CN208169440U - Double dynamical chang-over speed reducing box - Google Patents
Double dynamical chang-over speed reducing box Download PDFInfo
- Publication number
- CN208169440U CN208169440U CN201820243108.7U CN201820243108U CN208169440U CN 208169440 U CN208169440 U CN 208169440U CN 201820243108 U CN201820243108 U CN 201820243108U CN 208169440 U CN208169440 U CN 208169440U
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- Prior art keywords
- gear
- grade
- tooth
- cabinet
- low
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000003971 tillage Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
A kind of double dynamical chang-over speed reducing box closes the case lid in cabinet port including cabinet and lid, and box frame is equipped with input shaft and output shaft, and input shaft and output shaft are vertically arranged, and transmission shaft is equipped between input shaft and output shaft；Low-grade master gear and high-grade master gear are set on transmission shaft, the tooth hub tooth engagement piece for realizing gear shift is equipped between low-grade master gear and high-grade master gear, input shaft protrudes into the intracorporal end setting conial tooth part of case, bevel gear is installed, the bevel gear engagement on the conial tooth part and transmission shaft on input shaft on transmission shaft；The output shaft is equipped with low-grade driven gear and high-grade driven gear, and low-grade driven gear is engaged with low-grade driving gear, and high-grade driven gear is engaged with high-grade driving gear.The utility model provides a kind of double dynamical chang-over speed reducing box, so that complete machine is highly improved in terms of use reliability.
Description
Technical field
The utility model belongs to caterpillar tractor rotary tillage portion of techniques field, refers in particular to a kind of double dynamical chang-over speed reducing box.
Background technique
The utility model belongs to agriculture crawler type paddy field tractor rotary tillage section components, is paddy field tractor dress rotary tillage machine
Reduction gearbox.China is large agricultural country, in recent years, carries out rotary tillage process with tractor and has obtained very big development, all kinds of
Tractor production quantity hits new peak repeatly, becomes the field of most active, most rich vigor in agro-based industry, is classified as preferentially by country
Encourage the machinery industry of development.But complete machine still have in terms of use reliability it is to be hoisted.
Utility model content
The purpose of the utility model is to provide a kind of double dynamical chang-over speed reducing boxes, so that complete machine obtains in terms of use reliability
To larger promotion.
What the purpose of this utility model was realized in：A kind of double dynamical chang-over speed reducing box, including cabinet and lid are closed in case
The case lid of body end mouth, box frame are equipped with input shaft and output shaft, and input shaft and output shaft be vertically arranged, input shaft and output shaft it
Between be equipped with transmission shaft；Low-grade master gear and high-grade master gear are set on transmission shaft, between low-grade master gear and high-grade master gear
Equipped with the tooth hub tooth engagement piece for realizing gear shift, input shaft protrudes into the intracorporal end setting conial tooth part of case, installation cone tooth on transmission shaft
It takes turns, the bevel gear engagement on the conial tooth part and transmission shaft on input shaft；The output shaft is equipped with low-grade driven gear and top grade
Driven gear, low-grade driven gear are engaged with low-grade driving gear, and high-grade driven gear is engaged with high-grade driving gear.
Wherein, the tooth hub tooth engagement piece includes tooth hub and tooth set, and tooth hub inner ring and splined driveshaft cooperate, tooth hub outer ring
Cover spline fitted with tooth, tooth cover opposite tooth hub can axial displacement, tooth set is connected with the shift fork for driving its axial displacement；The top grade
Driving gear and low-grade driving gear are respectively double structure, are respectively arranged to cover the pair engaged with tooth with tooth set sides adjacent
Tooth.
Wherein, the shift fork is fixed in shift fork axle, and axially on cabinet, shift fork axle one end is equipped with shift fork axle for sliding cooperation
Gear shift slot, gear shift slot is interior to cooperate steel ball, and steel ball back, which compresses, spring.
Wherein, the shift fork is connected with the rocker arm of manipulation shift fork, and rocker arm includes being located in the box body gear shift inner rocker arm and position
In the gear shift outer rocker arm outside cabinet, connected between gear shift inner rocker arm and gear shift outer rocker arm by the shaft being erected on cabinet.
Wherein, bearing block is arranged on the input shaft, bearing block is fixed on cabinet side, bearing block inner end setting annular
Flange, annular flange protrude into cabinet installing port and form fixing structure, and bearing is respectively set in inner port and external port in bearing block；Axis
It holds and is fastened by bolts between end face and wall box.
Wherein, O-ring is set between the annular flange lateral wall and cabinet installing port inner wall.
The utility model forms sealing space by integral housing and case lid, blanking cover, input bevel gear shaft and output shaft at
90 ° of arrangements, input bevel gear shaft are coupled with rear axle using singly-bound coupling sleeve, and output shaft is bonded using rectangular flower with rotary tillage machine
It connects, by the gear drive on transmission shaft, keeps input shaft identical as output shaft rotation direction.Liquid lubricant is filled when use, makes axis
Good lubrication can be obtained with gear by holding.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
1, the utility model is separated using autonomous closure formula structure and rear axle, easy to maintenance；
2, gear shift is carried out using tooth hub tooth engagement piece, reduces shifting shock and noise, increases the reliability of product, make
Gear shift light and flexible shortens the oscillating stroke of gear shifting rocking arm；.
3, the bearing block for inputting bevel gear shaft adds O-ring that bolt connection mode is added to couple with shell using seam allowance, positions, is close
Envelope is reliable, convenient for the adjustment of bevel gear contact zone；Liquid lubricant is filled when use, bearing and gear lubrication are good, and the service life is long.
Detailed description of the invention
Fig. 1 is the utility model external view；
Fig. 2 is the cross-sectional view in the direction A-A in Fig. 1；
Fig. 3 is the cross-sectional view in the direction B-B in Fig. 1；
Fig. 4 is the cross-sectional view in the direction D-D in Fig. 1；
Fig. 5 is the cooperation figure of shift fork and shift fork axle；
Fig. 6 is the structure chart on transmission shaft.
Appended drawing reference：1, case lid；2, cabinet；3, input shaft；4, bearing block；4a, annular flange；4b, O-ring；5, it exports
Axis；6, rocker arm；6a, gear shift inner rocker arm；6b, shaft；6c, gear shift outer rocker arm；7, transmission shaft；8, bevel gear；9, low-grade master gear；
10, tooth hub tooth engagement piece；10a, tooth set；10b, tooth hub；11, high-grade master gear；12, low-grade driven gear；13, high-grade passive tooth
Wheel；14, shift fork；15, conial tooth part；16, bearing；17, bolt；18, steel ball；19, spring；20, shift fork axle；20a, gear shift slot.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1-6：
A kind of double dynamical chang-over speed reducing box closes the case lid 1 in 2 port of cabinet including cabinet 2 and lid, and cabinet 2 is provided with defeated
Enter axis 3 and output shaft 5, input shaft 3 and output shaft 5 are vertically arranged, and transmission shaft 7 is equipped between input shaft 3 and output shaft 5；Transmission
It is set with low-grade master gear 9 and high-grade master gear 11 on axis 7, is equipped with realization between low-grade master gear 9 and high-grade master gear 11 and changes
The tooth hub tooth engagement piece 10 of shelves, input shaft 3 protrude into the setting of the end in cabinet 2 conial tooth part 15, install bevel gear 8 on transmission shaft 7,
Bevel gear 8 on conial tooth part 15 and transmission shaft 7 on input shaft 3 engages；The output shaft 5 is equipped with 12 He of low-grade driven gear
High-grade driven gear 13, low-grade driven gear 12 are engaged with low-grade driving gear, high-grade driven gear 13 and high-grade driving gear
Engagement.
Specifically see that Fig. 6, the tooth hub tooth engagement piece 10 include that tooth hub 10b and tooth cover 10a, tooth hub 10b inner ring and transmission shaft 7
Spline fitted, the tooth outer ring hub 10b and tooth cover 10a spline fitted, tooth cover 10a with respect to tooth hub 10b can axial displacement, tooth covers 10a company
It is connected to the shift fork 14 for driving its axial displacement；The top grade driving gear and low-grade driving gear are respectively double structure, with tooth
Set 10a sides adjacent is respectively arranged to cover the secondary tooth that 10a is engaged with tooth.
In conjunction with Fig. 4 and Fig. 5, the shift fork 14 is fixed in shift fork axle 20, and the axial sliding cooperation of shift fork axle 20 is in cabinet 2
On, 20 one end of shift fork axle is equipped with gear shift slot 20a, steel ball 18 is cooperated in gear shift slot 20a, 18 back of steel ball, which compresses, spring 19.
In conjunction with Fig. 3, the shift fork 14 is connected with the rocker arm 6 of manipulation shift fork 14, and rocker arm 6 includes the gear shift in cabinet 2
Inner rocker arm 6a and gear shift outer rocker arm 6c, gear shift inner rocker arm 6a outside cabinet 2 and between gear shift outer rocker arm 6c by being erected at
Shaft 6b connection on cabinet 2.
It specifically sees Fig. 3,16 4, bearing is arranged on the input shaft 3,16 4, bearing are fixed on 2 side of cabinet, bearing
Annular flange 4a is arranged in 16 4 inner ends, and annular flange 4a protrudes into 2 installing port of cabinet and forms fixing structure, and 16 4, bearing in inner end
Bearing 16 is respectively set in mouth and external port；It is fastened between 16 4 end faces of bearing and 2 side wall of cabinet by bolt 17.
Wherein, O-ring 4b is set between 2 installing port inner wall of the annular flange 4a lateral wall and cabinet.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model
Within the scope of.
Claims (6)
1. a kind of double dynamical chang-over speed reducing box closes the case lid in cabinet port including cabinet and lid, it is characterised in that：Cabinet is set up
There are input shaft and output shaft, input shaft and output shaft are vertically arranged, and transmission shaft is equipped between input shaft and output shaft；On transmission shaft
It is set with low-grade master gear and high-grade master gear, is equipped with the tooth hub tooth set for realizing gear shift between low-grade master gear and high-grade master gear
Component, input shaft protrude into the intracorporal end setting conial tooth part of case, install bevel gear on transmission shaft, conial tooth part and biography on input shaft
Bevel gear engagement on moving axis；The output shaft is equipped with low-grade driven gear and high-grade driven gear, low-grade driven gear with
Low-grade driving gear engagement, high-grade driven gear are engaged with high-grade driving gear.
2. double dynamical chang-over speed reducing box according to claim 1, it is characterised in that：The tooth hub tooth engagement piece includes tooth hub
With tooth set, tooth hub inner ring and splined driveshaft cooperate, and tooth hub outer ring and tooth cover spline fitted, and tooth covers opposite tooth hub can axial position
It moves, tooth set is connected with the shift fork for driving its axial displacement；The top grade driving gear and low-grade driving gear are respectively duplex knot
Structure is respectively arranged to cover the secondary tooth engaged with tooth with tooth set sides adjacent.
3. double dynamical chang-over speed reducing box according to claim 2, it is characterised in that：The shift fork is fixed in shift fork axle,
Axially sliding cooperation is on cabinet for shift fork axle, and shift fork axle one end is equipped with gear shift slot, and steel ball is cooperated in gear shift slot, and steel ball back compresses
There is spring.
4. double dynamical chang-over speed reducing box according to claim 2, it is characterised in that：The shift fork is connected with manipulation shift fork
Rocker arm, rocker arm include being located in the box body gear shift inner rocker arm and the gear shift outer rocker arm outside cabinet, gear shift inner rocker arm and gear shift
It is connected between outer rocker arm by the shaft being erected on cabinet.
5. double dynamical chang-over speed reducing box according to claim 1, it is characterised in that：Bearing is arranged on the input shaft
Seat, bearing block are fixed on cabinet side, and annular flange is arranged in bearing block inner end, and annular flange protrudes into cabinet installing port and forms seam allowance
Bearing is respectively set in inner port and external port in structure, bearing block；It is fastened by bolts between bearing block end face and wall box.
6. double dynamical chang-over speed reducing box according to claim 5, it is characterised in that：The annular flange lateral wall and cabinet
O-ring is set between installing port inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820243108.7U CN208169440U (en) | 2018-02-09 | 2018-02-09 | Double dynamical chang-over speed reducing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820243108.7U CN208169440U (en) | 2018-02-09 | 2018-02-09 | Double dynamical chang-over speed reducing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169440U true CN208169440U (en) | 2018-11-30 |
Family
ID=64384557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820243108.7U Expired - Fee Related CN208169440U (en) | 2018-02-09 | 2018-02-09 | Double dynamical chang-over speed reducing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469649A (en) * | 2019-09-04 | 2019-11-19 | 山东雷沃传动有限公司 | A kind of electrichydraulic control shift transmission |
-
2018
- 2018-02-09 CN CN201820243108.7U patent/CN208169440U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469649A (en) * | 2019-09-04 | 2019-11-19 | 山东雷沃传动有限公司 | A kind of electrichydraulic control shift transmission |
| CN110469649B (en) * | 2019-09-04 | 2023-09-12 | 山东雷沃传动有限公司 | Electrohydraulic control gear shifting gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |