CN221824995U - A bridge deflection detection device - Google Patents

Abstract

The utility model provides bridge deflection detection equipment which comprises a bottom plate, wherein universal wheels are arranged at four corners of the bottom plate, a protecting shell is connected to the top of the bottom plate, a positioning shell is rotatably arranged at the top of the protecting shell, a fixing frame is connected to one side of the positioning shell, a laser range finder is arranged on the fixing frame, a lifting mechanism is arranged on the other side of the positioning shell and used for adjusting the height of the laser range finder, an adjusting component is arranged on one side of the protecting shell and used for adjusting the angle of the laser range finder, through holes are formed in one side of the surface of the positioning shell, sliding grooves are formed in two sides of the bottom of the fixing frame, and an output shaft of the rotating motor penetrates through an inner cavity of the positioning shell and is connected with a first bevel gear rod. The bridge deflection detection equipment provided by the utility model solves the problem that the existing device cannot effectively adjust the angle and the height in the detection process.

Description

A bridge deflection detection device

Technical Field

The utility model relates to the technical field of linear dimension measurement, in particular to a bridge deflection detection device.

Background Art

Deflection refers to the bending value of a building or its components in the horizontal or vertical direction. The beam of a bridge will bend downward in the middle, and a tall building will bend sideways. Deflection observation is to measure and analyze the degree of this bending through certain techniques, instruments or methods.

The utility model patent document with the authorization announcement number CN214173685U discloses a bridge deflection detection device, including a bottom plate, a first steel wire rope, a threaded rod is provided through the middle of the bottom plate, a box is fixedly connected to the top of the threaded rod, an opening is provided at the top of the box, a first mounting plate is provided inside the box, a first lifting ring is fixedly connected to the upper surface of the first mounting plate, a second steel wire rope is sleeved inside the first lifting ring, a hanging hammer is fixedly connected to the bottom of the first steel wire rope, a second mounting plate is fixedly connected to the outer surface of the hanging hammer near the bottom, a second lifting ring is fixedly connected to the bottom surface of the second mounting plate, and the second lifting ring is connected to the other end of the corresponding second steel wire rope through a hook sleeve. In the utility model, the first mounting plate is lifted by the steel wire rope, and the first mounting plate is placed in a horizontal position under the action of gravity, so as to avoid artificial repeated adjustment of the first mounting plate by repeatedly adjusting the support legs, etc., and improve work efficiency. The device is fixedly connected to the second lifting ring through the bottom surface of the second mounting plate, and the second lifting ring is connected to the other end of the corresponding second steel wire rope through a hook sleeve. In the utility model, the first mounting plate is suspended by a steel wire rope, and the first mounting plate is placed in a horizontal position under the action of gravity, thereby avoiding manual repeated adjustment of the first mounting plate by repeatedly adjusting the supporting feet, etc., thereby improving work efficiency.

The device is fixedly connected to a second lifting ring through the bottom surface of the second mounting plate, and the second lifting ring is connected to the other end of the corresponding second steel wire rope through a hook. In the utility model, the first mounting plate is lifted by the steel wire rope, and the first mounting plate is in a horizontal position under the action of gravity, avoiding manual repeated adjustment of the first mounting plate by repeatedly adjusting the supporting feet, etc., thereby improving work efficiency.

The bridge deflection detection equipment currently on the market is not easy to flexibly adjust according to height changes during the detection process because the bridge detection points are different. Workers are often required to frequently adjust the equipment position to obtain the best test angle. This not only brings a lot of inconvenience to the workers' detection work, but also affects the accuracy of the detection data of the bridge deflection test. Therefore, it is inconvenient to operate.

To this end, it is necessary to provide a bridge deflection detection device that can effectively adjust its angle and height during the detection process to solve the above technical problems.

Utility Model Content

In order to solve the above technical problems, the utility model provides a bridge deflection detection device.

The utility model provides a bridge deflection detection device, comprising a base plate, four corners of the bottom of the base plate are provided with universal wheels, the top of the base plate is connected with a protective shell, the top of the protective shell is rotatably mounted with a positioning shell, one side of the positioning shell is connected with a fixing frame, a laser rangefinder is mounted on the fixing frame, a lifting mechanism is provided on the other side of the positioning shell, the lifting mechanism is used to adjust the height of the laser rangefinder, one side of the protective shell is provided with an adjustment component, the adjustment component is used to adjust the angle of the laser rangefinder, a through hole is provided on one side of the surface of the positioning shell, and sliding grooves are provided on both sides of the bottom of the fixing frame.

Preferably, the lifting mechanism includes a rotating motor, the output shaft of the rotating motor passes through the inner cavity of the positioning shell and is connected to a first bevel gear rod, the first bevel gear rod is meshingly connected to a second bevel gear rod, the bottom of the second bevel gear rod is connected to the positioning shell through a bearing, the top of the second bevel gear rod is connected to a screw rod, the surface of the screw rod is connected to a threaded sleeve, one side of the threaded sleeve is connected to a positioning rod, a through hole is opened on one side of the surface of the positioning shell, one side of the positioning rod passes through the through hole and is connected to a fixed frame.

Preferably, the adjustment assembly includes a turntable, the bottom of which passes through the inner cavity of the protective shell and is connected to a first turntable gear plate, one side of the first turntable gear plate is meshingly connected to a second turntable gear plate, the bottom of the second turntable gear plate is connected to the base plate through a bearing, and the top of the second turntable gear plate passes through the outer wall of the protective shell and is connected to the positioning shell.

Preferably, a limit ring is fixedly installed in the middle of the turntable, and the limit ring is rotatably installed in the installation hole of the protective shell.

Preferably, both sides of the bottom of the fixing frame are provided with sliding grooves, the inner cavity of the sliding groove is connected to a sliding rod, the surface of the sliding rod is connected to a sliding block, the top of the sliding block is connected to a clamping plate, and the opposite sides of the two clamping plates are in contact with the laser rangefinder.

Preferably, one side of the sliding block is connected to a spring, and one side of the spring is connected to the inner wall of the sliding groove.

Preferably, T-shaped slide rails are provided on both sides of the fixing frame, the inner cavities of the T-shaped slide rails are connected to T-shaped sliders, and one side of the T-shaped sliders is connected to the corresponding clamping plates.

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

The bridge deflection detection device can effectively adjust its angle and height during the detection process through a built-in lifting mechanism and adjustment components, which solves the problem that the bridge deflection detection device currently on the market is not convenient for flexible adjustment according to height changes during the detection process due to the different detection points of the bridge. The staff often needs to frequently adjust the position of the equipment to obtain the best test angle, which not only brings many inconveniences to the staff's detection work, but also affects the accuracy of the detection data of the bridge deflection test, and is therefore inconvenient to operate.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a preferred embodiment of a bridge deflection detection device provided by the present invention;

FIG2 is a schematic diagram of the structure of the lifting mechanism and the adjusting assembly shown in FIG1 ;

FIG. 3 is a schematic structural diagram of the fixing frame shown in FIG. 1 .

Numbers in the figure: 1. Base plate; 2. Universal wheel; 3. Protective shell; 4. Positioning shell; 5. Fixed bracket; 6. Laser rangefinder; 7. Lifting mechanism; 71. Rotating motor; 72. First bevel gear rod; 73. Second bevel gear rod; 74. Screw rod; 75. Screw sleeve; 76. Positioning rod; 8. Adjustment assembly; 81. Turntable; 82. First turntable gear plate; 83. Second turntable gear plate; 84. Limiting ring; 9. Slide groove; 10. Slide rod; 11. Sliding block; 12. Clamping plate; 13. Spring; 14. T-type slide rail; 15. T-type slider.

DETAILED DESCRIPTION

The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

Please refer to Figures 1, 2 and 3, wherein Figure 1 is a schematic structural diagram of a preferred embodiment of a bridge deflection detection device provided by the utility model; Figure 2 is a schematic structural diagram of a lifting mechanism and an adjustment component shown in Figure 1; and Figure 3 is a schematic structural diagram of a fixing frame shown in Figure 1. A bridge deflection detection device comprises a base plate 1, a universal wheel 2 is fixed to the bottom of the base plate 1 by four corner bolts, a protective shell 3 is fixed to the top of the base plate 1 by bolts, a positioning shell 4 is rotatably mounted on the top of the protective shell 3, a fixing frame 5 is connected to one side of the positioning shell 4, a laser rangefinder 6 is mounted on the fixing frame 5, a lifting mechanism 7 is arranged on the other side of the positioning shell 4, the lifting mechanism 7 is used to facilitate the height adjustment of the laser rangefinder 6 during detection, an adjustment component 8 is arranged on one side of the protective shell 3, and the adjustment component 8 is used to facilitate the angle adjustment of the laser rangefinder 6 during detection, a through hole is opened on one side of the surface of the positioning shell 4, and slide grooves 9 are opened on both sides of the bottom of the fixing frame 5.

