Bridge support deformation detection device
By designing a bridge bearing deformation detection device, a laser beam is used to detect bridge bearing deformation through a micro-hole. Combined with the adjustment of nuts and studs, the problem of the inability to accurately detect micro-deformation of bridge bearings in existing technologies is solved, achieving high-precision deformation detection and simple laser lamp maintenance.
Patent Information
- Application Number
- CN202520797638.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-04-24
AI Technical Summary
Existing methods for detecting bridge bearing deformation mostly rely on camera monitoring, which is insufficient to meet the high-precision testing requirements of modern bridge engineering and cannot accurately detect the micro-deformation of the bearings.
A bridge bearing deformation detection device was designed, including a detection base, a fixed base, a reference adjustment base, a nut, a laser lamp, and a sliding sleeve. The deformation of the bearing is determined by the precise passage of the laser beam through the micro-hole. Precise fixing is achieved by adjusting the nut and stud. The snap-fit method between the locking block and the L-shaped slot simplifies disassembly and assembly, and the cooperation between the guide block and the movable hole ensures a stable connection.
It enables high-precision detection of bridge bearing deformation, simplifies the assembly and disassembly process of the laser light, protects the laser light from external influences, and ensures the accuracy and reliability of the detection.
Smart Images

Figure CN223966024U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bridge inspection technology, and in particular to a bridge bearing deformation detection device. Background Technology
[0002] Bridge bearings are important structural components connecting the superstructure and substructure of a bridge. Located between the bridge and the bearing pad, they reliably transfer the loads and deformations borne by the superstructure to the substructure, serving as a crucial force transmission device for bridges. There are two types of bridge bearings: fixed bearings and movable bearings. To prevent accidents such as bridge collapses, it is necessary to regularly inspect the deformation of bridge bearings.
[0003] Currently, bridge bearing deformation detection is mostly achieved through camera monitoring, which can only observe obvious external deformation changes of bridge bearings and cannot perform precise detection. Therefore, it is difficult to meet the high-precision requirements of modern bridge engineering for bearing micro-deformation monitoring. Utility Model Content
[0004] This utility model relates to a bridge bearing deformation detection device, which solves the problem that existing bridge bearing deformation detection methods mostly use cameras, which can only observe obvious external changes in bridge bearings and cannot accurately detect them, thus failing to meet the requirements for high-precision bridge bearing deformation detection.
[0005] In a first aspect, this utility model provides a bridge bearing deformation detection device, specifically comprising: a detection base, a fixed base, a reference adjustment base, a nut, a laser lamp, and a sliding sleeve; the detection base is fixed on a solid foundation, a laser lamp is connected to the inner part of the top of the detection base, and a sliding sleeve is fitted around the laser lamp and connected to the detection base; the fixed base is fixed on the bridge bearing, a reference adjustment base is connected to the top of the fixed base, and a nut is connected to the outer part of the reference adjustment base.
[0006] Furthermore, the control adjustment base has micro-holes inside, and the laser lamp faces the control adjustment base, with the laser beam emitted by the laser lamp passing through the micro-holes in the control adjustment base.
[0007] Furthermore, the fixed base is symmetrically provided with studs on the top, and the reference adjustment base is symmetrically provided with guide holes on the bottom. The studs slide through all the guide holes of the reference adjustment base, and the nuts are threaded to the outside of the studs. The two nuts are in contact with the opposite sides of the reference adjustment base.
[0008] Furthermore, the laser lamp is inserted into the detection base, and the detection base is provided with two L-shaped slots on the outside, and two locking blocks are provided on the outside of the laser lamp. The locking blocks are slidably connected to the L-shaped slots provided in the detection base.
[0009] Furthermore, the sliding sleeve has two movable holes on its outside, and the laser lamp has two guide blocks on its outside, which are slidably connected to the movable holes provided in the sliding sleeve.
[0010] Furthermore, the sliding sleeve is provided with two insert blocks on its outside, which are inserted into the slots of the L-shaped card slot.
[0011] Furthermore, a spring is fitted around the laser lamp, with one end of the spring in contact with the laser lamp and the other end in contact with the sliding sleeve.
[0012] This utility model provides a bridge bearing deformation detection device, which has the following beneficial effects:
[0013] In use, after the bridge bearing is constructed, the reference adjustment seat is fixed to the bridge bearing according to the laser beam emitted by the laser lamp, so that the laser beam accurately passes through the micro-hole. After a period of time, it is observed whether the laser beam accurately passes through the micro-hole, which can determine whether the bridge bearing has deformed. The reference adjustment seat can be moved and finely adjusted as needed for installation, and then fixed with nuts to ensure that the laser beam can accurately pass through the micro-hole, thereby ensuring the effectiveness of the bridge bearing deformation detection.
