CN116607377A - Highway asphalt pavement crack repairing device and repairing method - Google Patents
Highway asphalt pavement crack repairing device and repairing method Download PDFInfo
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- CN116607377A CN116607377A CN202310518536.1A CN202310518536A CN116607377A CN 116607377 A CN116607377 A CN 116607377A CN 202310518536 A CN202310518536 A CN 202310518536A CN 116607377 A CN116607377 A CN 116607377A
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- frame
- fixedly connected
- asphalt pavement
- pavement crack
- repairing device
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- 239000010426 asphalt Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000005498 polishing Methods 0.000 claims abstract description 11
- 238000005452 bending Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 2
- 230000008439 repair process Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Road Repair (AREA)
Abstract
The invention provides a highway asphalt pavement crack repairing device and a highway asphalt pavement crack repairing method, and relates to the technical field of road repairing. The highway asphalt pavement crack repairing device comprises a frame, wherein a heat treatment mechanism is arranged at the left end of the inner side of the frame, a polishing mechanism is arranged at the right end of the inner side of the frame, a high-temperature treatment mechanism is arranged in the middle of the inner side of the frame, a driving mechanism is arranged at the top of the frame, and a mechanical control mechanism is fixedly connected to the right side of the frame. Through putting into the hollow bucket with pitch, the cooperation heater strip heats, uses stirring board to stir, and the metal chock block reciprocates to block up, makes pitch let out down, labour saving and time saving, and it is more convenient to drive gear rotation through the rack, makes the screw thread post rotate the reciprocates, makes square box decline cover on the crack, and the heat energy flow that the cooperation heater strip heated carries out high temperature treatment, makes pitch solidify fast, recycles heat energy, the cost is reduced.
Description
Technical Field
The invention relates to the technical field of road repair, in particular to a highway asphalt pavement crack repairing device and a highway asphalt pavement crack repairing method.
Background
Asphalt pavement is various types of pavement paved by mixing road asphalt materials into mineral materials, and asphalt binders improve the capability of paving granules to resist damage to the pavement caused by driving and natural factors, so that the pavement is flat, dust-free, waterproof and durable, and therefore, the asphalt pavement is one of the most widely used advanced pavements in road construction.
The crack is one of the most common, most easy occurrence and earliest generated diseases in various damages of the asphalt pavement, and the failure in repairing the crack can cause rainwater to be poured into a pavement structural layer, so that more serious peeling, loosening, pit and other diseases are developed, the service life of the road is greatly reduced, and the current crack repairing process is generally determined according to the width and depth of the crack and is mainly divided into a non-grooving repairing method (traditional repairing method) and a grooving repairing method.
At present, when repairing cracks, the cracks are filled with new asphalt, but the mode needs to carry a large amount of tools and equipment, the filling of the cracks needs to be assisted by a special device when filling, time and labor are wasted, the method is inconvenient, the asphalt cannot be quickly solidified after filling is finished, heating treatment is needed, and a large amount of heat energy is consumed and the cost is high through the heating equipment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a highway asphalt pavement crack repairing device and a repairing method, which solve the problems that a large amount of tools and equipment are carried in filling cracks through new asphalt, the filling of the cracks is assisted by a special device during filling, time and labor are wasted, inconvenience is brought, the asphalt cannot be quickly solidified after filling is finished, heating treatment is needed, a large amount of heat energy is consumed through heating equipment, and the cost is low.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a highway bituminous pavement crack prosthetic devices, includes the frame, the inboard left end of frame is provided with heat treatment mechanism, the inboard right-hand member of frame is provided with grinding machanism, the inboard middle part of frame is provided with high temperature treatment mechanism, the top of frame is provided with actuating mechanism, the right side fixedly connected with mechanical control mechanism of frame;
the heat treatment mechanism comprises a funnel, the inboard bottom left end of frame rotates and is connected with the funnel, the top intercommunication of funnel has the hollow barrel, be provided with the cavity between the interior outer wall of hollow barrel is adjacent, the inboard of cavity is provided with the heater strip, the top fixedly connected with sealing ring of cavity, the upper portion rotates and is connected with hollow ring in the outer wall of hollow barrel, one side intercommunication of hollow ring has the hose, be provided with the check valve on the hose, the top left end fixedly connected with telescopic link of frame, the output fixedly connected with connecting rod of telescopic link, the bottom fixedly connected with metal closure of connecting rod, the outer wall middle part fixedly connected with worm wheel of funnel, the inboard bottom left end fixedly connected with servo motor of frame, servo motor's output fixedly connected with worm.
Preferably, the high temperature processing mechanism comprises a square frame, the middle part of the bottom end of the inner side of the frame is provided with the square frame, the middle part of the square frame is slidably connected with a square box, the middle part of the top end of the frame is connected with a threaded column in a threaded manner, the bottom end of the threaded column is rotationally connected with the middle part of the top end of the square box, and the top end of the threaded column is fixedly connected with a gear.
Preferably, the polishing mechanism comprises a stepping motor, the right side of the top of the frame is fixedly connected with the stepping motor, the output end of the stepping motor penetrates through the frame and is fixedly connected with a rotating rod, and the output end of the rotating rod penetrates through the bottom of the frame and is fixedly connected with a polishing sheet.
Preferably, the driving mechanism comprises a chute, a chute is arranged at the rear side of the top of the frame, two sliding blocks are connected to the chute in a sliding manner, the tops of the sliding blocks are respectively and fixedly connected to the left end and the right end of the bottom of the rack, and a push rod is fixedly connected to the right side of the rack.
Preferably, the mechanical control mechanism comprises a bending rod, the right top of the frame is fixedly connected with the bending rod, and the top end of the bending rod is fixedly connected with a handle.
Preferably, the heat treatment mechanism further comprises a limiting plate and an agitating plate, the rear end of the worm is rotationally connected with the limiting plate, the bottom of the limiting plate is fixedly connected to the left side of the rear end of the inner side bottom of the frame, and the middle lower portion of the connecting rod is fixedly connected with a plurality of groups of agitating plates.
Preferably, the high-temperature treatment mechanism further comprises a guide block and a built-in groove, the guide block is fixedly connected to the periphery of the outer wall of the square box, and the built-in groove is formed in the periphery of the inner wall of the square frame.
Preferably, the worm is in meshed connection with the worm wheel, and the rack is in meshed connection with the gear.
Preferably, the right side fixedly connected with controller in top front end of frame, the controller respectively with battery, heater strip, servo motor and step motor electric connection, the equal fixedly connected with of front and back side top of frame holds up the pole, the equal fixedly connected with universal wheel in four corner departments in bottom of frame.
Preferably, the repairing method of the highway asphalt pavement crack repairing device comprises the following steps:
s1, placing asphalt into a hollow barrel, and heating by matching with a heating wire;
s2, driving the worm to rotate by using the servo motor to drive, so that the worm wheel drives the funnel to rotate, thereby enabling the hollow barrel to rotate, and stirring under the action of the stirring plate;
s3, the output end of the telescopic rod is matched to stretch, so that the metal block moves up and down to block, and asphalt is leaked;
s4, the gear is driven to rotate by matching with the rack, so that the threaded column moves up and down in a rotating mode, the square box descends to cover the crack, high-temperature treatment is carried out by matching with the heat energy flow heated by the heating wire, and asphalt is quickly solidified.
Working principle: through putting into the hollow bucket with pitch, the cooperation heater strip heats, use servo motor to drive the worm and rotate and carry out the transmission, make the worm wheel drive funnel rotate, thereby make the hollow bucket rotate, stir under stirring board's effect, the output of cooperation telescopic link is flexible again, thereby make the metal chock block reciprocate and block up, thereby make pitch let down, labour saving and time saving, it is more convenient, and drive gear rotation through the rack, make the screw thread post rotate and reciprocate, thereby make square box decline cover on the crack, the heat energy flow of cooperation heater strip heating carries out high temperature treatment, make pitch solidify fast, with heat energy cyclic utilization, the cost is reduced.
The invention provides a highway asphalt pavement crack repairing device and a highway asphalt pavement crack repairing method. The beneficial effects are as follows:
1. according to the invention, asphalt is placed into the hollow barrel, heated by matching with the heating wire, the worm is driven to rotate by using the servo motor to drive the worm to rotate, so that the worm wheel drives the funnel to rotate, the hollow barrel rotates, stirring is performed under the action of the stirring plate, and the output end of the telescopic rod is matched to stretch out and draw back, so that the metal blocking block moves up and down to block, thereby enabling asphalt to fall down, saving time and labor and being more convenient.
2. According to the invention, the gear is driven to rotate by the rack, so that the threaded column rotates to move up and down, the square box is lowered to cover the crack, and the heat energy heated by the heating wire is matched to flow for high-temperature treatment, so that asphalt is quickly solidified, the heat energy is recycled, and the cost is reduced.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a side view of the present invention;
FIG. 5 is a partial exploded view of the present invention;
FIG. 6 is a partial bottom view of the present invention;
FIG. 7 is a partial structural representation of the present invention;
fig. 8 is an enlarged view of the structure at a of the present invention.
