Pavement flatness instrument with anti-wear structure

Abstract

The utility model discloses a road surface flatness instrument with an anti-wear structure, which comprises an eight-wheel inspection van, an anti-wear structure, a measuring wheel and a dismounting structure, the anti-wear structure is arranged in the eight-wheel inspection van, the road surface flatness instrument with the anti-wear structure drives a protective frame to move transversely through a second bevel gear by rotating an L-shaped handle, and the measuring wheel is arranged on the protective frame. The protective frame shields and protects the measuring wheel part after transversely moving, so that a user can protect the measuring wheel part through an anti-abrasion structure, the problems that the measuring wheel part is exposed for a long time and is prone to colliding with an object to be abraded are solved, the service life of a product is prolonged, a data displayer is picked up to drive a fixing block to penetrate through a T-shaped rod, and the measuring wheel part is prevented from being damaged. The T-shaped rod is clamped and connected above the fixed block after being rotated, so that a user can quickly disassemble and assemble the data display through the disassembly and assembly structure, the problems that the data display cannot be fixedly placed and needs to be carried by hand are solved, the labor force of the user is reduced, and the loss rate of a product during carrying is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to road engineering detection technical field, concretely is a road flatness appearance with anti -wear structure. BACKGROUND

[0002] Road flatness appearance is a kind of instrument to measure road flatness, when using road flatness appearance, need to place instrument on road, by adjusting length adjusting lever to fix instrument, utilize weight support to guarantee the stability and accuracy of instrument simultaneously.Sensor will detect the unevenness of road, and data is transmitted to elevation display and flatness tester, to obtain the road flatness value.Road flatness appearance is commonly used detection tool in highway construction and maintenance, can be used to assess the quality and service life of road, and guide road maintenance and repair work, this prior art scheme still has the following problems when using, just like;

[0003] The existing road flatness appearance is generally eight-wheel flatness appearance, when detecting road flatness, rely on measuring wheel subassembly to measure, feedback to data display for viewing, and measuring wheel part is also exposed when not in use, can be scratched, collided by other objects, cause wheel deformation, damage, affect normal use of instrument, cause abrasion, reduce service life, and data display is not used, generally need to be carried by user, when stationary, also cannot be fixed on eight-wheel flatness appearance, cause easy to lose or drop when carrying. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of road flatness appearance with anti -wear structure to solve the problem that road flatness appearance on current market cannot prevent measuring wheel part from abrasion, cannot fixedly place data display when not in use as described in above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of road flatness appearance with anti -wear structure, comprising: eight-wheel detection car, anti -wear structure, measuring wheel, dismounting structure;

[0006] The eight-wheel detection car is provided with anti -wear structure, and the eight-wheel detection car is connected with measuring wheel below, and the eight-wheel detection car is provided with dismounting structure above, and the dismounting structure is connected on data display, and the data display is placed on the eight-wheel detection car above, and the eight-wheel detection car is used as bearing base.

[0007] Preferably, the anti -wear structure includes: placing cavity, threaded rod, first bevel gear, second bevel gear, L-shaped handle, protective frame, limit block and limit slide rail, the eight-wheel detection car is internally provided with placing cavity below, and the threaded rod is rotatably installed on the inboard wall in placing cavity.

[0008] Preferably, the threaded rod is provided with a first bevel gear, the front end of the first bevel gear is engaged with a second bevel gear, the front end of the second bevel gear is provided with an L-shaped handle, and one end of the L-shaped handle penetrates through and is connected to the front end of the eight-wheel detection vehicle.

[0009] Preferably, the threaded rod is provided with a protective frame at one end, the protective frame is arranged below the eight-wheel detection vehicle, and the measuring wheel is arranged in the protective frame.

[0010] Preferably, a limiting block is arranged above one end of the protective frame, and one end of the limiting block is clamped and connected in the limiting slide rail.

[0011] Preferably, the dismounting structure comprises a hollow block, a T-shaped rod, a torsional spring, a square hole and a fixing block, the hollow block is arranged above the eight-wheel detection vehicle, the T-shaped rod is rotatably arranged inside and below the hollow block, and one end of the T-shaped rod penetrates through and is connected above the hollow block.

[0012] Preferably, the T-shaped rod is provided with a torsional spring, and one end of the torsional spring is arranged inside and below the hollow block.

[0013] Preferably, one end of the T-shaped rod penetrates through and is clamped and connected above the fixing block, the square hole is arranged in the fixing block, and the fixing block is arranged on one side of the data display.

