CN220251696U - Transverse force friction coefficient test equipment - Google Patents

Abstract

The utility model discloses a transverse force friction coefficient testing device, which belongs to the field of transportation engineering and comprises a vehicle body, wherein the top surface of the vehicle body is fixedly connected with a vehicle hopper, four corners of the left side wall of the vehicle body are fixedly connected with supporting plates, the other ends of the supporting plates are fixedly connected with screw holes, the left side wall of each screw hole is fixedly connected with pull rings, the bottom surface of the vehicle body is symmetrically and fixedly connected with two L-shaped plates, the lower sides of the two L-shaped plates are provided with cleaning mechanisms, the front side wall and the rear side wall of the vehicle body are movably connected with wheels, the cleaning mechanisms comprise L-shaped pipes, and the center of the left side wall of each L-shaped plate is fixedly connected with L-shaped pipes.

Description

Transverse force friction coefficient test equipment

Technical Field

The utility model relates to the field of transportation engineering, in particular to a transverse force friction coefficient testing device.

Background

The transverse force friction coefficient testing equipment is called CFT for short, is a physical property testing instrument used in the field of traffic engineering, can be used for measuring the transverse force friction coefficient value of an asphalt pavement, an airport pavement or a cement concrete pavement, can simulate the real running state of an automobile, can detect the interrelation between the pavement and a tire, can evaluate the anti-skid property of the pavement according to the testing result, and can provide a basis for pavement maintenance;

because the transverse force friction coefficient test equipment carries out transverse force friction detection on various roads, and transverse force friction is when detecting the road surface, in order not to influence the testing result, usually, need the road surface to keep clean and tidy, most of transverse force friction coefficient test equipment on the market is when detecting, stone or debris on the road surface is not cleared up, directly carry out the detection of transverse force friction on the road surface, this detection mode is in the in-service use, can make debris or stone be involved in the tire transmission shaft, make the gyration or the driving force of transmission shaft influenced, and then influence the normal operating of this equipment, and simultaneously this transverse force friction coefficient test equipment can't detect the road surface according to actual demand, if need be in the clear road surface of road surface dry environment of weather simulation rainy day, some equipment need carry out watering through the manual work to the road surface, this mode time is slow, can't carry out watering to the road surface that needs to detect fast accurate, reach the effect of simulating rainy day, the accuracy of its work efficiency influence testing result simultaneously has been reduced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide the transverse force friction coefficient testing equipment, which can clean stones or sundries on a road surface to be detected, avoid the sundries or the stones from being involved in tires to influence the normal operation of the equipment, and simultaneously simulate the road surface condition of rainy days through long holes according to actual requirements, thereby saving time and improving the detection accuracy of the equipment.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a transverse force friction coefficient test equipment, includes the automobile body, automobile body top surface fixedly connected with car hopper, automobile body left side wall four corners department fixedly connected with backup pad, backup pad other end fixedly connected with screw, screw left side wall fixedly connected with pull ring, two L shaped plates of automobile body bottom surface symmetry fixedly connected with, two L shaped plate downside is provided with clearance mechanism, lateral wall swing joint has the wheel around the automobile body.

Further, clearance mechanism includes L shape pipe, L shape pipe of L shape board left side wall center department fixedly connected with, L shape pipe lateral wall fixedly connected with connects, L shape pipe lateral wall is close to bottom surface department fixedly connected with plectane, the torsional spring is installed to the plectane bottom surface, L shape pipe bottom rotates and is connected with hollow plate, a plurality of apopore has been seted up to hollow plate inner chamber bottom surface, hollow plate bottom surface swing joint has the rectangular plate, a plurality of slot hole has been seted up to rectangular plate bottom surface, rectangular plate bottom surface fixedly connected with brush, L shape board downside is provided with actuating mechanism, the ring channel has been seted up to hollow plate top surface, L shape pipe lateral wall fixedly connected with annular plate, annular plate and ring channel rotate to be connected.

Further, a screw hole is formed in the bottom surface of the hollow plate far away from the center, a bolt is movably connected in the screw hole, and the bolt is in threaded connection with the rectangular plate.

