CN102200420B - Position detector for differential mechanism spider and detecting method thereof - Google Patents
Position detector for differential mechanism spider and detecting method thereof Download PDFInfo
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- CN102200420B CN102200420B CN 201010231512 CN201010231512A CN102200420B CN 102200420 B CN102200420 B CN 102200420B CN 201010231512 CN201010231512 CN 201010231512 CN 201010231512 A CN201010231512 A CN 201010231512A CN 102200420 B CN102200420 B CN 102200420B
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Abstract
The invention relates to a position detector for a differential mechanism spider and a detecting method thereof. In the invention, the problem that the prior position detectors for differential mechanism spider always are difficult for operation staff to handle and the detection accuracy is not satisfying can be solved. The position detector disclosed by the invention comprises a base and a stand. The stand is provided with a dial gauge, and a central spindle is arranged in the center of the base in a penetrating mode. A floating plate is equipped on the upper part of the central spindle, and connecting troughs are arranged at the two sides of the floating plate in the base. Each of the ends of the floating plate is equipped with a locating block 1, and each of the connecting troughs is equipped with a locating block 2 respectively. A lever is arranged on the bottom of the base, and one end of the lever is connected with the lower end of the central spindle, and the other end of the lever is connected with the lower end of the stand. When detecting, firstly, after the detector is adjusted, the spider is pressed and the dial gauge figure is recorded; and next, the spider is rotated by 90 degrees and the above operations needs to be repeated. The error amount is the difference between the two figures. The position detector disclosed by the invention is simple and easy for operation staff to operate and sets a low requirement for skills and experiences of users. In addition, the detection accuracy achieved by the invention is quite good.
Description
Technical field
The present invention relates to a kind of position degree pick-up unit, especially relate to a kind of operation and require low, high differential spider position degree pick-up unit and the measuring method of measurement accuracy.
Background technology
Differential spider is important composition parts of differential mechanism, and the differential spider of generally producing requires that four key points are on same plane on its axle journal, and promptly the position degree of trunnion journal will be in the acceptable ranges of regulation.Traditional method to the joint spider position probing is: as shown in Figure 1, prepare a dial framework 3 ', be equipped with on the dial framework clock gauge 5 '; Select again the diameter standard ring 1 slightly littler than joint spider 4 ' length overall '; Standard ring is placed on dull and stereotyped 2 ' on, four axle journals with joint spider rest on the standard ring then, manually push joint spider; Select a big axle journal of swing as measurement point, clock gauge is withstood on this measurement point.During measurement, push joint spider, the reading total head on the clock gauge is exactly the position error value.But this detection method has certain requirement to operating personnel, requires it to have higher operation skill and certain practical experience, and the ordinary person can not grasp easily, and accuracy of measurement is not high; In addition, different during operation to tested joint spider length overall, also need be equipped with corresponding with it standard ring, increased cost.
Summary of the invention
The present invention has mainly solved traditional cross shaft position degree pick-up unit operating personnel has been required height, and the problem that accuracy of measurement is not high provides a kind of operation to require low, the high differential spider position measurement method of measurement accuracy.
Another goal of the invention of the present invention has provided a kind of differential spider position degree pick-up unit of realizing this detection method that is specifically designed to.
Above-mentioned technical matters of the present invention mainly is able to solve through following technical proposals: a kind of differential spider of the present invention position degree pick-up unit comprises base and is arranged on the dial framework on the base that dial framework is provided with clock gauge; Center at said base has placed mandrel; Mandrel top is equipped with float plate, on the base of float plate both sides, is respectively arranged with the link slot perpendicular to the float plate middle part, and the two ends of float plate are respectively arranged with locating piece one; Be respectively arranged with locating piece two on the link slot; Bottom at base is provided with lever, end in contact under said lever one end and the mandrel, end in contact under the other end and the dial framework.
Base is square or circular, and mandrel can move up and down vertically through center; Expose on susceptor surface the mandrel upper end; Float plate is a strip, and bolt is passed through with the mandrel upper end in the float plate middle part, and link slot is arranged on the base of float plate both sides; Float plate and link slot form cross structure, and the lower end of mandrel contacts with the lever that is arranged on the base bottom one end.Locating piece one plays positioning action with two pairs of joint spiders of locating piece; Four axle journals of checked joint spider are placed on locating piece one and locating piece two respectively; Locating piece one can carry out position adjustments with locating piece, to adapt to the joint spider of different sizes or shape, highly versatile.This device has utilized lever principle, presses joint spider during inspection, and float plate descends, and float plate will move numerical value and be delivered on the lever through mandrel, and the dial framework lower end that contacts with the lever other end feeds back to metrical information in the clock gauge that is fixed on the dial framework.This apparatus structure simplicity of design is ingenious, uses easy to adjustly, and accuracy of detection is high, in addition reviewer's operation is required lowly, greatly facilitates the reviewer and uses.
As a kind of preferred version of such scheme, said float plate is a strip, and said mandrel upper end is connected with the float plate middle part, on the float plate two ends, is respectively equipped with the elongated hole that is used to connect locating piece one, and said link slot is a T-slot.
As a kind of preferred version of such scheme, said locating piece one is made up of connecting portion and the location division that is vertically set on the connecting portion with locating piece two, and connecting portion is provided with mounting hole, on the location division, is provided with V-shaped groove.Be provided with bolt in the mounting hole on locating piece one, bolt passes mounting hole and elongated hole, at the bolt front end nut of screwing, locating piece one is fixed on the float plate.Be provided with bolt in the mounting hole on locating piece two, the bolt head holding of bolt is in T-slot, and bolt passes T-slot and mounting hole, and the nut of screwing at the bolt top is fixed on locating piece two on the base.V-shaped groove on locating piece one, the locating piece two is used to place the axle journal of joint spider, and in addition, this V-shaped groove is suitable for placing the trunnion journal of different sizes, has improved the versatility of using.
As a kind of preferred version of such scheme, the V-shaped groove place height on the said locating piece one will be higher than the V-shaped groove place height on the locating piece two.When detecting, two axle journals of the joint spider of putting earlier with locating piece one on V-shaped groove contact, press joint spider after, float plate decline contacts with V-shaped groove on the locating piece two up to other two axle journals on the joint spider.
A kind of preferred version as such scheme; Be provided with lever support in said base bottom; Said lever is installed on the lever support, is provided with feeler lever in said mandrel lower end, and feeler lever contacts with an end of lever; Lever is provided with spring one near an end of dial framework, and spring one upper end is connected on the base.Lever is hinged on the lever support through supporting pin, and lever has played float plate is moved the effect that numerical value passes to clock gauge, and the spring one on the lever makes mandrel keep in touch with lever all the time.
As a kind of preferred version of such scheme, said dial framework is through on the base, in dial framework, is provided with and the contacted push rod of clock gauge; The dial framework lower end is provided with end cap, and said push rod passes end cap and contacts the cavity that in the dial framework lower end, is provided with an end of said lever; Be provided with spring two in the cavity, said spring two is nested with on push rod, and spring 21 ends withstand on the push rod; Spring two other ends withstand on the cavity, in the dial framework upper end dial framework nut are set, and the dial framework nut is provided with set screw.Clock gauge contacts with the interior push rod of dial framework, and push rod contacts with the lever other end, and the numerical value that float plate moves is given push rod through lever transmission, and push rod passes to clock gauge again, thereby on clock gauge, shows reading.Spring two is arranged in the cavity, on the push rod body of rod, is provided with the convex edge, and this convex edge is positioned at cavity; And be positioned at position near the cavity lower end; Spring 21 ends withstand on the convex edge of push rod, and the other end withstands on the cavity rear end, and this spring two makes push rod keep in touch with lever all the time.End cap can regulating spring two tightness.The dial framework nut is arranged on the dial framework top, and clock gauge is connected on the dial framework nut, and set screw is used to regulate the position with respect to the push rod upper end of clock gauge on the dial framework nut.
A kind of differential spider position measurement method of the present invention may further comprise the steps:
A. the installation of pick-up unit and debugging: pick-up unit is placed on the flat board, the base of pick-up unit is contacted with dull and stereotyped held stationary; Adjust distance and the distance between two locating pieces, two outsides between two locating pieces, one outside, make this distance consistent with tested joint spider length overall; Joint spider is placed on the pick-up unit; The a pair of axle journal of joint spider contacts with V-shaped groove on the locating piece one; Manually push joint spider, up to another of joint spider axle journal is contacted with V-shaped groove on the locating piece two, the set screw of outwarding winding is regulated the position of the relative push rod of clock gauge upper end; Indicate in first lattice, 1/2 position at zero position, the little pin of pointer up to the indication of clock gauge pointer large needle, tighten set screw;
Pick-up unit is adjusted, reduced and detect error, improve the accuracy of testing result.Above-mentioned distance is meant that the outside, location division on two locating pieces one or two locating pieces two is the distance between the opposing one side; Because joint spider is symmetrical, then the joint spider length overall is meant the distance between a pair of axle journal top that is located along the same line; Manually push the middle part that joint spider refers to push joint spider.
B. after the pick-up unit adjustment finishes; Joint spider is placed on the pick-up unit, and a pair of axle journal of joint spider contacts with V-shaped groove on the locating piece one, manually pushes joint spider; Up to another of joint spider axle journal is contacted with V-shaped groove on the locating piece two, observe clock gauge and also write down reading;
C. with the joint spider half-twist, repeating step b subtracts each other the numerical value that records for twice then, obtains the position error value of joint spider.
Therefore, advantage of the present invention is: pick-up unit is simple in structure, and is easy to operate, and operation requires low, and operating personnel need not possess very high operation skill and practical experience, and the accuracy of detection is high.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of traditional pick-up unit;
Accompanying drawing 2 is a kind of plan structure synoptic diagram of differential spider of the present invention position degree pick-up unit;
Accompanying drawing 3 be in the accompanying drawing 2 A-A to cut-open view;
Accompanying drawing 4 be in the accompanying drawing 2 B-B to cut-open view;
Accompanying drawing 5 is the structure for amplifying synoptic diagram at C place in the accompanying drawing 4;
Accompanying drawing 6 is a kind of structural representations of locating piece one in the degree pick-up unit of differential spider of the present invention position.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment:
A kind of differential spider of present embodiment position degree pick-up unit like Fig. 2, Fig. 3 and shown in Figure 4, comprises base 1; Base is square, is provided with mandrel 2 in the centre of base, and this mandrel is perpendicular to base and be set on the base 1; The upper end of mandrel is equipped with float plate 3, and expose outside base the mandrel lower end, and radial outward is provided with a circle stop part in the mandrel lower end; Stop mandrel by on deviate from, be provided with feeler lever 9 in mandrel bottom.On the base of the both sides of float plate, have link slot 4, this link slot is the T-slot that the bottom is wide, notch is little, and link slot makes link slot and float plate form a crosswise perpendicular to the middle part of float plate.On the two ends of float plate, be respectively arranged with locating piece 1, on link slot, be respectively arranged with locating piece 26.Dial framework 10 also is installed on base, clock gauge 8 is installed on dial framework.
As shown in Figure 2, float plate is a strip, and the middle part of float plate is installed in the mandrel upper end, fixes through screw, on the float plate two ends, is respectively arranged with the elongated hole 7 that is used to connect locating piece 1.
Shown in Fig. 2 and 6; Locating piece 1 is consistent with locating piece 26 structures; It all comprises connecting portion 21 and is arranged on the location division 22 on the connecting portion, and the location division is provided with V-shaped groove 23, but the height at the place of the V-shaped groove on the location division one will be higher than the height at the V-shaped groove place on the location division two; Connecting portion is provided with mounting hole 25, is provided with orienting lug 24 in the connecting portion bottom.During installation, the orienting lug of locating piece one embeds in the elongated hole, and bolt passes elongated hole and mounting hole, screws with nut at the top; The orienting lug of locating piece two embeds in the link slot 4, and the bolt head holding of bolt is in link slot, and bolt passes link slot and mounting hole, screws with nut at the bolt top.
Like Fig. 4 and shown in Figure 5, dial framework 10 is set on the base, and this dial framework hollow is provided with push rod 14 in dial framework; This push rod upper end contacts with the induction end of clock gauge, and the dial framework upper end is provided with dial framework nut 19, and the dial framework nut is provided with set screw 20, and end cap 17 is installed on the lower ending opening of dial framework; This end cap is threaded with dial framework, and push rod passes end cap and exposes in the base bottom, in the dial framework lower end, also is provided with a cavity 15, in cavity, is provided with spring 2 16; On the push rod body of rod, be provided with the convex edge, this convex edge is positioned at cavity, and is positioned at the position near the cavity lower end; Spring housing is on push rod, and the lower end of spring withstands on the convex edge, and the upper end of spring withstands on the cavity.
As shown in Figure 4, the bottom indent of base is formed with a space, and the base bottom is provided with lever support 12; Lever support and base pass through bolt; On lever support, be hinged with lever 11 through bearing pin, lever one end contacts with feeler lever 9 on the mandrel 2, and the other end of lever then contacts with the push rod lower end; Lever is provided with spring 1 near an end of dial framework, and spring one upper end withstands on the base bottom.
The differential spider position measurement method that above-mentioned detection device is used in the present embodiment is: at first pick-up unit is installed and debugged; Pick-up unit is placed on the flat board, the base of pick-up unit is contacted with dull and stereotyped held stationary; Adjust distance and the distance between two locating pieces, two outsides between two locating pieces, one outside, make this distance consistent with tested joint spider length overall; Joint spider is placed on the pick-up unit; The a pair of axle journal of joint spider contacts with V-shaped groove on the locating piece one; Manually push joint spider, up to another of joint spider axle journal is contacted with V-shaped groove on the locating piece two, the set screw of outwarding winding is regulated the position of the relative push rod of clock gauge upper end; Indicate in first lattice, 1/2 position at zero position, the little pin of pointer up to the indication of clock gauge pointer large needle, tighten set screw.
After the pick-up unit adjustment finishes; Joint spider is placed on the pick-up unit, and a pair of axle journal of joint spider contacts with V-shaped groove on the locating piece one, manually pushes joint spider; Up to another of joint spider axle journal is contacted with V-shaped groove on the locating piece two, observe clock gauge and also write down reading; Again with the joint spider half-twist, repeat above-mentioned steps, then the numerical value that records for twice is subtracted each other, obtain the position error value of joint spider.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as locating piece one, float plate, locating piece two, base, mandrel morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (1)
1. a differential spider position degree pick-up unit comprises base and is arranged on the dial framework on the base, and dial framework is provided with clock gauge; It is characterized in that: placed mandrel (2) at the center of said base (1), mandrel top is equipped with float plate (3), on the base of float plate both sides, is respectively arranged with the link slot (4) perpendicular to the float plate middle part; The two ends of float plate are respectively arranged with locating piece one (5), are respectively arranged with locating piece two (6) on the link slot (4), are provided with lever (11) in the bottom of base (1); End in contact under said lever one end and the mandrel, end in contact under the other end and the dial framework, said locating piece one (5) and locating piece two (6) are by connecting portion (21) and be vertically set on location division (22) formation on the connecting portion (21); Connecting portion is provided with mounting hole (25); On the location division, be provided with V-shaped groove (23), said base (1) bottom is provided with lever support (12), and said lever (11) is installed on the lever support; Be provided with feeler lever (9) in said mandrel (2) lower end; Feeler lever contacts with an end of lever, and lever is provided with spring one (13) near an end of dial framework (10), and spring one upper end is connected on the base (1); Locating piece one can carry out position adjustments with locating piece two, to adapt to the joint spider of different sizes or shape.
2. a kind of differential spider according to claim 1 position degree pick-up unit; It is characterized in that said float plate (3) is strip; Said mandrel (2) upper end is connected with the float plate middle part; On the float plate two ends, be respectively equipped with the elongated hole (7) that is used to connect locating piece one (5), said link slot (4) is a T-slot.
3. a kind of differential spider according to claim 1 position degree pick-up unit is characterized in that the V-shaped groove place height on the said locating piece one (5) will be higher than the V-shaped groove place height on the locating piece two (6).
4. a kind of differential spider according to claim 1 and 2 position degree pick-up unit is characterized in that said dial framework (10) is through on the base (1), in dial framework, is provided with and the contacted push rod of clock gauge (8) (14); The dial framework lower end is provided with end cap (17), and said push rod passes end cap and contacts with an end of said lever (11), in the dial framework lower end, is provided with cavity (15); Be provided with spring two (16) in the cavity, on the push rod body of rod, be provided with the convex edge, this convex edge is positioned at cavity; And be positioned at position near the cavity lower end; Spring two is enclosed within on the push rod, and the lower end of spring two withstands on the convex edge, and the upper end of spring two withstands on the cavity rear end; In the dial framework upper end dial framework nut (19) is set, the dial framework nut is provided with set screw (20).
5. differential spider position measurement method of using the described differential spider of claim 4 position degree pick-up unit is characterized in that: may further comprise the steps:
A. the installation of pick-up unit and debugging: pick-up unit is placed on the flat board, the base of pick-up unit is contacted with dull and stereotyped held stationary; Adjust distance and the distance between two locating pieces, two outsides between two locating pieces, one outside, make this distance consistent with tested joint spider length overall; Joint spider is placed on the pick-up unit; The a pair of axle journal of joint spider contacts with V-shaped groove on the locating piece one; Manually push joint spider, up to another of joint spider axle journal is contacted with V-shaped groove on the locating piece two, the set screw of outwarding winding is regulated the position of the relative push rod of clock gauge upper end; Indicate in first lattice, 1/2 position at zero position, the little pin of pointer up to the indication of clock gauge pointer large needle, tighten set screw;
B. after the pick-up unit adjustment finishes; Joint spider is placed on the pick-up unit, and a pair of axle journal of joint spider contacts with V-shaped groove on the locating piece one, manually pushes joint spider; Up to another of joint spider axle journal is contacted with V-shaped groove on the locating piece two, observe clock gauge and also write down reading;
C. with the joint spider half-twist, repeating step b subtracts each other the numerical value that records for twice then, obtains the position error value of joint spider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010231512 CN102200420B (en) | 2010-07-20 | 2010-07-20 | Position detector for differential mechanism spider and detecting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010231512 CN102200420B (en) | 2010-07-20 | 2010-07-20 | Position detector for differential mechanism spider and detecting method thereof |
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| CN102200420A CN102200420A (en) | 2011-09-28 |
| CN102200420B true CN102200420B (en) | 2012-12-05 |
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| CN 201010231512 Active CN102200420B (en) | 2010-07-20 | 2010-07-20 | Position detector for differential mechanism spider and detecting method thereof |
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| CN103557831B (en) * | 2013-11-15 | 2016-03-30 | 中国重汽集团济南动力有限公司 | A kind of device and method of on-line checkingi differential carrier cross shaft hole symmetry |
| CN103994708B (en) * | 2014-05-15 | 2016-08-24 | 鹰普（中国）有限公司 | Measure two orthogonal endoporus center of circle intersection points measuring mechanism to the distance in oblique face |
| CN104864794A (en) * | 2015-06-23 | 2015-08-26 | 苏州赛腾精密电子股份有限公司 | Laptop foot pad checking fixture |
| CN113432562A (en) * | 2021-06-25 | 2021-09-24 | 中国船舶重工集团公司第七0七研究所 | Device for measuring axial dimension of workpiece and using method thereof |
| CN114777603B (en) * | 2022-04-27 | 2024-04-09 | 杭州双佳汽车部件制造有限公司 | Eccentric cross shaft position degree measuring device and method |
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