Bridge deflection detection equipment

By using a drive unit and gear system, the bridge deflection detection equipment can automatically adjust its angle, solving the problems of cumbersome operation and inaccurate positioning of traditional equipment, and improving measurement accuracy and efficiency.

CN224051545UActive Publication Date: 2026-03-27SHAANXI RAILWAY INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-16
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Traditional bridge deflection testing equipment has a simple structure, is cumbersome to operate, requires manual angle adjustment, is time-consuming, and is prone to positioning deviation, affecting measurement accuracy.

Method used

Design a bridge deflection detection device that uses a drive component, rack and pinion, and gears to achieve uniform rotation of the gears, which drives the rotating shaft and the processing center to make precise angle changes, and combines a laser-assisted instrument for rapid positioning.

Benefits of technology

It enables rapid and stable angle adjustment for bridge deflection measurement, improves measurement accuracy, saves operation time, and avoids positioning offset problems.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224051545U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of bridge detection, in particular to bridge deflection detection equipment which comprises a U-shaped frame. A driving part is fixedly connected to one side of the U-shaped frame; a rack is fixedly connected to the lower portion of the rack in a sliding mode; a gear is connected to one side of the rack in a meshed mode; a rotating shaft is fixedly connected to the center of the gear, and the U-shaped frame is rotationally connected to the lower end of the rotating shaft; the gear is located above the U-shaped frame, and the upper portion of the rotating shaft is fixedly connected with a rotating disc. According to the utility model, uniform rotation of the gear is realized through the cooperation of the driving part, the rack and the gear, so that the rotating shaft drives the deflection instrument to carry out accurate angle change, the movement process is more stable and reliable through the cooperation of the gears, a worker can realize rapid angle positioning through the cooperation of the laser auxiliary instrument, and the working efficiency is improved. A large amount of time is saved, and convenience is brought to measurement work.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bridge detection technical field especially relates to a bridge deflection detection equipment. BACKGROUND

[0002] Bridge deflection detection is the core means of guaranteeing bridge structure safety and service life, and its fundamental reason is that bridge will be deformed under long-term load and environmental erosion, and deflection directly reflects the rigidity and stability of structure, if deflection exceeds the design threshold, light causes bridge deck uneven, driving comfort decreases, heavy causes structure cracking, support damage and even collapse accident, through real-time and accurate deflection monitoring, can timely evaluate bridge health state, early warning potential risk, guide scientific maintenance decision, thereby avoid catastrophic consequences, reduce maintenance cost, prolong service cycle, have irreplaceable important meaning to guarantee public safety, maintain traffic network unblocked and reduce social and economic loss.

[0003] Traditional bridge deflection detection equipment structure is single, needs measurement personnel to carry out angle adjustment manually, carries out fixed point measurement, and the position of measurement needs repeatedly adjustment, operation is troublesome, needs to consume a large amount of time, brings great inconvenience to measurement work, and the equipment installation or rotation is also easy to appear unstable when angle adjustment, causes the positioning to deviate, measurement position is not accurate, causes bridge deflection measurement result to have error, lays the safety hidden danger for later.

[0004] Therefore, aiming at the above-mentioned bridge deflection detection equipment structure single, operation is troublesome, needs to consume a large amount of time, and the equipment installation or rotation is also easy to appear unstable when angle adjustment, causes the positioning to deviate, causes bridge deflection measurement result to have error problem, can design the bridge deflection detection device that can automatically carry out angle adjustment positioning and motion is stable to solve the above-mentioned problem. CONTENT OF UTILITY MODEL

[0005] In order to overcome the bridge deflection detection equipment structure single, operation is troublesome, needs to consume a large amount of time, and the equipment installation or rotation is also easy to appear unstable when angle adjustment, causes the positioning to deviate, causes bridge deflection measurement result to have error problem.

