CN205745208U - A kind of harvester gear box output shaft mechanism and harvester gear box - Google Patents
A kind of harvester gear box output shaft mechanism and harvester gear box Download PDFInfo
- Publication number
- CN205745208U CN205745208U CN201620611435.4U CN201620611435U CN205745208U CN 205745208 U CN205745208 U CN 205745208U CN 201620611435 U CN201620611435 U CN 201620611435U CN 205745208 U CN205745208 U CN 205745208U
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- gear
- ring
- axle
- gear box
- lazy
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Abstract
The utility model discloses a kind of harvester gear box output shaft mechanism and harvester gear box, described output shaft mechanism includes left half axle, right axle shaft and axle tube, a described left side, the rotatable fixed cover of right axle shaft is loaded in axle tube and two ends are protruding, described output shaft mechanism also includes transmission output gear and technique back-up ring, described transmission output gear center is provided with the installing hole of band internal spline, left, right axle shaft bottom outer-edge is provided with the external splines of correspondence, left, the bottom of right axle shaft passes installing hole, couple with transmission output gear spline, transmission output gear installing hole outer rim is provided with annular projection, left, right axle shaft bottom end face is concordant with annular projection end face；Described technique back-up ring is arranged between the transmission output gear of left and right half bottom, and two ends are connected to transmission output gear sidewall center respectively, technique back-up ring two ends offer the groove corresponding with annular projection, and groove concave surface docks with described annular projection, described left and right half bottom end face.
Description
Technical field
This utility model relates to change speed gear box technical field, is specifically related to a kind of harvester gear box output shaft mechanism and harvesting
Machine gearbox.
Background technology
Change speed gear box is one of critical component of harvester, for controlling the movement of harvester, such as forward-reverse, left/right rotation
To, acceleration-deceleration etc., harvester gear box mainly includes housing, output shaft mechanism, steering cluth mechanism, lazy axis mechanism etc.,
Wherein, output shaft mechanism mainly includes the axle tube of left half axle, right axle shaft and correspondence, and described left and right half is rotatable
Fixed cover is loaded in described axle tube, and gear box casing is stretched in its bottom, and with the transmission output gear clamping in housing, its
Top is outfan, is used for connecting the ground-engaging element such as tire, crawler belt gear, by about the rotation drive of transmission output gear half
Axle rotates, and then drives ground-engaging element to rotate.In existing harvester gear box structure, the bottom of described left and right half is arranged
Having clip, clip to be connected on transmission output gear, make to be formed between semiaxis and transmission output gear spacing, this structure is arranged
It is the most inconvenient that the installation making output shaft of gear-box is safeguarded: when needs taking-up semiaxis is replaced or safeguards, needs speed change
Case integral demounting, then open housing, to take off clip, release spacing, semiaxis could be taken out, installation process needs to repeat too
Said process, operation is loaded down with trivial details；And integral demounting repeatedly is installed and is also leveraged the structure precision of change speed gear box and use the longevity
Life, reduces properties of product.
Utility model content
This utility model is for above-mentioned technical problem, it is proposed that a kind of harvester gear box output shaft being easily installed dismounting
Mechanism and use the harvester gear box of this output shaft mechanism, it is not necessary to change speed gear box integral disassembly, assembly, effectively reduces and ties change speed gear box
Structure precision and the impact in service life.
This utility model solves one of above-mentioned technical problem by the following technical solutions: a kind of harvester gear box output shaft
Mechanism, including the axle tube of left half axle, right axle shaft and correspondence, the rotatable fixed cover of described left and right half is loaded on described
Axle tube is interior and two ends are protruding, and this output shaft mechanism also includes transmission output gear and technique back-up ring, and described transmission is defeated
Going out the installing hole being provided centrally with band internal spline of gear, described left and right half bottom outer-edge offers the external splines of correspondence, institute
The bottom stating left and right half passes described installing hole, couples with described transmission output gear spline, and described transmission output gear is pacified
Dress hole outer rim is provided with annular projection, and described left and right half bottom end face is concordant with described annular projection end face；Described technique is kept off
Circle is arranged between the transmission output gear of described left and right half bottom, and two ends are connected to described transmission output gear respectively
Sidewall center, described technique back-up ring two ends offer the annular recess corresponding with described annular projection, described annular recess
Concave surface end face with described annular projection, described left and right half bottom respectively docks.