Wherein, 1, a frame; 2. a heat treatment mechanism; 201. a funnel; 202. a hollow barrel; 203. a telescopic rod; 204. a connecting rod; 205. a cavity; 206. a heating wire; 207. a hollow ring; 208. a hose; 209. a one-way valve; 210. a metal block; 211. a worm wheel; 212. a servo motor; 213. a worm; 214. a limiting plate; 215. a storage battery; 216. a seal ring; 217. an agitating plate; 3. a high temperature treatment mechanism; 301. a square frame; 302. square box; 303. a threaded column; 304. a gear; 305. a guide block; 306. a built-in groove; 4. a polishing mechanism; 401. a stepping motor; 402. a rotating rod; 403. polishing the sheet; 5. a driving mechanism; 501. a chute; 502. a slide block; 503. a rack; 504. a push rod; 6. a mechanical control mechanism; 601. bending the rod; 602. a handle; 7. a universal wheel; 8. a controller; 9. and (5) a handrail.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
referring to fig. 1-8, an embodiment of the invention provides a highway asphalt pavement crack repairing device, which comprises a frame 1, wherein a heat treatment mechanism 2 is arranged at the left end of the inner side of the frame 1, a polishing mechanism 4 is arranged at the right end of the inner side of the frame 1, a high-temperature treatment mechanism 3 is arranged in the middle of the inner side of the frame 1, a driving mechanism 5 is arranged at the top of the frame 1, and a mechanical control mechanism 6 is fixedly connected to the right side of the frame 1;
the heat treatment mechanism 2 comprises a funnel 201, the left end of the inner side bottom of the frame 1 is rotationally connected with the funnel 201, the top of the funnel 201 is communicated with a hollow barrel 202, a cavity 205 is arranged between adjacent inner and outer walls of the hollow barrel 202, a heating wire 206 is arranged on the inner side of the cavity 205, a sealing ring 216 is fixedly connected to the top of the cavity 205, a hollow ring 207 is rotationally connected to the middle upper part of the outer wall of the hollow barrel 202, a hose 208 is communicated with one side of the hollow ring 207, a one-way valve 209 is arranged on the hose 208, the left end of the top of the frame 1 is fixedly connected with a telescopic rod 203, the output end of the telescopic rod 203 is fixedly connected with a connecting rod 204, the bottom of the connecting rod 204 is fixedly connected with a metal block 210, a worm gear 211 is fixedly connected to the middle part of the outer wall of the funnel 201, a servo motor 212 is fixedly connected to the left end of the inner side bottom of the frame 1, and a worm 213 is fixedly connected to the output end of the servo motor 212.
Through putting pitch into hollow barrel 202, cooperation heater strip 206 heats, uses servo motor 212 to drive worm 213 and rotates and transmit, makes worm wheel 211 drive funnel 201 rotate to make hollow barrel 202 rotate, stir under stirring plate 217's effect, the output of cooperation telescopic link 203 is flexible again, thereby makes metal block 210 reciprocate and blocks up, thereby makes pitch let out, labour saving and time saving, it is more convenient.
The high temperature processing mechanism 3 includes square frame 301, and the inboard bottom middle part of frame 1 is provided with square frame 301, and square box 302 is connected with in the middle part sliding of square frame 301, and the top middle part threaded connection of frame 1 has screw thread post 303, and the bottom of screw thread post 303 rotates the top middle part of connecting at square box 302, and the top fixedly connected with gear 304 of screw thread post 303.
The gear 304 is driven to rotate by the rack 503, so that the threaded column 303 moves up and down in a rotating manner, the square box 302 descends to cover the crack, the heat energy flow heated by the heating wire 206 is matched for high-temperature treatment, asphalt is quickly solidified, the heat energy is recycled, and the cost is reduced.
The polishing mechanism 4 comprises a stepping motor 401, the right side of the top of the frame 1 is fixedly connected with the stepping motor 401, the output end of the stepping motor 401 penetrates through the frame 1 and is fixedly connected with a rotating rod 402, and the output end of the rotating rod 402 penetrates through the bottom of the frame 1 and is fixedly connected with a polishing sheet 403.
The rotating rod 402 is driven to rotate by the stepping motor 401, so that the rotating rod 402 drives the polishing sheet 403 to polish, and the unevenness of the road surface after filling is avoided.
The driving mechanism 5 comprises a chute 501, the rear side of the top of the frame 1 is provided with the chute 501, two sliding blocks 502 are connected to the chute 501 in a sliding manner, the tops of the sliding blocks 502 are respectively and fixedly connected to the left end and the right end of the bottom of the rack 503, and a push rod 504 is fixedly connected to the right side of the rack 503.