[0006] The utility model discloses a technical scheme for bridge deflection detection equipment, comprising a U-shaped frame, a stand, a plurality of stands fixedly connected on the upper sides of the U-shaped frame, a driving part fixedly connected on one side of the U-shaped frame, a rack fixedly connected on the output end of the driving part, a U-shaped frame slidingly connected below the rack, a gear meshingly connected on one side of the rack, a rotating shaft fixedly connected in the center of the gear, a U-shaped frame rotatably connected on the lower end of the rotating shaft, the gear being located above the U-shaped frame, a rotating disc fixedly connected above the rotating shaft, a processing center connected above the rotating disc, a key groove provided above the rotating shaft, and a plug-in block fixedly connected in the key groove through a positioning pin.

[0007] Preferably, the rotating disc is installed on the rotating shaft, and the plug-in block of the processing center is fixedly secured through the key groove above the rotating shaft. The rotating disc provides support force for the processing center. When measuring the deflection of the bridge, the direction of rotation needs to be controlled. Only the output power of the driving part is controlled to make the rack move linearly, drive the gear meshingly connected on the rack to rotate, drive the rotating shaft to rotate, and drive the processing center and the rotating disc to change the angle accurately, thereby realizing multi-angle measurement.

[0008] Preferably, the stand is fixedly connected with a mounting plate above the stand, and the rotating shaft is rotatably connected to the mounting plate.

[0009] Preferably, a plurality of mounting seats are fixedly connected to the mounting plate above the mounting plate, a supporting round wheel is rotatably connected in the middle of the mounting seat, and the rotating disc is movably connected above the supporting round wheel.

[0010] Preferably, a sliding groove is provided above the mounting plate, a circular ring plate is fixedly connected below the rotating disc, and the sliding groove is slidingly connected below the circular ring plate.

[0011] Preferably, a deflection meter is provided on one side of the processing center, a laser auxiliary meter is provided on one side of the deflection meter, and the laser auxiliary meter is fixedly connected to the processing center.

[0012] Preferably, a display screen is fixedly connected to the side of the processing center away from the deflection meter, and the display screen is electrically connected with the deflection meter and the laser auxiliary meter.

[0013] Preferably, a mounting base is fixedly connected below the U-shaped frame, a three-head connecting seat is threadedly connected below the mounting base, and a plurality of telescopic supporting rods are rotatably connected below the three-head connecting seat.

[0014] The utility model discloses the beneficial effect:

[0015] With the cooperation of the driving member, the rack and the gear, the uniform rotation of the gear is realized, the rotating shaft drives the deflection instrument to change the angle accurately, and the cooperation of the gear and the gear makes the movement process more stable and reliable, so that the staff can realize the rapid angle positioning with the laser auxiliary instrument, a large amount of time is saved, and the work of measurement is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A general three-dimensional structure schematic view of the utility model is shown;

[0017] Figure 2 A telescopic supporting rod part structure schematic view of the utility model is shown;

[0018] Figure 3 A gear movement structure schematic view of the utility model is shown;

[0019] Figure 4 An installation plate structure schematic view of the utility model is shown;

[0020] Figure 5 A supporting round wheel structure schematic view of the utility model is shown;

[0021] Figure 6 A deflection instrument structure schematic view of the utility model is shown.

[0022] Reference signs: 1, U-shaped frame; 2, stand; 3, driving member; 4, rack; 5, gear; 6, rotating shaft; 601, key groove; 7, installation plate; 701, sliding groove; 8, rotating disc; 9, annular plate; 10, mounting seat; 11, supporting round wheel; 12, processing center; 1201, plug-in block; 13, deflection instrument; 14, laser auxiliary instrument; 15, display screen; 16, mounting base; 17, three-head connecting seat; 18, telescopic supporting rod. DETAILED DESCRIPTION

[0023] The utility model will be further explained in combination with the drawings and examples.

[0024] Please refer to Figures 1-6The utility model provides a kind of embodiment: a bridge deflection detection equipment, including U-shaped frame 1;Still including stand 2, several stand 2 are fixedly connected on the two sides above U-shaped frame 1, one side of U-shaped frame 1 is fixedly connected with driving part 3, the output end of driving part 3 is fixedly connected with rack 4, rack 4 is slidably connected with U-shaped frame 1 below, rack 4 one side is engagedly connected with gear 5, gear 5 center is fixedly connected with rotating shaft 6, rotating shaft 6 lower end is rotatably connected with U-shaped frame 1, gear 5 is located above U-shaped frame 1, rotating shaft 6 upper side is fixedly connected rotating disc 8, rotating disc 8 upper side is connected with processing center 12, rotating shaft 6 upper side is equipped with keyway 601, processing center 12 lower side is equipped with inserting block 1201, keyway 601 inside is fixedly connected with inserting block 1201 by positioning pin, rotating disc 8 is installed on rotating shaft 6, and then the inserting block 1201 of processing center 12 is firmly fixed by the keyway 601 above rotating shaft 6, rotating disc 8 provides support force for processing center 12, when bridge deflection measurement is carried out, need rotating direction, just control driving part 3 output power, make rack 4 linear motion, drive gear 5 meshed on rack 4 to rotate, gear 5 drives rotating shaft 6 to rotate, rotating shaft 6 drives processing center 12 and rotating disc 8 to carry out the accurate change of angle, realize multi-angle measurement, stand 2 upper side is fixedly connected with mounting plate 7, rotating shaft 6 is rotatably connected on mounting plate 7, mounting plate 7 is used as installation foundation, for connecting and fixed other components, and do not cause movement interference to rotating shaft 6, several mounting seats 10 are fixedly connected on mounting plate 7 upper side, supporting round wheel 11 is rotatably connected in mounting seat 10 middle, supporting round wheel 11 upper side is movably connected with rotating disc 8, when rotating disc 8 rotates, supporting round wheel 11 rotates below rotating disc 8 and provides uniform stable support force.

[0025] Please refer to Figures 1-6In the embodiment, the sliding groove 701 is arranged above the mounting plate 7, the circular ring plate 9 is fixedly connected below the rotating disc 8, the sliding groove 701 is slidably connected below the circular ring plate 9, the circular ring plate 9 arranged below the rotating disc 8 protects the movement of the supporting wheel 11, and the circular ring plate 9 rotates in the sliding groove 701 to limit the rotating disc 8, the deflection instrument 13 is arranged on one side of the processing center 12, the laser auxiliary instrument 14 is arranged on one side of the deflection instrument 13, the laser auxiliary instrument 14 is fixedly connected to the processing center 12, the deflection instrument 13 detects the measured bridge, the laser auxiliary instrument 14 is used for calibrating and positioning the specific position of the detection, the display screen 15 is fixedly connected to the side, away from the deflection instrument 13, of the processing center 12, the display screen 15 is electrically connected with the deflection instrument 13 and the laser auxiliary instrument 14, the detection signals from the deflection instrument 13 and the laser auxiliary instrument 14 are received by the display screen 15, and the detection result of the bridge is displayed to the staff, the mounting base 16 is fixedly connected below the U-shaped support 1, the three-joint base 17 is threadedly connected below the mounting base 16, and the telescopic supporting rods 18 are rotatably connected below the three-joint base 17, the height of the deflection instrument 13 is controlled by controlling the angle between the telescopic supporting rods 18 and the three-joint base 17 and the length of the telescopic supporting rods 18, and this facilitates observation of the staff.

