CN219824945U - Highway bridge expansion joint damage maintenance prosthetic devices - Google Patents
Highway bridge expansion joint damage maintenance prosthetic devices Download PDFInfo
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- CN219824945U CN219824945U CN202320477603.5U CN202320477603U CN219824945U CN 219824945 U CN219824945 U CN 219824945U CN 202320477603 U CN202320477603 U CN 202320477603U CN 219824945 U CN219824945 U CN 219824945U
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- expansion joint
- wheel
- fixedly connected
- crushing
- highway bridge
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- 230000006378 damage Effects 0.000 title claims abstract description 18
- 238000012423 maintenance Methods 0.000 title claims abstract description 16
- 210000001503 joint Anatomy 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 38
- 238000004804 winding Methods 0.000 claims description 32
- 239000000428 dust Substances 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 16
- 238000010276 construction Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 239000007779 soft material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of engineering construction equipment, in particular to a highway bridge expansion joint damage maintenance repair device which comprises a case, a crushing cavity, a crushing wheel, a top plate, a hydraulic lifting rod, a guide wheel, a connecting frame and travelling wheels. The utility model has simple and reasonable structure, can effectively remove the impurities in the expansion joint, and effectively ensures that the device moves straight along the expansion joint when running.
Description
Technical Field
The utility model relates to the technical field of engineering construction equipment, in particular to a highway bridge expansion joint damage maintenance repair device.
Background
The expansion joint of a building, namely, an expansion joint, is a structural joint which is arranged along a proper position along the direction of a building or a construction joint of a structure in order to prevent a building member from generating cracks or damages due to climate temperature changes (thermal expansion and cold contraction). The highway bridge is provided with the expansion joint in setting up, and can fall into impurity such as stone, clod in the expansion joint in highway bridge use for a long time, stop up the expansion joint, make the expansion joint lose original function, endanger the safety in utilization of highway bridge, and the impurity in the manual work handling expansion joint, waste time and energy, use the broken machinery of cutting to clear up impurity in the expansion joint, it moves along expansion joint straight line when the equipment operation to hardly pack again, once deviate from the straight line operation and cause the destruction to the expansion joint easily, secondly when repairing the expansion joint, usually need fill protective material in the expansion joint temporarily, prevent impurity entering expansion joint in, then repair construction to the expansion joint, conventionally use is temporary material such as foam strip, but temporary material such as foam strip hardly has sufficient overall material, usually, not only fill in segments, demolish inconveniently, still can produce impurity such as garrulous when demolishing, very trouble.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a highway bridge expansion joint damage maintenance repair device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a highway bridge expansion joint damage maintenance prosthetic devices, includes quick-witted case, crushing chamber, broken wheel, roof, hydraulic lifting rod, leading wheel, linking frame, walking wheel, the machine case front end is provided with the crushing chamber, the broken wheel sets up in the crushing chamber, broken chamber top fixedly connected with hydraulic lifting rod, hydraulic lifting rod top fixedly connected with roof, the broken wheel rotates to be connected in the roof below, the linking frame articulates at the machine case front end, linking frame front end is provided with the crossbeam, the leading wheel rotates to be connected in the crossbeam below, machine case bottom symmetry rotates to be connected with the walking wheel;
when the expansion joint is cleaned, the hydraulic lifting rod can be lifted to drive the crushing wheel to lift, the height of the hydraulic lifting rod is adjusted, the crushing wheel can just stretch into the expansion joint, the crushing wheel works to break up impurities in the expansion joint, the follow-up cleaning is convenient, meanwhile, the guide wheel is pressed into the expansion joint at the front end of the chassis, the guide wheel is clamped in the expansion joint and can fix the travel route of the chassis, and when the chassis moves through the travel wheel, the chassis can always keep straight movement along the expansion joint, and damage to the expansion joint caused by deviation of the crushing wheel from straight line operation is effectively prevented;
preferably, the bottom of the top plate is fixedly connected with a motor bin, the crushing wheel is rotationally connected below the motor bin, a driving motor is arranged in the motor bin, the driving motor is connected with the crushing wheel through a transmission chain, and the driving motor can drive the crushing wheel to rotate;
preferably, the bottom of the cross beam is fixedly connected with a vertical beam, the top of the guide wheel is provided with a supporting plate, the top of the supporting plate is fixedly connected with the bottom of the vertical beam, the bottom of the supporting plate is fixedly connected with two clamping plates, the guide wheel is rotationally connected between the two clamping plates, the outer sides of the two clamping plates are respectively fixedly connected with a first spring, the outer sides of the first springs are fixedly connected with side plates, the top of the side plates is slidingly connected on the supporting plate, two sides of the supporting plate are fixedly connected with limiting plates, the outer side walls of the side plates are rotationally connected with a plurality of side rolling shafts, when the guide wheel is required to enter an expansion joint, the two side plates are extruded, so that the guide wheel is pressed into the expansion joint, and due to the arrangement of the first springs, the two side plates can be clung to the side walls of the expansion joint, so that the chassis can always keep moving straightly along the expansion joint when the chassis moves through the travelling wheels, and the outer side walls of the side plates are rotationally connected with a plurality of side rolling shafts, and the guide wheel is convenient to move in the expansion joint;
preferably, two baffles are symmetrically arranged on two sides of a crushing wheel in the crushing cavity, a first limit bin is arranged at the top of each baffle, a plurality of second springs are fixedly connected to the top of each first limit bin at equal intervals, a first sliding plate is fixedly connected to the bottom of each second spring, the first sliding plates are slidably connected to the first limit bins, the baffles are fixedly connected to the bottoms of the first sliding plates, rollers are rotatably connected to the bottoms of the baffles, when the crushing wheel enters an expansion joint to work, the baffles can effectively protect the machine case and prevent the crushed impurities of the crushing wheel from collapsing the machine case, and the bottoms of the baffles are rotatably connected with the rollers, so that the baffles can move along the two sides of the expansion joint along with the machine case, and the first sliding plates, the second springs and the first limit bin arranged above the baffles can slide up and down so as to adapt to road surfaces with different heights on the two sides of the expansion joint, and the protection effect is ensured;
preferably, a second limit bin is arranged at the bottom of the rear end of the case, a third spring is fixedly connected to the inner top of the second limit bin, a second sliding plate is fixedly connected to the bottom of the third spring, the second sliding plate is slidably connected in the second limit bin, a wiping wheel is rotationally connected below the second sliding plate, soft materials such as sponge are wrapped on the wiping wheel, the wiping wheel can extend into the cleaned expansion joint, the wiping wheel can wipe the expansion joint along with the movement of the case, the expansion joint can be further cleaned, or protective liquid is added on the wiping wheel, the expansion joint is wiped with the protective liquid, and the second sliding plate, the third spring and the second limit bin arranged above the wiping wheel ensure that the wiping wheel can slide up and down, so that the wiping wheel is buffered, and the wiping wheel can adapt to the expansion joints with different depths;
preferably, a dust collection bin is arranged in the case, a dust collection hose is fixedly connected to the bottom of the case, a dust collector is arranged in the dust collection bin, the dust collection hose is communicated with the aspirator, and the dust collector can effectively clean impurities in the expansion joint, which are crushed by the crushing wheel, by matching with the dust collection hose;
