CN104802113A - Fixture for fastening balance shaft - Google Patents
Fixture for fastening balance shaft Download PDFInfo
- Publication number
- CN104802113A CN104802113A CN201510170222.2A CN201510170222A CN104802113A CN 104802113 A CN104802113 A CN 104802113A CN 201510170222 A CN201510170222 A CN 201510170222A CN 104802113 A CN104802113 A CN 104802113A
- Authority
- CN
- China
- Prior art keywords
- trunnion shaft
- axle sleeve
- base
- fastening device
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses a fixture for fastening a balance shaft. The fixture comprises a base horizontally arranged, a first shaft sleeve, and a connecting device, wherein a through hole penetrating through upper and lower end faces is formed in the base, the first shaft sleeve is sleeved with the through hole, and the connecting device is used for connecting the first shaft sleeve and the base; a horizontal end face is arranged on the first shaft sleeve and used for placing the balance shaft and a crank case connected with the balance shaft; a vertical through hole through which the shaft end of the balance shaft can penetrate is formed in the horizontal end face, and a fixing device which extends from the horizontal end face and hinders the flying block of the balance shaft to rotate is arranged on the first shaft sleeve. Support shafts for supporting the crank case are arranged on the base and positioned at one side far away from the first shaft sleeve. Fixing holes through which bolts fixed on the ground can penetrate are formed in the base. Due to utilization of the fixture, the spring of the balance shaft can prevent from unrecoverable deformation and meanwhile abnormal sounds can be avoided when driven gears rotate.
Description
Technical field
The present invention relates to mechanical engineering technical field, particularly a kind of trunnion shaft fastening device.
Background technology
Along with the fast development of China's mechanical industry, market increases day by day for the demand of various types of frock.
We know, in numerous motorcycle component, trunnion shaft is one of parts of outbalance; Trunnion shaft needing driven gear is installed, in order to reduce the impact in running, usually needing to arrange trunnion shaft spring at driven gear place.When trunnion shaft is assembled in the process of crankcase by we, need the nut screwing clamping by being positioned at driven gear upper end, thus realize the assembling of trunnion shaft and crankcase.
In the prior art, we are in the process of clamp nut, and the driven gear of trunnion shaft can be subject to continuous print torsion; Owing to being subject to the transmission effect of torsion, cause trunnion shaft spring continue by impact compress; And the diameter of trunnion shaft spring is usually less, the free degree is longer, continued by impulsive force after may cause expendable deformation, thus after causing assembling to complete, driven gear produces abnormal sound when rotating, and affect assembly qualified rate and assembles effect.
Therefore, assembling poor effect how is avoided to be the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of trunnion shaft fastening device, this trunnion shaft fastening device can solve trunnion shaft spring by the problem of impact compress.
For achieving the above object, the invention provides a kind of trunnion shaft fastening device, comprising:
Horizontally disposed base, described base is provided with the through hole through its upper and lower end face;
The first axle sleeve be socketed with described through hole;
In order to connect the jockey of described first axle sleeve and described base;
The horizontal end face of crankcase that described first axle sleeve is provided with to place trunnion shaft and is connected with described trunnion shaft; Described horizontal end face is provided with the vertical through hole passed with the axle head for described trunnion shaft, and described first axle sleeve is provided with and protrudes from described horizontal end face, hinder the fixture flying block rotation of described trunnion shaft.
Preferably, described first axle sleeve arranges porose, and described fixture is the fixed axis that can be fixed on described hole place.
Preferably, the second axle sleeve is also provided with between described fixed axis and described hole.
Preferably, described jockey is arranged on described base near the side of described first axle sleeve and through described base and described first axle sleeve compact siro spinning technology.
Preferably, described jockey is lock-screw.
Preferably, described base is provided with the back shaft supporting described crankcase.
Preferably, described back shaft is positioned at the side away from described first axle sleeve.
Preferably, the number of described back shaft is two.
Preferably, described base is also provided with the fixing hole supplying the bolt fixed with ground to pass.
Preferably, the number of described fixing hole is two.
Relative to above-mentioned background technology, trunnion shaft fastening device provided by the invention, comprises horizontally disposed base, and base is provided with the through hole through its upper and lower end face; The first axle sleeve be socketed with through hole; In order to connect the jockey of the first axle sleeve and base; The horizontal end face of crankcase that first axle sleeve is provided with to place trunnion shaft and is connected with trunnion shaft; Horizontal end face is provided with the vertical through hole passed with the axle head for trunnion shaft, and the first axle sleeve is provided with the fixture flying block rotation protruding from horizontal end face, obstruction trunnion shaft.Adopt this setup, in assembling process, utilize the clear opening of the first axle sleeve, the axle head of trunnion shaft is vertically put into wherein, then utilize the horizontal end face of the first axle sleeve to place other positions of trunnion shaft; In addition, utilize the fixture of the first axle sleeve, the block that flies of trunnion shaft is blocked in its position, so, just can avoids the rotation of trunnion shaft, effectively ensure that the position of trunnion shaft can not change.Afterwards, when clamp nut, because nut contacts with trunnion shaft, thus trunnion shaft is caused to be subject to certain torsion; And trunnion shaft with fly block and be connected, that is, fly block and also can be subject to this torsion; Because the rotation flying block is subject to the obstruction of fixture, therefore the torsion that trunnion shaft is subject to passes to the fixture of the first axle sleeve by flying block, thus the torsion making the trunnion shaft spring on trunnion shaft no longer be subject to from producing during clamp nut, so just, protect trunnion shaft spring, and finally avoid trunnion shaft spring and occur expendable deformation; It also avoid simultaneously and cause driven gear to produce abnormal sound when rotating due to expendable deformation.
Accompanying drawing explanation
The plan structure schematic diagram of the trunnion shaft fastening device that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is A-A direction sectional structure schematic diagram in Fig. 1;
Structural representation when Fig. 3 is Fig. 2 frock.
Detailed description of the invention
Core of the present invention is to provide a kind of trunnion shaft fastening device, and this trunnion shaft fastening device can avoid trunnion shaft spring to be impacted.
In order to make those skilled in the art understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the plan structure schematic diagram of the trunnion shaft fastening device that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is A-A direction sectional structure schematic diagram in Fig. 1; Structural representation when Fig. 3 is Fig. 2 frock.
Trunnion shaft fastening device provided by the invention, comprise horizontally disposed base 1, base 1 is provided with the through hole through its upper and lower end face; The first axle sleeve 2 be socketed with through hole; In order to connect the jockey 12 of the first axle sleeve 2 and base 1; The horizontal end face of crankcase 90 that first axle sleeve 2 is provided with to place trunnion shaft 9 and is connected with trunnion shaft 9, horizontal end face is provided with vertical through hole 3, first axle sleeve 2 supplying the axle head of trunnion shaft 9 to pass and is provided with the fixture 4 flying block 91 rotation protruding from horizontal end face, hinder trunnion shaft 9.
Adopt this setup, in assembling process, utilize the clear opening 3 of the first axle sleeve 2, the axle head of trunnion shaft 9 is vertically put into wherein, then utilize the horizontal end face of the first axle sleeve 2 to place other positions of trunnion shaft 9; In addition, utilize the fixture 4 of the first axle sleeve 2, the block 91 that flies of trunnion shaft 9 is blocked in its position, so, just can avoids the rotation of trunnion shaft 9, effectively ensure that the position of trunnion shaft 9 can not change.
Afterwards, when clamp nut 99, because nut 99 contacts with trunnion shaft 9, thus trunnion shaft 9 is caused to be subject to certain torsion; And trunnion shaft 9 with fly block 91 and be connected, that is, fly block 91 and also can be subject to this torsion; Because the rotation flying block 91 is subject to the obstruction of fixture 4, therefore the torsion that trunnion shaft 9 is subject to passes to the fixture 4 of the first axle sleeve 2 by flying block 91, thus the torsion making the trunnion shaft spring 93 on trunnion shaft 9 no longer be subject to from producing during clamp nut 99, so just, protect trunnion shaft spring 93, and finally avoid trunnion shaft spring 93 and occur expendable deformation; It also avoid simultaneously and cause driven gear 92 to produce abnormal sound when rotating due to expendable deformation.
In addition, we can arrange porose at the first axle sleeve 2, and fixture 4 is the fixed axis that can be fixed on hole place.That is, the first axle sleeve 2 is provided with the fixed axis protruding from horizontal end face, fixed axis can play the object flying block 91 rotation hindering trunnion shaft 9.
Further, we can be provided with the second axle sleeve 5 between fixed axis and hole.So, just fixed axis can be fixed on reliably on the first axle sleeve 2, thus avoid the rotation of fixed axis, effectively improve quality and the efficiency of frock.Meanwhile, during due to nut 99 on fastening trunnion shaft 9, fixed axis stressed comparatively frequent, easily damages; Therefore between fixed axis and hole, be provided with the second axle sleeve 5, thus protective effect is served to the hole of the first axle sleeve 2; And fixed axis and the second axle sleeve 5 can be changed easily, be conducive to safeguarding it easily.
In addition, jockey 12 is arranged on base 1 near the side of the first axle sleeve 2 and through base 1 and the first axle sleeve 2 compact siro spinning technology.
That is, in assembling process, fix reliable to make trunnion shaft 9 and crankcase 90, the position of the first axle sleeve 2 contacted with it is often needed to maintain static, and the first axle sleeve 2 adopts with base 1 mode be socketed, we just can utilize jockey 12 to be fixed with the relative position of base 1 by first axle sleeve 2.For the ease of installing and connecting apparatus 12, jockey 12 is arranged on the side of base 1 near the first axle sleeve 2 by us, and through base 1 and the first axle sleeve 2 compact siro spinning technology, so just can installing and connecting apparatus 12 easily, thus raising efficiency of assembling.
Specifically, if the first axle sleeve 2 is near the left side of base 1, jockey 12 just can be arranged on the left side of base 1 by us, and through base 1 and the first axle sleeve 2 compact siro spinning technology; Similar, if the first axle sleeve 2 is near the right side of base 1, jockey 12 just can be arranged on the right side of base 1 by us.
In addition, jockey 12 can be set to lock-screw.That is, by lock-screw, the first axle sleeve 2 is fixed on base 1, thus ensures that relative position is between the two constant; Certainly, the number of lock-screw can be determined according to actual conditions, will repeat no more herein.Herein, jockey 12 can also be other devices, as long as can ensure being fixedly connected with of base 1 and the first axle sleeve 2.
So, after the axle head of trunnion shaft 9 vertically being put into the clear opening 3 of the first axle sleeve 2, fixed axis is utilized to hinder the rotation flying block 91, again the crankcase 90 that bearing is housed is enclosed within trunnion shaft 9, and driven gear 92 is arranged on trunnion shaft 9, again nut 99 is fastened on trunnion shaft 9, thus completes assembling process.
In addition, base 1 is provided with the back shaft 6 supporting crankcase 90.
That is, in assembling process, after the axle head of trunnion shaft 9 vertically puts into the clear opening 3 of the first axle sleeve 2, the crankcase 90 be connected with trunnion shaft 9 is in unsettled state usually, in order to fixed crankshaft case 90 simply and effectively, we arrange back shaft 6 on base 1, thus ensure that the position of crankcase 90 is fixed.As a rule, back shaft 6 is positioned at the side away from the first axle sleeve 2.Specifically, trunnion shaft 9 is generally in the position of crankcase 90 side, be not positioned at the central authorities of crankcase 90, therefore, in assembling process, after trunnion shaft 9 is fixing, the crankcase 90 of back shaft 6 side is often in vacant state, therefore utilize the back shaft 6 pairs of crankcases 90 be positioned at away from the side of the first axle sleeve 2 to support, ensure that the position of crankcase 90 is fixed.
Certainly, the number of back shaft 6 can be set to two.That is, two back shafts, the 6 pairs of crankcases 90 utilizing position different support, and so just effectively can guarantee the position of crankcase 90, thus improve frock quality.Certainly, according to actual condition, the number of back shaft 6 can be other numbers, will repeat no more herein.
In addition, base 1 is also provided with the fixing hole 7 supplying the bolt fixed with ground to pass.That is, reliable in order to ensure fixing of base 1, usually need base 1 to be fixed on ground, wherein general mode is exactly mode with bolts, therefore we are provided with fixing hole 7 on base 1, pass for bolt, thus are fixed reliably in base 1 and ground.
Herein, fixing hole 7 is set to two by us, namely adopts two bolts to be each passed through two different fixing holes 7, base 1 is fixed on ground; Certainly, we can also adopt the bolt of other numbers, and the number of fixing hole 7 also should change accordingly, will repeat no more herein.
Above trunnion shaft fastening device provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a trunnion shaft fastening device, is characterized in that, comprising:
Horizontally disposed base, described base is provided with the first through hole through its upper and lower end face;
The first axle sleeve be socketed with described first through hole;
In order to connect the jockey of described first axle sleeve and described base;
The horizontal end face of crankcase that described first axle sleeve is provided with to place trunnion shaft and is connected with described trunnion shaft; Described horizontal end face is provided with the vertical through hole passed with the axle head for described trunnion shaft, and described first axle sleeve is provided with and protrudes from described horizontal end face, hinder the fixture flying block rotation of described trunnion shaft.
2. trunnion shaft fastening device according to claim 1, is characterized in that, described first axle sleeve arranges porose, and described fixture is the fixed axis that can be fixed on described hole place.
3. trunnion shaft fastening device according to claim 2, is characterized in that, is also provided with the second axle sleeve between described fixed axis and described hole.
4. trunnion shaft fastening device according to claim 1, is characterized in that, described jockey is arranged on described base near the side of described first axle sleeve and through described base and described first axle sleeve compact siro spinning technology.
5. trunnion shaft fastening device according to claim 4, is characterized in that, described jockey is lock-screw.
6. trunnion shaft fastening device according to claim 1, is characterized in that, described base is provided with the back shaft supporting described crankcase.
7. trunnion shaft fastening device according to claim 6, is characterized in that, described back shaft is positioned at the side away from described first axle sleeve.
8. trunnion shaft fastening device according to claim 7, is characterized in that, the number of described back shaft is two.
9. trunnion shaft fastening device according to claim 1, is characterized in that, described base is also provided with the fixing hole supplying the bolt fixed with ground to pass.
10. trunnion shaft fastening device according to claim 9, is characterized in that, the number of described fixing hole is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170222.2A CN104802113B (en) | 2015-04-10 | 2015-04-10 | A kind of balance axle fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170222.2A CN104802113B (en) | 2015-04-10 | 2015-04-10 | A kind of balance axle fastening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104802113A true CN104802113A (en) | 2015-07-29 |
| CN104802113B CN104802113B (en) | 2016-09-14 |
Family
ID=53687519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510170222.2A Expired - Fee Related CN104802113B (en) | 2015-04-10 | 2015-04-10 | A kind of balance axle fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104802113B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834979A (en) * | 2016-05-30 | 2016-08-10 | 浙江恒齿传动机械有限公司 | Fixture having bearing protecting function and used for assembling D-series speed reducer |
| CN108127598A (en) * | 2016-11-30 | 2018-06-08 | 宁波方太厨具有限公司 | A kind of synchronous positioning clamping device |
| CN109676551B (en) * | 2019-01-24 | 2024-02-02 | 重庆白云化工研究所 | Positioning device and assembly fixture for balance shaft and gear |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2709706Y (en) * | 2004-07-03 | 2005-07-13 | 翁光敏 | Balance axle mechanism of motor |
| KR20080081443A (en) * | 2007-03-05 | 2008-09-10 | 주식회사 정립 | A jig for fixing to cam shaft pulley and time belt using automobile engine |
| CN201208698Y (en) * | 2008-06-23 | 2009-03-18 | 杜江 | Phase point location fixture for assembling balancing shaft |
| CN201950249U (en) * | 2011-03-31 | 2011-08-31 | 铜陵固态照明有限公司 | Balance shaft housing drilling fixture |
| CN202264057U (en) * | 2011-10-12 | 2012-06-06 | 大连创新齿轮箱制造有限公司 | Assembling fixture for balance shaft and gear |
| CN104308507A (en) * | 2014-08-30 | 2015-01-28 | 长城汽车股份有限公司 | Press fitting device for timing gear of engine balance shaft |
| CN204154242U (en) * | 2014-10-22 | 2015-02-11 | 重庆长安汽车股份有限公司 | A kind of balancing shaft equipment adjustment frock |
| CN204546377U (en) * | 2015-04-10 | 2015-08-12 | 力帆实业(集团)股份有限公司 | A kind of trunnion shaft fastening device |
-
2015
- 2015-04-10 CN CN201510170222.2A patent/CN104802113B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2709706Y (en) * | 2004-07-03 | 2005-07-13 | 翁光敏 | Balance axle mechanism of motor |
| KR20080081443A (en) * | 2007-03-05 | 2008-09-10 | 주식회사 정립 | A jig for fixing to cam shaft pulley and time belt using automobile engine |
| CN201208698Y (en) * | 2008-06-23 | 2009-03-18 | 杜江 | Phase point location fixture for assembling balancing shaft |
| CN201950249U (en) * | 2011-03-31 | 2011-08-31 | 铜陵固态照明有限公司 | Balance shaft housing drilling fixture |
| CN202264057U (en) * | 2011-10-12 | 2012-06-06 | 大连创新齿轮箱制造有限公司 | Assembling fixture for balance shaft and gear |
| CN104308507A (en) * | 2014-08-30 | 2015-01-28 | 长城汽车股份有限公司 | Press fitting device for timing gear of engine balance shaft |
| CN204154242U (en) * | 2014-10-22 | 2015-02-11 | 重庆长安汽车股份有限公司 | A kind of balancing shaft equipment adjustment frock |
| CN204546377U (en) * | 2015-04-10 | 2015-08-12 | 力帆实业(集团)股份有限公司 | A kind of trunnion shaft fastening device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834979A (en) * | 2016-05-30 | 2016-08-10 | 浙江恒齿传动机械有限公司 | Fixture having bearing protecting function and used for assembling D-series speed reducer |
| CN108127598A (en) * | 2016-11-30 | 2018-06-08 | 宁波方太厨具有限公司 | A kind of synchronous positioning clamping device |
| CN109676551B (en) * | 2019-01-24 | 2024-02-02 | 重庆白云化工研究所 | Positioning device and assembly fixture for balance shaft and gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104802113B (en) | 2016-09-14 |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20200410 |