[0026] In the embodiment, the sliding groove 701 is arranged above the mounting plate 7, the circular ring plate 9 is fixedly connected below the rotating disc 8, the sliding groove 701 is slidably connected below the circular ring plate 9, the circular ring plate 9 arranged below the rotating disc 8 protects the movement of the supporting wheel 11, and the circular ring plate 9 rotates in the sliding groove 701 to limit the rotating disc 8, the deflection instrument 13 is arranged on one side of the processing center 12, the laser auxiliary instrument 14 is arranged on one side of the deflection instrument 13, the laser auxiliary instrument 14 is fixedly connected to the processing center 12, the deflection instrument 13 detects the measured bridge, the laser auxiliary instrument 14 is used for calibrating and positioning the specific position of the detection, the display screen 15 is fixedly connected to the side, away from the deflection instrument 13, of the processing center 12, the display screen 15 is electrically connected with the deflection instrument 13 and the laser auxiliary instrument 14, the detection signals from the deflection instrument 13 and the laser auxiliary instrument 14 are received by the display screen 15, and the detection result of the bridge is displayed to the staff, the mounting base 16 is fixedly connected below the U-shaped support 1, the three-joint base 17 is threadedly connected below the mounting base 16, and the telescopic supporting rods 18 are rotatably connected below the three-joint base 17, the height of the deflection instrument 13 is controlled by controlling the angle between the telescopic supporting rods 18 and the three-joint base 17 and the length of the telescopic supporting rods 18, and this facilitates observation of the staff.

[0027] Through the above steps, by cooperating the driving member 3, the rack 4 and the gear 5, the uniform rotation of the gear 5 is realized, the rotating shaft 6 drives the deflection instrument 13 to change the angle accurately, and the cooperation of the rack 4 and the gear 5 makes the movement process more stable and reliable, so that the staff can realize the rapid angle positioning with the laser auxiliary instrument 14, a large amount of time is saved, the work of measurement is facilitated, the problems of single structure of the bridge deflection detection equipment, troublesome operation, need to consume a large amount of time, and unstable equipment installation or rotation when adjusting the angle, leading to the deviation of positioning, and the error of the bridge deflection measurement result are solved.

Claims

1. A bridge deflection testing device, comprising a U-shaped frame (1); characterized in that: It also includes columns (2), several columns (2) are fixedly connected to the upper sides of the U-shaped frame (1), a drive unit (3) is fixedly connected to one side of the U-shaped frame (1), a rack (4) is fixedly connected to the output end of the drive unit (3), the U-shaped frame (1) is slidably connected to the rack (4), a gear (5) is meshed on one side of the rack (4), a rotating shaft (6) is fixedly connected to the center of the gear (5), the U-shaped frame (1) is rotatably connected to the lower end of the rotating shaft (6), the gear (5) is located above the U-shaped frame (1), a rotating disk (8) is fixedly connected above the rotating shaft (6), a processing center (12) is connected above the rotating disk (8), a keyway (601) is provided above the rotating shaft (6), a plug-in block (1201) is provided below the processing center (12), and a plug-in block (1201) is fixedly connected inside the keyway (601) by a positioning pin.

2. The bridge deflection testing device according to claim 1, characterized in that: An mounting plate (7) is fixedly connected to the top of the column (2), and a rotating shaft (6) is rotatably connected to the mounting plate (7).

3. The bridge deflection testing device according to claim 1, characterized in that: Several mounting bases (10) are fixedly connected above the mounting plate (7). A support wheel (11) is rotatably connected in the middle of the mounting base (10). A rotating disc (8) is movably connected above the support wheel (11).

4. The bridge deflection testing device according to claim 1, characterized in that: The mounting plate (7) has a groove (701) above it, and a ring plate (9) is fixedly connected below the rotating disc (8). The groove (701) is slidably connected below the ring plate (9).

5. The bridge deflection testing device according to claim 1, characterized in that: A deflectometer (13) is provided on one side of the processing center (12), and a laser auxiliary instrument (14) is provided on one side of the deflectometer (13). The laser auxiliary instrument (14) is fixedly connected to the processing center (12).

6. The bridge deflection testing device according to claim 1, characterized in that: A display screen (15) is fixedly connected to the side of the processing center (12) away from the deflector (13). The display screen (15) is electrically connected to the deflector (13) and the laser-assisted instrument (14).

7. The bridge deflection testing device according to claim 1, characterized in that: The U-shaped frame (1) is fixedly connected to a mounting base (16), and a three-head connector (17) is threadedly connected to the mounting base (16). Several telescopic support rods (18) are rotatably connected to the three-head connector (17).