CN214132994U

CN214132994U - Vehicle speed detection device

Info

Publication number: CN214132994U
Application number: CN202023062743.1U
Authority: CN
Inventors: 唐国兵; 林聪�
Original assignee: Shanghai Yuhe Motor Vehicle Testing Co ltd
Current assignee: Shanghai Yuhe Motor Vehicle Testing Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-07
Anticipated expiration: 2030-12-18

Abstract

The utility model relates to a speed of a motor vehicle detection device belongs to the technical field of automobile inspection equipment, and its main technical scheme is, including the frame, still including rotating the backing roll that supports in the frame, still include belt cleaning device, the washing tank has been seted up in the frame, the washing tank including mutual intercommunication between slip and hold between, belt cleaning device includes sliding fit sliding block in sliding between, still including installing the lifting piece on the sliding block, installs on the lifting piece and can get into under the drive of lifting piece or shift out wash the pole in holding, seted up the hole for water spraying on the washing pole, wash the pole and be connected with high-pressure water source, the sliding block is connected with can drive the sliding block at the drive arrangement who removes in sliding. This application has the effect that can wash the backing roll.

Description

Vehicle speed detection device

Technical Field

The application relates to the technical field of automobile detection equipment, in particular to a vehicle speed detection device.

Background

After the automobile is used for a long time, an error exists between the real speed of the automobile and the display data of the speedometer, so that the actual speed of the automobile needs to be detected through a speed detection device.

At present, the patent document of grant publication No. CN211263523U discloses a motor vehicle speed detection device, including examining test table, examine test table be equipped with fixed plate, lifter plate and roller, fixed plate and examine test table fixed connection, roller and fixed plate rotate to be connected, examine test table on still be equipped with and prevent changeing the mechanism, prevent changeing the mechanism including installing the driving piece that examines test table and the clutch blocks that are connected with the driving piece, the clutch blocks on be equipped with and be used for the arc wall that contacts with the roller. The motor vehicle speed detection device can improve the safety of departure.

In view of the above-mentioned related art, the inventor believes that the roller of the vehicle speed detection device may have impurities adhered after being used for a long time, which may cause the friction between the roller and the wheel to be changed, thereby affecting the detection result, and the device may not be convenient for cleaning the roller, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to clean the supporting roller conveniently, the application provides a vehicle speed detection device.

The application provides a speed of a motor vehicle detection device adopts following technical scheme:

the utility model provides a speed of a motor vehicle detection device, includes the frame, still supports the backing roll in the frame including rotating, still includes belt cleaning device, the washing tank has been seted up in the frame, the washing tank including between the slip of mutual intercommunication and hold within a definite time, belt cleaning device includes sliding block of sliding fit in sliding within a definite time, still including installing the lifting piece on the sliding block, installs on the lifting piece and can get into or shift out under the drive of lifting piece wash the pole in holding within a definite time, seted up the hole for water spraying on the washing pole, wash the pole and be connected with high-pressure water source, the sliding block is connected with can drive the driving device that the sliding block removed in sliding within a definite time.

Through adopting above-mentioned technical scheme, when needs wash the backing roll, will wash the pole through the lifting and move out from holding of washing tank within a definite time, and slide within a definite time in sliding through drive arrangement drive sliding block, thereby drive and wash the top that the pole removed the backing roll, to washing the pole in lead to behind the high pressure water source, water can be followed the downthehole blowout of water spray, thereby spout on the backing roll, wash backing roll surface adhesion's debris, realized carrying out abluent mesh to the backing roll.

Optionally, the driving device includes a lead screw rotatably supported in the sliding chamber, and further includes a motor fixed on the frame, and an output shaft of the motor is coaxially fixed with the lead screw; and a through threaded hole is formed in the sliding block, and the lead screw penetrates through the threaded hole and is in threaded connection with the sliding block.

Through adopting above-mentioned technical scheme, the starter motor can drive the lead screw and rotate, because lead screw and sliding block threaded connection, and sliding block sliding fit is in sliding within a definite time, therefore the lead screw rotates and to drive the sliding block and slide within a definite time that slides, realizes driving the sliding block and carries out the function that removes.

