Road flatness detection device

Abstract

The utility model discloses a road flatness detection device, which comprises a fixed frame, two symmetrical transfer structures are arranged at the bottom of the fixed frame, a fixed plate is welded at the top of the fixed frame, a limiting frame is welded at the top of the fixed plate, a control box is arranged in an inner cavity of the limiting frame, and the control box is connected with the fixed plate. Fixing frames are welded to the two sides of the limiting frame correspondingly, and grooves are formed in the tops of the fixing frames. The control box is placed in the inner cavity of the limiting frame, the buckle is pulled through the adjusting block to move upwards, the buckle extrudes the spring through the sliding plate, the spring is contracted, the buckle is located above the clamping strip, at the moment, the spring is loosened, the spring stretches to push the buckle to be buckled with the clamping strip, and the clamping strip is clamped. Therefore, the purposes of fixing the control device through the clamping structure, preventing the control device from falling off from the top of the movable frame and ensuring the stability of the control device on the top of the movable frame can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of highway flatness detection, in particular to a highway flatness detection device. Background Art

[0002] The highway pavement smoothness detection device is a device for evaluating the quality of the pavement. It mainly consists of a mobile frame and an operating device on its top. When the highway pavement smoothness detection device is in use, the control device needs to be set in the placement frame on the top of the mobile frame, and then the highway smoothness detection device is towed and tested by a vehicle. The pavement smoothness is one of the main technical indicators for evaluating the quality of the pavement. It is related to the safety and comfort of driving, the magnitude of the impact force on the pavement, and the service life. Therefore, it is necessary to implement a smoothness detection operation during the highway pavement detection process.

[0003] At present, most roads use a road flatness detection device to detect their flatness. The road flatness detection device may be bumpy during the detection, which may cause the control device to fall off the top of the mobile frame. The control device is relatively expensive. Therefore, a road flatness detection device is needed. The control device can be fixed by a clamping structure to prevent the control device from falling off the top of the mobile frame, thereby ensuring the stability of the control device on the top of the mobile frame. Utility Model Content

[0004] The utility model aims to provide a road flatness detection device, which can fix a control device through a clamping structure to prevent the control device from falling off the top of a mobile frame, thereby ensuring the stability of the control device on the top of the mobile frame, so as to solve the above-mentioned background technical problems.

[0005] The utility model solves the above-mentioned technical problem with a technical solution as follows: a highway flatness detection device, comprising a fixed frame, two symmetrical transfer structures are arranged at the bottom of the fixed frame, a fixed plate is welded at the top of the fixed frame, a limit frame is welded at the top of the fixed plate, a control box is arranged in the inner cavity of the limit frame, fixed frames are welded on both sides of the limit frame, a groove is opened at the top of the fixed frame, a slide plate is slidably connected to the inner cavity of the groove, two symmetrical sliding rods are welded to the inner cavity of the groove, the sliding rod passes through the slide plate and is slidably connected to the slide plate, the top of the sliding rod extends to the outside of the fixed frame and is rotatably connected with a buckle, a clamping strip is fixedly connected on both sides of the control box, the clamping strip is clamped with the clamping strip, a spring is sleeved on the surface of the sliding rod, the top of the spring is welded to the top of the inner cavity of the groove, and the bottom of the spring is welded to the top of the slide plate.

[0006] Preferably, an adjustment block is welded on a side of the buckle away from the control box, the adjustment block is rectangular, and anti-slip grooves are provided on the surface of the adjustment block.

[0007] Preferably, a traction frame is provided on the top of the fixed frame, a traction sleeve is welded on the right side of the traction frame, and a fixing bolt shaft is provided through the inner cavity of the traction sleeve.

[0008] Preferably, the limit frame is matched with the control box, the slide plate is matched with the opening at the top of the fixing frame, and the slide plate is an L-shaped steel plate.

[0009] Preferably, the adjusting block is parallel to the top of the buckle, and the surfaces of the fixing frame, the fixing plate and the traction frame are sprayed with anti-rust paint.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model places the control box in the inner cavity of the limit frame, pulls the buckle upward through the adjustment block, and makes the buckle squeeze the spring through the slide plate, so that the spring contracts and the buckle is located above the clamping strip. At this time, the spring is released to stretch and push the buckle to engage with the clamping strip, so that the control device can be fixed by the clamping structure, and the control device is prevented from falling off from the top of the mobile frame, thereby ensuring the stability of the control device on the top of the mobile frame.

[0012] 2. The utility model provides an adjustment block so that when the limit frame is assembled or disassembled, the buckle can be pulled out of the inner cavity of the clip bar through the adjustment block, thereby preventing the user from directly pulling the buckle and improving the convenience of the user in operating the buckle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] in:

[0014] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model;

[0015] Figure 2 This is a three-dimensional disassembled schematic diagram of a clamping structure of an embodiment of the utility model;

[0016] Figure 3 It is a front view schematic diagram of an embodiment of the utility model;

[0017] Figure 4 This is an embodiment of the utility model Figure 2 A partial enlarged view of point A in the middle.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Fixed frame, 2. Transfer structure, 3. Fixed plate, 4. Limit frame, 5. Control box, 6. Fixed frame, 7. Groove, 8. Slide plate, 9. Slide bar, 10. Buckle, 11. Card strip, 12. Spring, 13. Adjustment block, 14. Traction frame, 15. Traction sleeve. DETAILED DESCRIPTION

[0020] Hereinafter, embodiments of the road smoothness detection device of the present invention will be described with reference to the accompanying drawings.

[0021] Embodiment 1:

[0022] Figure 1-4 A road smoothness detection device according to an embodiment of the utility model is shown, which comprises: a fixed frame 1, two symmetrical transfer structures 2 are arranged at the bottom of the fixed frame 1, a fixed plate 3 is welded at the top of the fixed frame 1, a limit frame 4 is welded at the top of the fixed plate 3, a control box 5 is arranged in the inner cavity of the limit frame 4, an adjustment block 13 is welded on the side of the buckle 10 away from the control box 5, the adjustment block 13 is rectangular, and the surface of the adjustment block 13 is provided with anti-slip grooves. Through the setting of the adjustment block 13, when the limit frame 4 is disassembled and assembled, the buckle 10 can be pulled out of the inner cavity of the card strip 11 through the adjustment block 13, so that the user is prevented from directly pulling the buckle 10, thereby improving the convenience of the user's operation of the buckle 10. 13 is parallel to the top of the buckle 10, the surfaces of the fixed frame 1, the fixed plate 3 and the traction frame 14 are sprayed with anti-rust paint, the fixed frames 6 are welded on both sides of the limit frame 4, the top of the fixed frame 6 is provided with a groove 7, the inner cavity of the groove 7 is slidably connected with a slide plate 8, the inner cavity of the groove 7 is welded with two symmetrical slide bars 9, the slide bar 9 passes through the slide plate 8 and is slidably connected with the slide plate 8, the top of the slide bar 9 extends to the outside of the fixed frame 6 and is rotatably connected with the buckle 10, the two sides of the control box 5 are fixedly connected with the card strip 11, the buckle 10 is engaged with the card strip 11, the surface of the slide bar 9 is sleeved with a spring 12, the top of the spring 12 is welded to the top of the inner cavity of the groove 7, and the bottom of the spring 12 is welded to the top of the slide plate 8.

[0023] Embodiment 2:

[0024] Figure 1-4The present invention shows a road flatness detection device according to an embodiment of the present invention, which comprises: a fixed frame 1, a traction frame 14 is arranged on the top of the fixed frame 1, a traction sleeve 15 is welded on the right side of the traction frame 14, a fixed bolt shaft is arranged through the inner cavity of the traction sleeve 15, two symmetrical transfer structures 2 are arranged at the bottom of the fixed frame 1, a fixed plate 3 is welded on the top of the fixed frame 1, a limit frame 4 is welded on the top of the fixed plate 3, the limit frame 4 is matched with the control box 5, a slide plate 8 is matched with the opening at the top of the fixed frame 6, the slide plate 8 is an L-shaped steel plate, and a control bolt shaft is arranged in the inner cavity of the limit frame 4. The control box 5 and the limit frame 4 are welded with a fixing frame 6 on both sides, a groove 7 is opened on the top of the fixing frame 6, and a slide plate 8 is slidably connected to the inner cavity of the groove 7. Two symmetrical sliding rods 9 are welded to the inner cavity of the groove 7. The sliding rod 9 passes through the slide plate 8 and is slidably connected to the slide plate 8. The top of the sliding rod 9 extends to the outside of the fixing frame 6 and is rotatably connected with a buckle 10. Both sides of the control box 5 are fixedly connected with a clamping strip 11, and the buckle 10 is engaged with the clamping strip 11. A spring 12 is sleeved on the surface of the sliding rod 9, and the top of the spring 12 is welded to the top of the inner cavity of the groove 7, and the bottom of the spring 12 is welded to the top of the slide plate 8.

[0025] Working principle: When the utility model is used, the user places the control box 5 in the inner cavity of the limit frame 4, and pulls the buckle 10 upward through the adjusting block 13, so that the buckle 10 drives the slide plate 8 to slide upward in the inner cavity of the groove 7, so that the slide plate 8 squeezes the spring 12, and then the spring 12 contracts. At this time, the buckle 10 is moved to the top of the card strip 11, and the adjusting block 13 is released to extend the spring 12, pushing the slide plate 8 to slide downward, so that the buckle 10 moves downward and engages with the card strip 11, and the control box 5 can be fixed. Through the setting of the adjusting block 13, the user is prevented from directly pulling the buckle 10, which improves the convenience of the user's operation of the buckle 10.

[0026] In summary, the road smoothness detection device places the control box 5 in the inner cavity of the limit frame 4, pulls the buckle 10 upward through the adjustment block 13, and makes the buckle 10 squeeze the spring 12 through the slide plate 8, so that the spring 12 contracts and the buckle 10 is located above the clamping strip 11. At this time, the spring 12 is released to stretch and push the buckle 10 to engage with the clamping strip 11, so that the control device can be fixed by the clamping structure, and the control device can be prevented from falling off from the top of the mobile frame, thereby ensuring the stability of the control device on the top of the mobile frame.

Claims

1. A road smoothness detection device, characterized in that: The invention comprises a fixed frame (1): the bottom of the fixed frame (1) is provided with two symmetrical transfer structures (2); the top of the fixed frame (1) is welded with a fixed plate (3); the top of the fixed plate (3) is welded with a limit frame (4); the inner cavity of the limit frame (4) is provided with a control box (5); both sides of the limit frame (4) are welded with fixed frames (6); the top of the fixed frame (6) is provided with a groove (7); the inner cavity of the groove (7) is slidably connected with a slide plate (8); the inner cavity of the groove (7) is welded with two A symmetrical slide bar (9) passes through the slide plate (8) and is slidably connected to the slide plate (8); the top of the slide bar (9) extends to the outside of the fixed frame (6) and is rotatably connected to a buckle (10); both sides of the control box (5) are fixedly connected to a clamping strip (11); the buckle (10) and the clamping strip (11) are engaged with each other; a spring (12) is sleeved on the surface of the slide bar (9); the top of the spring (12) is welded to the top of the inner cavity of the groove (7); and the bottom of the spring (12) is welded to the top of the slide plate (8).

2. A road flatness detection device according to claim 1, characterized in that: An adjustment block (13) is welded on one side of the buckle (10) away from the control box (5); the adjustment block (13) is rectangular, and a surface of the adjustment block (13) is provided with anti-slip grooves.

3. A road flatness detection device according to claim 2, characterized in that: A traction frame (14) is arranged on the top of the fixed frame (1), a traction sleeve (15) is welded on the right side of the traction frame (14), and a fixing bolt shaft is arranged through the inner cavity of the traction sleeve (15).

4. A road flatness detection device according to claim 3, characterized in that: The limit frame (4) is matched with the control box (5), the slide plate (8) is matched with the opening at the top of the fixing frame (6), and the slide plate (8) is an L-shaped steel plate.

5. A road flatness detection device according to claim 4, characterized in that: The adjusting block (13) is parallel to the top of the buckle (10), and the surfaces of the fixing frame (1), the fixing plate (3) and the traction frame (14) are sprayed with anti-rust paint.

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