CN205673917U - Three hydraulic oil cylinder type detent mechanisms - Google Patents

Abstract

The utility model discloses a kind of three hydraulic oil cylinder type detent mechanisms, be provided with clamp body on base plate, clamp body is " V " type, and the end face of clamp body blind end offers locating slot, positioning hole and stopper slot, and the upper end of stopper slot connects with locating slot；Bilateral symmetry in described clamp body openend arranges the first hydraulic jack, and the side of described clamp body blind end arranges the second hydraulic jack, and the second hydraulic jack is arranged on the lower end of base plate.The utility model is according to the architectural feature of processed pull-fork assembly, and can meet milling face and requirement that bore hole is processed simultaneously is designed, reasonable idea, simple in construction, avoid the drawback of multiple clamping positioning, ensure that machining accuracy, and according to the design feature of processed pull-fork assembly, use three hydraulic jacks comprehensive as the fixing pull-fork assembly of external force source compressing, make it keep more stably state on clamp body, further increase stability and the precision of processing.

Description

Three hydraulic oil cylinder type detent mechanisms

Technical field

The utility model relates to a kind of frock clamp, particularly relates to a kind of three hydraulic oil cylinder type detent mechanisms.

Background technology

Shift fork is the parts on automobile gearbox, is connected with gear change hand lever, is used for stirring middle change pulley, to convert shelves Position, makes input/output rotating ratio change.At present, fork angular milling face and the axle sleeve bore hole of selector fork assembly sets different respectively Complete on Bei, have following defects that

1. so needing clamping twice, each clamping will position, and positions twice and easily causes error increase, thus shadow Ring the precision of processing, cause each product in batch production variant, unstable product quality；

2. use existing fixing means meeting stability bad when pull-fork assembly is by clamping, illusive situation, causes and adds Work precision is not high；

3. clamping complex operation twice, the time of cost is long, reduces working (machining) efficiency.

Utility model content

Because the drawbacks described above of prior art, technical problem to be solved in the utility model is to provide a kind of three hydraulic pressure Cylinder type detent mechanism.

Technical solutions of the utility model are as follows: a kind of three hydraulic oil cylinder type detent mechanisms, are provided with shape big on base plate The little clamp body adapting with shift fork, this clamp body is flat sleeping " V " font, and the end face at clamp body blind end offers positioning Groove, the bottom land of this locating slot offers the through positioning hole to clamp body bottom surface, arranges parallel with it on the side in positioning hole Stopper slot, the upper end of this stopper slot connects with locating slot；Bilateral symmetry in described clamp body openend arranges the first hydraulic oil Cylinder, the cylinder body of this first hydraulic jack is supported fixing by the upper surface of base plate, the piston rod of described first hydraulic jack vertically to On stretch out, and the upper end of the first hydraulic cylinder piston rod is stretched in the bayonet socket of the first briquetting root, the first hydraulic cylinder piston rod Upper end be hinged with the root of the first briquetting, the bilateral symmetry in the middle part of the first briquetting arranges the first hinge, the first hinge Upper end is hinged with the middle part of the first briquetting, and the lower end of the first hinge is hinged with the top of the first cylinder body of hydraulic oil cylinder, described fixture The side of body blind end arranges the second hydraulic jack, and the cylinder body of this second hydraulic jack is fixedly installed on the lower end of described base plate Face, the piston rod of the second hydraulic jack passes through described base plate straight up, and the upper end of described second hydraulic cylinder piston rod is stretched into In the bayonet socket of the second briquetting root, the upper end of the second hydraulic cylinder piston rod is hinged with the root of the second briquetting, in the second pressure The left and right sides in the middle part of block is symmetrical arranged the second hinge, and the upper end of the second hinge is hinged with the middle part of the second briquetting, the second hinge Lower end hinged with supporter, described supporter is fixed on base plate.

Using above technical scheme, during reality processing, processed pull-fork assembly can be laid flat at clamp body Upper surface, the therefore structure according to processed shift fork and resemblance, clamp body is designed to similar " V " word Type.Processed pull-fork assembly includes shift fork, the axle sleeve being arranged on shift fork and blade, its bottom bracket axle and blade all with shift fork institute Keep plumbness in plane, during actual processing, also bore hole can be carried out to axle sleeve.The setting of locating slot is the feature according to axle sleeve, Axle sleeve is inserted in locating slot, positions hole simultaneously and not only play the effect identical with locating slot, when also allowing for processing Bore hole is carried out to axle sleeve.According to the architectural feature of processed pull-fork assembly, its blade is arranged on by axle sleeve, and is parallel with axle sleeve State, after being placed on clamp body, blade is inserted in stopper slot just, and stopper slot passes through blade to whole pull-fork assembly Play spacing effect.Two the first hydraulic jacks are symmetrically arranged at two prong ends of shift fork, stablizing to shift fork Arrive main effect.According to the feature to pull-fork assembly, the second hydraulic jack is arranged on the lower section of base plate so that it is piston rod Carry out compressing through base plate to pull-fork assembly fixing, it is simple to of the present utility model use and operate processing.Two the first hydraulic pressure Oil cylinder and second hydraulic jack are distributed on three angles of triangle, are beneficial to stablize pull-fork assembly.

Both sides and blind end to shift fork openend for the utility model is fixed simultaneously, can make pull-fork assembly on clamp body Clamping is firm, on the one hand simple, convenient, laborsaving；On the other hand, same set of fixture can be utilized to realize fork angular milling face and axle It is sequentially completed in the minds of set bore hole work in-process, it is to avoid repeated clamping affect the disadvantage of machining accuracy, effectively increase production and imitate Rate, and ensure that product is stable.

Further, in order to mitigate the weight of clamp body, optimize the structure of clamp body, manufacture clamp body and also to save Material and reduce its production cost, the middle waist hollow out at described clamp body goes out the waist hole of multiple rectangle.

Further, in order to adapt to the shape facility of processed shift fork, milling cutter is simultaneously facilitated in process to processed Shift fork two prong inwall carries out milling face, and the inwall of described clamp body fork is circular arc, offers manhole on base plate, institute The lower edge stating clamp body fork inwall overlaps with the edge of described manhole.

Beneficial effect: the utility model according to the architectural feature of processed pull-fork assembly, and can meet milling face and bore hole with The requirement of Shi Jiagong is designed, reasonable idea, simple in construction, it is to avoid the drawback of multiple clamping positioning, it is ensured that processing essence Degree, and according to the design feature of processed pull-fork assembly, use three hydraulic jacks comprehensive solid as the compressing of external force source Determine pull-fork assembly so that it is on clamp body, keep more stably state, further increase stability and the precision of processing.

Brief description

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation in another orientation of the utility model.

Detailed description of the invention

The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:

One three hydraulic oil cylinder type detent mechanism as depicted in figs. 1 and 2, is provided with shape size on base plate 1 and dials The clamp body 2 that fork adapts, this clamp body 2 is flat sleeping " V " font, and the inwall of clamp body 2 fork is circular arc, at base plate Offering manhole 1a on 1, the lower edge of clamp body 2 fork inwall overlaps with the edge of described manhole 1a.At fixture The middle waist hollow out of body 2 goes out the waist hole 2c of multiple rectangle, and the end face of clamp body 2 blind end offers locating slot 2a, this locating slot 2a Bottom land offer the through positioning hole 2d to clamp body 2 bottom surface, positioning hole 2d side stopper slot parallel with it is set 2b, the upper end of this stopper slot 2b connects with locating slot 2a.

As depicted in figs. 1 and 2, the bilateral symmetry in described clamp body 2 openend arranges the first hydraulic jack 3, and this is first years old The cylinder body of hydraulic jack 3 is supported fixing by the upper surface of base plate 1, and the piston rod of described first hydraulic jack 3 stretches out straight up, And first the upper end of hydraulic jack 3 piston rod stretch in the bayonet socket of the first briquetting 5 root, the first hydraulic jack 3 piston rod upper End is hinged with the root of the first briquetting 5, and the bilateral symmetry in the middle part of the first briquetting 5 arranges the first hinge 6, the first hinge 6 Upper end is hinged with the middle part of the first briquetting 5, and the lower end of the first hinge 6 is hinged with the top of the first hydraulic jack 3 cylinder body.At fixture The side of body 2 blind end arranges the second hydraulic jack 4, and the cylinder body of this second hydraulic jack 4 is fixedly installed under described base plate 1 End face, the piston rod of the second hydraulic jack 4 passes through described base plate 1, the upper end of described second hydraulic jack 4 piston rod straight up Stretching in the bayonet socket of the second briquetting 5 ' root, the upper end of the second hydraulic jack 4 piston rod is hinged with the root of the second briquetting 5 ', It is symmetrical arranged the second hinge 6 ' in the left and right sides at the second briquetting 5 ' middle part, in the upper end of the second hinge 6 ' and the second briquetting 5 ' Portion is hinged, and the lower end of the second hinge 6 ' is hinged with supporter 7, and described supporter 7 is fixed on base plate 1.

Operation principle of the present utility model is as follows:

Processed pull-fork assembly includes shift fork, the axle sleeve being arranged on shift fork and blade, during reality processing, Processed pull-fork assembly can be laid flat the upper surface at clamp body 2, and shift fork is supported by clamp body 2, and axle sleeve is inserted into locating slot In 2a, and blade is inserted in stopper slot 2b just.First hydraulic jack 3 and the second hydraulic jack 4 are used for fixing and are placed on folder Shift fork on concrete 2.On the first hydraulic jack 3, the upper end thereof of the first hinge 6 is at the middle part of the first briquetting 5 so that first Briquetting 5 can correspondingly rotate, and the root of the first briquetting 5 is connected to the upper end of the first hydraulic jack 3 piston rod, this piston simultaneously Bar moves up, and due to regulations and parameters effect, the free end of the first briquetting 5 can be made to move downward, carry out oppressing and fixing to shift fork. It is fixing that second hydraulic jack 4 carries out compressing with the blind end to shift fork for the same principle.After pull-fork assembly is clamping, Ji Kejin Row prong milling face and axle sleeve bore hole operation.

Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area Member just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all technology neck In territory, technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to design of the present utility model Test available technical scheme, all should be in the protection domain being defined in the patent claims.

Claims (3)

1. a hydraulic oil cylinder type detent mechanism, it is characterised in that: it on base plate (1), is provided with shape size fit with shift fork phase The clamp body (2) answered, this clamp body (2) is flat sleeping " V " font, and the end face at clamp body (2) blind end offers locating slot (2a), the bottom land of this locating slot (2a) offers the through positioning hole (2d) to clamp body (2) bottom surface, on the side of positioning hole (2d) While arrange stopper slot (2b) parallel with it, the upper end of this stopper slot (2b) connects with locating slot (2a)；In described clamp body (2) The bilateral symmetry of openend arranges the first hydraulic jack (3), and the cylinder body of this first hydraulic jack (3) is by the upper surface of base plate (1) Supporting fixing, the piston rod of described first hydraulic jack (3) stretches out straight up, and the first hydraulic jack (3) piston rod is upper End stretches in the bayonet socket of the first briquetting (5) root, the root of the upper end of the first hydraulic jack (3) piston rod and the first briquetting (5) Being hinged, the bilateral symmetry at the first briquetting (5) middle part arranges the first hinge (6), the upper end of the first hinge (6) and the first briquetting (5) middle part is hinged, and the lower end of the first hinge (6) is hinged with the top of the first hydraulic jack (3) cylinder body, described clamp body (2) The side of blind end arranges the second hydraulic jack (4), and the cylinder body of this second hydraulic jack (4) is fixedly installed on described base plate (1) Lower surface, the piston rod of the second hydraulic jack (4) straight up pass through described base plate (1), described second hydraulic jack (4) live The upper end of stopper rod is stretched in the bayonet socket of the second briquetting (5 ') root, the upper end of the second hydraulic jack (4) piston rod and the second briquetting The root of (5 ') is hinged, and is symmetrical arranged the second hinge (6 '), the second hinge in the left and right sides at the second briquetting (5 ') middle part The upper end of (6 ') is hinged with the middle part of the second briquetting (5 '), and the lower end of the second hinge (6 ') is hinged with supporter (7), described support Body (7) is fixed on base plate (1).

2. three hydraulic oil cylinder type detent mechanisms as claimed in claim 1, it is characterised in that: in the middle part of the side of described clamp body (2) Portion's hollow out goes out the waist hole (2c) of multiple rectangle.

3. three hydraulic oil cylinder type detent mechanisms as claimed in claim 1, it is characterised in that: described clamp body (2) fork Inwall is circular arc, offers manhole (1a), the lower edge of described clamp body (2) fork inwall and institute on base plate (1) The edge stating manhole (1a) overlaps.