[0014] Compared with the prior art, the road flatness instrument with the anti-abrasion structure has the advantages that the L-shaped handle is rotated to drive the protective frame to move horizontally through the second bevel gear, the measuring wheel is shielded after the protective frame moves horizontally, the user can protect the measuring wheel through the anti-abrasion structure, the problem of long-term exposure and easy abrasion caused by collision with objects is solved, the product service life is improved, the data display is lifted to drive the fixing block to penetrate the T-shaped rod, the T-shaped rod is clamped and connected above the fixing block after being rotated, the user can quickly dismount and mount the data display through the dismounting structure, the problem that the data display cannot be fixed and placed and needs to be carried by hand is solved, the labor of the user is reduced, the loss rate of the product during carrying is reduced, and the specific content is as follows:

[0015] 1. The L-shaped handle is manually rotated to drive the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the threaded rod to rotate, the threaded rod drives the protective frame to move horizontally, the protective frame is guided and limited in the limiting slide rail through the limiting block sliding in the limiting slide rail, and the measuring wheel is shielded after the protective frame moves horizontally, so that the anti-abrasion effect is achieved.

[0016] 2. Manual rotation T-shaped rod one end drive torsional spring rotation stress, pick up data display drive fixed block through the square hole through the T-shaped rod, when the T-shaped rod one end through the square hole connected in the fixed block above, torsional spring reset drive T-shaped rod rotation after the card above the fixed block connected to the data display is fixed, when disassembly, rotate the T-shaped rod, pick up the data display, so as to achieve the effect of disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the utility model dismounting structure;

[0019] Figure 3 It is the square hole structure schematic diagram of the utility model;

[0020] Figure 4 It is the A part structure enlarged view of the utility model;

[0021] Figure 5 It is the B part structure enlarged view of the utility model;

[0022] Figure 6 It is the C part structure enlarged view of the utility model;

[0023] Figure 7 It is the D part structure enlarged view of the utility model.

[0024] In the drawing: 1, eight wheel detection car;2, anti-wear structure;201, place cavity;202, threaded rod;203, first bevel gear;204, second bevel gear;205, L-shaped handle;206, protection frame;207, limit block;208, limit slide rail;3, measuring wheel;4, dismounting structure;401, hollow block;402, T-shaped rod;403, torsional spring;404, square hole;405, fixed block;5, data display. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] Please refer to Figures 1-7 The utility model provides a kind of technical scheme: a road flatness instrument with anti-wear structure, comprising: eight wheel detection car 1, anti-wear structure 2, measuring wheel 3, dismounting structure 4;

[0027] The eight-wheel detection vehicle 1 is provided with an anti-wear structure 2, the eight-wheel detection vehicle 1 is connected with a measuring wheel 3 below, the eight-wheel detection vehicle 1 is provided with a dismounting structure 4 above, the dismounting structure 4 is connected to a data display 5, the data display 5 is placed above the eight-wheel detection vehicle 1, and the eight-wheel detection vehicle 1 serves as a bearing base.

[0028] The anti-wear structure 2 comprises a placing cavity 201, a threaded rod 202, a first bevel gear 203, a second bevel gear 204, an L-shaped handle 205, a protective frame 206, a limiting block 207 and a limiting slide rail 208, the placing cavity 201 is formed in the bottom of the eight-wheel detection vehicle 1, the threaded rod 202 is rotatably installed on the inner side wall of the placing cavity 201, the first bevel gear 203 is installed on the threaded rod 202, the second bevel gear 204 is connected to the front end of the first bevel gear 203 in a meshing mode, the L-shaped handle 205 is installed on the front end of the second bevel gear 204, one end of the L-shaped handle 205 penetrates through and is connected to the front end of the eight-wheel detection vehicle 1, one end of the protective frame 206 is threadedly connected to the threaded rod 202, the protective frame 206 is arranged below the eight-wheel detection vehicle 1, the measuring wheel 3 is arranged in the protective frame 206, the limiting block 207 is installed above one end of the protective frame 206, and one end of the limiting block 207 is clamped and connected into the limiting slide rail 208; the L-shaped handle 205 is rotated to drive the protective frame 206 to move horizontally through the second bevel gear 204, and the protective frame 206 partially shields the measuring wheel 3 after horizontal movement.

[0029] The dismounting structure 4 comprises a hollow block 401, a T-shaped rod 402, a torsional spring 403, a square hole 404 and a fixed block 405, the hollow block 401 is installed above the eight-wheel detection vehicle 1, the T-shaped rod 402 is rotatably installed inside and below the hollow block 401, one end of the T-shaped rod 402 penetrates through and is connected above the hollow block 401, the torsional spring 403 is installed on the T-shaped rod 402, one end of the torsional spring 403 is installed inside and below the hollow block 401, one end of the T-shaped rod 402 penetrates through and is clamped and connected above the fixed block 405, the square hole 404 is formed in the fixed block 405, and the fixed block 405 is installed on one side of the data display 5; the data display 5 is lifted to drive the fixed block 405 to penetrate through the T-shaped rod 402, and the T-shaped rod 402 is clamped and connected above the fixed block 405 after rotation.

[0030] In summary: as Figures 1-7As shown, in the use of the road roughness meter with the anti-wear structure, a simple understanding of the device is that, first, rotating the L-shaped handle 205 drives the first bevel gear 203 to rotate through the second bevel gear 204, the first bevel gear 203 drives the protective frame 206 to move horizontally through the threaded rod 202, the protective frame 206 partially shields the measuring wheel 3 after moving horizontally, which is convenient for protecting the measuring wheel 3 through the anti-wear structure 2, improves the service life of the product, reduces the wear of the measuring wheel 3 due to external factors, then, rotating the T-shaped rod 402 drives the torsional spring 403 to rotate under stress, picking up the data display 5 drives the fixed block 405 to penetrate above the T-shaped rod 402, the torsional spring 403 resets after rotating the T-shaped rod 402 to clamp and connect above the fixed block 405 to fix the data display 5, when disassembling, rotating the T-shaped rod 402, and picking up the data display 5 upwards can be convenient for quickly disassembling and assembling the data display 5 through the disassembling and assembling structure 4, reduces the labor of the user, and reduces the loss rate of the product when carrying, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A road surface evenness gauge having a wear prevention structure, comprising: Eight wheel detection vehicle (1), anti-wear structure (2), measuring wheel (3), disassembly structure (4), it is characterized by; The eight wheel detection vehicle (1) is provided with anti-wear structure (2), the eight wheel detection vehicle (1) is connected with measuring wheel (3) below, the eight wheel detection vehicle (1) is provided with disassembly structure (4) above, the disassembly structure (4) is connected on data display (5), the data display (5) is placed on the eight wheel detection vehicle (1) above.

2. The road evenness instrument with the anti-abrasion structure according to claim 1, characterized in that: The anti-wear structure (2) includes: placing cavity (201), threaded rod (202), first bevel gear (203), second bevel gear (204), L-shaped handle (205), protective frame (206), limiting block (207) and limiting slide rail (208), the eight wheel detection vehicle (1) is internally below opening has placing cavity (201), the inner wall on the placing cavity (201) is rotatably installed with threaded rod (202).

3. The road evenness meter with the anti-wear structure according to claim 2, characterized in that: The first bevel gear (203) is installed on the threaded rod (202), the second bevel gear (204) is connected with the front end of the first bevel gear (203), the L-shaped handle (205) is installed on the front end of the second bevel gear (204), and one end of the L-shaped handle (205) penetrates and is connected to the front end of the eight wheel detection vehicle (1).

4. The road surface evenness instrument with the anti-wear structure according to claim 3, characterized in that: One end of the protective frame (206) is threadedly connected with the threaded rod (202), and the protective frame (206) is arranged below the eight wheel detection vehicle (1); the measuring wheel (3) is arranged in the protective frame (206).

5. The road surface levelness instrument with the anti-wear structure according to claim 4, characterized in that: The limiting block (207) is installed on the upper end of the protective frame (206), and one end of the limiting block (207) is clamped and connected in the limiting slide rail (208).

6. The road surface levelness instrument with wear-preventing structure according to claim 1, characterized in that: The disassembly structure (4) includes: hollow block (401), T-shaped rod (402), torsion spring (403), square hole (404) and fixed block (405), the eight wheel detection vehicle (1) is provided with hollow block (401) above, the T-shaped rod (402) is rotatably installed in the inside below of the hollow block (401), and one end of the T-shaped rod (402) penetrates and is connected above the hollow block (401).

7. The road surface levelness instrument with the anti-wear structure according to claim 6, characterized in that: The torsion spring (403) is installed on the T-shaped rod (402), and one end of the torsion spring (403) is installed in the inside below of the hollow block (401).

8. The road surface levelness instrument with the anti-wear structure according to claim 7, characterized in that: One end of the T-shaped rod (402) penetrates the square hole (404) and is clamped and connected above the fixed block (405), the square hole (404) is formed in the fixed block (405), and the fixed block (405) is installed on one side of the data display (5).

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