preferably, the machine case top fixedly connected with winding shaft base, it is connected with the winding shaft to rotate on the winding shaft base, the winding has the sealing strip on the winding shaft, the sealing strip can be made by soft materials such as rubber, can make the shape that adapts to the expansion joint, when need fill protective material in the expansion joint temporarily to the expansion joint maintenance, follow winding shaft and extract the sealing strip, press the sealing strip head in the expansion joint, press the leading wheel on the sealing strip, the machine case moves to the rear side, the winding shaft rotates, the sealing strip lasts the ejection of compact, can be very convenient imbeds holistic sealing strip in the expansion joint, when collecting the sealing strip, twine the winding shaft with the sealing strip, rotate the winding shaft, the machine case moves forward the side simultaneously, can conveniently collect the sealing strip.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the scheme, impurities in the expansion joint can be broken up and scattered when the crushing wheel works, subsequent cleaning is facilitated, meanwhile, the guide wheel is pressed into the expansion joint at the front end of the chassis, the guide wheel is clamped in the expansion joint, the travel route of the chassis can be fixed, and when the chassis moves through the travel wheel, the chassis can always keep moving straight along the expansion joint, so that damage to the expansion joint caused by deviation of the crushing wheel from straight line operation is effectively prevented;
2. in this scheme when need fill protective material in the expansion joint temporarily to the expansion joint repair, follow winding epaxial extraction sealing strip, in impressing the expansion joint with the sealing strip head, press the leading wheel on the sealing strip, quick-witted case moves to the rear side, and winding axle rotates, and the sealing strip lasts the ejection of compact, can be very convenient imbeds holistic sealing strip in the expansion joint, when collecting the sealing strip, twines the sealing strip on winding epaxial, rotates winding axle, and quick-witted case moves forward side simultaneously, can be convenient collect the sealing strip.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a portion of the utility model at B in FIG. 1;
FIG. 3 is a front side view of the present utility model;
FIG. 4 is a perspective view, in cross-section, of the view A-A of FIG. 3 in accordance with the present utility model;
fig. 5 is a schematic view of another angle structure of the present utility model.
In the figure: 1. a chassis; 2. a crushing cavity; 3. a crushing wheel; 4. a top plate; 5. a hydraulic lifting rod; 6. a guide wheel; 7. a connection frame; 8. a winding shaft; 9. a baffle; 10. a dust collection hose; 11. a wiping wheel; 12. a walking wheel; 31. a motor bin; 61. a support plate; 62. a clamping plate; 63. a side plate; 64. a limiting plate; 631. a side roller; 632. a first spring; 71. a cross beam; 72. a vertical beam; 81. a winding shaft base; 91. the first limit bin; 92. a first slide plate; 93. a second spring; 94. a roller; 101. a dust collection bin; 111. the second limit bin; 112. a second slide plate; 113. and a third spring.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The highway bridge expansion joint damage maintenance repair device comprises a case 1, a crushing cavity 2, a crushing wheel 3, a top plate 4, a hydraulic lifting rod 5, a guide wheel 6, a connecting frame 7 and travelling wheels 12, wherein the crushing cavity 2 is arranged at the front end of the case 1, the crushing wheel 3 is arranged in the crushing cavity 2, the hydraulic lifting rod 5 is fixedly connected to the top of the crushing cavity 2, the top of the hydraulic lifting rod 5 is fixedly connected with the top plate 4, the crushing wheel 3 is rotatably connected to the lower part of the top plate 4, the connecting frame 7 is hinged to the front end of the case 1, a cross beam 71 is arranged at the front end of the connecting frame 7, the guide wheel 6 is rotatably connected to the lower part of the cross beam 71, and the travelling wheels 12 are symmetrically rotatably connected to the bottom of the case 1;
when the expansion joint is cleaned, the hydraulic lifting rod 5 can lift to drive the crushing wheel 3 to lift, the height of the hydraulic lifting rod 5 is adjusted, the crushing wheel 3 can just stretch into the expansion joint, the crushing wheel 3 works to break up impurities in the expansion joint, subsequent cleaning is convenient, meanwhile, the guide wheel 6 is pressed into the expansion joint at the front end of the chassis 1, the guide wheel 6 is clamped in the expansion joint and can fix the travel route of the chassis 1, when the chassis 1 moves through the travel wheel 12, the chassis can always keep moving straight along the expansion joint, and the crushing wheel 3 is effectively prevented from damaging the expansion joint due to deviation from straight line operation;
specifically, the bottom of the top plate 4 is fixedly connected with a motor bin 31, the crushing wheel 3 is rotationally connected below the motor bin 31, a driving motor is arranged in the motor bin 31, the driving motor is connected with the crushing wheel 3 through a transmission chain, and the driving motor can drive the crushing wheel 3 to rotate;
specifically, the bottom of the cross beam 71 is fixedly connected with the vertical beam 72, the top of the guide wheel 6 is provided with the support plate 61, the top of the support plate 61 is fixedly connected with the bottom of the vertical beam 72, the bottom of the support plate 61 is fixedly connected with two clamping plates 62, the guide wheel 6 is rotationally connected between the two clamping plates 62, the outer sides of the two clamping plates 62 are respectively fixedly connected with a first spring 632, the outer sides of the first springs 632 are fixedly connected with side plates 63, the top of the side plates 63 are slidably connected to the support plate 61, two sides of the support plate 61 are fixedly connected with limiting plates 64, the outer side walls of the side plates 63 are rotationally connected with a plurality of side rollers 631, when the guide wheel 6 is required to enter an expansion joint, the two side plates 63 are extruded, so that the guide wheel 6 is pressed into the expansion joint, due to the arrangement of the first springs 632, the two side plates 63 can be tightly attached to the side walls of the expansion joint, the case 1 can be always kept to move along the expansion joint straightly when moving through travelling wheels, and the outer side walls of the side plates 63 are rotationally connected with the plurality of side rollers 631, and the movement of the guide wheel 6 in the expansion joint is facilitated;
specifically, two baffles 9 are symmetrically arranged on two sides of the crushing wheel 3 in the crushing cavity 2, a first limit bin 91 is arranged at the top of each baffle 9, a plurality of second springs 93 are fixedly connected to the top of each first limit bin 91 at equal intervals, a first slide plate 92 is fixedly connected to the bottom of each second spring 93, the first slide plate 92 is slidably connected to the first limit bin 92, each baffle 9 is fixedly connected to the bottom of each first slide plate 92, rollers 94 are rotationally connected to the bottom of each baffle 9, when the crushing wheel 3 enters an expansion joint to work, the baffles 9 can effectively protect the case 1, impurities broken by the crushing wheel are prevented from collapsing the case 1, rollers 94 are rotationally connected to the bottom of each baffle 9, the baffles 9 can move along the case 1 on two sides of the expansion joint, the first slide plates 92, the second springs 93 and the first limit bin 91 arranged above the baffles 9 can slide up and down so as to adapt to road surfaces with different heights on the two sides of the expansion joint, and the protection effect is ensured;
specifically, a second limit bin 111 is arranged at the bottom of the rear end of the chassis 1, a third spring 113 is fixedly connected to the inner top of the second limit bin 111, a second slide plate 112 is fixedly connected to the bottom of the third spring 113, the second slide plate 112 is slidably connected to the second limit bin 111, a wiping wheel 11 is rotatably connected below the second slide plate 112, soft materials such as sponge are wrapped on the wiping wheel 11, the wiping wheel 11 can extend into the cleaned expansion joint, the wiping wheel 11 can wipe the expansion joint along with the movement of the chassis 1, the expansion joint can be further cleaned, or a protective liquid is added to the wiping wheel 11 to wipe the expansion joint with the protective liquid, and the second slide plate 112, the third spring 113 and the second limit bin 111 arranged above the wiping wheel 11 ensure that the wiping wheel 11 can slide up and down, so that buffering is provided for the wiping wheel 11, and the expansion joint with different depths can be adapted;
specifically, a dust collection bin 101 is arranged in the case 1, a dust collection hose 10 is fixedly connected to the bottom of the case 1, a dust collector is arranged in the dust collection bin 101, the dust collection hose 10 is communicated with the aspirator, and the dust collector is matched with the dust collection hose 10 to effectively clean impurities in an expansion joint, which are crushed by the crushing wheel 3;
specifically, the top fixedly connected with winding shaft base 81 of machine case 1, it is connected with winding shaft 8 to rotate on the winding shaft base 81, the winding has the sealing strip on the winding shaft 8, the sealing strip can be made by soft materials such as rubber, can make the shape that adapts to the expansion joint, when need fill protective material in the expansion joint temporarily to the expansion joint maintenance, extract the sealing strip from winding shaft 8, press the sealing strip head in the expansion joint, press leading wheel 6 on the sealing strip, machine case 1 moves to the rear side, winding shaft 8 rotates, the sealing strip lasts the ejection of compact, can be very convenient imbeds holistic sealing strip in the expansion joint, when the sealing strip is collected, twine the sealing strip on winding shaft 8, rotate winding shaft 8, machine case 1 moves forward side simultaneously, collect the sealing strip that can be convenient.
The working principle of the utility model is as follows:
during operation, the hydraulic lifting rod 5 can drive the crushing wheel 3 to lift, the height of the hydraulic lifting rod 5 is adjusted, the crushing wheel 3 can just stretch into the expansion joint, at the moment, the crushing wheel 3 can work to break up impurities in the expansion joint, simultaneously, two side plates 63 are extruded, the guide wheel 6 is pressed into the expansion joint, because of the arrangement of the first spring 632, the two side plates 63 can be clung to the side walls of the expansion joint, when the machine case 1 moves through the travelling wheel 12, the machine case 1 can always keep straight movement along the expansion joint, a plurality of side rollers 631 are rotationally connected to the outer side walls of the side plates 63, the guide wheel 6 can conveniently move in the expansion joint, a dust collector is matched with a dust suction hose 10 to effectively clean impurities in the expansion joint, at this moment, the baffle 9 can effectively protect the machine case 1, prevent the crushed impurities of the crushing wheel 3 from damaging the machine case 1, the bottom of the baffle 9 is rotationally connected with the roller 94, the first sliding plate 92, the second spring 93 and the first limiting bin 91 are arranged above the baffle 9, the first sliding plate 9 can always keep straight movement along with the expansion joint, the expansion joint can be further cleaned, the expansion joint can be cleaned by the cleaning wheel 11, the cleaning wheel can be further cleaned by the cleaning wheel 11, the expansion joint can be cleaned by the cleaning wheel 11, the cleaning wheel can be cleaned by the cleaning wheel can be further cleaned, the expansion joint can be cleaned by the cleaning wheel 11 is cleaned, the expansion joint can be cleaned by the cleaning joint 11, the cleaning joint can be cleaned, the expansion joint can be cleaned, the two can be cleaned, and the joint can be cleaned and the gap is cleaned, and the 11 is cleaned and can is also is cleaned and the 11, and can is also is cleaned and can is in a different. Extracting the sealing strip from winding shaft 8, impressing the sealing strip head in the expansion joint, pressing leading wheel 6 on the sealing strip, quick-witted case 1 moves to the rear side, and winding shaft 8 rotates, and the sealing strip lasts the ejection of compact, and the sealing strip when collecting the sealing strip, twines the sealing strip on winding shaft 8, rotates winding shaft 8, and quick-witted case 1 moves to the front side simultaneously, can convenient collect the sealing strip with holistic sealing strip buries in the expansion joint.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a highway bridge expansion joint damage maintenance prosthetic devices, includes quick-witted case (1), broken chamber (2), broken wheel (3), roof (4), hydraulic lifting rod (5), leading wheel (6), connecting frame (7), walking wheel (12), its characterized in that: the utility model discloses a machine case (1) front end is provided with crushing chamber (2), broken wheel (3) set up in crushing chamber (2), broken chamber (2) top fixedly connected with hydraulic lifting rod (5), hydraulic lifting rod (5) top fixedly connected with roof (4), broken wheel (3) rotate and connect in roof (4) below, connecting frame (7) articulate at machine case (1) front end, connecting frame (7) front end is provided with crossbeam (71), leading wheel (6) rotate and connect in crossbeam (71) below, machine case (1) bottom symmetry rotation is connected with walking wheel (12).
2. The highway bridge expansion joint damage maintenance repair device according to claim 1, wherein: the novel crushing machine is characterized in that a motor bin (31) is fixedly connected to the bottom of the top plate (4), the crushing wheel (3) is rotationally connected to the lower portion of the motor bin (31), a driving motor is arranged in the motor bin (31), and the driving motor is connected with the crushing wheel (3) through a transmission chain.
3. The highway bridge expansion joint damage maintenance repair device according to claim 1, wherein: the utility model discloses a crossbeam, including crossbeam (71) bottom fixedly connected with vertical beam (72), leading wheel (6) top is provided with backup pad (61), backup pad (61) top and vertical beam (72) bottom fixed connection, backup pad (61) bottom fixedly connected with two splint (62), leading wheel (6) rotate and connect between two splint (62), two splint (62) outside fixedly connected with first spring (632) respectively, first spring (632) outside fixedly connected with curb plate (63), curb plate (63) top sliding connection is on backup pad (61), backup pad (61) both sides fixedly connected with limiting plate (64), rotate on curb plate (63) lateral wall and be connected with a plurality of side roller shafts (631).
4. The highway bridge expansion joint damage maintenance repair device according to claim 1, wherein: crushing wheel (3) bilateral symmetry is provided with two baffles (9) in broken chamber (2), baffle (9) top is provided with first spacing storehouse (91), a plurality of second springs (93) of top equidistance fixedly connected with in first spacing storehouse (91), first slide (92) of second spring (93) bottom fixedly connected with, first slide (92) sliding connection is in first spacing storehouse (91), baffle (9) fixed connection is in first slide (92) bottom, baffle (9) bottom rotation is connected with gyro wheel (94).
5. The highway bridge expansion joint damage maintenance repair device according to claim 1, wherein: the novel cleaning machine is characterized in that a second limiting bin (111) is arranged at the bottom of the rear end of the machine case (1), a third spring (113) is fixedly connected to the inner top of the second limiting bin (111), a second sliding plate (112) is fixedly connected to the bottom of the third spring (113), the second sliding plate (112) is slidably connected to the second limiting bin (111), a wiping wheel (11) is rotatably connected below the second sliding plate (112), and sponge is wrapped on the wiping wheel (11).
6. The highway bridge expansion joint damage maintenance repair device according to claim 1, wherein: the dust collection device is characterized in that a dust collection bin (101) is arranged inside the machine case (1), a dust collection hose (10) is fixedly connected to the bottom of the machine case (1), a dust collector is arranged in the dust collection bin (101), and the dust collection hose (10) is communicated with the aspirator.
7. The highway bridge expansion joint damage maintenance repair device according to claim 1, wherein: the top of the case (1) is fixedly connected with a winding shaft base (81), a winding shaft (8) is rotatably connected to the winding shaft base (81), and sealing strips are wound on the winding shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320477603.5U CN219824945U (en) | 2023-03-13 | 2023-03-13 | Highway bridge expansion joint damage maintenance prosthetic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320477603.5U CN219824945U (en) | 2023-03-13 | 2023-03-13 | Highway bridge expansion joint damage maintenance prosthetic devices |
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| Publication Number | Publication Date |
|---|---|
| CN219824945U true CN219824945U (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320477603.5U Active CN219824945U (en) | 2023-03-13 | 2023-03-13 | Highway bridge expansion joint damage maintenance prosthetic devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN219824945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118390422A (en) * | 2024-06-26 | 2024-07-26 | 青岛市市政工程设计研究院有限责任公司 | Bridge expansion joint filling machine |
-
2023
- 2023-03-13 CN CN202320477603.5U patent/CN219824945U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118390422A (en) * | 2024-06-26 | 2024-07-26 | 青岛市市政工程设计研究院有限责任公司 | Bridge expansion joint filling machine |
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