CN212153151U - Road and bridge crack filling and reinforcing mechanism - Google Patents

Road and bridge crack filling and reinforcing mechanism Download PDF

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Publication number
CN212153151U
CN212153151U CN202020774999.6U CN202020774999U CN212153151U CN 212153151 U CN212153151 U CN 212153151U CN 202020774999 U CN202020774999 U CN 202020774999U CN 212153151 U CN212153151 U CN 212153151U
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bridge
road
threaded rod
fixedly installed
mounting
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Expired - Fee Related
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CN202020774999.6U
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Chinese (zh)
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东希云
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Individual
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Individual
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Abstract

The utility model discloses a road and bridge crack filling strengthening mechanism, including bridge and mounting panel, sliding connection has the movable plate in the mounting panel, the axis department fixed mounting of the bottom surface of movable plate has the shell, fixed mounting has supporting mechanism in the shell, the equal fixed mounting in both ends of supporting mechanism has the backup pad, apply arbitrary rotatory effort in supporting mechanism, drive two backup pads and keep the ascending back of the body motion in horizontal direction, the shell internal rotation is connected with the threaded rod, the top fixed mounting of threaded rod has the connecting rod, the connecting rod once runs through the shell, movable plate and mounting panel, and extend to the outside of mounting panel, apply arbitrary rotatory effort on the connecting rod, the drive threaded rod keeps the horizontal rotation. The utility model provides a road and bridge crack filling and strengthening mechanism, inseparable packing consolidates the crack in the road and bridge, and is very good to the fissured reinforcement of bridge and supporting role to easy operation, convenient to use, the adaptability of mechanism is very strong.