[0014] Furthermore, the locking block engages with the L-shaped slot to connect the laser lamp to the detection base via a snap-fit mechanism, making laser lamp assembly and disassembly easier. The laser lamp can be removed to prevent damage from external elements like wind and sun. The guide block slides into the movable hole, guiding the sliding sleeve and using a spring to elastically reset it. When the locking block moves to the innermost end of the L-shaped slot, the sliding sleeve is pushed back by the spring, allowing the insert block to insert into the L-shaped slot and lock the laser lamp in place, ensuring a secure connection between the laser lamp and the detection base. To remove the laser lamp, simply move the sliding sleeve in the reverse direction; the spring contracts, the insert block separates from the L-shaped slot, and the laser lamp is unlocked. Then, rotate the laser lamp in the reverse direction to detach the locking block from the L-shaped slot, making operation even simpler.
[0015] Other advantages, objectives and features of this invention will be apparent in part from the description which follows, and in part from the understanding of those skilled in the art through study and practice of this invention. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.
[0017] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the present invention.
[0018] In the attached diagram:
[0019] Figure 1A schematic diagram of the overall axonometric structure of this application is shown;
[0020] Figure 2 This paper shows a schematic diagram of the disassembled structure of the detection base and laser lamp of this application;
[0021] Figure 3 This paper shows a schematic diagram of the disassembled structure of the fixed base and the reference debugging base of this application;
[0022] Figure 4 A schematic diagram of the disassembled structure of the laser lamp and sliding sleeve of this application is shown.
[0023] Figure label:
[0024] 1. Testing base; 11. L-shaped slot; 2. Fixed base; 21. Stud; 3. Comparison and debugging base; 31. Microhole; 32. Guide hole; 4. Nut; 5. Laser light; 51. Locking block; 52. Guide block; 6. Sliding sleeve; 61. Movable hole; 62. Insertion block; 7. Spring. Detailed Implementation
[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0026] Example 1: Please refer to Figures 1 to 4 :
[0027] This utility model proposes a bridge bearing deformation detection device, comprising: a detection base 1, a fixed base 2, a reference adjustment base 3, a nut 4, a laser lamp 5, and a sliding sleeve 6; the detection base 1 is fixed on a solid foundation, and the laser lamp 5 is connected to the inner part of the top of the detection base 1, and the sliding sleeve 6 is fitted on the outside of the laser lamp 5 and connected to the detection base 1; the fixed base 2 is fixed on the bridge bearing, and the reference adjustment base 3 is connected to the top of the fixed base 2, and the nut 4 is connected to the outside of the reference adjustment base 3; the reference adjustment base 3 has a micro-hole 31 inside, and the laser lamp 5 faces the reference adjustment base 3, with the laser beam emitted by the laser lamp 5 penetrating through the micro-hole 31 of the reference adjustment base 3; after the bridge bearing is constructed, the reference adjustment base 3 is fixed to the bridge bearing according to the laser beam emitted by the laser lamp 5, so that the laser beam accurately passes through the micro-hole 31, and after a period of time, it is observed whether the laser beam accurately passes through the micro-hole 31, thereby determining whether the bridge bearing has deformed.
[0028] In this embodiment of the present invention, studs 21 are symmetrically arranged on the top of the fixed base 2, and guide holes 32 are symmetrically arranged on the bottom of the comparison and adjustment base 3. The studs 21 slide through all the guide holes 32 of the comparison and adjustment base 3, and nuts 4 are threaded to the outside of the studs 21. The two nuts 4 are in contact with the opposite sides of the comparison and adjustment base 3. By adopting the above technical solution, the comparison and adjustment base 3 can be moved and finely adjusted according to the installation requirements, and the comparison and adjustment base 3 can be fixed by the nuts 4, so that the laser beam can accurately pass through the micro-holes 31, thereby ensuring the effectiveness of bridge bearing deformation detection.
[0029] In Example 2, based on Example 1, the laser lamp 5 is inserted into the detection base 1. The detection base 1 has two L-shaped slots 11 on its outside, and the laser lamp 5 has two locking blocks 51 on its outside. The locking blocks 51 are slidably connected to the L-shaped slots 11 on the detection base 1. With the above technical solution, the locking blocks 51 cooperate with the L-shaped slots 11 to connect the laser lamp 5 to the detection base 1 through a locking method, making it easier to assemble and disassemble the laser lamp 5. The laser lamp 5 can be removed to avoid the influence of external wind and sun on the laser lamp 5.