By moving the rack 503 left and right, the rack 503 can rotate the drive gear 304.
The mechanical control mechanism 6 comprises a bending rod 601, the right top of the frame 1 is fixedly connected with the bending rod 601, and the top end of the bending rod 601 is fixedly connected with a handle 602.
The handle 602 is conveniently used for push-pull movement.
The heat treatment mechanism 2 further comprises a limiting plate 214 and an agitating plate 217, the rear end of the worm 213 is rotatably connected with the limiting plate 214, the bottom of the limiting plate 214 is fixedly connected to the left side of the rear end of the inner bottom of the frame 1, and the middle lower portion of the connecting rod 204 is fixedly connected with a plurality of groups of agitating plates 217.
Through the installation of limiting plate 214, make worm 213 rotate more smooth, stir the board 217 simultaneously and stir and make pitch heating rate faster.
The high temperature processing mechanism 3 further comprises a guide block 305 and a built-in groove 306, the guide block 305 is fixedly connected to the periphery of the outer wall of the square box 302, and the built-in groove 306 is arranged on the periphery of the inner wall of the square frame 301.
The square box 302 is moved more smoothly by the arrangement of the guide block 305 and the built-in groove 306.
The worm 213 is engaged with the worm wheel 211, and the rack 503 is engaged with the gear 304.
The transmission is conveniently carried out through engagement connection.
The right side of the front end of the top of the frame 1 is fixedly connected with a controller 8, the controller 8 is respectively electrically connected with a storage battery 215, a heating wire 206, a servo motor 212 and a stepping motor 401, the front side and the rear side of the frame 1 are respectively fixedly connected with a handrail 9, and the four corners of the bottom of the frame 1 are respectively fixedly connected with universal wheels 7.
The operations of the battery 215, the heating wire 206, the servo motor 212, and the stepping motor 401 are controlled by the controller 8, respectively.
A repairing method of a highway asphalt pavement crack repairing device comprises the following steps:
s1, placing asphalt into a hollow barrel 202, and heating by matching with a heating wire 206;
s2, a servo motor 212 is used for driving a worm 213 to rotate for transmission, so that a worm wheel 211 drives a funnel 201 to rotate, and thus a hollow barrel 202 rotates and is stirred under the action of a stirring plate 217;
s3, the output end of the telescopic rod 203 is matched to stretch, so that the metal block 210 moves up and down to block, and asphalt is leaked;
s4, the gear 304 is driven to rotate by the cooperation of the rack 503, so that the threaded column 303 rotates to move up and down, the square box 302 descends to cover the crack, and the heat energy flow heated by the heating wire 206 is matched for high-temperature treatment, so that asphalt is quickly solidified.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a highway bituminous pavement crack repairing device, includes frame (1), its characterized in that, the inboard left end of frame (1) is provided with heat treatment mechanism (2), the inboard right-hand member of frame (1) is provided with grinding machanism (4), the inboard middle part of frame (1) is provided with high temperature treatment mechanism (3), the top of frame (1) is provided with actuating mechanism (5), the right side fixedly connected with mechanical control mechanism (6) of frame (1);
the utility model provides a heat treatment mechanism (2) including funnel (201), the inboard bottom left end rotation of frame (1) is connected with funnel (201), the top intercommunication of funnel (201) has hollow barrel (202), be provided with cavity (205) between the interior outer wall of hollow barrel (202) is adjacent, the inboard of cavity (205) is provided with heater strip (206), the top fixedly connected with sealing ring (216) of cavity (205), upper portion rotation is connected with hollow ring (207) in the outer wall of hollow barrel (202), one side intercommunication of hollow ring (207) has hose (208), be provided with check valve (209) on hose (208), the top left end fixedly connected with telescopic link (203) of frame (1), the output fixedly connected with connecting rod (204) of telescopic link (203), the bottom fixedly connected with metal block (210) of connecting rod (204), the outer wall middle part fixedly connected with servo motor (212) of inner side bottom left end fixedly connected with servo motor (212) of frame (1), output fixedly connected with worm (213).
2. The highway asphalt pavement crack repairing device according to claim 1, wherein the high-temperature treatment mechanism (3) comprises a square frame (301), the middle part of the bottom end of the inner side of the frame (1) is provided with the square frame (301), the middle part of the square frame (301) is slidably connected with a square box (302), the middle part of the top end of the frame (1) is in threaded connection with a threaded column (303), the bottom end of the threaded column (303) is in rotary connection with the middle part of the top end of the square box (302), and the top end of the threaded column (303) is fixedly connected with a gear (304).
3. The highway asphalt pavement crack repairing device according to claim 1, wherein the polishing mechanism (4) comprises a stepping motor (401), the stepping motor (401) is fixedly connected to the right side of the top of the frame (1), the output end of the stepping motor (401) penetrates through the frame (1) and is fixedly connected with a rotating rod (402), and the output end of the rotating rod (402) penetrates through the bottom of the frame (1) and is fixedly connected with a polishing sheet (403).
4. The highway asphalt pavement crack repairing device according to claim 1, wherein the driving mechanism (5) comprises a chute (501), the rear side of the top of the frame (1) is provided with the chute (501), two sliding blocks (502) are slidably connected on the chute (501), the top of each sliding block (502) is fixedly connected with the left end and the right end of the bottom of a rack (503), and the right side of the rack (503) is fixedly connected with a push rod (504).
5. The highway asphalt pavement crack repairing device according to claim 1, wherein the mechanical control mechanism (6) comprises a bending rod (601), the bending rod (601) is fixedly connected to the right top of the frame (1), and a handle (602) is fixedly connected to the top end of the bending rod (601).
6. The highway asphalt pavement crack repairing device according to claim 1, wherein the heat treatment mechanism (2) further comprises a limiting plate (214) and an agitating plate (217), the rear end of the worm (213) is rotatably connected with the limiting plate (214), the bottom of the limiting plate (214) is fixedly connected to the left side of the rear end of the inner bottom of the frame (1), and a plurality of groups of agitating plates (217) are fixedly connected to the middle lower portion of the connecting rod (204).
7. The highway asphalt pavement crack repairing device according to claim 2, wherein the high-temperature treatment mechanism (3) further comprises a guide block (305) and an internal groove (306), the guide block (305) is fixedly connected to the periphery of the outer wall of the square box (302), and the internal groove (306) is arranged on the periphery of the inner wall of the square frame (301).
8. The highway asphalt pavement crack repairing device according to claim 4, wherein the worm (213) is in meshed connection with the worm wheel (211), and the rack (503) is in meshed connection with the gear (304).
9. The highway asphalt pavement crack repairing device according to claim 1, wherein a controller (8) is fixedly connected to the right side of the front end of the top of the frame (1), the controller (8) is respectively electrically connected with a storage battery (215), a heating wire (206), a servo motor (212) and a stepping motor (401), the support rods 9 () are fixedly connected to the top of the front side and the rear side of the frame (1), and universal wheels (7) are fixedly connected to four corners of the bottom of the frame (1).
10. A repairing method of a highway asphalt pavement crack repairing device is characterized by comprising the following steps: a highway asphalt pavement crack repair device applied to the claims 1-9, comprising the following steps:
s1, placing asphalt into a hollow barrel (202) and heating by matching with a heating wire (206);
s2, driving a worm (213) to rotate by using a servo motor (212) to drive, so that a worm wheel (211) drives a funnel (201) to rotate, thereby enabling a hollow barrel (202) to rotate, and stirring under the action of a stirring plate (217);
s3, the output end of the telescopic rod (203) is matched to stretch, so that the metal block (210) moves up and down to block, and asphalt is leaked;
s4, the gear (304) is driven to rotate by matching with the rack (503), so that the threaded column (303) rotates to move up and down, the square box (302) descends to cover the crack, and high-temperature treatment is carried out by matching with the heat energy flow heated by the heating wire (206), so that asphalt is quickly solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310518536.1A CN116607377A (en) | 2023-05-06 | 2023-05-06 | Highway asphalt pavement crack repairing device and repairing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310518536.1A CN116607377A (en) | 2023-05-06 | 2023-05-06 | Highway asphalt pavement crack repairing device and repairing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116607377A true CN116607377A (en) | 2023-08-18 |
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ID=87675748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310518536.1A Withdrawn CN116607377A (en) | 2023-05-06 | 2023-05-06 | Highway asphalt pavement crack repairing device and repairing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN116607377A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071390A (en) * | 2023-10-18 | 2023-11-17 | 江苏金堰交通工程有限公司 | Road crack repairing device for traffic engineering |
-
2023
- 2023-05-06 CN CN202310518536.1A patent/CN116607377A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117071390A (en) * | 2023-10-18 | 2023-11-17 | 江苏金堰交通工程有限公司 | Road crack repairing device for traffic engineering |
| CN117071390B (en) * | 2023-10-18 | 2023-12-22 | 江苏金堰交通工程有限公司 | Road crack repairing device for traffic engineering |
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Application publication date: 20230818 |