Bridge support detection device

By designing a bridge support detection device, using a motor to drive gears and racks to move the slider and mounting plate, and combining a laser rangefinder to measure the height, the problem of large detection errors in the prior art is solved, accurate and simple height measurement is achieved, and the practicality of detection is improved.

CN222850011UActive Publication Date: 2025-05-09BEIJING ZHONGXINXIANG ENG TESTING TECH CO LTD
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Patent Information

Application Number
CN202420874625.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-25
Publication Date
2025-05-09
Estimated Expiration
2034-04-25

AI Technical Summary

Technical Problem

The prior art is prone to errors when detecting the height of bridge support, which is difficult to accurately measure and has poor practicality.

Method used

A bridge bearing detection device is designed, using a motor to drive the gears and racks to rotate, move the slider and mounting plate, and combine the first and second laser rangefinders to measure the height of the bridge bearing to avoid direct measurement of the handheld tape measure.

Benefits of technology

The device can accurately and simply measure the height of the bridge support, reduce errors, and improve the practicality of detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of detection devices, in particular to a bridge support detection device, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a mounting frame, and the front surface of the mounting frame is provided with a mounting groove. The bridge support is placed on the horizontal ground in front of the bottom plate, the motor is started to drive the rotating shaft and the gear to rotate, the rack meshed with the gear drives the toothed plate to move, the toothed plate drives the sliding block to move in the direction of the sliding rod, and the sliding block drives the connecting rod and the mounting plate to move. The distance between the lower surface of the first laser range finder and the upper surface of the bridge support is measured, then the distance between the second laser range finder and the ground is measured, the difference between the two data is the height of the bridge support, a measuring worker does not need to hold a measuring tape to measure the height, the operation of the measuring worker is simple, the detection error can be effectively avoided, and the detection efficiency is improved. The height of the bridge support can be accurately measured, and the practicability is higher.
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Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a bridge support detection device. Background Art

[0002] The bridge bearing is an important structural component connecting the superstructure and substructure of the bridge. It is located between the bridge and the pad stone. It can reliably transfer the load and deformation borne by the superstructure of the bridge to the substructure of the bridge. It is an important force transmission device of the bridge. When producing bridge bearings, it is necessary to test the size of the bridge bearings, especially whether the height of the bridge bearings meets the design requirements;

[0003] At present, some methods of detecting the height of bridge bearings are to directly measure the height with a handheld tape measure. This method has high requirements for surveyors, is prone to errors, and is difficult to accurately measure the height of the bridge bearing, and has poor practicality. Therefore, a bridge bearing detection device is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a bridge bearing detection device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bridge bearing detection device, comprising a base plate, the upper surface of the base plate is fixedly connected to a mounting bracket, the front surface of the mounting bracket is provided with a mounting groove, the inner side wall of the mounting groove is fixedly connected to a sliding rod, the outer side wall of the sliding rod is slidably connected to a sliding block, the right surface of the sliding block is fixedly connected to a toothed plate, the right surface of the toothed plate is evenly welded with a rack, the rear surface of the mounting bracket is fixedly installed with a motor, the output shaft end of the motor is fixedly connected to a rotating shaft, the rotating shaft passes through the rear surface of the mounting bracket, the rotating shaft and the inner side wall of the mounting groove are rotatably connected through a bearing, the outer side wall of the rotating shaft is fixedly connected with a gear, the gear and the rack are meshed and connected, the front surface of the sliding block is fixedly connected to a connecting rod, and the end of the connecting rod away from the sliding block is fixedly connected to the mounting plate, and the lower surface of the mounting plate is respectively provided with a first laser rangefinder and a second laser rangefinder.

[0006] As a further preferred embodiment of the present technical solution: a first cylinder is fixedly installed on the left side of the upper surface of the mounting plate, and one end of the piston rod of the first cylinder is fixedly connected to the upper surface of the first laser rangefinder; a second cylinder is fixedly installed on the right side of the upper surface of the mounting plate, and one end of the piston rod of the second cylinder is fixedly connected to the upper surface of the second laser rangefinder.

[0007] As a further preferred embodiment of the present technical solution: the lower surface of the first laser rangefinder and the lower surface of the second laser rangefinder are at the same horizontal position.

[0008] As a further preferred embodiment of the technical solution: two through holes are formed on the upper surface of the mounting plate, and one end of the piston rod of the first laser rangefinder and one end of the piston rod of the second laser rangefinder both pass through the through holes.

[0009] As a further preferred embodiment of the technical solution: a calibration ruler is fixedly connected to the lower surface of the mounting plate, and scale lines are arranged on the front surface of the calibration ruler.

[0010] As a further preferred embodiment of the technical solution: legs are uniformly welded on the lower surface of the base plate.

[0011] As a further preferred embodiment of the present technical solution: rollers are installed on the lower surface of the legs.

[0012] As a further preferred embodiment of the present technical solution: a handle is fixedly connected to the rear surface of the mounting frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model places the bridge support on the horizontal ground in front of the base plate, starts the motor to drive the rotating shaft and the gear to rotate, the rack meshing with the gear drives the toothed plate to move, the toothed plate drives the slider to move along the direction of the slide rod, the slider drives the connecting rod and the mounting plate to move, and when the mounting plate is located above the bridge support, the distance between the lower surface of the first laser rangefinder and the upper surface of the bridge support is measured, and then the distance between the second laser rangefinder and the ground is measured. The difference between the two data is the height of the bridge support. There is no need to hold a tape measure to measure the height. The measurement worker has simple operation, can effectively avoid detection errors, can accurately measure the height of the bridge support, and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the gear and rack in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the mounting plate in the utility model.

[0019] In the figure: 1, bottom plate; 2, mounting frame; 3, mounting groove; 4, sliding rod; 5, sliding block; 6, tooth plate; 7, rack; 8, motor; 9, rotating shaft; 10, gear; 11, connecting rod; 12, mounting plate; 13, first laser rangefinder; 14, second laser rangefinder; 15, first cylinder; 16, second cylinder; 17, through hole; 18, calibration ruler; 19, scale line; 20, supporting leg; 21, roller; 22, handle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations on the present application. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] See also Figure 1-4The utility model provides a technical solution: a bridge bearing detection device, comprising a base plate 1, a mounting frame 2 is fixedly connected to the upper surface of the base plate 1, a mounting groove 3 is opened on the front surface of the mounting frame 2, a sliding rod 4 is fixedly connected to the inner side wall of the mounting groove 3, a sliding block 5 is slidably connected to the outer side wall of the sliding rod 4, a toothed plate 6 is fixedly connected to the right surface of the sliding block 5, a rack 7 is evenly welded to the right surface of the toothed plate 6, a motor 8 is fixedly installed on the rear surface of the mounting frame 2, a rotating shaft 9 is fixedly connected to the output shaft end of the motor 8, the rotating shaft 9 passes through the rear surface of the mounting frame 2, the rotating shaft 9 is rotatably connected to the inner side wall of the mounting groove 3 through a bearing, a gear 10 is fixedly connected to the outer side wall of the rotating shaft 9, and the gear 10 is meshingly connected to the rack 7 , the front surface of the slider 5 is fixedly connected with a connecting rod 11, and the end of the connecting rod 11 away from the slider 5 is fixedly connected with a mounting plate 12, and the lower surface of the mounting plate 12 is respectively provided with a first laser rangefinder 13 and a second laser rangefinder 14; the bridge bearing is placed on the horizontal ground in front of the base plate 1, and the motor 8 is started to drive the rotating shaft 9 and the gear 10 to rotate, and the rack 7 meshing with the gear 10 drives the toothed plate 6 to move, and the toothed plate 6 drives the slider 5 to move along the direction of the slide rod 4, and the slider 5 drives the connecting rod 11 and the mounting plate 12 to move. When the mounting plate 12 is located above the bridge bearing, the distance between the lower surface of the first laser rangefinder 13 and the upper surface of the bridge bearing is measured, and then the distance between the second laser rangefinder 14 and the ground is measured. The difference between the two data is the height of the bridge bearing.

[0023] In this embodiment, specifically: a first cylinder 15 is fixedly installed on the left side of the upper surface of the mounting plate 12, and one end of the piston rod of the first cylinder 15 is fixedly connected to the upper surface of the first laser rangefinder 13; a second cylinder 16 is fixedly installed on the right side of the upper surface of the mounting plate 12, and one end of the piston rod of the second cylinder 16 is fixedly connected to the upper surface of the second laser rangefinder 14; the heights of the first laser rangefinder 13 and the second laser rangefinder 14 are adjusted by adjusting the extended lengths of the piston rods of the first cylinder 15 and the second cylinder 16.

[0024] In this embodiment, specifically: the lower surface of the first laser rangefinder 13 and the lower surface of the second laser rangefinder 14 are at the same horizontal position.

[0025] In this embodiment, specifically: two through holes 17 are formed on the upper surface of the mounting plate 12 , and one end of the piston rod of the first laser rangefinder 13 and one end of the piston rod of the second laser rangefinder 14 both pass through the through holes 17 .

[0026] In this embodiment, specifically: a calibration ruler 18 is fixedly connected to the lower surface of the mounting plate 12, and a scale line 19 is provided on the front surface of the calibration ruler 18; it can be used to check whether the lower surface position of the first laser rangefinder 13 and the lower surface position of the second laser rangefinder 14 are the same.

[0027] In this embodiment, specifically: the lower surface of the bottom plate 1 is evenly welded with supporting legs 20 for supporting the bottom plate 1 .

[0028] In this embodiment, specifically: a roller 21 is installed on the lower surface of the supporting leg 20 for moving the utility model.

[0029] In this embodiment, specifically: a handle 22 is fixedly connected to the rear surface of the mounting frame 2, which is used to push the utility model.

[0030] The working principle of the utility model is: place the bridge support on the horizontal ground in front of the base plate 1, start the motor 8 to drive the rotating shaft 9 and the gear 10 to rotate, the rack 7 meshing with the gear 10 drives the toothed plate 6 to move, the toothed plate 6 drives the slider 5 to move along the direction of the slide rod 4, the slider 5 drives the connecting rod 11 and the mounting plate 12 to move, when the mounting plate 12 is located above the bridge support, measure the distance between the lower surface of the first laser rangefinder 13 and the upper surface of the bridge support, and then measure the distance between the second laser rangefinder 14 and the ground. The difference between the two data is the height of the bridge support, thereby forming a bridge support detection device, which does not need to hold a tape measure to measure the height, the measurement worker's operation is simple, the detection error can be effectively avoided, the height of the bridge support can be accurately measured, and the practicality is stronger.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bridge support detection device, comprising a base plate (1), characterized in that: The upper surface of the bottom plate (1) is fixedly connected with a mounting frame (2), the front surface of the mounting frame (2) is provided with a mounting groove (3), the inner side wall of the mounting groove (3) is fixedly connected with a slide bar (4), the outer side wall of the slide bar (4) is slidably connected with a slider (5), the right surface of the slider (5) is fixedly connected with a tooth plate (6), the right surface of the tooth plate (6) is uniformly welded with a rack (7), the rear surface of the mounting frame (2) is fixedly installed with a motor (8), the output shaft end of the motor (8) is fixedly connected with a rotating shaft (9), and the rotating shaft (9) passes through The rear surface of the mounting frame (2) is rotatably connected to the inner wall of the mounting groove (3) via a bearing, the outer wall of the rotating shaft (9) is fixedly connected to a gear (10), the gear (10) is meshingly connected to the rack (7), the front surface of the slider (5) is fixedly connected to a connecting rod (11), the end of the connecting rod (11) away from the slider (5) is fixedly connected to a mounting plate (12), and the lower surface of the mounting plate (12) is respectively provided with a first laser rangefinder (13) and a second laser rangefinder (14).

2. The bridge support detection device according to claim 1, characterized in that: A first cylinder (15) is fixedly mounted on the left side of the upper surface of the mounting plate (12), one end of a piston rod of the first cylinder (15) is fixedly connected to the upper surface of the first laser rangefinder (13), and a second cylinder (16) is fixedly mounted on the right side of the upper surface of the mounting plate (12), one end of a piston rod of the second cylinder (16) is fixedly connected to the upper surface of the second laser rangefinder (14).

3. The bridge support detection device according to claim 2, characterized in that: The lower surface of the first laser rangefinder (13) and the lower surface of the second laser rangefinder (14) are at the same horizontal position.

4. The bridge support detection device according to claim 2, characterized in that: Two through holes (17) are provided on the upper surface of the mounting plate (12), and one end of the piston rod of the first laser rangefinder (13) and one end of the piston rod of the second laser rangefinder (14) both pass through the through holes (17).

5. The bridge support detection device according to claim 2, characterized in that: A calibration ruler (18) is fixedly connected to the lower surface of the mounting plate (12), and a scale line (19) is provided on the front surface of the calibration ruler (18).

6. The bridge support detection device according to claim 2, characterized in that: The lower surface of the bottom plate (1) is evenly welded with supporting legs (20).

7. The bridge support detection device according to claim 6, characterized in that: A roller (21) is installed on the lower surface of the supporting leg (20).

8. The bridge support detection device according to claim 6, characterized in that: A handle (22) is fixedly connected to the rear surface of the mounting frame (2).