CN103600131A - Gear shaft locating mechanism - Google Patents
Gear shaft locating mechanism Download PDFInfo
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- CN103600131A CN103600131A CN201310484457.XA CN201310484457A CN103600131A CN 103600131 A CN103600131 A CN 103600131A CN 201310484457 A CN201310484457 A CN 201310484457A CN 103600131 A CN103600131 A CN 103600131A
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- gear shaft
- locating
- hole
- backstay
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Abstract
The invention provides a gear shaft locating mechanism. The gear shaft locating mechanism comprises a locating block, the locating block is provided with a through hole, a locating rod can be vertically movably inserted in the through hole, the upper end of the locating rod extends out of the through hole, the top of the locating rod is provided with a spherical locating head, the middle of a lever is hinged to a hinged supporting point, one end of the lever abuts against the lower end of the locating rod, and the other end of the lever abuts against a measuring rod of a dial gage. When the gear shaft locating mechanism is in use, users only need to insert the spherical locating head positioned on the locating rod in a tooth groove of a gear part of a gear shaft; when the spherical locating head is inserted in the deepest position of the tooth groove, two side edges of the tooth groove are in contact with the spherical locating head to indicate that the tooth groove is located at the middle position and is in bilateral symmetry, the position can serve as a locating reference of the gear shaft, the users only need to fix the gear shaft at the time so that a spline part can be processed extremely conveniently, the phase angle requirements of the gear part and the spline part of the gear shaft can be effectively met, and processing quality of the gear shaft can be effectively guaranteed.
Description
Technical field
The present invention relates to a kind of detent mechanism, particularly a kind of mechanism man-hour gear shaft being positioned that adds at gear shaft.
Background technology
Automobile steering system mainly comprises steering wheel, power shaft, torque arm and power steering hydraulic system.The power steering valve of power steering hydraulic system comprises valve pocket and valve two parts, on valve pocket and spool, be equipped with oilhole, the oilhole of valve pocket and diverse location on spool is interconnected and can forms the different closed circuit of flow direction, 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.Steering wheel is connected with torque arm by power shaft, and the other end of torque arm is connected with gear shaft, and gear shaft coordinates with the steering rack of wheel.When rotating steering wheel, moment of torsion is passed on torque arm by power shaft, and torque arm passes to tooth bar by gear shaft, makes tooth bar side-to-side movement drive wheel steering.
Gear shaft is the critical component of automobile steering system, one end of gear shaft is gear part, the other end is spline part, between the spline of gear shaft upper spline portion and the tooth in gear part, there is strict phase angle requirement, if will affect the quality of gear shaft when the phase angle deviation of tooth is larger in gear shaft upper spline portion's spline and gear part.The first machining gears of general meeting portion in the production process of gear shaft, and then according to gear part processing spline part.Because gear shaft is originally as circumferential, its location is difficulty comparatively, the location of circumferencial direction particularly, operate all very loaded down with trivial details of existing positioner, and the accurate location that is difficult to realize the teeth groove angle in gear part, will bring certain influence to the processing of spline part like this, make the spline part of processing and the phase angle between gear part have error, affect the quality of gear shaft.
Summary of the invention
The shortcoming of prior art, the object of the present invention is to provide a kind of pinpoint detent mechanism of teeth groove angle on gear shaft of realizing in view of the above.
For achieving the above object and other relevant objects, the invention provides a kind of gear shaft positioning mechanism, it comprises: a positioning block, and described locating piece is provided with a through hole; A positioning rod, described backstay is moving up and down to be inserted in described through hole, and the lower end of described backstay is positioned at described through hole, and described through hole is stretched out in the upper end of described backstay, and the top of described backstay is provided with a spherical positioning head; One dial gauge, described dial gauge is fixedly installed; One lever, described lever middle part is hinged point articulated with one, and one end of described lever is resisted against the lower end of described backstay, and the other end of described lever is resisted against on the measuring stick of described dial gauge.
Preferably, described dial gauge is fixed on a plate, and described connecting plate is fixedly connected with described locating piece.
Preferably, described backstay comprises a large-diameter portion and a minor diameter part, and described large-diameter portion is positioned at the top of described minor diameter part, described minor diameter part is positioned at described through hole, on described minor diameter part, cover has a spring, in described through hole, is provided with limited step, and the lower end abutment of described spring is on described limited step.
Preferably, the top of described backstay is provided with a supporting seat, and described spherical positioning head is rotatable to be embedded in described supporting seat.
As mentioned above, gear shaft positioning mechanism of the present invention has following beneficial effect: this gear shaft positioning mechanism only need be found the spherical positioning head on backstay in use gear shaft and cog in the teeth groove of portion, when spherical positioning head is inserted into deep-seated in teeth groove and puts, the dual-side of teeth groove all contacts with spherical place kick, show that this teeth groove is positioned at position, middle and symmetrical, positioning datum that can be using this position as gear shaft, now only gear shaft just need be fixed and can to spline part, process very easily, and can guarantee effectively to guarantee the cog phase angle requirement of portion and spline part of gear shaft, can effectively guarantee the crudy of gear shaft.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention uses state.
Element numbers explanation
The specific embodiment
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 description below.
Refer to Fig. 1.Notice, appended graphic the illustrated structure of this description, ratio, size etc., equal contents in order to coordinate description to disclose only, for person skilled in the art scholar, understand and read, 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 object that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this description, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " 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 being also considered as the enforceable category of the present invention.
As shown in Figure 1, the invention provides a kind of gear shaft positioning mechanism, this gear shaft positioning mechanism comprises a positioning block 1, and locating piece 1 is provided with a through hole 11.In through hole 11, be interspersed with a positioning rod 3, backstay 3 can move up and down in through hole 11, and the lower end of backstay 3 is inserted in this through hole 11, and through hole 11 is stretched out in the upper end of backstay 3, is provided with a spherical positioning head 33 at the top of backstay 3.A side at locating piece 1 is also provided with a dial gauge 2, and dial gauge 2 is fixed on connecting plate 6, and connecting plate 6 is fixedly connected with locating piece 1, and the measuring stick 21 of dial gauge 2 stretches out downwards through connecting plate 6.Below locating piece 1, dial gauge 2, be also provided with a lever 5, the middle part of lever 5 is by a bearing pin and hinged point articulated, the lower end abutment of one end of lever 5 and backstay 3, the measuring stick 21 of the other end of lever 5 and dial gauge 2 against.
This detent mechanism in use, spherical positioning head 33 on backstay 3 is extend in a teeth groove of gear shaft 7 gear part, general gear shaft is positioned at the top of backstay 3, then rotary teeth wheel shaft 7, if the position of spherical positioning head 33 is not when the position, middle of teeth groove, backstay 3 can be pressed down certain distance by the sidewall of teeth groove, backstay 3 moves down and drives one end of lever 5 to move down, the other end of lever 5 measuring stick 21 that promotes dial gauge 2 that will move up moves up like this, by observing the reading of dial gauge 2, just can judge that spherical positioning head 33 extend into the position of teeth groove like this, the reading of dial gauge 2 hour, spherical positioning head 33 just extend into the middle of teeth groove.Positioning datum that now can be using this position as gear shaft, is fixed gear shaft just and can to spline part, processes very easily.
As a preferred embodiment of the present invention, backstay 3 comprises a large-diameter portion 31 and a minor diameter part 32, large-diameter portion 31 is positioned at the top of minor diameter part 32, and minor diameter part 32 is positioned at through hole 11, and on minor diameter part 32, cover has a spring 4, in through hole 11, be provided with limited step, the lower end abutment of spring 4 is on limited step, and upper end is resisted against on the lower surface of large-diameter portion 31, like this under the elastic force effect of spring 4, backstay 3 can move up automatically, and spherical positioning head 33 is abutted on the sidewall of teeth groove in real time.In order to reduce friction, a supporting seat can be set at the top of backstay 3, be stuck in this supporting seat spherical positioning head 33 is rotatable, be convenient to so spherical positioning head 33 and slide in teeth groove, make spherical positioning head 33 more easily be embedded in the middle of teeth groove.
This gear shaft positioning mechanism only need be found the spherical positioning head on backstay in use gear shaft and cog in the teeth groove of portion, when spherical positioning head is inserted into deep-seated in teeth groove and puts, the dual-side of teeth groove all contacts with spherical place kick, show that this teeth groove is positioned at position, middle and symmetrical, positioning datum that can be using this position as gear shaft, now only gear shaft just need be fixed and can to spline part, process very easily, and can guarantee effectively to guarantee the cog phase angle requirement of portion and spline part of gear shaft, can effectively guarantee the crudy of gear shaft.So the present invention has effectively overcome various shortcoming of the prior art and 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, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (4)
1. a gear shaft positioning mechanism, is characterized in that, it comprises:
A positioning block, described locating piece is provided with a through hole;
A positioning rod, described backstay is moving up and down to be inserted in described through hole, and the lower end of described backstay is positioned at described through hole, and described through hole is stretched out in the upper end of described backstay, and the top of described backstay is provided with a spherical positioning head;
One dial gauge, described dial gauge is fixedly installed;
One lever, described lever middle part is hinged point articulated with one, and one end of described lever is resisted against the lower end of described backstay, and the other end of described lever is resisted against on the measuring stick of described dial gauge.
2. gear shaft positioning mechanism according to claim 1, is characterized in that: described dial gauge is fixed on a plate, and described connecting plate is fixedly connected with described locating piece.
3. gear shaft positioning mechanism according to claim 1, it is characterized in that: described backstay comprises a large-diameter portion and a minor diameter part, described large-diameter portion is positioned at the top of described minor diameter part, described minor diameter part is positioned at described through hole, on described minor diameter part, cover has a spring, in described through hole, be provided with limited step, the lower end abutment of described spring is on described limited step.
4. gear shaft positioning mechanism according to claim 1, is characterized in that: the top of described backstay is provided with a supporting seat, and described spherical positioning head is rotatable to be embedded in described supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484457.XA CN103600131A (en) | 2013-10-16 | 2013-10-16 | Gear shaft locating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484457.XA CN103600131A (en) | 2013-10-16 | 2013-10-16 | Gear shaft locating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103600131A true CN103600131A (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310484457.XA Pending CN103600131A (en) | 2013-10-16 | 2013-10-16 | Gear shaft locating mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN103600131A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930955A (en) * | 2015-03-17 | 2015-09-23 | 成都飞机工业（集团）有限责任公司 | Direct tooth profile central angle deviation detection device |
| CN106743918A (en) * | 2016-12-28 | 2017-05-31 | 江苏建丰装饰纸有限公司 | Integrated anti-warping finishing equipment for wear-resistant decorative paper |
| CN108637403A (en) * | 2018-05-15 | 2018-10-12 | 杭州世宝汽车方向机有限公司 | A kind of fan tooth positioning apparatus for circumferential direction and the fixture comprising the device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1733911A1 (en) * | 1990-04-06 | 1992-05-15 | Ташкентский Политехнический Институт Им.А.Р.Бируни | Method of checking a gear tooth profile |
| CN201309034Y (en) * | 2008-12-17 | 2009-09-16 | 天津市精诚机床制造有限公司 | Workpiece positioning and discriminating device of gear chamfering machine |
| CN201392162Y (en) * | 2009-04-10 | 2010-01-27 | 中国重汽集团济南动力有限公司 | Upper tooth or tooth slot position detecting tool on gear shaft |
| CN201909607U (en) * | 2010-08-17 | 2011-07-27 | 浙江中马汽车变速器股份有限公司 | Checking fixture for angle of gear |
| CN203185073U (en) * | 2013-04-17 | 2013-09-11 | 中国北车集团大同电力机车有限责任公司 | Tool setting gauge of machine tool |
| CN203566002U (en) * | 2013-10-16 | 2014-04-30 | 格林精密部件(苏州)有限公司 | Gear shaft positioning mechanism |
-
2013
- 2013-10-16 CN CN201310484457.XA patent/CN103600131A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1733911A1 (en) * | 1990-04-06 | 1992-05-15 | Ташкентский Политехнический Институт Им.А.Р.Бируни | Method of checking a gear tooth profile |
| CN201309034Y (en) * | 2008-12-17 | 2009-09-16 | 天津市精诚机床制造有限公司 | Workpiece positioning and discriminating device of gear chamfering machine |
| CN201392162Y (en) * | 2009-04-10 | 2010-01-27 | 中国重汽集团济南动力有限公司 | Upper tooth or tooth slot position detecting tool on gear shaft |
| CN201909607U (en) * | 2010-08-17 | 2011-07-27 | 浙江中马汽车变速器股份有限公司 | Checking fixture for angle of gear |
| CN203185073U (en) * | 2013-04-17 | 2013-09-11 | 中国北车集团大同电力机车有限责任公司 | Tool setting gauge of machine tool |
| CN203566002U (en) * | 2013-10-16 | 2014-04-30 | 格林精密部件(苏州)有限公司 | Gear shaft positioning mechanism |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930955A (en) * | 2015-03-17 | 2015-09-23 | 成都飞机工业（集团）有限责任公司 | Direct tooth profile central angle deviation detection device |
| CN106743918A (en) * | 2016-12-28 | 2017-05-31 | 江苏建丰装饰纸有限公司 | Integrated anti-warping finishing equipment for wear-resistant decorative paper |
| CN106743918B (en) * | 2016-12-28 | 2018-01-30 | 江苏建丰装饰纸有限公司 | Integrated anti-warping finishing equipment for wear-resistant decorative paper |
| CN108637403A (en) * | 2018-05-15 | 2018-10-12 | 杭州世宝汽车方向机有限公司 | A kind of fan tooth positioning apparatus for circumferential direction and the fixture comprising the device |
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Application publication date: 20140226 |