CN201724631U - Outer spin trajectory measuring device - Google Patents
Outer spin trajectory measuring device Download PDFInfo
- Publication number
- CN201724631U CN201724631U CN2010202098209U CN201020209820U CN201724631U CN 201724631 U CN201724631 U CN 201724631U CN 2010202098209 U CN2010202098209 U CN 2010202098209U CN 201020209820 U CN201020209820 U CN 201020209820U CN 201724631 U CN201724631 U CN 201724631U
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- gauge head
- trajectory
- fixed
- fixed block
- measuring
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Abstract
The utility model relates to an outer spin trajectory measuring device, belonging to the technical field of measurement of the size of an outer trajectory of a steering screw steel ball of a steering gear and comprising a guide sleeve, a fixed measuring head, a guide rod, a spring, a sliding block, a fixed block and the like, wherein the guide sleeve is provided with a numerical display dial gauge and is internally provided with the fixed block and the guide rod; the sliding block is arranged on the guide rod, and a spring is arranged below the sliding block; the fixed block is provided with a telescopic rod; the two sides of the sliding block are provided with a movable measuring head and a movable handle; the fixed block is provided with the fixed measuring head; and the guide sleeve is provided with a fixed handle. A measuring marble on the measuring head of the outer spin trajectory measuring device is completely contacted with outer spin of a workpiece, and drives the sliding block to move on the guide rod when moving on the outer trajectory of the screw radially; and the moving data of the sliding block on the guide rod is transmitted to the numerical display dial gauge by a telescopic rod, so as to obtain the accuracy data of the outer trajectory of the steering screw. The outer spin trajectory measuring device solves the problems that the existing measuring method has low working efficiency and poor measuring accuracy, and is applicable to be used for measuring the outer spin trajectory of the steering screw.
Description
Technical field:
The utility model relates to a kind of external spiral trajectory measurement device, belongs to steering gear steering screw steel ball outer trajectory size measurement technique field.
Background technology:
The precision height of the steering screw steel ball external spiral trajectory size in the ball-and-nut steering gear, directly influence the performance and the life-span of steering assembly, therefore high to the requirement on machining accuracy of steering screw steel ball external spiral trajectory, particularly the pitch of screw rod is even more important with respect to the position degree at screw thread trajectory center.To the measurement of steering screw steel ball external spiral trajectory size, generally all be to adopt by three steel ball positioning screw trajectory sizes at present, clock gauge is measured the method for trajectory size.This kind method is inefficiency not only, and measuring accuracy is poor, and bad measurement repeatability can not satisfy the directly production model of equipped steel ball of nut-screw.
Summary of the invention:
The purpose of this utility model is: provide a kind of and move radially on the screw rod outer trajectory by the measurement hoodle on the gauge head, driving slide block moves on guide pole, the exercise data of slide block on guide pole reached digital display dial gauge by expansion link, and draw the accuracy data of steering screw outer trajectory.Pass through not only inefficiency of three steel ball location survey screw rod trajectory sizes to solve to have now, and the external spiral trajectory measurement device of the problem of measuring accuracy difference.
The utility model is to realize above-mentioned purpose by the following technical solutions:
A kind of external spiral trajectory measurement device, it is by orienting sleeve, fixedly gauge head, movable gauge head, guide pole, linear bearing, spring, slide block, fixed block, digital display dial gauge, fixed handle and flexible handle constitute, it is characterized in that: digital display dial gauge is equipped with in the orienting sleeve upper end, the orienting sleeve inner and upper is provided with fixed block, fixed block is provided with guide pole, slide block is sleeved on by linear bearing on the guide pole of fixed block below, and the guide pole of slide block below is provided with spring; Expansion link is equipped with in the fixed block middle part, and expansion link is connected with slide block with digital display dial gauge respectively; The slide block both sides are equipped with movable gauge head and flexible handle respectively, and fixed block one side is equipped with and the corresponding fixedly gauge head of movable gauge head, and orienting sleeve one side of flexible handle below is equipped with fixed handle, is respectively arranged with the measurement hoodle on described fixedly gauge head and the movable gauge head.
Measurement hoodle shape setting in the shape of a spiral on the described fixedly gauge head, its quantity is 4, the measurement hoodle quantity on the movable gauge head is 1.
The utility model beneficial effect compared with prior art is:
The slide block of this external spiral trajectory measurement device is installed on the guide pole by linear bearing, measurement hoodle on the gauge head contacts fully with steering screw external spiral trajectory, when the measurement hoodle moves radially on the screw rod outer trajectory, driving slide block moves on guide pole, again the exercise data of slide block on guide pole reached digital display dial gauge by expansion link, and draw the accuracy data of steering screw outer trajectory.Avoided existing and passed through not only inefficiency of three steel ball location survey screw rod trajectory sizes, and the problem of measuring accuracy difference.This external spiral trajectory measurement device has low cost of manufacture, high efficiency, and characteristics easy to use are specially adapted to the measurement of the steering screw external spiral trajectory in the ball-and-nut steering gear.
Description of drawings:
Accompanying drawing is the structural representation of external spiral trajectory measurement device.
Among the figure: 1, orienting sleeve, 2, guide pole, 3, linear bearing, 4, slide block, 5, fixing gauge head, 6, fixed block, 7, movable gauge head, 8, fixed handle, 9, spring, 10, digital display dial gauge, 11, flexible handle, 12, measure hoodle, 13, expansion link.
Embodiment:
This external spiral trajectory measurement device by orienting sleeve 1, guide pole 2, linear bearing 3, slide block 4, fixedly gauge head 5, fixed block 6, movable gauge head 7, fixed handle 8, spring 9, digital display dial gauge 10, flexible handle 11, measure hoodle 12 and expansion link 13 constitutes.Digital display dial gauge 10 is equipped with in the upper end of orienting sleeve 1, and orienting sleeve 1 inner and upper is provided with fixed block 6, and fixed block 6 is provided with guide pole 2, and slide block 4 is sleeved on the guide pole 2 of fixed block 6 belows by linear bearing 3.The guide pole 2 of slide block 4 belows is provided with spring 9, and spring 9 is used for resetting of slide block 4.Fixed block 6 middle parts are equipped with expansion link 13, and the two ends of expansion link 13 are connected with slide block 4 with digital display dial gauge 10 respectively.
The both sides of slide block 4 are equipped with movable gauge head 7 and flexible handle 11 respectively, one side of fixed block 6 is equipped with and movable gauge head 7 corresponding fixedly gauge heads 5, one side of the orienting sleeve 1 of flexible handle 11 belows is equipped with fixed handle 8, fixedly be respectively arranged with on gauge head 5 and the movable gauge head 7 and measure hoodle 12, fixedly gauge head 5 and movable gauge head 7 are respectively semicircular ring texture.Fixedly the inside surface of gauge head 5 and movable gauge head 7 is respectively arranged with and measures hoodle 12, the fixedly measurement hoodle 12 shape setting in the shape of a spiral on the gauge head 5, and its quantity is 4, the quantity of the measurement hoodle 12 on the movable gauge head 7 is 1 (referring to accompanying drawing).
The utility model under off working state fixedly gauge head 5 and movable gauge head 7 be in closure state, promptly become an annulus.During work, hold the fixed handle 8 and the flexible handle 11 of measurement mechanism and push flexible handle 11 downwards, under the effect of pressing force, flexible handle 11 drives slide blocks 4 and movable gauge head 7 and moves downward and make fixedly that gauge head 5 separates with movable gauge head 7, simultaneously measured workpiece (steering screw) is positioned over fixedly between the gauge head 5 and movable gauge head 7, and fixing measurement hoodle 12 alignment pieces (steering screw) the external spiral trajectory on gauge head 5 and the movable gauge head 7.Unclamp flexible handle 11 then, under the effect of spring 9, slide block 4 moves upward along guide pole 2, and drive activity gauge head 7 makes measurement hoodle 12 contact fully with the spiral trajectory of workpiece (steering screw) thus.External spiral trajectory along workpiece (steering screw) rotates this measurement mechanism again, measure the mobile data of hoodle 12 on the workpiece external spiral and reach slide block 4 by flexible handle 11, and drive slide block 4 along guide pole 2 upper and lower mobile generation displacements, the mobile data of slide block 4 is uploaded to digital display dial gauge 10 by expansion link 13, thereby draws the measurement data of workpiece (steering screw) external spiral trajectory.
Data presentation of the present utility model also can adopt the data sensor measuring appliance, and computing function can be uploaded, preserves and be had to its data when adopting the data transducer measurement to carry out data presentation.This external spiral trajectory measurement device low cost of manufacture, high efficiency, easy to use, be specially adapted to the measurement of the steering screw external spiral trajectory in the ball-and-nut steering gear.
Claims (2)
1. external spiral trajectory measurement device, it is by orienting sleeve (1), fixing gauge head (5), movable gauge head (7), guide pole (2), linear bearing (3), spring (9), slide block (4), fixed block (6), digital display dial gauge (10), fixed handle (8) and flexible handle (11) constitute, it is characterized in that: digital display dial gauge (10) is equipped with in orienting sleeve (1) upper end, orienting sleeve (1) inner and upper is provided with fixed block (6), fixed block (6) is provided with guide pole (2), slide block (4) is sleeved on by linear bearing (3) on the guide pole (2) of fixed block (6) below, and the guide pole (2) of slide block (4) below is provided with spring (9); Expansion link (13) is equipped with in fixed block (6) middle part, and expansion link (13) is connected with slide block (4) with digital display dial gauge (10) respectively; Slide block (4) both sides are equipped with movable gauge head (7) and flexible handle (11) respectively, fixed block (6) one sides are equipped with and the corresponding fixedly gauge head of movable gauge head (7) (5), one side of the orienting sleeve (1) of flexible handle (11) below is equipped with fixed handle (8), is respectively arranged with on described fixedly gauge head (5) and the movable gauge head (7) to measure hoodle (12).
2. external spiral trajectory measurement device according to claim 1 is characterized in that: measurement hoodle (12) the shape setting in the shape of a spiral on the described fixedly gauge head (5), and its quantity is 4, the quantity of the measurement hoodle (12) on the movable gauge head (7) is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202098209U CN201724631U (en) | 2010-05-20 | 2010-05-20 | Outer spin trajectory measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202098209U CN201724631U (en) | 2010-05-20 | 2010-05-20 | Outer spin trajectory measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201724631U true CN201724631U (en) | 2011-01-26 |
Family
ID=43492968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202098209U Expired - Fee Related CN201724631U (en) | 2010-05-20 | 2010-05-20 | Outer spin trajectory measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201724631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288085A (en) * | 2011-07-22 | 2011-12-21 | 山东大学 | Mechanical simple flexible multi-point displacement monitoring system for model test |
| CN112082445A (en) * | 2020-09-16 | 2020-12-15 | 湖北恒隆汽车系统集团有限公司 | Detection method and detection device for attenuation change of spiral trajectory of steering screw |
-
2010
- 2010-05-20 CN CN2010202098209U patent/CN201724631U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288085A (en) * | 2011-07-22 | 2011-12-21 | 山东大学 | Mechanical simple flexible multi-point displacement monitoring system for model test |
| CN112082445A (en) * | 2020-09-16 | 2020-12-15 | 湖北恒隆汽车系统集团有限公司 | Detection method and detection device for attenuation change of spiral trajectory of steering screw |
| CN112082445B (en) * | 2020-09-16 | 2021-11-12 | 湖北恒隆汽车系统集团有限公司 | Detection method and detection device for attenuation change of spiral trajectory of steering screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20170520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |