CN211927586U

CN211927586U - Asphalt pavement skid resistance test equipment

Info

Publication number: CN211927586U
Application number: CN202020045311.0U
Authority: CN
Inventors: 焦宗印; 叶嘉明
Original assignee: Shanghai Interlink Road & Bridge Engineering Co ltd
Current assignee: Shanghai Interlink Road & Bridge Engineering Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-11-13
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses an asphalt pavement anti-skid performance test device, which comprises wheels, wherein a rubber ring is arranged on the outer side of each wheel, first pattern grooves are arranged on both sides of the outer wall of the rubber ring, and second pattern grooves are arranged in the middle of the outer side of the rubber ring; the supporting block is driven to move upwards by moving the second cylinder, and the second plate body is supported upwards by the triangular blocks on the two sides through the matching of the triangular blocks, the reinforcing plates and the reinforcing rods, so that the contact area with the bottom of the second plate body is increased, and the stability of the asphalt pavement in the experiment is improved; piston rod through first cylinder moves down to promote first plate body and move down, increase the degree of friction of wheel and pitch platform, through increasing different wearing and tearing degrees between experimental wheel and the pitch platform, the influence of simulation tire to the antiskid decay of road surface, and then judge the skid-proof wear resistance in road surface, improved the accuracy of bituminous paving skid resistance decay.

Description

Asphalt pavement skid resistance test equipment

Technical Field

The utility model relates to a wheel wearing and tearing test technical field specifically is bituminous paving skid resistance test equipment.

Background

The wheel rail abrasion is an important factor influencing the transportation safety and the economical efficiency of the heavy haul railway, and is always concerned and researched by scholars at home and abroad. The heavy load is the main development direction of the goods transportation of China railway, the wheel rail abrasion is particularly serious in the heavy load transportation, the mechanical behavior of the wheel rail and the mechanism, the development rule, the main influence factors and the abrasion reduction measures of the wheel rail abrasion based on the wheel rail behavior influence the wheel rail contact load, the vehicle and rail dynamic behavior, the operation safety and the stability, the stable effect of the simulated road surface when the wheel rotates is not good, the friction degree between the wheel and a road surface platform cannot be adjusted, and the condition that the simulated asphalt pavement anti-skid performance is inaccurate is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an asphalt pavement skid resistance test equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: asphalt pavement skid resistance test equipment, including the wheel, the outside of wheel is provided with the rubber circle, the outer wall both sides of rubber circle all are provided with first tread groove, and the outside middle part of rubber circle is provided with second tread groove, including base, its characterized in that: a supporting plate is connected with one side of the top of the base through a screw, a first plate body is hinged with one side of the supporting plate, the top of the base is rotatably connected with a second cylinder, a piston rod of the second cylinder is welded with a supporting block, the two sides of the supporting block are respectively welded with a triangular block, one side of each triangular block is respectively welded with a reinforcing plate, a second plate body is welded at the top of the reinforcing plate, asphalt platforms are arranged on both sides of the second plate body, a fourth plate body is fixedly connected to one side of the top of the base, which is far away from the supporting plate, a third plate body is welded to one side of the top of the fourth plate body, the bottom of the third plate body is in screw connection with a first air cylinder, a piston rod of the first air cylinder is fixedly connected with one side of the top of the first plate body, the outer wall of the cylinder barrel of the second cylinder is connected with a lantern ring in a sliding mode, and a handle is welded to one side of the outer wall of the lantern ring.

As further preferable in the present technical solution: the bottom welding of the lantern ring has the fixed column of equidistance range, the recess with fixed column looks adaptation is seted up at the top of base, the fixed column runs through in the inside of recess.

As further preferable in the present technical solution: the utility model discloses a motor, including first board body, motor, bearing frame, first belt pulley of output shaft fixedly connected with of first board body, the top of first board body is kept away from one side screwed connection of motor has the bearing frame, the inside of bearing frame is rotated and is connected with the pivot, the equal fixedly connected with wheel in both ends of pivot, the one end fixedly connected with second belt pulley that the pivot is close to first belt pulley, first belt pulley passes through the belt and is connected with the rotation of second belt pulley.

As further preferable in the present technical solution: the top welding of supporting shoe has the stiffener, the bottom of stiffener welds in the bottom of second plate body.

As further preferable in the present technical solution: first switch, second switch and third switch are installed respectively to top one side of base, the power output of first switch passes through the wire and the power input electric connection of first cylinder, the power output of second switch passes through the wire and the power input electric connection of second cylinder, the power output of third switch passes through the wire and the power input electric connection of motor.

