CN102490045A - Fixture for drilling differential lock pressure switch holes and ventilation hole inclined holes of intermediate and rear axle housing assemblies of automobile - Google Patents
Fixture for drilling differential lock pressure switch holes and ventilation hole inclined holes of intermediate and rear axle housing assemblies of automobile Download PDFInfo
- Publication number
- CN102490045A CN102490045A CN2011104377338A CN201110437733A CN102490045A CN 102490045 A CN102490045 A CN 102490045A CN 2011104377338 A CN2011104377338 A CN 2011104377338A CN 201110437733 A CN201110437733 A CN 201110437733A CN 102490045 A CN102490045 A CN 102490045A
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- axle housing
- flap
- rear axle
- assembly
- pressure switch
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Abstract
The invention discloses a fixture for drilling differential lock pressure switch holes and ventilation hole inclined holes of intermediate and rear axle housing assemblies of an automobile. The fixture comprises a base and a rotating plate assembly which is arranged on the base and used for fixing the intermediate and rear axle housing assemblies, wherein a shell is arranged on the top of the base; a main shaft is arranged in the shell; one end of the main shaft is connected with the rotating plate assembly, and the other end of the main shaft is connected with a rotating counterweight mechanism; and the rotating counterweight mechanism comprises a counterweight disc sleeved at one end of the main shaft, and counterweight blocks arranged on the edges of the counterweight disc. The rotating counterweight mechanism for balancing axle housings and the rotating plate assembly is arranged behind the base, so that the axle housings can be easily rotated to inclined hole machining angles on the common radial drilling machine by a single person only through the counterweight device of the fixture.
Description
Technical field
The present invention relates to rear axle housing assembly field of machining in the automobile, specifically is rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in a kind of automobile.
Background technology
The requirement on machining accuracy in the differential lock pressure switch hole of middle rear axle housing assembly is higher, and the Working position skew can directly cause the axle assembly pressure switch to contact, and differential lock breaks down.The prism of this hole rear axle housing in distribution, the datum level of processing location is distributed in the three dimensions plane location difficulty with it; It is very high to add rotation in man-hour and position, hole dimensional requirement; In order to improve working (machining) efficiency, take into account the requirement of product quality and manufacturing schedule, simultaneously because the design feature of middle rear axle housing assembly; Brill differential lock pressure switch hole operation has great influence for the quality of production and the progress of part, thereby the design of boring clamp for machining has been proposed very high requirement.In rear axle housing assembly differential lock pressure switch hole and passage combination drill anchor clamps are a kind of standardization, seriation, the generalization degree is very high technological equipment.The components accuracy of built-up jig is high, wear-resisting, and has realized exchanging fully, and anchor clamps parts precision is generally IT6～IT7 level.The rear axle housing assembly positional precision generally can reach IT8～IT9 level in all kinds of many kinds of processing.Because middle rear axle housing assembly differential lock pressure switch hole and passage are in the right ends side of middle rear axle housing assembly; Add and need the angle that the axle case assy left rotation and right rotation is certain man-hour; The middle heavier anchor clamps detent mechanism gross weight that adds of rear axle housing assembly self reaches more than 500 kilogram; Realize that rotation needs to adopt the motor-driven rotation, relate to component parts such as electrical equipment, gear, this clamp structure is complicated, volume is bigger.The position opposite in middle axle case assy and this two hole of rear axle housing assembly could realize processing owing to rear axle housing assembly in the bushing plate interference need design two sleeve clamps respectively.The at present domestic axle assembly special manufacturer that is engaged in vehicle bridge production, the differential lock pressure switch hole of middle rear axle housing assembly and the production of passage inclined hole mainly are to rely on Digit Control Machine Tool or combination special plane to realize processing, the processing cost height, efficient is low.
Summary of the invention
The technical problem that the present invention will solve provides rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in a kind of automobile, realizes that many kinds axle case assy is single on plain radial drilling machine easily to accomplish processing with manpower.
Technical scheme of the present invention is:
Rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile; Include support and the flap assembly that is used for fixing middle rear axle housing assembly that is arranged on the support; The top of described support is provided with shell, is provided with main shaft in the shell, and an end of described main shaft is connected with the flap assembly; The other end is connected with the rotation balance weight mechanism, and described rotation balance weight mechanism includes the balancing disk that is set on main shaft one end and is arranged at the balancing weight on the balancing disk edge.
The described flap assembly that is arranged on the support comprises the flap that is connected with main shaft, is arranged at the packaged type left side locating rack assembly and the right locating rack assembly of packaged type at flap both ends respectively, the right locating rack assembly of packaged type left side locating rack assembly and packaged type include positioning disk, respectively be arranged at the upper and lower end of positioning disk last locating rack and following locating rack, be arranged at the locating piece that bottom on the locating rack is stretched to the pressing handle of clamping section between locating rack and the following locating rack and is arranged at down the locating rack upper surface.
The top, middle part of described support is provided with two eccentric bit shell type bushing plate assemblies, and two eccentric bit shell type bushing plate assemblies comprise eccentric bit shell type bushing plate and the drill jig cover that is arranged in the eccentric bit shell type bushing plate draw-in groove.
Described shell comprises and covers, is connected to the protecgulum and the bonnet that cover front-end and back-end, passes through between lid, protecgulum, bonnet and the main shaft and forms oil pocket, is provided with bearing in the oil pocket, covers thoroughly to be provided with the priming cup that is communicated with oil pocket.
Described balancing weight is four, and evenly distributed and arranged is in the edge of balancing disk.
Described support is provided with orthogonal located lateral cover and vertical positioning sleeve; Be provided with the flap locating shaft that stretches out at two ends in the located lateral cover; Be provided with the location of stretching out at two ends in the vertical positioning sleeve and promote, an end of flap locating shaft is connected with the flap position fixing handle, and the other end is connected with fork; The bottom of fork is connected with the end that promote the location, and the other end that promote the location is connected with the flap of flap assembly.
The middle part of the flap of said flap assembly is provided with the locating shaft that is used for fixing axle housing card endoporus.
Described main shaft is provided with handle.
The upper/lower terminal of the flap of described flap assembly is provided with draw-in groove, is provided with the location pushing sleeve in the described draw-in groove, and described location is promoted and is sticked in the pushing sleeve of location.
Advantage of the present invention:
(1), inclined hole processing in axle housing both sides needs left rotation and right rotation; The front that is configured to support of anchor clamps is provided with the flap assembly; Middle rear axle housing assembly is positioned on the flap through the locating rack assembly; More than 500 kilogram of axle housing and flap assembly gross weight are provided with the rotation balance weight mechanism of balance axle housing and flap assembly in the back of support.The balancing weight of rotation balance weight mechanism can be adjusted the counterweight processing with the middle rear axle housing that adapts to different cultivars and weight on balancing disk; Bearing seal is housed on the main shaft in the pedestal oil pocket; Through the charging machine oil lubrication; Guaranteed anchor clamps only through anchor clamps self counter weight device, can be implemented in and singlely on the plain radial drilling machine easily rotate axle housing to inclined hole machining angle with manpower.Anchor clamps adopt this kind design to need not to adopt external impetus to realize rotation; Be implemented on the plain radial drilling machine and process; Environmental requirement to processing site is not high, relatively be suitable for the four seasons temperature difference more greatly, on every side electric power difficult arrangement, iron filings, dust more, add man-hour with abominable work condition environment processing such as cutting fluid processing, safe ready, simple in structure; Safeguard easily, cheap for manufacturing cost;
(2), isonomic middle rear axle housing assembly has multiple length overalls such as 2035mm, 2055mm, 2065mm, 2075mm, 2095mm; In order to adapt to the processing of different length overall axle housings; Anchor clamps mainly are provided with packaged type locating rack assembly through the two ends at flap; Can prolong the position length of flap, realize the location processing of rear axle housing assembly in the different length overalls;
(3), there are asymmetric differential lock pressure switch hole and the processing of passage inclined hole in the rear axle housing assembly left and right sides; Middle this two hole site of axle case assy and this two hole site of rear axle housing assembly are in the opposite direction; The distance especially little the easy interference again because position in hole, the middle rear axle housing left and right sides is different; Can't process simultaneously, axle case assy and rear axle housing assembly are done a sleeve clamp respectively and could be processed in needing.These anchor clamps are through two eccentric bit shell type bushing plates about designing on the clamp body; The configuration centering type can change the drill jig cover on the bushing plate; The differential lock pressure switch hole of axle case assy and rear axle housing assembly in processing respectively; Realized the drill jig modularization, processing only needs to change all kinds of drill jig covers, is applicable to the processing of rear axle housing assembly in the various kinds.The differential lock pressure switch hole, the left and right sides and the passage inclined hole of middle axle case assy, rear axle housing assembly all can be processed on this sleeve clamp, have solved problems such as production line need dispose many bench drills and the logistics of anchor clamps processing site is crowded, and the equipment multiple footprint is big.
The present invention is according to the processing characteristic and the requirement of using the scene of product; Use the manpower machine driving significantly to reduce the manufacturing expense of anchor clamps; Simple in structure; Easy to maintenance, be fit to the middle axle case assy of many kinds and the processing of rear axle housing assembly, set of applications combination principle; Be designed with packaged type locating rack assembly and solve required location and the clamping of rear axle housing assembly processing in all kinds of different length overalls; The position that is designed with interchangeable drill jig cover change machining hole can obtain the Working position of middle axle case assy and position, different hole, side, rear axle housing assembly two ends, enlarges the purpose of producing in batches, shortening non-cutting time, enhance productivity to reach, and rear axle housing assembly provides technical foundation in many kinds for flexibility is processed.
Description of drawings
Fig. 1 is a utilization structure sketch map of the present invention.
Fig. 2 is the cutaway view of A-A among Fig. 1.
Fig. 3 is the structural representation of flap assembly of the present invention.
Fig. 4 is the structural representation of eccentric bit shell type bushing plate assembly.
The specific embodiment
See Fig. 1, Fig. 2; Rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile; Include support 1, be arranged at the shell on support 1 top, be arranged at main shaft 2 in the shell, be arranged at handle 8 that is used for rotating spindle 2 on the main shaft 2 and the flap assembly that is used for fixing rear axle housing assembly that is connected with main shaft 2 and rotate balance weight mechanism; See Fig. 4, the top, middle part of support 1 is provided with two eccentric bit shell type bushing plate assemblies, and two eccentric bit shell type bushing plate assemblies comprise eccentric bit shell type bushing plate 9 and the drill jig cover 10 that is arranged in eccentric bit shell type bushing plate 9 draw-in grooves; Shell comprises and covers 3, is connected to the protecgulum 4 and the bonnet 5 that cover 3 front-end and back-end, covers 3 thoroughly, forms oil pocket between protecgulum 4, bonnet 5 and the main shaft 2, is provided with bearing 6 in the oil pocket, covers 3 thoroughly and is provided with the priming cup 7 that is communicated with oil pocket;
See Fig. 3; The flap assembly comprises the flap 11 that is connected with main shaft 2 one ends, be arranged at flap 11 middle parts is used for fixing the locating shaft 12 of axle housing card endoporus, is arranged at the packaged type left side locating rack assembly 13 and the right locating rack assembly 14 of packaged type at flap 11 both ends respectively, the right locating rack assembly 14 of packaged type left side locating rack assembly 13 and packaged type include positioning disk 15, respectively be arranged at positioning disk 15 upper and lower ends last locating rack 16 and following locating rack 17, be arranged at bottom on the locating rack 16 and stretch to the pressing handle 18 of clamping section between locating rack and the following locating rack, be arranged at down the locating piece 19 of locating rack 17 upper surfaces and be arranged at the location pushing sleeve 20 of the upper/lower terminal of flap 11;
See Fig. 2, the rotation balance weight mechanism comprises the balancing disk 21 and even four balancing weights 22 of distributed and arranged on balancing disk 21 edges that is set on main shaft 2 other ends;
See Fig. 1, Fig. 2; Support 1 is provided with orthogonal located lateral cover 23 and vertical positioning sleeve 24, is provided with the flap locating shaft 25 that stretches out at two ends in the located lateral cover 23, is provided with the location of stretching out at two ends in the vertical positioning sleeve 24 and promotes 26; One end of flap locating shaft 25 is connected with flap position fixing handle 27; The other end is connected with fork 28, and the bottom of fork 28 is connected with an end of location distribution 26, and the other end of location distribution 26 plugs together with location pushing sleeve 20 and is connected.
Use principle of the present invention:
Middle rear axle housing assembly is hung on the flap assembly; Length overall adjustment packaged type left side locating rack assembly 13 and the right locating rack assembly 14 of packaged type according to the different cultivars axle case assy; Assurance axle housing spindle nose bearing guard is located on locating piece 19; Locating shaft 12 location axle housing card endoporus rotatably compress handle 18 and compress axle housing.Stir flap position fixing handle 27; Location tapered sleeve 20 on location taper pin 26 and the flap assembly is broken away from; Manually rotate flap 11 then; Under the effect of the rotation balance weight mechanism (see figure 2) of being made up of main shaft 2, balancing disk 21 and balancing weight 22, rotation flap assembly makes processing work rotate to Working position, and location taper pin 26 inserts in the pushing sleeve 20 of location; Put down eccentric bit shell type bushing plate 9 at last, put into the drill jig cover 10 corresponding and can process axle case assy the right and left differential lock pressure switch hole and passage with converted products.
Claims (9)
1. rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile; Include support and the flap assembly that is used for fixing middle rear axle housing assembly that is arranged on the support; It is characterized in that: the top of described support is provided with shell; Be provided with main shaft in the shell; One end of described main shaft is connected with the flap assembly, and the other end is connected with the rotation balance weight mechanism, and described rotation balance weight mechanism includes the balancing disk that is set on main shaft one end and is arranged at the balancing weight on the balancing disk edge.
2. rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile according to claim 1; It is characterized in that: the described flap assembly that is arranged on the support comprises the flap that is connected with main shaft, is arranged at the packaged type left side locating rack assembly and the right locating rack assembly of packaged type at flap both ends respectively, the right locating rack assembly of packaged type left side locating rack assembly and packaged type include positioning disk, respectively be arranged at the upper and lower end of positioning disk last locating rack and following locating rack, be arranged at the locating piece that bottom on the locating rack is stretched to the pressing handle of clamping section between locating rack and the following locating rack and is arranged at down the locating rack upper surface.
3. rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile according to claim 1; It is characterized in that: the top, middle part of described support is provided with two eccentric bit shell type bushing plate assemblies, and two eccentric bit shell type bushing plate assemblies comprise eccentric bit shell type bushing plate and the drill jig cover that is arranged in the eccentric bit shell type bushing plate draw-in groove.
4. rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile according to claim 1; It is characterized in that: described shell comprises and covers, is connected to the protecgulum and the bonnet that cover front-end and back-end; Pass through between lid, protecgulum, bonnet and the main shaft and form oil pocket; Be provided with bearing in the oil pocket, cover thoroughly and be provided with the priming cup that is communicated with oil pocket.
5. rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile according to claim 1, it is characterized in that: described balancing weight is four, evenly distributed and arranged is in the edge of balancing disk.
6. rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile according to claim 2; It is characterized in that: described support is provided with orthogonal located lateral cover and vertical positioning sleeve; Be provided with the flap locating shaft that stretches out at two ends in the located lateral cover; Be provided with the location of stretching out at two ends in the vertical positioning sleeve and promote, an end of flap locating shaft is connected with the flap position fixing handle, and the other end is connected with fork; The bottom of fork is connected with the end that promote the location, and the other end that promote the location is connected with the flap of flap assembly.
7. rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile according to claim 2, it is characterized in that: the middle part of the flap of said flap assembly is provided with the locating shaft that is used for fixing axle housing card endoporus.
8. rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile according to claim 4, it is characterized in that: described main shaft is provided with handle.
9. rear axle housing assembly differential lock pressure switch hole and passage inclined hole drill jig in the automobile according to claim 6; It is characterized in that: the upper/lower terminal of the flap of described flap assembly is provided with draw-in groove; Be provided with the location pushing sleeve in the described draw-in groove, described location is promoted and is sticked in the pushing sleeve of location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110437733 CN102490045B (en) | 2011-12-23 | 2011-12-23 | Fixture for drilling differential lock pressure switch holes and ventilation hole inclined holes of intermediate and rear axle housing assemblies of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110437733 CN102490045B (en) | 2011-12-23 | 2011-12-23 | Fixture for drilling differential lock pressure switch holes and ventilation hole inclined holes of intermediate and rear axle housing assemblies of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102490045A true CN102490045A (en) | 2012-06-13 |
| CN102490045B CN102490045B (en) | 2013-06-19 |
Family
ID=46181928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110437733 Expired - Fee Related CN102490045B (en) | 2011-12-23 | 2011-12-23 | Fixture for drilling differential lock pressure switch holes and ventilation hole inclined holes of intermediate and rear axle housing assemblies of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102490045B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071832A (en) * | 2013-01-29 | 2013-05-01 | 昌辉汽车电器（黄山）股份公司 | Drilling jig |
| CN107081622A (en) * | 2017-06-20 | 2017-08-22 | 江西江铃底盘股份有限公司 | A kind of fast positioning clamping device of automobile axle shell auger, tapping passage |
| CN110587339A (en) * | 2019-09-28 | 2019-12-20 | 贵州群建精密机械有限公司 | Machining device and machining method for eccentric inclined hole of disc gear |
| CN112122662A (en) * | 2020-09-15 | 2020-12-25 | 一汽解放汽车有限公司 | Tool for drilling axle housing |
| CN112935344A (en) * | 2021-01-26 | 2021-06-11 | 青岛青特众力车桥有限公司 | Semi-shell drilling ventilation hole tool assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10250980A (en) * | 1997-03-12 | 1998-09-22 | Kurimoto Ltd | Horizontal suspension jig for assembling shaft |
| CN1092129C (en) * | 1996-06-11 | 2002-10-09 | 三菱电机株式会社 | Safety device for elevator |
| CN101020289A (en) * | 2006-12-05 | 2007-08-22 | 天津重型装备工程研究有限公司 | Turning and milling machine for machining civil nuclear power container |
| CN201031107Y (en) * | 2007-05-17 | 2008-03-05 | 武汉钢铁(集团)公司 | Weight counterbalance balancing implement |
| CN202399042U (en) * | 2011-12-23 | 2012-08-29 | 安徽安凯福田曙光车桥有限公司 | Off-angle drilling clamp for pressure switch hole of differential lock and ventilating hole of automobile mid-rear axle shell assembly |
-
2011
- 2011-12-23 CN CN 201110437733 patent/CN102490045B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092129C (en) * | 1996-06-11 | 2002-10-09 | 三菱电机株式会社 | Safety device for elevator |
| JPH10250980A (en) * | 1997-03-12 | 1998-09-22 | Kurimoto Ltd | Horizontal suspension jig for assembling shaft |
| CN101020289A (en) * | 2006-12-05 | 2007-08-22 | 天津重型装备工程研究有限公司 | Turning and milling machine for machining civil nuclear power container |
| CN201031107Y (en) * | 2007-05-17 | 2008-03-05 | 武汉钢铁(集团)公司 | Weight counterbalance balancing implement |
| CN202399042U (en) * | 2011-12-23 | 2012-08-29 | 安徽安凯福田曙光车桥有限公司 | Off-angle drilling clamp for pressure switch hole of differential lock and ventilating hole of automobile mid-rear axle shell assembly |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071832A (en) * | 2013-01-29 | 2013-05-01 | 昌辉汽车电器（黄山）股份公司 | Drilling jig |
| CN103071832B (en) * | 2013-01-29 | 2015-07-08 | 昌辉汽车电器（黄山）股份公司 | Drilling jig |
| CN107081622A (en) * | 2017-06-20 | 2017-08-22 | 江西江铃底盘股份有限公司 | A kind of fast positioning clamping device of automobile axle shell auger, tapping passage |
| CN110587339A (en) * | 2019-09-28 | 2019-12-20 | 贵州群建精密机械有限公司 | Machining device and machining method for eccentric inclined hole of disc gear |
| CN112122662A (en) * | 2020-09-15 | 2020-12-25 | 一汽解放汽车有限公司 | Tool for drilling axle housing |
| CN112122662B (en) * | 2020-09-15 | 2022-04-19 | 一汽解放汽车有限公司 | Tool for drilling axle housing |
| CN112935344A (en) * | 2021-01-26 | 2021-06-11 | 青岛青特众力车桥有限公司 | Semi-shell drilling ventilation hole tool assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102490045B (en) | 2013-06-19 |
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