Bridge displacement measuring device

Abstract

The utility model discloses a bridge displacement measuring device, which belongs to the technical field of bridge monitoring and comprises a first vertical plate, an auxiliary component is arranged in the first vertical plate, a second vertical plate is arranged on the side surface of the first vertical plate, and a reading component is mounted in the second vertical plate. When the screw rod is rotated, the screw rod can drive the measuring rod to move in a limited mode under the meshing connection between the screw rod and the support, the side end of the sliding rod can be located at the zero scale position of the scales by controlling the measuring rod to move, follow-up displacement calculation is facilitated, and therefore the device is more convenient to use. Through the arrangement of the auxiliary assembly, the sliding rod can conduct limiting lifting movement in the through groove through the limiting blocks on the two sides of the sliding block, the stability of the sliding rod can be higher under the elastic acting force of the spring, the sliding rod can be used in cooperation with vertical staggering between the first vertical plate and the second vertical plate, the structure is reasonable, and therefore the using effect of the device is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge monitoring, and in particular relates to a bridge displacement measuring device. Background Art

[0002] The main contents of bridge engineering survey include bridge location survey and bridge construction survey. To build a bridge, various surveying works are required, including survey, construction survey, completion survey, etc. During the construction process and after completion and opening to traffic, deformation observation work is also required.

[0003] Chinese patent application No. 202022135716.6 discloses a bridge displacement measuring device, which relates to the field of bridge monitoring; it comprises a base plate A and a base plate B, the upper surface of the base plate A is fixedly connected with a vertical plate A, the inner surface of the vertical plate A is fixedly connected with a telescopic inner rod and a measuring rod, the telescopic inner rod penetrates and is inserted into the telescopic outer rod, a slide groove is provided inside the measuring rod, a vertical plate B parallel to the vertical plate A is fixedly connected to the upper surface of the base plate B, a sleeve rod is fixedly connected to the inner side of the vertical plate B, the sleeve rod is fitted with the telescopic outer rod at the part parallel to the vertical plate B, a fixed block is fixed on the outer surface of the sleeve rod, the fixed block is on the side facing the measuring rod, a sliding rod is fixed on the outer surface of the fixed block, the end of the sliding rod away from the fixed block is inserted into the slide groove, and the upper end surface of the telescopic outer rod is fixedly connected with a limiting rod. The device realizes the measurement of the horizontal and vertical displacement of the bridge through the arrangement of the sleeve rod, the telescopic outer rod, the measuring rod and the sliding rod.

[0004] In the above-mentioned public patent, when the vertical plates A and B move in the vertical direction, the sliding rod will collide with the measuring rod and cause damage. After the vertical plates A and B are installed and fixed, the distance between them cannot be well controlled, resulting in the sliding rod being unable to determine the starting position of the scale on the measuring rod, which is not conducive to reading and measurement. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a bridge displacement measuring device, which has the characteristics of reasonable structure and good use effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bridge displacement measuring device, comprising a vertical plate one, an auxiliary component is provided inside the vertical plate one, a sliding rod is connected to the side of the auxiliary component, a vertical plate two is provided on the side of the vertical plate one, a reading component is installed inside the vertical plate two, a measuring rod is connected to the side of the reading component, a scale is provided on the surface of the measuring rod, a vertical displacement measuring mechanism is connected between the vertical plates one and two, and a bottom plate is connected to the bottom of the vertical plates one and two.

[0007] Preferably, the reading component includes a monitoring component, a positioning block, a positioning sleeve, a screw and a support, wherein the support is installed inside the second vertical plate, the side end of the measuring rod is installed with a positioning sleeve, the positioning block is embedded inside the positioning sleeve, the side of the positioning block is connected with a screw, and the side of the second vertical plate is connected with the monitoring component.

[0008] Preferably, the inner groove of the positioning sleeve and the positioning block are both circular structures, a threaded hole is provided inside the support, and the measuring rod and the inner groove of the support are both square columnar structures.

[0009] Preferably, the monitoring component includes a camera, a motor and a fixed plate, wherein the side of the second vertical plate is connected to the fixed plate, the bottom of the fixed plate is provided with a motor, the top of the motor is connected to the camera, and the camera is located directly to the side of the scale.

[0010] Preferably, the auxiliary component includes a slider, a limit block and a through slot, wherein a through slot is provided inside the vertical plate 1, the side end of the slide rod is connected to the slider, and both sides of the slider are connected to the limit blocks.

[0011] Preferably, springs are connected to both sides of the sliding block inside the through slot, the through slot is in a cross-shaped structure, and the limiting block fits tightly against the inner wall of the through slot.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a reading component, and the positioning sleeve limits the positioning block. The rotating screw is engaged with the support, and the screw can drive the measuring rod to move in a limited position. By controlling the movement of the measuring rod, the side end of the sliding rod can be located at the zero scale position of the scale, which is convenient for subsequent calculation of the displacement and makes the device more convenient to use.

