CN103604355B - Symmetry degree detection tool for corresponding reference hole of valve sleeve oil groove - Google Patents
Symmetry degree detection tool for corresponding reference hole of valve sleeve oil groove Download PDFInfo
- Publication number
- CN103604355B CN103604355B CN201310485120.0A CN201310485120A CN103604355B CN 103604355 B CN103604355 B CN 103604355B CN 201310485120 A CN201310485120 A CN 201310485120A CN 103604355 B CN103604355 B CN 103604355B
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- China
- Prior art keywords
- hole
- valve pocket
- radial hole
- steel ball
- oil groove
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- 238000001514 detection method Methods 0.000 title abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 238000005259 measurement Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 26
- 230000000694 effects Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Abstract
The invention provides a symmetry degree checking fixture of a valve sleeve oil groove corresponding to a reference hole, which comprises: the positioning shaft is fixed on the bottom plate, two radial holes which are opposite in position are arranged on the positioning shaft, the interval between the two radial holes is 180 degrees, steel balls are arranged in the radial holes, springs are arranged between the steel balls and the bottoms of the radial holes, the steel balls are limited in the radial holes, part of the steel balls can extend out of the radial holes, and the diameter of the steel balls is larger than the width of the oil groove; the measuring block is located on one side of the positioning shaft, a measuring rod is arranged on the measuring block, the central line of the measuring rod is perpendicular to the central line of the radial hole, the sliding direction of the measuring block is parallel to the central line direction of the radial hole, a dial indicator is arranged on each of two sides of the sliding direction of the measuring block, and the measuring rod of the dial indicator abuts against the measuring block. The detection tool is simple in structure and convenient to use, cannot be influenced by iron chips in the valve sleeve, is not prone to failure, and can effectively improve the detection efficiency of the valve sleeve.
Description
Technical field
The present invention relates to a kind of symmetry degree gauge, particularly relate to a kind of for detecting valve pocket oil groove and corresponding datum hole symmetry
Cubing.
Background technology
Automobile steering system mainly includes steering wheel, power shaft, torque arm and power steering hydraulic system.Power steering hydraulic pressure system
The power steering valve of system includes valve pocket and valve two parts, and valve pocket and spool are equipped with diverse location on oilhole, valve pocket and spool
Oilhole is interconnected and can form the closed circuit that flow direction is different.Steering wheel is connected with torque arm by power shaft, torque arm
The other end is connected with spool.When rotating steering wheel, moment of torsion is passed to torque arm by power shaft, and torque arm band movable valve plug revolves
Turn, make spool and valve pocket generation relative motion, thus can change the break-make relation of oil duct between valve pocket and spool and hydraulic oil
Flow direction, and then rotated towards different directions by hydraulic gear band motor car wheel.The inner peripheral surface of valve pocket is provided with eight uniformly
The oil groove of distribution, oil groove and spool outer peripheral face cooperatively form the oil circuit of hydraulic oil.
During valve pocket is processed, on valve pocket, first process a datum hole, then according to the position of datum hole
Putting eight oil grooves of processing on the inner peripheral surface of valve pocket, for the ease of follow-up assembling, the symmetry between oil groove and valve pocket datum hole closes
System also should comply with requirement, it is therefore desirable to detects valve pocket oil groove with corresponding datum hole symmetry, the most conventional inspection
Survey method is to be detected by pneumatic measuring instrument, and using pneumatic measuring instrument to carry out detection needs to process pore, inspection on locating shaft
Tool processing is got up very trouble, particularly sometimes has iron filings residual in valve pocket, the iron filings of residual sometimes by air-hole blockage,
Thus the detection efficiency of cubing can be impacted.Come oil groove and valve pocket datum hole it is therefore desirable to design a kind of new cubing
Between symmetry detect.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of simple in construction, easy to use, be difficult to
The symmetry degree gauge of the corresponding datum hole of valve pocket oil groove broken down.
For achieving the above object and other relevant purposes, the present invention provides the symmetry degree gauge of the corresponding datum hole of a kind of valve pocket oil groove,
One end of described valve pocket is provided with the datum hole of an opening, and described valve pocket inner peripheral surface is provided with eight equally distributed oil grooves, this valve pocket oil
The symmetry degree gauge of the corresponding datum hole of groove is comprising: a base plate；One locating shaft, described locating shaft is fixed on described base plate,
Described locating shaft is provided with two relative radial holes in position, is spaced 180 °, is provided with in described radial hole between two radial holes
Steel ball, is provided with spring between the bottom of described steel ball and described radial hole, described steel ball can move back and forth in described radial hole,
Described steel ball is limited in described radial hole and the extended described radial hole of a part of described steel ball, and the diameter of described steel ball is more than
The width of described oil groove；One survey mass, described survey mass is slidably connected with described base plate, and described survey mass is positioned at described locating shaft
Side, described survey mass is provided with a measurement bar, the centrage of described measurement bar and the central axis of described radial hole, institute
The glide direction stating survey mass is parallel with the centerline direction of described radial hole, sets respectively in the both sides of described survey mass glide direction
An amesdial, the measuring staff of described amesdial is had to be resisted against on described survey mass.
Preferably, the opening part of described radial hole is provided with restriction steel ball and rolls out the banking stop of described radial hole.
Preferably, described base plate is provided with slide rail, and described slide rail arranged direction is parallel with the centerline direction of described radial hole, institute
State survey mass to be connected with described slide rail by slide block.
Preferably, described survey mass be respectively provided on two sides with an extension board, the measuring staff of two amesdials bears against two extensions
On plate.
As it has been described above, the symmetry degree gauge of the corresponding datum hole of the valve pocket oil groove of the present invention has the advantages that this cubing exists
During use, being first enclosed within locating shaft by valve pocket, the steel ball card made on locating shaft in radial hole is in the corresponding oil groove of valve pocket, same
Time make the measurement bar on survey mass be inserted in datum hole, the survey mass that then slidably reciprocates make measurement bar respectively with two sides of datum hole
Face contacts, and the reading observing two amesdials can judge the symmetry of the corresponding datum hole of valve pocket oil groove.This detection tool structure letter
Single, easy to use, will not be affected by iron filings in valve pocket, be not susceptible to fault, the detection efficiency of valve pocket can be effectively improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is shown as the schematic diagram that embodiment of the present invention locating shaft coordinates with valve pocket.
Fig. 3 is the structural representation of embodiment of the present invention radial hole banking stop.
Element numbers explanation
1 base plate
2 locating shafts
21 radial holes
22 springs
23 steel balls
24 banking stops
3 survey mass
31 measure bar
32 extension boards
4 slide rails
5 amesdials
6 amesdials
7 valve pockets
71 oil grooves
72 datum holes
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be taken off by this specification
The content of dew understands other advantages and effect of the present invention easily.
Refer to Fig. 1 to Fig. 3.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to
Coordinating the content disclosed in description, understand for those skilled in the art and read, being not limited to the present invention can implement
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
Under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still fall at disclosed technology contents
In the range of containing.Meanwhile, in this specification cited as " on ", D score, "left", "right", " in
Between " and the term of " " etc., it is merely convenient to understanding of narration, and is not used to limit the enforceable scope of the present invention, its phase
Relation is altered or modified, is changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, 2, the present invention provides the symmetry degree gauge of the corresponding datum hole of a kind of valve pocket oil groove, this symmetry degree gauge bag
Including a base plate 1, base plate 1 is provided with a locating shaft 2, and locating shaft 2 is fixed on base plate 1, and locating shaft 2 is provided with two positions
Relative radial hole 21, is spaced 180 ° between two radial holes 21.A steel ball 23 it is equipped with, at steel in each radial hole 21
Being provided with spring 22 between the bottom of pearl 23 and radial hole 21, steel ball 23 can move back and forth in radial hole 21.Steel ball 23 quilt
It is limited in radial hole 21, under the elastic force effect of spring 22, the extended radial hole of a part 21 of steel ball 23, i.e. steel ball
The part of 21 is protruded on the outer peripheral face of locating shaft 2.So be enclosed within locating shaft when valve pocket 7, and the oil groove 71 of valve pocket with
When radial hole position on locating shaft 2 is corresponding, a part for steel ball 23 evagination will be stuck in the oil groove 71 of valve pocket 7.Steel
The diameter of pearl 23 should be greater than the width of valve pocket 7 inner oil sump 71, and such guarantee valve pocket 7 is clamped, it is to avoid valve pocket 7 is fixed
Rotate on the axle 2 of position.
Be additionally provided with a survey mass 3 in the side of locating shaft 2, survey mass 3 is slidably connected with base plate 1, and base plate 1 is provided with slide rail 4,
Survey mass 3 is provided with slide block, and slide block coordinates with slide rail 4 makes survey mass 3 slidably reciprocate on base plate 1.Survey mass 3 is provided with
One point to locating shaft 2 measurement bar 31, measure bar 31 centrage should with the central axis of radial hole 21 on locating shaft 2,
The glide direction of survey mass 3 should be parallel with the centerline direction of radial hole 21, and therefore slide rail 4 arranged direction should be with radial hole 21
Centerline direction parallel.Being provided with amesdial 5 in the side of survey mass 3, opposite side is provided with amesdial 6,5, thousand points of amesdial
The measuring staff of table 6 bears against the both sides at survey mass 3, for the ease of the installation of amesdial, and can in the both sides of survey mass 3 respectively
Arranging an extension plate 32, the measuring staff of amesdial 5,6 only need to bear against on the extension plate 32 of survey mass 3.
As it is shown on figure 3, as a preferred embodiment, steel ball 23 can be limited in radial hole 21 by two banking stops 24,
Two banking stops about 24 cover a part relative to by the two ends up and down of radial hole, thus steel ball 23 can be limited in radial hole
In 21, and can guarantee that a part for steel ball 23 stretches out radial hole 21, banking stop 24 is fixed on the outer peripheral face of locating shaft 2.Make
For a kind of optimal way, banking stop 24 can arrange semi-circular hole, the semi-circular hole on two banking stops 24 is relative, so may be used
Ensure on the premise of steel ball 23 is limited in radial hole 21, steel ball 23 have bigger part can stretch out radial hole 21,
As long as the diameter of general semi-circular hole is slightly less than the diameter of steel ball 23.
One end of valve pocket 7 for detecting is provided with the datum hole 72 of an opening, is provided with eight and is uniformly distributed on the inner peripheral surface of valve pocket
Oil groove 71.When detecting, the datum hole 72 of valve pocket 7 should be located close to the side of survey mass 3, be enclosed within by valve pocket 7
On locating shaft 2, the steel ball 23 made on locating shaft 2 in two radial holes 21 is stuck in the corresponding oil groove 71 of valve pocket 7, simultaneously
The measurement bar 31 on survey mass 3 is made to be inserted in datum hole 72.After valve pocket 7 packages, the position of traverse measurement block 3, make measurement
The axis of bar and the center superposition of locating shaft 2, typically can be provided with a mark line on base plate, is measuring setting on bar 31 simultaneously
Arrow, only needs traverse measurement block 3 to make arrow overlap with mark line.Now make thousand points at levelling amesdial 5,6
Table makes zero, and slidably reciprocate survey mass 3 the most again, make measurement bar 31 respectively with two contacts side surfaces of datum hole 72, observe two
The reading of individual amesdial can judge the symmetry of the corresponding datum hole of valve pocket oil groove.
This detection tool structure is simple, easy to use, will not be affected by iron filings in valve pocket, is not susceptible to fault, can be effectively improved
The detection efficiency of valve pocket.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as
All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc.
Effect is modified or changes, and must be contained by the claim of the present invention.
Claims (3)
1. the symmetry degree gauge of the corresponding datum hole of valve pocket oil groove, one end of described valve pocket is provided with the datum hole of an opening, described valve pocket inner peripheral surface is provided with eight equally distributed oil grooves, it is characterised in that the symmetry degree gauge of the corresponding datum hole of this valve pocket oil groove comprising:
One base plate；
One locating shaft, described locating shaft is fixed on described base plate, described locating shaft is provided with two relative radial holes in position, it is spaced 180 ° between two radial holes, being provided with steel ball in described radial hole, be provided with spring between the bottom of described steel ball and described radial hole, described steel ball can move back and forth in described radial hole, described steel ball is limited in described radial hole and the extended described radial hole of a part of described steel ball, and the diameter of described steel ball is more than the width of described oil groove；
One survey mass, described survey mass is slidably connected with described base plate, described survey mass is positioned at the side of described locating shaft, described survey mass is provided with a measurement bar, the centrage of described measurement bar and the central axis of described radial hole, the glide direction of described survey mass is parallel with the centerline direction of described radial hole, and at the amesdial that is respectively provided on two sides with of described survey mass glide direction, the measuring staff of described amesdial is resisted against on described survey mass；
The opening part of described radial hole is provided with restriction steel ball and rolls out the banking stop of described radial hole, and described radial hole opening part is provided with two banking stops opposing upper and lower, and described banking stop is provided with semi-circular hole, and the diameter of described semi-circular hole is less than the diameter of described steel ball.
The symmetry degree gauge of the corresponding datum hole of valve pocket oil groove the most according to claim 1, it is characterized in that: described base plate is provided with slide rail, described slide rail arranged direction is parallel with the centerline direction of described radial hole, and described survey mass is connected with described slide rail by slide block.
The symmetry degree gauge of the corresponding datum hole of valve pocket oil groove the most according to claim 1, it is characterised in that: described survey mass be respectively provided on two sides with an extension board, the measuring staff of two amesdials bears against on two extension boards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485120.0A CN103604355B (en) | 2013-10-16 | 2013-10-16 | Symmetry degree detection tool for corresponding reference hole of valve sleeve oil groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485120.0A CN103604355B (en) | 2013-10-16 | 2013-10-16 | Symmetry degree detection tool for corresponding reference hole of valve sleeve oil groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103604355A CN103604355A (en) | 2014-02-26 |
| CN103604355B true CN103604355B (en) | 2017-01-04 |
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ID=50122601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310485120.0A Active CN103604355B (en) | 2013-10-16 | 2013-10-16 | Symmetry degree detection tool for corresponding reference hole of valve sleeve oil groove |
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| Country | Link |
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| CN (1) | CN103604355B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6043409B1 (en) * | 2015-07-10 | 2016-12-14 | Ｋｙｂ株式会社 | Rod member and valve device |
| CN105258624A (en) * | 2015-10-16 | 2016-01-20 | 重庆颖泉标准件有限公司 | Testing method for symmetry of automobile transmission shift lever |
| CN105258625A (en) * | 2015-10-16 | 2016-01-20 | 重庆颖泉标准件有限公司 | Method for detecting automobile shift swing rod bulb symmetry |
| CN105258602A (en) * | 2015-10-16 | 2016-01-20 | 重庆颖泉标准件有限公司 | Device used for detecting shift swing rod bulb thickness |
| CN105241365A (en) * | 2015-10-16 | 2016-01-13 | 重庆颖泉标准件有限公司 | Method for detecting symmetry of ball head of shift swing rod |
| CN106124165A (en) * | 2016-06-14 | 2016-11-16 | 京东方科技集团股份有限公司 | A kind of backlight module detection arrangement |
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| CN202041161U (en) * | 2011-03-11 | 2011-11-16 | 许晓华 | Detecting tool for degree of symmetry of through hole on output shaft of speed reduction box |
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| RU2190186C2 (en) * | 2000-11-20 | 2002-09-27 | Тверской государственный технический университет | Device for checking through hole key way for symmetry deviation |
| CN2881526Y (en) * | 2005-10-19 | 2007-03-21 | 桂林广陆数字测控股份有限公司 | Keyslot symmetry digital display caliber rule |
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|---|---|---|---|---|
| JP2004294121A (en) * | 2003-03-25 | 2004-10-21 | Mitsubishi Fuso Truck & Bus Corp | Apparatus for measuring amount of eccentricity |
| CN202041161U (en) * | 2011-03-11 | 2011-11-16 | 许晓华 | Detecting tool for degree of symmetry of through hole on output shaft of speed reduction box |
| CN202141421U (en) * | 2011-07-07 | 2012-02-08 | 上海万泰汽车零部件有限公司 | Hole position and hole spacing measuring device used for bearing cap processing |
| CN102357798A (en) * | 2011-09-14 | 2012-02-22 | 中国航空工业第六一八研究所 | Inner cavity centering adjustment method and adjustment tool thereof |
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| Publication number | Publication date |
|---|---|
| CN103604355A (en) | 2014-02-26 |
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| SE01 | Entry into force of request for substantive examination | ||
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Inventor after: Cui Guanggao Inventor after: Zhang Liming Inventor after: Dong Gangtao Inventor before: Zhang Liming Inventor before: Dong Gangtao |