[0030] In this embodiment of the invention, the sliding sleeve 6 has two movable holes 61 on its exterior, and the laser lamp 5 has two guide blocks 52 on its exterior. The guide blocks 52 are slidably connected to the movable holes 61 of the sliding sleeve 6. The sliding sleeve 6 also has two insert blocks 62 on its exterior, which are inserted into the slots of the L-shaped slots 11. A spring 7 is fitted on the exterior of the laser lamp 5, with one end of the spring 7 contacting the laser lamp 5 and the other end of the spring 7 contacting the sliding sleeve 6. Using the above technical solution, the guide blocks 52 slide in conjunction with the movable holes 61 to guide the movement of the sliding sleeve 6, and the spring 7 provides... The sliding sleeve 6 has an elastic reset effect; when the locking block 51 moves to the innermost end of the L-shaped slot 11, the sliding sleeve 6 is pushed back by the spring 7, so that the insert block 62 is inserted into the L-shaped slot 11, locking and fixing the laser lamp 5, ensuring the firmness of the connection between the laser lamp 5 and the detection base 1; when it is necessary to remove the laser lamp 5, simply move the sliding sleeve 6 in the opposite direction, the spring 7 is compressed by force, the insert block 62 separates from the L-shaped slot 11, the laser lamp 5 is unlocked, and the laser lamp 5 can be rotated in the opposite direction to separate the locking block 51 from the L-shaped slot 11, making the operation simpler.
[0031] The working principle of this embodiment is as follows: First, the detection base 1 is fixed on a solid foundation. The laser lamp 5 is inserted into the detection base 1, and the locking block 51 is connected to the L-shaped slot 11. When the locking block 51 moves to the innermost end of the L-shaped slot 11, the sliding sleeve 6 is pushed back by the spring 7, causing the insert block 62 to be inserted into the L-shaped slot 11, locking and fixing the laser lamp 5, ensuring the firmness of the connection between the laser lamp 5 and the detection base 1. Next, based on the laser beam emitted by the laser lamp 5, the reference adjustment base 3 is fixed to the constructed bridge support through the fixed base 2. The reference adjustment seat 3 is moved and fine-tuned, and the reference adjustment seat 3 is fixed by the nut 4 so that the laser beam can accurately pass through the micro hole 31. After a period of time, observe whether the laser beam accurately passes through the micro hole 31 to determine whether the bridge support has deformed. When the laser lamp 5 needs to be disassembled and reused, simply move the sliding sleeve 6 in the reverse direction. The spring 7 will be compressed under force, and the insert 62 will separate from the L-shaped slot 11. The laser lamp 5 will be unlocked, and the laser lamp 5 can be rotated in the reverse direction to separate the insert 51 from the L-shaped slot 11.
[0032] The following points should be noted in this article:
[0033] 1. The accompanying drawings of this utility model embodiment only involve the structure involved in this utility model embodiment; other structures can refer to general designs.
[0034] 2. Where there is no conflict, the embodiments of this utility model and the features in the embodiments can be combined with each other to obtain new embodiments.
[0035] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.
Claims
1. A bridge bearing deformation detection apparatus comprising: The utility model provides a bridge support deformation detection device, it is fixed in the solid foundation to the detection base (1), the detection base (1) top is connected with laser lamp (5), laser lamp (5) is externally sleeved with the sliding sleeve (6), and the sliding sleeve (6) is connected with the detection base (1), the fixed base (2) is fixed on the bridge support, and the fixed base (2) top is connected with the contrast debugging seat (3), and the contrast debugging seat (3) is externally connected with the nut (4).
2. The bridge support deformation detection device according to claim 1, wherein, The contrast debugging seat (3) is internally provided with a micro-hole (31), and the laser lamp (5) is directed towards the contrast debugging seat (3), and the laser beam emitted by the laser lamp (5) penetrates through the micro-hole (31) provided in the contrast debugging seat (3).
3. The bridge support deformation detection device according to claim 1, wherein, The fixed base (2) top is symmetrically provided with a stud (21), and the contrast debugging seat (3) bottom is symmetrically provided with a guide hole (32), the stud (21) slidingly penetrates through all the guide holes (32) of the contrast debugging seat (3), the nut (4) is threadedly connected to the outside of the stud (21), and the two nuts (4) are in contact with the opposite sides of the contrast debugging seat (3).
4. The bridge support deformation detection device according to claim 1, wherein, The laser lamp (5) is inserted into the detection base (1), and the detection base (1) is externally provided with two L-shaped clamping grooves (11), and the laser lamp (5) is externally provided with two clamping blocks (51), and the clamping blocks (51) are slidingly connected into the L-shaped clamping grooves (11) provided in the detection base (1).
5. The bridge support deformation detection device according to claim 1, wherein, The sliding sleeve (6) is externally provided with two movable holes (61), and the laser lamp (5) is externally provided with two guide blocks (52), and the guide blocks (52) are slidingly connected into the movable holes (61) provided in the sliding sleeve (6).
6. The bridge support deformation detection device according to claim 4, wherein, The sliding sleeve (6) is externally provided with two insertion blocks (62), and the insertion blocks (62) are inserted into the notches of the L-shaped clamping grooves (11).
7. The bridge support deformation detection device according to claim 1, wherein, The laser lamp (5) is externally sleeved with a spring (7), one end of the spring (7) is in contact with the laser lamp (5), and the other end of the spring (7) is in contact with the sliding sleeve (6).