CN212895828U - Injection type filling and repairing device for asphalt pavement cracks - Google Patents

Injection type filling and repairing device for asphalt pavement cracks Download PDF

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Publication number
CN212895828U
CN212895828U CN202020506177.XU CN202020506177U CN212895828U CN 212895828 U CN212895828 U CN 212895828U CN 202020506177 U CN202020506177 U CN 202020506177U CN 212895828 U CN212895828 U CN 212895828U
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repairing
injection
horizontal moving
lifting
container tank
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李亚东
阎丽萍
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李亚东
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Abstract

The utility model aims at providing a patching device is filled to injection type for bituminous paving crackle, its characterized in that: the device consists of four lifting support legs, two first horizontal moving slide rails, a second horizontal moving slide frame, an injection support slide plate, an injection lifting driving device, a lifting telescopic connecting rod, a repairing material container tank, two material input and drainage tubes, an injection output port, two handrails and a controller, wherein a limiting plate is arranged inside the repairing material container tank; the structure thinking of whole equipment is clear, easy operation is convenient, adopt violently, indulge the track structure and be used for the support and the removal operating means of direction location as the patching device, the standardization has improved the flexibility of removing operation and local position adjustment, avoid artifical handheld operation drawback and the operational risk of repairing and bringing, the mode of extruding through electronic pressurization comes to fill power to the patching material, mobility is stronger, it is more thorough to fill, the operation is safer, work efficiency and quality have been improved.