Description

Road and bridge crack filling and reinforcing mechanism
Technical Field
The utility model relates to a bridge construction engineering technical field relates to a road and bridge crack filling strengthening mechanism particularly.
Background
A road bridge is generally composed of a plurality of parts such as a roadbed, a road surface, a bridge, a tunnel engineering and a traffic engineering facility, and is suitable for the modern high-speed developed traffic industry, the bridge can be a building which spans mountains, unfavorable geology or meets other traffic needs and enables traffic to be more convenient, the bridge is generally composed of an upper structure, a lower structure, a support and an accessory structure, the upper structure is also called a bridge span structure and is a main structure for crossing obstacles, the lower structure comprises a bridge abutment, a pier and a foundation, the support is a force transmission device arranged at the supporting position of the bridge span structure and the pier or the bridge abutment, the accessory structure is a bridge head butt plate, a conical protection slope, a revetment, a diversion engineering and the like, in the using process of the road bridge, due to long use time, cracks can be generated at the positions of the bridge due to long-time wind blowing and sun exposure, and the existence of the cracks can cause great potential safety, and repairing the bridge crack by using a crack filling and reinforcing mechanism.
The existing road and bridge crack processing method is mainly used for filling cracks at cracks by pouring concrete or asphalt, but the problem of cracks cannot be solved by the method, the concrete or the asphalt poured in the later period cannot be fused with the concrete asphalt paved during the previous bridge construction, so that the state of cracks still appears in the later period, and the existing method cannot play a role of fixed support, the cracks still can be continuously expanded in the later period, great potential safety hazards are caused, and daily travel of people is also influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problem that prior art exists, an aspect of the utility model aims at providing a road bridge crack filling strengthening mechanism, aims at solving, and current crack filling strengthening mechanism can not be fine carry out the fissured filling effect of bridge to can not carry out the problem of strengthening work to the crack.
Technical scheme
In order to achieve the above object, the utility model provides a road and bridge crack filling and reinforcing mechanism, including bridge and mounting panel, sliding connection has the movable plate in the mounting panel, the axis department of movable plate bottom surface is fixed and is installed the shell, fixed mounting has the supporting mechanism in the shell, the both ends of supporting mechanism are all fixed and are installed the backup pad, apply arbitrary rotational force in the supporting mechanism, drive two the backup pads keep the back-and-forth motion in the horizontal direction;
the utility model discloses a portable electronic device, including shell, movable plate, mounting panel, connecting rod, casing internal rotation are connected with threaded rod a, threaded rod a's top fixed mounting has the connecting rod, the connecting rod once runs through shell, movable plate and the mounting panel, and extend to the outside of mounting panel, apply arbitrary rotatory effort in on the connecting rod, drive threaded rod a keeps the horizontal rotation.
Preferably, the supporting mechanism comprises two mounting seats and a supporting plate, the two mounting seats are respectively fixedly provided with a fixed block on the inner wall of each mounting seat, springs are respectively fixedly arranged at the middle shafts of the outer walls of the two fixing blocks on the opposite sides, sliding blocks are respectively fixedly arranged at the other ends of the two springs, the two sliding blocks are respectively connected on the inner walls of the two mounting seats in a sliding manner, threaded rods b are respectively fixedly arranged at the middle shafts of the outer walls of the two sliding blocks on the opposite sides, the threaded rod b is in threaded connection with the outer walls of the two opposite sides of the mounting seats, the helical gear is fixedly mounted at the middle shaft of the threaded rod b, the outer walls of the two opposite sides of the mounting seats are symmetrically provided with limiting plates, the limiting plates are particularly L-shaped structures, and the L-shaped structures of the two limiting plates are clamped with the helical gears.
Preferably, one end of the mounting seat, which is far away from the threaded rod b, is specifically of a hollow structure, the outer wall of the mounting seat, which is opposite to the hollow structure, is symmetrically and threadedly connected with fixing screws, the middle shaft of the outer wall of one side of the supporting plate is fixedly provided with an insertion block, and the two fixing screws are threadedly connected with the outer walls of the two opposite sides of the insertion block to complete fixation in a matching manner.
Preferably, the outer wall of the threaded rod a is in threaded connection with a threaded sleeve, a helical rack is fixedly mounted on the outer wall of the threaded sleeve on the side far away from the threaded rod a, and the helical rack is meshed with a helical gear fixedly mounted in the supporting mechanism.
Preferably, the bottom end of the threaded rod a penetrates through and extends to the outer side of the shell, a screw rod is fixedly mounted on the threaded rod a, and the screw rod is clamped in the bridge.
Preferably, a hydraulic rod is fixedly installed at the middle shaft of the inner wall of one side of the installation plate, and the output end of the hydraulic rod is fixedly installed on the outer wall of one side of the moving plate.
Preferably, the top of the mounting plate is symmetrically provided with anchor rods in a penetrating manner, one ends of the anchor rods extend into the bridge, and the number of the anchor rods is several.
Preferably, the specific model of the hydraulic rod is QD 16-350.
Advantageous effects
Compared with the prior art, the utility model provides a pair of road and bridge crack filling and strengthening mechanism possesses following beneficial effect:
1. the utility model discloses a, inside is equipped with supporting mechanism, will pack the strengthening mechanism and support at the crack position, inside the reinforcement crack that can be fine to utilize the motor to drive the threaded rod and prick into bridge structures, carry out further reinforcement work, make the crack of bridge no longer expand, and convenient operation, the controllability is also very strong.
2. The utility model discloses a, before the support is done in the crack inside, utilize the stock to fix whole packing strengthening mechanism on the bridge, the bridge crack is consolidated in earlier one step, whole mechanism can pour concrete or pitch to inside after finishing fixedly, such pouring can be in the same place the inseparable connection of concrete or pitch and bridge that packing strengthening mechanism, later stage were pour, very firm.
3. The utility model discloses a, utilize the hydraulic stem can adjust inside supporting mechanism's position, can adjust out the best mounted position to not unidimensional crack, guarantee the completion nature of whole packing reinforcing mechanism installation.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the utility model in use;
fig. 3 is a schematic view of the sectional structure of the supporting mechanism of the present invention.
The main reference numbers:
1. a bridge; 2. mounting a plate; 21. a hydraulic lever; 22. moving the plate; 23. a housing; 24. a threaded rod a; 25. a threaded sleeve; 251. a helical rack; 26. a connecting rod; 27. a screw rod; 28. a support mechanism; 281. a support plate; 2811. an insertion block; 282. a mounting seat; 283. a helical gear; 284. a limiting plate; 285. fixing screws; 286. a slider; 287. a fixed block; 288. a threaded rod b; 289. a spring; 3. an anchor rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.
Referring to fig. 1-3, a road and bridge crack filling and reinforcing mechanism includes a bridge 1 and a mounting plate 2, when a crack of the bridge 1 is found to be repaired, the mounting plate 2 is tightly attached to the plane of the crack opening of the bridge 1, an anchor rod 3 is fixed on the mounting plate 2, the mounting plate 2 and the bridge 1 are fixed in one step, after the initial fixation through the anchor rod 3, a hydraulic rod 21 is controlled to adjust the position of a moving plate 22 according to the distance between cracks, a shell 23 is adjusted to the central position of the crack as much as possible, one end of a connecting rod 26 exposed outside the mounting plate 2 is fixed with an external motor after the adjustment is completed, after the motor is started, the position of the connecting rod 26 is maintained and is not moved, and only the connecting rod 26 rotates to drive an internal threaded rod a24 to rotate, so that a threaded sleeve 25 in threaded connection on the outer wall of a24 makes a lifting motion along the outer wall of the threaded rod a24 in, in the process of descending the screw sleeve 25, the helical rack 251 descends along with the screw sleeve 25, because the helical rack 251 is meshed with the helical gear 283, the helical gear 283 is driven by the displacement of the helical rack 251 to rotate, the threaded rod b288 fixedly installed on the helical gear 283 starts to rotate, because the installation seat 282 is in threaded connection with the threaded rod b288, the two installation seats 282 synchronously move back and forth, when the support plates 281 on the two sides touch the bridge 1, the supporting task is completed, after the supporting mechanism 28 completes the supporting work, the motor is still in the starting state, meanwhile, the connecting rod 26 is pressed downwards, the connecting rod 26 enables the threaded rod a24 to move downwards, after the helical rod 27 fixedly installed at the bottom end of the threaded rod a24 contacts the bridge 1, the helical rod starts to move towards the inside of the bridge 1, because of the unique structural characteristics of the helical rod 27, the helical rod 27 can be tightly fixed on the bridge 1, accomplish the reinforcement work of whole mechanism, at last, can pour into concrete or pitch to inside through the notch at 2 tops of mounting panel, fill with inside, can consolidate whole crack more, avoid causing the potential safety hazard.
As shown in fig. 1 and fig. 2, in the further proposed technical solution of the present invention, a movable plate 22 is slidably connected in a mounting plate 2, a housing 23 is fixedly installed at a middle axis of a bottom surface of the movable plate 22, a supporting mechanism 28 is fixedly installed in the housing 23, supporting plates 281 are fixedly installed at both ends of the supporting mechanism 28, any rotational acting force is applied to the supporting mechanism 28, two supporting plates 281 are driven to maintain a threaded rod a24 rotatably connected in the horizontally opposite moving housing 23, a connecting rod 26 is fixedly installed at a top of the threaded rod a24, the connecting rod 26 once penetrates through the housing 23, the movable plate 22 and the mounting plate 2 and extends to an outer side of the mounting plate 2, any rotational acting force is applied to the connecting rod 26, the driving threaded rod a24 is driven to maintain horizontal rotation, and the insides of cracks of the bridge 1 are tightly fixed together through cooperation of two reinforcing mechanisms, the safety of the bridge 1 in use is ensured.
