CN219671000U - Asphalt paving spraying device - Google Patents

Asphalt paving spraying device Download PDF

Info

Publication number
CN219671000U
CN219671000U CN202320374587.7U CN202320374587U CN219671000U CN 219671000 U CN219671000 U CN 219671000U CN 202320374587 U CN202320374587 U CN 202320374587U CN 219671000 U CN219671000 U CN 219671000U
Authority
CN
China
Prior art keywords
sliding plate
sliding
block
storage box
asphalt paving
Prior art date
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.)
Active
Application number
CN202320374587.7U
Other languages
Chinese (zh)
Inventor
赵丰
张国君
潘勇树
石燕平
陈康
张立波
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.)
Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Original Assignee
Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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.)
Filing date
Publication date
Application filed by Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd filed Critical Rail Transit Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority to CN202320374587.7U priority Critical patent/CN219671000U/en
Application granted granted Critical
Publication of CN219671000U publication Critical patent/CN219671000U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Road Paving Machines (AREA)

Abstract

The utility model provides an asphalt paving and spraying device, which comprises: a mounting bracket for mounting to a vehicle; a sliding plate mounted to the mounting frame with a height adjustable; a plurality of sliding blocks arranged on the sliding plate in a sliding way; the storage box is detachably connected to the sliding block, a containing space is formed in the storage box in a hollow mode, and an inlet and an outlet which are communicated with the containing space are respectively formed in the top and the bottom of the storage box; and the limiting piece is arranged on the sliding block and can move and adjust in the direction close to or far away from the sliding plate, the sliding block is slid along the sliding plate, so that the horizontal position of the storage box is changed, and the limiting piece is moved in the direction close to the sliding plate, so that the limiting piece is clamped on the sliding plate, and the sliding block and the sliding plate are fixed. According to the utility model, the height of the storage box is adjusted by rotating the driving rod, and the horizontal position of the storage box is adjusted by sliding along the sliding plate, so that asphalt can be accurately sprayed at the position to be sprayed.

Description

Asphalt paving spraying device
Technical Field
The utility model relates to the technical field of asphalt paving, in particular to an asphalt paving spraying device.
Background
Asphalt pavement refers to various types of pavement paved by incorporating road asphalt materials into mineral materials. The asphalt binder improves the capability of paving granules for resisting the damage of driving and natural factors to the pavement, so that the pavement is flat, less in dust, waterproof and durable; therefore, asphalt pavement is one of the most widely used advanced pavements in road construction; the asphalt paver is widely applied to construction and maintenance of asphalt pavements of roads, airports, ports, parking lots and urban roads, the existing asphalt paver is fixed in structure, construction can only be carried out on fixed road sections, difficulty is increased under different road conditions, efficiency is reduced, the asphalt paver is long in use, and the quality of paved road surfaces is not easy to guarantee.
Disclosure of Invention
In view of the above, the utility model provides the asphalt paving spraying device, which solves the technical problems of small application range and high construction difficulty of an asphalt paving tool in the traditional construction, and the asphalt paving spraying device can be connected to different construction machines according to different construction working conditions by arranging the mounting frame, so that the applicability of the device is improved, and asphalt can be accurately sprayed at a position to be sprayed by adjusting the height and the horizontal position of the storage box.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an asphalt paving sprinkler comprising:
a mounting bracket for mounting to a vehicle;
a sliding plate mounted to the mounting frame with a height adjustable;
a plurality of sliding blocks arranged on the sliding plate in a sliding way;
the storage box is detachably connected to the sliding block, a containing space is formed in the storage box in a hollow mode, and an inlet and an outlet which are communicated with the containing space are respectively formed in the top and the bottom of the storage box; and
the limiting piece is arranged on the sliding block and can move and adjust in the direction close to or far away from the sliding plate, the sliding block slides along the sliding plate, so that the horizontal position of the storage box is changed, and the limiting piece is moved in the direction close to the sliding plate, so that the limiting piece is clamped on the sliding plate, and the sliding block and the sliding plate are fixed.
The asphalt paving spraying device is further improved in that the asphalt paving spraying device also comprises fixed blocks fixed at two ends of the sliding plate, two connecting boxes fixed on the mounting frame corresponding to the fixed blocks, a slideway which is arranged at the side part of the connecting box along the vertical direction and is used for sliding the fixed blocks, a driving rod horizontally penetrating the two connecting boxes, a gear fixed on the driving rod and positioned in the connecting box, and teeth formed on the fixed blocks and meshed with the gear;
the driving rod rotates to drive the gear to rotate, so that the fixed block is driven to move upwards or downwards along the slideway to change the height of the sliding plate.
The asphalt paving spraying device is further improved in that the asphalt paving spraying device also comprises clamping teeth which are arranged on the fixed block and are positioned on two sides of the teeth, a first supporting block which corresponds to the clamping teeth and is fixed on the inner wall of the connecting box, a limit rod which is horizontally penetrated through the first supporting block and is made of magnetic materials, an electromagnetic block which is arranged on the side part of the limit rod far away from the clamping teeth and is fixed on the inner wall of the connecting box, and a spring which is fixed between the limit rod and the electromagnetic block;
the electromagnetic block is electrified to enable the electromagnetic block to attract the limiting rod to move in the direction away from the clamping tooth, so that the limiting rod compresses the spring and is separated from the clamping tooth, and the gear can drive the fixed block to move.
The asphalt paving spraying device is further improved in that the asphalt paving spraying device also comprises a plurality of second supporting blocks fixed on the side surface of the sliding block, which is far away from the sliding plate, a first coaming fixed on the plurality of second supporting blocks and a second coaming arranged opposite to the first coaming;
the first coaming and the second coaming are respectively attached to two sides of the storage box, and are fixedly connected to the first coaming and the second coaming through bolts, so that the storage box is clamped by the first coaming and the second coaming.
The asphalt paving spraying device is further improved in that the asphalt paving spraying device further comprises a sliding groove which is formed in the sliding plate and a tooth groove which is arranged in the sliding groove and corresponds to the limiting piece, and the limiting piece is inserted into the tooth groove to fixedly connect the sliding plate and the sliding block.
The asphalt paving spraying device is further improved in that the limiting piece comprises a guide rail, a limiting plate and a limiting section, wherein the guide rail is arranged on the sliding block and extends along the width direction of the sliding block, the limiting plate is arranged on the guide rail in a sliding mode, and the limiting section is formed at the top of the limiting plate and is used for being inserted into the tooth slot;
the limiting plate is adjusted along the tooth slot, so that the limiting section is inserted into the tooth slot to fix the position of the sliding block.
The asphalt paving spraying device is further improved in that two guide rails are arranged at intervals along the height direction of the sliding block;
the limiting piece further comprises a threaded rod vertically screwed on the two guide rails and a cam sleeved on the threaded rod and positioned between the two guide rails, wherein the cam is elliptical and the side part of the cam is attached to the limiting plate;
the threaded rod is screwed to drive the cam to rotate, so that the limiting plate is pushed to the direction close to the sliding plate, and the limiting section is inserted into the tooth slot.
The asphalt paving spraying device is further improved in that the tooth slot comprises a plurality of protrusions which are outwards protruded at intervals, an arc is formed at the top of each protrusion, the end part of the limiting section, which is close to the tooth slot, is arc-shaped and is clamped between two adjacent protrusions, and the end part of the limiting section is attached to the arc surface.
The asphalt paving spraying device is further improved in that two rollers are arranged at the top of the sliding block, the limiting piece is arranged between the two rollers, and arc-shaped grooves matched with the rollers are formed on the side portions, corresponding to the rollers, of the limiting piece.
According to the asphalt paving spraying device, the installation frame is arranged, so that the asphalt paving spraying device can be connected to different vehicles according to different construction conditions, the applicability of the device is improved, the installation frame is provided with the connecting box, the driving rod penetrates through the connecting box, teeth of the fixing block are meshed with the gear, the driving rod is rotated to drive the fixing block to move upwards, the height of the sliding plate is changed, the height of the storage box is changed, the sliding plate is provided with the sliding groove and the sliding groove, the limiting piece is arranged between the storage box and the sliding plate, and after the sliding piece drives the storage box to move to a designated position, the limiting piece is controlled to fix the storage box, so that the storage box is prevented from shifting during spraying, and the asphalt spraying uniformity is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of an asphalt paving sprinkler of the present utility model.
FIG. 2 is a cross-sectional view of a gear in the asphalt paving sprinkler of the present utility model.
Fig. 3 is a schematic view of teeth in the asphalt paving sprinkler of the present utility model.
FIG. 4 is a schematic cross-sectional view of a drive motor in the asphalt paving sprinkler of the present utility model.
Fig. 5 is a schematic view of a magazine in an asphalt paving sprinkler of the present utility model.
FIG. 6 is a schematic view of a slider in the asphalt paving sprinkler of the present utility model.
FIG. 7 is a top view of a stop block in the asphalt paving sprinkler of the present utility model.
The correspondence of the reference numerals with the components is as follows: the device comprises a mounting frame 1, a connecting box 11, an electromagnetic block 111, a spring 112, a limit rod 113, a connecting block 12, a driving rod 13, a gear 131, a driving motor 14, a turbine 141, a sliding plate 2, a fixed block 21, teeth 211, a latch 212, a guide groove 22, a sliding groove 23, a tooth groove 231, a sliding block 24, a roller 241, a supporting block 242, a limit plate 25, a limit section 251, a guide rail 26, a cam 27, a first enclosing plate 31, a second enclosing plate 32, a storage box 4, an inlet 41 and an outlet 42.
Detailed Description
In order to facilitate the understanding of the present utility model, the following description is provided with reference to the drawings and examples.
Referring to fig. 1 to 3, the present utility model provides an asphalt paving sprinkler, comprising:
a mounting bracket 1 for mounting to a vehicle;
a sliding plate 2 mounted to the mounting frame 1 to be height-adjustable;
a plurality of sliding blocks 24 slidably arranged on the sliding plate 2;
the storage box 4 is detachably connected to the sliding block 24, a containing space is formed in the storage box 4 in a hollow mode, an inlet and an outlet which are communicated with the containing space are respectively formed in the top and the bottom of the storage box, and asphalt is added into the containing space through the inlet and flows out of the containing space through the outlet; and
the height of the storage box 4 is changed by adjusting the height of the sliding plate 2, the horizontal position of the storage box 4 is changed by sliding the sliding block 24 along the sliding plate 2, and then the limiting piece is moved towards the direction close to the sliding plate 2, so that the limiting piece is clamped on the sliding plate 2, and the sliding block 24 and the sliding plate 2 are fixed.
As shown in fig. 1 and 2, the asphalt paving spraying device of the present utility model further comprises a fixed block 21 fixed at two ends of the sliding plate 2, two connecting boxes 11 fixed to the mounting frame 1 corresponding to the fixed block 21, a slideway vertically arranged at the side of the connecting boxes 11 and provided with the fixed block 21 in a sliding manner, a driving rod 13 horizontally penetrating the two connecting boxes 11, a gear 131 fixed to the driving rod 13 and positioned in the connecting boxes 11, and teeth 211 formed on the fixed block 21 and meshed with the gear 131;
the driving rod 13 rotates to drive the gear 131 to rotate, so that the fixed block 21 is driven to move up or down along the slideway to change the height of the sliding plate.
Further, as shown in fig. 2 and 3, the device further comprises a latch 212 disposed on the fixed block 21 and located at two sides of the latch 211, a first support block fixed on the inner wall of the connection box 11 corresponding to the latch 212, a stop lever 113 horizontally penetrating the first support block and made of magnetic material, an electromagnetic block 111 disposed on a side portion of the stop lever 113 away from the latch 212 and fixed on the inner wall of the connection box 11, and a spring 112 fixed between the stop lever 113 and the electromagnetic block 111;
by electrifying the electromagnetic block 111, the electromagnetic block 111 is full of magnetic force and moves in a direction away from the latch 212 to attract the limiting rod 113, so that the limiting rod 113 is separated from the latch 212 and compresses the spring 112, the gear 121 can drive the fixed block 21 to move, after the fixed block 21 moves to a designated height along the slideway, the electromagnetic block 111 is powered off, and the spring 112 rebounds to push the limiting rod 113 to be inserted into the latch 212, so that the fixed block 21 and the slideway are fixedly connected.
Further, as shown in fig. 1 and 4, the device further comprises a screw thread section fixed on the body part of the driving rod 13, a driving motor 14 fixed on the mounting frame 1, a rotating shaft arranged on the driving motor 14, and a turbine 141 fixed on the rotating shaft and engaged with the screw thread section;
the rotation shaft is controlled to rotate by the driving motor 14 to drive the turbine 141 to rotate, thereby driving the driving rod 13 to rotate.
Preferably, the mounting frame 1 comprises a cross rod fixedly connected to a vehicle and three side rods fixed on one side of the cross rod at intervals, two connecting boxes 11 are fixed on two side rods positioned on the outer side, the end part of one side rod in the middle is fixedly connected with a connecting block 12, an installation space is formed inside the connecting block 12, a driving rod 12 penetrates through the installation space, and a turbine 141 is installed in the installation space.
Specifically, as shown in fig. 1 and 5, the sliding plate further comprises a plurality of second supporting blocks 242 fixed on the side surface of the sliding block 24 away from the sliding plate 2, a first coaming 31 fixed on the plurality of second supporting blocks, and a second coaming 32 arranged opposite to the first coaming 31;
laminating respectively in the both sides of magazine 4 through first bounding wall 31 and second bounding wall 32, and then use bolt fixed connection in first bounding wall 31 and second bounding wall 32 to make first bounding wall 31 and second bounding wall 32 press from both sides and hold magazine 4.
Preferably, both sides of the coaming are bent outwards to form edges, and the bolts penetrate through the opposite edges.
Further, as shown in fig. 5 and 6, the sliding plate further comprises a sliding groove 23 provided on the sliding plate 2 and a tooth slot 231 provided on the sliding groove 23 and corresponding to the limiting member, and the limiting member is inserted into the tooth slot 231 to fixedly connect the sliding plate 2 and the sliding block 24.
Further, as shown in fig. 5 and 6, the limiting member includes a guide rail 26 disposed on the slider 24 and extending along the width direction of the slider, a limiting plate 25 slidably disposed on the guide rail 26, and a limiting section 251 formed on the top of the limiting plate 25 and configured to be inserted into the slot 231;
the position of the slider 24 is fixed by adjusting the limit plate along the tooth slot 231 such that the limit segment 251 is inserted into the tooth slot 231.
Specifically, a horizontal guide groove 22 is formed in the middle of the side portion of the sliding plate 2, the chute 23 is disposed at the top of the guide groove 22, and a groove for sliding the roller 241 at the bottom of the slider 24 is formed at the bottom of the guide groove 22.
Specifically, the guide rails 26 are provided with two guide rails at intervals along the height direction of the slider 24;
the limiting piece further comprises a threaded rod vertically screwed on the two guide rails 26 and a cam 27 sleeved on the threaded rod and positioned between the two guide rails 26, and the cam 27 is elliptical and the side part of the cam is attached to the limiting plate;
by screwing the threaded rod, the cam 27 is driven to rotate, so that the limiting plate 25 is pushed towards the direction approaching to the tooth slot 231, and the limiting section 251 is inserted into the tooth slot 231.
Specifically, two circular rollers 241 are disposed at the top of the slider 24, the limiting section 251 is disposed between the two rollers 241, and an arc-shaped slot matched with the rollers is formed on the side of the limiting member corresponding to the rollers 241.
Specifically, the tooth slot 231 includes a plurality of protrusions that are provided with outwards protruding at intervals, and bellied top is formed with the circular arc, and the tip that the spacing section is close to the tooth slot is convex and blocks to locate between two adjacent protrusions, and the tip laminating of spacing section in the arc surface.
Specifically, a reset spring is fixedly connected between the guide rail 26 and the limiting plate 25, the limiting plate 25 is pushed by the roller 241, and the reset spring is restored, so that the limiting section 251 is separated from the tooth slot 231, locking of the limiting section 251 and the tooth slot 231 is avoided, and the roller can slide along the sliding slot 23 smoothly.
According to the asphalt paving spraying device, the installation frame is arranged, so that the asphalt paving spraying device can be connected to different vehicles according to different construction conditions, the applicability of the device is improved, the installation frame is provided with the connecting box, the driving rod penetrates through the connecting box, teeth of the fixing block are meshed with the gear, the driving rod is rotated to drive the fixing block to move upwards, the height of the sliding plate is changed, the height of the storage box is changed, the sliding plate is provided with the sliding groove and the sliding groove, the limiting piece is arranged between the storage box and the sliding plate, and after the sliding piece drives the storage box to move to a designated position, the limiting piece is controlled to fix the storage box, so that the storage box is prevented from shifting during spraying, and the asphalt spraying uniformity is improved.
In the concrete implementation case of the asphalt paving spraying device, a cross rod of the mounting frame 1 is fixedly connected to a vehicle, bolts are screwed to enable the first coaming 31 and the second coaming 32 to be hooped with the storage box 4, then the driving motor 14 is started to drive the driving rod 13 to rotate, so that the gear 131 drives the fixed block 21 to move downwards to adjust the distance between the storage box 4 and the ground, then the storage boxes 4 are slid along the sliding groove 22, so that the outlet of the storage box 4 corresponds to the ground on which asphalt is to be sprayed, the threaded rod of the limiting piece is screwed to drive the cam 27 to rotate, so that the limiting plate 25 is pushed towards the direction close to the sliding groove 22, and the limiting section 251 is inserted into the tooth groove 231, so that the storage boxes 4 are fixed;
asphalt is added into the accommodating space from the inlet of the storage box 4, the vehicle is driven to move along the construction site, and the outlet of the storage box is opened, so that the asphalt is sprayed on the ground to be paved.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present utility model.

Claims (9)

1. An asphalt paving sprinkler, comprising:
a mounting bracket for mounting to a vehicle;
a sliding plate mounted to the mounting frame with a height adjustable;
a plurality of sliding blocks arranged on the sliding plate in a sliding way;
the storage box is detachably connected to the sliding block, a containing space is formed in the storage box in a hollow mode, and an inlet and an outlet which are communicated with the containing space are respectively formed in the top and the bottom of the storage box; and
install in the slider and can be to be close to or keep away from the locating part of regulation is removed to the direction of sliding plate, through following the sliding plate slides the slider, thereby change the horizontal position of magazine, and then to be close to the direction of sliding plate removes the locating part, so that the locating part card is located the sliding plate, thereby fix the slider with the sliding plate.
2. The asphalt paving spraying apparatus according to claim 1, further comprising fixing blocks fixed to both ends of said slide plate, two connection boxes fixed to said mounting frame in correspondence with said fixing blocks, a slide rail provided on a side portion of said connection boxes in a vertical direction and provided for sliding said fixing blocks, a driving rod provided horizontally penetrating said two connection boxes, a gear fixed to said driving rod and located in said connection boxes, and teeth formed on said fixing blocks and engaged with said gear;
the driving rod rotates to drive the gear to rotate, so that the fixed block is driven to move upwards or downwards along the slideway to change the height of the sliding plate.
3. The asphalt paving spraying apparatus according to claim 2, further comprising a latch provided to the fixing block and located at both sides of the tooth, a first support block fixed to an inner wall of the connection box corresponding to the latch, a limit bar horizontally penetrating the first support block and made of a magnetic material, an electromagnetic block provided to a side portion of the limit bar away from the latch and fixed to an inner wall of the connection box, and a spring fixed between the limit bar and the electromagnetic block;
through being electrified to the electromagnetic block, the electromagnetic block attracts the limiting rod to move in the direction away from the latch, so that the limiting rod compresses the spring and is separated from the latch, and the gear can drive the fixed block to move.
4. The asphalt paving sprinkler of claim 1, further comprising a plurality of second support blocks secured to sides of the slide blocks remote from the slide plate, a first shroud secured to the plurality of second support blocks, and a second shroud disposed opposite the first shroud;
through first bounding wall with the second bounding wall laminate respectively in the both sides of storage box, and then use bolt fixed connection in first bounding wall with the second bounding wall, so that first bounding wall with the second bounding wall presss from both sides to hold the storage box.
5. The asphalt paving sprinkler according to claim 1, further comprising a chute provided in the sliding plate and a tooth slot provided in the chute and corresponding to the stopper, the tooth slot being inserted through the stopper to fixedly connect the sliding plate and the slider.
6. The asphalt paving sprinkler according to claim 5, wherein the stopper includes a guide rail provided to the slider and extending in a width direction of the slider, a stopper plate slidably provided to the guide rail, and a stopper section formed at a top of the stopper plate and provided to be inserted into the tooth slot;
the limiting plate is adjusted along the tooth grooves, so that the limiting section is inserted into the tooth grooves to fix the position of the sliding block.
7. The asphalt paving sprinkler of claim 6, wherein the guide rail is provided with two spaced apart rails along the height of the slide block;
the limiting piece further comprises a threaded rod vertically screwed on the two guide rails and a cam sleeved on the threaded rod and positioned between the two guide rails, and the cam is elliptical and the side part of the cam is attached to the limiting plate;
the threaded rod is screwed to drive the cam to rotate, so that the limiting plate is pushed to the direction close to the sliding plate, and the limiting section is inserted into the tooth slot.
8. The asphalt paving spraying apparatus according to claim 7, wherein said tooth slot comprises a plurality of protrusions protruding outwards at intervals, an arc is formed at the top of said protrusions, the end of said spacing section adjacent to said tooth slot is arc-shaped and is clamped between two adjacent protrusions, and the end of said spacing section is attached to the arc surface.
9. The asphalt paving sprinkler of claim 1, wherein the top of the slider is provided with two rollers, the limiter is disposed between the two rollers, and an arc-shaped groove matched with the rollers is formed on a side portion of the limiter corresponding to the rollers.
CN202320374587.7U 2023-03-02 2023-03-02 Asphalt paving spraying device Active CN219671000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320374587.7U CN219671000U (en) 2023-03-02 2023-03-02 Asphalt paving spraying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320374587.7U CN219671000U (en) 2023-03-02 2023-03-02 Asphalt paving spraying device

