CN206202415U

CN206202415U - Scale-up version drives steeraxle

Info

Publication number: CN206202415U
Application number: CN201621316886.1U
Authority: CN
Inventors: 滕开永; 李典松
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-12-03
Filing date: 2016-12-03
Publication date: 2017-05-31
Anticipated expiration: 2026-12-03

Abstract

Steeraxle, including pontic are driven the utility model discloses a kind of scale-up version（1）, differential mechanism（2）Be arranged at pontic（1）Left side and the cursor on right side（3）, the cursor in left side（3）With pontic（1）Left end is hinged, the cursor on right side（3）With pontic（1）Right-hand member is hinged；Each cursor（3）On further respectively have can be relative to cursor（3）The output end of rotation（6）；The differential mechanism（2）Left output shaft by first universal joint in left side（4）With the cursor in left side（3）On output end（6）It is connected, the differential mechanism（2）Right output shaft by first universal joint on right side（4）With the cursor on right side（3）On output end（6）It is connected.The utility model reduces the volume of steeraxle, alleviates the weight of steeraxle, reduces cost, and possesses drivable function, while also having the advantages that wearability is good, bearing capacity is strong, reliability is high and steering range is big.

Description

Scale-up version drives steeraxle

Technical field

The utility model is related to a kind of scale-up version to drive steeraxle, belongs to engineering machinery steeraxle field.

Background technology

The engineering machinery vehicles such as traditional loading machine are mostly two-wheel drive front steering, and it has the disadvantage that radius of turn is big, behaviour Make dumb.To overcome drawbacks described above, it is necessary to back axle is also instead passed into bridge.

The patent of Application No. 201520969563.1《A kind of rotating disc type four-wheel steering loading machine》Propose a kind of four-wheel Loader, and a kind of steering bridge mechanism based on rotating disk is disclosed, in the mechanism, the pontic of steeraxle passes through turntable bearing Mechanism is connected with car body, and integral-rotation of the pontic relative to car body is realized by turntable bearing mechanism, has a disadvantage in that：（1） To ensure bearing capacity and connection rigidity, it is necessary to design and from specification larger rotating disk and bearing, volume is big, mechanism cumbersome；（2） The bearing of big specification is relatively costly；（3）Cannot be used as drive axle.

Utility model content

Steeraxle is driven the utility model proposes a kind of scale-up version, its technical problem to be solved is：（1）Reduction turns To the volume of bridge, mitigate the weight of steeraxle；（2）Reduces cost；（3）Possessing can driving function.

Technical solutions of the utility model are as follows：

Scale-up version drives steeraxle, including pontic, and the pontic middle part is provided with differential mechanism, and the differential mechanism has and is located at The input shaft of differential mechanism front end and respectively positioned at the differential mechanism left and right sides left output shaft and right output shaft；

The scale-up version drives steeraxle also including two cursors being respectively arranged on the right side of pontic left side and pontic, if The cursor being placed on the left of pontic is hinged to realize the front and rear rotation relative to pontic with pontic left end, is arranged at pontic right side Cursor and pontic right-hand member be hinged to realize the front and rear rotation relative to pontic；

An output end that can be rotated relative to cursor is further respectively had on each cursor；

The scale-up version drives steeraxle also including two the first universal joints for being located at differential mechanism left side and right side respectively；

The left output shaft of the differential mechanism is connected by first universal joint in left side with the output end on the cursor in left side Connect to drive the output end in left side to be rotated relative to the cursor in left side；The axis that the cursor in left side is hinged with pontic and a left side The center of the first universal joint of side coincides；

The right output shaft of the differential mechanism is connected by first universal joint on right side with the output end on the cursor on right side Connect to drive the output end on right side to be rotated relative to the cursor on right side；The axis that the cursor on right side is hinged with pontic and the right side The center of the first universal joint of side coincides；

It is to be directly connected between each output shaft and the first corresponding universal joint, or each passes through one the 20000th respectively It is connected with the first universal joint to section；

The scale-up version drives steeraxle also including driving cursor relative to the steer-drive that pontic is rotated.

Used as further improvement of the utility model, each cursor is with the structure that pontic is hinged：Cursor the inner Top and bottom are respectively mounted a joint piece, have spherical arcuate surface on the joint piece, and pontic is hinged with the cursor The top and bottom of outer end be installed with gland respectively, there is a spherical inner concave on the gland；Positioned at cursor The arcuate surface of the joint piece of top and bottom respectively with the inner concave of the gland of the top and bottom positioned at outer end corresponding to pontic Cooperation is corresponded and is in contact to constitute two groups of spherical joints；Two groups of spherical joints are constituted between cursor and pontic It is hinged, the line at two groups of centers of spherical joint is the axis that cursor is hinged with pontic.

As further improvement of the utility model：One through gland inner concave and joint is also separately installed with each gland The rotating shaft of part arcuate surface, the axis of the rotating shaft passes through the centre of sphere of corresponding spherical joint, and positioned at the two of pontic homonymy Branch rotating shaft is conllinear.

As further improvement of the utility model：The rotating shaft includes being used for through gland inner concave and joint piece evagination The axle portion in face and be perpendicularly fixed at axle portion top tabular head, the head bottom surface is in contact with the top surface of gland, described Head is arranged on gland to realize installation of the rotating shaft on gland by a steady pin.

Used as further improvement of the utility model, the structure of the steer-drive is：The cursor in left side and the right side A catch bar is respectively equipped with the cursor of side.

As further improvement of the utility model：A gangbar has also been respectively fixedly connected with each cursor, it is described to add Heavy type drives the steeraxle also to include synchronising (connecting) rod, the two ends of the synchronising (connecting) rod respectively with the gangbar of the cursor of the left and right sides It is hinged to realize synchronous axial system of two cursors relative to pontic.

As further improvement of the utility model：The structure of the steer-drive is：The cursor in left side or the right side The cursor of side is provided with a catch bar；

A gangbar is also respectively fixedly connected with each cursor, the scale-up version drives steeraxle also to connect including synchronous Bar, the two ends of the synchronising (connecting) rod are hinged relative to realize two cursors with the gangbar of the cursor of the left and right sides respectively In the synchronous axial system of pontic.

Relative to prior art, the utility model has the positive effect that：（1）The utility model is replaced using universal joint Big specification bearing, reduces the volume of steeraxle, the weight of steeraxle is alleviated, while also reducing cost；（2）This practicality is new Type is equipped with differential mechanism, and provides power respectively to two output ends in left and right, can not only realize turning to, moreover it is possible to make as drive axle With；（3）When the angle that the first universal joint is reversed is close to extreme angles, the center of the first universal joint will appear from deviateing, no longer with Hinge axes coincide, and stuck situation easily occur, and lead between the output shaft and the first corresponding universal joint of differential mechanism Cross in the technical scheme that one second universal joint is connected, the free degree of mechanism, Neng Goufen are increased by adding the second universal joint The windup-degree of the first universal joint is carried on a shoulder pole, stuck situation is prevented, expands the steering range of cursor；（4）Cursor and bridge Being hinged between body is made up of two groups of spherical joints, and the contact surface of spherical is big, so as to improve the wearability of steeraxle And bearing capacity；（5）Rotating shaft is also equipped with spherical joint and limits the rotation direction being hinged with further, reduce spherical joint The abrasion at place, improves reliability；（6）The utility model, as steer-drive, is installed using catch bar in vehicle bottom The cursor of this steeraxle is driven to turn to by hydraulic cylinder or the connecting rod being connected with other deflecting rollers, it is simple and reliable for structure, It is practical；（7）In the technical scheme of synchronising (connecting) rod is equipped with, two are driven by driving one of cursor by catch bar The synchronous steering of wheel, and in the technical scheme that two cursors are equipped with catch bar, it is possible to use two hydraulic cylinders or connecting rod Two cursors are promoted to turn to respectively Deng part, flexibility is strong.

Brief description of the drawings

Fig. 1 is general structure schematic diagram of the present utility model.

Fig. 2 is the schematic top plan view of Fig. 1.

Fig. 3 is the structural representation of spherical joint part.

Specific embodiment

Describe the technical solution of the utility model in detail below in conjunction with the accompanying drawings：

Such as Fig. 1, the pontic 1 of a kind of scale-up version driving steeraxle, including steel, the middle part of the pontic 1 is provided with differential mechanism 2, the differential mechanism 2 have positioned at the front end of differential mechanism 2 input shaft and respectively positioned at the left and right sides of differential mechanism 2 left output shaft with Right output shaft；

The scale-up version drives steeraxle also including two cursors for being respectively arranged at the left side of pontic 1 and the right side of pontic 1 3, the cursor 3 for being arranged at the left side of pontic 1 is hinged to realize the front and rear rotation relative to pontic 1 with the left end of pontic 1, is arranged at The cursor 3 on the right side of pontic 1 is hinged to realize the front and rear rotation relative to pontic 1 with the right-hand member of pontic 1；

An output end 6 that can be rotated relative to cursor 3 is further respectively had on each cursor 3；

The scale-up version drives steeraxle also including two the first universal joints 4 for being located at the left side of differential mechanism 2 and right side respectively；

The output end 6 on the first cursor 3 of the universal joint 4 with left side that the left output shaft of the differential mechanism 2 passes through left side The output end 6 to drive left side that is connected rotates relative to the cursor 3 in left side；The cursor 3 in left side is hinged with pontic 1 Axis coincides with the center of first universal joint 4 in left side；

The output end 6 on the first cursor 3 of the universal joint 4 with right side that the right output shaft of the differential mechanism 2 passes through right side The output end 6 to drive right side that is connected rotates relative to the cursor 3 on right side；The cursor 3 on right side is hinged with pontic 1 Axis coincides with the center of first universal joint 4 on right side；

It is to be directly connected between each output shaft and the first corresponding universal joint 4, or each passes through one second respectively Universal joint 5 is connected with the first universal joint 4；When the angle that the first universal joint 4 is reversed is close to its extreme angles, the first universal joint 4 center will appear from deviateing, no longer be coincided with hinge axes, stuck situation easily occurs, and pass through to add the second universal joint 5 The free degree of mechanism can be increased, the windup-degree of the first universal joint 4 can be shared, prevent stuck situation, expanded and turn The steering range of swing arm 3.

Such as Fig. 3, the concrete structure that each cursor 3 is hinged with pontic 1 is：The top and bottom difference of the inner of cursor 3 One joint piece 13 is installed, there is spherical arcuate surface on the joint piece 13, the outer end that pontic 1 is hinged with the cursor 3 Top and bottom are installed with gland 10 respectively, have a spherical inner concave on the gland 10；Positioned at the top of cursor 3 With the arcuate surface of the joint piece 13 of bottom respectively with the inner concave of the gland 10 positioned at the top and bottom of outer end corresponding to pontic 1 Cooperation is corresponded and is in contact to constitute two groups of spherical joints；Two groups of spherical joints are constituted between cursor 3 and pontic 1 Be hinged, the line at two groups of centers of spherical joint is the axis that cursor 3 is hinged with pontic 1；

A rotating shaft 11 for passing through the inner concave of gland 10 and the arcuate surface of joint piece 13 is also separately installed with each gland 10, it is described The centre of sphere of spherical joint of the axis of rotating shaft 11 corresponding to, and it is conllinear positioned at two rotating shafts 11 of the homonymy of pontic 1；

The rotating shaft 11 includes for the axle portion through the inner concave of gland 10 and the arcuate surface of joint piece 13 and is perpendicularly fixed at The head of the tabular on axle portion top, the head bottom surface is in contact with the top surface of gland 10, and the head passes through a steady pin 12 Realizing installation of the rotating shaft 11 on gland 10 on gland 10.

Such as Fig. 2, the scale-up version driving steeraxle is also including driving cursor 3 to be driven relative to the steering that pontic 1 is rotated Device.

A kind of structure of the steer-drive is：One is respectively equipped with the cursor 3 in left side and the cursor 3 on right side Catch bar 8；

When using, can be in vehicle bottom installation hydraulic cylinder or the connecting rod being connected with other deflecting rollers, so as to use Two hydraulic cylinders or connecting rod promote two cursors 3 to turn to respectively, and flexibility is strong；

On the other hand, a gangbar 7 can also be respectively fixedly connected with each cursor 3；The scale-up version drives and turns to Bridge also includes synchronising (connecting) rod 9, the two ends of the synchronising (connecting) rod 9 be hinged with the gangbar 7 of the cursor 3 of the left and right sides respectively with Synchronous axial system of two cursors 3 relative to pontic 1 is realized, now promoting wherein one using only a hydraulic cylinder or connecting rod pushes away Lever 8 is to be capable of achieving the synchronous steering of two-wheeled；

Be not difficult to deduce by above-mentioned discussion, in the case where synchronising (connecting) rod 9 is equipped with, two cursors 3 one of them be equipped with Catch bar 8.

Claims

1. scale-up version drives steeraxle, including pontic（1）, it is characterised in that：The pontic（1）Middle part is provided with differential mechanism（2）, The differential mechanism（2）With positioned at differential mechanism（2）The input shaft of front end and respectively be located at differential mechanism（2）The left output of the left and right sides Axle and right output shaft；

The scale-up version drives steeraxle to be also respectively arranged at pontic including two（1）Left side and pontic（1）The cursor on right side （3）, it is arranged at pontic（1）The cursor in left side（3）With pontic（1）Left end is hinged to realize relative to pontic（1）It is front and rear Rotate, be arranged at pontic（1）The cursor on right side（3）With pontic（1）Right-hand member is hinged to realize relative to pontic（1）It is front and rear Rotate；

Each cursor（3）On further respectively have one can be relative to cursor（3）The output end of rotation（6）；

The scale-up version drives steeraxle also to include two and is located at differential mechanism respectively（2）Left side and first universal joint on right side（4）；

The differential mechanism（2）Left output shaft by first universal joint in left side（4）With the cursor in left side（3）On output end （6）It is connected to drive the output end in left side（6）Relative to the cursor in left side（3）Rotation；The cursor in left side（3）With pontic （1）The axis and first universal joint in left side being hinged（4）Center coincide；

The differential mechanism（2）Right output shaft by first universal joint on right side（4）With the cursor on right side（3）On output end （6）It is connected to drive the output end on right side（6）Relative to the cursor on right side（3）Rotation；The cursor on right side（3）With pontic （1）The axis and first universal joint on right side being hinged（4）Center coincide；

Each output shaft and the first corresponding universal joint（4）Between to be directly connected to, or each pass through one the 20000th respectively Xiang Jie（5）With the first universal joint（4）It is connected；

The scale-up version drives steeraxle also including driving cursor（3）Relative to pontic（1）The steer-drive of rotation.

2. scale-up version as claimed in claim 1 drives steeraxle, it is characterised in that each cursor（3）With pontic（1）It is hinged Structure be：Cursor（3）Inner top and bottom are respectively mounted a joint piece（13）, the joint piece（13）It is upper that there is ball The arcuate surface of shape, pontic（1）With the cursor（3）The top and bottom of the outer end being hinged are installed with gland respectively （10）, the gland（10）It is upper that there is a spherical inner concave；Positioned at cursor（3）The joint piece of top and bottom（13）It is outer Convex surface respectively with positioned at pontic（1）The gland of the top and bottom of corresponding outer end（10）Inner concave correspond and be in contact Coordinate to constitute two groups of spherical joints；Two groups of spherical joints constitute cursor（3）With pontic（1）Between be hinged, two groups The line at the center of spherical joint is cursor（3）With pontic（1）The axis being hinged.

3. scale-up version as claimed in claim 2 drives steeraxle, it is characterised in that：Each gland（10）On be also separately installed with one Through gland（10）Inner concave and joint piece（13）The rotating shaft of arcuate surface（11）, the rotating shaft（11）Axis by corresponding The centre of sphere of spherical joint, and positioned at pontic（1）Two rotating shafts of homonymy（11）Collinearly.

4. scale-up version as claimed in claim 3 drives steeraxle, it is characterised in that：The rotating shaft（11）Including for through pressure Lid（10）Inner concave and joint piece（13）The axle portion of arcuate surface and be perpendicularly fixed at axle portion top tabular head, the head Bottom surface and gland（10）Top surface be in contact, the head pass through a steady pin（12）Installed in gland（10）On realizing rotating shaft （11）In gland（10）On installation.

5. the scale-up version as described in Claims 1-4 is any drives steeraxle, it is characterised in that：The steer-drive Structure is：The cursor in left side（3）With the cursor on right side（3）On be respectively equipped with a catch bar（8）.

6. scale-up version as claimed in claim 5 drives steeraxle, it is characterised in that：Each cursor（3）On also fixed respectively connect It is connected to a gangbar（7）, the scale-up version driving steeraxle is also including synchronising (connecting) rod（9）, the synchronising (connecting) rod（9）Two ends point Not with the cursor of the left and right sides（3）Gangbar（7）It is hinged to realize two cursors（3）Relative to pontic（1）It is same Step is rotated.

7. the scale-up version as described in Claims 1-4 is any drives steeraxle, it is characterised in that：The steer-drive Structure is：The cursor in left side（3）Or the cursor on right side（3）It is provided with a catch bar（8）；

Each cursor（3）On be also respectively fixedly connected with a gangbar（7）, the scale-up version driving steeraxle is also including synchronously connecting Bar（9）, the synchronising (connecting) rod（9）Two ends respectively with the cursor of the left and right sides（3）Gangbar（7）It is hinged to realize two Branch cursor（3）Relative to pontic（1）Synchronous axial system.