[0014] 2. The utility model sets an auxiliary component, and the slide bar can be limited and lifted and lowered inside the through groove through the limit blocks on both sides of the slider. Under the elastic force of the spring, the stability of the slide bar can be higher. The slide bar can be used in conjunction with the vertical staggered between the vertical plate 1 and the vertical plate 2. The reasonable structure makes the use effect of the device better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 This is a front view of the auxiliary component of the utility model;

[0017] Figure 3 It is the front view of the reading component of the utility model.

[0018] In the figure: 1. vertical plate 1; 2. auxiliary component; 21. spring; 22. slider; 23. limit block; 24. through slot; 3. vertical displacement measuring mechanism; 4. bottom plate; 5. vertical plate 2; 6. reading component; 61. monitoring component; 611. camera; 612. motor; 613. fixing plate; 62. positioning block; 63. positioning sleeve; 64. screw; 65. support; 7. measuring rod; 8. slide rod; 9. scale. DETAILED DESCRIPTION

[0019] 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. 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 creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] See also Figure 1-3 The utility model provides the following technical solutions: a bridge displacement measuring device, comprising a vertical plate 1, an auxiliary component 2 is provided inside the vertical plate 1, a sliding rod 8 is connected to the side of the auxiliary component 2, a vertical plate 2 5 is provided on the side of the vertical plate 1, a reading component 6 is installed inside the vertical plate 2 5, a measuring rod 7 is connected to the side of the reading component 6, a scale 9 is provided on the surface of the measuring rod 7, a vertical displacement measuring mechanism 3 is connected between the vertical plate 1 and the vertical plate 2 5, and a bottom plate 4 is connected to the bottom of the vertical plate 1 and the vertical plate 2 5.

[0022] Specifically, the reading component 6 includes a monitoring component 61, a positioning block 62, a positioning sleeve 63, a screw 64 and a support 65. The support 65 is installed inside the vertical plate 25, the positioning sleeve 63 is installed on the side end of the measuring rod 7, the positioning block 62 is embedded in the positioning sleeve 63, the side of the positioning block 62 is connected to the screw 64, and the side of the vertical plate 25 is connected to the monitoring component 61.

[0023] By adopting the above technical solution, the positioning sleeve 63 limits the positioning block 62, and the rotating screw 64 is engaged with the support 65, so that the screw 64 can drive the measuring rod 7 to move in a limited manner. By controlling the movement of the measuring rod 7, the side end of the sliding rod 8 can be located at the zero scale position of the scale 9, which is convenient for subsequent calculation of the displacement and makes the device more convenient to use.

[0024] Specifically, the inner groove of the positioning sleeve 63 and the positioning block 62 are both circular structures, a threaded hole is provided inside the support 65, and the measuring rod 7 and the inner groove of the support 65 are both square columnar structures.

[0025] By adopting the above technical solution, the inner groove of the positioning sleeve 63 and the positioning block 62 are both circular structures, which makes it easy for the screw rod 64 to drive the measuring rod 7 to move synchronously for position adjustment.

[0026] Specifically, the monitoring component 61 includes a camera 611, a motor 612 and a fixed plate 613. The side of the vertical plate 5 is connected to the fixed plate 613. The bottom of the fixed plate 613 is provided with a motor 612. The top of the motor 612 is connected to the camera 611. The camera 611 is located directly to the side of the scale 9.

[0027] By adopting the above technical solution, the camera 611 on the top of the fixed plate 613 can be remotely monitored, and the starting motor 612 can control the steering of the camera 611, which is convenient for the staff to remotely calculate the horizontal and vertical displacement of the bridge, making it more convenient to use.

[0028] When this embodiment is used, the vertical plate 1 and the vertical plate 2 5 are fixed on the bridge through the base plate 4, the positioning sleeve 63 limits the positioning block 62, and the rotating screw 64 is engaged with the support 65. The screw 64 can drive the measuring rod 7 to move in a limited manner. By controlling the movement of the measuring rod 7, the side end of the slide bar 8 can be located at the zero scale position of the scale 9, which is convenient for subsequent calculation of the displacement and makes the device more convenient to use. The horizontal displacement of the bridge can be calculated by the indication of the scale 9 pointed to by the side end of the slide bar 8, and the vertical displacement of the bridge can be calculated by the vertical displacement measuring mechanism 3. The camera 611 on the top of the fixed plate 613 can be remotely monitored, and the starting motor 612 can control the steering of the camera 611, which is convenient for the staff to remotely calculate the horizontal and vertical displacements of the bridge, making it more convenient to use.

[0029] Example 2

[0030] The difference between this embodiment and embodiment 1 is that the auxiliary component 2 includes a slider 22, a limit block 23 and a through slot 24, a through slot 24 is opened inside the vertical plate 1, the side end of the slide rod 8 is connected to the slider 22, and the limit blocks 23 are connected to both sides of the slider 22.

[0031] Specifically, springs 21 are connected to both sides of the slider 22 in the through slot 24 . The through slot 24 is in a cross-shaped structure, and the limiting block 23 is tightly fitted to the inner wall of the through slot 24 .

[0032] By adopting the above technical solution, the slide bar 8 can be limited and lifted inside the through groove 24 through the limit blocks 23 on both sides of the slider 22. Under the elastic force of the spring 21, the slide bar 8 can be made more stable. The slide bar 8 can be used in conjunction with the vertical staggered connection between the vertical plate 1 and the vertical plate 2 5. The reasonable structure makes the use of the device better.

[0033] When this embodiment is used, the slide bar 8 can be limited and raised and lowered inside the through groove 24 through the limit blocks 23 on both sides of the slider 22. Under the elastic force of the spring 21, the slide bar 8 can be made more stable. The slide bar 8 can be used in conjunction with the vertical staggered connection between the vertical plate 1 and the vertical plate 2 5. The reasonable structure makes the use of the device better.

[0034] The motor 612 in the utility model is an existing disclosed technology, and the selected model is Z2D15W.

[0035] The structure and usage principle of the vertical plate 1, vertical displacement measuring mechanism 3, base plate 4, vertical plate 2 5, measuring rod 7, slide bar 8 and scale 9 in the utility model have been disclosed in Chinese patent application No. 202022135716.6 which discloses a bridge displacement measuring device. Its working principle is to fix the vertical plate 1 and the vertical plate 2 5 on the bridge through the base plate 4, and the vertical displacement measuring mechanism 3 can measure the vertical displacement of the bridge. Sliding occurs between the measuring rod 7 and the slide bar 8, and the horizontal displacement of the bridge can be measured by comparing the scale 9 on the side end of the slide bar 8.

[0036] Working principle and use process of the utility model: When the utility model is used, the vertical plate 1 and the vertical plate 2 5 are fixed on the bridge through the bottom plate 4, the positioning sleeve 63 limits the positioning block 62, and the screw rod 64 is rotated. Under the meshing connection between the screw rod 64 and the support 65, the screw rod 64 can drive the measuring rod 7 to move within the limit position. By controlling the movement of the measuring rod 7, the side end of the slide bar 8 can be located at the zero scale position of the scale 9, which is convenient for subsequent calculation of the displacement and makes the device more convenient to use. The horizontal displacement of the bridge can be calculated by the scale 9 indicated by the side end of the slide bar 8, and the horizontal displacement of the bridge can be calculated by the scale 9 indicated by the side end of the slide bar 8. The vertical displacement of the bridge can be calculated through the vertical displacement measuring mechanism 3, the camera 611 on the top of the fixed plate 613 can be remotely monitored, and the starting motor 612 can control the steering of the camera 611, so that the staff can remotely calculate the horizontal and vertical displacements of the bridge. The slide bar 8 can be limited and lifted and lowered inside the through groove 24 through the limit blocks 23 on both sides of the slider 22. Under the elastic force of the spring 21, the stability of the slide bar 8 can be higher. The slide bar 8 can be used in conjunction with the vertical staggered use between the vertical plate 1 and the vertical plate 2 5. The reasonable structure makes the use of the device better.

[0037] 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 displacement measuring device, comprising a vertical plate 1, characterized in that: An auxiliary component is provided inside the vertical plate one, a sliding rod is connected to the side of the auxiliary component, a vertical plate two is provided on the side of the vertical plate one, a reading component is installed inside the vertical plate two, a measuring rod is connected to the side of the reading component, a scale is provided on the surface of the measuring rod, a vertical displacement measuring mechanism is connected between the vertical plates one and two, and a base plate is connected to the bottom of the vertical plates one and two.

2. A bridge displacement measuring device according to claim 1, characterized in that: The reading component includes a monitoring component, a positioning block, a positioning sleeve, a screw and a support, wherein the support is installed inside the second vertical plate, the side end of the measuring rod is installed with a positioning sleeve, the positioning block is embedded inside the positioning sleeve, the side of the positioning block is connected with a screw, and the side of the second vertical plate is connected with the monitoring component.

3. A bridge displacement measuring device according to claim 2, characterized in that: The inner groove of the positioning sleeve and the positioning block are both circular structures, a threaded hole is provided inside the support, and the measuring rod and the inner groove of the support are both square columnar structures.

4. A bridge displacement measuring device according to claim 2, characterized in that: The monitoring component includes a camera, a motor and a fixed plate, wherein the side of the second vertical plate is connected to the fixed plate, the bottom of the fixed plate is provided with a motor, the top of the motor is connected to the camera, and the camera is located directly to the side of the scale.

5. The bridge displacement measuring device according to claim 1, characterized in that: The auxiliary component includes a slider, a limit block and a through slot, wherein a through slot is provided inside the vertical plate 1, the side end of the slide bar is connected to the slider, and both sides of the slider are connected to the limit blocks.

6. A bridge displacement measuring device according to claim 5, characterized in that: Springs are connected to both sides of the sliding block inside the through slot. The through slot is in a cross-shaped structure, and the limiting block fits tightly against the inner wall of the through slot.

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