CN217820427U - Roller device for measuring speed of automobile - Google Patents
Roller device for measuring speed of automobile Download PDFInfo
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- CN217820427U CN217820427U CN202221749168.9U CN202221749168U CN217820427U CN 217820427 U CN217820427 U CN 217820427U CN 202221749168 U CN202221749168 U CN 202221749168U CN 217820427 U CN217820427 U CN 217820427U
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- arc plate
- support
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- limiting
- speed
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Abstract
The utility model discloses a car roller device that tests speed, include: the speed measuring device comprises a base, a support and a speed measuring roller, wherein the base comprises a main body frame, a first support frame and a second support frame, and the first support frame and the second support frame are fixedly arranged on two sides of the main body frame; the support comprises a first arc plate fixedly connected with a first support frame, a second arc plate fixedly connected with a second support frame and a square support tube, the first arc plate and the second arc plate are opposite and arranged at intervals, and the square support tube is arranged between the first arc plate and the second arc plate; the speed measuring roller is rotatably arranged between the first arc plate and the second arc plate. The utility model prevents the drive roll from rubbing the speed measuring roll bracket when rotating, thereby avoiding the noise; meanwhile, the bracket structure is stable and firm; and the acting force of the cylinder on the supporting square tube can be adjusted through the piston rod of the cylinder to provide dynamic supporting force.
Description
Technical Field
The utility model belongs to the technical field of the automobile inspection equipment, a car speed measurement roller device is related to.
Background
In the prior art, a speed measuring roller device in automobile detection and braking inspection bench equipment is characterized in that a bearing is mounted in a roller and is generally adopted as a speed measuring roller stressed support. Because of the diameter restriction of receiving the speed roller, can only select 6203 or 1203 bearing, and the bearing internal diameter is less, the back shaft is thinner and the strong point is installed on the main shaft of drive roll, the support position adopts screw thread regulation, it is fixed, in the use of equipment, because the speed roller is under the effect of heavy pressure impact and vibration, often cause bearing back shaft adjusting bolt to become flexible, the phenomenon that the speed roller deviates from the bearing takes place, when the drive roll rotates, the drive roll produces the friction with the bearing back shaft of speed roller, take place the high decibel noise, seriously influence the driver and judge the noise sound source, influence the normal detection use of equipment, there is serious product car quality risk.
Therefore, how to provide a structural design of a speed measuring roller device which is stable in structure, convenient to detach and install and high in practicability is a problem to be solved urgently in the industry.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that current speed sensor measured the noise, the utility model aims to provide a car roller device tests the speed, the drive roll does not produce the friction with the roller support that tests the speed when making its roller device tests the speed to avoid producing the high decibel noise.
In order to achieve the purpose, the utility model adopts the technical proposal that:
an automobile tachometer roller device, comprising:
the base comprises a main body frame, a first support frame and a second support frame, wherein the first support frame and the second support frame are fixedly arranged on two sides of the main body frame;
the support comprises a first arc plate fixedly connected with a first support frame, a second arc plate fixedly connected with a second support frame and a square support tube, the first arc plate and the second arc plate are opposite and arranged at intervals, and the square support tube is arranged between the first arc plate and the second arc plate;
the speed measuring roller is rotatably arranged between the first arc plate and the second arc plate.
In one embodiment, the side surfaces of the first arc plate and the second arc plate which face each other are respectively provided with a mounting hole, two ends of the speed measuring roller are respectively provided with a cylinder which is matched with the mounting holes, the middle of the cylinder is provided with a threaded hole, the cylinder is mounted in the mounting hole, and the cylinder is in threaded connection with the threaded hole through a screw rod so as to limit the cylinder.
In one embodiment, an air cylinder is arranged on the main body frame, a connecting lug is arranged on the supporting square tube, and a piston rod of the air cylinder is connected with the connecting lug through a fastener.
In one embodiment, the support further comprises a limiting assembly, the limiting assembly comprises a limiting square pipe and a limiting supporting plate which are staggered and arranged in opposite directions, and a connecting piece connected between the limiting square pipe and the limiting supporting plate, the limiting supporting plate is fixedly arranged on the main body frame, and one end, far away from the limiting supporting plate, of the limiting square pipe is connected to the supporting square pipe.
In one embodiment, the first support frame and the second support frame are fixedly connected with the main body frame through fasteners.
In one embodiment, the first arc plate and the second arc plate are arc-shaped and are adapted to the shape of the end of the driving roll.
In one embodiment, the support square tubes are rectangular in cross-section to provide a mounting plane.
Since the technical scheme is used, the utility model discloses the beneficial effect who obtains includes: make the strong point of the roller that tests the speed through setting up first arc board and second arc board and break away from the drive roll to do not produce the friction with the roller support that tests the speed when making the drive roll rotate, thereby avoid the noise to take place, simultaneously, support square pipe through setting up the cylinder, make supporting structure steady, firm, in addition, the cylinder is adjusted in order to provide dynamic holding power to the piston rod of the big or small accessible cylinder of support square pipe effort.
Drawings
Fig. 1 is the structure schematic diagram of the roller device for measuring the speed of an automobile of the present invention.
Fig. 2 is an exploded view of the structure shown in fig. 1.
110-main body frame, 120-first support frame, 130-second support frame, 131-bottom plate, 132-support plate, 133-ribbed plate; 210-a first arc plate, 220-a second arc plate, 230-a supporting square tube, 231-a connecting lug, 240-a driving roller, 250-a speed measuring roller and 260-a screw rod; 300-cylinder; 410-limiting square tubes, 420-limiting supporting plates.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-2, an automobile tachometer roller device includes: the speed measuring roller comprises a base, a bracket and a speed measuring roller 250, wherein the base comprises a main body frame 110, a first supporting frame 120 and a second supporting frame 130, and the first supporting frame 120 and the second supporting frame 130 are fixedly arranged on two sides of the main body frame 110; the bracket comprises a first arc plate 210 fixedly connected with the first support frame 120, a second arc plate 220 fixedly connected with the second support frame 130 and a support square tube 230, wherein the first arc plate 210 and the second arc plate 220 are arranged oppositely and at intervals, and the support square tube 230 is arranged between the first arc plate 210 and the second arc plate 220; the tachometer roller 250 is rotatably disposed between the first arc plate 210 and the second arc plate 220. In one embodiment, the first support frame 120 and the second support frame 130 are symmetrical to each other, two ends of the square support tube 230 are welded to the first arc plate 210 and the second arc plate 220, a first end of the first arc plate 210 is fixedly connected to the first support frame 120, a second end of the first arc plate 210 is hinged to one end of the speed measuring roller 250, a first end of the second arc plate 220 is fixedly connected to the second support frame 130, a second end of the second arc plate 220 is hinged to the other end of the speed measuring roller 250, and the first arc plate 210 and the second arc plate 220 are opposite and spaced.
In the above-mentioned roller device for measuring speed of an automobile, the base supports the speed measuring roller 250 through the support, the first arc plate 210 and the second arc plate 220 are arc-shaped and adapted to the shape of the end of the driving roller 240, so that the supporting point of the support of the speed measuring roller 250 is separated from the driving roller 240 (for simplicity, an auxiliary table for installing the driving roller is not shown in the figure), and thus the driving roller 240 does not rub against the support of the speed measuring roller 250 when rotating, thereby avoiding the occurrence of noise. It should be noted that the tachometer roller cannot be directly mounted on the auxiliary table due to the limitation of the existing structural space.
In one embodiment, the speed measuring roller 250 is rotatably connected to the first arc plate 210 and the second arc plate 220 through a screw 260, the side surfaces of the first arc plate 210 opposite to the second arc plate 220 are respectively provided with a mounting hole, two ends of the speed measuring roller 250 are respectively provided with a cylinder matched with the mounting hole, a threaded hole is arranged in the middle of the cylinder, the cylinder is mounted in the mounting hole, and is in threaded connection with the threaded hole through the screw 260 to limit the cylinder, that is, the screw 260 penetrates through the mounting hole and is in threaded connection with the threaded hole to enable the speed measuring roller 250 to be rotatable.
In one embodiment, the main body frame 110 is provided with an air cylinder 300, the support square pipe 230 is provided with a connection lug 231, and a piston rod of the air cylinder 300 is fixedly connected with the connection lug 231. In one embodiment, the connecting lug 231 is provided with a through hole, a transition piece with a connecting hole is installed at the front end of the piston rod of the cylinder 300, the cylinder 300 is fixed at the position of the main body frame corresponding to the position of the connecting lug 231 on the supporting square tube 230, the length of the piston rod of the cylinder 300 is adjusted to enable the transition piece to be close to the connecting lug 231 until the through hole is coaxial with the connecting hole, a bolt is arranged in the through hole and the connecting hole in a penetrating manner and is connected with a nut, and the piston rod of the cylinder 300 is fixedly connected with the connecting lug 231. Support square pipe 230 through setting up cylinder 300, make the bearing structure steady, firm to cylinder 300 adjusts in order to provide dynamic holding power to the piston rod of the size accessible cylinder 300 of the square pipe 230 effort of support, if bearing structure is unstable, can finely tune the piston rod in order to increase the holding power.
In order to further make the support structure stable and firm, in one embodiment, the roller structure further comprises a limiting component, the limiting component comprises a limiting square tube 410, a limiting support plate 420 and a connecting piece connected between the limiting square tube 410 and the limiting support plate 420, the limiting square tube 410 and the limiting support plate 420 are staggered and arranged in opposite directions, the limiting support plate 420 is fixedly arranged on the main body frame 110, and one end of the limiting square tube 410, which is far away from the limiting support plate 420, is connected to the support square tube 230. The cross section of the support square pipe is rectangular so as to provide a mounting plane. .
To facilitate disassembly and assembly, in one embodiment, the first support bracket 120 and the second support bracket 130 are connected to the main body frame 110 by fasteners. The first support frame 120 and the second support frame 130 each include a bottom plate 131, a rib 133, and a support plate 132, the bottom plate 131 is connected to the main frame 110 through a fastener, the support plate 132 is fixedly disposed on the bottom plate, the rib 133 is respectively connected to the support plate 132 and the bottom plate 131, the rib 133 is perpendicular to the support plate 132, the strength of the support frame is enhanced by the rib 133, and optionally, the rib 132 is triangular or rectangular.
In one embodiment, the first arc plate 210 and the second arc plate 220 are arc-shaped.
The foregoing description and description of the embodiments are provided to facilitate understanding and application of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications can be made to the disclosure and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above description and the description of the embodiments, and those skilled in the art should understand that all the improvements and modifications made without departing from the scope of the present invention should fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a car speed roller device which characterized in that includes:
the base comprises a main body frame, a first support frame and a second support frame, wherein the first support frame and the second support frame are fixedly arranged on two sides of the main body frame;
the support comprises a first arc plate fixedly connected with the first support frame, a second arc plate fixedly connected with the second support frame and a support square pipe, wherein the first arc plate and the second arc plate are opposite and arranged at intervals, and the support square pipe is arranged between the first arc plate and the second arc plate;
the speed measuring roller is rotatably arranged between the first arc plate and the second arc plate.
2. The device as claimed in claim 1, wherein the first arc plate and the second arc plate have mounting holes on opposite sides thereof, the tachometer roller has cylinders at opposite ends thereof, the cylinders are provided with screw holes in the middle thereof, the cylinders are mounted in the mounting holes, and the screw rods are in threaded connection with the screw holes to limit the cylinders.
3. The roller device for measuring the speed of automobiles according to claim 1, wherein the main frame is provided with an air cylinder, the square supporting tube is provided with a connecting lug, and a piston rod of the air cylinder is connected with the connecting lug through a fastener.
4. The roller device for measuring the speed of automobiles according to claim 1, wherein said bracket further comprises a limiting component, said limiting component comprises a limiting square tube and a limiting supporting plate which are staggered and arranged oppositely, and a connecting piece connected between the limiting square tube and the limiting supporting plate, said limiting supporting plate is fixedly arranged on said main body frame, one end of said limiting square tube far away from said limiting supporting plate is connected to said supporting square tube.
5. The roller device for measuring the speed of automobiles according to claim 1, wherein the first support frame and the second support frame are fixedly connected with the main frame through fasteners.
6. The roller device for measuring the speed of automobiles according to claim 1, wherein the first arc plate and the second arc plate are arc-shaped and adapted to the shape of the end of the driving roller.
7. The apparatus of claim 1, wherein the cross-section of the support square tube is rectangular to provide a mounting plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221749168.9U CN217820427U (en) | 2022-07-06 | 2022-07-06 | Roller device for measuring speed of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221749168.9U CN217820427U (en) | 2022-07-06 | 2022-07-06 | Roller device for measuring speed of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217820427U true CN217820427U (en) | 2022-11-15 |
Family
ID=83963525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221749168.9U Active CN217820427U (en) | 2022-07-06 | 2022-07-06 | Roller device for measuring speed of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217820427U (en) |
-
2022
- 2022-07-06 CN CN202221749168.9U patent/CN217820427U/en active Active
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