Optionally, be provided with two between sliding, two slide relative settings within a definite time, hold and be linked together between two slides, the sliding block sets up in one of them slides within a definite time, is provided with the cooperation piece that can slide within a definite time that slides within another slides, install on the cooperation piece with the same lifting piece on the sliding block, install respectively on two lifting pieces at the both ends of wasing the pole.

Through adopting above-mentioned technical scheme, the both ends of wasing the pole can support through two lifting pieces respectively to at the in-process that washs the pole and remove, wash the pole will be more stable.

Optionally, install the internal fixation is provided with the circular orbit between the slip of cooperation piece, the circular orbit is on a parallel with the lead screw sets up, sets up the mating holes that link up on the cooperation piece, and the circular orbit passes the mating holes, cooperation piece sliding connection on the circular orbit.

Through adopting above-mentioned technical scheme, the cooperation piece can remove in the slip within a definite time along the direction that the circular orbit is injectd, avoids the cooperation piece to take place the skew, has guaranteed the stability of wasing the pole when removing.

Optionally, the lifting piece is a hydraulic cylinder, a cylinder barrel of the hydraulic cylinder located on the sliding block is fixed on the sliding block, a cylinder barrel of the hydraulic cylinder located on the matching block is fixed on the matching block, and two ends of the cleaning rod are fixed to end portions of piston rods of the two hydraulic cylinders respectively.

Through adopting above-mentioned technical scheme, the flexible cleaning rod that can drive the hydraulic cylinder piston rod goes up and down, realizes driving cleaning rod and removes or drive cleaning rod and remove the function in holding between from holding between.

Optionally, a supporting block is fixedly arranged at the end of the piston rod of each hydraulic cylinder, the supporting block is of a cavity structure, two ends of the cleaning rod are fixed on the supporting block, and the cleaning rod is communicated with the supporting block; the supporting block is fixedly provided with a connecting pipe, the connecting pipe is communicated with the inside of the supporting block, a cut-off valve is installed on the connecting pipe, a hose is fixedly communicated with the connecting pipe, and the hose is connected with a water source.

Through adopting above-mentioned technical scheme, the water source can get into in the connecting tube through the hose, opens and close the block valve and can control the water source and get into in the braced block, and then whether control water source can get into the washing pole in, the realization is sprayed the function of carrying out control.

Optionally, the block valve includes a valve rod capable of controlling the on-off state of the block valve, a gear is fixedly disposed on the valve rod, and a rack capable of being meshed with the gear is fixedly disposed on a side wall of the sliding chamber.

Through adopting above-mentioned technical scheme, after the lifting piece drives the washing pole and removes the top that holds between, the motor drives the in-process that the washing pole removed the backing roll top, also can drive the shut-off valve and remove, and the gear on the valve rod of shut-off valve can take place the meshing with the rack at the in-process that removes, thereby open the shut-off valve, make the downthehole blowout of water spray of high pressure water from the washing pole, after the washing pole resets, the rack can reverse drive the valve rod and rotate, in order to close the shut-off valve, the operation process is more automatic.

Optionally, a plurality of bristles are arranged on the cleaning rod, one ends of the bristles are fixed on the cleaning rod, and the other ends of the bristles are arranged downwards.

Through adopting above-mentioned technical scheme, wash the pole and can make the brush hair support on the backing roll at the in-process that removes to brush the adnexed debris on the backing roll, improve the cleaning performance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a cross-sectional view of the gantry.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

Description of reference numerals: 1. a frame; 11. mounting grooves; 12. a cleaning tank; 121. a sliding chamber; 122. a containing room; 2. a support roller; 3. a cleaning device; 31. a slider; 311. a threaded hole; 32. a lifting member; 33. a cleaning rod; 331. a water spray hole; 332. brushing; 34. a circular rail; 35. a matching block; 351. a mating hole; 36. a support block; 37. a connecting pipe; 371. a hose; 38. a shut-off valve; 381. a valve stem; 382. a gear; 39. a rack; 4. a drive device; 41. a lead screw; 42. an electric motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses speed of a motor vehicle detection device. Referring to fig. 1, the vehicle speed detecting apparatus includes a frame 1, and further includes two sets of support rollers 2 mounted on the frame 1, and two groups of cleaning devices 3 arranged on the frame 1, each group of cleaning devices 3 is used for cleaning one group of supporting rollers 2, the frame 1 is of a cuboid solid structure, two mounting grooves 11 are formed in the frame 1, each mounting groove 11 is of a cuboid cavity structure, one group of supporting rollers 2 are respectively mounted in each mounting groove 11, each group of supporting rollers 2 is provided with two supporting rollers, the axes of the two supporting rollers 2 are parallel to each other and are horizontally arranged, the two supporting rollers 2 are simultaneously and rotatably supported on the side walls of the mounting grooves 11, and the axes of the two groups of four supporting rollers 2 are all parallel to each other, when the automobile speed is detected, the automobile is driven to the rack 1, so that two wheels of the automobile are supported by the two groups of supporting rollers 2, and the automobile is started to enable the wheels of the automobile to idle, so that the automobile speed can be detected.

Referring to fig. 1 and 2, two cleaning tanks 12 are disposed on the frame 1, the cleaning tank 12 is of a U-shaped structure as a whole, the two cleaning tanks 12 are respectively wound around the two mounting grooves 11, the cleaning tank 12 includes two opposite sliding compartments 121, and a containing compartment 122 connected between the two sliding compartments 121, the sliding compartments 121 and the containing compartment 122 are both of rectangular cavity structures, two side surfaces of the containing compartment 122 are respectively communicated with the two sliding compartments 121, the extending directions of the sliding compartments 121 and the containing compartment 122 are respectively parallel to one side wall of the cleaning tank 12, and the cleaning device 3 is mounted in the cleaning tank 12.

Referring to fig. 2 and 3, the cleaning device 3 includes a sliding block 31 installed in a sliding chamber 121, the sliding block 31 has a rectangular parallelepiped structure, two side walls of the sliding block 31 are respectively attached to two side walls of the sliding chamber 121, so that the sliding block 31 is slidably fitted in the sliding chamber 121, the cleaning device 3 further includes a lifting member 32 installed on the sliding block 31, and further includes a cleaning rod 33 installed on the lifting member 32, the cleaning rod 33 is horizontally disposed, and the cleaning rod 33 is disposed parallel to the length direction of the accommodating chamber 122, the cleaning rod 33 is hollow and connected with a high-pressure water source, in combination with fig. 4, a plurality of water spray holes 331 penetrating through the side walls of the cleaning rod 33 are formed on the cleaning rod 33, in this application, the lifting member 32 is a hydraulic cylinder, a cylinder of the hydraulic cylinder is fixed on the sliding block 31, a piston rod of the hydraulic cylinder is disposed upward, and an end of the cleaning rod 33 is fixed relative to an end of the piston rod of the hydraulic cylinder, the cleaning rod 33 can be driven to move up and down by the lifting of the hydraulic cylinder piston rod, and the driving device 4 which can control the sliding of the sliding block 31 in the sliding room 121 is connected to the sliding block 31.

Referring to fig. 2 and 3, a threaded hole 311 is formed in the sliding block 31, the driving device 4 includes a lead screw 41 rotatably supported between two opposite side walls of the sliding chamber 121, the lead screw 41 is horizontally disposed, the lead screw 41 is disposed parallel to the length direction of the sliding chamber 121, the lead screw 41 penetrates through the threaded hole 311 to be in threaded connection with the sliding block 31, the driving device 4 further includes a motor 42 fixedly disposed on the frame 1, an output shaft of the motor 42 is coaxially fixed with the lead screw 41, the sliding block 31 can be driven to slide in the sliding chamber 121 by activating the motor 42, when the supporting roller 2 needs to be cleaned, the cleaning rod 33 is pushed upwards by the lifting member 32 to move the cleaning rod 33 above the accommodating chamber 122, the motor 42 is then activated to drive the lead screw 41 to rotate, thereby driving the sliding block 31 to move in the sliding chamber 121, and after the cleaning rod 33 moves above the supporting, the high pressure water source can be sprayed from the water spraying holes 331 of the cleaning rod 33, so that the high pressure water can be sprayed on the supporting roller 2, thereby achieving the purpose of cleaning the supporting roller 2.

Referring to fig. 2 and 4, in order to improve the stability of the cleaning rod 33 during movement, the cleaning device 3 further includes a circular rail 34 installed in the sliding compartment 121 without the screw 41, two ends of the circular rail 34 are fixed on two opposite side walls of the sliding compartment 121, the circular rail 34 is arranged parallel to the screw 41, the cleaning device 3 further includes a matching block 35 arranged in the sliding compartment 121 with the circular rail 34, a matching hole 351 is formed on the matching block 35, the matching hole 351 is a circular hole having the same diameter as the circular rail 34, the circular rail 34 passes through the matching hole 351, the matching block 35 is slidably connected to the circular rail 34, the matching block 35 is fixedly provided with a lifting piece 32 which is the same as the sliding block 31, the lifting piece 32 is also a hydraulic cylinder, two ends of the cleaning rod 33 are respectively fixed relative to piston rods of the two hydraulic cylinders, so that the cleaning rod 33 can be supported by the two lifting pieces 32 during movement, the stability is better.

Referring to fig. 2 and 4, in order to provide a water source into the cleaning rod 33, a support block 36 is fixedly arranged at an end of a piston rod of each hydraulic cylinder, the support block 36 is of a hollow structure, two ends of the cleaning rod 33 are respectively fixed and communicated with the two support blocks 36, a connecting pipe 37 is fixedly arranged on a side wall of one support block 36, the connecting pipe 37 is a rigid pipeline with a hollow interior, the connecting pipe 37 is communicated with the interior of the support block 36, a cut-off valve 38 is arranged on the connecting pipe 37, the cut-off valve 38 comprises a valve rod 381 capable of controlling the on-off of the valve rod 381, the valve rod 381 is a round rod, a gear 382 is fixedly arranged on the valve rod 381, in addition, a rack 39 capable of being meshed with the gear 382 is fixedly arranged on a side wall of the sliding chamber 121, a hose 371 is arranged on the connecting pipe 37, the hose 371 is fixed and communicated with the, after the cleaning rod 33 is driven to move to the upper part of the accommodating room 122 through the hydraulic cylinder, the motor 42 drives the cleaning rod 33 to move to the upper part of the supporting roller 2, the cut-off valve 38 can also be driven to move, the gear 382 on the valve rod 381 of the cut-off valve 38 can be meshed with the rack 39 in the moving process, so that the cut-off valve 38 is opened, high-pressure water is sprayed out from the water spraying hole 331 of the cleaning rod 33, and after the cleaning rod 33 is reset, the rack 39 can reversely drive the valve rod 381 to rotate, so that the cut-off valve 38 is closed.

Referring to fig. 2 and 4, in order to improve the cleaning effect, a plurality of bristles 332 are fixedly provided on the cleaning rod 33, one end of the bristles 332 is fixed to the cleaning rod 33, and the other end is disposed downward, so that the bristles 332 can contact the surface of the supporting roller 2 while the cleaning rod 33 moves, thereby brushing off the dirt attached to the surface of the supporting roller 2, and improving the cleaning effect.

The implementation principle of the vehicle speed detection device in the embodiment of the application is as follows: when the surface of the supporting roller 2 needs to be cleaned, the cleaning rod 33 is moved to the upper part of the accommodating room 122 through the lifting piece 32, the starting motor 42 drives the screw rod 41 to rotate, the screw rod 41 rotates to drive the sliding block 31 to slide in the sliding room 121, and the cleaning rod 33 can be driven to move to the upper part of the supporting roller 2, in the moving process of the cleaning rod 33, the gear 382 on the valve rod 381 of the cut-off valve 38 can be meshed with the rack 39 on the side wall of the sliding room 121, so that a high-pressure water source in the hose 371 enters the cleaning rod 33 after passing through the cut-off valve 38, the connecting pipe 37 and the supporting block 36, and is sprayed out of the water spraying hole 331 on the cleaning rod 33 to the supporting roller 2, and the cleaning function of the supporting roller 2 is realized.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a speed of a motor vehicle detection device, includes frame (1), still includes backup roll (2) of rotation support on frame (1), its characterized in that: still include belt cleaning device (3), washing tank (12) have been seted up on frame (1), washing tank (12) including between the slip of intercommunication (121) and hold within a definite time (122), belt cleaning device (3) include sliding block (31) of sliding fit in slip within a definite time (121), still including installing lifting piece (32) on sliding block (31), install on lifting piece (32) and can get into or shift out under the drive of lifting piece (32) wash pole (33) in holding within a definite time (122), wash and seted up hole for water spraying (331) on pole (33), wash pole (33) and be connected with high-pressure water source, sliding block (31) are connected with and can drive sliding block (31) drive arrangement (4) that remove within a definite time (121) in the slip.

2. A vehicle speed detection device according to claim 1, characterized in that: the driving device (4) comprises a lead screw (41) which is rotatably supported in the sliding room (121), and further comprises a motor (42) which is fixed on the rack (1), wherein an output shaft of the motor (42) is coaxially fixed with the lead screw (41);

the sliding block (31) is provided with a through threaded hole (311), and the lead screw (41) penetrates through the threaded hole (311) and is in threaded connection with the sliding block (31).

3. A vehicle speed detection device according to claim 2, characterized in that: between sliding (121) be provided with two, two slide between (121) set up relatively, hold between (122) and two slide between (121) and be linked together, sliding block (31) set up in one of them slides between (121), be provided with in another slide between (121) and can be in the gliding cooperation piece (35) in sliding between (121), install on cooperation piece (35) with same lifting piece (32) on sliding block (31), install respectively on two lifting pieces (32) at the both ends of wasing pole (33).

4. A vehicle speed detection device according to claim 3, characterized in that: install between the slip (121) internal fixation of cooperation piece (35) is provided with circular rail (34), and circular rail (34) are on a parallel with lead screw (41) set up, set up on cooperation piece (35) and have seted up through-going mating holes (351), and circular rail (34) pass mating holes (351), and cooperation piece (35) sliding connection is on circular rail (34).

5. A vehicle speed detection device according to claim 3 or 4, characterized in that: the lifting piece (32) is a hydraulic cylinder, a cylinder barrel of the hydraulic cylinder positioned on the sliding block (31) is fixed on the sliding block (31), a cylinder barrel of the hydraulic cylinder positioned on the matching block (35) is fixed on the matching block (35), and two ends of the cleaning rod (33) are respectively fixed with the end parts of piston rods of the two hydraulic cylinders.

6. A vehicle speed detection device according to claim 5, characterized in that: a supporting block (36) is fixedly arranged at the end part of the piston rod of each hydraulic cylinder, the supporting block (36) is of a cavity structure, two ends of the cleaning rod (33) are fixed on the supporting block (36), and the cleaning rod (33) is communicated with the supporting block (36);

the water supply device is characterized in that a connecting pipe (37) is fixedly arranged on the supporting block (36), the connecting pipe (37) is communicated with the inside of the supporting block (36), a cut-off valve (38) is installed on the connecting pipe (37), a hose (371) is fixedly communicated on the connecting pipe (37), and the hose (371) is connected with a water source.

7. A vehicle speed detection device according to claim 6, characterized in that: the cut-off valve (38) comprises a valve rod (381) capable of controlling the cut-off of the cut-off valve, a gear (382) is fixedly arranged on the valve rod (381), and a rack (39) capable of being meshed with the gear (382) is fixedly arranged on the side wall of the sliding chamber (121).

8. A vehicle speed detection device according to any one of claims 1 to 4, characterized in that: a plurality of bristles (332) are arranged on the cleaning rod (33), one ends of the bristles (332) are fixed on the cleaning rod (33), and the other ends of the bristles (332) face downwards.