CN115931704B - A test device for detecting municipal road surface coefficient of friction - Google Patents
A test device for detecting municipal road surface coefficient of friction Download PDFInfo
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- CN115931704B CN115931704B CN202211574516.8A CN202211574516A CN115931704B CN 115931704 B CN115931704 B CN 115931704B CN 202211574516 A CN202211574516 A CN 202211574516A CN 115931704 B CN115931704 B CN 115931704B
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Abstract
The invention discloses a test device for detecting the friction coefficient of a municipal road surface, which comprises a base, wherein an arch-shaped guide frame is arranged at the top of the base, a movable plate is vertically arranged in the arch-shaped guide frame in a sliding manner, a bidirectional force detector is arranged at the bottom of the base, and a antiskid plate is arranged at the bottom of the bidirectional force detector; through exerting pulling force to the antiskid ribbed tile, make antiskid ribbed tile uniform motion and inertial motion to detectable road surface dynamic friction coefficient under antiskid ribbed tile's two kinds of states, can detect the dynamic friction coefficient on road surface through multiple form from this, effectively improve the variety of detection form, conveniently contrast and evaluate detection structure, improve the detection precision, the comparatively unilateral phenomenon of testing result when having avoided single detection mode, and can detect the antiskid ribbed tile by static to the static friction coefficient on road surface when dynamic motion.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a test device for detecting the friction coefficient of a municipal road surface.
Background
Road surface friction coefficient detection is an important safety index for municipal road construction, and directly influences the ground grabbing force of a vehicle when the vehicle runs on a road, namely the friction force between a vehicle tire and the ground, so that the driving safety is influenced, and when the friction coefficient is too small, the adhesion force of the vehicle on the road surface is reduced, so that the driving capability of the vehicle is reduced, the vehicle is easy to sideslip, and danger is very easy to occur.
The existing road surface friction coefficient detection mode mainly comprises the steps that a vehicle in a form state pulls a friction block to form on a road surface, the friction coefficient is calculated through the mass of the friction block and the pulling force for pulling the friction block to move, when the mode is adopted, the pulling force for pulling the friction block to move is easy to float due to poor stability of the movement of the vehicle, accurate detection of the pulling force cannot be achieved, the detection mode is single, the friction coefficient cannot be detected in a plurality of methods, and the detection precision is poor.
Disclosure of Invention
In order to solve the technical problems, the invention provides a test device for detecting the friction coefficient of the municipal road surface.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a test device for detecting municipal road surface friction coefficient, including the base, the base top is equipped with the bow-shaped leading truck, and vertical slip is equipped with the movable plate in the bow-shaped leading truck, and the base bottom is equipped with two-way force detector, and two-way force detector bottom is equipped with the antiskid ribbed tile.
Further, the novel anti-skid device further comprises a U-shaped outer plate, the base is located in the U-shaped outer plate, a long opening is formed in the bottom of the U-shaped outer plate, the bottom of the anti-skid plate penetrates through the long opening and is in contact with a road surface, two Z-shaped guide grooves are formed in the side wall of the U-shaped outer plate relatively, first sliding columns are arranged at two ends of the movable plate respectively, and the two first sliding columns are slidably mounted in the two Z-shaped guide grooves respectively.
Further, a fork frame is arranged at the top of the movable plate, the bottom of the fork frame penetrates through the movable plate and slides relatively, a tension meter is fixed on the side wall of the fork frame, and a connecting plate is arranged on the tension meter;
two first sliding grooves are formed in the inner side wall of the U-shaped outer plate oppositely, the two first sliding grooves are horizontal, and two ends of the fork frame are respectively and slidably arranged in the two first sliding grooves.
Further, the motor is located on the inner side of the U-shaped outer plate, the output end of the motor is provided with a screw rod, a threaded sleeve is arranged on the screw rod in a threaded manner, the threaded sleeve is connected with the top of the connecting plate, the outer end of the screw rod and the outer wall of the motor are both provided with supporting plates, the outer ends of the supporting plates are fixed on the inner wall of the U-shaped outer plate, and the outer ends of the screw rod are rotatably connected with the supporting plates on the outer ends of the screw rod.
Further, the both sides of U type planking inner wall bottom long mouth all are equipped with the riser, are equipped with the guide rail of a plurality of vertical states on the riser, are equipped with between two risers and remove the frame, and the outer wall vertical sliding mounting who removes the frame is on the guide rail, and the base is located and removes the frame to the outer wall horizontal sliding mounting of base is on removing the frame.
Further, a plurality of second spouts of horizontality have been seted up on the lateral wall of movable frame, the slip is equipped with the second traveller in the second spout, the outer end rotation of second traveller is equipped with the rotor plate, the outer end of rotor plate is equipped with the connecting axle, rotate on the lateral wall of riser and be equipped with a plurality of worm wheels, the connecting axle is connected with worm gear drive, rotate on the riser lateral wall and be equipped with the worm, the worm is connected with a plurality of worm wheel meshing on the riser, the tip of worm is equipped with first bevel gear, the meshing is equipped with the second bevel gear on the first bevel gear, be connected with the transmission shaft between two second bevel gears, the transmission shaft is rotated and is installed on U type planking, be fixed with the runner on the transmission shaft.
Further, teeth are arranged on the outer wall of the rotating wheel, a pressing plate is rotationally arranged on the U-shaped outer plate, a plate spring is arranged between the pressing plate and the U-shaped outer plate, an arc-shaped tooth row is arranged at the outer end of the pressing plate and buckled on the rotating wheel, and the arc-shaped tooth row is meshed with teeth on the rotating wheel.
Further, the inner wall of the end part of the movable frame is provided with a distance meter, and the distance meter and the base are positioned at two ends of the movable frame.
Further, a fixed groove plate is fixed on the outer wall of the U-shaped outer plate, vertical scores are arranged on two mutually perpendicular side walls in the fixed groove plate, and a hanging rod is rotatably arranged in the fixed groove plate;
the bottom of the U-shaped outer plate is provided with a plurality of adjusting pad feet.
Further, two water pipes are oppositely arranged at the bottom of the U-shaped outer plate, a plurality of spray heads are communicated with the water pipes, and the spray heads on the two water pipes are opposite in direction.
Compared with the prior art, the invention has the beneficial effects that: through exerting pulling force to the antiskid ribbed tile, make antiskid ribbed tile uniform motion and inertial motion to detectable road surface dynamic friction coefficient under antiskid ribbed tile's two kinds of states, can detect the dynamic friction coefficient on road surface through multiple form from this, effectively improve the variety of detection form, conveniently contrast and evaluate detection structure, improve the detection precision, the comparatively unilateral phenomenon of testing result when having avoided single detection mode, and can detect the antiskid ribbed tile by static to the static friction coefficient on road surface when dynamic motion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the U-shaped outer panel of FIG. 1 in a bottom view;
FIG. 3 is a schematic cross-sectional view of the U-shaped outer panel of FIG. 1;
FIG. 4 is a schematic view of the removal of the moving frame and its upper structure of FIG. 3;
FIG. 5 is an enlarged schematic view of the moving frame and structure thereon of FIG. 3;
FIG. 6 is an enlarged schematic view of the lead screw and sleeve of FIG. 3;
FIG. 7 is an enlarged schematic view of the base of FIG. 5;
FIG. 8 is an enlarged schematic view of the moving plate of FIG. 5;
FIG. 9 is an enlarged schematic view of the fixed slot plate of FIG. 2;
the reference numerals in the drawings: 1. a base; 2. an arcuate guide; 3. a moving plate; 4. a bi-directional force detector; 5. a cleat; 6. a U-shaped outer plate; 7. a Z-shaped guide groove; 8. a first strut; 9. a fork; 10. a tension meter; 11. a connecting plate; 12. a first chute; 13. a motor; 14. a screw rod; 15. a screw sleeve; 16. a support plate; 17. a vertical plate; 18. a guide rail; 19. a moving frame; 20. a second chute; 21. a second strut; 22. a rotating plate; 23. a connecting shaft; 24. a worm wheel; 25. a worm; 26. a first bevel gear; 27. a second bevel gear; 28. a transmission shaft; 29. a rotating wheel; 30. a pressing plate; 31. a leaf spring; 32. arc-shaped tooth rows; 33. a range finder; 34. fixing the groove plate; 35. a hanging rod; 36. adjusting the foot pads; 37. a water pipe; 38. a spray head.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. This example was written in a progressive manner.
