Pavement skid resistance detection device

Abstract

The utility model discloses a pavement anti-skid performance detection device which comprises a main body box, an anti-skid detection assembly arranged on the inner side of the main body box, a change adjusting box arranged on the anti-skid detection assembly and a change adjusting assembly arranged in the change adjusting box, the antiskid detection assembly comprises a hydraulic cylinder fixedly arranged on the top wall of the main body box, a pressure detector fixedly arranged at the output end of the hydraulic cylinder, a push block fixedly arranged on the lower side of the pressure detector and a guide cross rod horizontally and slidably arranged on the side wall of the main body box, and the push block is arranged in an inverted trapezoidal shape; slopes are arranged on the side walls of the two sides of the push block, guide rails are arranged on the slopes, guide blocks are arranged in the guide rails in a sliding mode, and the guide blocks are fixedly connected with the inner ends of the guide transverse rods. The utility model belongs to the technical field of pavement performance detection, and particularly relates to a pavement skid resistance detection device which is high in detection efficiency, convenient to move and accurate in detection data.

Description

Technical Field

[0001] The utility model belongs to the technical field of road performance detection, and in particular relates to a road anti-skid performance detection device. Background Art

[0002] After the road construction is completed, it is necessary to conduct anti-skid performance testing. However, the existing road anti-skid performance testing device is not easy to move and needs to be carried manually. When different testing sites need to be tested, it is time-consuming and laborious to use. Moreover, the testing device in the prior art cannot clean the dust and other impurities on the ground of the testing site, thereby reducing the accuracy of the test data. Therefore, it is an urgent problem to invent a road anti-skid performance testing device with high detection efficiency, easy to move and accurate test data. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a road surface anti-skid performance detection device, which solves the problem that the road surface anti-skid performance detection device in the prior art is not easy to move and needs to be carried manually. When different detection sites need to be tested, it is time-consuming and labor-intensive to use. Moreover, the detection device in the prior art cannot clean the dust and other impurities on the ground of the detection site, thereby reducing the accuracy of the detection data.

[0004] The technical solution adopted by the utility model is as follows: a road anti-skid performance detection device includes a main body box, and also includes an anti-skid detection component arranged on the inner side of the main body box, a change adjustment box arranged on the anti-skid detection component and a change adjustment component arranged in the change adjustment box, the anti-skid detection component includes a hydraulic cylinder fixedly arranged on the top wall of the main body box, a pressure detector fixedly arranged on the output end of the hydraulic cylinder, a push block fixedly arranged on the lower side of the pressure detector and a guide cross bar horizontally slidably arranged on the side wall of the main body box, the push block is arranged in an inverted trapezoidal shape, and slopes are arranged on the side walls of both sides of the push block, and guide rails are arranged on the slopes, and guide blocks are slidably arranged in the guide rails, and the guide blocks are fixedly connected to the inner ends of the guide cross bars.

[0005] As a preferred technical solution of the present scheme, the change adjustment box is fixedly arranged at the outer end of the guide cross bar, and the change adjustment component includes a worm gear vertically rotated at both ends in the change adjustment box, a worm wheel rotated in the change adjustment box, a gear concentrically fixed on the worm wheel, a rack 1 vertically slidably arranged on the bottom wall of the change adjustment box, and a rack 2 vertically slidably arranged on the bottom wall of the change adjustment box, the worm wheel is meshed with the worm gear, the gear is meshed with the rack 1, and the gear is meshed with the rack 2.

[0006] As a preferred technical solution of this scheme, a stabilizing guide rod is horizontally slidably provided on the side wall of the main box, one end of the stabilizing guide rod is fixedly connected to the change adjustment box, and a limit block is fixedly provided on the end of the stabilizing guide rod away from the change adjustment box.

[0007] As a preferred technical solution of this scheme, a support column is fixedly provided on the bottom wall of the main box, a support foot is fixedly provided at the lower end of the support column, an air pump is provided on the support foot, and a spray gun is sealed and connected to the air outlet of the air pump.