Optimizing, described axle tube top is provided with fixing position-limit mechanism, and described fixing position-limit mechanism includes the spacing end
Seat and the limited cover of correspondence, described spacing base offers step-like ring-type shrinkage pool, and described spacing base is by ring-type recessed
The fixedly sleeved top at described axle tube, hole；Limited location is set gradually in the step-like ring-type shrinkage pool of described spacing base
Block, barrier packing ring, the first support ball bearing, described limited block bottom is connected on the top end face of described axle tube, institute
Stating the first support ball bearing to abut with the inwall of described limited cover, described limited cover top perforate, described limited cover is by tight
Fixing bolt is fixedly connected on described spacing base；The top of described left and right half sequentially passes through described limited block, barrier pad
Circle, the first support ball bearing and limited cover, protruding, corresponding described limited block position in described left and right half outer rim
Being provided with ring-type spacing collar, described ring-type spacing collar is connected on the end face of described limited block bottom.
In above-mentioned output shaft structure, the clip eliminating left and right half bottom is spacing, only by being arranged on extra-organismal half
Semiaxis is fixed by pipe spreader, and by technique back-up ring, semiaxis bottom and locus thereof is carried out position limitation protection, protects
Demonstrate,prove the stability in semiaxis running；When needs dismounting semiaxis, only axle tube need to be disassembled, then by semiaxis from semiaxis
Sleeve pipe is extracted out；During installation, only need to semiaxis be inserted in axle tube, when semiaxis bottom props up the groove-bottom of technique back-up ring
During face, illustrate that semiaxis has pushed and put in place, then axle tube is re-assemblied so that it is semiaxis is fixed spacing.This process
Overall without dismantling change speed gear box, substantially increase and the efficiency safeguarded is installed, also do not interfere with the structure precision of entirety.
This utility model solves the two of above-mentioned technical problem by the following technical solutions: a kind of harvester gear box, including
Gear box casing and the output shaft mechanism as above being arranged in housing, lazy spindle unit, steering cluth spindle unit；
The bottom of described axle tube is fixedly installed on the sidewall of described gear box casing both sides respectively, described change speed gear box
Inner walls correspondence axle tube position offers the ring-type embedded hole of stairstepping respectively, is provided with the second support in described embedded hole
Ball bearing, the bottom of described left and right half supports ball bearing through described second, extend in described transmission housing body.
Optimize, described lazy spindle unit includes lazy axle axostylus axostyle and lazy shaft gear, described lazy shaft gear be provided centrally with
The roller bearing that described lazy axle axostylus axostyle agrees with mutually, described lazy axle axostylus axostyle passes described roller bearing, makes described lazy shaft gear sheathed
On described lazy axle axostylus axostyle.The purpose using roller bearing is the contact area in order to improve bearing and lazy axle axostylus axostyle, Jin Erti
The stability of high lazy shaft gear, it addition, the abrasion resistance properties of roller bearing also can be effectively improved the service life of lazy spindle unit.
Optimizing, described steering cluth spindle unit includes main shaft, tooth sector, idler gear, clutch gear, described in
Between gear be fixedly installed on described main shaft, described clutch gear is coaxially fixedly installed on the two of described idler gear by bearing pin
On the sidewall of side, described clutch gear is provided centrally with the pin-and-hole that turns to of band internal spline, and described tooth sector is slideably positioned in respectively
On the main shaft of described idler gear both sides, described tooth sector top is provided with and turns to pin, described in turn to pin surface configuration
There is the external splines agreed with mutually with the described internal spline turning to pin-and-hole, by turning between described tooth sector and described clutch gear
Pin and turn to pin-and-hole formed spline couple.In existing steering cluth spindle unit, general only edge on idler gear sidewall
Axle center symmetries etc. point arrange 3-4 open trip, and the top of corresponding tooth sector is then provided with same trip,
Being connected by the engagement of trip mutual dislocation between tooth sector with idler gear, in this structure, between trip, space is relatively big, contact
Defective tightness, forms sliding friction in rotary course, and trip to engage each other contact area less so that rub between trip
Wiping power increases, and easily causes abrasion, has had a strong impact on product structure precision and service life；And optimization structure of the present utility model
Then considerably increase the engagement contact area between gear, and space is less, decreases sliding friction, be not only effectively increased gear
Between the stability of transmission, also reduce equipment attrition.
The utility model has the advantage of: harvester gear box output shaft mechanism of the present utility model and use this output shaft
The change speed gear box of mechanism, it is not necessary to change speed gear box integral disassembly, assembly, can carry out quick despatch to output shaft mechanism, it is simple to safeguards and uses；This
Utility model is simple and compact for structure, is effectively increased service life and the stability of parts.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of a kind of harvester gear box in embodiment；
Fig. 2 is the structural representation of output shaft mechanism left half axle in embodiment；
Fig. 3 is the internal structure schematic diagram of lazy spindle unit in embodiment；
Fig. 4 is the internal structure schematic diagram turning to clutch shaft part in embodiment；
Fig. 5 is the structural representation that in embodiment, idler gear and clutch gear connect；
Fig. 6 is the end face structure schematic diagram that in embodiment, idler gear and clutch gear connect；
Fig. 7 is the end face structure schematic diagram of tooth sector in embodiment.
Detailed description of the invention
Such as Fig. 1, shown in Fig. 2, a kind of harvester gear box, including gear box casing 1 and the output shaft that is arranged in housing 1
Mechanism 2, lazy spindle unit 3, steering cluth spindle unit 4；
Described output shaft mechanism 2 includes the axle tube 23 of left half axle 21, right axle shaft 22 and correspondence, described left 21, right
In the rotatable fixed cover of semiaxis 22 is loaded on described axle tube 23 and two ends are protruding, this output shaft mechanism 2 also includes passing
Dynamic output gear 24 and technique back-up ring 25, the installing hole 26 being provided centrally with band internal spline of described transmission output gear 24, institute
Stating external splines left 21, that right axle shaft 22 bottom outer-edge offers correspondence, the bottom of described left 21, right axle shaft 22 is through installing hole
26, couple with described transmission output gear 24 spline, described transmission output gear 24 installing hole outer rim is provided with annular projection 27,
Described left 21, right axle shaft 22 bottom end face is concordant with described annular projection 27 end face；Described technique back-up ring 25 is arranged at a described left side
21, between the transmission output gear 24 of right axle shaft 22 bottom, and two ends are connected to the sidewall of described transmission output gear 24 respectively
Center, described technique back-up ring 25 two ends offer the annular recess 28 corresponding with described annular projection 27, described annular recess 28
Concave surface dock with described annular projection 27, described left 21, the end face of right axle shaft 22 bottom respectively.
Described axle tube 23 top is provided with fixing position-limit mechanism 5, and described fixing position-limit mechanism 5 includes spacing base 51
And the limited cover 52 of correspondence, described spacing base 51 offers step-like ring-type shrinkage pool 53, described spacing base 51 passes through
The fixedly sleeved top at described axle tube 23 of ring-type shrinkage pool 53；In the step-like ring-type shrinkage pool 53 of described spacing base 51
Be disposed with limited block 54, barrier packing ring 55, first supports ball bearing 56, and described limited block bottom is connected to described semiaxis
On the top end face of sleeve pipe, described first supports ball bearing 56 abuts with the inwall of described limited cover 52, described limited cover 52
Top perforate, described limited cover 52 is fixedly connected on described spacing base 51 by fastening bolt；Described left 21, right axle shaft 22
Top sequentially pass through described limited block 54, barrier packing ring 55, first supports ball bearing 56 and limited cover, protruding,
In described left 21, right axle shaft 22 outer rim, corresponding described limited block 54 position is provided with ring-type spacing collar 29, described ring-type spacing collar
29 are connected on the end face of described limited block 54 bottom.
The bottom of described axle tube 23 is fixedly installed on the sidewall of described gear box casing 1 both sides respectively, described change
Speed tank shell 1 inwall correspondence axle tube 23 position offers the ring-type embedded hole of stairstepping 11 respectively, sets in described embedded hole 11
Being equipped with the second support ball bearing 12, described left 21, the bottom of right axle shaft 22 supports ball bearing 12 through described second, stretches into
In described gear box casing 1.
In above-mentioned output shaft structure, the clip eliminating left and right half bottom is spacing, only by being arranged on extra-organismal half
Semiaxis is fixed by pipe spreader 23, and by technique back-up ring 25, semiaxis bottom and locus thereof is carried out spacing guarantor
Protect, it is ensured that the stability in semiaxis running；When needs dismounting semiaxis, only axle tube 23 need to be disassembled, then will be partly
Axle is extracted out from axle tube 23；During installation, only semiaxis need to be inserted in axle tube 23, when semiaxis bottom props up technique
During groove 28 bottom surface of back-up ring 23, illustrate that semiaxis has pushed and put in place, then axle tube 23 is re-assemblied so that it is semiaxis is entered
Row is fixing spacing.This process is overall without dismantling change speed gear box, substantially increases and installs the efficiency safeguarded, does not also interfere with entirety
Structure precision.
As it is shown on figure 3, described lazy spindle unit 3 includes lazy axle axostylus axostyle 31 and lazy shaft gear 32, in described lazy shaft gear 32
The heart is provided with the roller bearing 33 agreed with described lazy axle axostylus axostyle 31 phase, and described lazy axle axostylus axostyle 31 passes described roller bearing 33,
Described lazy shaft gear 32 is made to be sheathed on described lazy axle axostylus axostyle 31.The purpose using roller bearing is to improve bearing and lazy axle
The contact area of axostylus axostyle, and then improve the stability of lazy shaft gear, it addition, the abrasion resistance properties of roller bearing also can be effectively improved
The service life of lazy spindle unit.
As shown in figs. 4-7, described steering cluth spindle unit 4 include main shaft 41, tooth sector 42, idler gear 43, from
Closing gear 44, described idler gear 43 is fixedly installed on described main shaft 41, and described clutch gear 44 is coaxially solid by bearing pin 45
Surely being arranged on the both sides sidewall of described idler gear 43, what described clutch gear 44 was provided centrally with band internal spline turns to pin-and-hole
46, described tooth sector 42 is slideably positioned on the main shaft 41 of described idler gear 43 both sides respectively, and described tooth sector 42 pushes up
End is provided with and turns to pin 47, described in turn to pin 47 surface configuration to have and agree with mutually with the described internal spline turning to pin-and-hole 46 outside
Spline, by turning to pin 47 and turning to pin-and-hole 46 to form spline connection between described tooth sector 42 and described clutch gear 44
Connect.In existing steering cluth spindle unit, general only dividing along axle center symmetry etc. on idler gear sidewall arranges 3-4 opening
The trip of formula, the top of corresponding tooth sector is then provided with same trip, logical between tooth sector and idler gear
Crossing the engagement of trip mutual dislocation to connect, in this structure, between trip, space is relatively big, contacts defective tightness, shape in rotary course
Become sliding friction, and trip to engage each other contact area less so that between trip, frictional force increases, and easily causes abrasion,
Product structure precision and service life are had a strong impact on；Optimization structure of the present utility model then considerably increases nibbling between gear
Close contact area, and space is less, decreases sliding friction, is not only effectively increased the stability of transmission between gear, also reduces
Equipment attrition.
The foregoing is only the preferred embodiment that this utility model is created, not in order to limit this utility model wound
Make, any amendment, equivalent and the improvement etc. made within all spirit in this utility model creation and principle, all should comprise
Within the protection domain that this utility model is created.
Claims (5)
1. a harvester gear box output shaft mechanism, including the axle tube of left half axle, right axle shaft and correspondence, a described left side,
The rotatable fixed cover of right axle shaft is loaded in described axle tube and two ends are protruding, it is characterised in that also include that transmission is defeated
Going out gear and technique back-up ring, the installing hole being provided centrally with band internal spline of described transmission output gear, at the bottom of described left and right half
Portion's outer rim offers the external splines of correspondence, and the bottom of described left and right half passes described installing hole, with described transmission output gear
Spline couples, and described transmission output gear installing hole outer rim is provided with annular projection, and described left and right half bottom end face is with described
Annular projection end face is concordant；Described technique back-up ring is arranged between the transmission output gear of described left and right half bottom, and two ends
Being connected to the sidewall center of described transmission output gear respectively, described technique back-up ring two ends offer corresponding with described annular projection
Annular recess, the concave surface of described annular recess end face with described annular projection, described left and right half bottom respectively docks.
2. harvester gear box output shaft mechanism as claimed in claim 1, it is characterised in that described axle tube top is arranged
There are fixing position-limit mechanism, described fixing position-limit mechanism to include the limited cover of spacing base and correspondence, described spacing base is offered
Having step-like ring-type shrinkage pool, described spacing base passes through the fixedly sleeved top at described axle tube of ring-type shrinkage pool；Described
Limited block, barrier packing ring, the first support ball bearing, described limit it is disposed with in the step-like ring-type shrinkage pool of spacing base
Block bottom, position is connected on the top end face of described axle tube, and described first supports the inwall of ball bearing and described limited cover
Abutting, described limited cover top perforate, described limited cover is fixedly connected on described spacing base by fastening bolt；Described
The top of left and right half sequentially passes through described limited block, barrier packing ring, the first support ball bearing and limited cover, to overhanging
Going out, in described left and right half outer rim, corresponding described limited block position is provided with ring-type spacing collar, and described ring-type spacing collar is connected to
On the end face of described limited block bottom.
3. a harvester gear box, it is characterised in that include gear box casing and be arranged in housing such as claim 1 or
Output shaft mechanism described in 2, lazy spindle unit, steering cluth spindle unit；
The bottom of described axle tube is fixedly installed on the sidewall of described gear box casing both sides respectively, described gear box casing
Inwall correspondence axle tube position offers the ring-type embedded hole of stairstepping respectively, is provided with the second support ball in described embedded hole
Bearing, the bottom of described left and right half supports ball bearing through described second, extend in described transmission housing body.
4. harvester gear box as claimed in claim 3, it is characterised in that described lazy spindle unit includes lazy axle axostylus axostyle and lazy axle
Gear, the roller bearing being provided centrally with agreeing with mutually with described lazy axle axostylus axostyle of described lazy shaft gear, described lazy axle axostylus axostyle passes
Described roller bearing, makes described lazy shaft gear be sheathed on described lazy axle axostylus axostyle.
5. harvester gear box as claimed in claim 3, it is characterised in that described steering cluth spindle unit include main shaft,
Tooth sector, idler gear, clutch gear, described idler gear is fixedly installed on described main shaft, and described clutch gear passes through
Bearing pin is coaxially fixedly installed on the both sides sidewall of described idler gear, and described clutch gear is provided centrally with turning of band internal spline
To pin-and-hole, described tooth sector is slideably positioned on the main shaft of described idler gear both sides respectively, and described tooth sector top sets
Be equipped with and turn to pin, described in turn to pin surface configuration to have the external splines agreed with mutually with the described internal spline turning to pin-and-hole, make institute
Stating tooth sector divides formation spline between described clutch gear to couple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620611435.4U CN205745208U (en) | 2016-06-21 | 2016-06-21 | A kind of harvester gear box output shaft mechanism and harvester gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620611435.4U CN205745208U (en) | 2016-06-21 | 2016-06-21 | A kind of harvester gear box output shaft mechanism and harvester gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745208U true CN205745208U (en) | 2016-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620611435.4U Withdrawn - After Issue CN205745208U (en) | 2016-06-21 | 2016-06-21 | A kind of harvester gear box output shaft mechanism and harvester gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909767A (en) * | 2016-06-21 | 2016-08-31 | 滁州悦达实业有限公司 | Harvester gearbox output shaft mechanism and harvester gearbox |
-
2016
- 2016-06-21 CN CN201620611435.4U patent/CN205745208U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909767A (en) * | 2016-06-21 | 2016-08-31 | 滁州悦达实业有限公司 | Harvester gearbox output shaft mechanism and harvester gearbox |
| CN105909767B (en) * | 2016-06-21 | 2018-07-31 | 滁州悦达实业有限公司 | A kind of harvester gear box output shaft mechanism and harvester gear box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20180731 |