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CN110700052A - Rear-mounted slipform paver - Google Patents

  • ️Fri Jan 17 2020

CN110700052A - Rear-mounted slipform paver - Google Patents

Rear-mounted slipform paver Download PDF

Info

Publication number
CN110700052A
CN110700052A CN201911052410.XA CN201911052410A CN110700052A CN 110700052 A CN110700052 A CN 110700052A CN 201911052410 A CN201911052410 A CN 201911052410A CN 110700052 A CN110700052 A CN 110700052A Authority
CN
China
Prior art keywords
main machine
chassis
oil cylinder
slipform paver
swing arm
Prior art date
2019-10-31
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201911052410.XA
Other languages
Chinese (zh)
Inventor
陈建军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
2019-10-31
Filing date
2019-10-31
Publication date
2020-01-17
2019-10-31 Application filed by Individual filed Critical Individual
2019-10-31 Priority to CN201911052410.XA priority Critical patent/CN110700052A/en
2020-01-17 Publication of CN110700052A publication Critical patent/CN110700052A/en
Status Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E01C19/4886—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ for forming in a continuous operation kerbs, gutters, berms, safety kerbs, median barriers or like structures in situ, e.g. by slip-forming, by extrusion
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00—Combined machines
    • A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E01C19/4806—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with solely rollers for consolidating or finishing
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E01C19/4886—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ for forming in a continuous operation kerbs, gutters, berms, safety kerbs, median barriers or like structures in situ, e.g. by slip-forming, by extrusion
    • E01C19/4893—Apparatus designed for railless operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Road Paving Machines (AREA)

Abstract

The invention belongs to equipment for paving a road surface, and particularly relates to a rear-mounted sliding formwork paver which comprises a main machine for driving, wherein accessories are arranged at the front end, the rear end and/or the lower part of the main machine. The main machine comprises a chassis, a conveying mechanism used for conveying materials from front to back is installed below the chassis in a hanging mode and serves as an accessory, and two sides of the conveying mechanism are respectively connected with the chassis of the main machine in a lifting mode through a plurality of vertically arranged oil cylinders II. The whole machine is in modular design, accessories with different functions can be arranged at the front and the back of the main machine, the manufacturing cost and the acquisition cost are greatly reduced, the purpose of one machine for multiple purposes is realized, and the turnover space of a construction site is saved. Meanwhile, the size of the whole machine can be suitable for paving roads in villages, the construction efficiency is improved, and the labor is saved.

Description

Rear-mounted slipform paver

Technical Field

The invention belongs to equipment for paving a road surface, and particularly relates to a rear-mounted slip form paver.

Background

The slip-form construction technology for cement concrete road surface originated from European Swiss at the end of twenty-first sixty years, it abandons the traditional fixed steel form for construction and replaces the form of the paver, it integrates the concrete distribution, metering, vibrating, slip-form extrusion, smoothing and leveling into a whole, it can automatically and high-quality pour and form the concrete material on the road bed in one step, thus a large number of people are liberated from the construction, and the concrete can be rapidly used in the countries of America, Germany, France, etc. due to the characteristics of fast construction speed, high efficiency, good road surface strength, flatness, good durability, etc. After more than thirty years of development, the cement concrete pavement is a mature technology for constructing important projects such as highways, airport runways, urban roads, heavy-duty traffic roads and the like in developed countries and developing countries in the world, and the cement concrete pavement is rapidly developed in all countries in the world due to the generation of the cement concrete pavement.

In recent years, in heavy-duty roads and high-grade roads in China, large concrete slide-die pavers are also used for construction, but semi-mechanical manual operation is also used in rural roads, because the rural roads are narrow and have thin road beds, and large equipment cannot be accommodated for construction.

Disclosure of Invention

In order to solve the problems, the invention provides the rear-mounted slip form paver for paving the concrete ground of the country road, which has strong universality, realizes multiple purposes of one machine and is suitable for small-space operation in the country and the like. The invention adopts the following specific scheme:

the rear-mounted slipform paver comprises a main machine for driving, wherein accessories are arranged at the front end, the rear end and/or the lower part of the main machine.

Above-mentioned rear-mounted slipform paver, the host computer includes the chassis, the below on chassis hangs and installs the conveying mechanism who is used for carrying the material from the front to the back as the accessory, the conveying mechanism both sides are connected with the chassis liftable of host computer through the several hydro-cylinder II of vertical setting respectively.

According to the rear-mounted slipform paver, the rear end of the main machine is rotatably connected with the swing arm frame, and the accessory is installed on the swing arm frame and can be any one of a slipform mold, a rotary cultivator or a compression roller for compaction.

According to the rear-mounted slip form paver, the rear end of the main machine is provided with the rear lifting oil cylinder, the extending end of the rear lifting oil cylinder is hinged to the swing arm frame so that the swing arm frame can rotate along the main machine, and the rear end of the swing arm frame is provided with the vertical oil cylinder III or the adjusting rod III so as to be connected with an accessory. Be equipped with the spare tyre on the swing arm frame, III tops of hydro-cylinder are equipped with laser receiver.

In the rear-mounted slipform paver, the accessory mounted at the front end of the main machine is any one of a push rolling mechanism, a dozer blade or a hopper.

According to the rear-mounted slip form paver, the front end of the main machine is provided with the front lifting oil cylinder, and the extending end of the front lifting oil cylinder is hinged to the accessory so that the accessory can rotate along the main machine.

The rear-mounted slipform paver comprises a main machine, a control console, a rain cover, an electric cabinet, a valve control box and two oil tanks for supplying oil to the engine, wherein the engine is arranged in front of the upper surface of a chassis, the rain cover is arranged behind the upper surface of the chassis, and the control console is arranged below the rain cover; the electric control box and the valve control box are respectively arranged on the left side and the right side of the engine; the two oil tanks are respectively arranged at two sides below the chassis.

The rain cover is supported by a rain cover support and an oil cylinder IV, and the rain cover support is telescopic. And a hydraulic oil tank for supplying oil to the hydraulic system is arranged below the rain cover support. And a guardrail is arranged around the main machine.

The host machine of the rear-mounted slipform paver also comprises a foldable handrail, a foldable pedal, a manual control panel, an air filter, two water tanks, two radiators and a silencer; the handrail, the pedal and the control panel are all arranged on the right side of the chassis, and

the air filter is arranged on the left side of the engine, the silencer is arranged on the left side of the chassis, the two water tanks (18) are respectively arranged on the left side and the right side of the chassis, and the two radiators are respectively arranged in a one-to-one corresponding matching manner with the water tanks.

According to the rear-mounted slipform paver, the rotary cultivator is provided with the adjusting rod II, the rear part of the rotary cultivator is provided with the rear cover, and the rear cover is connected with the rotary cultivator through the adjusting oil cylinder; the rotary cultivator is hinged to the oil cylinder III, and the other end of the adjusting rod II is hinged to the oil cylinder III.

According to the rear-mounted slip form paver, the vibrating motors are arranged on the two sides of the compression roller, and the support of the compression roller is connected with the swing arm frame in a sliding mode through the vertically arranged sliding columns.

According to the rear-mounted slipform paver, the rear end of the swing arm frame is Y-shaped, the upper support of the swing arm frame is hinged with the upper end of the adjusting rod III, and the lower support of the swing arm frame is hinged with the slipform mold.

The invention has the beneficial effects that: the whole machine is in modular design, accessories with different functions can be arranged at the front and the back of the main machine, the manufacturing cost and the acquisition cost are greatly reduced, the purpose of one machine for multiple purposes is realized, and the turnover space of a construction site is saved. Meanwhile, the size of the whole machine can be suitable for paving roads in villages, the construction efficiency is improved, and the labor is saved.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

FIG. 2 is a perspective view of a first embodiment of the present invention;

FIG. 3 is a schematic side view of a first embodiment of the present invention;

FIG. 4 is a schematic top view of the first embodiment of the present invention;

FIG. 5 is a schematic view of a chassis according to a first embodiment of the present invention;

FIG. 6 is a schematic view of a roller mechanism according to a first embodiment of the present invention;

FIG. 7 is a schematic view of a swing arm frame according to a first embodiment of the present invention;

fig. 8 is a schematic view of a sliding-form mold according to a first embodiment of the present invention.

Fig. 9 is a schematic view of a swing arm frame according to a second embodiment of the present invention.

Fig. 10 is a schematic side view of the third embodiment of the present invention.

Fig. 11 is a perspective view illustrating a fourth embodiment of the present invention.

In the figure: 1 a push-rolling mechanism, 11 a push-rolling frame, 12 a push-rolling head,

2 is a swing arm frame,

3 is a slip form die, 31 is a packing auger, 32 is a vibrating rod, 33 is a baffle, 34 is an oil cylinder I, 35 is a manual valve, 36 is a slide rod, 37 is a supporting wheel, 38 is a take-up reel, 39 is a winch,

4 is a conveying mechanism, 41 is a hopper, 42 is an oil cylinder II,

5 is chassis, 51 is outer side plate, 52 is inner side plate, 53 is front axle, 54 is rear axle, 55 is chute,

6 is a floating mechanism, 61 is a floating plate,

7 is an oil cylinder III,

8 is an adjusting mechanism, 81 is an adjusting rod I, 82 is a groove frame, 83 is a rotary table,

9 is a rain cover, 91 is an oil cylinder IV, 92 is a rain cover bracket,

10 is an engine, 13 is a handrail, 14 is a pedal, 15 is an air filter, 16 is a control console, 17 is a radiator, 18 is a water tank, 19 is a silencer, 20 is a guardrail, 21 is a spare tire, 22 is a laser receiver, 23 is a front lifting oil cylinder, 24 is a rear lifting oil cylinder, 25 is an electric cabinet, 26 is a valve control box, 27 is an oil tank, 28 is a control panel, and 29 is an adjusting rod III;

101 dozer blade, 201 rotary cultivator, 202 adjusting rod II, 203 adjusting oil cylinder, 204 rear cover, 301 press roller, 302 vibration motor and 303 sliding column.

Detailed Description

The invention is further explained below with reference to the drawings. The push-roll mechanism 1, the sliding mold 3, the chassis 5, the leveling mechanism 6, the

adjusting mechanism

8 and their components related to the following embodiments are all described in detail in other prior patent application documents of the applicant, and detailed descriptions thereof are omitted and reference numerals of related components are available for reading and reference.

Example one

The rear-mounted slipform paver comprises a main machine for driving, wherein accessories are arranged at the front end, the rear end and/or the lower part of the main machine.

Above-mentioned rear-mounted slipform paver, the host computer includes chassis 5, the below of chassis 5 is hung and is installed conveying mechanism 4 that is used for carrying the material from the front to back as the accessory, conveying mechanism 4 both sides are connected with chassis 5 liftable of host computer through the several hydro-cylinder II 42 of vertical setting respectively.

In the rear-mounted slipform paver, the rear end of the main machine is rotatably connected with the

swing arm frame

2, and the

swing arm frame

2 is provided with an accessory, wherein the accessory includes but is not limited to any one of the slipform mold 3, the rotary cultivator 201 or the

compression roller

301 for compaction.

According to the rear-mounted slip form paver, the rear end of the main machine is provided with the rear lifting oil cylinder 24, the extending end of the rear lifting oil cylinder 24 is hinged to the

swing arm frame

2 so that the

swing arm frame

2 can rotate along the main machine, and the rear end of the

swing arm frame

2 is provided with the vertical oil cylinder III 7 or the adjusting rod III 27 so as to be connected with accessories. And a spare tire 21 is arranged on the

swing arm frame

2, and a

laser receiver

22 is arranged above the oil cylinder III 7.

In the rear-mounted slipform paver, the accessory installed at the front end of the main machine includes but is not limited to any one of the push roller mechanism 1, the

dozer blade

101 or the hopper.

According to the rear-mounted slipform paver, the front end of the main machine is provided with the front

lifting oil cylinder

23, and the extending end of the front

lifting oil cylinder

23 is hinged to the accessory so that the accessory can rotate along the main machine.

The rear-mounted slipform paver comprises an

engine

10, a

control console

16, a

rain cover

9, an electric control box 25, a valve control box 26 and two

oil tanks

27 for supplying oil to the

engine

10, wherein the

engine

10 is arranged in front of the upper surface of the chassis 5, the

rain cover

9 is arranged behind the upper surface of the chassis 5, and the

control console

16 is arranged below the

rain cover

9; the electric control box 25 and the valve control box 26 are respectively arranged at the left side and the right side of the

engine

10; the two

oil tanks

27 are respectively arranged at two sides below the chassis 5.

The

rain cover

9 is supported by a

rain cover support

92 and an oil cylinder IV 91, and the

rain cover support

92 can stretch. A hydraulic oil tank for supplying oil to the hydraulic system is arranged below the

rain cover support

92. A

guard rail

20 is provided around the main body.

The rear slipform paver comprises a main machine, a

foldable handrail

13, a

foldable pedal

14, a manual control panel 28, an

air filter

15, two water tanks 18, two radiators 17 and a silencer 19, wherein the main machine is connected with the

foldable handrail

13 through a connecting rod; the

handrail

13, the

pedal

14 and the control panel 28 are arranged on the right side of the chassis 5, and the handrail, the

pedal

14 and the control panel 28 are arranged on the right side of the chassis

The

air filter

15 is arranged on the left side of the

engine

10, the silencer 19 is arranged on the left side of the chassis 5, the two water tanks 18 are respectively arranged on the left side and the right side of the chassis 5, and the two radiators 17 are respectively arranged in a one-to-one corresponding matching manner with the water tanks 18.

Example two

In this embodiment, the rear end of the

swing arm frame

2 is in a Y shape, the upper bracket of the

swing arm frame

2 is hinged to the upper end of the adjusting

rod iii

29, and the lower bracket of the

swing arm frame

2 is hinged to the slip form mold 3.

The

laser receiver

22 is also removed from the

swing arm frame

2, so that a great deal of cost is saved under the condition of ensuring the flatness.

EXAMPLE III

In the implementation, the front and the back of the main machine are respectively provided with a

blade

101 and a rotary cultivator 201, the

rotary cultivator

301 is provided with an adjusting rod II 202, the back of the rotary cultivator is provided with a back cover 204, and the back cover 204 is connected with the

rotary cultivator

301 through an adjusting oil cylinder 203; the

rotary cultivator

301 is hinged to the oil cylinder III 7, and the other end of the adjusting rod II 202 is hinged to the oil cylinder III 7.

Example four

In this embodiment, the front and the back of the main machine are respectively provided with the

dozer blade

101 and the

compression roller

301, two sides of the

compression roller

301 are provided with the

vibration motors

302, and a support of the

compression roller

301 is slidably connected with the

swing arm frame

2 through the vertically arranged sliding

columns

303.

Claims (10)

1. The utility model provides a rear-mounted slipform paver, includes the host computer that the drive used, its characterized in that: accessories are arranged at the front end, the rear end and/or the lower part of the main machine.

2. The postposition type slipform paver of claim 1, characterized in that: the main machine comprises a chassis (5), a conveying mechanism (4) used for conveying materials from front to back is installed below the chassis (5) in a hanging mode to serve as an accessory, and two sides of the conveying mechanism (4) are connected with the chassis (5) of the main machine in a lifting mode through a plurality of oil cylinders II (42) which are vertically arranged.

3. The postposition type slipform paver of claim 2, characterized in that: the rear end of the main machine is rotatably connected with a swing arm frame (2), an accessory is mounted on the swing arm frame (2), and the accessory comprises but is not limited to any one of a slip form mold (3), a rotary cultivator (201) or a pressing roller (301) for compaction.

4. The postposition type slipform paver of claim 3, characterized in that: the rear end of the main machine is provided with a rear lifting oil cylinder (24), the extending end of the rear lifting oil cylinder (24) is hinged to the swing arm frame (2) so that the swing arm frame (2) can rotate along the main machine, and the rear end of the swing arm frame (2) is provided with a vertical oil cylinder III (7) or an adjusting rod III (27) to be connected with accessories.

5. The postposition type slipform paver of claim 3, characterized in that: the accessory installed at the front end of the main machine comprises but is not limited to any one of a push rolling mechanism (1), a dozer blade (101) or a hopper.

6. The postposition type slipform paver of claim 5, characterized in that: the front end of the main machine is provided with a front lifting oil cylinder (23), and the extending end of the front lifting oil cylinder (23) is hinged to an accessory of the main machine so that the accessory can rotate along the main machine.

7. The postposition type slipform paver of claim 2, characterized in that: the main engine further comprises an engine (10), a console (16), a rain cover (9), an electric cabinet (25), a valve control box (26) and two oil tanks (27) for supplying oil to the engine (10), wherein the engine (10) is arranged in front of the upper surface of the chassis (5), the rain cover (9) is arranged behind the upper surface of the chassis (5), and the console (16) is arranged below the rain cover (9); the electric control box (25) and the valve control box (26) are respectively arranged on the left side and the right side of the engine (10); the two oil tanks (27) are respectively arranged on two sides below the chassis (5);

the rain cover (9) is supported by a rain cover support (92) and an oil cylinder IV (91), and the rain cover support (92) can stretch;

a hydraulic oil tank for supplying oil to a hydraulic system is arranged below the rain cover bracket (92);

a guardrail (20) is arranged around the main machine.

8. The postposition type slipform paver of claim 7, characterized in that: the main machine also comprises a foldable handrail (13), a foldable pedal (14), a manual control panel (28), an air filter (15), two water tanks (18), two radiators (17) and a silencer (19); the handrail (13), the pedal (14) and the control panel (28) are all arranged on the right side of the chassis (5), and the handrail, the pedal (14) and the control panel (28) are all arranged on the right side of the chassis (5)

The air filter (15) is arranged on the left side of the engine (10), the silencer (19) is arranged on the left side of the chassis (5), the two water tanks (18) are respectively arranged on the left side and the right side of the chassis (5), and the two radiators (17) are respectively arranged in a one-to-one corresponding matching mode with the water tanks (18).

9. The postposition type slipform paver of claim 3, characterized in that: an adjusting rod II (202) is arranged on the rotary cultivator (301), a rear cover (204) is arranged behind the rotary cultivator (301), and the rear cover (204) is connected with the rotary cultivator (301) through an adjusting oil cylinder (203); the rotary cultivator (301) is hinged to the oil cylinder III (7), and the other end of the adjusting rod II (202) is hinged to the oil cylinder III (7).

10. The postposition type slipform paver of claim 3, characterized in that: the two sides of the compression roller (301) are provided with a vibration motor (302), and the support of the compression roller (301) is connected with the swing arm frame (2) in a sliding mode through a vertically arranged sliding column (303).

CN201911052410.XA 2019-10-31 2019-10-31 Rear-mounted slipform paver Withdrawn CN110700052A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911052410.XA CN110700052A (en) 2019-10-31 2019-10-31 Rear-mounted slipform paver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911052410.XA CN110700052A (en) 2019-10-31 2019-10-31 Rear-mounted slipform paver

Publications (1)

Publication Number Publication Date
CN110700052A true CN110700052A (en) 2020-01-17

Family

ID=69203074

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911052410.XA Withdrawn CN110700052A (en) 2019-10-31 2019-10-31 Rear-mounted slipform paver

Country Status (1)

Country Link
CN (1) CN110700052A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113585017A (en) * 2021-08-25 2021-11-02 中冶南方城市建设工程技术有限公司 Road cement concrete distributing, vibrating and paving integrated equipment and using method thereof
CN114032738A (en) * 2021-11-23 2022-02-11 保利长大工程有限公司 Double-machine double-layer continuous slip form paving concrete conveying automatic metering control device
CN114045722A (en) * 2021-11-19 2022-02-15 中汽旺磐(珠海)机床有限公司 Engineering material vehicle and slip form paver
WO2025030191A1 (en) * 2023-08-09 2025-02-13 Woehrer Stefan Apparatus for producing a concrete road surface

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113585017A (en) * 2021-08-25 2021-11-02 中冶南方城市建设工程技术有限公司 Road cement concrete distributing, vibrating and paving integrated equipment and using method thereof
CN114045722A (en) * 2021-11-19 2022-02-15 中汽旺磐(珠海)机床有限公司 Engineering material vehicle and slip form paver
CN114032738A (en) * 2021-11-23 2022-02-11 保利长大工程有限公司 Double-machine double-layer continuous slip form paving concrete conveying automatic metering control device
WO2025030191A1 (en) * 2023-08-09 2025-02-13 Woehrer Stefan Apparatus for producing a concrete road surface

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Legal Events

Date Code Title Description
2020-01-17 PB01 Publication
2020-01-17 PB01 Publication
2020-02-18 SE01 Entry into force of request for substantive examination
2020-02-18 SE01 Entry into force of request for substantive examination
2022-11-25 WW01 Invention patent application withdrawn after publication
2022-11-25 WW01 Invention patent application withdrawn after publication

Application publication date: 20200117