CN209821234U

CN209821234U - Vehicle speed detection platform

Info

Publication number: CN209821234U
Application number: CN201920719145.5U
Authority: CN
Inventors: 江森; 杨静
Original assignee: Hefei Feidong Chang'an Motor Vehicle Testing Co Ltd
Current assignee: Hefei Feidong Chang'an Motor Vehicle Testing Co Ltd
Priority date: 2019-05-18
Filing date: 2019-05-18
Publication date: 2019-12-20
Anticipated expiration: 2029-05-18

Abstract

The utility model relates to the technical field of vehicle detection, and discloses a vehicle speed detection platform, which comprises a detection platform and a mounting groove arranged on the detection platform, a roller is rotatably connected inside the mounting groove, two ends of the roller are fixedly connected with a roller, a limiting plate is fixedly connected on the peripheral side of the rolling shaft, a limiting groove is arranged on one side of the limiting plate away from the roller, be equipped with locking Assembly on the lateral wall of mounting groove, locking Assembly includes and stretches into the fixed cover of spacing inslot with one end and mounting groove lateral wall fixed connection and the other end, locate fixed cover inside and with mounting groove lateral wall fixed connection's second electric putter, with second electric putter's flexible end articulated first transfer line, with the tip articulated second transfer line of first transfer line and with second transfer line tip fixed connection and with the stay of spacing groove lateral wall butt. The utility model has the advantages of it is following and effect: the roller fixing firmness can be improved, and the safety of the vehicle getting out is improved.

Description

Vehicle speed detection platform

Technical Field

The utility model relates to a vehicle detection technology field, in particular to speed of a motor vehicle testing platform.

Background

After the speedometer is used for a long time, the indication error of the speedometer is increased due to the change of the transmission gear, the flexible shaft and the technical condition of the speedometer and the change of the rolling radius of the driving wheel caused by the abrasion of a tire. If the indication error of the speedometer is too large, the driver is difficult to control the speed correctly, and traffic accidents are easily caused by misjudgment. In order to ensure the indication precision of the speedometer, the speedometer needs to be detected and corrected timely.

At present, chinese patent with publication number CN108918915A discloses a detection device for an automobile speedometer, which includes a measuring table, a clamping assembly, a safety assembly, a first air pump, a data table, a first rotating shaft, a first roller, a second rotating shaft, a second roller, a speed sensor, a third rotating shaft, a third roller, a fourth rotating shaft, a fourth roller, a coupling, a lifter and a bearing, wherein the clamping assembly is installed on both sides of the measuring table, and the safety assembly is installed around the inside of the measuring table.

Above-mentioned technical scheme is through safe subassembly fixed cylinder when the car is gone out, avoids skidding, guarantees the safety of going out, nevertheless has following defect: the roller is not firmly fixed, and friction is generated between the roller and an automobile tire when the automobile is out of the automobile, so that the roller is easy to continue rotating, and the safety of the automobile is further influenced. Therefore, a vehicle speed detecting platform is needed to improve the firmness of roller fixing so as to improve the safety of vehicle exiting.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a speed of a motor vehicle testing platform can improve the fixed fastness of cylinder to this security that improves the car.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a vehicle speed detection platform comprises a detection platform, wherein the upper surface of the detection platform is provided with two installation grooves communicated with the outside, the interior of each installation groove is rotatably connected with a roller, the two end parts of the roller are fixedly connected with rolling shafts which are rotationally connected with the inner wall of the mounting groove, the peripheral sides of the rolling shafts are fixedly connected with limiting plates, a limiting groove is arranged on one side of the limiting plate away from the roller, a locking component is arranged on the side wall of the mounting groove, locking Assembly includes with one end and mounting groove lateral wall fixed connection and the other end stretch into the fixed cover of spacing inslot, locate fixed cover inside and stiff end and mounting groove lateral wall fixed connection's second electric putter, with the flexible end articulated first transfer line of second electric putter, with the tip of first transfer line articulated and wear to establish the second transfer line of fixed cover lateral wall and with second transfer line tip fixed connection and with the stay of spacing groove lateral wall butt.

When the automobile detection is finished and needs to be discharged, by adopting the technical scheme, the second electric push rod is started, the second electric push rod extends to one side close to the limiting groove, the rotation of the first transmission rod is promoted, because the second transmission rod penetrates through the side wall of the fixing sleeve, the second transmission rod can extend and retract along the side wall of the fixing sleeve, the locking piece can be promoted to move to one side close to the side wall of the limiting groove, finally, the locking piece is tightly abutted against the limiting groove, the limiting plate is fixed and cannot rotate at the moment, the rolling shaft is fixed, the fixing of the rolling shaft is realized, the rolling shaft is tightly fixed during the vehicle discharging, the rolling shaft cannot continue to rotate, and the vehicle discharging safety is guaranteed.

The utility model discloses further set up to, the spacing groove is equipped with anti-skidding line on being close to the lateral wall of stay.

Through adopting above-mentioned technical scheme, the frictional force between spacing groove and the stay can be increased to the antiskid line, avoids appearing the relative slip between stay and the spacing groove, has strengthened the fastening nature of being connected between stay and the spacing groove, has further improved the security of going out of the car.

The utility model discloses further set up to, the second transfer line with be equipped with the connecting piece between the stay, the connecting piece include with stay fixed connection's connecting rod and with second transfer line tip fixed connection's fixing base, the connecting rod with the common threaded connection of fixing base has the bolt.

Through adopting above-mentioned technical scheme, establish the connecting piece into the combination of connecting rod, fixing base, and common threaded connection has the bolt between the two, twist and move the bolt and can dismantle the separation with connecting rod and fixing base, and then dismantle the separation with second transfer line and stay to this has made things convenient for the dismantlement of stay to change.

The utility model discloses further set up to, set up the through-hole that supplies the second transfer line to pass on the lateral wall of fixed cover, the protective washer of the reducible second transfer line wearing and tearing of fixedly connected with on the inner wall of through-hole.

By adopting the technical scheme, the through hole can facilitate the second transmission rod to pass through, so that the normal use of the second transmission rod is ensured; the protective washer can reduce friction between the second transmission rod and the through hole, so that abrasion of the second transmission rod is reduced, and the service life of the second transmission rod is prolonged.

The utility model discloses further set up to, still be equipped with the chucking subassembly on the lateral wall of mounting groove, the chucking subassembly include with mounting groove lateral wall fixed connection's third electric putter and fixed connection at the flexible end of third electric putter and with the cassette of limiting plate joint.

When fixing the limiting plate, through adopting above-mentioned technical scheme, third electric putter can promote the cassette and remove to the one side that is close to the limiting plate, until the cassette with the limiting plate joint to with the limiting plate chucking, prevent that the limiting plate from continuing to remove, with this rotation of having restricted the cylinder, and then can avoid causing the problem that the wheel skidded because of the cylinder rotates.

The utility model discloses further set up to, detect the equal fixedly connected with curb plate in both sides of platform, two the activity chamber with external intercommunication is all seted up to the inside of curb plate, the inside in activity chamber is equipped with spacing subassembly, spacing subassembly include with activity chamber fixed connection's first electric putter and fixed connection be used for limiting the baffle of wheel position at the flexible end of first electric putter.

When the vehicle speed detection process is carried out, the first electric push rod is started by adopting the technical scheme, and the first electric push rod can push the baffle plate to move upwards until the baffle plate moves upwards to the upper part of the side plate; the wheel is located between two baffles, and when sliding appears in the wheel detection process, the baffle can block the wheel, and then can avoid the wheel to slide and cause the problem of detection failure.

The utility model discloses further set up to, fixedly connected with has the blotter on one side that the baffle is close to the wheel.

Through adopting above-mentioned technical scheme, the blotter has good shock-absorbing capacity, when the wheel slided and strikeed to the baffle on, the blotter can reduce the produced impact force of striking to all form the protection to baffle and wheel.

The utility model discloses further set up to, fixedly connected with cylinder on the upper surface of mounting groove, the flexible end fixedly connected with of cylinder lifts the board.

When entering or leaving the vehicle, by adopting the technical scheme, the cylinder is started to lift the lifting plate to the position with the same height as the roller, so that the wheels move at a relatively flat position, and the stability of the vehicle when entering or leaving the vehicle is ensured.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the automobile detection is finished and the automobile needs to be discharged, the second electric push rod is started, the locking piece can be pushed to move close to one side of the side wall of the limiting groove through the transmission of the first transmission rod and the second transmission rod, the limiting plate is fixed and cannot rotate at the moment, and the rolling shaft is fixed, so that the roller is fixed, the roller is tightly fixed and cannot continue to rotate during the vehicle discharging, and the vehicle discharging safety is guaranteed;

2. in the scheme, the connecting piece is set to be the combination of the connecting rod and the fixed seat, the bolt is in threaded connection with the connecting rod and the fixed seat together, the connecting rod and the fixed seat can be detached and separated by screwing the bolt, and then the second transmission rod and the locking sheet are detached and separated, so that the locking sheet is convenient to detach and replace;

3. when fixing the limiting plate in this scheme, third electric putter can promote the cassette and remove to one side that is close to the limiting plate, until the cassette with the limiting plate joint to with the limiting plate chucking, prevent that the limiting plate from continuing to remove, with this rotation of having restricted the cylinder, and then can avoid causing the problem that the wheel skidded because of the cylinder rotates.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic sectional view of the embodiment;

FIG. 3 is an enlarged schematic view of A in FIG. 2;

figure 4 is a schematic view highlighting the construction of the locking assembly.

