Road and bridge settlement deformation detection device
By using a combination of distributed optical fiber sensors and optical fiber detection strips in the road and bridge settlement deformation detection device, the problem of low detection accuracy was solved, and accurate detection and stable use of bridge settlement deformation were achieved.
Patent Information
- Application Number
- CN202423204254.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing road and bridge settlement deformation detection devices have low detection accuracy and cannot accurately display minute settlement deformations, affecting their effectiveness.
The system employs a combination of a distributed optical fiber sensor body, a signal transmission line, and an optical fiber detection strip. It is fixed to the main body of the detection bridge by adhesive tape, and heat dissipation is achieved by using heat dissipation slots to dissipate heat, thereby enabling data transmission and accurate detection.
It improves the accuracy of road and bridge settlement deformation detection, accurately displays bridge settlement deformation, and enhances the stability and protective performance of the device.
Smart Images

Figure CN223581001U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road and bridge detection technical field, concretely is a kind of road and bridge settlement deformation detection device. BACKGROUND
[0002] Bridge, generally refers to the erection on river lake, make vehicle pedestrian etc. Bridge is extended to cross mountain, bad geology or satisfy other traffic needs and erect the construction that makes traffic more convenient, when maintaining to road and bridge in ordinary times, need to utilize road and bridge settlement deformation detection device to the settlement deformation of road and bridge is detected.
[0003] According to the utility model disclosed by authorized announcement number CN220649474U, a kind of road and bridge settlement deformation detection device, including receiving seat, the top of receiving seat is movably connected with telescopic link, telescopic link is fixedly connected with control panel away from the top of receiving seat, limit slot is set in the four around of control panel, the top of control panel is fixedly connected with detection plate, the equipment although the result of road and bridge detection is more accurate, increase the stability of the utility model, further increase the stability of the utility model when the deformation detection of road and bridge, but the equipment merely utilizes the mechanical deformation of device to show the settlement deformation of road and bridge, this kind of detection mode precision is lower, and cannot accurately show the settlement deformation degree of road and bridge, so as not to show the tiny settlement deformation of road and bridge, and make the detection accuracy of this road and bridge settlement deformation detection device greatly reduce, further affect the use of this road and bridge settlement deformation detection device;For this, we provide a kind of road and bridge settlement deformation detection device to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model aims at making up for the deficiency of prior art, provide a kind of road and bridge settlement deformation detection device.
[0005] To achieve the above object, the utility model provides following technical scheme: a road bridge settlement deformation detection device, including detection bridge main part, the inside of detection bridge main part and the top of detection bridge main part are provided with settlement deformation detection mechanism in common, the top of settlement deformation detection mechanism is provided with protection mechanism, settlement deformation detection mechanism includes two lower radiating pedestals, the upper surface of detection bridge main part is provided with two mounting grooves, the bottom surface of each lower radiating pedestal is in contact with the inner bottom wall of mounting groove, the inner bottom wall of each mounting groove is provided with the radiating groove of equidistance arrangement, the upper surface of each lower radiating pedestal is fixedly connected with distributed optical fiber sensor main part, the upper surface of each distributed optical fiber sensor main part is fixedly connected with signal transmitting line, the front of each distributed optical fiber sensor main part and the back of each distributed optical fiber sensor main part are fixedly connected with optical fiber detection band, the outer surface of each optical fiber detection band is fixedly connected with adhesive tape, the bottom surface of each adhesive tape is in contact with the upper surface of detection bridge main part.
[0006] Further, the protection mechanism includes two protective covers, the bottom surface of each protective cover is fixedly connected with a connecting fence, the bottom surface of each connecting fence is in contact with the upper surface of the detection bridge main body.
[0007] Further, the inside of each connecting fence is threadedly connected with two groups of first connecting bolts, the upper surface of the detection bridge main body is provided with two groups of first threaded holes, the bottom end of each group of first connecting bolts penetrates through the connecting fence and is threadedly connected with the inside of the first threaded hole.
[0008] Further, the bottom surface of each connecting fence is fixedly connected with two sealing plates, the upper surface of the detection bridge main body is provided with two groups of sealing grooves, each sealing plate is clamped in the inside of the sealing groove.
[0009] Further, the upper surface of each protective cover is fixedly connected with a mounting ring, the inner wall of each mounting ring is in contact with the outer surface of the signal transmitting line.
[0010] Further, the front of each protective cover and the back of each protective cover are fixedly connected with a protective strip, the outer surface of each group of protective strips is fixedly connected with the outer surface of the connecting fence, the bottom surface of each group of protective strips is in contact with the upper surface of the detection bridge main body.
[0011] Further, the upper surface of each group of protective strips is provided with two groups of second threaded holes, the upper surface of the detection bridge main body is provided with two groups of connecting threaded holes, each group of second threaded holes is in communication with the connecting threaded hole, the inside of each group of connecting threaded holes is threadedly connected with a second connecting bolt, the bottom end of each group of second connecting bolts penetrates through the second threaded hole and extends to the inside of the connecting threaded hole.
[0012] Further, the outer surface of each group of the second connecting bolts is sleeved with a compression spring, the bottom end of each group of the compression springs is fixedly connected with a sliding ring, the inner wall of each group of the sliding rings is in contact with the outer surface of the second connecting bolt, and the bottom surface of each group of the sliding rings is in contact with the upper surface of the protective strip.
[0013] Compared with the prior art, the road bridge settlement deformation detection device has the following beneficial effects: the detection bridge body, the lower heat dissipation base, the mounting groove, the heat dissipation groove and the distributed optical fiber sensor body are matched, the mounting groove is conveniently arranged on the detection bridge body, the distributed optical fiber sensor body fixed on the lower heat dissipation base is arranged in the detection bridge body, the heat dissipation groove is used to dissipate the heat generated by the distributed optical fiber sensor body, the cooperation of the signal emitting line, the optical fiber detection belt and the adhesive tape is used to conveniently transmit the settlement deformation detection data of the distributed optical fiber sensor to the road bridge by the signal emitting line, the detection device body composed of the distributed optical fiber sensor body and the two optical fiber detection belts is used, the two optical fiber detection belts are pasted by the adhesive tape, and the settlement deformation of the road bridge can be accurately detected, so that the accuracy of the road bridge settlement deformation detection device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic view of the detection bridge body of the utility model;
[0015] Figure 2 It is a three-dimensional structural schematic view of the mounting groove of the utility model;
[0016] Figure 3 It is a three-dimensional bottom view structural schematic view of the lower heat dissipation base of the utility model;
[0017] Figure 4 It is a three-dimensional bottom view structural schematic view of the protective strip of the utility model;
[0018] Figure 5 It is a three-dimensional structural schematic view of the second connecting bolt of the utility model.
[0019] In the figure: 1, detect the bridge main body; 2, settlement deformation detection mechanism; 201, installation groove; 202, heat dissipation groove; 203, lower heat dissipation base; 204, distributed optical fiber sensor main body; 205, signal transmitting line; 206, optical fiber detection band; 207, adhesive tape; 3, protection mechanism; 301, protective cover; 302, connecting fence; 303, mounting ring; 304, first connecting bolt; 305, first threaded hole; 306, connecting threaded hole; 307, protection strip; 308, second connecting bolt; 309, sealing groove; 310, sealing plate; 311, second threaded hole; 312, compression spring; 313, sliding ring. DETAILED DESCRIPTION
[0020] The principles and features of the present application are described below in conjunction with the accompanying drawings, and the examples are only used to explain the present application and not to limit the scope of the present application.
[0021] The embodiment provides a road bridge settlement deformation detection device, which is used for detecting the settlement deformation of a road bridge, can accurately detect the settlement deformation of the road bridge, and improves the accuracy of the road bridge settlement deformation detection device.
