CN203479280U - Positioning device for speed changer shift fork assembly detection - Google Patents
Positioning device for speed changer shift fork assembly detection Download PDFInfo
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- CN203479280U CN203479280U CN201320533506.XU CN201320533506U CN203479280U CN 203479280 U CN203479280 U CN 203479280U CN 201320533506 U CN201320533506 U CN 201320533506U CN 203479280 U CN203479280 U CN 203479280U
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Abstract
The utility model belongs to the technical field of automobile component detection, and provides a positioning device for speed changer shift fork assembly detection, for solving the problem of inaccurate measuring caused by incapability of accurate positioning when a conventional shift fork assembly is used for measuring. In the positioning device for speed changer shift fork assembly detection, the shift fork assembly comprises a shift fork and a declutch shift shaft; the positioning device comprises a base plate; the base plate is vertically and fixedly connected with a positioning column and a plurality of guide columns; a slide block is sleeved on the plurality of guide columns in a sliding manner; the slide block is provided with a positioning hole; and the positioning column is provided with a positioning member capable of preventing circumferential rotation of the declutch shift shaft. By using the positioning device for speed changer shift fork assembly detection, the shift fork assembly can be accurately positioned.
Description
Technical field
The utility model belongs to auto parts and components detection technique field, relates to a kind of locating device for gearshift fork component detection.
Background technology
Automotive transmission is a set of for coordinating the speed change gear of the rotating speed of engine and the actual travel speed of wheel, for bringing into play the optimum performance of engine.Variator can produce different gear ratio in vehicle traveling process between engine and wheel, by gearshift, can make engine operation under its best power performance state.And gear is clear, gear shift is smooth-going, be the target that transmission control design is pursued, it is also the important indicator of evaluating a variator quality simultaneously always.Exquisiteness is catanator flexibly, not only can improve the combination property energy level of transmission assembly, can also improve the driving of car load and the comfortableness of taking.Pull-fork assembly is as one of most basic original paper of transmission control, and its structure and performance also directly have influence on the comfortableness of catanator operation.
Pull-fork assembly generally comprises shift fork and declutch shift shaft, and declutch shift shaft is plugged on shift fork, and both fix.And shift fork generally adopts cast steel, forged steel and pack alloy to make, pack alloy shift fork is lightweight, but sometimes in order to meet intensity and rigidity requirement, the volume of pack alloy shift fork is larger; And steel shift fork volume is little, intensity and rigidity high.But no matter be which kind of shift fork, because it is huge to gear shift performance impact, therefore before installation, all need to carry out precision and detect.As in order to measure the size of shift fork, need first shift fork to be fixed, generally take to arrange one at shift fork prong at present and position than the little cylinder of shift fork prong minimum widith, but owing to having certain gap between shift fork and cylinder, cause pull-fork assembly position unstable, measuring error is large.
For the problems referred to above, Chinese utility model patent application (201120276675.0) discloses a kind of declutch shift shaft component detection device, comprise base, base upper surface left side is provided with parallel upper, lower carriage, on base, be positioned at the chute that upper bracket upper end has horizontal direction, on chute, be slidably fitted with slide, slide upper end is provided with the calibrated bolck matching with shift fork release shaft shape, stationary balls on calibrated bolck, chute right side is provided with bearing, dial gauge is installed on bearing, the contact of dial gauge props up slide, in order to measure the size of pull-fork assembly, but this pick-up unit cannot axially altering position and circumferentially rotating and accurately locate declutch shift shaft.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of locating device for gearshift fork component detection, should can accurately locate pull-fork assembly for the locating device of gearshift fork component detection.
The purpose of this utility model can realize by following technical proposal: a kind of locating device for gearshift fork component detection, wherein, described pull-fork assembly to be detected comprises shift fork and declutch shift shaft, shift fork has prong, it is characterized in that, described locating device comprises a base plate, on described base plate, be fixed with a fixed cover vertically plugging for the one end for declutch shift shaft, the inner ring diameter of described fixed cover is consistent with the diameter of declutch shift shaft, on described base plate, be also vertically fixed with a reference column and some guideposts, on described some guideposts, slip cap is provided with a slide block, on described slide block, offer for the sheathed pilot hole of the other end for declutch shift shaft, the diameter of described pilot hole is consistent with the diameter of declutch shift shaft, described reference column is provided with the keeper for preventing that declutch shift shaft from circumferentially rotating.
Declutch shift shaft is plugged on shift fork, and both are connected mutually; One end of declutch shift shaft is plugged in fixed cover, the other end is plugged in the pilot hole of slide block, due to the diameter of pilot hole and the inner ring diameter of fixed cover consistent with the diameter of declutch shift shaft, therefore can carry out the fixing of horizontal direction to declutch shift shaft, prevent from upwards altering position or rocking the party, the end of declutch shift shaft is resisted against on base plate simultaneously, avoids axial float; Slide block can slide and take out along guidepost, facilitates the installation of declutch shift shaft; Keeper acts on shift fork, can prevent the circumferential rotation of declutch shift shaft, therefore by this locating device, can to pull-fork assembly, carry out the location of all directions, makes the measurement of pull-fork assembly more accurate.
At the above-mentioned locating device for gearshift fork component detection, described keeper comprises that one is set in the centering cone piece on reference column, described centering cone piece is tubular, the outer wall transition fit of the inwall of described locating cone piece and described reference column, the external diameter of described centering cone piece passes through and successively decreases successively, the maximum outside diameter of described locating cone piece is greater than the minimum widith of the prong of shift fork, and the minimum outer diameter of described locating cone piece is less than the minimum widith of the prong of shift fork.After pull-fork assembly is installed on base plate, reference column is positioned at shift fork prong, between reference column and shift fork prong, there is certain gap, centering cone piece is along reference column down sliding, peg graft and put in place in the gap of post and shift fork prong in its lower end, its upper end, because external diameter is greater than the minimum widith of shift fork prong, therefore can be pressed on shift fork, prevents that shift fork and declutch shift shaft from circumferentially rotating.
At the above-mentioned locating device for gearshift fork component detection, described keeper comprises two steel balls, on described reference column, radially offer two blind holes, described two blind holes are relative with the two ends of the prong of shift fork respectively, described two steel balls lay respectively in described two blind holes, in described each blind hole, be provided with a spring, one end of described spring is pressed on the bottom surface of described blind hole, and the other end of described spring is pressed on described steel ball.After pull-fork assembly is installed on base plate, reference column is positioned at shift fork prong, and steel ball is pressed on the inwall at shift fork prong two ends under the effect of spring force, prevents that shift fork and declutch shift shaft from circumferentially rotating.
On the inwall of the above-mentioned openend for blind hole described in the locating device of gearshift fork component detection, by welding, be fixed with a ring like steel wire, the internal diameter of the annulus that described ring like steel wire forms is less than the diameter of described steel ball.When pull-fork assembly takes out, ring like steel wire can prevent that steel ball from being ejected in blind hole by spring, plays the position-limiting action to steel ball.
At the above-mentioned locating device for gearshift fork component detection, on described base plate, be also fixed with a riser, the height of described riser is greater than shift fork to the distance of base plate, and described some guideposts are vertically connected on the upper surface of described riser.Slide block is along guidepost down sliding being finally pressed on the upper surface of riser, because the height of riser is greater than shift fork to the distance of base plate, so can avoid slide block to be directly pressed on shift fork.
At the above-mentioned locating device for gearshift fork component detection, described guidepost has two.Two guideposts and a declutch shift shaft, realize three-point fix, avoids occurring the play of horizontal direction.
At the above-mentioned locating device for gearshift fork component detection, described slide block comprises all guide part and the location division of rectangular bulk, described guide part is perpendicular to location division, described pilot hole is positioned on location division, on described guide part, offer two pilot holes, described slide block is set in guidepost and is slidably connected on guidepost by pilot hole.Pilot hole and pilot hole form a triangle location, avoid occurring take that the rotation that certain hole is axle center alters position.
Compared with prior art, this locating device for gearshift fork component detection has the following advantages:
1,, because reference column acts on shift fork by keeper, therefore can prevent the circumferential rotation of declutch shift shaft.
2, because this locating device also carries out the location of horizontal direction by fixed cover and slide block to the two ends of declutch shift shaft simultaneously, therefore in conjunction with keeper, can to pull-fork assembly, carry out the location of all directions, make the measurement of pull-fork assembly more accurate.
3, due to the taking-up of all can sliding of slide block and centering cone piece, so easier for installation on this locating device of pull-fork assembly.
Accompanying drawing explanation
Fig. 1 is the perspective view of this locating device when pull-fork assembly is installed.
Fig. 2 is the structure front elevation of this locating device when pull-fork assembly is installed.
Fig. 3 is the structure vertical view of this locating device when pull-fork assembly is installed.
Fig. 4 is the perspective view of slide block.
Fig. 5 is the partial structurtes cut-open view of the locating device in embodiment bis-.
Fig. 6 is the structure enlarged drawing at A place in Fig. 5.
Fig. 7 is the structure enlarged drawing at B place in Fig. 6.
In figure, 1, base plate; 2, fixed cover; 3, guidepost; 4, reference column; 41, blind hole; 5, keeper; 51, centering cone piece; 52, steel ball; 53, spring; 54, ring like steel wire; 6, slide block; 61, guide part; 611, pilot hole; 62, location division; 621, pilot hole; 7, riser.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment mono-:
As shown in Figure 1, a kind of locating device for gearshift fork component detection, pull-fork assembly comprises shift fork and declutch shift shaft, and declutch shift shaft is plugged on shift fork, and both are connected mutually.Locating device comprises a base plate 1, this base plate 1 can be laid on ground or testing table, on base plate 1, be fixed with a fixed cover 2, one end of declutch shift shaft can vertically be plugged in fixed cover 2, the inner ring diameter of fixed cover 2 is consistent with the diameter of declutch shift shaft, prevents that the end of declutch shift shaft from moving horizontally in fixed cover 2.On base plate 1, be also fixed with a riser 7, on the upper surface of riser 7, be vertically fixed with two guideposts 3, on these two guideposts 3, be arranged with a slide block 6, this slide block 6 can slide and take out along guidepost 3, on slide block 6, offer a pilot hole 621, when slide block 6 slides along guidepost 3 and be resisted against on riser 7 upper surfaces, pilot hole 621 is set in the upper end of declutch shift shaft, due to the diameter of pilot hole 621 and the diameter of declutch shift shaft consistent, therefore can prevent that the end, upper end of declutch shift shaft from moving horizontally in pilot hole 621.On base plate 1, be also vertically fixed with a reference column 4, reference column 4 is provided with keeper 5, this keeper 5 can prevent that declutch shift shaft from circumferentially rotating, and therefore by this locating device, can to pull-fork assembly, carry out the location of all directions, makes the measurement of pull-fork assembly more accurate.
Specifically, in conjunction with Fig. 2, Fig. 3, shown in Fig. 4, keeper 5 comprises that one is set in the centering cone piece 51 on reference column 4, can move up and down and take out along reference column 4, this centering cone piece 51 is tubular, the outer wall transition fit of its inwall and reference column 4, the external diameter of centering cone piece 51 passes through and successively decreases successively, its maximum outside diameter is greater than the minimum widith of shift fork prong, minimum outer diameter is less than the minimum widith of shift fork prong, after pull-fork assembly is installed on base plate 1, reference column 4 is positioned at shift fork prong, between reference column 4 and shift fork prong, there is certain gap, centering cone piece 51 is along reference column 4 down slidings, its lower end is plugged in the gap of reference column 4 and shift fork prong, its upper end is because external diameter is greater than the minimum widith of shift fork prong, therefore can be pressed on shift fork, prevent that shift fork and declutch shift shaft from circumferentially rotating.
The height of riser 7 is greater than shift fork to the distance of base plate 1, when making slide block 6 along guidepost 3 down slidings and being finally pressed on the upper surface of riser 7, can avoid slide block 6 to be directly pressed on shift fork.Slide block 6 comprises guide part 61 and location division 62, both are rectangular bulk all, guide part 61 is perpendicular to location division 62, above-mentioned pilot hole 621 is positioned on location division 62, on guide part 61, offer two pilot holes 611, slide block 6 is slidably connected on guidepost 3 by the sheathed guidepost 3 of pilot hole 611, and pilot hole 611 forms a triangle location with pilot hole 621, avoids occurring take that the rotation that certain hole is axle center alters position.
In use, first remove sliding block 6 and centering cone piece 51, declutch shift shaft is plugged in fixed cover 2, and shift fork is enclosed within on reference column 4, then slide block 6 is set on guidepost 3 and down sliding, pilot hole 621 is enclosed within on declutch shift shaft; Centering cone piece 51 is enclosed within on reference column 4 and moves down the most at last, until centering cone piece 51 is pressed on shift fork.
Embodiment bis-:
This structure and embodiment mono-for the locating device of gearshift fork component detection is basic identical, difference is as shown in Fig. 5, Fig. 6, Fig. 7, keeper 5 comprises two steel balls 52, on reference column 4, radially offer two blind holes 41, two blind holes 41 are relative with the two ends of shift fork prong respectively, and two steel balls 52 lay respectively in two blind holes 41, are equipped with a spring 53 in blind hole 41, one end of spring 53 is pressed on the bottom surface of blind hole 41, and the other end is pressed on steel ball 52.On the openend inwall of blind hole 41, by welding, be fixed with a ring like steel wire 54, the internal diameter of ring like steel wire 54 is less than the diameter of steel ball 52.After pull-fork assembly is installed on base plate 1, reference column 4 is positioned at shift fork prong, and steel ball 52 is pressed on the inwall at shift fork prong two ends under the effect of spring 53 elastic force, prevents that shift fork and declutch shift shaft from circumferentially rotating; When pull-fork assembly takes out, ring like steel wire 54 can prevent steel ball 52 by spring 53 from the interior ejection of blind hole 41, play the position-limiting action to steel ball 52.
The using method of the locating device in the present embodiment and embodiment mono-are basic identical, and difference is that this locating device is without using centering cone piece, and directly by the sheathed reference column of shift fork, steel ball will compress shift fork automatically, realize the circumferential location of declutch shift shaft.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as base plate 1, fixed cover 2, guidepost 3, reference column 4, blind hole 41, keeper 5, centering cone piece 51, steel ball 52, spring 53, ring like steel wire 54, slide block 6, guide part 61, pilot hole 611, location division 62, pilot hole 621, riser 7 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (7)
1. the locating device for gearshift fork component detection, wherein, described pull-fork assembly to be detected comprises shift fork and declutch shift shaft, shift fork has prong, it is characterized in that, described locating device comprises a base plate (1), on described base plate (1), be fixed with a fixed cover (2) vertically plugging for the one end for declutch shift shaft, the inner ring diameter of described fixed cover (2) is consistent with the diameter of declutch shift shaft, on described base plate (1), be also vertically fixed with a reference column (4) and some guideposts (3), the upper slip cap of described some guideposts (3) is provided with a slide block (6), on described slide block (6), offer for the sheathed pilot hole (621) of the other end for declutch shift shaft, the diameter of described pilot hole (621) is consistent with the diameter of declutch shift shaft, described reference column (4) is provided with the keeper (5) for preventing that declutch shift shaft from circumferentially rotating.
2. the locating device for gearshift fork component detection according to claim 1, it is characterized in that, described keeper (5) comprises that one is set in the centering cone piece (51) on reference column (4), described centering cone piece (51) is tubular, the outer wall transition fit of the inwall of described locating cone piece (51) and described reference column (4), the external diameter of described centering cone piece (51) passes through and successively decreases successively, the maximum outside diameter of described locating cone piece (51) is greater than the minimum widith of the prong of shift fork, the minimum outer diameter of described locating cone piece (51) is less than the minimum widith of the prong of shift fork.
3. the locating device for gearshift fork component detection according to claim 1, it is characterized in that, described keeper (5) comprises two steel balls (52), on described reference column (4), radially offer two blind holes (41), described two blind holes (41) are relative with the two ends of the prong of shift fork respectively, described two steel balls (52) lay respectively in described two blind holes (41), in described each blind hole (41), be provided with a spring (53), one end of described spring (53) is pressed on the bottom surface of described blind hole (41), the other end of described spring (53) is pressed on described steel ball (52).
4. the locating device for gearshift fork component detection according to claim 3, it is characterized in that, on the inwall of the openend of described blind hole (41), by welding, be fixed with a ring like steel wire (54), the internal diameter of the annulus that described ring like steel wire (54) forms is less than the diameter of described steel ball (52).
5. according to the locating device for gearshift fork component detection described in claim 1 or 2 or 3 or 4, it is characterized in that, on described base plate (1), be also fixed with a riser (7), the height of described riser (7) is greater than shift fork to the distance of base plate (1), and described some guideposts (3) are vertically connected on the upper surface of described riser (7).
6. according to the locating device for gearshift fork component detection described in claim 1 or 2 or 3 or 4, it is characterized in that, described guidepost (3) has two.
7. the locating device for gearshift fork component detection according to claim 6, it is characterized in that, described slide block (6) comprises all guide part of rectangular bulk (61) and location division (62), described guide part (61) is perpendicular to location division (62), described pilot hole (621) is positioned on location division (62), on described guide part (61), offer two pilot holes (611), described slide block (6) is set in guidepost (3) and is slidably connected on guidepost (3) by pilot hole (611).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533506.XU CN203479280U (en) | 2013-08-29 | 2013-08-29 | Positioning device for speed changer shift fork assembly detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533506.XU CN203479280U (en) | 2013-08-29 | 2013-08-29 | Positioning device for speed changer shift fork assembly detection |
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| Publication Number | Publication Date |
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| CN203479280U true CN203479280U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320533506.XU Expired - Fee Related CN203479280U (en) | 2013-08-29 | 2013-08-29 | Positioning device for speed changer shift fork assembly detection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567577A (en) * | 2014-11-24 | 2015-04-29 | 山东蒙沃变速器有限公司 | Uniaxial stirring fork component measurement and positioning device |
| CN106289758A (en) * | 2015-06-08 | 2017-01-04 | 上汽通用五菱汽车股份有限公司 | Clutch separation rocking arm-shift fork axle-shift fork subsystem stiffness measurement device |
| CN107063599A (en) * | 2017-04-24 | 2017-08-18 | 重庆理工大学 | A kind of stiffness test method of gearshift fork |
| CN110480251A (en) * | 2019-09-11 | 2019-11-22 | 襄阳中和机电技术有限公司 | A kind of flange adapting to more specifications and steel pipe fixed-position welding device |
-
2013
- 2013-08-29 CN CN201320533506.XU patent/CN203479280U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567577A (en) * | 2014-11-24 | 2015-04-29 | 山东蒙沃变速器有限公司 | Uniaxial stirring fork component measurement and positioning device |
| CN106289758A (en) * | 2015-06-08 | 2017-01-04 | 上汽通用五菱汽车股份有限公司 | Clutch separation rocking arm-shift fork axle-shift fork subsystem stiffness measurement device |
| CN106289758B (en) * | 2015-06-08 | 2018-07-24 | 上汽通用五菱汽车股份有限公司 | Clutch separation rocking arm-shift fork axle-shift fork subsystem stiffness measurement device |
| CN107063599A (en) * | 2017-04-24 | 2017-08-18 | 重庆理工大学 | A kind of stiffness test method of gearshift fork |
| CN110480251A (en) * | 2019-09-11 | 2019-11-22 | 襄阳中和机电技术有限公司 | A kind of flange adapting to more specifications and steel pipe fixed-position welding device |
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Granted publication date: 20140312 Termination date: 20200829 |