CN103486945A - Automobile steering pump motor shaft roundness inspection device structure - Google Patents
Automobile steering pump motor shaft roundness inspection device structure Download PDFInfo
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- CN103486945A CN103486945A CN201310374828.9A CN201310374828A CN103486945A CN 103486945 A CN103486945 A CN 103486945A CN 201310374828 A CN201310374828 A CN 201310374828A CN 103486945 A CN103486945 A CN 103486945A
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- motor shaft
- steering pump
- wear
- antifriction alloy
- shaped grooves
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Abstract
The invention provides an automobile steering pump motor shaft roundness inspection device structure which comprises a base. Two supporting blocks arranged in parallel are arranged on the base and are provided with V-shaped grooves. A dial indicator is arranged above the supporting blocks. Wear-resisting alloy parts are arranged on surfaces of the V-shaped grooves of the supporting blocks. According to the inspection device structure, the wear-resisting alloy parts are arranged on the surfaces of the V-shaped grooves, so that the wear-resisting strength of the surfaces of the V-shaped grooves can be effectively improved, the service life of the supporting blocks is prolonged, and enterprise production cost is reduced; the surfaces of the wear-resisting alloy parts are designed to be in a circular-arc shape, so that a motor shaft is in linear contact with the surfaces of the wear-resisting alloy parts at inspection time, thus, the friction between the motor shaft and the surfaces of the V-shaped grooves can be reduced, and the motor shaft roundness measuring precision can be effectively improved.
Description
Technical field
The present invention relates to a kind of circularity cubing, particularly relate to a kind of cubing for steering pump of automobile motor shaft circularity is detected.
Background technology
Automobile steering system mainly comprises steering wheel, input shaft, torque arm and power steering hydraulic system.The power steering valve of power steering hydraulic system comprises valve pocket and spool two parts, on valve pocket and spool, is equipped with oilhole, and the oilhole of valve pocket and diverse location on spool is interconnected and can forms the different closed circuit of flow direction.Steering wheel is connected with torque arm by input shaft, and the other end of torque arm is connected with spool.When rotating steering wheel, moment of torsion is passed to torque arm by input shaft, torque arm drives Spool rotating, make spool and valve pocket generation relative motion, will change like this break-make relation of oil duct between valve pocket and spool and the flow direction of hydraulic oil, and then rotate towards different directions by hydraulic gear band motor car wheel.
The hydraulic oil of power steering hydraulic system is provided by motor turning electrical machinery hydraulic pump group, steer motor hydraulic pump group comprises motor, hydraulic pump and oil tank three parts, oil tank and motor link into an integrated entity by web member, hydraulic pump is placed in oil tank, the motor shaft of motor directly is connected with hydraulic pump through the web member mesopore, and motor and hydraulic pump share a motor shaft.Because this motor shaft is that motor and hydraulic pump share, therefore the circularity of motor shaft is had relatively high expectations, in the production run of motor shaft, need the circularity of every motor shaft is detected.The detection method of existing motor shaft circularity is that motor shaft is supported on vee-block, spin motor shaft on vee-block, and by the circularity of centimeter check motor shaft.Due in process of production, need to all be detected every motor shaft, so special piece of vee-block surface abrasion on the motor shaft cubing, with regard to needing, often the vee-block of cubing is changed like this, make the production cost of enterprise increase, the vee-block surface abrasion still affects the measuring accuracy of motor shaft circularity simultaneously.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide the cubing of a kind of highly versatile, applicable multiple motor shaft roundness measurement.
A kind of steering pump of automobile motor shaft circularity cubing structure, comprise a base, described base is provided with two back-up blocks that be arranged in parallel, and described back-up block is provided with the V-type groove, the top of described back-up block is provided with a clock gauge, and the V-type rooved face of described back-up block is provided with antifriction alloy section.
Preferably, the surface of described antifriction alloy section is circular-arc.
Preferably, described antifriction alloy section is the antifriction alloy steel column be embedded on two sides of described V-type groove.
Preferably, the angle of two of described V-type groove sides is 90 °.
Preferably, the two ends of described base are provided with baffle plate.
As mentioned above, steering pump of automobile motor shaft circularity cubing structure of the present invention has following beneficial effect: this cubing structure arranges antifriction alloy section on the surface of V-type groove, by being set, antifriction alloy section can effectively improve the scuff resistance of V-type rooved face, extend the serviceable life of back-up block, reduce enterprise's production cost; The surface of antifriction alloy section is arranged to circular-arc, when being detected, motor shaft and antifriction alloy section surface contacts for linear, so not only can reduce the friction of motor shaft and V-type rooved face, and can also effectively improve the measuring accuracy of motor shaft circularity.
The accompanying drawing explanation
The structural representation of Fig. 1 embodiment of the present invention.
The structural representation that Fig. 2 is embodiment of the present invention back-up block.
The element numbers explanation
11 bases
12 back-up blocks
13 clock gauges
14 baffle plates
15 slide rails
16 motor shafts
17 antifriction alloy sections
Embodiment
Below by particular specific embodiment explanation embodiments of the present invention, person skilled in the art scholar can understand other advantages of the present invention and effect easily by the disclosed content of this instructions.
Refer to Fig. 1,2.Notice, appended graphic the illustrated structure of this instructions, ratio, size etc., equal contents in order to coordinate instructions to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, not affecting under the effect that the present invention can produce and the purpose that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this instructions, quote as " on ", D score, " left side ", " right side ", " centre " reach the term of " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when also being considered as the enforceable category of the present invention.
As shown in Figure 1, the invention provides a kind of steering pump of automobile motor shaft circularity cubing, this cubing comprises a base 11, and base 11 is provided with two back-up blocks that be arranged in parallel 12, and the top of back-up block 12 is provided with a clock gauge 13.Base 11 is provided with slide rail 15, and back-up block 12 is positioned on slide rail 15, and back-up block 12 is slidably connected with base 11, and the distance between such two back-up blocks 12 just can be regulated according to the length of motor shaft.Be equipped with the V-type groove on two back-up blocks 12, the angle of two sides of V-type groove is 90 °.When being detected, motor shaft can be placed in the V-type groove and be supported, and can prevent that like this motor shaft from rolling arbitrarily on back-up block.
Respectively be provided with a baffle plate 14 at the two ends of base, baffle plate 14 can be used as positioning baffle, when being detected, an end of motor shaft can be resisted against on one of them baffle plate, and the position that each motor shaft detects like this will be basic identical, thereby can further improve accuracy of detection.
As shown in Figure 2, in order to prevent making the V-type rooved face wearing and tearing occur for a long time, the V-type rooved face of back-up block 12 is provided with antifriction alloy section 17.Wear-resisting alloy steel is the property steel of a class for wear working condition, and its principal character is to have higher intensity, hardness toughness and wearing quality under abrasive conditions.Can effectively improve the scuff resistance of V-type rooved face by antifriction alloy section is set, extend the serviceable life of back-up block, reduce enterprise's production cost.
As a kind of optimal way, can should be arranged to circular-arc by the surface of antifriction alloy section 17, like this when motor shaft 16 is supported on back-up block 12, motor shaft contacts for linear with antifriction alloy section 17 is surperficial, so not only can reduce the friction of motor shaft and V-type rooved face, and can also effectively improve the measuring accuracy of motor shaft circularity.
Due to the long-time situation that wearing and tearing still likely occur of using of antifriction alloy section 17, generally can on two sides of V-type groove, draw-in groove be set respectively, antifriction alloy section 17 can be set to be embedded in to the antifriction alloy steel column on two sides of V-type groove, like this when wearing and tearing appear in the wear-resisting alloy steel damaged surface, only the antifriction alloy steel column need be got final product from taking out to change in draw-in groove, very easy to use.
This cubing structure arranges antifriction alloy section on the surface of V-type groove, can effectively improve the scuff resistance of V-type rooved face by antifriction alloy section is set, and extends the serviceable life of back-up block, reduces enterprise's production cost; The surface of antifriction alloy section is arranged to circular-arc, when being detected, motor shaft and antifriction alloy section surface contacts for linear, so not only can reduce the friction of motor shaft and V-type rooved face, and can also effectively improve the measuring accuracy of motor shaft circularity.So the present invention has effectively overcome various shortcoming of the prior art and the tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, be modified or be changed above-described embodiment.Therefore, such as in affiliated technical field, have and usually know that the knowledgeable, not breaking away from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (5)
1. a steering pump of automobile motor shaft circularity cubing structure, comprise a base, described base is provided with two back-up blocks that be arranged in parallel, described back-up block is provided with the V-type groove, the top of described back-up block is provided with a clock gauge, it is characterized in that: the V-type rooved face of described back-up block is provided with antifriction alloy section.
2. steering pump of automobile motor shaft circularity cubing structure according to claim 1 is characterized in that: the surface of described antifriction alloy section is circular-arc.
3. steering pump of automobile motor shaft circularity cubing structure according to claim 2 is characterized in that: described antifriction alloy section is the antifriction alloy steel column be embedded on two sides of described V-type groove.
4. steering pump of automobile motor shaft circularity cubing structure according to claim 2, it is characterized in that: the angle of two sides of described V-type groove is 90 °.
5. steering pump of automobile motor shaft circularity cubing structure according to claim 2, it is characterized in that: the two ends of described base are provided with baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310374828.9A CN103486945A (en) | 2013-08-26 | 2013-08-26 | Automobile steering pump motor shaft roundness inspection device structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310374828.9A CN103486945A (en) | 2013-08-26 | 2013-08-26 | Automobile steering pump motor shaft roundness inspection device structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103486945A true CN103486945A (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310374828.9A Pending CN103486945A (en) | 2013-08-26 | 2013-08-26 | Automobile steering pump motor shaft roundness inspection device structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN103486945A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841583A (en) * | 2016-06-16 | 2016-08-10 | 沈阳飞机工业（集团）有限公司 | Auxiliary positioning device for calibrating circularity of three-pin set |
| CN107063025A (en) * | 2017-01-23 | 2017-08-18 | 盐城同环机电科技有限公司 | A kind of cubing for automotive seat connecting rod positioning welding |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676142Y (en) * | 2003-12-18 | 2005-02-02 | 东风汽车有限公司 | Mechanical automatic roundness measuring mechanism |
| CN201083485Y (en) * | 2007-10-19 | 2008-07-09 | 中国科学院上海技术物理研究所 | Ceramic lock pin interior diameter / concentricity measuring apparatus V -type trough |
| CN201093978Y (en) * | 2007-10-23 | 2008-07-30 | 郑州华威耐火材料股份有限公司 | Gear V-shaped testing apparatus |
| CN201096488Y (en) * | 2007-10-15 | 2008-08-06 | 深圳市金洲精工科技股份有限公司 | Adjustable durable V-type positioning apparatus |
| CN201880760U (en) * | 2010-12-02 | 2011-06-29 | 丰兴精密产业（惠州）有限公司 | Long shaft runout rectification machine |
| CN102997815A (en) * | 2012-11-21 | 2013-03-27 | 大连液压件有限公司 | Quick detector of slide valve cylindricity |
-
2013
- 2013-08-26 CN CN201310374828.9A patent/CN103486945A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2676142Y (en) * | 2003-12-18 | 2005-02-02 | 东风汽车有限公司 | Mechanical automatic roundness measuring mechanism |
| CN201096488Y (en) * | 2007-10-15 | 2008-08-06 | 深圳市金洲精工科技股份有限公司 | Adjustable durable V-type positioning apparatus |
| CN201083485Y (en) * | 2007-10-19 | 2008-07-09 | 中国科学院上海技术物理研究所 | Ceramic lock pin interior diameter / concentricity measuring apparatus V -type trough |
| CN201093978Y (en) * | 2007-10-23 | 2008-07-30 | 郑州华威耐火材料股份有限公司 | Gear V-shaped testing apparatus |
| CN201880760U (en) * | 2010-12-02 | 2011-06-29 | 丰兴精密产业（惠州）有限公司 | Long shaft runout rectification machine |
| CN102997815A (en) * | 2012-11-21 | 2013-03-27 | 大连液压件有限公司 | Quick detector of slide valve cylindricity |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841583A (en) * | 2016-06-16 | 2016-08-10 | 沈阳飞机工业（集团）有限公司 | Auxiliary positioning device for calibrating circularity of three-pin set |
| CN107063025A (en) * | 2017-01-23 | 2017-08-18 | 盐城同环机电科技有限公司 | A kind of cubing for automotive seat connecting rod positioning welding |
| CN107063025B (en) * | 2017-01-23 | 2019-09-13 | 盐城同环机电科技有限公司 | A kind of cubing for automotive seat connecting rod positioning welding |
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Application publication date: 20140101 |