CN113756168B - Repair system for inner side of road crack - Google Patents
Repair system for inner side of road crack Download PDFInfo
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- CN113756168B CN113756168B CN202111144300.3A CN202111144300A CN113756168B CN 113756168 B CN113756168 B CN 113756168B CN 202111144300 A CN202111144300 A CN 202111144300A CN 113756168 B CN113756168 B CN 113756168B
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- end wall
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- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0966—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0973—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants
- E01C23/098—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants and working the surface of the filling or applying particulate material thereto, e.g. smoothing, gritting
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention belongs to the field of road safety, and relates to a system for repairing the inner side of a road crack. The invention can place a heavy object, has a force for pressing down equipment, and simultaneously adjusts the size of the opening for releasing cement, moves and controls the caliber, adjusts the width, thereby saving the cement, can turn over the cement while pressing down, effectively judges the crack according to the caliber, can enlarge the opening, can flatten the cement, effectively compensates the inner wall of the crack, thereby effectively saving the cement and maximizing the utilization rate of the cement.
Description
Technical Field
The invention belongs to the field of road safety, and particularly relates to a repairing system for the inner side of a road crack.
Background
As is known, the crack repairing method comprises two different types, namely a longitudinal crack and a transverse crack, wherein the longitudinal crack is mainly caused by the fact that foundation treatment is not in place and filling is not uniform, or the step position of the widened roadbed is not in place, the control of the thickness and the compactness of layered filling is neglected, the crack phenomenon is easy to occur under the action of vehicle load and rainwater, the transverse crack is usually generated under the action of temperature stress and appears on the surface with the maximum temperature change rate and continues to extend downwards, if the crack is not treated in time, the number of the cracks can be continuously increased, the width is further deepened, the appearance attractiveness and the engineering quality of the asphalt pavement are influenced, and when the crack of the pavement is irrigated by cement, the crack on the inner side cannot be effectively repaired and cannot be compacted, and the flattening is carried out unilaterally.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a road crack inner side repairing system which can repair the inner side wall of a crack on a bent crack.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a repair system of road crack inboard, includes the casing, be equipped with on the casing upper end wall and open the chamber, it is equipped with heavy object release board device to open the intracavity, it is equipped with the chamber that flattens to open the chamber lower extreme, it is equipped with lateral wall compensation arrangement to flatten the chamber on, and the chamber right-hand member wall of implementing to flatten is equipped with down the mud chamber of draining, it is equipped with the upset chamber on the end wall under the cement chamber to transfer, down the mud chamber of draining with be equipped with cement release on the upset chamber.
Preferably, the weight releasing device comprises four same ejection cavities fixed at the upper ends of the opening cavities, two symmetrical ejection pulleys are arranged in the ejection cavities in a rolling mode, an ejection electromagnet is fixedly arranged between the two ejection pulleys, ejection plates are arranged on the left end and the right end of the ejection electromagnet in a drawing mode, a weight holding clamp is fixedly arranged on the ejection pulleys, a weight ball is arranged in the weight holding clamp in a sliding mode, and when the ejection pulleys move to the two sides, the weight ball can fall down.
Preferably, on the right-hand member the fixed control motor that is equipped with in chamber rear end launches, the right-hand member roll on launching the chamber and be equipped with left side roll axis and right side roll axis, control motor can drive left side roll axis with right side roll axis rotates, open the fixed response fixed plate that is equipped with in chamber middle part, the fixed response piece that is equipped with on the response fixed plate lower extreme wall, it is equipped with down the axle to slide on the response piece lower extreme, it is equipped with elastic connection area to push down the axle lower extreme, elastic connection area can move down equipment, when can placing the heavy object, has a power of pushing down to equipment, simultaneously, adjusts the opening size of release cement.
Preferably, lateral wall compensation arrangement is including fixing fixed block on the chamber upper end wall flattens, it is equipped with the board of paving to rotate on the fixed block lower extreme, the fixed control swing piece that is equipped with on the board of paving, the board internal fixation of paving is equipped with the repair cement, the rotating rod that is equipped with longitudinal symmetry on the board of paving, the fixed crooked compression area that is equipped with on the rotating rod, the fixed restoration lateral wall hole that is equipped with on the board of paving, fix on the end wall and be equipped with the compression chamber around the repair cement.
Preferably, it is equipped with the axle that tightens to flatten to rotate on the chamber, the epaxial fixed wheel that tightens that is equipped with of tightening, tighten the wheel with it is equipped with the compression rope to repair between the lateral wall hole to tighten, the fixed stripper plate that is equipped with on the end wall around the repair cement, it is equipped with the driven shaft to flatten to roll on the chamber lower extreme wall, the fixed subsidy wheel that is equipped with on the driven shaft front and back end, the subsidy takes turns to and is equipped with the opening release board, it is equipped with the pulling rope to connect between two subsidy wheels, it is equipped with the receipts bundle piece to repair the fixed on the cement lower extreme, the pulling rope that the both sides are connected can pass receive the bundle piece with the epaxial winding wheel in left side roll is connected, when can flattening cement, carries out effectual compensation to the cracked inner wall to and carry out effectual saving to cement, moreover to cement maximum utilization.
Preferably, cement release is including sliding the catch bar of the mud chamber upper end of draining down, transfer cement chamber upper end wall with be equipped with reset spring between the elastic connection lower extreme wall, the upset intracavity rotates and is equipped with the rotation axis, the fixed winding wheel that is equipped with on the rotation axis right side wall, the winding wheel with it is equipped with rotatory rope to connect between the right side roll axis, the fixed returning face plate that is equipped with on the rotation axis rear end wall, the fixed control panel that is equipped with on the upset chamber lower extreme wall, the slip is equipped with the control bore on the control panel, can overturn cement when pressing down, carries out effectual judgement, can enlarge the opening to the crack through the size of bore.
The during operation, aim at the crack with the control bore, start to launch the electro-magnet, it slides to both sides to drive to launch the board, will launch the pulley and begin to open to both sides, at this moment, the weight clamp is opened, will hold the weight clamp and transfer to the response fixed plate on, at this moment, the response piece senses and pushes down the axle down, at this moment, elastic connection area will promote the catch bar, the cement that will transfer the cement intracavity carries out the downstream, when can placing the heavy object, have a power of pushing down to equipment, simultaneously, the opening size to release cement is adjusted.
At this moment, start the control motor, will drive left side roll axis and rotatory rope and remove to both sides, the left side roll axis rotates and will adjust the driven shaft, make it can get into the crack, rotatory rope starts will rotate the winding wheel, drive the rotation axis, will carry out effectual upset to the upset board, carry out effectual impetus to cement, simultaneously, the mobility control bore, the adjustment width, thereby save cement, can push down cement, overturn, carry out effectual judgement to the crack through the size of bore, can enlarge the opening.
At this moment, after the tiling rotor plate gets into the crack, there are many crooked places, and, inside wall can't have cement to get into a bit, so when the subsidy wheel rolls, the tiling rotor plate will have certain inclination, at this moment, the wheel that tightens will tighten the axle rotates, it continuously tightens through the compression rope, take the inboard withdrawal to the crooked compression, the stripper plate extrusion, cement extrusion in the cement will be repaired on the wall of inboard, the driven shaft is when the pivoted, it rotates to drive the subsidy wheel, the place of will not flat transports, when the position of opening release board, get rid of, when can flattening cement, carry out effectual compensation to the inner wall of crack, thereby carry out effectual saving to cement, and to the cement maximum utilization ratio.
Compared with the prior art, the road crack inner side repairing system has the following advantages:
1. when can placing the heavy object, have a power of pushing down to equipment, simultaneously, adjust the opening size of release cement.
2. The aperture is movably controlled, the width is adjusted, so that cement is saved, the cement can be turned over when being pressed down, the crack is effectively judged according to the aperture, and the opening can be enlarged.
3. When can flattening cement, carry out effectual compensation to cracked inner wall to carry out effectual saving to cement, moreover to cement maximum utilization.
Drawings
Fig. 1 is a schematic structural diagram of a repair system for the inner side of a road crack.
Fig. 2 isbase:Sub>A sectional view taken alongbase:Sub>A linebase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Fig. 4 is an enlarged view of the structure at C in fig. 1.
Fig. 5 is a sectional view taken along line D-D in fig. 2.
In the figure, 10, the housing; 11. paving a spring; 12. paving the rotating plate; 13. flattening the cavity; 14. repairing cement; 15. a fixed block; 16. controlling the swing block; 17. an elastic connecting band; 18. an induction fixing plate; 19. opening the cavity; 20. controlling the motor; 21. a left side roll axis; 22. rotating the rope; 23. a right side roll axis; 24. pressing down the shaft; 25. a push rod; 26. a return spring; 27. a mud cavity is arranged at the lower part; 28. a turnover cavity; 29. tightening the shaft; 30. a tension wheel; 31. repairing the side wall hole; 32. an offset slot; 33. compressing the rope; 34. a compression chamber; 35. a compression plate; 36. an induction block; 37. rotating the rod; 38. pulling the rope; 39. bending the compression band; 40. a control panel; 41. a rotating shaft; 42. a turnover plate; 43. a beam collecting block; 44. controlling the caliber; 45. ejecting a plate; 46. ejecting a pulley; 47. an ejection cavity; 48. ejecting an electromagnet; 49. a weight-holding clamp; 50. a heavy ball; 51. a driven shaft; 52. an opening release plate; 53. and (4) patching wheels.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, a road crack inboard repair system, including casing 10, be equipped with on the casing 10 up end wall and open chamber 19, open and be equipped with heavy object release board device in the chamber 19, open and be equipped with on the chamber 19 lower extreme and flatten chamber 13, flatten and be equipped with lateral wall compensation arrangement on the chamber 13, be equipped with down on the chamber 13 right-hand member wall of flattening implemented and turn on the mud chamber 27, transfer and be equipped with upset chamber 28 on the lower terminal wall of cement chamber 27, transfer and be equipped with cement release on cement chamber 27 and the upset chamber 28.
As shown in fig. 1 and 4, the weight releasing device includes four identical ejection cavities 47 fixed at the upper end of the opening cavity 19, two symmetrical ejection pulleys 46 are arranged in the ejection cavities 47 in a rolling manner, an ejection electromagnet 48 is fixedly arranged between the two ejection pulleys 46, ejection plates 45 are arranged on the left end and the right end of the ejection electromagnet 48 in a drawing manner, a weight holding clamp 49 is fixedly arranged on the ejection pulleys 46, a weight ball 50 is arranged in the weight holding clamp 49 in a sliding manner, and when the ejection pulleys 46 move towards the two sides, the weight ball 50 can fall down.
As shown in fig. 1 and 4, a control motor 20 is fixedly arranged at the rear end of an ejection cavity 47 on the rightmost end, a left rolling shaft 21 and a right rolling shaft 23 are arranged on the ejection cavity 47 on the rightmost end in a rolling manner, the control motor 20 can drive the left rolling shaft 21 and the right rolling shaft 23 to rotate, an induction fixing plate 18 is fixedly arranged at the middle end of an opening cavity 19, an induction block 36 is fixedly arranged on the lower end wall of the induction fixing plate 18, a pressing shaft 24 is arranged on the lower end of the induction block 36 in a sliding manner, an elastic connecting belt 17 is arranged at the lower end of the pressing shaft 24, the elastic connecting belt 17 can move equipment downwards, when a heavy object is placed, a force for pressing the equipment downwards is provided, and meanwhile, the size of an opening for releasing cement is adjusted.
As shown in fig. 1, 2 and 5, the side wall compensation device includes a fixed block 15 fixed on the upper end wall of the flattening cavity 13, a leveling plate 12 is rotatably provided on the lower end of the fixed block 15, a control swing block 16 is fixedly provided on the leveling plate 12, a repair cement 14 is fixedly provided in the leveling plate 12, a rotating rod 37 is rotatably provided on the leveling plate 12, the rotating rod 37 is symmetrical front and back, a bending compression belt 39 is fixedly provided on the rotating rod 37, a repair side wall hole 31 is fixedly provided on the leveling plate 12, and a compression cavity 34 is fixedly provided on the front and back end walls of the repair cement 14.
As shown in fig. 1, 2 and 5, a tightening shaft 29 is rotatably arranged on the flattening cavity 13, tightening wheels 30 are fixedly arranged on the tightening shaft 29, compression ropes 33 are tightly arranged between the tightening wheels 30 and the repair side wall holes 31, squeezing plates 35 are fixedly arranged on the front and rear end walls of the repair cement 14, a driven shaft 51 is rotatably arranged on the lower end wall of the flattening cavity 13, repair wheels 53 are fixedly arranged on the front and rear ends of the driven shaft 51, opening release plates 52 are arranged on the repair wheels 53, a pulling rope 38 is connected between the two repair wheels 53, a tightening block 43 is fixedly arranged on the lower end of the repair cement 14, the pulling ropes 38 connected on both sides can penetrate through the tightening block 43 to be connected with a winding wheel on the left rolling shaft 21, so that the inner wall of a crack can be effectively compensated while the cement is flattened, thereby effectively saving the cement and maximizing the utilization rate of the cement.
As shown in fig. 1 and 3, the cement releasing device comprises a push rod 25 sliding on the upper end of a lower cement releasing cavity 27, a return spring 26 is arranged between the upper end wall of the lower cement releasing cavity 27 and the lower end wall of an elastic connecting band 17, a rotating shaft 41 is arranged in the turnover cavity 28 in a rotating mode, a winding wheel is fixedly arranged on the right end wall of the rotating shaft 41, a rotating rope 22 is connected between the winding wheel and the right rolling shaft 23, a turnover plate 42 is fixedly arranged on the rear end wall of the rotating shaft 41, a control plate 40 is fixedly arranged on the lower end wall of the turnover cavity 28, a control caliber 44 is arranged on the control plate 40 in a sliding mode, cement can be turned over when being pressed down, cracks can be effectively judged according to the size of the caliber, and the opening can be enlarged.
During operation, control bore 44 is aimed at the crack, launch electro-magnet 48 is started, drive launch board 45 and slide to both sides, launch pulley 46 and begin to open to both sides, at this moment, weight-holding clamp 49 is opened, weight-holding clamp 49 is transferred to and is inducted on fixed plate 18, at this moment, response piece 36 senses and pushes down axle 24 downwards, at this moment, elastic connection area 17 will promote catch bar 25, will transfer the cement in the cement chamber 27 and move downwards, can place the heavy object, have a power of pushing down to equipment, simultaneously, adjust the opening size of release cement.
At this time, the control motor 20 is started to drive the left rolling shaft 21 and the rotating rope 22 to move towards two sides, the left rolling shaft 21 rotates to adjust the driven shaft 51 to enable the driven shaft to enter a crack, the rotating rope 22 is started to rotate the winding wheel to drive the rotating shaft 41 to effectively turn over the turning plate 42 to effectively push cement, meanwhile, the aperture 44 is controlled to move to adjust the width, cement is saved, the cement can be turned over while being pressed down, the crack is effectively judged according to the aperture, and the opening can be enlarged.
At this time, after the paving rotating plate 12 enters the crack, there are many curved places, and some inner side walls can not enter cement, so when the patch wheel 53 rolls, the paving rotating plate 12 will have a certain inclination, at this time, the tightening shaft 29 will rotate the tightening wheel 30, continuously tighten through the compression rope 33, retract the curved compression belt 39 to the inner side, squeeze the squeeze plate 35, squeeze the cement in the repair cement 14 to the inner side wall, the driven shaft 51 will drive the patch wheel 53 to rotate when rotating, transport the uneven place, when reaching the position of the opening release plate 52, remove, can flatten the cement, simultaneously, effectively compensate the inner wall of the crack, thereby effectively saving the cement and maximizing the utilization rate of the cement.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (3)
1. The repairing system for the inner side of the road crack comprises a shell (10) and is characterized in that an opening cavity (19) is formed in the upper end wall of the shell (10), a weight releasing plate device is arranged in the opening cavity (19), a flattening cavity (13) is formed in the lower end of the opening cavity (19), a side wall compensation device is arranged on the flattening cavity (13), a lower sludge discharging cavity (27) is formed in the right end wall of the flattening cavity (13), a turning cavity (28) is formed in the lower end wall of the lower sludge discharging cavity (27), and cement releasing devices are arranged on the lower sludge discharging cavity (27) and the turning cavity (28); the weight releasing device comprises four same ejection cavities (47) fixed at the upper end of the opening cavity (19), two symmetrical ejection pulleys (46) are arranged in each ejection cavity (47) in a rolling mode, an ejection electromagnet (48) is fixedly arranged between the two ejection pulleys (46), ejection plates (45) are arranged on the left end and the right end of each ejection electromagnet (48) in a drawing mode, a weight holding clamp (49) is fixedly arranged on each ejection pulley (46), a weight ball (50) is arranged in each weight holding clamp (49) in a sliding mode, and when the ejection pulleys (46) move towards the two sides, the weight ball (50) can fall down; the ejection device is characterized in that a control motor (20) is fixedly arranged at the rear end of the ejection cavity (47) on the rightmost end, a left rolling shaft (21) and a right rolling shaft (23) are arranged on the ejection cavity (47) on the rightmost end in a rolling manner, the control motor (20) can drive the left rolling shaft (21) and the right rolling shaft (23) to rotate, an induction fixing plate (18) is fixedly arranged at the middle end of the opening cavity (19), an induction block (36) is fixedly arranged on the lower end wall of the induction fixing plate (18), a pressing shaft (24) is arranged on the lower end of the induction block (36) in a sliding manner, an elastic connecting belt (17) is arranged at the lower end of the pressing shaft (24), the elastic connecting belt (17) can move down the device, a force for pressing down the device can be applied when a heavy object is placed, and the size of an opening for releasing cement can be adjusted; lateral wall compensation arrangement is including fixing fixed block (15) on flattening chamber (13) upper end wall, it is equipped with paving rotor plate (12) to rotate on fixed block (15) lower extreme, it is equipped with control swing piece (16) to fix on paving rotor plate (12), paving rotor plate (12) internal fixation is equipped with repair cement (14), it is equipped with front and back symmetry's rotary rod (37) to rotate on paving rotor plate (12), the fixed crooked compression area (39) that is equipped with on rotary rod (37), it repairs lateral wall hole (31) to fix being equipped with on paving rotor plate (12), repair cement (14) front and back end wall on the fixed compression chamber (34) that is equipped with.
2. The repair system for inside of road crack of claim 1 wherein: the cement repairing device is characterized in that a tightening shaft (29) is arranged on the flattening cavity (13) in a rotating mode, a tightening wheel (30) is fixedly arranged on the tightening shaft (29), the tightening wheel (30) and a compression rope (33) are arranged between the repairing side wall holes (31) in a tightening mode, an extrusion plate (35) is fixedly arranged on the front end wall and the rear end wall of the repairing cement (14), a driven shaft (51) is arranged on the lower end wall of the flattening cavity (13) in a rolling mode, a repairing wheel (53) is fixedly arranged on the front end and the rear end of the driven shaft (51), an opening release plate (52) is arranged on the repairing wheel (53), a pulling rope (38) is connected between the two repairing wheels (53), a binding block (43) is fixedly arranged on the lower end of the repairing cement (14), the binding block (43) can penetrate through the pulling rope (38) connected with the left rolling shaft (21), the inner wall of a crack can be effectively compensated when the cement is flattened, effective saving can be carried out, and the maximum utilization rate of the cement can be achieved.
3. The repair system for inside of road cracks of claim 2, wherein: cement release device is including sliding catch bar (25) of discharging mud chamber (27) upper end down, down discharge mud chamber (27) upper end wall with be equipped with reset spring (26) between elastic connection area (17) lower terminal wall, upset chamber (28) internal rotation is equipped with rotation axis (41), the fixed winding wheel that is equipped with on rotation axis (41) right side end wall, the winding wheel with it is equipped with rotatory rope (22) to connect between right side roll axle (23), the fixed returning face plate (42) that is equipped with on rotation axis (41) rear end wall, the fixed control panel (40) that is equipped with on upset chamber (28) lower terminal wall, the slip is equipped with control bore (44) on control panel (40), can overturn cement when pressing down, carries out effectual judgement, can enlarge the opening to the crack through the size of bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144300.3A CN113756168B (en) | 2021-09-28 | 2021-09-28 | Repair system for inner side of road crack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144300.3A CN113756168B (en) | 2021-09-28 | 2021-09-28 | Repair system for inner side of road crack |
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| CN113756168A CN113756168A (en) | 2021-12-07 |
| CN113756168B true CN113756168B (en) | 2022-11-18 |
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| CN202111144300.3A Active CN113756168B (en) | 2021-09-28 | 2021-09-28 | Repair system for inner side of road crack |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210458883U (en) * | 2019-07-31 | 2020-05-05 | 刘东林 | Highway subgrade and pavement maintenance construction equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8534954B2 (en) * | 2011-05-19 | 2013-09-17 | The Geary Trust | Pot hole repair patch and method of installation |
| CN206828934U (en) * | 2017-05-02 | 2018-01-02 | 任壬 | A kind of pitch-rood |
| CN108035231A (en) * | 2017-12-27 | 2018-05-15 | 李雨林 | A kind of express highway pavement repairing compacting apparatus for leveling |
| CN211446533U (en) * | 2019-12-20 | 2020-09-08 | 杨海龙 | Road patching device that town road had flattening function |
| CN211522799U (en) * | 2020-01-16 | 2020-09-18 | 李燕 | Novel crack repair is used in highway construction device |
| CN213925904U (en) * | 2020-08-18 | 2021-08-10 | 焦安静 | Road and bridge crack reinforcing and repairing device |
| CN213772857U (en) * | 2020-11-27 | 2021-07-23 | 浙江春天建设有限公司 | Quick prosthetic devices of road surface sanding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210458883U (en) * | 2019-07-31 | 2020-05-05 | 刘东林 | Highway subgrade and pavement maintenance construction equipment |
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Inventor after: Wu Zhilan Inventor after: Shan Wenying Inventor after: Hao Yuejun Inventor before: Hao Yuejun |
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Effective date of registration: 20221102 Address after: 252000 No.62 Xinghua West Road, Dongchangfu District, Liaocheng City, Shandong Province Applicant after: Wu Zhilan Address before: 311831 No. 218, Dongwang Road, Huandong street, Zhuji City, Shaoxing City, Zhejiang Province Applicant before: Zhuji Yuancheng Construction Engineering Co.,Ltd. |
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