[0008] As a preferred technical solution of this scheme, a universal wheel is rotatably provided at a lower end of the rack, and a detection foot is fixedly provided at a second lower end of the rack.

[0009] As a preferred technical solution of the present invention, a knob is rotatably provided on the outer wall of the top of the change adjustment box, and the knob is fixedly connected to the upper end of the worm.

[0010] After adopting the above structure, the utility model has the following beneficial effects: the utility model is a road surface anti-skid performance detection device,

[0011] 1. Through the arrangement of hydraulic cylinder, pressure detector, push block, guide block and wire cross bar, the adjustment box can be moved to both sides at the same time under the friction between the detection foot and the ground, and the data of the pressure detector can be observed to obtain the anti-slip detection data of the ground;

[0012] 2. Through the arrangement of the worm, worm wheel, gear, rack 1, rack 2, universal wheel and detection foot, the universal wheel and detection foot can be changed and adjusted, so that the universal wheel or the detection foot is suspended in the air. When the detection foot is suspended in the air, the device can be pushed to move. When the universal wheel is suspended in the air, the ground can be detected.

[0013] 3. The air pump and the jet gun can be used to blow air to the detection ground to blow away the dust on the ground, thereby improving the accuracy of the monitoring data. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present solution and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0015] Figure 1 This is a three-dimensional diagram of the overall structure of a road surface anti-skid performance testing device in this scheme;

[0016] Figure 2 This is a cross-sectional view of the internal structure of a road surface anti-skid performance testing device in this scheme.

[0017] In the attached drawings: 1. main box, 2. anti-skid detection component, 3. change adjustment box, 4. change adjustment component, 5. hydraulic cylinder, 6. pressure detector, 7. push block, 8. guide rail, 9. guide block, 10. guide cross bar, 11. stable guide bar, 12. worm, 13. knob, 14. worm gear, 15. rack one, 16. rack two, 17. gear, 18. detection foot, 19. universal wheel, 20. air pump, 21. jet gun, 22. support column, 23. support foot. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0020] like Figure 1-Figure 2 As shown, a road surface anti-skid performance detection device includes a main body box 1, and also includes an anti-skid detection component 2 arranged on the inner side of the main body box 1, a change adjustment box 3 arranged on the anti-skid detection component 2, and a change adjustment component 4 arranged in the change adjustment box 3, the anti-skid detection component 2 includes a hydraulic cylinder 5 fixedly arranged on the top wall of the main body box 1, a pressure detector 6 fixedly arranged on the output end of the hydraulic cylinder 5, a push block 7 fixedly arranged on the lower side of the pressure detector 6, and a guide cross bar 10 horizontally slidably arranged on the side wall of the main body box 1, the push block 7 is arranged in an inverted trapezoidal shape, and slopes are arranged on the side walls of both sides of the push block 7, and guide rails 8 are arranged on the slopes. Guide blocks 9 are slidably provided in the guide rails 8, and the guide blocks 9 are fixedly connected to the inner ends of the guide cross bars 10.

[0021] The change adjustment box 3 is fixedly set at the outer end of the guide cross bar 10, and the change adjustment component 4 includes a worm 12 with two ends vertically rotated in the change adjustment box 3, a worm wheel 14 rotatably set in the change adjustment box 3, a gear 17 concentrically fixed on the worm wheel 14, a rack 15 vertically slidably set on the bottom wall of the change adjustment box 3, and a rack 2 16 vertically slidably set on the bottom wall of the change adjustment box 3, the worm wheel 14 is meshed with the worm 12, the gear 17 is meshed with the rack 15, and the gear 17 is meshed with the rack 2 16.

[0022] A stabilizing guide rod 11 is horizontally slidably provided on the side wall of the main box 1 , one end of the stabilizing guide rod 11 is fixedly connected to the change adjustment box 3 , and a limit block is fixedly provided on the end of the stabilizing guide rod 11 away from the change adjustment box 3 .

[0023] A support column 22 is fixedly provided on the bottom wall of the main box 1 , a support foot 23 is fixedly provided at the lower end of the support column 22 , an air pump 20 is provided on the support foot 23 , and a spray gun 21 is sealed and connected to the air outlet of the air pump 20 .

[0024] A universal wheel 19 is rotatably provided at the lower end of the rack 15 , and a detection foot 18 is fixedly provided at the lower end of the rack 2 16 .

[0025] A knob 13 is rotatably provided on the top outer wall of the change adjustment box 3 , and the knob 13 is fixedly connected to the upper end of the worm 12 .

[0026] When in use, first start the air pump 20, which blows away the dust on the ground under the detection foot through the jet gun 21 to avoid affecting the monitoring data, and then turn the knob 13, the knob 13 drives the worm 12 to rotate, the worm 12 drives the worm wheel 14 and the gear 17 to rotate, the gear 17 drives the rack 15 to rise, and drives the rack 2 16 to fall, when the detection foot 18 contacts the ground, start the hydraulic cylinder 5, the hydraulic cylinder 5 drives the pressure detector 6 and the push block 7 to move downward, at this time the guide block 9 will slide in the guide rail 8, at the same time the guide block 9 drives the guide cross bar 10 and the change adjustment box 3 to move to both sides at the same time under the friction between the detection foot 18 and the ground, at this time the data of the pressure detector 6 can be observed to obtain the anti-skid detection data of the ground; when it is necessary to push the device to move to a different detection site for detection, the knob 13 is rotated in the opposite direction, at this time the rack 15 moves downward, the rack 2 16 moves upward, when the detection foot 18 is suspended, the device can be pushed to move.

[0027] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A road surface anti-skid performance detection device, characterized in that: It includes a main body box, and also includes an anti-skid detection component arranged on the inner side of the main body box, a change adjustment box arranged on the anti-skid detection component, and a change adjustment component arranged in the change adjustment box. The anti-skid detection component includes a hydraulic cylinder fixedly arranged on the top wall of the main body box, a pressure detector fixedly arranged on the output end of the hydraulic cylinder, a push block fixedly arranged on the lower side of the pressure detector, and a guide cross bar horizontally slidably arranged on the side wall of the main body box. The push block is arranged in an inverted trapezoidal shape, and slopes are arranged on the side walls of both sides of the push block. Guide rails are arranged on the slopes. Guide blocks are slidably arranged in the guide rails, and the guide blocks are fixedly connected to the inner ends of the guide cross bars.

2. A road surface anti-skid performance detection device according to claim 1, characterized in that: The change adjustment box is fixedly arranged at the outer end of the guide cross bar, and the change adjustment component includes a worm with two ends vertically rotated in the change adjustment box, a worm wheel rotated in the change adjustment box, a gear concentrically fixed on the worm wheel, a rack 1 vertically slidably arranged on the bottom wall of the change adjustment box, and a rack 2 vertically slidably arranged on the bottom wall of the change adjustment box, the worm wheel is meshed with the worm, the gear is meshed with the rack 1, and the gear is meshed with the rack 2.

3. A road surface anti-skid performance detection device according to claim 2, characterized in that: A stabilizing guide rod is horizontally slidably provided on the side wall of the main body box, one end of the stabilizing guide rod is fixedly connected to the change adjustment box, and a limiting block is fixedly provided on the end of the stabilizing guide rod away from the change adjustment box.

4. A road surface anti-skid performance detection device according to claim 3, characterized in that: A support column is fixedly arranged on the bottom wall of the main box, a support foot is fixedly arranged on the lower end of the support column, an air pump is arranged on the support foot, and an air jet gun is sealed and connected to the air outlet of the air pump.

5. A road surface anti-skid performance detection device according to claim 4, characterized in that: A universal wheel is rotatably provided at a lower end of the rack, and a detection foot is fixedly provided at a second lower end of the rack.

6. A road surface anti-skid performance detection device according to claim 5, characterized in that: A knob is rotatably provided on the outer wall of the top of the change adjustment box, and the knob is fixedly connected to the upper end of the worm.

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