As shown in fig. 7 to 8, the test device for detecting the friction coefficient of the municipal road surface of the invention comprises a base 1, wherein an arch-shaped guide frame 2 is arranged at the top of the base 1, a movable plate 3 is vertically arranged in the arch-shaped guide frame 2 in a sliding manner, a bidirectional force detector 4 is arranged at the bottom of the base 1, and a antiskid plate 5 is arranged at the bottom of the bidirectional force detector 4.
Specifically, the operating personnel place the antiskid plate 5 on the road surface, make antiskid plate 5 bottom level and with the road surface contact, afterwards, operating personnel exert horizontal pulling force to movable plate 3, and the pulling force is big gradually, because the frictional force effect between antiskid plate 5 and the road surface at this moment, antiskid plate 5 is in the static state, when the pulling force makes antiskid plate 5 remove through overcoming the frictional force between antiskid plate 5 and the road surface, through calculating the lower pressure of pulling force value and antiskid plate 5 to the road surface this moment, pulling movable plate 3 uniform velocity removes, at this moment antiskid plate 5 moves at the road surface uniform velocity, through calculating the dynamic friction coefficient of pulling force value and antiskid plate 5 to the road surface this moment thereby obtain the road surface, promote movable plate 3 upward movement at movable plate 3 uniform velocity, when movable plate 3 separates with bow guide 2, movable plate 3 stops providing the pulling force to base 1, bi-directional force detector 4 and antiskid plate 5, at this moment antiskid plate 5 is on the road surface because inertia continues to remove until stopping, through calculating antiskid plate 5 inertia removal distance and time, thereby obtain road surface friction coefficient.
The arched guide frame 2 and the movable plate 3 can provide tension for the base 1, the bidirectional force detector 4 and the antiskid plate 5, and the movable plate 3 is conveniently separated from the arched guide frame 2, so that the antiskid plate 5 moves inertially, the bidirectional force detector 4 can detect the downward pressure applied to the antiskid plate 5, and the weight of the antiskid plate 5 is combined, so that the pressure between the antiskid plate 5 and a road surface can be calculated, and the bidirectional force detector 4 can perform bidirectional detection on the pressure or tension of the antiskid plate 5.
It can be seen that the static friction coefficient and the dynamic friction coefficient of the road surface can be detected by the cleat 5, and the dynamic friction coefficient of the road surface can be detected by both uniform motion and inertial motion.
Through exerting pulling force to antiskid ribbed tile 5, make antiskid ribbed tile 5 uniform motion and inertial motion to detectable road surface dynamic friction coefficient under antiskid ribbed tile 5's two kinds of states, can detect the dynamic friction coefficient on road surface through multiple form from this, effectively improve the variety of detection form, conveniently contrast and evaluate the detection structure, improve the detection precision, the comparatively unilateral phenomenon of testing result when having avoided single detection mode, and can detect antiskid ribbed tile 5 by static to the static friction coefficient on road surface when dynamic motion.
As shown in fig. 1 and 8, as a preferred embodiment, the present invention further includes a U-shaped outer plate 6, the base 1 is located in the U-shaped outer plate 6, a long opening is provided at the bottom of the U-shaped outer plate 6, the bottom of the antiskid plate 5 passes through the long opening and contacts with the road surface, two Z-shaped guide grooves 7 are relatively provided on the side wall of the U-shaped outer plate 6, first sliding columns 8 are provided at two ends of the moving plate 3, and the two first sliding columns 8 are slidably mounted in the two Z-shaped guide grooves 7, respectively.
Specifically, the middle part of the Z-shaped guide groove 7 is in an inclined state, the U-shaped outer plate 6 is fixed in position, the antiskid plate 5 can move along the length direction of the long opening, the two Z-shaped guide grooves 7 are respectively positioned on the front side and the rear side of the U-shaped outer plate 6, when the moving plate 3 moves horizontally, the moving plate 3 can drive the first sliding column 8 to slide in the Z-shaped guide groove 7, the Z-shaped guide groove 7 can guide the first sliding column 8, when the first sliding column 8 moves to the inclined position in the middle of the Z-shaped guide groove 7, the first sliding column 8 moves obliquely upwards, at the moment, the horizontal moving speed of the first sliding column 8 is kept fixed, the first sliding column 8 can drive the moving plate 3 to move obliquely synchronously, and the moving plate 3 moves upwards gradually and breaks away from the arched guide frame 2 at the same time when moving horizontally, so that the moving plate 3 provides a moving initial speed for the arched guide frame 2, the base 1 and the antiskid plate 5, and the road surface moving friction coefficient can be detected conveniently through the inertia moving distance and time of the antiskid plate 5.
The two detection modes of the road surface can be realized through the whole movement process of the antiskid plate 5, so that the diversity of the detection modes is effectively improved, and the structural mode can be effectively simplified and the detection precision is improved through the integration of the detection modes.
As shown in fig. 4 and 8, as a preferable example of the above embodiment, the top of the moving plate 3 is provided with a fork 9, the bottom of the fork 9 passes through the moving plate 3 and slides relatively, a tension meter 10 is fixed on the side wall of the fork 9, and a connecting plate 11 is arranged on the tension meter 10;
two first sliding grooves 12 are formed in the inner side wall of the U-shaped outer plate 6 relatively, the two first sliding grooves 12 are horizontal, and two ends of the fork 9 are respectively and slidably arranged in the two first sliding grooves 12.
Specifically, the operator can apply a horizontal pulling force to the connection plate 11, the tension meter 10 can detect a pulling force value in real time, thereby detecting a static friction coefficient, and when the cleat 5 moves, the tension meter 10 can detect a horizontal pulling force applied to the connection plate 11 and the cleat 5, thereby detecting a dynamic friction coefficient.
The connecting plate 11 is pulled to move horizontally, the connecting plate 11 drives the movable plate 3 to move horizontally through the fork frame 9, when the movable plate 3 moves upwards, the movable plate 3 slides on the fork frame 9, the fork frame 9 still moves horizontally, the plurality of movement forms of the movable plate 3 can be converted into the working effect of horizontal movement of the fork frame 9 by adopting the structure of the fork frame 9, at the moment, the aim that the movable plate 3 provides pulling force for the arched guide frame 2 and the movable plate 3 is separated from the arched guide frame 2 can be met by only keeping the fork frame 9 to move at a constant speed according to the specified requirement, the movement forms are converted conveniently, and the operation is convenient.
As shown in fig. 6, as a preference of the above embodiment, the device further comprises a motor 13, the motor 13 is located at the inner side of the U-shaped outer plate 6, a screw 14 is arranged at the output end of the motor 13, a screw sleeve 15 is screwed on the screw 14, the screw sleeve 15 is connected with the top of the connecting plate 11, a supporting plate 16 is arranged at the outer end of the screw 14 and the outer wall of the motor 13, the outer end of the supporting plate 16 is fixed on the inner wall of the U-shaped outer plate 6, and the outer end of the screw 14 is rotatably connected with the supporting plate 16 thereon.
Specifically, the motor 13 can drive the threaded sleeve 15 to move through the lead screw 14, the threaded sleeve 15 can drive the connecting plate 11 to move, so that transverse tension is provided for the antiskid plate 5, and through adopting the structures of the motor 13, the lead screw 14 and the threaded sleeve 15, the threaded sleeve 15 can be ensured to move at a constant speed, so that the antiskid plate 5 can move at a constant speed and the initial speed of a specified value is conveniently provided for the inertial movement of the antiskid plate 5.
The moving speed of the screw sleeve 15 can be slowly increased from zero to a prescribed speed, and then the screw sleeve 15 moves at a uniform speed.
As shown in fig. 3 to 5, as a preferable example of the above embodiment, the two sides of the long mouth at the bottom of the inner wall of the U-shaped outer plate 6 are provided with the vertical plates 17, the vertical plates 17 are provided with a plurality of vertical guide rails 18, a movable frame 19 is provided between the two vertical plates 17, the outer wall of the movable frame 19 is vertically slidably mounted on the guide rails 18, the base 1 is located in the movable frame 19, and the outer wall of the base 1 is horizontally slidably mounted on the movable frame 19.
Specifically, the moving frame 19 may slide on the guide rail 18, so as to adjust the position of the moving frame 19, and the moving frame 19 may drive the base 1, the arcuate guide frame 2, the moving plate 3, the bi-directional force detector 4, and the cleat 5 to move up and down synchronously, so as to adjust the detection state and the idle state of the cleat 5, when the cleat 5 moves down, the arcuate guide frame 2 moves down synchronously, at this time, the arcuate guide frame 2 and the moving plate 3 slide relatively, and when the cleat 5 contacts the road surface, the arcuate guide frame 2 and the moving plate 3 still maintain the contact state, at this time, the moving plate 3 may provide a lateral tension to the arcuate guide frame 2.
As shown in fig. 3 to 5, as a preferable example of the above embodiment, a plurality of second sliding grooves 20 in a horizontal state are formed on the outer side wall of the moving frame 19, a second sliding column 21 is slidably provided in the second sliding grooves 20, a rotating plate 22 is rotatably provided at the outer end of the second sliding column 21, a connecting shaft 23 is provided at the outer end of the rotating plate 22, a plurality of worm wheels 24 are rotatably provided on the outer side wall of the vertical plate 17, the connecting shaft 23 is in transmission connection with the worm wheels 24, a worm 25 is rotatably provided on the outer side wall of the vertical plate 17, the worm 25 is in meshing connection with the plurality of worm wheels 24 on the vertical plate 17, a first bevel gear 26 is provided at the end of the worm 25, a second bevel gear 27 is provided on the first bevel gear 26 in meshing, a transmission shaft 28 is connected between the two second bevel gears 27, the transmission shaft 28 is rotatably mounted on the U-shaped outer plate 6, and a rotating wheel 29 is fixed on the transmission shaft 28.
Specifically, rotating wheel 29 drives two worms 25 through transmission shaft 28, two second bevel gears 27 and two first bevel gears 26 and rotates in step, worm 25 drives a plurality of first bevel gears 26 and rotates in step, thereby worm wheel 24 on two risers 17 can both rotate in step, worm wheel 24 accessible connecting axle 23 stirs rotor plate 22 and swings, rotor plate 22 stirs movable frame 19 through the inner wall of second slide post 21 and second spout 20 and reciprocates, thereby make a plurality of second slide posts 21 and a plurality of second spout 20 synchronous drive movable frame 19 and reciprocate, conveniently keep movable frame 19 horizontality for movable frame 19 provides the power of reciprocating, avoid movable frame 19 slope and influence the state of base 1, bi-directional force detector 4 and antiskid plate 5.
As shown in fig. 4, as a preference of the above embodiment, teeth are provided on the outer wall of the rotating wheel 29, a pressing plate 30 is rotatably provided on the U-shaped outer plate 6, a plate spring 31 is provided between the pressing plate 30 and the U-shaped outer plate 6, an arc-shaped tooth row 32 is provided at the outer end of the pressing plate 30, the arc-shaped tooth row 32 is fastened on the rotating wheel 29, and the arc-shaped tooth row 32 is meshed with the teeth on the rotating wheel 29.
Specifically, through setting up clamp plate 30, leaf spring 31 and arc tooth row 32, can conveniently carry out locking screens to runner 29 and handle, leaf spring 31 accessible clamp plate 30 provides elastic thrust to arc tooth row 32 to make arc tooth row 32 and runner 29 paste tightly.
As shown in fig. 5, as a preferable example of the above embodiment, a range finder 33 is provided on the inner wall of the end portion of the movable frame 19, and the range finder 33 and the base 1 are located at both ends of the movable frame 19.
Specifically, the distance meter 33 can detect the distance between the anti-skid plate 5 and the base 1, and when the anti-skid plate 5 moves inertially, the distance meter 33 detects the inertially moving distance and the moving time of the anti-skid plate 5, so that the detection data can be conveniently and directly collected.
As shown in fig. 2 and 9, as a preferable example of the above embodiment, a fixed groove plate 34 is fixed on the outer wall of the U-shaped outer plate 6, vertical scores are provided on two mutually perpendicular side walls in the fixed groove plate 34, and a hanging rod 35 is rotatably provided in the fixed groove plate 34;
the bottom of the U-shaped outer plate 6 is provided with a plurality of adjusting cushion feet 36.
Specifically, the hanging rod 35 can be connected to the fixed groove plate 34 through a rotating ball or a pull rope, so that the hanging rod 35 can naturally hang down, when the hanging rod 35 is overlapped with two vertical scores in the fixed groove plate 34, the U-shaped outer plate 6 is horizontal, the horizontal state of the U-shaped outer plate 6 is conveniently detected, the U-shaped outer plate 6 can be supported through the adjusting pad foot 36, the height of the adjusting pad foot 36 is adjusted, and the horizontal state of the U-shaped outer plate 6 can be adjusted.
As shown in fig. 2, as a preferable example of the above embodiment, two water pipes 37 are provided at the bottom of the U-shaped outer plate 6, a plurality of spray heads 38 are provided on the water pipes 37 in a communicating manner, and the spray heads 38 on the two water pipes 37 are opposite to each other.
Specifically, through water pipe 37 and shower nozzle 38, can carry out the water spray operation to the road surface of the long mouth bottom on the U type planking 6 to increase road surface humidity, conveniently detect the road surface under the wet slip condition.
When the anti-skid plate 5 is used, horizontal pulling force is applied to the anti-skid plate 5 through the motor 13, the screw rod 14 and the screw sleeve 15, the static friction parameter can be detected through the pulling force value when the anti-skid plate 5 is changed from static state to dynamic state and the parameters of the self gravity of the anti-skid plate 5 detected by the bidirectional force detector, the dynamic friction parameter can be detected through the pulling force value when the anti-skid plate 5 moves horizontally at a uniform speed, the dynamic friction parameter can be detected again through the distance and time of the anti-skid plate 5 in deceleration movement under the action of inertia force, and the road friction coefficient can be measured by combining multiple measurement parameters.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (4)
1. The testing device for detecting the friction coefficient of the municipal road surface is characterized by comprising a base (1), wherein an arched guide frame (2) is arranged at the top of the base (1), a movable plate (3) is vertically arranged in the arched guide frame (2) in a sliding manner, a bidirectional force detector (4) is arranged at the bottom of the base (1), and a antiskid plate (5) is arranged at the bottom of the bidirectional force detector (4);
the anti-skid device comprises a base, a U-shaped outer plate (6), a long opening is formed in the bottom of the U-shaped outer plate (6), the bottom of the anti-skid plate (5) penetrates through the long opening and is in contact with a road surface, two Z-shaped guide grooves (7) are formed in the side wall of the U-shaped outer plate (6) oppositely, first sliding columns (8) are arranged at two ends of the moving plate (3), and the two first sliding columns (8) are respectively and slidably arranged in the two Z-shaped guide grooves (7);
the top of the moving plate (3) is provided with a fork frame (9), the bottom of the fork frame (9) penetrates through the moving plate (3) and slides relatively, a tension meter (10) is fixed on the side wall of the fork frame (9), and a connecting plate (11) is arranged on the tension meter (10);
two first sliding grooves (12) are formed in the inner side wall of the U-shaped outer plate (6) oppositely, the two first sliding grooves (12) are horizontal, and two ends of the fork frame (9) are respectively and slidably arranged in the two first sliding grooves (12);
the motor (13) is positioned at the inner side of the U-shaped outer plate (6), a screw rod (14) is arranged at the output end of the motor (13), a screw sleeve (15) is sleeved on the screw rod (14) in a screwed mode, the screw sleeve (15) is connected with the top of the connecting plate (11), a supporting plate (16) is arranged at the outer end of the screw rod (14) and the outer wall of the motor (13), the outer end of the supporting plate (16) is fixed on the inner wall of the U-shaped outer plate (6), and the outer end of the screw rod (14) is connected with the upper supporting plate (16) in a rotating mode;
two sides of a long opening at the bottom of the inner wall of the U-shaped outer plate (6) are respectively provided with a vertical plate (17), a plurality of guide rails (18) in a vertical state are arranged on the vertical plates (17), a movable frame (19) is arranged between the two vertical plates (17), the outer wall of the movable frame (19) is vertically and slidably arranged on the guide rails (18), the base (1) is positioned in the movable frame (19), and the outer wall of the base (1) is horizontally and slidably arranged on the movable frame (19);
a plurality of second sliding grooves (20) in a horizontal state are formed in the outer side wall of the movable frame (19), a second sliding column (21) is arranged in the second sliding grooves (20) in a sliding mode, a rotating plate (22) is arranged at the outer end of the second sliding column (21) in a rotating mode, a connecting shaft (23) is arranged at the outer end of the rotating plate (22), a plurality of worm gears (24) are arranged on the outer side wall of the vertical plate (17) in a rotating mode, the connecting shaft (23) is in transmission connection with the worm gears (24), a worm (25) is arranged on the outer side wall of the vertical plate (17) in a rotating mode, the worm (25) is in meshed connection with the worm gears (24) on the vertical plate (17), a first bevel gear (26) is arranged at the end portion of the worm (25), a second bevel gear (27) is arranged on the first bevel gear (26) in a meshed mode, a transmission shaft (28) is connected between the two second bevel gears (27), the transmission shaft (28) is rotatably arranged on the U-shaped outer plate (6), and a rotating wheel (29) is fixed on the transmission shaft (28);
the inner wall of the end part of the movable frame (19) is provided with a distance meter (33), and the distance meter (33) and the base (1) are positioned at two ends of the movable frame (19).
2. The test device for detecting the friction coefficient of the municipal road surface according to claim 1, wherein teeth are arranged on the outer wall of the rotating wheel (29), a pressing plate (30) is rotatably arranged on the U-shaped outer plate (6), a plate spring (31) is arranged between the pressing plate (30) and the U-shaped outer plate (6), an arc-shaped tooth row (32) is arranged at the outer end of the pressing plate (30), the arc-shaped tooth row (32) is buckled on the rotating wheel (29), and the arc-shaped tooth row (32) is meshed with the teeth on the rotating wheel (29).
3. The test device for detecting the friction coefficient of the municipal road surface according to claim 2, wherein a fixed groove plate (34) is fixed on the outer wall of the U-shaped outer plate (6), vertical scores are arranged on two mutually perpendicular side walls in the fixed groove plate (34), and a hanging rod (35) is rotationally arranged in the fixed groove plate (34);
a plurality of adjusting cushion feet (36) are arranged at the bottom of the U-shaped outer plate (6).
4. A test device for detecting the friction coefficient of a municipal road surface according to claim 3, wherein two water pipes (37) are oppositely arranged at the bottom of the U-shaped outer plate (6), a plurality of spray heads (38) are communicated with the water pipes (37), and the spray heads (38) on the two water pipes (37) are opposite in direction.
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| CN202211574516.8A CN115931704B (en) | 2022-12-08 | 2022-12-08 | A test device for detecting municipal road surface coefficient of friction |
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| CN202211574516.8A CN115931704B (en) | 2022-12-08 | 2022-12-08 | A test device for detecting municipal road surface coefficient of friction |
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| CN115931704B true CN115931704B (en) | 2023-09-15 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013095322A (en) * | 2011-11-02 | 2013-05-20 | Sumitomo Rubber Ind Ltd | Measuring method of road surface friction coefficient |
| CN107167421A (en) * | 2017-06-27 | 2017-09-15 | 山东交通学院 | A kind of multifunction road static and dynamic friction coefficient determines car |
| CN107300523A (en) * | 2017-06-27 | 2017-10-27 | 山东交通学院 | Road surface static and dynamic friction coefficient determines device under a kind of indoor and outdoor multi-environment state |
| CN112033893A (en) * | 2020-05-28 | 2020-12-04 | 北京机械设备研究所 | Friction coefficient measuring device and measuring method |
| CN212904458U (en) * | 2020-09-29 | 2021-04-06 | 东北林业大学 | Road surface friction coefficient detection device |
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- 2022-12-08 CN CN202211574516.8A patent/CN115931704B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013095322A (en) * | 2011-11-02 | 2013-05-20 | Sumitomo Rubber Ind Ltd | Measuring method of road surface friction coefficient |
| CN107167421A (en) * | 2017-06-27 | 2017-09-15 | 山东交通学院 | A kind of multifunction road static and dynamic friction coefficient determines car |
| CN107300523A (en) * | 2017-06-27 | 2017-10-27 | 山东交通学院 | Road surface static and dynamic friction coefficient determines device under a kind of indoor and outdoor multi-environment state |
| CN112033893A (en) * | 2020-05-28 | 2020-12-04 | 北京机械设备研究所 | Friction coefficient measuring device and measuring method |
| CN212904458U (en) * | 2020-09-29 | 2021-04-06 | 东北林业大学 | Road surface friction coefficient detection device |
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