CN103659308B - Differential spider clamp for machining - Google Patents

Differential spider clamp for machining Download PDF

Info

Publication number
CN103659308B
CN103659308B CN201210327602.9A CN201210327602A CN103659308B CN 103659308 B CN103659308 B CN 103659308B CN 201210327602 A CN201210327602 A CN 201210327602A CN 103659308 B CN103659308 B CN 103659308B
Authority
CN
China
Prior art keywords
locating piece
core axle
differential spider
base
positioning core
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.)
Active
Application number
CN201210327602.9A
Other languages
Chinese (zh)
Other versions
CN103659308A (en
Inventor
袁国庆
陈兴军
高永峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wanxiang Qianchao Co Ltd
Wanxiang Group Corp
Original Assignee
Wanxiang Qianchao Co Ltd
Wanxiang Group Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wanxiang Qianchao Co Ltd, Wanxiang Group Corp filed Critical Wanxiang Qianchao Co Ltd
Priority to CN201210327602.9A priority Critical patent/CN103659308B/en
Publication of CN103659308A publication Critical patent/CN103659308A/en
Application granted granted Critical
Publication of CN103659308B publication Critical patent/CN103659308B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated

Abstract

The present invention discloses a kind of differential spider clamp for machining, comprise base, base establishes locating piece, the central shaft be connected with base is established in locating piece lower end, core axle hole is established at locating piece upper end center position, the lower end of positioning core axle fits in core axle hole slidably, positioning core axle lower center is established spring base hole and is joined Compress Spring, the Compress Spring other end withstands on bottom core axle hole, deep gouge is established in positioning core axle lower end outside face, locating piece lateral surface is fixed with stop screw, and stop screw head coordinates with deep gouge, and positioning core axle upper end is cylindrical structural; Counterbore is established at the position, nearly periphery, upper surface of locating piece, joins holding pin in counterbore, and circumferential holding pin is by being located at the trip bolt locking of locating piece sidewall; The corresponding hold down gag being provided with differential spider above locating piece.The present invention is directed to differential spider processing space unrestricted; Clamped one time can complete four axle journals and all process, and improves work efficiency; Reduce transformation of criterion number of times, improve positioning precision.

Description

Differential spider clamp for machining
Technical field
The invention belongs to clamp art, being specifically related to a kind of fixture for processing differential spider.
Background technology
The machining accuracy of differential spider is directly connected to transmission accuracy and the service life of star coupling, its machining accuracy is relevant to the Design and manufacture horizontal close of fixture, prior art mostly need through three process, first adopt V-type locating piece with four axle journal blanks outer neck location end face milling drill centers, withstand centre bore and end face, the anti-sliding stop of spike pulling finish turning axle journal on numerically controlled lathe with top again, this needs manual auxiliary conversion four direction; Because position degree and perpendicularity deviation are all comparatively large when end face milling and drill centers, the requirement that correcting process specifies to be calibrated to drawing need be increased.
Such as Chinese Patent Application No. is 201110067933.9, name is called the application for a patent for invention of " Universal joint pin machining fixture ", a kind of Universal joint pin machining fixture is disclosed, it comprises support body, hold-down devices, center positioning device, upper rotary table plate, axle journal fixture, integrated locating device and stationary platen, hold-down devices is connected to support body top, stationary platen is connected to bottom support body, center positioning device is vertically connected on the central authorities of stationary platen, upper rotary table plate is enclosed within center positioning device, mutually embedding with stationary platen, axle journal fixture is arranged on rotary table plate.This Universal joint pin machining fixture vertically arranges a center positioning device on stationary platen, and center positioning device arranges rotary table plate, and upper rotary table plate is mutually embedding with stationary platen, and then arranges axle journal fixture on upper rotary table plate; Its axle journal fixture application V-shaped cushion block, therefore just axle journal end face can only be processed after clamping, and can not the neck external diameter of simultaneously finish turning axle journal, four axle journals need increase the processing that No. four times clamping just can complete end face and axle journal, not only there is the deficiency that the loaded down with trivial details work efficiency of operation is low, also existing because conversion positioning datum makes the uneven defect producing error of clamping force with repeating to clamp.
Summary of the invention
The technical issues that need to address of the present invention are, the Universal joint pin machining fixture overcoming prior art cannot adapt to the defect of differential spider blank axle journal neck external diameter processing, the finish turning providing a kind of clamped one time simultaneously can complete four axle journals, splits the differential spider clamping device of processing of end face, drill centers, chamfering, circular arc.
The object of the invention is to be achieved by following technical proposals: a kind of differential spider clamp for machining, comprise base, base is provided with locating piece, the lower end of locating piece is provided with the central shaft be fixedly connected with base, the upper end center position of locating piece is provided with core axle hole, the lower end of positioning core axle fits in core axle hole slidably, the centre of positioning core axle lower end is provided with spring base hole, Compress Spring is furnished with in spring base hole, the other end of Compress Spring withstands on bottom core axle hole, the lateral surface of positioning core axle lower end is provided with deep gouge, locating piece lateral surface is fixed with stop screw, the head of stop screw coordinates with deep gouge, the upper end of positioning core axle is the cylindrical structural with differential spider centre bore adaptation, the upper surface of locating piece is provided with counterbore near position, periphery, is furnished with differential spider circumference holding pin in counterbore, and circumferential holding pin is by being located at the trip bolt locking of locating piece sidewall, the corresponding hold down gag being provided with differential spider above locating piece.
Locating piece lower center axle is firmly connected with lathe by base, positioning core axle and locating piece interference fits also can do upper and lower relative movement, positioning core axle is made all the time upwards by Compress Spring, controlled the traveled distance of positioning core axle by the stop screw be fixed on locating piece, the two is connected into effectively one simultaneously; Holding pin is fixed on locating piece by trip bolt; The centre bore of differential spider is enclosed within the upper end of positioning core axle, position, the periphery lower surface of centre bore is pressed on the end face of holding pin, then hold down gag be pressed in the upper surface at position, centre bore periphery and lock, finish turning can be carried out to of a cross axle axle journal with that, split end face, the processing of drill centers, chamfering and circular arc.
As preferably, described central shaft is step structure, and its hypomere is cylinder, and epimere is cydariform cylinder, and the cylinder that cydariform cylinder clips dual-side by symmetry is formed.
As preferably, the cylindrical structural periphery of positioning core axle upper end is provided with importing cone angle.
As preferably, hold down gag comprises the portal frame be fixedly connected with base, and the crossbeam of portal frame is every sky across above positioning core axle, and the middle part of crossbeam is provided with top-pressure mechanism, and the lower end of top-pressure mechanism connects top pressure head, and top pressure head is corresponding with positioning core axle.
As preferably, top-pressure mechanism is made up of the oil cylinder of the crossbeam middle part being connected to portal frame, and the piston rod of oil cylinder is connected with top pressure head.
As preferably, hydraulic control one-way valve locking loop is provided with in the control loop of oil cylinder, the hydraulic control one-way valve that described hydraulic control one-way valve locking loop comprises the three position four-way electromagnetic valve be located in loop, is connected in series with the oil inlet pipe of oil cylinder, wherein the meta connected mode of three position four-way electromagnetic valve is that the import of hydraulic control one-way valve and control port are communicated with fuel tank.
As preferably, top-pressure mechanism comprises the nut being connected to portal frame crossbeam middle part, is furnished with screw rod in nut, and screw head is connected with top pressure head.
As preferably, hold down gag is provided with top pressure pad block, and the top of top pressure pad block is disc-shaped structure, and the bottom of top pressure pad block is cylindric centering shaft part, and centering shaft part is adaptive with the centre bore of differential spider, and top pressure pad block liner is pushing up below pressure head.
As preferably, described counterbore base be provided with locating piece bottom through bottom outlet, bottom diameter is less than counter bore hole diameters; Position corresponding with this bottom outlet on base is provided with the through hole that diameter is greater than this bottom diameter.
The invention has the beneficial effects as follows:
1, for the clamping of differential spider centre bore periphery, the axle journal processing space of differential spider can not be caused to be restricted;
2, clamped one time just can complete whole manufacturing procedures of four axle journals;
3, Simplified flowsheet, improves work efficiency;
4, significantly reduce transformation of criterion number of times, improve positioning precision.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is a kind of locating piece schematic diagram of embodiment;
Fig. 3 is the E-E generalized section of Fig. 2;
Fig. 4 is the structural representation arranging oil cylinder and top pressure head on portal frame;
Fig. 5 is hydraulic control one-way valve locking oil cylinder principle schematic.
In figure, base 1; Locating piece 2; Central shaft 21; Cylinder 211; Cydariform cylinder 212; Screw 213; Core axle hole 22; Counterbore 23; Trip bolt 24; Positioning core axle 3; Spring base hole 31; Deep gouge 32; Compress Spring 4; Stop screw 5; Holding pin 6; Hold down gag 7; Portal frame 71; Crossbeam 711; Oil cylinder 712; Top pressure head 713; Three position four-way electromagnetic valve 714; Hydraulic control one-way valve 715; Fuel tank 716; Top pressure pad block 8; Centering shaft part 81; Differential spider 9.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiments, the invention will be further described.
Embodiment 1: as Fig. 1, shown in Fig. 2, a kind of differential spider clamp for machining, comprise base 1, base is provided with locating piece 2, the lower end of locating piece 2 is provided with the central shaft 21 be fixedly connected with base 1, the upper end center position of locating piece 2 is provided with core axle hole 22, the lower end of positioning core axle 3 fits in core axle hole 22 slidably, the centre of positioning core axle 3 lower end is provided with spring base hole 31, Compress Spring 4 is furnished with in spring base hole 31, the other end of Compress Spring 4 withstands on the bottom of core axle hole 22, the lateral surface of positioning core axle 3 lower end is provided with deep gouge 32, deep gouge 32 is annular groove, locating piece 2 lateral surface is fixed with stop screw 5, the head of stop screw 5 coordinates with deep gouge 32, the upper end of positioning core axle 3 is the cylindrical structural with differential spider 9 centre bore adaptation, the upper surface of locating piece 2 is provided with counterbore 23 near position, periphery, and be furnished with the circumferential holding pin 6 of differential spider 9 in counterbore 23, holding pin 6 is locked by the trip bolt 24 being located at locating piece 2 sidewall, the corresponding hold down gag 7 being provided with differential spider above locating piece 2.
Locating piece 2 lower center axle is firmly connected with lathe by base 1, positioning core axle 3 also can do upper and lower relative movement with locating piece 2 interference fits, make positioning core axle 3 all the time upwards by Compress Spring 4, controlled the traveled distance of positioning core axle 3 by the stop screw 5 be fixed on locating piece 2, the two is connected into effectively one simultaneously.Holding pin 6 is fixed on locating piece 2 by trip bolt 24; The centre bore of differential spider 9 is enclosed within the upper end of positioning core axle 3, position, the periphery lower surface of centre bore is pressed on the end face of holding pin 6, then hold down gag 7 be pressed in the upper surface at position, centre bore periphery and lock, finish turning can be carried out to of a differential spider axle journal with that, split end face, the processing of drill centers, chamfering and circular arc.
Central shaft 21 is step structure, its hypomere is cylinder 211, epimere is cydariform cylinder 212, the cylinder that cydariform cylinder 212 clips dual-side by symmetry is formed, cydariform cylinder 212 can prevent locating piece 2 from rotating, and once has centre bore man-hour adding bottom cylinder 211, again centre bore is changed into screw 213 when processing and completing, can locating piece 2 screw be hung tight on base 1 by this screw 213, as shown in Figure 2 and Figure 3.
The cylindrical structural periphery of positioning core axle 3 upper end is provided with importing cone angle, is enclosed within the upper end of positioning core axle with the centre bore being convenient to differential spider smoothly.
Hold down gag 7 comprises the portal frame 71 be fixedly connected with base 1, the crossbeam 711 of portal frame 71 every sky across above positioning core axle 3, the middle part of crossbeam 711 is provided with top-pressure mechanism, top-pressure mechanism is made up of the oil cylinder 712 of crossbeam 711 middle part being connected to portal frame 71, the piston rod of oil cylinder 712 is connected with top pressure head 713, and top pressure head 713 is corresponding with positioning core axle 3, hydraulic control one-way valve locking loop is provided with in the control loop of oil cylinder 712, hydraulic control one-way valve locking loop comprises the three position four-way electromagnetic valve 714 be located in loop, the hydraulic control one-way valve 715 be connected in series with the oil inlet pipe of oil cylinder 712, wherein the meta connected mode of three position four-way electromagnetic valve 714 is that the import of hydraulic control one-way valve 715 and control port are communicated with fuel tank 716, when three position four-way electromagnetic valve 714 is in meta, hydraulic control one-way valve 715 is closed rapidly, oil cylinder 712 epicoele is by hydraulic control one-way valve 715 locking, piston can not move upward, piston rod will push up pressure head 713 down dieback to clamp differential spider 9, as Fig. 4, shown in Fig. 5.
When three position four-way electromagnetic valve 714 is controlled be in left position time, hydraulic control one-way valve 715 is open-minded, the oil-feed of oil cylinder 712 epicoele, simultaneously cavity of resorption oil return, and piston promotes top pressure head 713 downwards and down clamps differential spider 9; When three position four-way electromagnetic valve 714 is in right position, hydraulic control one-way valve 715 is open-minded by hydraulic control, the oil-feed of oil cylinder 712 cavity of resorption, and epicoele is through hydraulic control one-way valve 715 oil return simultaneously, and piston upwards draws top pressure head 713 and up moves and unclamp differential spider 9.
Hold down gag is provided with top pressure pad block 8, and the top of top pressure pad block 8 is disc-shaped structure, and the bottom of top pressure pad block 8 is cylindric centering shaft part 81, and centering shaft part 81 is adaptive with the centre bore of differential spider 9, and top pressure pad block 8 liner is below the pressure head 713 of top; The centre bore height that the length of deep gouge 32 is less than or equal to differential spider 9 deducts the centering shaft part 81 height sum of stop screw 5 head diameter and top pressure pad block 8.
Be provided with bottom counterbore 23 with locating piece 2 bottom through bottom outlet, bottom diameter is less than counterbore 23 diameter, arranges push rod in bottom outlet; Bottom outlet also can be screw and join screw, push rod or screw are used for rising holding pin 6, holding pin 6 apical side height superelevation adjusted if can be revolved low screw and be pressed holding pin 6, high screw can be revolved if holding pin 6 apical side height is on the low side holding pin 6 is adjusted, then trip bolt 24 be locked.
Embodiment 2: top-pressure mechanism comprises the nut being connected to portal frame crossbeam middle part, is furnished with screw rod in nut, screw head is connected with top pressure head, and nut and screw flight are trapezoidal or zigzag, and all the other structures are with embodiment 1.
The present invention can as fixture application in various cross axle processing, there are whole manufacturing procedures that clamped one time just can complete four axle journals, Simplified flowsheet, improve work efficiency, reduce transformation of criterion number of times, improve the advantage of positioning precision, if those skilled in the art does simple amendment to foregoing invention content or replaces, such change can not be thought to depart from the scope of the present invention, all like this to the apparent amendment of those skilled in the art by be included in claim of the present invention scope within.

Claims (9)

1. a differential spider clamp for machining, comprise base, it is characterized in that, base is provided with locating piece, the lower end of locating piece is provided with the central shaft be fixedly connected with base, the upper end center position of locating piece is provided with core axle hole, the lower end of positioning core axle fits in core axle hole slidably, the centre of positioning core axle lower end is provided with spring base hole, Compress Spring is furnished with in spring base hole, the other end of Compress Spring withstands on bottom core axle hole, the lateral surface of positioning core axle lower end is provided with deep gouge, locating piece lateral surface is fixed with stop screw, the head of stop screw coordinates with deep gouge, the upper end of positioning core axle is the cylindrical structural with differential spider centre bore adaptation, the upper surface of locating piece is provided with counterbore near position, periphery, is furnished with differential spider circumference holding pin in counterbore, and circumferential holding pin is by being located at the trip bolt locking of locating piece sidewall, the corresponding hold down gag being provided with differential spider above locating piece.
2. differential spider clamp for machining according to claim 1, is characterized in that, described central shaft is step structure, and its hypomere is cylinder, and epimere is cydariform cylinder, and the cylinder that cydariform cylinder clips dual-side by symmetry is formed.
3. differential spider clamp for machining according to claim 2, is characterized in that, the cylindrical structural periphery of positioning core axle upper end is provided with importing cone angle.
4. differential spider clamp for machining according to claim 3, it is characterized in that, hold down gag comprises the portal frame be fixedly connected with base, the crossbeam of portal frame every sky across above positioning core axle, the middle part of crossbeam is provided with top-pressure mechanism, the lower end of top-pressure mechanism connects top pressure head, and top pressure head is corresponding with positioning core axle.
5. differential spider clamp for machining according to claim 4, is characterized in that, top-pressure mechanism is made up of the oil cylinder of the crossbeam middle part being connected to portal frame, and the piston rod of oil cylinder is connected with top pressure head.
6. differential spider clamp for machining according to claim 5, it is characterized in that, hydraulic control one-way valve locking loop is provided with in the control loop of oil cylinder, the hydraulic control one-way valve that described hydraulic control one-way valve locking loop comprises the three position four-way electromagnetic valve be located in loop, is connected in series with the oil inlet pipe of oil cylinder, wherein the meta connected mode of three position four-way electromagnetic valve is that the import of hydraulic control one-way valve and control port are communicated with fuel tank.
7. differential spider clamp for machining according to claim 4, is characterized in that, top-pressure mechanism comprises the nut being connected to portal frame crossbeam middle part, is furnished with screw rod in nut, and screw head is connected with top pressure head.
8. the differential spider clamp for machining according to claim 5 or 6 or 7, it is characterized in that, hold down gag is provided with top pressure pad block, the top of top pressure pad block is disc-shaped structure, the bottom of top pressure pad block is cylindric centering shaft part, the centre bore of centering shaft part and differential spider is adaptive, and top pressure pad block liner is below the pressure head of top.
9. differential spider clamp for machining according to claim 8, is characterized in that, described counterbore base be provided with locating piece bottom through bottom outlet, bottom diameter is less than counter bore hole diameters; Position corresponding with this bottom outlet on base is provided with the through hole that diameter is greater than this bottom diameter.
CN201210327602.9A 2012-09-07 2012-09-07 Differential spider clamp for machining Active CN103659308B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210327602.9A CN103659308B (en) 2012-09-07 2012-09-07 Differential spider clamp for machining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210327602.9A CN103659308B (en) 2012-09-07 2012-09-07 Differential spider clamp for machining

Publications (2)

Publication Number Publication Date
CN103659308A CN103659308A (en) 2014-03-26
CN103659308B true CN103659308B (en) 2016-04-13

Family

ID=50298743

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210327602.9A Active CN103659308B (en) 2012-09-07 2012-09-07 Differential spider clamp for machining

Country Status (1)

Country Link
CN (1) CN103659308B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104972137A (en) * 2015-04-16 2015-10-14 江西省分宜驱动桥有限公司 Technology and device for improving machining precision of drive axle differential
CN109759857A (en) * 2017-11-09 2019-05-17 王海艳 Integral steering section forging technology with knuckle arm
CN109759861A (en) * 2017-11-09 2019-05-17 王海艳 A kind of flange forging technique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3790070B2 (en) * 1999-09-03 2006-06-28 オークマ株式会社 Cross rail clamp device
JP5117030B2 (en) * 2006-10-19 2013-01-09 新日本工機株式会社 Machine Tools
CN201350562Y (en) * 2008-12-18 2009-11-25 北京南口轨道交通机械有限责任公司 Adjustable fixture for workpieces needing to be processed with cylindrical cross punched holes
CN101537507B (en) * 2009-03-25 2011-01-05 杭州正强万向节有限公司 Cardan type universal joint automatic drilling device
CN102189425A (en) * 2011-03-22 2011-09-21 南车戚墅堰机车有限公司 Universal joint pin machining fixture
CN202367482U (en) * 2011-12-29 2012-08-08 重庆机床(集团)有限责任公司 Fastening device used for machining parts like universal joint pin
CN202763510U (en) * 2012-09-07 2013-03-06 万向钱潮股份有限公司 Differential spider machining fixture

Also Published As

Publication number Publication date
CN103659308A (en) 2014-03-26

Similar Documents

Publication Publication Date Title
CN202763510U (en) Differential spider machining fixture
CN103659308B (en) Differential spider clamp for machining
CN104368831B (en) Numerically controlled lathe multi-cutter-position device
CN202490987U (en) Tool for fast clamping processed gear rings of gear shaping machine
CN203209699U (en) Piston composite machining lathe
CN102152142B (en) Special multifunctional multi-shaft numerically controlled clamp for processing centrifugal vane wheel, and manufacturing and installation method of special multifunctional multi-shaft numerically controlled clamp
CN205341971U (en) A from line -up clamp that is used for on merry go round machine processing large sized part excircle
CN104526421A (en) Expander positioning device for machining generator casing
CN104999305B (en) A kind of processing method and device of high-power diesel engine cylinder cap
CN103072018B (en) Special main valve body of special ball valve truning fixture
CN104209738B (en) Thrust foundation ring and lower machine frame assembling method
CN109746739A (en) Ring gear holder combination
CN109746740A (en) A kind of knuckle arm mold
CN109746709A (en) Differential spider face work and inner hole fixture
CN109746731A (en) Locating piece lateral surface is fixed with the differential mechanism fixture of stop screw
CN109746733A (en) Differential spider clamp for machining
CN109746732A (en) Differential spider clamp for machining
CN109746741A (en) Positioning core axle lower end is equipped with the differential mechanism fixture of deep gouge
CN109746715A (en) A kind of positioning core axle lower end slideably fits over the differential mechanism fixture in core axle hole
CN109746708A (en) A kind of collar shift stroke limit structure
CN109746729A (en) A kind of differential mechanism engaging sleeve disassembling fixture
CN109746727A (en) Positioning block bottom is equipped with the differential mechanism fixture that central axis is fixedly connected with pedestal
CN109746724A (en) It is furnished with the differential mechanism fixture of compressed spring in spring base hole
CN109746728A (en) The moulding technique of differential clutch for automobile engaging sleeve
CN109746730A (en) Differential spider oil filler point boring grab

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant