CN107654604A - A kind of agricultural hydraulic travel driving unit - Google Patents
A kind of agricultural hydraulic travel driving unit Download PDFInfo
- Publication number
- CN107654604A CN107654604A CN201711007308.9A CN201711007308A CN107654604A CN 107654604 A CN107654604 A CN 107654604A CN 201711007308 A CN201711007308 A CN 201711007308A CN 107654604 A CN107654604 A CN 107654604A
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- China
- Prior art keywords
- gear
- valve body
- valve
- housing
- spring
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
- F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02056—Gearboxes for particular applications for vehicle transmissions for utility vehicles, e.g. tractors or agricultural machines
Abstract
The invention discloses a kind of agricultural hydraulic travel driving unit,Including valve body,Spring,Control valve element,Shuttle valve spool,Valve plate,Cylinder body,Main shaft,Brake piston,Tripping spring,Power transmission shaft,Norton gear,Derrick crane,Series connection gear,Four star gears,Derrick crane axle,Housing,Float grease seal,Variable piston,Swash plate,Steel ball,Brake block and paper substrate brake block,This kind of agricultural hydraulic travel driving unit,Motor and decelerator are integrated with the basis of hydraulic moving driving device in Traditional Agricultural and realize higher power density,Output torque is larger,And there is the higher speed of travel,Improve the operating efficiency of equipment,And there is larger torque output,And realize the Intensive Design that the structure of product is accomplished to Minimal Realization product,Product will not produce the unstability of parking braking because of the pressure change of inside simultaneously,It ensure that the reliability of variable.
Description
Technical field
The present invention relates to technical field of driving, specially a kind of agricultural hydraulic travel driving unit.
Background technology
With the development of agricultural modernization, the use of agricultural machinery is more and more extensive, present farm machinery running gear city
Field is mainly based on the box running gear of mechanical speed change.
But the driving of existing agricultural equipment uses bridge-type differential mechanism more, because agricultural machinery is in cultivation and banking, fertilising and spray
Medicine etc. is needed to avoid the height of crops, and under these conditions, bridge-type differential mechanism can not meet, the intertillage of crops is wanted
Ask.
So how to design a kind of agricultural hydraulic travel driving unit, turning into us will currently solve the problems, such as.
The content of the invention
It is an object of the invention to provide a kind of agricultural hydraulic travel driving unit, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical scheme：A kind of agricultural hydraulic travel driving unit, including valve
Body, spring, control valve element, shuttle valve spool, valve plate, cylinder body, main shaft, brake piston, tripping spring, power transmission shaft, Norton gear,
Derrick crane, series connection gear, four star gears, derrick crane axle, housing, float grease seal, variable piston, swash plate, steel ball, brake block and paper
Base brake block, the side of the valve body are provided with spring, and the spring is screwed with valve body to be connected, one end of the valve body
Control valve element and shuttle valve spool are respectively equipped with, and the control valve element and shuttle valve spool are brought into close contact fixation with valve body, it is described
The side of valve body is provided with valve plate, and the valve plate welds with valve body, and the side of the valve plate is provided with cylinder body, the cylinder body and
Valve plate connects, and the bottom side of the cylinder body is provided with main shaft, and the main shaft is flexibly connected with cylinder body by screw, the cylinder body
Side be provided with brake piston, and brake piston insertion is arranged in cylinder body, and the side of the brake piston is provided with braking
Spring, the brake piston weld with tripping spring；
One end of the main shaft is provided with power transmission shaft, and the power transmission shaft is connected with spindle mobility, and the side of the valve body is provided with Samsung
Gear and derrick crane, the Norton gear are fixedly connected with derrick crane by being arranged on the derrick crane axle of Norton gear side, institute
The side for stating derrick crane is provided with series connection gear, and the series connection gear is meshed with derrick crane, and the series connection gear is with being arranged on string
Four star gears of connection gear bottom side are meshed, and the four stars gear passes through screw with being arranged on the housing of four star gear sides
It is fixedly connected, the side of the housing is provided with float grease seal, and the float grease seal passes through strength glue bond, the housing with housing
Inside be provided with variable piston, and variable piston insertion is set in the housing, and the top of the variable piston is provided with swash plate,
The swash plate is flexibly connected with variable piston, and the interior side of the housing and swash plate is provided with steel ball, and steel ball insertion is set
Put in housing and swash plate, the bottom of the brake piston is provided with paper substrate brake block and brake block, the paper substrate brake block and brake
Car piece is flexibly connected with brake piston.
Further, the side of the four stars gear is provided with gear ring, and the gear ring is meshed with four star gears.
Further, the side of the spring is provided with screw plug, and the screw plug engages with spring.
Further, the side of the gear ring is provided with nut, and the nut is threadedly coupled with gear ring.
Further, the side of the valve body is provided with fixed block, and the fixed block is screwed with valve body to be connected.
Compared with prior art, the beneficial effects of the invention are as follows：This kind of agricultural hydraulic travel driving unit, used in Traditional Agricultural
The basis of hydraulic moving driving device, which integrates motor and decelerator, realizes higher power density, output torque compared with
Greatly, and there is the higher speed of travel, improves the operating efficiency of equipment, and there is larger torque output, Er Qieshi
The structure of product is now accomplished to the Intensive Design of Minimal Realization product, while product will not produce because of the pressure change of inside
The unstability of raw parking braking, ensure that the reliability of variable, the drive device mainly takes hydrostatic drive, compact-sized
And rule density is higher.
Brief description of the drawings
Fig. 1 is the front sectional view of the present invention；
Fig. 2 is the sectional view of swash plate of the present invention；
Fig. 3 is the vertical view cutaway drawing of the present invention；
Fig. 4 is the sectional view of valve plate of the present invention；
Fig. 5 is the side view cutaway drawing of the present invention；
In figure：1- valve bodies；2- fixed blocks；3- screw plugs；4- springs；5- controls valve element；6- shuttle valve spools；7- valve plates；8- cylinder bodies；
9- main shafts；10- brake pistons；11- tripping springs；12- power transmission shafts；13- Norton gears；14- derrick cranes；15- derrick crane axles；
16- series connection gears；The star gears of 17- tetra-；18- gear rings；19- housings；20- nuts；21- float grease seals；22- variable pistons；23- is oblique
Disk；24- steel balls；25- brake blocks；26- paper substrate brake blocks.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-5 are referred to, the present invention provides a kind of technical scheme：A kind of agricultural hydraulic travel driving unit, including valve body
1st, spring 4, control valve element 5, shuttle valve spool 6, valve plate 7, cylinder body 8, main shaft 9, brake piston 10, tripping spring 11, power transmission shaft
12nd, Norton gear 13, derrick crane 14, series connection gear 16, four star gears 17, derrick crane axle 15, housing 19, float grease seal 21, change
Amount piston 22, swash plate 23, steel ball 24, brake block 25 and paper substrate brake block 26, the side of the valve body 1 are provided with spring 4, the bullet
Spring 4 is screwed with valve body 1 and is connected, and one end of the valve body 1 is respectively equipped with control valve element 5 and shuttle valve spool 6, and described
Control valve element 5 and shuttle valve spool 6 are brought into close contact fixation with valve body 1, and the side of the valve body 1 is provided with valve plate 7, the flow
Disk 7 welds with valve body 1, and the side of the valve plate 7 is provided with cylinder body 8, and the cylinder body 8 connects with valve plate 7, the cylinder body 8
Bottom side is provided with main shaft 9, and the main shaft 9 is flexibly connected with cylinder body 8 by screw, and the side of the cylinder body 8 is provided with braking and lived
Plug 10, and the insertion of the brake piston 10 is arranged in cylinder body 8, the side of the brake piston 10 is provided with tripping spring 11, institute
Brake piston 10 is stated to weld with tripping spring 11；
One end of the main shaft 9 is provided with power transmission shaft 12, and the power transmission shaft 12 is flexibly connected with main shaft 9, and the side of the valve body 1 is set
There are a Norton gear 13 and derrick crane 14, the Norton gear 13 and derrick crane 14 are by being arranged on the Samsung of the side of Norton gear 13
Frame axle 15 is fixedly connected, and the side of the derrick crane 14 is provided with series connection gear 16, and the series connection gear 16 is nibbled with the phase of derrick crane 14
Close, the series connection gear 16 is meshed with being arranged on four star gears 17 of the series connection bottom side of gear 16, the four stars gear 17
Housing 19 with being arranged on the side of four star gear 17, which is screwed, to be connected, and the side of the housing 19 is provided with float grease seal
21, the float grease seal 21 is provided with variable piston 22 with housing 19 by strength glue bond, the inside of the housing 19, and described
The insertion of variable piston 22 is arranged in housing 19, and the top of the variable piston 22 is provided with swash plate 23, the swash plate 23 and variable
Piston 22 is flexibly connected, and the interior side of the housing 19 and swash plate 23 is provided with steel ball 24, and the insertion of the steel ball 24 is arranged on
In housing 19 and swash plate 23, the bottom of the brake piston 10 is provided with paper substrate brake block 26 and brake block 25, the paper substrate brake
Piece 26 and brake block 25 are flexibly connected with brake piston 10.
Further, the side of the four stars gear 17 is provided with gear ring 18, and the gear ring 18 is meshed with four star gears 17,
By the way that gear ring 18 is meshed with four star gears 17, output torque can be facilitated.
Further, the side of the spring 4 is provided with screw plug 3, and the screw plug 3 engages with spring 4, by setting screw plug 3
Spring 4 is played a part of being fixed.
Further, the side of the gear ring 18 is provided with nut 20, and the nut 20 is threadedly coupled with gear ring 18, by setting
Put nut 20 and facilitate fixed gear ring 18.
Further, the side of the valve body 1 is provided with fixed block 2, the fixed block 2 and the company of being screwed of valve body 1
Connect, by setting fixed block 2 to play fixed effect to valve body 1.
Operation principle：First, hydraulic oil is entered by the internal galleries A mouths of valve body 1, the flow by A mouths by valve plate 7
Groove reaches cylinder body 8, in the presence of hydraulic coupling, produces the moment of torsion of rotation, and cylinder body 8 is connected with main shaft 9 in the form of spline, main
Axle 9 rotates together with cylinder body 8, produces moment of torsion, and hydraulic oil reaches low-pressure side by the cylinder body 8 of rotation, from the B of valve body 1
Mouth discharge, the valve body 1 are not used any Median Function to control, are had system in the outside of cylinder body 8 in addition using straight-through connected mode
Piston 10, brake piston 10 are fitted with tripping spring 11, sealing ring are housed in the outside of brake piston 10, in brake piston 10
Lower end is provided with paper substrate brake block 26 and brake block 25, and both alternately arrange, and is provided with spacer ring in the lower end of brake block 25, main shaft 9,
Paper substrate brake(-holder) block 26 and brake piston 10 are separately mounted in the inner chamber of housing 19, and other one section of main shaft 9 has bearing connection,
The other end of main shaft 9 is connected using the form of internal spline with power transmission shaft 12, realizes that the moment of torsion of main shaft 9 is transferred to power transmission shaft 12
Other end, the big end of power transmission shaft 12 are provided with screwed hole, and big plug is provided centrally with end cap, and the screw plug 3 will can pass
Moving axis 12 pulls out from the hole, avoid caused by failure and other reasons can not telephone-moving phenomenon, Norton gear 13 and derrick crane 14
It is fixed on by derrick crane axle 15 and screw on derrick crane 14, derrick crane 14 is meshed with series connection gear 16, the He of gear 16 of connecting
Derrick crane 14 is together with identical rotational speed, and series connection gear 16 is meshed with four star gears 17, and four star gears 17 are fixed
Moment of torsion is transmitted to gear ring 18 around four post rotations, four star gears 17 on four posts of housing 19, passes through the method for gear ring 18
Blue disk output torque, two bearings are provided with the endoporus of gear ring 18, bearing plays spacing effect by jump ring, in bearing
Other end is provided with nut 20, and bearing is fixed on housing 19 by the nut 20, housing 19 is housed, in housing in the endoporus of bearing
19 flange lower end is provided with float grease seal 21, ensures that gear ring 18 and housing 19 are not in oil leakage phenomenon, at the same time, in valve
Part A and B the mouth both ends of body 1 are respectively provided with screw plug 3 and O-ring plays a part of sealing, and one is designed with the lower end of valve body 1
Individual control valve element 5, the control valve element 5 form the control valve of a two-position four-way together with valve body 1, are set in the imperforate section of valve element
There is a screw plug 3, the inner chamber of valve body 1 is provided with an oil circuit to be communicated with outside oil circuit, is controlled by outer liquid force feed, in valve element
Other end be provided with a spring eye, the inside is equipped with spring 4, and the reset of valve element is realized in the effect of spring 4, in the another of spring 4
Outer one end has that screw plug 3 is spacing, and a shuttle valve spool 6, two operating positions, in company's section point of valve body 1 are provided with the lowermost end of valve body 1
Three oil ducts are not provided with, and these three oil ducts are indirectly connected with A mouths, oil return opening, B mouths respectively, due to having one on valve body 1
Aperture is connected with interstitial hole, and the hole is connected with a deep hole of housing 19, and work of the hole directly with housing 19
Consent communicates, and variable piston 22 is housed in the hole, the upper end of variable piston 22 is provided with the structure of arc, when there is hydraulic coupling
Variable piston 22 will move upwards, promote swash plate 23, the other end of swash plate 23 is provided with two ball-and-sockets, is equipped with ball-and-socket
Steel ball 24, steel ball 24 are placed in the ball-and-socket of housing 19 and swash plate 23 simultaneously respectively, play a part of hinge-connection, in the P of valve body 1
Face sets the hydraulic fluid port hydraulic fluid port to be connected with external pressure oil, by the oil duct of valve body 1 and the oil duct of housing 19, reaches brake piston
10 and housing 19 form plunger shaft in, when there is pressure oil to the direction of valve body 1 move, make paper substrate brake block 26 and brake block 25
Separation, realizes the releasing of braking, when pressure is cancelled, and brake piston 10 is compressed into paper substrate by the active force of tripping spring 11 stops
Car piece 26 and brake block 25, the process of brake is realized, realizes the parking braking of vehicle.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of agricultural hydraulic travel driving unit, including valve body（1）, spring（4）, control valve element（5）, shuttle valve spool（6）, match somebody with somebody
Flow table（7）, cylinder body（8）, main shaft（9）, brake piston（10）, tripping spring（11）, power transmission shaft（12）, Norton gear（13）, three
Carrier（14）, series connection gear（16）, four star gears（17）, derrick crane axle（15）, housing（19）, float grease seal（21）, variable live
Plug（22）, swash plate（23）, steel ball（24）, brake block（25）With paper substrate brake block（26）, it is characterised in that：The valve body（1）'s
Side is provided with spring（4）, the spring（4）With valve body（1）It is screwed connection, the valve body（1）One end set respectively
There is control valve element（5）And shuttle valve spool（6）, and the control valve element（5）And shuttle valve spool（6）And valve body（1）It is brought into close contact
It is fixed, the valve body（1）Side be provided with valve plate（7）, the valve plate（7）With valve body（1）Welding, the valve plate（7）
Side be provided with cylinder body（8）, the cylinder body（8）With valve plate（7）Connection, the cylinder body（8）Bottom side be provided with main shaft
（9）, the main shaft（9）With cylinder body（8）It is flexibly connected by screw, the cylinder body（8）Side be provided with brake piston（10）, and
The brake piston（10）Insertion is arranged on cylinder body（8）In, the brake piston（10）Side be provided with tripping spring（11）, institute
State brake piston（10）With tripping spring（11）Welding；
The main shaft（9）One end be provided with power transmission shaft（12）, the power transmission shaft（12）With main shaft（9）It is flexibly connected, the valve body
（1）Side be provided with Norton gear（13）And derrick crane（14）, the Norton gear（13）With derrick crane（14）By being arranged on
Norton gear（13）The derrick crane axle of side（15）It is fixedly connected, the derrick crane（14）Side be provided with series connection gear（16）,
The series connection gear（16）With derrick crane（14）It is meshed, the series connection gear（16）With being arranged on gear of connecting（16）Bottom one
Four star gears of side（17）It is meshed, the four stars gear（17）With being arranged on four star gears（17）The housing of side（19）Pass through
Screw is fixedly connected, the housing（19）Side be provided with float grease seal（21）, the float grease seal（21）With housing（19）It is logical
Cross strength glue bond, the housing（19）Inside be provided with variable piston（22）, and the variable piston（22）Insertion is arranged on
Housing（19）In, the variable piston（22）Top be provided with swash plate（23）, the swash plate（23）With variable piston（22）Activity
Connection, the housing（19）And swash plate（23）Interior side be provided with steel ball（24）, and the steel ball（24）Insertion is arranged on shell
Body（19）And swash plate（23）In, the brake piston（10）Bottom be provided with paper substrate brake block（26）And brake block（25）, it is described
Paper substrate brake block（26）And brake block（25）With brake piston（10）It is flexibly connected.
A kind of 2. agricultural hydraulic travel driving unit according to claim 1, it is characterised in that：The four stars gear（17）
Side be provided with gear ring（18）, the gear ring（18）With four star gears（17）It is meshed.
A kind of 3. agricultural hydraulic travel driving unit according to claim 1, it is characterised in that：The spring（4）One
Side is provided with screw plug（3）, the screw plug（3）With spring（4）Engaging.
A kind of 4. agricultural hydraulic travel driving unit according to claim 2, it is characterised in that：The gear ring（18）One
Side is provided with nut（20）, the nut（20）With gear ring（18）Threaded connection.
A kind of 5. agricultural hydraulic travel driving unit according to claim 1, it is characterised in that：The valve body（1）One
Side is provided with fixed block（2）, the fixed block（2）With valve body（1）It is screwed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007308.9A CN107654604B (en) | 2017-12-11 | 2017-12-11 | Agricultural hydraulic walking driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007308.9A CN107654604B (en) | 2017-12-11 | 2017-12-11 | Agricultural hydraulic walking driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107654604A true CN107654604A (en) | 2018-02-02 |
| CN107654604B CN107654604B (en) | 2023-08-11 |
Family
ID=61118243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711007308.9A Active CN107654604B (en) | 2017-12-11 | 2017-12-11 | Agricultural hydraulic walking driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107654604B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361344A (en) * | 2018-04-17 | 2018-08-03 | 青岛力克川液压机械有限公司 | A kind of cam-type axial piston hydraulic motor driving slewing equipment |
| CN115875225A (en) * | 2022-10-18 | 2023-03-31 | 青岛力克川液压机械有限公司 | Piston variable mechanism of swash plate plunger pump and motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177931A (en) * | 1995-12-27 | 1997-07-11 | Nabco Ltd | Crawler driving unit |
| US6122996A (en) * | 1998-11-20 | 2000-09-26 | Hydro-Gear Limited Partnership | Hydrostatic transmission |
| CN101144525A (en) * | 2007-10-18 | 2008-03-19 | 镇江大力液压马达有限责任公司 | Compact hydraulic motor gear reducer |
| CN102287495A (en) * | 2011-05-31 | 2011-12-21 | 康少松 | Planet gear-orbiting reducer with two transmission ratios |
| CN106051068A (en) * | 2016-07-22 | 2016-10-26 | 青岛力克川液压机械有限公司 | Agricultural machinery caterpillar band hydraulic drive device |
-
2017
- 2017-12-11 CN CN201711007308.9A patent/CN107654604B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177931A (en) * | 1995-12-27 | 1997-07-11 | Nabco Ltd | Crawler driving unit |
| US6122996A (en) * | 1998-11-20 | 2000-09-26 | Hydro-Gear Limited Partnership | Hydrostatic transmission |
| CN101144525A (en) * | 2007-10-18 | 2008-03-19 | 镇江大力液压马达有限责任公司 | Compact hydraulic motor gear reducer |
| CN102287495A (en) * | 2011-05-31 | 2011-12-21 | 康少松 | Planet gear-orbiting reducer with two transmission ratios |
| CN106051068A (en) * | 2016-07-22 | 2016-10-26 | 青岛力克川液压机械有限公司 | Agricultural machinery caterpillar band hydraulic drive device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361344A (en) * | 2018-04-17 | 2018-08-03 | 青岛力克川液压机械有限公司 | A kind of cam-type axial piston hydraulic motor driving slewing equipment |
| CN115875225A (en) * | 2022-10-18 | 2023-03-31 | 青岛力克川液压机械有限公司 | Piston variable mechanism of swash plate plunger pump and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107654604B (en) | 2023-08-11 |
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