In the figure: 1. a detection table; 101. mounting grooves; 102. a side plate; 103. a movable cavity; 11. a lifting plate; 111. a cylinder; 12. a roller; 13. a drum; 2. a limiting plate; 21. a limiting groove; 211. anti-skid lines; 3. a locking assembly; 31. fixing a sleeve; 311. a through hole; 312. a protective gasket; 32. a second electric push rod; 321. a first drive lever; 322. a second transmission rod; 33. a locking piece; 4. a clamping assembly; 41. a third electric push rod; 42. a card holder; 5. a connecting member; 51. a connecting rod; 52. a fixed seat; 53. a bolt; 6. a limiting component; 61. a first electric push rod; 62. a baffle plate; 621. a cushion pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in FIG. 1, the vehicle speed detection platform comprises a detection platform 1, wherein the detection platform 1 is cuboid, the detection platform 1 is embedded underground, the upper surface of the detection platform 1 is flush with the ground, and a mounting groove 101 is formed in the upper surface of the detection platform 1. Mounting groove 101 is the cuboid form, and the length direction of mounting groove 101 is unanimous with the length direction who examines test table 1, and the quantity of mounting groove 101 is two, and two mounting grooves 101 along the axis symmetric distribution that examines test table 1. The inside of two mounting grooves 101 all rotates and is connected with cylinder 13, and the length direction of cylinder 13 is unanimous with the length direction of mounting groove 101, and the quantity of the cylinder 13 that each mounting groove 101 corresponds is two, and the surface of two cylinders 13 all is tangent with the child hat of wheel. The two ends of the roller 13 are fixedly connected with the roller 12, the length direction of the roller 12 is consistent with that of the roller 13, the circle center of the roller 12 and the circle center of the roller 13 are in the same straight line, the diameter of the roller 12 is smaller than that of the roller 13, and the end, far away from the roller 13, of the roller 12 is rotatably connected with the side wall of the mounting groove 101, so that the mounting groove 101 and the roller 13 are rotatably connected.

As shown in fig. 1 and 2, a cylinder 111 is fixedly connected to an upper surface of the mounting groove 101, and a lifting plate 11 is fixedly connected to a telescopic end of the cylinder 111. Lift board 11 and be rectangular shaped plate, lift the length direction of board 11 and the length direction unanimity of mounting groove 101, cylinder 111 is located between two cylinders 13, and when cylinder 111 promoted lift board 11 and move up, lift board 11 can with the bottom butt of the wheel. The two sides of the detection table 1 with a large area are fixedly connected with side plates 102, the side plates 102 are rectangular, and the length direction of the side plates 102 is the same as that of the detection table 1. Activity chamber 103 has all been seted up on two curb plates 102, and activity chamber 103 is the cuboid form, and its length direction is the same with the length direction of curb plate 102, and activity chamber 103 communicates with the external world, and the inside in activity chamber 103 is equipped with spacing subassembly 6.

As shown in fig. 1 and 2, the limiting assembly 6 includes a first electric push rod 61 and a baffle plate 62. The fixed end of first electric putter 61 and the bottom fixed connection who moves about chamber 103, vertical direction is followed to first electric putter 61's flexible direction, and each moves about chamber 103 and all corresponds and is equipped with two first electric putter 61, and two first electric putter 61 are located the bottom both ends that move about chamber 103 respectively. The baffle 62 is cuboid-shaped, the opposite surfaces of the two baffles 62 are arc-shaped, the length direction of the baffle 62 is consistent with that of the movable cavity 103, and the bottom surface of the baffle 62 is fixedly connected with the telescopic end of the first electric push rod 61. First electric putter 61 can promote baffle 62 to the top of activity chamber 103, and the wheel is located between two baffles 62 this moment to the wheel is spacing, has avoided the wheel to slide out and has detected platform 1 and cause the problem of detecting the failure. The buffer pads 621 are bonded on the opposite sides of the two baffle plates 62, the buffer pads 621 have good buffer performance, and when the wheel slides and impacts on the baffle plates 62, the buffer pads 621 can reduce impact force generated by impact, so that the baffle plates 62 and the wheel are protected.

As shown in fig. 1 and 2, a limiting plate 2 is fixedly connected to the roller 12, the limiting plate 2 is a circular plate structure, the center of the limiting plate 2 is aligned with the center of the roller 12, and the diameter of the limiting plate 2 is equal to the diameter of the roller 13. The limiting groove 21 is formed in one side, away from the roller 13, of the limiting plate 2, the limiting groove 21 is of an annular structure, the depth direction of the limiting groove 21 is consistent with the thickness direction of the limiting plate 2, and the circle center of the limiting groove 21 coincides with the circle center of the limiting plate 2. The side wall of the installation groove 101 with a large area is provided with a clamping assembly 4, and the clamping assembly 4 comprises a third electric push rod 41 and a clamping seat 42. The fixed end of the third electric push rod 41 is fixedly connected with the side wall of the mounting groove 101, and the extending and contracting direction of the third electric push rod 41 is perpendicular to the length direction of the drum 13. The cross-section of cassette 42 is the U-shaped, and the bayonet socket direction of cassette 42 is the same with the flexible direction of third electric putter 41, and cassette 42 and the flexible end fixed connection of third electric putter 41, when third electric putter 41 promoted cassette 42, cassette 42 can with limiting plate 2 joint to this is fixed with limiting plate 2, thereby can restrict the rotation of cylinder 13.

As shown in fig. 1 and fig. 3, a locking assembly 3 is disposed on a smaller-area side wall of the mounting groove 101, and the locking assembly 3 includes a fixing sleeve 31, a second electric push rod 32 and a locking plate 33. The fixed sleeve 31 is of a hollow cylindrical structure, the length direction of the fixed sleeve 31 is consistent with that of the roller 13, the end part of the fixed sleeve 31 is fixedly connected with the side wall of the mounting groove 101, and the end part, far away from the side wall of the mounting groove 101, of the fixed sleeve 31 extends to the inside of the limiting groove 21. The extending and retracting direction of the second electric push rod 32 is consistent with the length direction of the fixing sleeve 31, the fixed end of the second electric push rod 32 is fixedly connected with the side wall of the mounting groove 101, and the second electric push rod 32 is located inside the hollow structure of the fixing sleeve 31.

As shown in fig. 3 and 4, the first driving rod 321 is hinged to the telescopic end of the second electric pushing rod 32, and the end of the first driving rod 321 far away from the second electric pushing rod 32 is inclined to the side close to the inner side wall of the fixing sleeve 31. The end part of the first transmission rod 321 far away from the second electric push rod 32 is hinged with a second transmission rod 322, the length direction of the second transmission rod 322 is perpendicular to the length direction of the fixed sleeve 31, and the end part of the second transmission rod 322 far away from the first transmission rod 321 penetrates through the side wall of the fixed sleeve 31 and extends to the outside of the fixed sleeve 31. The side wall of the fixing sleeve 31 is provided with a through hole 311, and the through hole 311 can be penetrated by the second transmission rod 322. The side wall of the through hole 311 is bonded with a protective washer 312, the anti-slip washer is made of rubber materials, one side of the protective washer 312, which is away from the through hole 311, is abutted against the peripheral side of the second transmission rod 322, and the anti-slip washer can reduce friction between the second transmission rod 322 and the through hole 311, so that abrasion of the second transmission rod 322 can be reduced, and the service life of the second transmission rod 322 is prolonged.

As shown in fig. 3 and 4, the locking plate 33 is an arc-shaped plate, the locking plate 33 is located inside the limiting groove 21, one side of the locking plate 33 with a larger area is fixedly connected with the end portion of the second transmission rod 322 far away from the first transmission rod 321, and the other side of the locking plate 33 with a larger area is abutted against the side wall of the limiting groove 21. The side wall of the limiting groove 21 is provided with anti-slip threads 211, the anti-slip threads 211 have good anti-slip performance, and the friction force between the limiting groove 21 and the locking sheet 33 can be increased, so that the locking sheet 33 is more firmly abutted against the limiting groove 21. A connecting piece 5 is connected between the locking piece 33 and the second transmission rod 322, and the connecting piece 5 comprises a connecting rod 51, a fixed seat 52 and a bolt 53. The connecting rod 51 is a cylindrical structure, the end of the connecting rod 51 is fixedly connected with one side of the locking piece 33 close to the second transmission rod 322, and the length direction of the connecting rod 51 is consistent with that of the second transmission rod 322. The section of the fixing seat 52 is U-shaped, the opening direction of the fixing seat 52 faces the position of the locking plate 33, one side of the fixing seat 52 departing from the opening direction is fixedly connected with the end part of the second transmission rod 322, and the connecting rod 51 is abutted to the opening side wall of the fixing seat 52. The bolt 53 penetrates through the fixing seat 52 and the connecting rod 51 and is in threaded connection with the fixing seat and the connecting rod, so that the locking sheet 33 is fixedly connected with the second transmission rod 322, and meanwhile, the locking sheet 33 can be conveniently and quickly detached by screwing the bolt 53, so that the locking sheet 33 is convenient to replace.

When the embodiment is used, the second electric push rod 32 is started, the second electric push rod 32 extends towards one side close to the limiting groove, so as to push the first transmission rod 321 to rotate, because the second transmission rod 322 penetrates through the side wall of the fixing sleeve 31, the second transmission rod 322 can extend and retract along the side wall of the fixing sleeve 31, and further can push the locking sheet 33 to move close to one side of the side wall of the limiting groove 21, finally, the locking sheet 33 is tightly abutted against the limiting groove 21, at the moment, the limiting plate 2 is fixed and cannot rotate, so that the roller 12 is fixed, so that the roller 13 is fixed, the roller 13 is tightly fixed during vehicle outgoing, and cannot continue to rotate, so as to ensure the safety of vehicle outgoing.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a speed of a motor vehicle testing platform, is including examining test table (1), examine and set up two mounting groove (101) with external intercommunication on the upper surface of test table (1), mounting groove (101) internal rotation is connected with cylinder (13), the equal fixedly connected with in both ends of cylinder (13) rotates roller bearing (12) of being connected with mounting groove (101) inner wall, characterized by: a limiting plate (2) is fixedly connected on the peripheral side of the rolling shaft (12), a limiting groove (21) is arranged on one side of the limiting plate (2) far away from the roller (13), be equipped with locking Assembly (3) on the lateral wall of mounting groove (101), locking Assembly (3) include with one end and mounting groove (101) lateral wall fixed connection and the other end stretch into fixed cover (31) in spacing groove (21), locate fixed cover (31) inside and stiff end and mounting groove (101) lateral wall fixed connection second electric putter (32), with the flexible end articulated first transfer line (321) of second electric putter (32), with the tip of first transfer line (321) articulated and wear to establish second transfer line (322) of fixed cover (31) lateral wall and with second transfer line (322) tip fixed connection and with stay (33) of spacing groove (21) lateral wall butt.

2. A vehicle speed sensing platform as defined in claim 1, wherein: the side wall of the limiting groove (21) close to the locking sheet (33) is provided with anti-slip threads (211).

3. A vehicle speed sensing platform as defined in claim 1, wherein: second transfer line (322) with be equipped with connecting piece (5) between locking sheet (33), connecting piece (5) including with locking sheet (33) fixed connection's connecting rod (51) and with second transfer line (322) tip fixed connection's fixing base (52), connecting rod (51) with common threaded connection has bolt (53) fixing base (52).

4. A vehicle speed sensing platform as defined in claim 1, wherein: the side wall of the fixed sleeve (31) is provided with a through hole (311) for the second transmission rod (322) to pass through, and the inner wall of the through hole (311) is fixedly connected with a protective washer (312) capable of reducing the abrasion of the second transmission rod (322).

5. A vehicle speed sensing platform as defined in claim 1, wherein: still be equipped with chucking subassembly (4) on the lateral wall of mounting groove (101), chucking subassembly (4) include with mounting groove (101) lateral wall fixed connection's third electric putter (41) and fixed connection at the flexible end of third electric putter (41) and with cassette (42) of limiting plate (2) joint.

6. A vehicle speed sensing platform as defined in claim 1, wherein: examine equal fixedly connected with curb plate (102) in both sides of test table (1), two movable chamber (103) with external intercommunication are all seted up to the inside of curb plate (102), the inside in activity chamber (103) is equipped with spacing subassembly (6), spacing subassembly (6) include with first electric putter (61) and the baffle (62) that are used for limiting the wheel position of first electric putter (61) flexible end of activity chamber (103) fixed connection.

7. A vehicle speed sensing platform according to claim 6, wherein: a buffer pad (621) is fixedly connected to one side of the baffle plate (62) close to the wheel.

8. A vehicle speed sensing platform as defined in claim 1, wherein: fixedly connected with cylinder (111) on the upper surface of mounting groove (101), the flexible end fixedly connected with of cylinder (111) lifts board (11).