In the specific implementation process, as shown in Figures 1 and 2, the lifting mechanism 7 includes a rotating motor 71, one side of the rotating motor 71 is bolted to the positioning shell 4, the output shaft of the rotating motor 71 passes through the inner cavity of the positioning shell 4 and is keyed to the first bevel gear rod 72, one side of the first bevel gear rod 72 is meshedly connected with the second bevel gear rod 73, the bottom of the second bevel gear rod 73 is connected to the positioning shell 4 through a bearing, a screw rod 74 is welded and fixed to the top of the second bevel gear rod 73, the surface of the screw rod 74 is threadedly connected with a wire sleeve 75, and a positioning rod 76 is welded and fixed to one side of the wire sleeve 75, a through hole is opened on one side of the surface of the positioning shell 4, one side of the positioning rod 76 passes through the through hole and is bolted to the fixing frame 5.

When the height of the laser rangefinder 6 needs to be adjusted, the rotating motor 71 is first started, and the output shaft of the rotating motor 71 drives the first bevel gear rod 72 to rotate, and the first bevel gear rod 72 drives the second bevel gear rod 73 to rotate. When the second bevel gear rod 73 rotates, the screw rod 74 is driven to rotate. When the screw rod 74 rotates, the wire sleeve 75 is driven to move up and down. When the wire sleeve 75 moves up and down, the positioning rod 76 is driven to move up and down. When the positioning rod 76 moves, the fixing frame 5 and the laser rangefinder 6 are driven to move up and down, so that the height can be adjusted during bridge inspection.

Referring to Figures 1 and 2, the adjustment assembly 8 includes a turntable 81, the bottom of which passes through the inner cavity of the protective shell 3 and is keyed to a first turntable gear plate 82, one side of the first turntable gear plate 82 is meshedly connected to a second turntable gear plate 83, the bottom of the second turntable gear plate 83 is connected to the base plate 1 through a bearing, and the top of the second turntable gear plate 83 passes through the outer wall of the protective shell 3 and is bolted to the positioning shell 4.

When the angle of the laser rangefinder 6 needs to be adjusted, first manually rotate the turntable 81. When the turntable 81 rotates, the first rotating rod gear plate 82 is driven to rotate. The first rotating rod gear plate 82 drives the second rotating rod gear plate 83 to rotate. The second rotating rod gear plate 83 drives the positioning shell 4 to rotate, so that the angle of the laser rangefinder 6 can be adjusted.

As shown in FIG. 2 , a limit ring 84 is fixedly installed in the middle of the turntable 81 , and the limit ring 84 is rotatably installed in the installation hole of the protective shell 3 .

The connection between the limiting ring 84 and the protective shell 3 has the effect of limiting the movement of the rotating disk 81 during rotation.

Referring to Figures 2 and 3, both sides of the bottom of the fixed frame 5 are provided with slide grooves 9, the inner cavity of the slide groove 9 is welded and fixed with a slide rod 10, the surface of the slide rod 10 is slidably inserted with a slide block 11, and the top of the slide block 11 is welded and fixed with a clamping plate 12, and the opposite sides of the two clamping plates 12 are in contact with the laser rangefinder 6.

When the laser rangefinder 6 needs to be clamped and fixed, the two clamping plates 12 are first pulled outward, and while the clamping plates 12 are pulled out, the sliding block 11 is driven to assist in moving on the surface of the slide rod 10, and then the laser rangefinder 6 is placed on the surface of the fixed frame 5, and then the clamping plates 12 are relatively moved, so that the laser rangefinder 6 can be stably clamped.

As shown in FIG. 3 , a spring 13 is welded and fixed to one side of the sliding block 11 , and one side of the spring 13 is fixed to the inner wall of the sliding groove 9 by bolts.

The connection between the spring 13 and the slide slot 9 provides a buffering effect on the sliding block 11 .

As shown in FIG. 3 , T-shaped rails 14 are provided on both sides of the fixing frame 5 , and T-shaped sliders 15 are slidably inserted into the inner cavities of the T-shaped rails 14 , and one side of the T-shaped sliders 15 is welded and fixed to the corresponding clamping plates 12 .

The connection between the T-shaped slide block 15 and the T-shaped slide rail 14 can assist the clamping plate 12 in stabilizing its movement.

The working principle of a bridge deflection detection device provided by the utility model is as follows:

When in use, the device is moved to the position where the bridge needs to be inspected, and then the two clamping plates 12 are pulled outward. When the clamping plates 12 are pulled out, the sliding block 11 is driven to assist in moving and pulling out on the surface of the sliding rod 10, and then the laser rangefinder 6 is placed on the surface of the fixing frame 5, and then the clamping plates 12 are relatively moved, and the laser rangefinder 6 is clamped and fixed. Next, when the height of the laser rangefinder 6 needs to be adjusted, the rotating motor 71 is started, and the output shaft of the rotating motor 71 drives the first bevel gear rod 72 to rotate, and while the first bevel gear rod 72 rotates, it drives the second bevel gear rod 73 to mesh and rotate, and when the second bevel gear rod 73 rotates, it drives the screw rod 7 4 is rotated, and the threaded rod 74 is driven to move up and down while the threaded rod 74 is rotated, and the positioning rod 76 is driven to move while the threaded rod 75 is moved up and down, and the fixing frame 5 and the laser rangefinder 6 are adjusted up and down while the positioning rod 76 is moved. Finally, when the laser rangefinder 6 needs to be adjusted and measured at an angle, the turntable 81 is rotated by manual rotation, and the first rotating rod gear plate 82 is driven to rotate while the turntable 81 is rotated, and the second rotating rod gear plate 83 is meshed and rotated while the first rotating rod gear plate 82 is rotated, and the positioning housing 4 is driven to rotate while the second rotating rod gear plate 83 is rotated, so that the angle of the laser rangefinder 6 can be adjusted.

The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims (7)

1. Bridge deflection check out test set, a serial communication port, including bottom plate (1), the four corners of bottom plate (1) bottom all is equipped with universal wheel (2), the top of bottom plate (1) is connected with protecting crust (3), locating crust (4) are installed in the top rotation of protecting crust (3), one side of locating crust (4) is connected with mount (5), install laser range finder (6) on mount (5), the opposite side of locating crust (4) is provided with elevating system (7), elevating system (7) are used for carrying out altitude mixture control to laser range finder (6), one side of protecting crust (3) is equipped with adjusting part (8), adjusting part (8) are used for carrying out angle modulation to laser range finder (6).

2. The bridge deflection detection device according to claim 1, wherein the lifting mechanism (7) comprises a rotating motor (71), an output shaft of the rotating motor (71) penetrates through an inner cavity of the positioning shell (4) and is connected with a first bevel gear rod (72), the first bevel gear rod (72) is connected with a second bevel gear rod (73) in a meshed mode, the bottom of the second bevel gear rod (73) is connected with the positioning shell (4) through a bearing, the top of the second bevel gear rod (73) is connected with a screw rod (74), the surface of the screw rod (74) is connected with a wire sleeve (75), one side of the wire sleeve (75) is connected with a positioning rod (76), a through hole is formed in one side of the surface of the positioning shell (4), and one side of the positioning rod (76) penetrates through the through hole and is connected with the fixing frame (5).

3. The bridge deflection detection device according to claim 1, wherein the adjusting component (8) comprises a rotary table (81), the bottom of the rotary table (81) penetrates through the inner cavity of the protective shell (3) and is connected with a first rotary rod gear disc (82), one side of the first rotary rod gear disc (82) is connected with a second rotary rod gear disc (83) in a meshed mode, the bottom of the second rotary rod gear disc (83) is connected with the bottom plate (1) through a bearing, and the top of the second rotary rod gear disc (83) penetrates through the outer portion of the protective shell (3) and is connected with the positioning shell (4).

4. A bridge deflection detecting device according to claim 3, wherein a limit ring (84) is fixedly installed in the middle of the turntable (81), and the limit ring (84) is rotatably installed in the installation hole of the protective shell (3).

5. The bridge deflection detection device according to claim 1, wherein sliding grooves (9) are formed in two sides of the bottom of the fixing frame (5), a sliding rod (10) is connected to an inner cavity of the sliding groove (9), a sliding block (11) is connected to the surface of the sliding rod (10), clamping plates (12) are connected to the top of the sliding block (11), and two opposite sides of the clamping plates (12) are in contact with the laser range finder (6).

6. The bridge deflection detection device according to claim 5, wherein one side of the sliding block (11) is connected with a spring (13), and one side of the spring (13) is connected with the inner wall of the chute (9).

7. The bridge deflection detection device according to claim 5, wherein the two sides of the fixing frame (5) are provided with T-shaped sliding rails (14), the inner cavities of the T-shaped sliding rails (14) are connected with T-shaped sliding blocks (15), and one sides of the T-shaped sliding blocks (15) are connected with the corresponding clamping plates (12).