Description

Injection type filling and repairing device for asphalt pavement cracks
Technical Field
The utility model relates to a road engineering construction field especially relates to an injection type fills patching device for bituminous paving crackle.
Background
The asphalt pavement is one of the main structural forms of high-grade pavements in China, under the action of traffic load and natural environmental factors, a plurality of pavements have early microcracks, if the pavements are not repaired in time, the pavements are structurally damaged, and the driving safety is influenced in time, so that the cracks of the asphalt pavement need to be repaired and filled; in the conventional repairing mode, manual repair is adopted, liquid asphalt is smeared in cracks, and the cracks of an asphalt pavement are filled up through cooling and solidification, although the cracks can be repaired, the surfaces of the cracks are only repaired, a large amount of liquid asphalt is not injected into the cracks, and along with long-time use, the repaired positions can be continuously cracked, so that repeated repair can be caused, the repairing quality cannot be improved, and the construction cost is increased; in summary, for the crack characteristics of the asphalt pavement, it is necessary to develop a device with excellent performance and higher safety, so as to have important practical significance for the preventive maintenance of the asphalt pavement and the prolonging of the service life of the road.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a crackle for being directed at bituminous paving repairs, adopt violently, the vertical track structure is used for the support and the direction location's of regarding as patching device removal operation part, the standardization has improved the flexibility of removal operation and local position adjustment, a series of operation drawbacks such as not repairing complete that manual handheld repair brought have been avoided, the mode of extruding through electronic pressurization comes to fill power to the patching material, the artifical manual operation risk of paining the packing has been reduced, it is more thorough to fill, operate more standard and safety, and then the injection type who has improved work efficiency and quality fills patching device.
The technical scheme of the utility model is that: the utility model provides an injection type filling patching device for bituminous paving crackle which characterized in that: the device consists of four lifting support legs, two first horizontal moving slide rails, a second horizontal moving slide frame, an injection support slide plate, an injection lifting driving device, a lifting telescopic connecting rod, a repaired material container, two material input drainage tubes, an injection output port, two handrails and a controller, wherein the two first horizontal moving slide rails are horizontally distributed on the upper parts of the four lifting support legs in parallel, the four lifting support legs are in a rectangular structure, the lower parts of the two ends of any first horizontal moving slide rail are respectively provided with one lifting support leg, the four lifting support legs are fixedly connected with the two first horizontal moving slide rails, the second horizontal moving slide frame is positioned between the two first horizontal moving slide rails, the second horizontal moving slide frame is movably connected with the two first horizontal moving slide rails, and the injection support slide plate is positioned on the inner side of the second horizontal moving slide frame, the injection supporting sliding plate is movably connected with the second horizontal moving sliding frame, the injection lifting driving device is positioned at the upper part of the injection supporting sliding plate, the injection lifting driving device is fixedly connected with the injection supporting sliding plate, the lifting telescopic connecting rod is positioned at the lower parts of the injection lifting driving device and the injection supporting sliding plate, one end of the lifting telescopic connecting rod penetrates through the injection supporting sliding plate and is fixedly connected with the injection lifting driving device, the other end of the lifting telescopic connecting rod penetrates through the material supplementing container tank to be movably connected, the material repairing container tank is positioned at the lower part of the lifting telescopic connecting rod, the material repairing container tank is fixedly connected with two material input drainage tubes, the two material input drainage tubes are respectively positioned at two sides of the material repairing container tank, and the two material input drainage tubes are both fixedly connected with the injection supporting sliding plate, one end of any material input drainage tube is fixedly connected with the repairing material container tank, a pressing plate is further arranged on the lifting telescopic connecting rod and is positioned inside the repairing material container tank, the pressing plate is fixedly connected with the lifting telescopic connecting rod, a limiting plate is further arranged on the repairing material container tank and is positioned at a position close to the bottom of the inner side of the repairing material container tank, the limiting plate is fixedly connected with the repairing material container tank and is lower than the connecting positions of the two material input drainage tubes and the repairing material container tank, the injection output port is positioned at the central position of the lower portion of the repairing material container tank, the injection output port is fixedly connected with the repairing material container tank, the two handrails are respectively positioned at the upper portions of the two first horizontal moving slide rails, and any handrails are fixedly connected with the first horizontal moving slide rails, the controller is located the outside of first horizontal migration slide rail, the controller is fixed connection with first horizontal migration slide rail.
Furthermore, the four lifting support legs and the injection lifting driving device are all electric hydraulic lifting devices.
Further, the two first horizontal moving sliding rails are rail frames with clamping groove structures.
Further, any two stop blocks are further arranged on the first horizontal moving slide rail, the two stop blocks are respectively located at two ends of the first horizontal moving slide rail, and the two stop blocks are fixedly connected with the first horizontal moving slide rail.
Further, the second horizontal movement carriage is of a clamping carriage structure.
Further, the injection supporting sliding plate is a hollow-out structure plate.
Further, the repair material container tank is a transparent toughened glass container.
Furthermore, the two material input drainage tubes are transparent toughened glass guide tubes with funnel filling opening structures.
Further, the diameter of the pressing plate is smaller than that of the limiting plate, and the diameter of the pressing plate is larger than that of the hollowed-out circular ring structure of the limiting plate.
Further, the limiting plate is of a hollow circular ring structure.
The beneficial effects of the utility model reside in that: the equipment is a device for repairing cracks of an asphalt pavement, each lifting support leg adopts an electric hydraulic lifting device, the electric hydraulic lifting devices are controlled by a controller, two first horizontal moving slide rails can be driven to simultaneously carry out lifting movement operation, the step is consistent, the height of an operation platform of the whole equipment can be controlled, the height adjustment of the lifting support legs at different positions can be realized, so that the equipment can be suitable for supporting different heights at the junction position of a pavement and a foundation stone, the supporting and fixing at different pavement high and low positions can be met, the height adjustment of the four lifting support legs is also realized in order to adjust an injection input port arranged at the central position of the lower part of a repairing material container tank to an appropriate height for injecting materials at the crack position of the asphalt pavement to be repaired, and an operator can decide according to the condition of the size of the cracks under actual road conditions, if the crack is too large, the injection output port can be inserted into the pavement crack by adjusting the heights of the four lifting support legs, so that the filled material can be deeper, and the filling quality is ensured; the two material input drainage tubes are both transparent toughened glass tubes with funnel-shaped filling opening structures, filling openings of the funnel-shaped structures can conveniently repair the input of filling materials, the transparent toughened glass materials have the characteristics of high temperature resistance and corrosion resistance, and meanwhile, operators can conveniently observe the drainage condition of each material input drainage tube, the repairing material container tank is also a transparent toughened glass container and also has the characteristics of high temperature resistance and corrosion resistance, a limiting plate with a hollowed-out circular ring structure is also arranged at the position, close to the bottom, inside the repairing material container tank, the diameter of the limiting plate is smaller than that of the limiting plate, and the diameter of the pressing plate is larger than that of the hollowed-out circular ring structure of the limiting plate, so that when the pressing plate presses the repairing materials inside the repairing material container tank, the repairing materials can be downwards extruded from the central circular ring structure of the limiting plate, after the pressing plate is in contact with the limiting plate in a bonding manner, a large amount of repairing materials in the repairing material container tank are extruded, a small part of repairing materials are left at the bottom of the repairing material container tank, and a part of flowable repairing materials are reserved to prevent cooling solidification caused by the lack of flowable repairing materials in the repairing material container tank and the injection output port so as to avoid blockage of the injection output port; the structure thinking of whole equipment is clear, easy operation is convenient, adopt violently, the vertical track structure is used for the support and the direction location's of regarding as the patching device removal operation part, the standard and the flexibility that has improved removal operation and local position adjustment, a series of operation drawbacks such as not repairing the completeness that manual handheld repair brought have been avoided, the mode of extruding through electronic pressurization comes to fill power to the patching material, the artifical manual operation risk of paining the packing has been reduced, mobility is stronger, it is more thorough to fill, operation more standard and safety, and then work efficiency and quality have been improved.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a schematic structural view of the injection type filling and repairing device of the present invention.
Wherein: 1. lifting support leg 2, first horizontal moving slide rail 3 and stop block
4. Second horizontal moving carriage 5, injection supporting slide plate 6, injection lifting drive device
7. Lifting telescopic connecting rod 8, repairing material container tank 9 and material input drainage tube
10. Pressing plate 11, limiting plate 12 and injection outlet
13. Handle 14 and controller
Detailed Description
The following provides a brief description of the embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 and 2, the injection type filling and repairing device for asphalt pavement cracks is characterized in that: the device comprises four lifting support legs 1, two first horizontal moving slide rails 2, a second horizontal moving slide frame 4, an injection support slide plate 5, an injection lifting driving device 6, a lifting telescopic connecting rod 7, a repair material container tank 8, two material input drainage tubes 9, an injection output port 12, two handrails 13 and a controller 14, wherein the two first horizontal moving slide rails 2 are horizontally distributed on the upper parts of the four lifting support legs 1 in parallel, the four lifting support legs 1 are rectangular, the lower parts of two ends of any first horizontal moving slide rail 2 are respectively provided with one lifting support leg 1, the four lifting support legs 1 are fixedly connected with the two first horizontal moving slide rails 2, any first horizontal moving slide rail 2 is also provided with two stop blocks 3, and the two stop blocks 3 are respectively positioned at two ends of the first horizontal moving slide rail 2, the two stop blocks 3 are fixedly connected with the first horizontal moving slide rail 2, the second horizontal moving slide frame 4 is positioned between the two first horizontal moving slide rails 2, the second horizontal moving slide frame 4 is movably connected with the two first horizontal moving slide rails 2, the injection supporting slide plate 5 is positioned at the inner side of the second horizontal moving slide frame 4, the injection supporting slide plate 5 is movably connected with the second horizontal moving slide frame 4, the injection lifting driving device 6 is positioned at the upper part of the injection supporting slide plate 5, the injection lifting driving device 6 is fixedly connected with the injection supporting slide plate 5, the lifting telescopic connecting rod 7 is positioned at the lower parts of the injection lifting driving device 6 and the injection supporting slide plate 5, one end of the lifting telescopic connecting rod 7 penetrates through the injection supporting slide plate 5 and is fixedly connected with the injection lifting driving device 6, and the other end of the lifting telescopic connecting rod 7 penetrates through the material supplement container 8 and is movably connected, the repair material container tank 8 is positioned at the lower part of the lifting telescopic connecting rod 7, the repair material container tank 8 is fixedly connected with two material input drainage tubes 9, the two material input drainage tubes 9 are respectively positioned at two sides of the repair material container tank 8, the two material input drainage tubes 9 are both fixedly connected with the injection support sliding plate 5, and one end of the material input drainage tube 9 is fixedly connected with the repair material container tank 8, a pressing plate 10 is further arranged on the lifting telescopic connecting rod 7, the pressing plate 10 is positioned inside the repair material container tank 8, the pressing plate 10 is fixedly connected with the lifting telescopic connecting rod 7, a limiting plate 11 is further arranged on the repair material container tank 8, the limiting plate 11 is positioned at a position close to the inner bottom of the repair material container tank 8, and the limiting plate 11 is fixedly connected with the repair material container tank 8, the limiting plate 11 is lower than the connecting position of the two material input and drainage tubes 9 and the repair material container tank 8, the injection output port 12 is located at the central position of the lower portion of the repair material container tank 8, the injection output port 12 is fixedly connected with the repair material container tank 8, the two handrails 13 are respectively located at the upper portions of the two first horizontal moving slide rails 2, any handrail 13 is fixedly connected with the first horizontal moving slide rail 2, the controller 14 is located on the outer side of the first horizontal moving slide rail 2, and the controller 14 is fixedly connected with the first horizontal moving slide rail 2. The four lifting support legs 1 and the injection lifting driving device 6 are all electric hydraulic lifting devices. And the two first horizontal moving slide rails 2 are both clamping groove structure track frames. The second horizontal movement carriage 4 has a clamping carriage structure. The injection supporting sliding plate 5 is a hollow-out structure plate. The repair material container 8 is a transparent toughened glass container. The two material input drainage tubes 9 are transparent toughened glass guide tubes with funnel filling opening structures. The diameter of the pressing plate 10 is smaller than that of the limiting plate 11, and the diameter of the pressing plate 10 is larger than that of the hollowed-out circular ring structure of the limiting plate 11. The limiting plate 11 is of a hollow circular ring structure.
The working mode is as follows: the equipment is a device for repairing cracks of an asphalt pavement, and mainly comprises four lifting support legs 1, two first horizontal moving slide rails 2, a second horizontal moving carriage 4, an injection support slide plate 5, an injection lifting driving device 6, a lifting telescopic connecting rod 7, a repair material container tank 8, two material input drainage tubes 9, an injection output port 12, two handrails 13 and a controller 14, when in use, firstly, an operator uses the handrails 13 to carry the whole equipment to the crack position of the asphalt pavement to be repaired, so that the whole equipment covers the crack of the pavement to be repaired, the two first horizontal moving slide rails 2 of the equipment are distributed in parallel, the lower parts of the two ends of each first horizontal moving slide rail 2 are respectively provided with one lifting support leg 1, and the lifting support legs 1 all adopt electric hydraulic lifting devices, the height adjustment of the four lifting support legs 1 is also to adjust the injection input port 12 arranged at the central position of the lower part of the repair material container tank 8 to a proper height for injecting materials at the crack position of the asphalt pavement to be repaired, an operator can determine according to the condition of the size of the crack of the actual road condition, and if the crack is too large, the injection output port 12 can be inserted into the crack of the road surface by adjusting the heights of the four lifting support legs 1, the filled materials are deeper, and the filling quality is ensured; after the height of the foundation is adjusted, when the injection input port 12 arranged at the center of the lower part of the repairing material container tank 8 is aligned with the pavement crack, at this time, the operator can inject the material required for filling and repairing into the two material input drainage tubes 9, the two material input drainage tubes 9 are both transparent toughened glass guide tubes with funnel-shaped injection port structures, the funnel-shaped injection port of each material input drainage tube 9 can facilitate the input of the repairing material, the transparent toughened glass material has the characteristics of high temperature resistance and corrosion resistance, and the operator can observe the drainage condition of each material input drainage tube 9 conveniently, the material required for filling and repairing can enter the repairing material container tank 8 along each material input drainage tube 9, the repairing material container tank 8 also adopts a transparent toughened glass container, and has the characteristics of high temperature resistance, corrosion resistance, and the like, The characteristic of corrosion resistance, when the repair material in the repair material container 8 is filled up, the operator uses the controller 14 to open the injection lifting driving device 6, the injection lifting driving device 6 also uses the electrohydraulic lifting device, which can ensure the lifting stability of the lifting telescopic connecting rod 7, one end of the lifting telescopic connecting rod 7 passing through the repair material container 8 is provided with a pressing plate 10, along with the descending of the lifting telescopic connecting rod 7, the pressing plate 10 pushes the repair material in the repair material container 8 to extrude downwards and extrude from the outlet position of the injection outlet 12, because the outlet position of the injection outlet 12 is closer to the position of the pavement crack to be repaired or possibly insert into the pavement crack, the repair material can be fully filled in the crack position of the pavement, in addition, a limiting plate 11 is also arranged in the position of the interior of the repair material container 8 near the bottom, the limiting plate 11 is of a hollow ring structure, the diameter of the pressing plate 10 is smaller than that of the limiting plate 11, and the diameter of the pressing plate 10 is larger than that of the hollow ring structure of the limiting plate 11, so that when the pressing plate 10 extrudes the repairing material inside the repairing material container tank 8, the repairing material can be extruded downwards from the central ring structure of the limiting plate 11, after the pressing plate 10 is attached and contacted with the limiting plate 11, a large amount of repairing material in the repairing material container tank 8 is extruded, a small part of repairing material is left at the bottom position of the repairing material container tank 8, because the repairing material is a high-temperature material, a part of the repairing material capable of flowing is reserved to prevent cooling solidification caused by the lack of the flowing repairing material in the repairing material container tank 8 and the injection outlet 12, the blockage of the injection outlet 12 is avoided, and the limiting plate 11 is lower than the connecting position of the two material input drainage tubes 9 and the repairing material container tank 8 The repair material entering from the material input-drainage tube 9 without being pushed by the pressure plate 10 is prevented from directly passing through the repair material container tank 8 and flowing out from the injection output port 12, and does not play a role of pressure propulsion; because the repairing material container tank 8 and the injection lifting driving device 6 are installed at the lower part and the upper part of the injection supporting sliding plate 5, and the injection supporting sliding plate 5 adopting a hollow structure plate is installed between the second horizontal moving sliding frame 4 and the two second horizontal moving sliding frames 2, it not only can let the two material input drainage tubes 9 pass through to complete the input of the material, but also can arbitrarily move along the horizontal direction of the second horizontal moving sliding frame 4, each first horizontal moving sliding rail 2 adopts a clamping groove structure rail frame for clamping the second horizontal moving sliding frame 4, and the second horizontal moving sliding frame 4 also adopts a clamping sliding frame structure, so that the movement of the injection supporting sliding plate 5 is more standard and flexible, two ends of each first horizontal moving sliding rail 2 are respectively provided with a stop block 3 for preventing the whole second horizontal moving sliding frame 4 from sliding and falling off, therefore, when in repairing, the position of the pavement crack covered by the whole equipment can be adjusted and changed, and the pavement crack can be repaired finely; the structure thinking of whole equipment is clear, easy operation is convenient, adopt violently, the vertical track structure is used for the support and the direction location's of regarding as the patching device removal operation part, the standard and the flexibility that has improved removal operation and local position adjustment, a series of operation drawbacks such as not repairing the completeness that manual handheld repair brought have been avoided, the mode of extruding through electronic pressurization comes to fill power to the patching material, the artifical manual operation risk of paining the packing has been reduced, mobility is stronger, it is more thorough to fill, operation more standard and safety, and then work efficiency and quality have been improved.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", "end", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (10)

1. The utility model provides an injection type filling patching device for bituminous paving crackle which characterized in that: the device consists of four lifting support legs, two first horizontal moving slide rails, a second horizontal moving slide frame, an injection support slide plate, an injection lifting driving device, a lifting telescopic connecting rod, a repaired material container, two material input drainage tubes, an injection output port, two handrails and a controller, wherein the two first horizontal moving slide rails are horizontally distributed on the upper parts of the four lifting support legs in parallel, the four lifting support legs are in a rectangular structure, the lower parts of the two ends of any first horizontal moving slide rail are respectively provided with one lifting support leg, the four lifting support legs are fixedly connected with the two first horizontal moving slide rails, the second horizontal moving slide frame is positioned between the two first horizontal moving slide rails, the second horizontal moving slide frame is movably connected with the two first horizontal moving slide rails, and the injection support slide plate is positioned on the inner side of the second horizontal moving slide frame, the injection supporting sliding plate is movably connected with the second horizontal moving sliding frame, the injection lifting driving device is positioned at the upper part of the injection supporting sliding plate, the injection lifting driving device is fixedly connected with the injection supporting sliding plate, the lifting telescopic connecting rod is positioned at the lower parts of the injection lifting driving device and the injection supporting sliding plate, one end of the lifting telescopic connecting rod penetrates through the injection supporting sliding plate and is fixedly connected with the injection lifting driving device, the other end of the lifting telescopic connecting rod penetrates through the material supplementing container tank to be movably connected, the material repairing container tank is positioned at the lower part of the lifting telescopic connecting rod, the material repairing container tank is fixedly connected with two material input drainage tubes, the two material input drainage tubes are respectively positioned at two sides of the material repairing container tank, and the two material input drainage tubes are both fixedly connected with the injection supporting sliding plate, one end of any material input drainage tube is fixedly connected with the repairing material container tank, a pressing plate is further arranged on the lifting telescopic connecting rod and is positioned inside the repairing material container tank, the pressing plate is fixedly connected with the lifting telescopic connecting rod, a limiting plate is further arranged on the repairing material container tank and is positioned at a position close to the bottom of the inner side of the repairing material container tank, the limiting plate is fixedly connected with the repairing material container tank and is lower than the connecting positions of the two material input drainage tubes and the repairing material container tank, the injection output port is positioned at the central position of the lower portion of the repairing material container tank, the injection output port is fixedly connected with the repairing material container tank, the two handrails are respectively positioned at the upper portions of the two first horizontal moving slide rails, and any handrails are fixedly connected with the first horizontal moving slide rails, the controller is located the outside of first horizontal migration slide rail, the controller is fixed connection with first horizontal migration slide rail.
2. The injection type filling and repairing device for asphalt pavement cracks as claimed in claim 1, wherein: the four lifting support legs and the injection lifting driving device are all electric hydraulic lifting devices.
3. The injection type filling and repairing device for asphalt pavement cracks as claimed in claim 1, wherein: and the two first horizontal moving sliding rails are rail frames with clamping groove structures.
4. The injection type filling and repairing device for asphalt pavement cracks as claimed in claim 1, wherein: and any two stop blocks are also arranged on the first horizontal moving slide rail, the two stop blocks are respectively positioned at two ends of the first horizontal moving slide rail, and the two stop blocks are fixedly connected with the first horizontal moving slide rail.
5. The injection type filling and repairing device for asphalt pavement cracks as claimed in claim 1, wherein: the second horizontal moving sliding frame is of a clamping sliding frame structure.
6. The injection type filling and repairing device for asphalt pavement cracks as claimed in claim 1, wherein: the injection supporting sliding plate is a hollow-out structure plate.
7. The injection type filling and repairing device for asphalt pavement cracks as claimed in claim 1, wherein: the repairing material container tank is a transparent toughened glass container.
8. The injection type filling and repairing device for asphalt pavement cracks as claimed in claim 1, wherein: the two material input drainage tubes are transparent toughened glass guide tubes with funnel filling opening structures.
9. The injection type filling and repairing device for asphalt pavement cracks as claimed in claim 1, wherein: the diameter of the pressing plate is smaller than that of the limiting plate, and the diameter of the pressing plate is larger than that of the hollowed-out circular ring structure of the limiting plate.
10. The injection type filling and repairing device for asphalt pavement cracks as claimed in claim 1, wherein: the limiting plate is of a hollow circular ring structure.
CN202020506177.XU 2020-04-09 2020-04-09 Injection type filling and repairing device for asphalt pavement cracks Active CN212895828U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020506177.XU CN212895828U (en) 2020-04-09 2020-04-09 Injection type filling and repairing device for asphalt pavement cracks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020506177.XU CN212895828U (en) 2020-04-09 2020-04-09 Injection type filling and repairing device for asphalt pavement cracks

Publications (1)

Publication Number Publication Date
CN212895828U true CN212895828U (en) 2021-04-06

Family

ID=75226984

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020506177.XU Active CN212895828U (en) 2020-04-09 2020-04-09 Injection type filling and repairing device for asphalt pavement cracks

Country Status (1)

Country Link
CN (1) CN212895828U (en)

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