Publications (1)

Publication Number Publication Date
CN219671000U true CN219671000U (en) 2023-09-12

Family

ID=87923212

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320374587.7U Active CN219671000U (en) 2023-03-02 2023-03-02 Asphalt paving spraying device

Country Status (1)

Country Link
CN (1) CN219671000U (en)

Similar Documents

Publication Publication Date Title
CN208363543U (en) A kind of concrete apparatus for leveling
CN219671000U (en) Asphalt paving spraying device
CN112252142A (en) Self-propelled asphalt in-situ heating regeneration device
CN116103980A (en) Asphalt paving spraying device and application method thereof
CN204080684U (en) A kind of car lug
CN205295885U (en) Rubble dispenser
CN113089424B (en) Asphalt pavement leveling device for highway engineering
CN112030703B (en) Changeable road marking device of lines width for municipal construction
CN215329110U (en) Highway subgrade settlement-preventing device
CN215717801U (en) Height-adjustable's insulated gate
CN211498411U (en) Municipal administration pitch crack filling machine
CN213538623U (en) Paver suitable for pavement subbase construction
CN217352016U (en) Roadbed is laid with paving device
CN216474666U (en) Suspension can automatically controlled novel terrorism roadblock machine of preventing
CN116497651A (en) Waterproof engineering construction equipment and construction method for high-speed rail
CN113373784B (en) Road marking device for urban road traffic
CN116219835A (en) Asphalt concrete road construction compactor
CN219280441U (en) Planning line drawing equipment for highway maintenance
CN218629353U (en) Asphalt mixture rut test equipment
CN219080449U (en) Road shoulder leveling machine for expressway
CN213447984U (en) Spiral paver of asphalt paver
CN220013273U (en) Asphalt paving device for municipal road construction
CN115305782B (en) Paving device and method for hard shoulder slip form construction
CN221002248U (en) Construction fence
CN220565016U (en) Simple tool car for repairing asphalt concrete pavement

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant