Road flatness detection device

Abstract

The utility model provides a road flatness detection device which is characterized in that the road flatness detection device comprises a casing, the bottom of the casing is open, a handle is fixedly erected on the top of the casing, supports are arranged on two sides of two ends of the casing, and moving wheels are arranged at the bottoms of the supports; a linear driving mechanism is arranged in the machine shell, the linear driving mechanism is provided with a moving block which reciprocates along the linear driving mechanism, and a distance measuring sensor is arranged on one side of the moving block; according to the utility model, the linear driving mechanism can drive the moving block to linearly reciprocate along the linear driving mechanism, and the stable movement of the moving block can drive the distance measuring sensor on one side of the moving block to stably move, so that the accuracy of a detection result is ensured; before the linear driving mechanism drives the distance measuring sensor to move for detection, the sweeping motor drives the sweeping roller to rotate rapidly, the sweeping roller electric push rod contracts, the swing arm is pulled to swing, the swing arm drives the sweeping roller to make contact with the ground under the distance measuring sensor, gravel particles and other sundries under the sweeping roller are cleaned away, and the accuracy of the detection result is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of highway construction detection, specifically relates to a highway flatness detection device. BACKGROUND

[0002] The highway flatness is an important index in highway pavement evaluation and pavement construction acceptance, mainly reflects the flatness of the pavement longitudinal section profile curve, when the pavement longitudinal section profile curve is relatively smooth, it indicates that the pavement is relatively flat, or the flatness is relatively good, otherwise it indicates that the flatness is relatively poor.

[0003] In the prior art, the utility model discloses a highway pavement flatness detection device, which drives the horizontal lead screw to rotate through the second motor, the horizontal lead screw drives the nut to drive the ultrasonic ranging sensor to move along the horizontal lead screw, and the real-time height detection is carried out through reciprocating movement, wherein the stability of the ultrasonic ranging sensor is affected when the lead screw rotates, and then the accuracy of the detection result is affected, and in addition, the gravel and other sundries on the ground cannot be cleaned in time during detection, which also affects the accuracy of the detection result.

[0004] Therefore, it is necessary to design a highway flatness detection device capable of ensuring stable movement of the ranging sensor and ensuring accuracy of the detection result to solve the technical problems existing at present. SUMMARY

[0005] In view of the deficiencies in the prior art, the utility model provides a highway flatness detection device capable of ensuring stable movement of the ranging sensor and ensuring accuracy of the detection result.

[0006] The technical scheme of the utility model is as follows: a highway flatness detection device, including the casing, the bottom of the casing is open, the top of the casing is fixedly provided with a handle, the two sides of the two ends of the casing are provided with supports, and the bottom of the support is provided with a movable wheel; a linear drive mechanism is arranged in the casing, the linear drive mechanism has a moving block that moves back and forth along it, one side of the moving block is provided with a ranging sensor; a cleaning mechanism is arranged in the casing, the cleaning mechanism has a sweeping roller that is parallel to the moving path of the moving block, both ends of the sweeping roller are provided with swing arms, the middle part of the swing arm is hinged to the top of the casing, a sweeping roller electric push rod is arranged on the casing and drives the swing arm to reciprocate away from one end of the sweeping roller, and a cleaning motor is arranged on the swing arm at one end of the sweeping roller and drives the sweeping roller to rotate.

[0007] Further, one side of the moving block is provided with a baffle cover mechanism, the baffle cover mechanism has a baffle cover movably sleeved on one side of the lower end of the distance sensor, the top of the baffle cover is symmetrically provided with a connecting arm, the moving block above the distance sensor is fixedly provided with an axle seat, the connecting arm is rotationally connected with the axle seat, and a rudder is arranged on the connecting arm and drives the rotation of the connecting arm relative to the axle seat.

[0008] Further, the linear driving mechanism has a support symmetrically arranged on the top of the shell, parallel guide rods and a lead screw are arranged between the two supports, the lead screw is rotationally connected with the support, a driving motor is arranged on the support and drives the rotation of the lead screw, the moving block is slidably connected with the guide rod, and the moving block is threadedly connected with the lead screw.

[0009] Further, the end of the support is provided with a support plate below, and a support electric push rod is arranged on the support and drives the up-down movement of the support plate.

[0010] Further, the two ends of the handle are fixedly provided with handle support plates, and the bottom ends of the handle support plates are fixedly arranged on the top of the shell.

[0011] The beneficial effects of the present application are as follows:

[0012] (1) In the present application, the linear driving mechanism can drive the moving block to move linearly and reciprocally, and the stable movement of the moving block can drive the distance sensor on one side to move stably, thereby ensuring the accuracy of the detection result.

[0013] (2) Before the linear driving mechanism drives the distance sensor to move for detection, the cleaning motor drives the sweeping roller to rotate quickly, the sweeping roller electric push rod is retracted, the swing arm is pulled to swing, and the swing arm drives the sweeping roller to contact the ground directly below the distance sensor, so that the sand particles and other sundries below are cleaned, and the accuracy of the detection result is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the highway flatness detection device in the present application.

[0015] Figure 2 It is a structure schematic view of the highway flatness detection device in the present application. Figure 1 It is a sectional view of A-A in the present application.

[0016] Figure 3 It is a structure schematic view of the highway flatness detection device in the present application.

[0017] Figure 4 It is a structure schematic view of the highway flatness detection device in the present application. Figure 3 It is a local enlarged view of B in the present application. DETAILED DESCRIPTION

[0018] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are not intended to limit the present invention or its application or use in any way. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete, and to fully express the scope of the present invention to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values ​​set forth in these embodiments should be interpreted as merely exemplary and not as limiting.

[0019] The terms "first," "second," and similar words used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. Words such as "including" or "comprising" mean that the element preceding the word encompasses the element listed after it, and do not exclude the possibility of encompassing other elements as well. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] like Figures 1 to 4 As shown, the highway smoothness testing device includes a housing 1 with an open bottom and a handle 2 fixed to the top. Supports 11 are installed on both sides of the housing 1, and casters 3 are installed at the bottom of the supports 11. A linear drive mechanism 5 is installed inside the housing 1, with a moving block 55 that reciprocates linearly along it. A distance sensor 6 is installed on one side of the moving block 55. A sweeping mechanism 8 is installed inside the housing 1, with a sweeping roller 81 parallel to the moving path of the moving block 55. Swing arms 82 are installed at both ends of the sweeping roller 81, and the middle of the swing arms 82 is hinged to the top of the housing 1. A drive arm on the housing 1 drives the swing arms 82 away from the sweeping roller 81. The sweeping roller 81 has a reciprocating electric push rod 83, and a sweeping motor that drives the sweeping roller 81 to rotate is provided on the swing arm 82 at one end. In this embodiment, the linear drive mechanism 5 can drive the moving block 55 to move linearly back and forth. The stable movement of the moving block 55 can drive the distance sensor 6 on one side to move smoothly, thereby ensuring the accuracy of the detection results. Before the linear drive mechanism 5 drives the distance sensor 6 to move for detection, the sweeping motor drives the sweeping roller 81 to rotate rapidly, the sweeping roller electric push rod 83 retracts, and pulls the swing arm 82 to swing. The swing arm 82 drives the sweeping roller 81 to contact the ground directly below the distance sensor 6, cleaning up the sand, gravel and other debris below it, ensuring the accuracy of the detection results.

[0021] In some embodiments, one side of the moving block 55 is provided with a shield mechanism 7, the shield mechanism 7 has a shield 71 movably sleeved on one side of the lower end of the distance sensor 6, the top of the shield 71 is symmetrically provided with a connecting arm 72, the moving block 55 above the distance sensor 6 is fixedly provided with a shaft seat 73, the connecting arm 72 is rotatably connected with the shaft seat 73, and the connecting arm 72 is provided with a rudder 74 driving the connecting arm 72 to rotate relative to the shaft seat 73; in the process of cleaning the ground by the cleaning mechanism 8 or in the idle state, the shield 71 is sleeved on the lower end of the distance sensor 6, and the lower end is protected, so that the distance sensor 6 is prevented from being damaged by sand and stones in the cleaning process; when detection is needed, the rudder 74 drives the connecting arm 72 to swing, drives the shield 71 to move away from one side of the moving block 55, and makes the lower end of the distance sensor 6 leak out, so that the distance sensor 6 detects the flatness of the road surface.

[0022] In some embodiments, the linear driving mechanism 5 has a support 51 symmetrically arranged on the top of the shell 1, parallel guide rods 52 and lead screws 53 are arranged between the two supports 51, the lead screws 53 are rotatably connected with the supports 51, the supports 51 are provided with driving motors 54 driving the lead screws 53 to rotate, the moving block 55 is slidably connected with the guide rods 52, and the moving block 55 is threadedly connected with the lead screws 53; the driving motor 54 drives the lead screw 53 to rotate, and the lead screw 53 drives the moving block 55 to move along the guide rod 52, that is, the moving block 55 moves linearly along the linear driving mechanism 5.

[0023] In some embodiments, the support plate 4 is arranged below the end of the support 11, and the support 11 is provided with a support electric push rod 41 driving the support plate 4 to move up and down; after the device is pushed to the detection position by the handle 2, the support electric push rod 41 is controlled to extend and retract, so that the support plate 4 is in contact with the ground to support the shell 1 to be leveled.

[0024] In some embodiments, the handle 2 is fixedly provided with handle support plates 21 at both ends, and the bottom ends of the handle support plates 21 are fixedly arranged on the top of the shell 1.

[0025] So far, the embodiments of the present application have been described in detail. In order to avoid obscuring the concept of the present application, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0026] The above-described embodiments only express some implementation manners of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent. It should be pointed out that, for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A highway evenness detection device, characterized by: Including the shell, the bottom of the shell is open, the top of the shell is fixedly arranged with a handle, both ends of the shell are provided with supports on both sides, and the bottom of the support is provided with a movable wheel; The inside of the shell is provided with a linear drive mechanism, the linear drive mechanism has a moving block moving back and forth along it, and one side of the moving block is provided with a distance measuring sensor; The inside of the shell is provided with a cleaning mechanism, the cleaning mechanism has a sweeping roller parallel to the moving path of the moving block, both ends of the sweeping roller are provided with swing arms, the middle of the swing arm is hinged to the top of the shell, the shell is provided with a sweeping electric push rod driving the swing arm to reciprocating swing away from one end of the sweeping roller, and the swing arm at one end of the sweeping roller is provided with a cleaning motor driving the sweeping roller to rotate.

2. The highway evenness detection device of claim 1, wherein: One side of the moving block is provided with a baffle cover mechanism, the baffle cover mechanism has a baffle cover movably sleeved on one side of the lower end of the distance measuring sensor, the top of the baffle cover is symmetrically provided with a connecting arm, the moving block above the distance measuring sensor is fixedly provided with a shaft seat, the connecting arm is rotatably connected with the shaft seat, and the connecting arm is provided with a rudder driving it to rotate relative to the shaft seat.

3. The highway evenness detection device of claim 1, wherein: The linear drive mechanism has two supports symmetrically arranged on the inner top of the shell, parallel guide rods and lead screws are arranged between the two supports, the lead screw is rotatably connected with the support, the support is provided with a drive motor driving the lead screw to rotate, the moving block is slidably connected with the guide rod, and the moving block is threadedly connected with the lead screw.

4. The highway evenness detection device of claim 1, wherein: The end of the support is provided with a support plate below, and the support is provided with a support electric push rod driving the support plate to move up and down.

5. The highway evenness detection device of claim 1, wherein: Both ends of the handle are fixedly provided with handle support plates, and the bottom ends of the handle support plates are fixedly arranged on the top of the shell.

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