Support frame for bridge crack width observer

Abstract

The utility model discloses a support frame for a bridge crack width viewer, which belongs to the technical field of auxiliary bridge detection, and is characterized by comprising a machine body and an image acquisition module, the outer side of the machine body is movably connected with an upper frame, the outer side of the image acquisition module is movably connected with a support assembly, and the support assembly is movably connected with a lower frame. The machine body is installed and supported by arranging the upper rack, meanwhile, the structure is installed at the position where personnel can observe conveniently, the supporting assembly is arranged to be used for attaching the image collecting module to the ground observation position, the whole structure is taken up to replace the detection position, and the detection position can be moved in a small range through the transverse guide rail and the longitudinal guide rail; during detection, the telescopic cylinder extends and pushes the pressing plate to press downwards, the clamping frame connected with the pressing plate through the abutting spring also presses downwards while the pressing plate presses downwards, and because the image acquisition module is located on the inner side of the clamping frame and the inner side of the bottom clamp, the clamping frame and the bottom clamp fall down together and make contact with the ground.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary bridge inspection technology, and in particular to a support frame for a bridge crack width observation instrument. Background Technology

[0002] Bridge crack width observation is an important part of bridge inspection and maintenance. It is mainly used to assess the structural safety of bridges and monitor the development trend of defects. When cracks appear in the bridge structure, it is usually necessary to use a crack width observation instrument to detect the crack images and select the repair method according to its width.

[0003] Existing bridge crack width detectors mostly use an image acquisition module attached to the crack in the ground to acquire images and display them on the device's screen for personnel to judge and evaluate. However, due to the size of the device, personnel usually need to squat for a long time, which is not only physically demanding, but also inconvenient because the image acquisition module may be inaccurate due to shaking or trembling when held.

[0004] To address this, a support frame for a bridge crack width observation instrument is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a support frame for a bridge crack width observation instrument. This solves the problem that existing bridge crack width detectors mostly rely on an image acquisition module attached to the ground crack to acquire images and display them on the device's screen for personnel to judge and evaluate. However, due to the size of the device, personnel usually need to squat for a long time, which is not only physically demanding, but also inconvenient because the image acquisition module may be inaccurate due to shaking or trembling while being held.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a support frame for a bridge crack width observation instrument, comprising a main body and an image acquisition module, wherein an upper frame is movably connected to the outer side of the main body, and a support component is movably connected to the outer side of the image acquisition module;

[0007] The support assembly includes a card holder, with bottom clips rotatably connected to the front and rear sides of the bottom of the card holder, and base frames fixedly connected to the front and rear sides of the card holder. A bottom-touching wheel is rotatably connected between two adjacent base frames, and a pressure spring is fixedly connected to the top of the card holder. A pressure plate is fixedly connected to the top of the pressure spring.

[0008] The bottom of the upper frame is provided with a structural ring, the bottom of which is fixedly connected to an inner frame, and the top of the pressure plate is fixedly connected to a telescopic cylinder, the top of which is provided with a horizontal guide rail and a vertical guide rail.

[0009] Preferably, a slide rod is slidably connected to the inner side of the pressure plate, the bottom of the slide rod is fixedly connected to the bracket, and the slide rod is located inside the compression spring.

[0010] Preferably, the bottom of the front bottom card is fixedly connected with a buckle, and the bottom of the rear bottom card is fixedly connected with a hook, and the buckle and the hook engage.

[0011] Preferably, a control motor is installed on the left side of the horizontal guide rail and the rear side of the vertical guide rail. A lead screw is rotatably connected to the inner side of both the horizontal and vertical guide rails. A transmission block is threaded to the outer side of the lead screw. The bottom of the top transmission block is fixedly connected to the top of the vertical guide rail, and the bottom of the bottom transmission block is fixedly connected to the fixed end of the telescopic cylinder.

[0012] Preferably, the inner side of the inner frame is rotatably connected to a column, the bottom of the column is provided with an external thread, and the bottom of the column is threadedly connected to an assembly column.

[0013] Preferably, the bottom of the assembly column is fixedly connected to a placement seat, the bottom of the placement seat is fixedly connected to the top of the horizontal guide rail, and the bottom of the placement seat is provided with four support legs.

[0014] Preferably, a claw is slidably connected to the inner side of the upper frame, the claw is engaged with the top of the outer side of the machine body, and a tension spring is fixedly connected to the bottom of the claw, the bottom of the tension spring being fixedly connected to the upper frame.

[0015] Preferably, the rear side of the claw is provided with a dovetail block, the inner side of the upper frame is provided with a dovetail groove, and the outer side of the dovetail block and the inner side of the dovetail groove are slidably connected.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This application uses an upper frame to install and support the main body of the machine, and installs the structure in a position that is easy for personnel to observe. A support component is used to attach the image acquisition module to the ground observation point. In addition to lifting the entire structure to change the detection position, the detection position can also be moved within a small range by using horizontal and vertical guide rails. During detection, the telescopic cylinder extends and pushes the pressure plate down. At the same time as the pressure plate presses down, the bracket connected to it by a pressure spring also presses down. Since the image acquisition module is located inside the bracket and the bottom bracket, it will also fall together and contact the ground. At this time, the pressure spring is compressed and deformed. The bottom-touching wheels at the bottom of the base frame are used for auxiliary support to prevent the image acquisition module from being damaged due to excessive pressure. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the support frame for the bridge crack width observation instrument of this utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the support component of this utility model;

[0020] Figure 3 This is a bottom view of the main structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the bottom structure of the card holder of this utility model;

[0022] Figure 5 This is a schematic diagram of the connection of the horizontal guide rail of this utility model;

[0023] Figure 6 This is a schematic diagram of the connection of the chuck claw of this utility model.

[0024] In the diagram, 1. Main body; 2. Image acquisition module; 3. Upper frame; 4. Support assembly; 41. Card holder; 42. Base card; 43. Base frame; 44. Bottom roller; 45. Compression spring; 46. Pressure plate; 5. Structural ring; 6. Inner frame; 7. Telescopic cylinder; 8. Horizontal guide rail; 9. Vertical guide rail; 10. Lead screw; 11. Transmission block; 12. Slide rod; 13. Column; 14. Assembly column; 15. Placement seat; 16. Claw; 17. Tension spring. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-6 The present invention provides the following technical solution:

[0027] A support frame for a bridge crack width observation instrument includes a main body 1 and an image acquisition module 2. An upper frame 3 is movably connected to the outside of the main body 1, and a support component 4 is movably connected to the outside of the image acquisition module 2.

[0028] The support assembly 4 includes a card holder 41, with a bottom card 42 rotatably connected to the front and rear sides of the bottom of the card holder 41, a base frame 43 fixedly connected to the front and rear sides of the card holder 41, a bottom-touching wheel 44 rotatably connected between two adjacent base frames 43, a pressure spring 45 fixedly connected to the top of the card holder 41, and a pressure plate 46 fixedly connected to the top of the pressure spring 45.

[0029] The bottom of the upper frame 3 is provided with a structural ring 5, and the bottom of the structural ring 5 is fixedly connected to the inner frame 6. The top of the pressure plate 46 is fixedly connected to the telescopic cylinder 7, and the top of the telescopic cylinder 7 is provided with a horizontal guide rail 8 and a vertical guide rail 9.

[0030] In this embodiment: the upper frame 3 is used to install and support the main body 1, and the structure is installed in a position that is easy for personnel to observe. The support component 4 is used to attach the image acquisition module 2 to the ground observation point. In addition to lifting the entire structure to change the detection position, the detection position can also be moved within a small range by the horizontal guide rail 8 and the vertical guide rail 9. During detection, the telescopic cylinder 7 extends and pushes the pressure plate 46 down. At the same time as the pressure plate 46 is pressed down, the card holder 41 connected to it by the pressure spring 45 will also be pressed down. Since the image acquisition module 2 is located inside the card holder 41 and the bottom card 42, it will also fall together and contact the ground. At this time, the pressure spring 45 is compressed and deformed. The bottom wheel 44 located at the bottom of the base frame 43 is used for auxiliary support to prevent the image acquisition module 2 from being damaged due to excessive pressure.

[0031] Specifically, such as Figure 2 , Figure 4 As shown, a slide rod 12 is slidably connected to the inner side of the pressure plate 46. The bottom of the slide rod 12 is fixedly connected to the bracket 41. The slide rod 12 is located inside the compression spring 45.

[0032] Specifically, such as Figure 2 , Figure 4 As shown, the bottom of the front bottom clip 42 is fixedly connected with a buckle, and the bottom of the rear bottom clip 42 is fixedly connected with a hook, and the buckle and the hook engage.

[0033] Specifically, such as Figure 5 As shown, control motors are installed on the left side of the horizontal guide rail 8 and the rear side of the vertical guide rail 9. Lead screws 10 are rotatably connected to the inner sides of the horizontal guide rail 8 and the vertical guide rail 9. Transmission blocks 11 are threadedly connected to the outer side of the lead screws 10. The bottom of the top transmission block 11 is fixedly connected to the top of the vertical guide rail 9, and the bottom of the bottom transmission block 11 is fixedly connected to the fixed end of the telescopic cylinder 7.

[0034] In this embodiment: by setting the slide rod 12 in conjunction with the card holder 41, when the relative distance between the card holder 41 and the pressure plate 46 changes, the compression spring 45 is compressed. The slide rod 12 can limit the radial deformation of the compression spring 45, and at the same time, it can keep the displacement between the card holder 41 and the pressure plate 46 relatively perpendicular. By setting the buckle and the hook, the front bottom card 42 and the rear bottom card 42 can be easily connected to facilitate the disassembly and assembly of the image acquisition module 2. By setting the control motor, the lead screw 10 can be easily driven to rotate, thereby driving the transmission block 11 to move inside the horizontal guide rail 8 or the vertical guide rail 9, so as to drive the image acquisition module 2 to move within a small range.

[0035] Specifically, such as Figure 1 , Figure 3 As shown, the inner side of the inner frame 6 is rotatably connected to the column 13, the bottom of the column 13 is provided with external thread, and the bottom of the column 13 is threadedly connected to the assembly column 14.

[0036] Specifically, such as Figure 1 , Figure 3 As shown, a placement seat 15 is fixedly connected to the bottom of the assembly column 14. The bottom of the placement seat 15 is fixedly connected to the top of the horizontal guide rail 8. The bottom of the placement seat 15 is provided with four support legs.

[0037] In this embodiment: by setting the column 13 to cooperate with the external thread, when it is necessary to adjust the overall height of the structure, the column 13 can be rotated along the inner side of the inner frame 6 so that the threaded part of the column 13 is retracted into the inner side of the assembly column 14, so as to achieve the effect of adjusting the height of the device. By setting the placement seat 15 to cooperate with the support leg, it is easy to place the structure on the ground, and it is also used to install the horizontal guide rail 8.

[0038] Specifically, such as Figure 6 As shown, a claw 16 is slidably connected to the inner side of the upper frame 3. The claw 16 is engaged with the top of the outer side of the machine body 1. A tension spring 17 is fixedly connected to the bottom of the claw 16. The bottom of the tension spring 17 is fixedly connected to the upper frame 3.

[0039] Specifically, such as Figure 6 As shown, a dovetail block is provided on the rear side of the claw 16, and a dovetail groove is provided on the inner side of the upper frame 3. The outer side of the dovetail block and the inner side of the dovetail groove are slidably connected.

[0040] In this embodiment: by setting the claw 16 in conjunction with the tension spring 17, the claw 16 can be moved vertically along the upper frame 3 to facilitate quick assembly and disassembly of the machine body 1. When the claw 16 is moved, the tension spring 17 deforms to reset and lock the machine body 1. The dovetail block and dovetail groove are used to limit the relative movement between the claw 16 and the upper frame 3.

[0041] Working principle: When in use, first install the main body 1 on the upper frame 3 using the claw 16. The image acquisition module 2 is fixed between the bracket 41 and the bottom bracket 42 of the support component 4. Adjust the height of the column 13 and the assembly column 14 as needed, and place the placement seat 15 stably on the ground. Then, fine-tune the structural position to align with the crack using the horizontal guide rail 8 and the vertical guide rail 9. Activate the telescopic cylinder 7 so that the module can smoothly fit against the crack with the help of the pressure spring 45 and the bottom wheel 44. Then, the module acquires images and feeds them back to the display screen of the main body to complete the detection. Finally, retract the telescopic cylinder 7 and disassemble the various parts for storage.

[0042] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A support frame for a bridge crack width observation instrument, comprising a main body and an image acquisition module, characterized in that: An upper frame is movably connected to the outer side of the main body, and a support component is movably connected to the outer side of the image acquisition module. The support assembly includes a card holder, with bottom clips rotatably connected to the front and rear sides of the bottom of the card holder, and base frames fixedly connected to the front and rear sides of the card holder. A bottom-touching wheel for auxiliary support is rotatably connected between two adjacent base frames, and a pressure spring is fixedly connected to the top of the card holder. A pressure plate is fixedly connected to the top of the pressure spring. The bottom of the upper frame is provided with a structural ring, the bottom of which is fixedly connected to an inner frame, and the top of the pressure plate is fixedly connected to a telescopic cylinder, the top of which is provided with a horizontal guide rail and a vertical guide rail.

2. The support frame for a bridge crack width observation instrument according to claim 1, characterized in that: A slide rod is slidably connected to the inner side of the pressure plate. The bottom of the slide rod is fixedly connected to the bracket. The slide rod is located inside the compression spring.

3. The support frame for a bridge crack width observation instrument according to claim 1, characterized in that: The bottom of the front base plate is fixedly connected with a buckle, and the bottom of the rear base plate is fixedly connected with a hook. The buckle and the hook engage.

4. The support frame for a bridge crack width observation instrument according to claim 1, characterized in that: A control motor is installed on the left side of the horizontal guide rail and the rear side of the vertical guide rail. A lead screw is rotatably connected to the inner side of both the horizontal and vertical guide rails. A transmission block is threaded to the outer side of the lead screw. The bottom of the top transmission block is fixedly connected to the top of the vertical guide rail, and the bottom of the bottom transmission block is fixedly connected to the fixed end of the telescopic cylinder.

5. The support frame for a bridge crack width observation instrument according to claim 1, characterized in that: The inner side of the inner frame is rotatably connected to a column, and the bottom of the column is provided with an external thread. The bottom of the column is threadedly connected to an assembly column.

6. The support frame for a bridge crack width observation instrument according to claim 5, characterized in that: The bottom of the assembly column is fixedly connected to a placement seat, the bottom of the placement seat is fixedly connected to the top of the horizontal guide rail, and the bottom of the placement seat is provided with four support legs.

7. The support frame for a bridge crack width observation instrument according to claim 1, characterized in that: The inner side of the upper frame is slidably connected to a claw, which is engaged with the top of the outer side of the machine body. A tension spring is fixedly connected to the bottom of the claw, and the bottom of the tension spring is fixedly connected to the upper frame.

8. A support frame for a bridge crack width observation instrument according to claim 7, characterized in that: The rear side of the claw is provided with a dovetail block, and the inner side of the upper frame is provided with a dovetail groove. The outer side of the dovetail block and the inner side of the dovetail groove are slidably connected.

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