[0022] Referring to Figure 1 and Figure 4 , a road bridge settlement deformation detection device, which comprises a detection bridge main body 1, the inside of the detection bridge main body 1 and the upper side of the detection bridge main body 1 are provided with a settlement deformation detection mechanism 2, the upper side of the settlement deformation detection mechanism 2 is provided with a protection mechanism 3, the protection mechanism 3 comprises two protective covers 301, the bottom surface of each protective cover 301 is fixedly connected with a connecting fence 302, the bottom surface of each connecting fence 302 is in contact with the upper surface of the detection bridge main body 1, a protection structure is formed by using the protective cover 301 and the connecting fence 302, and the main body of the road bridge settlement deformation detection device can be protected.
[0023] Referring to Figure 2 , Figure 3 and Figure 4 , the settlement deformation detection mechanism 2 comprises two lower heat dissipation bases 203, the bottom surface of each connecting fence 302 is fixedly connected with two sealing plates 310, the upper surface of the detection bridge main body 1 is provided with two groups of sealing grooves 309, each sealing plate 310 is clamped in the inside of the sealing groove 309, the sealing plate 310 is clamped in the inside of the sealing groove 309 to form a rectangular seal, so that the damage of rainwater to the main body of the road bridge settlement deformation detection device in the inside of the protective cover 301 can be reduced.
[0024] Referring to Figure 2 and Figure 4The upper surface of the detection bridge body 1 is provided with two installation grooves 201, the bottom surface of each lower heat dissipation base 203 is in contact with the inner bottom wall of the installation groove 201, the inside of each connecting coaming 302 is threadedly connected with two groups of first connecting bolts 304, the upper surface of the detection bridge body 1 is provided with two groups of first threaded holes 305, the bottom end of each group of first connecting bolts 304 penetrates through the connecting coaming 302 and is threadedly connected with the inside of the first threaded hole 305, through the connection of the first connecting bolt 304 and the first threaded hole 305, the connecting coaming 302 can be connected with the detection bridge body 1, so that the main body of the road bridge settlement deformation detection device can be stably protected by the protective cover 301.
[0025] With reference to Figure 1 , Figure 2 and Figure 3 , the inner bottom wall of each installation groove 201 is provided with equally spaced heat dissipation grooves 202, the upper surface of each lower heat dissipation base 203 is fixedly connected with a distributed optical fiber sensor body 204, the distributed optical fiber sensor is a sensor that uses a unique distributed optical fiber detection technology to measure or monitor the spatial distribution and time-varying information along the optical fiber transmission path, the model of the distributed optical fiber sensor is JTWN-LCD-70A-ZD-1-A, the upper surface of each distributed optical fiber sensor body 204 is fixedly connected with a signal emitting wire 205, the upper surface of each protective cover 301 is fixedly connected with a mounting ring 303, the inner wall of each mounting ring 303 is in contact with the outer surface of the signal emitting wire 205, the mounting ring 303 can be used to seal the gap between the signal emitting wire 205 and the protective cover 301, thereby improving the protection performance of the protective cover 301.
[0026] With reference to Figure 1 , Figure 3 and Figure 4 , the front surface of each distributed optical fiber sensor body 204 and the back surface of each distributed optical fiber sensor body 204 are fixedly connected with an optical fiber detection band 206, the front surface of each protective cover 301 and the back surface of each protective cover 301 are fixedly connected with a protective strip 307, the outer surface of each group of protective strips 307 is fixedly connected with the outer surface of the connecting coaming 302, the bottom surface of each group of protective strips 307 is in contact with the upper surface of the detection bridge body 1, the protective strips 307 can be used to protect the optical fiber detection band 206, thereby reducing damage to the optical fiber detection band 206 caused by the natural environment.
[0027] With reference to Figure 2 , Figure 3 and Figure 4The outer surface of each group of optical fiber detection belts 206 is fixedly connected with a sticky tape 207, the bottom surface of each group of sticky tapes 207 is in contact with the upper surface of the detection bridge body 1, the upper surface of each group of protective strips 307 is provided with two groups of second threaded holes 311, the upper surface of the detection bridge body 1 is provided with two groups of connecting threaded holes 306, each group of second threaded holes 311 is in communication with the connecting threaded hole 306, the inner part of each group of connecting threaded holes 306 is threadedly connected with a second connecting bolt 308, the bottom end of each group of second connecting bolts 308 penetrates through the second threaded hole 311 and extends to the inner part of the connecting threaded hole 306, and the second connecting bolt 308 penetrates through the second threaded hole 311 and the connecting threaded hole 306, so that the protective strip 307 can be conveniently and stably fixed outside the optical fiber detection belt 206, thereby further reducing the damage of the natural environment to the optical fiber detection belt 206.
[0028] Referring to Figure 5 The outer surface of each group of second connecting bolts 308 is sleeved with a compression spring 312, the bottom end of each group of compression springs 312 is fixedly connected with a sliding ring 313, the inner wall of each group of sliding rings 313 is in contact with the outer surface of the second connecting bolt 308, and the bottom surface of each group of sliding rings 313 is in contact with the upper surface of the protective strip 307. By twisting the second connecting bolt 308, the sliding ring 313 can be used to extrude the compression spring 312, so that the impact force received by the second connecting bolt 308 can be buffered by the elastic force accumulated in the compression spring 312, so that the second connecting bolt 308 can stably install and fix the protective strip 307.
[0029] Working principle: in use, first, the distributed optical fiber sensor body 204 is connected with the power supply, when the device is used to detect the settlement deformation of the road bridge, the lower heat dissipation base 203 fixed below the distributed optical fiber sensor body 204 is placed and installed in the mounting groove 201 of the detection bridge body 1 by artificial, so that the device can be stably installed, and the optical fiber detection belt 206 fixed on both sides of the distributed optical fiber sensor body 204 can extend to both sides and be placed on the detection bridge body 1, and the sticky tape 207 pasted outside the optical fiber detection belt 206 is connected and pasted with the upper surface of the detection bridge body 1 by artificial, so that the optical fiber detection belt 206 extending on both sides of the distributed optical fiber sensor body 204 can be stably installed on the detection bridge body 1, and the settlement deformation of the detection bridge body 1 can be accurately detected through the bending of the optical fiber detection belt 206.
[0030] Then the protective cover 301 is covered outside the distributed optical fiber sensor body 204 by manual, and the connecting fence 302 can be arranged on the detected bridge body 1, and the sealing plate 310 fixed below the connecting fence 302 can be clamped into the sealing groove 309 opened on the detected bridge body 1, and the rectangular sealing structure composed of the sealing groove 309 and the sealing plate 310 can reduce the direct penetration of external rainwater into the installation groove 201 to make the working environment of the distributed optical fiber sensor body 204 worse, and meanwhile the protective strips 307 fixed on both sides of the protective cover 301 can be covered outside the optical fiber detection belt 206 to protect the optical fiber detection belt 206, and the damage caused by the external environment can be reduced, finally the first connecting bolt 304 is screwed with the first threaded hole 305 by manual twisting, the connecting fence 302 can be stably fixed on the detected bridge body 1, and the second connecting bolt 308 is screwed with the connecting threaded hole 306 and the second threaded hole 311 by manual twisting, the protective strips 307 can be stably fixed and installed outside the optical fiber detection belt 206 to protect the optical fiber detection belt 206, so that the core component of the device, the distributed optical fiber sensor, can be safely applied to detect the settlement deformation of the road bridge.
[0031] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A device for detecting settlement deformation of a road bridge, comprising a detection bridge body (1), characterized in that: The inside of the detection bridge body (1) and the upper part of the detection bridge body (1) are provided with a settlement deformation detection mechanism (2) together, the upper part of the settlement deformation detection mechanism (2) is provided with a protection mechanism (3), the settlement deformation detection mechanism (2) comprises two lower heat dissipation bases (203), the upper surface of the detection bridge body (1) is provided with two mounting grooves (201), the bottom surface of each lower heat dissipation base (203) is in contact with the inner bottom wall of the mounting groove (201), the inner bottom wall of each mounting groove (201) is provided with equidistantly arranged heat dissipation grooves (202), the upper surface of each lower heat dissipation base (203) is fixedly connected with a distributed optical fiber sensor body (204), the upper surface of each distributed optical fiber sensor body (204) is fixedly connected with a signal transmitting line (205), the front surface of each distributed optical fiber sensor body (204) and the back surface of each distributed optical fiber sensor body (204) are fixedly connected with an optical fiber detection belt (206), the outer surface of each group of optical fiber detection belts (206) is fixedly connected with a sticky tape (207), and the bottom surface of each group of sticky tapes (207) is in contact with the upper surface of the detection bridge body (1).
2. The road and bridge settlement deformation detection device according to claim 1, characterized in that: The protection mechanism (3) comprises two protective covers (301), the bottom surface of each protective cover (301) is fixedly connected with a connecting fence (302), and the bottom surface of each connecting fence (302) is in contact with the upper surface of the detection bridge body (1).
3. The device for detecting the settlement and deformation of road and bridge according to claim 2, characterized in that: The inside of each connecting fence (302) is threadedly connected with two groups of first connecting bolts (304), the upper surface of the detection bridge body (1) is provided with two groups of first threaded holes (305), and the bottom end of each group of first connecting bolts (304) penetrates through the connecting fence (302) and is threadedly connected with the inside of the first threaded hole (305).
4. The device for detecting settlement deformation of road and bridge according to claim 2, characterized in that: The bottom surface of each connecting fence (302) is fixedly connected with two sealing plates (310), and the upper surface of the detection bridge body (1) is provided with two groups of sealing grooves (309).
5. The device for detecting the settlement and deformation of road and bridge according to claim 2, characterized in that: The upper surface of each protective cover (301) is fixedly connected with a mounting ring (303), and the inner wall of each mounting ring (303) is in contact with the outer surface of the signal transmitting line (205).
6. The device for detecting settlement deformation of road and bridge according to claim 2, characterized in that: The front surface of each protective cover (301) and the back surface of each protective cover (301) are fixedly connected with a protection strip (307), the outer surface of each group of protection strips (307) is fixedly connected with the outer surface of the connecting fence (302), and the bottom surface of each group of protection strips (307) is in contact with the upper surface of the detection bridge body (1).
7. The device for detecting settlement deformation of road and bridge according to claim 6, characterized in that: The upper surface of each of the protection strips (307) is provided with two groups of second threaded holes (311), the upper surface of the detection bridge body (1) is provided with two groups of connecting threaded holes (306), each group of second threaded holes (311) is communicated with the connecting threaded holes (306), the inner part of each group of connecting threaded holes (306) is threadedly connected with a second connecting bolt (308), and the bottom end of each group of second connecting bolts (308) penetrates through the second threaded hole (311) and extends into the inner part of the connecting threaded hole (306).
8. The device for detecting settlement deformation of road and bridge according to claim 7, characterized in that: The outer surface of each group of second connecting bolts (308) is sleeved with a compression spring (312), the bottom end of each group of compression springs (312) is fixedly connected with a sliding ring (313), the inner wall of each group of sliding rings (313) is in contact with the outer surface of the second connecting bolt (308), and the bottom surface of each group of sliding rings (313) is in contact with the upper surface of the protection strip (307).
Citation Information
Patent Citations
Road and bridge settlement deformation detection device
CN220649474U