Compared with the prior art, the beneficial effects of the utility model are that:

the second cylinder is moved to drive the supporting block to move upwards, and the triangular supports on the two sides of the second plate body move upwards through the matching of the triangular blocks on the two sides, the reinforcing plates and the reinforcing rods, so that the contact area with the bottom of the second plate body is increased, and the stability of the asphalt pavement in the experiment is improved;

two, piston rod downstream through first cylinder, and promote first plate body downstream, increase the friction degree of wheel and pitch platform, through the rebound handle, the cooperation of the lantern ring and fixed column, make the fixed column break away from the recess, drive the lantern ring through the handle and rotate the second cylinder, it is experimental to incline the wearing and tearing between test wheel and the pitch platform, through the different degree of wearing and tearing between increase test wheel and the pitch platform, the influence of simulation tire to the antiskid decay of road surface, and then judge the skid-resistant wear resistance in road surface, the accuracy of bituminous paving skid resistance decay has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a connection structure between the second cylinder and the second plate body of the present invention;

fig. 3 is a schematic top view of the first plate of the present invention;

fig. 4 is a schematic structural view of a first cylinder of the present invention;

fig. 5 is a schematic view of the wheel structure of the present invention.

In the figure: 1. a base; 2. a wheel; 211. a rubber ring; 212. a first groove; 213. a second groove; 3. a support plate; 4. a first plate body; 5. a second plate body; 6. an asphalt platform; 7. a third plate body; 8. a first cylinder; 10. a reinforcing plate; 11. a triangular block; 12. a support block; 13. a reinforcing bar; 14. a second cylinder; 15. a motor; 16. a collar; 17. a first pulley; 18. a handle; 19. a second pulley; 20. a bearing seat; 21. a rotating shaft; 22. a first switch; 23. a second switch; 24. a third switch; 25. fixing a column; 26. a groove; 27. a fourth plate body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: the anti-skid performance test equipment for the asphalt pavement comprises wheels 2, wherein rubber rings 211 are arranged on the outer sides of the wheels 2, first pattern grooves 212 are formed in the two sides of the outer walls of the rubber rings 211, second pattern grooves 213 are formed in the middle of the outer sides of the rubber rings 211, the anti-skid performance test equipment comprises a base 1, a supporting plate 3 is connected to one side of the top of the base 1 through screws, a first plate body 4 is hinged to one side of the supporting plate 3, a second air cylinder 14 is rotatably connected to the top of the base 1, a supporting block 12 is welded to a piston rod of the second air cylinder 14, triangular blocks 11 are welded to the two sides of the supporting block 12, a reinforcing plate 10 is welded to one side of each triangular block 11, a second plate body 5 is welded to the top of the reinforcing plate 10, asphalt platforms 6 are arranged on the two sides of the second plate body 5, a fourth plate body 27 is, the bottom of the third plate body 7 is in screwed connection with a first air cylinder 8, a piston rod of the first air cylinder 8 is fixedly connected with one side of the top of the first plate body 4, the outer wall of a cylinder barrel of the second air cylinder 14 is in sliding connection with a lantern ring 16, and a handle 18 is welded on one side of the outer wall of the lantern ring 16.

In this embodiment, specifically: the welding of the bottom of lantern ring 16 has the fixed column 25 of equidistance range, and the recess 26 with fixed column 25 looks adaptation is seted up at the top of base 1, and fixed column 25 runs through in the inside of recess 26, through above setting, and the lantern ring 16 slides down makes the fixed column 25 of lantern ring 16 bottom insert in the recess 26, fixes lantern ring 16 and second cylinder 14.

In this embodiment, specifically: top one side screwed connection of first plate body 4 has motor 15, the first belt pulley 17 of output shaft fixedly connected with of motor 15, one side screwed connection that motor 15 was kept away from at the top of first plate body 4 has bearing frame 20, the inside of bearing frame 20 is rotated and is connected with pivot 21, the equal fixedly connected with wheel 2 in both ends of pivot 21, pivot 21 is close to the one end fixedly connected with second belt pulley 19 of first belt pulley 17, first belt pulley 17 passes through the belt and is connected with the rotation of second belt pulley 19, it drives first belt pulley 17 and rotates to set up motor 15 through the top, first belt pulley 17 drives second belt pulley 19 through the belt and rotates, make second belt pulley 19 drive pivot 21 and rotate, and then make two wheels 2 of pivot 21 drive rotate.

In this embodiment, specifically: the welding of the top of supporting shoe 12 has stiffener 13, and the bottom of stiffener 13 welds in the bottom of second plate body 5, and through above setting, the holding power between two supporting shoes 12 is strengthened to stiffener 13, has improved the stability of second plate body 5.

In this embodiment, specifically: first switch 22, second switch 23 and third switch 24 are installed respectively to base 1's top one side, the power output of first switch 22 passes through the wire and the power input electric connection of first cylinder 8, the power output of second switch 23 passes through the wire and the power input electric connection of second cylinder 14, the power output of third switch 24 passes through the wire and the power input electric connection of motor 15, through above setting, first switch 22 carries out on-off control to the start-up of first cylinder 8, second switch 23 carries out on-off control to the start-up of second cylinder 14, third switch 24 carries out on-off control to the start-up of motor 15.

The first cylinder 8 is of the type: SCTM16-10 cylinder;

the second cylinder 14 is of the type: SC63/125 cylinder.

Working principle or structural principle, when in use, the motor 15 is started through the third switch 24, the motor 15 drives the first belt pulley 17 to rotate, the first belt pulley 17 drives the second belt pulley 19 to rotate through the belt, the second belt pulley 19 drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the two wheels 2 to rotate, the second switch 23 starts the second air cylinder 14, the piston rod of the second air cylinder 14 drives the supporting block 12 to move upwards, the reinforcing plate 10 is driven to move upwards through the triangular blocks 11 on the two sides, the second plate body 5 is supported in a triangular shape on the two sides, the supporting force of the second plate body 5 is reinforced through the reinforcing rod 13, the asphalt platforms 6 on the two sides of the second plate body 5 are in contact with the rubber rings 211 on the wheels 2, tests are carried out, recording is carried out every 3 minutes according to the abrasion degree of the rubber rings 211 on the wheels 2, the first air cylinder 8 is started through the first switch 22, piston rod downstream of first cylinder 8, and promote first plate body 4 downstream, increase rubber ring 211 on the wheel 2 and pitch platform 6's laminating degree, and then increase the frictional force between wheel 2 and the first plate body 4, through upward movement handle 18, make handle 18 drive lantern ring 16 rebound, lantern ring 16 drives fixed column 25 rebound, make fixed column 25 break away from recess 26, rotate second cylinder 14 through lantern ring 16, make second plate body 5 be the tilt state under the effect of second cylinder 14, and then record the slope wearing and tearing test between wheel 2 and the pitch platform 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Asphalt pavement skid resistance test equipment, including wheel (2), the outside of wheel (2) is provided with rubber circle (211), the outer wall both sides of rubber circle (211) all are provided with first tread groove (212), and the outside middle part of rubber circle (211) is provided with second tread groove (213), including base (1), its characterized in that: the asphalt concrete pouring device is characterized in that a supporting plate (3) is connected to one side of the top of the base (1) through a screw, a first plate body (4) is hinged to one side of the supporting plate (3), a second air cylinder (14) is connected to the top of the base (1) in a rotating mode, a supporting block (12) is welded to a piston rod of the second air cylinder (14), triangular blocks (11) are welded to two sides of the supporting block (12), a reinforcing plate (10) is welded to one side of each triangular block (11), a second plate body (5) is welded to the top of the reinforcing plate (10), asphalt platforms (6) are arranged on two sides of the second plate body (5), a fourth plate body (27) is fixedly connected to one side, far away from the supporting plate (3), of the top of the base (1), a third plate body (7) is welded to one side of the top of the fourth plate body (27), and a, the piston rod of first cylinder (8) and top one side fixed connection of first plate body (4), the cylinder barrel outer wall sliding connection of second cylinder (14) has lantern ring (16), the welding of the outer wall one side of lantern ring (16) has handle (18).

2. The asphalt pavement skid resistance test apparatus according to claim 1, characterized in that: the bottom welding of lantern ring (16) has fixed column (25) of equidistance range, the recess (26) with fixed column (25) looks adaptation is seted up at the top of base (1), fixed column (25) run through in the inside of recess (26).

3. The asphalt pavement skid resistance test apparatus according to claim 1, characterized in that: the utility model discloses a motor, including first plate body (4), motor (15), the first belt pulley of output shaft fixedly connected with (17) of motor (15), one side screwed connection that motor (15) were kept away from at the top of first plate body (4) has bearing frame (20), the inside rotation of bearing frame (20) is connected with pivot (21), the equal fixedly connected with wheel in both ends (2) of pivot (21), pivot (21) are close to one end fixedly connected with second belt pulley (19) of first belt pulley (17), first belt pulley (17) are connected with second belt pulley (19) rotation through the belt.

4. The asphalt pavement skid resistance test apparatus according to claim 1, characterized in that: the top welding of supporting shoe (12) has stiffener (13), the bottom of stiffener (13) welds in the bottom of second plate body (5).

5. The asphalt pavement skid resistance test apparatus according to claim 1, characterized in that: first switch (22), second switch (23) and third switch (24) are installed respectively to top one side of base (1), the power output of first switch (22) passes through the wire and the power input electric connection of first cylinder (8), the power output of second switch (23) passes through the wire and the power input electric connection of second cylinder (14), the power output of third switch (24) passes through the wire and the power input electric connection of motor (15).