CN219284225U - Gap measuring device of recirculating ball electric steering device - Google Patents
Gap measuring device of recirculating ball electric steering device Download PDFInfo
- Publication number
- CN219284225U CN219284225U CN202223495816.5U CN202223495816U CN219284225U CN 219284225 U CN219284225 U CN 219284225U CN 202223495816 U CN202223495816 U CN 202223495816U CN 219284225 U CN219284225 U CN 219284225U
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- screw rod
- screw
- angle
- recirculating ball
- measuring device
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- 230000003134 recirculating effect Effects 0.000 title claims abstract description 36
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Length Measuring Devices By Optical Means (AREA)
- Power Steering Mechanism (AREA)
Abstract
The utility model discloses a gap measuring device of a recirculating ball electric steering device, which comprises: ball screw device, clearance measuring device and corner measuring device, wherein, ball screw device includes: the device comprises a screw rod and a screw cap moving along the length direction of the screw rod, wherein one end of the screw rod is connected with the input end of the circulating electric steering device, and the other end of the screw rod is connected with an input servo motor; the gap measuring device includes: the laser pen and the graduated scale are fixedly arranged on the nut; the rotation angle measuring device includes: the circle center of the rotation angle measuring disc is fixedly connected with the screw rod. According to the utility model, the clearance in the length direction is measured through the laser pen and the graduated scale, the rotation in the circumferential direction is detected through the rotation angle measuring disc and the angle indicator, and meanwhile, the measurement is convenient and accurate.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a clearance measuring device of a recirculating ball electric steering device.
Background
The recirculating ball steering gear mainly comprises a screw, a nut, a steering gear shell, a plurality of small steel balls and the like, wherein the recirculating ball is the small steel balls which are placed in a closed pipeline between the nut and the screw and play a role in converting sliding friction between the nut and the screw into rolling friction with smaller resistance, and when the screw fixed with a steering column of a steering wheel rotates, the screw pushes the nut to move up and down, and the nut drives a steering rocker to swing back and forth through a gear so as to realize steering. During this process, the steel balls roll back and forth in a closed pipeline, so the steering gear is called a recirculating ball steering gear.
Compared with a rack-and-pinion steering gear, the recirculating ball steering gear has higher transmission efficiency due to more depending on rolling friction, is lighter and more comfortable to operate, has less wear of mechanical parts and has longer service life.
Currently, manual measurement is generally adopted for measuring the internal clearance of the recirculating ball electric steering device, which leads to excessive errors.
The existing gap measuring device is rarely applied to a recirculating ball electric steering device, can only detect the length or the rotation angle, and is rarely capable of measuring two types of data simultaneously. For example, chinese utility model patent, publication No.: CN107036511B discloses a device for measuring the distance between two objects, i.e. only the distance in the length direction can be detected, if the rotation angle is to be detected, another device is to be replaced for detection.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a gap measuring device for a recirculating ball electric power steering apparatus.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a recirculating ball electric power steering apparatus gap measuring apparatus, comprising:
a ball screw device, the ball screw device comprising: the device comprises a screw rod and a screw cap moving along the length direction of the screw rod, wherein one end of the screw rod is connected with the input end of the circulating electric steering device, and the other end of the screw rod is connected with an input servo motor;
a gap measurement device, the gap measurement device comprising: the laser pen is fixedly arranged on the nut, the graduated scale is arranged along the length direction of the screw rod, length scales are arranged on the graduated scale, and the laser pen is arranged right above the length scales;
a rotation angle measurement device, the rotation angle measurement device comprising: the angle indicator surrounds the angle measuring disc, an angle scale is arranged on the angle indicator, the angle measuring disc is in a disc package, the circle center of the angle measuring disc is fixedly connected with the screw rod, an indication groove is formed in the angle measuring disc, one end of the indication groove points to the circle center of the angle measuring disc, and the other end of the angle measuring disc points to the angle scale.
The above-mentioned recirculating ball electric power steering device clearance measuring device, wherein still includes: the bottom plate, the bottom plate is fixed to be set up, the scale with the angle indicator is all installed on the bottom plate.
The above-mentioned recirculating ball electric power steering device clearance measuring device, wherein still includes: the support plate is installed on the bottom plate, the support plate supports the screw rod, the bearing mounting hole has been seted up in the support plate, install the bearing in the bearing mounting hole, the screw rod is installed in the bearing.
The above-mentioned recirculating ball electric power steering device clearance measuring device, wherein still includes: and the moving plate is arranged on the nut, and the laser pen is arranged on the moving plate.
The above-mentioned recirculating ball electric power steering device clearance measuring device, wherein still includes: the supporting rod is also arranged along the length direction of the screw rod, the supporting rod is fixedly connected with the supporting plate, a through hole is formed in the moving plate, and the supporting rod penetrates through the through hole.
The gap measuring device of the recirculating ball electric steering device comprises two supporting plates, wherein the two supporting plates are respectively arranged at two ends of the screw rod, the number of the supporting rods is two, and the two supporting rods are respectively arranged at two sides of the screw rod.
The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:
(1) According to the utility model, the clearance in the length direction is measured through the laser pen and the graduated scale, the rotation in the circumferential direction is detected through the rotation angle measuring disc and the angle indicator, and meanwhile, the measurement is convenient and accurate.
Drawings
Fig. 1 is an axial schematic view of a recirculating ball electric power steering apparatus gap measuring apparatus of the present utility model.
Fig. 2 is a schematic left view of a gap measuring device of the recirculating ball electric power steering apparatus of the present utility model.
Fig. 3 is a schematic front view of the clearance measuring device of the recirculating ball electric power steering apparatus of the present utility model.
In the accompanying drawings: 1. a ball screw device; 11. a screw; 12. a screw cap; 2. a moving plate; 21. a through hole; 3. a gap measuring device; 31. a laser pen; 32. a graduated scale; 4. a bottom plate; 5. a rotation angle measuring device; 51. a rotation angle measuring disc; 52. an angle indicator; 511. an indication groove; 6. a support plate; 61. a bearing; 7. and (5) supporting the rod.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting. FIG. 1 is an isometric view of a recirculating ball electric power steering device gap measurement device of the present utility model; FIG. 2 is a schematic left-hand view of a recirculating ball electric power steering apparatus gap measuring device of the present utility model; fig. 3 is a front view schematically showing a gap measuring apparatus of a recirculating ball electric power steering apparatus of the present utility model, referring to fig. 1 to 3, showing a gap measuring apparatus of a recirculating ball electric power steering apparatus of a preferred embodiment, comprising: the ball screw device 1, the clearance measuring device 3, and the rotation angle measuring device 5, wherein the ball screw device 1 includes: the device comprises a screw 11 and a nut 12 moving along the length direction of the screw 11, wherein one end of the screw 11 is connected with the input end of the circulating electric steering device, and the other end of the screw 11 is connected with an input servo motor; the gap measuring device 3 includes: the laser pen 31 and the graduated scale 32, the laser pen 31 is fixedly installed on the nut 12, the graduated scale 32 is arranged along the length direction of the screw 11, the graduated scale 32 is provided with length graduations, and the laser pen 31 is arranged right above the length graduations; the rotation angle measuring device 5 includes: the angle measuring disc 51 and the angle indicator 52, the angle indicator 52 surrounds the angle measuring disc 51, the angle indicator 52 is provided with angle scales, the angle measuring disc 51 is in disc package, the circle center of the angle measuring disc 51 is fixedly connected with the screw 11, an indication groove 511 is formed in the angle measuring disc 51, one end of the indication groove 511 points to the circle center of the angle measuring disc 51, and the other end of the angle measuring disc 51 points to the angle scales.
In a preferred embodiment, the recirculating ball electric power steering device clearance measuring device 3 further includes: the base plate 4, the base plate 4 is fixedly arranged, and the graduated scale 32 and the angle indicator 52 are both arranged on the base plate 4.
In a preferred embodiment, the recirculating ball electric power steering device clearance measuring device 3 further includes: the backup pad 6, backup pad 6 are installed on bottom plate 4, and backup pad 6 supports screw rod 11, has seted up bearing 61 mounting hole on the backup pad 6, installs bearing 61 in the bearing 61 mounting hole, and screw rod 11 installs in bearing 61.
In a preferred embodiment, the recirculating ball electric power steering device clearance measuring device 3 further includes: a moving plate 2, the moving plate 2 is mounted on the nut 12, and a laser pen 31 is mounted on the moving plate 2.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the present utility model, the recirculating ball electric power steering apparatus gap measuring apparatus 3 further includes: the supporting rod 7, the supporting rod 7 also sets up along the direction of screw rod 11 length, and supporting rod 7 and backup pad 6 fixed connection have seted up through-hole 21 on the movable plate 2, and supporting rod 7 runs through-hole 21.
In a further embodiment of the present utility model, the number of the support plates 6 is two, the two support plates 6 are respectively arranged at two ends of the screw 11, the number of the support rods 7 is two, and the two support rods 7 are respectively arranged at two sides of the screw 11.
In a preferred embodiment, the input of the recirculating electric steering device is connected to the servomotor via a screw 11, and the servomotor input torque is transmitted to the recirculating electric steering device via the screw 11.
In a preferred embodiment, the laser pen 31 is arranged vertically and the scale 32 is arranged horizontally, the laser light emitted by the laser pen 31 being perpendicular to the length scale of the scale 32.
In a preferred embodiment, the device is used as follows:
step S1: the scale L of the graduated scale 32 pointed by the laser of the laser pen 31 is recorded, and the angle A of the angle indicator 52 pointed by the indication groove 511 is recorded;
step S2: the output torque of the servo motor rotating clockwise is transmitted to the input shaft of the circulating electric steering device through the screw 11, the torque is from 0 N.m to 1.5 N.m, and when the torque is 1.5 N.m, the scale L1 of the scale 32 pointed by the laser and the angle A1 of the angle indicator 52 pointed by the groove are reached;
step S3: the counterclockwise rotation torque of the servo motor is from 1.5 N.m to 0 N.m, and at the moment, the servo motor returns to the initial position;
step S4: the output torque of the servo motor rotating counterclockwise is transmitted to the input shaft of the circulating electric steering apparatus through the screw 11, the torque is from 0n·m to 1.5n·m, and the torque is 1.5n·m, the scale L2 of the scale 32 to which the laser is directed and the angle A2 of the groove-directed angle indicator 52.
Finally, the clearance on the straight line of the circulating electric steering device is L1-L++ |L2-L|, and the clearance on the corner of the circulating electric steering device is A1-A++ |A2-A|.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (6)
1. A recirculating ball electric power steering apparatus gap measuring apparatus, comprising:
a ball screw device, the ball screw device comprising: the device comprises a screw rod and a screw cap moving along the length direction of the screw rod, wherein one end of the screw rod is connected with the input end of the circulating electric steering device, and the other end of the screw rod is connected with an input servo motor;
a gap measurement device, the gap measurement device comprising: the laser pen is fixedly arranged on the nut, the graduated scale is arranged along the length direction of the screw rod, length scales are arranged on the graduated scale, and the laser pen is arranged right above the length scales;
a rotation angle measurement device, the rotation angle measurement device comprising: the angle indicator surrounds the angle measuring disc, an angle scale is arranged on the angle indicator, the angle measuring disc is in a disc package, the circle center of the angle measuring disc is fixedly connected with the screw rod, an indication groove is formed in the angle measuring disc, one end of the indication groove points to the circle center of the angle measuring disc, and the other end of the angle measuring disc points to the angle scale.
2. The recirculating ball electric power steering device gap measuring device of claim 1, further comprising: the bottom plate, the bottom plate is fixed to be set up, the scale with the angle indicator is all installed on the bottom plate.
3. The recirculating ball electric power steering device gap measuring device according to claim 2, further comprising: the support plate is installed on the bottom plate, the support plate supports the screw rod, the bearing mounting hole has been seted up in the support plate, install the bearing in the bearing mounting hole, the screw rod is installed in the bearing.
4. The recirculating ball electric power steering device gap measuring device of claim 3, further comprising: and the moving plate is arranged on the nut, and the laser pen is arranged on the moving plate.
5. The recirculating ball electric power steering device gap measuring device of claim 4, further comprising: the supporting rod is also arranged along the length direction of the screw rod, the supporting rod is fixedly connected with the supporting plate, a through hole is formed in the moving plate, and the supporting rod penetrates through the through hole.
6. The gap measuring device for a recirculating ball electric power steering apparatus according to claim 5, wherein the number of the support plates is two, the two support plates are respectively provided at both ends of the screw, the number of the support rods is two, and the two support rods are respectively provided at both sides of the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223495816.5U CN219284225U (en) | 2022-12-27 | 2022-12-27 | Gap measuring device of recirculating ball electric steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223495816.5U CN219284225U (en) | 2022-12-27 | 2022-12-27 | Gap measuring device of recirculating ball electric steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219284225U true CN219284225U (en) | 2023-06-30 |
Family
ID=86931672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223495816.5U Active CN219284225U (en) | 2022-12-27 | 2022-12-27 | Gap measuring device of recirculating ball electric steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219284225U (en) |
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2022
- 2022-12-27 CN CN202223495816.5U patent/CN219284225U/en active Active
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| CP03 | Change of name, title or address |
Address after: No. 1 Junlian Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province, 311835 Patentee after: Zhejiang Wan'an Zhiqu Automotive Electronic Technology Co.,Ltd. Country or region after: China Address before: 311835 Wan'an Science and Technology Park, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG VIE PUMP-MANU Co.,Ltd. Country or region before: China |