Further, the side wall of the L-shaped pipe is fixedly connected with a water valve.

Further, the driving mechanism comprises a motor, the top surface of the long side of the L-shaped plate is close to the left side and is fixedly connected with the motor, an output shaft of the motor penetrates through the L-shaped plate and is fixedly connected with a round shaft, the other end of the round shaft is fixedly connected with a cam, and the cam is in contact with the side wall of the hollow plate.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the technical scheme, through the mutual cooperation among the L-shaped plate, the L-shaped pipe, the cleaning mechanism and the like, the driving mechanism can drive the hollow plate to swing back and forth, the brush cleans sundries or stones on the road surface, the driving shaft on the tire is prevented from being rolled in, the power output and the rotation accuracy of the driving shaft are influenced, meanwhile, accurate sprinkling can be carried out on the road surface according to actual requirements, the effect of simulating a rainy road surface is achieved, and the detection efficiency of the road surface transverse force friction coefficient is improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of a part of the cleaning mechanism according to the present utility model;

FIG. 3 is a schematic view of the hollow core plate of the present utility model;

fig. 4 is a schematic bottom view of a rectangular plate according to the present utility model.

The reference numerals in the figures illustrate:

1. a vehicle body; 2. a hopper; 3. a support plate; 4. a wheel; 5. a water outlet hole; 6. a screw hole; 7. a pull ring; 8. an L-shaped plate; 9. a motor; 10. a circular shaft; 11. a cam; 12. an L-shaped pipe; 13. a joint; 14. a water valve; 15. a circular plate; 16. a torsion spring; 17. a hollow slab; 18. a brush; 19. an annular groove; 20. an annular plate; 21. a bolt; 22. a rectangular plate; 23. a long hole.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1-4, a transverse force friction coefficient testing device comprises a vehicle body 1, wherein a vehicle hopper 2 is fixedly connected to the top surface of the vehicle body 1, a supporting plate 3 is fixedly connected to four corners of the left side wall of the vehicle body 1, a screw hole 6 is fixedly connected to the other end of the supporting plate 3, a pull ring 7 is fixedly connected to the left side wall of the screw hole 6, two L-shaped plates 8 are symmetrically and fixedly connected to the bottom surface of the vehicle body 1, cleaning mechanisms are arranged on the lower sides of the two L-shaped plates 8, and wheels 4 are movably connected to the front side wall and the rear side wall of the vehicle body 1.

Referring to fig. 3 and 4, the cleaning mechanism includes L-shaped pipe 12, L-shaped pipe 12 is fixedly connected with in the center of left lateral wall of L-shaped plate 8, L-shaped pipe 12 lateral wall fixedly connected with connects 13, L-shaped pipe 12 lateral wall fixedly connected with water valve 14, water valve 14 can control the flow of water, L-shaped pipe 12 lateral wall is close to bottom surface department fixed connection plectane 15, torsion spring 16 is installed to plectane 15 bottom surface, L-shaped pipe 12 bottom end rotates and is connected with hollow slab 17, a plurality of apopore 5 has been seted up to hollow slab 17 inner chamber bottom surface, hollow slab 17 bottom surface swing joint has rectangular slab 22, a plurality of slot 23 has been seted up to rectangular slab 22 bottom surface, rectangular slab 22 bottom surface fixedly connected with brush 18, L-shaped plate 8 downside is provided with actuating mechanism, annular groove 19 has been seted up to hollow slab 17 top surface, L-shaped pipe 12 lateral wall fixedly connected with annular slab 20, annular slab 20 rotates with annular groove 19 to be connected, screw hole 6 has been seted up in the center department to hollow slab 17 bottom surface, swing joint has bolt 21 in the screw hole 6, bolt 21 and rectangular slab 22 threaded connection, can clean the stone or debris on the road surface that needs to detect, avoid or debris to roll up on the tire, influence equipment to move, can carry out accurate road surface according to the road surface, the actual road surface accuracy of road surface is measured, the actual road surface accuracy is improved, the frictional force is measured, and the road surface is improved, the road surface is required to the frictional force is achieved.

Referring to fig. 2, the driving mechanism includes a motor 9, the top surface of the long side of the L-shaped plate 8 is close to the left side and fixedly connected with the motor 9, the output shaft of the motor 9 penetrates through the L-shaped plate 8 and is fixedly connected with a circular shaft 10, the other end of the circular shaft 10 is fixedly connected with a cam 11, the cam 11 contacts with the side wall of the hollow plate 17, and the hollow plate 17 can be driven to swing back and forth.

When in use: when the road surface is required to be subjected to a transverse force friction test, the rectangular plate 22 is firstly arranged on the bottom surface of the hollow plate 17 through the bolts 21, the pull ring 7 is connected through the external traction equipment to drive the wheels 4 to move forwards, the motor 9 is started at this time, the motor 9 drives the round shaft 10 to rotate through the output shaft, the round shaft 10 drives the hollow plate 17 to swing back and forth through the cam 11, the hairbrush 18 cleans sundries or stones on the road surface, the transmission shaft on the tire is prevented from being involved, the power output and the rotation accuracy of the transmission shaft are influenced, when the rainy day is simulated according to actual requirements, the external water pipe is communicated with the connector 13, the water valve 14 is opened to control the flow, the water flow enters the hollow plate 17 through the L-shaped pipe 12 to be sprayed out from the long holes 23, the effect of simulating the rainy day is achieved, and the road surface can not be cleaned, and the water can be sprayed directly.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. Transverse force friction coefficient test equipment, including automobile body (1), automobile body (1) top surface fixedly connected with car hopper (2), automobile body (1) left side wall four corners department fixedly connected with backup pad (3), backup pad (3) other end fixedly connected with screw (6), screw (6) left side wall fixedly connected with pull ring (7), its characterized in that: two L-shaped plates (8) are symmetrically and fixedly connected to the bottom surface of the vehicle body (1), cleaning mechanisms are arranged on the lower sides of the two L-shaped plates (8), and wheels (4) are movably connected to the front side wall and the rear side wall of the vehicle body (1).

2. The lateral force friction coefficient testing apparatus of claim 1, wherein: the cleaning mechanism comprises an L-shaped pipe (12), the center of the left side wall of the L-shaped plate (8) is fixedly connected with the L-shaped pipe (12), the side wall of the L-shaped pipe (12) is fixedly connected with a joint (13), the side wall of the L-shaped pipe (12) is close to a bottom surface and is fixedly connected with a circular plate (15), a torsion spring (16) is installed on the bottom surface of the circular plate (15), the bottom end of the L-shaped pipe (12) is rotationally connected with a hollow plate (17), a plurality of water outlet holes (5) are formed in the bottom surface of an inner cavity of the hollow plate (17), the bottom surface of the hollow plate (17) is movably connected with a rectangular plate (22), a plurality of long holes (23) are formed in the bottom surface of the rectangular plate (22), a hairbrush (18) is fixedly connected with the bottom surface of the rectangular plate (22), and a driving mechanism is arranged on the lower side of the L-shaped plate (8).

3. The lateral force friction coefficient testing apparatus of claim 2, wherein: an annular groove (19) is formed in the top surface of the hollow plate (17), an annular plate (20) is fixedly connected to the side wall of the L-shaped pipe (12), and the annular plate (20) is rotationally connected with the annular groove (19).

4. The lateral force friction coefficient testing apparatus of claim 2, wherein: the bottom surface of the hollow plate (17) is far away from the center and provided with a screw hole (6), a bolt (21) is movably connected in the screw hole (6), and the bolt (21) is in threaded connection with a rectangular plate (22).

5. The lateral force friction coefficient testing apparatus of claim 2, wherein: the side wall of the L-shaped pipe (12) is fixedly connected with a water valve (14).

6. The lateral force friction coefficient testing apparatus of claim 2, wherein: the driving mechanism comprises a motor (9), the motor (9) is fixedly connected to the top surface of the long side of the L-shaped plate (8) close to the left side, an output shaft of the motor (9) penetrates through the L-shaped plate (8) and is fixedly connected with a round shaft (10), the other end of the round shaft (10) is fixedly connected with a cam (11), and the cam (11) is in contact with the side wall of the hollow plate (17).