Wherein, threaded connection has threaded bush 25 on the outer wall of threaded rod a24, and fixed mounting has helical rack 251 on the outer wall of threaded bush 25 on the side of keeping away from threaded rod a24, and helical rack 251 meshes with helical gear 283 of fixed mounting in the supporting mechanism 28 mutually, drives helical rack 251 through threaded bush 25 and removes to reach the purpose of helical rack 251 control supporting mechanism 28, convenient operation is practical.
Wherein, the bottom of threaded rod a24 runs through and extends to the outside of shell 23, and fixed mounting has the hob 27, and the hob 27 joint is in the bridge 1, and the peculiar structure of hob 27 can firmly be together fixed with bridge 1.
The middle shaft of the inner wall of one side of the mounting plate 2 is fixedly provided with a hydraulic rod 21, the output end of the hydraulic rod 21 is fixedly arranged on the outer wall of one side of the moving plate 22, and the position of the moving plate 22, namely the position of the shell 23, is controlled by the hydraulic rod 21, is suitable for cracks with different shapes and sizes, and is convenient to use.
Wherein, the top symmetry of mounting panel 2 is run through there is stock 3, and in the one end of stock 3 extended to bridge 1, the quantity of stock 3 was a plurality of, and a plurality of stock 3 can be tightly be in the same place mounting panel 2 and bridge 1 are fixed.
As shown in fig. 3, in the further proposed technical solution of the present invention, the supporting mechanism 28 includes two mounting seats 282 and two supporting plates 281, the number of the mounting seats 282 is two, two fixing blocks 287 are fixedly mounted on the inner walls of the two mounting seats 282, two springs 289 are fixedly mounted on the middle shafts of the outer walls of the two fixing blocks 287 on the opposite sides, the other ends of the two springs 289 are respectively fixedly mounted with sliding blocks 286, the two sliding blocks 286 are respectively slidably connected to the inner walls of the two mounting seats 282, two threaded rods b288 are fixedly mounted on the middle shafts of the outer walls of the two sliding blocks 286 on the opposite sides, the threaded rods b288 are threadedly connected to the outer walls of the two mounting seats 282 on the opposite sides, a helical gear 283 is fixedly mounted at the middle shaft of the threaded rod b288, two limiting plates 284 are symmetrically mounted on the outer walls of the two mounting seats 282 on the opposite sides, the limiting plates 284 is, the principle that the two mounting seats 282 are driven to move by the rotation of the simple threaded rod b288 allows the supporting plate 281 to be supported on the inner walls of the two sides of the bridge 1 for supporting.
Wherein, the one end that threaded rod b288 was kept away from to mount pad 282 specifically is hollow structure, and symmetrical threaded connection has fixed screw 285 on the outer wall of the relative one side of mount pad 282 hollow structure, axis department fixed mounting of the outer wall of one side of backup pad 281 has plug block 2811, on the outer wall of two fixed screw 285 threaded connection and the relative both sides of plug block 2811, the cooperation is accomplished fixedly, structure through simple fixed screw 285 is fixed, suitable backup pad 281 is conveniently selected according to the shape of the crack inner wall of difference, it is very convenient to install, and backup pad 281 after the installation is very firm.
The working principle is as follows: an externally-connected motor is fixed at one end of a connecting rod 26 exposed outside the mounting plate 2, after the motor is started, the position of the connecting rod 26 is kept and is not moved, the connecting rod 26 rotates to drive an internal threaded rod a24 to rotate, so that a threaded sleeve 25 in threaded connection with the outer wall of a threaded rod a24 vertically moves along the outer wall of a threaded rod a24, in the descending process of the threaded sleeve 25, a helical rack 251 descends along with the threaded sleeve 25, the helical rack 251 is meshed with a helical gear 283, the helical rack 251 moves to drive the helical gear 283 to rotate, a threaded rod b288 fixedly mounted by the helical gear 283 starts to rotate, and the mounting seats 282 and the threaded rod b288 are in threaded connection, so that the two mounting seats 282 synchronously move back and back; after the supporting mechanism 28 completes the supporting operation, the motor is still in the starting state, and simultaneously the connecting rod 26 is pressed downwards, the connecting rod 26 enables the threaded rod a24 to move downwards, after the threaded rod 27 fixedly mounted at the bottom end of the threaded rod a24 contacts the bridge 1, the threaded rod starts to move towards the inside of the bridge 1, and due to the unique structural characteristics of the threaded rod 27, the threaded rod 27 can be tightly fixed on the bridge 1 and fixed together, the motor is stopped, and the threaded rod 27 is separated from the connecting rod 26.
The spring 289 mentioned here has an elastic coefficient meeting the technical requirements of the technical solution of the present invention.
The above embodiments are merely exemplary embodiments of the present invention, which is not intended to limit the present invention, and the scope of the present invention is defined by the appended claims. Various modifications and equivalents may be made by those skilled in the art to the present invention without departing from the spirit and scope of the invention, and such modifications and equivalents should be considered to be within the scope of the invention.

Claims (7)

1. The utility model provides a road and bridge crack filling strengthening mechanism, includes bridge (1) and mounting panel (2), its characterized in that:
a moving plate (22) is connected in the mounting plate (2) in a sliding manner, a shell (23) is fixedly mounted at the middle shaft of the bottom surface of the moving plate (22), a supporting mechanism (28) is fixedly mounted in the shell (23), supporting plates (281) are fixedly mounted at two ends of the supporting mechanism (28), any rotating acting force is applied to the supporting mechanism (28), and the two supporting plates (281) are driven to keep back-to-back movement in the horizontal direction;
the utility model discloses a portable electronic device, including shell (23), movable plate (22), mounting panel (2), connecting rod (26) are in the shell (23) internal rotation be connected with threaded rod a (24), the top fixed mounting of threaded rod a (24) has connecting rod (26), connecting rod (26) once run through shell (23), movable plate (22) and mounting panel (2), and extend to the outside of mounting panel (2), apply arbitrary rotational force in on connecting rod (26), drive threaded rod a (24) keep horizontal rotation.
2. The crack filling and reinforcing mechanism for the road and bridge according to claim 1, wherein the supporting mechanism (28) comprises two installation bases (282) and two supporting plates (281), the number of the installation bases (282) is two, two fixing blocks (287) are fixedly installed on the inner walls of the two installation bases (282), springs (289) are fixedly installed on the middle shafts of the outer walls of the two fixing blocks (287) on the opposite sides, sliding blocks (286) are fixedly installed on the other ends of the two springs (289), the two sliding blocks (286) are respectively slidably connected on the inner walls of the two installation bases (282), threaded rods b (288) are fixedly installed on the middle shafts of the outer walls of the two sliding blocks (286) on the opposite sides, the threaded rods b (288) are threadedly connected on the outer walls of the two installation bases (282) on the opposite sides, and helical gears (283) are fixedly installed on the middle shafts of the threaded rods b (288), limiting plates (284) are symmetrically arranged on the outer walls of the two opposite sides of the mounting seats (282), the limiting plates (284) are L-shaped, and the L-shaped structures of the two limiting plates (284) are clamped with the bevel gears (283).
3. The crack filling and reinforcing mechanism for the road and bridge according to claim 2, wherein one end of the mounting seat (282) far away from the threaded rod b (288) is hollow, fixing screws (285) are symmetrically and threadedly connected to the outer wall of the mounting seat (282) on the opposite side of the hollow structure, an insertion block (2811) is fixedly mounted at the middle shaft of the outer wall of the supporting plate (281) on one side, and two fixing screws (285) are threadedly connected to the outer walls of the opposite sides of the insertion block (2811) to complete fixation.
4. The crack filling and reinforcing mechanism for the road and bridge as claimed in claim 1, wherein a threaded sleeve (25) is threadedly connected to the outer wall of the threaded rod a (24), a helical rack (251) is fixedly installed on the outer wall of the threaded sleeve (25) on the side far away from the threaded rod a (24), and the helical rack (251) is engaged with a helical gear (283) fixedly installed in the supporting mechanism (28).
5. The crack filling and reinforcing mechanism for the road and bridge as claimed in claim 1, wherein the bottom end of the threaded rod a (24) penetrates and extends to the outer side of the outer shell (23), and a screw rod (27) is fixedly installed, and the screw rod (27) is clamped in the bridge (1).
6. The crack filling and reinforcing mechanism for the road and bridge according to claim 1, wherein a hydraulic rod (21) is fixedly installed at the central axis of the inner wall of one side of the mounting plate (2), and the output end of the hydraulic rod (21) is fixedly installed on the outer wall of one side of the moving plate (22).
7. The crack filling and reinforcing mechanism for the road and bridge according to claim 1, characterized in that the top of the mounting plate (2) is symmetrically penetrated with anchor rods (3), one end of the anchor rods (3) extends into the bridge (1), and the number of the anchor rods (3) is several.
CN202020774999.6U 2020-05-12 2020-05-12 Road and bridge crack filling and reinforcing mechanism Expired - Fee Related CN212153151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020774999.6U CN212153151U (en) 2020-05-12 2020-05-12 Road and bridge crack filling and reinforcing mechanism

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Application Number Priority Date Filing Date Title
CN202020774999.6U CN212153151U (en) 2020-05-12 2020-05-12 Road and bridge crack filling and reinforcing mechanism

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Publication Number Publication Date
CN212153151U true CN212153151U (en) 2020-12-15

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113106880A (en) * 2021-04-24 2021-07-13 李文超 Reverse supporting device for bridge gap repair and implementation method thereof
CN113265960A (en) * 2021-05-15 2021-08-17 河南鼎畅路桥工程有限公司 Road and bridge crack repairing and fixing structure
CN113605262A (en) * 2021-08-30 2021-11-05 杨凤银 Crack filling type reinforcing device for highway bridge
CN113605196A (en) * 2021-08-10 2021-11-05 天津亚平市政工程集团有限公司 Road crack repairing device and method
CN114108421A (en) * 2022-01-26 2022-03-01 中国长江三峡集团有限公司 Lapping device and lapping chain
CN114293484A (en) * 2022-01-20 2022-04-08 贵州省交通规划勘察设计研究院股份有限公司 Road and bridge crack reinforced structure
CN114922102A (en) * 2022-06-30 2022-08-19 李智 Bridge crack repairing device and using method thereof
CN116240821A (en) * 2023-01-04 2023-06-09 鲁南高速铁路有限公司 Bridge crack repairing device and using method thereof
CN117888591A (en) * 2024-03-14 2024-04-16 山东明辰质量检测有限公司 Pile foundation bearing capacity detection device and detection method for building

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113106880A (en) * 2021-04-24 2021-07-13 李文超 Reverse supporting device for bridge gap repair and implementation method thereof
CN113265960A (en) * 2021-05-15 2021-08-17 河南鼎畅路桥工程有限公司 Road and bridge crack repairing and fixing structure
CN113605196A (en) * 2021-08-10 2021-11-05 天津亚平市政工程集团有限公司 Road crack repairing device and method
CN113605196B (en) * 2021-08-10 2023-01-10 天津亚平市政工程集团有限公司 Road crack repairing device and method
CN113605262B (en) * 2021-08-30 2023-03-10 杨凤银 Crack filling type reinforcing device for highway bridge
CN113605262A (en) * 2021-08-30 2021-11-05 杨凤银 Crack filling type reinforcing device for highway bridge
CN114293484A (en) * 2022-01-20 2022-04-08 贵州省交通规划勘察设计研究院股份有限公司 Road and bridge crack reinforced structure
CN114108421A (en) * 2022-01-26 2022-03-01 中国长江三峡集团有限公司 Lapping device and lapping chain
CN114922102A (en) * 2022-06-30 2022-08-19 李智 Bridge crack repairing device and using method thereof
CN116240821A (en) * 2023-01-04 2023-06-09 鲁南高速铁路有限公司 Bridge crack repairing device and using method thereof
CN116240821B (en) * 2023-01-04 2023-09-08 鲁南高速铁路有限公司 Bridge crack repairing device and using method thereof
CN117888591A (en) * 2024-03-14 2024-04-16 山东明辰质量检测有限公司 Pile foundation bearing capacity detection device and detection method for building
CN117888591B (en) * 2024-03-14 2024-05-28 山东明辰质量检测有限公司 Pile foundation bearing capacity detection device and detection method for building

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