CN208931135U - A kind of novel wheel-type tractor dynamic power output device - Google Patents
A kind of novel wheel-type tractor dynamic power output device Download PDFInfo
- Publication number
- CN208931135U CN208931135U CN201821760126.9U CN201821760126U CN208931135U CN 208931135 U CN208931135 U CN 208931135U CN 201821760126 U CN201821760126 U CN 201821760126U CN 208931135 U CN208931135 U CN 208931135U
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- Prior art keywords
- control valve
- directional control
- solenoid directional
- power output
- connect
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- 239000002828 fuel tank Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 description 21
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
A kind of novel wheel-type tractor dynamic power output device, including engine, clutch, gearbox, PTO operation handle, power transmission shaft, transmission gear, power output shaft, it further includes fuel tank, hydraulic pump, first solenoid directional control valve, second solenoid directional control valve and hydraulic cylinder, the oil inlet of hydraulic pump is connect with fuel tank, the oil outlet of hydraulic pump is connect with the oil inlet of the first solenoid directional control valve, first oil outlet of the first solenoid directional control valve is connect with the oil inlet of the second solenoid directional control valve and fuel tank respectively, second oil outlet of the first solenoid directional control valve is connect with the oil return opening of the second solenoid directional control valve, the third oil outlet of second solenoid directional control valve and the rod chamber of hydraulic cylinder connect, 4th oil outlet of the second solenoid directional control valve and the rodless cavity of hydraulic cylinder connect；The piston rod of hydraulic cylinder is removably fixedly connected with PTO operation handle.The utility model improves the degree of intelligence of the power output device of tractor, and driver is facilitated to operate.
Description
Technical field
The utility model relates to the technical fields of tractor, and in particular to a kind of novel wheel-type tractor dynamic power output dress
It sets.
Background technique
The power output device of tractor is by a part of tractor engine power or even all with rotating mechanical energy
Mode be transmitted to a kind of equipment on agricultural machinery and implement, many agricultural machinery and implement such as: towed harvester, seeder, spray
Itself does not have power, they are other than the tractive force by tractor, while it is dynamic also to provide work by the power output of tractor
Power.
The power output shaft of general tractor is arranged in behind tractor, using standard output axis, power output revolving speed
It is solely dependent upon the engine speed of tractor, the at present group of tractor dynamic power output device unrelated with the travel speed of tractor
At and power transfer principle tractor dynamic power output device includes engine, clutch, gearbox, PTO operation as shown in Figure 1:
Handle, power output shaft, engine are successively connected with clutch, gearbox, and the first axle of gearbox passes through spline housing and power
Output shaft is connected, and PTO operation handle is connected with spline housing, for controlling the connection of spline housing, to control the first of gearbox
The connection of axis and power output shaft, when tractor work when the mating agricultural machinery and implement for needing power, first by agricultural machinery and implement line shaft with drag
Power output shaft after machine drawing is connected, and until lifter drops to working depth, stirs PTO operation handle 4 and makes speed change
Case first axle is connected with power transmission shaft by spline housing, and power is transmitted to power transmission shaft 12 by clutch spindle 3,
It is transmitted to power output shaft 13 by transmission gear, transfers power to agricultural machinery and implement using cross axle on agricultural machinery and implement.
Present society is fast-developing, and agricultural machinery also gradually realizes intelligent, this power output device intelligence of tractor
Energy degree is lower, it is therefore desirable to design a kind of higher power output device of degree of intelligence, driver is facilitated to operate.
Utility model content
The purpose of this utility model is that: a kind of novel wheel-type tractor dynamic power output device is provided, tractor is improved
The degree of intelligence of power output device, facilitates driver to operate.
The technical solution that the utility model is taken are as follows: a kind of novel wheel-type tractor dynamic power output device, including engine,
Clutch, gearbox, PTO operation handle, power transmission shaft, transmission gear, power output shaft, it further include fuel tank, hydraulic pump,
First solenoid directional control valve, the second solenoid directional control valve and hydraulic cylinder, the oil inlet of hydraulic pump are connect with fuel tank, the oil outlet of hydraulic pump
Connect with the oil inlet of the first solenoid directional control valve, the first oil outlet of the first solenoid directional control valve respectively with the second solenoid directional control valve
Oil inlet and fuel tank connection, the second oil outlet of the first solenoid directional control valve are connect with the oil return opening of the second solenoid directional control valve, and second
The third oil outlet of solenoid directional control valve and the rod chamber of hydraulic cylinder connect, the 4th oil outlet and hydraulic cylinder of the second solenoid directional control valve
Rodless cavity connection；The piston rod of hydraulic cylinder is removably fixedly connected with PTO operation handle.
First solenoid directional control valve is two-bit triplet solenoid directional control valve, and the second solenoid directional control valve is 3-position 4-way electromagnetic switch
Valve.
Oil screen is equipped in the connecting tube of hydraulic pump and fuel tank, in the connecting tube of hydraulic pump and the first solenoid directional control valve
Equipped with safety valve, the unloading port of safety valve connect with fuel tank.
The utility model improves the degree of intelligence of the power output device of tractor, and driver is facilitated to operate, and hydraulic pump will
Hydraulic oil pumps out, and flows to hydraulic cylinder by the first solenoid directional control valve and the second solenoid directional control valve, hydraulic oil pushes the work of hydraulic cylinder
Plug is stretched out or is shunk, and the piston of hydraulic cylinder, which stretches out, pushes PTO operation handle, and PTO operation handle controls the connection of spline housing, from
And the first axle of gearbox and the connection of power transmission shaft are controlled, the power of engine passes to power from clutch, gearbox
Output shaft, then pass to the agricultural machinery and implement of tractor drive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the structural schematic diagram of the utility model.
Specific embodiment
As depicted in figs. 1 and 2, a kind of novel wheel-type tractor dynamic power output device, including engine 15, clutch 1, change
Fast case, PTO operation handle 4, power transmission shaft 12 and power output shaft 13, it further includes fuel tank 10, hydraulic pump 8, the first electromagnetism
Reversal valve 7, the second solenoid directional control valve 6 and hydraulic cylinder 5, the oil inlet of hydraulic pump 8 are connect with fuel tank 10, the oil outlet of hydraulic pump 8
Connect with the oil inlet of the first solenoid directional control valve 7, the first oil outlet of the first solenoid directional control valve 7 respectively with the second solenoid directional control valve
The oil return opening of 6 oil inlet and fuel tank 10 connection, the second oil outlet of the first solenoid directional control valve 7 and the second solenoid directional control valve 6 connects
It connects, the third oil outlet of the second solenoid directional control valve 6 is connect with the rod chamber of hydraulic cylinder 5, and the 4th of the second solenoid directional control valve 6 is fuel-displaced
Mouth is connect with the rodless cavity of hydraulic cylinder 5；The piston rod of hydraulic cylinder 5 is removably fixedly connected with PTO operation handle 4, Ke Yitong
It crosses and is bolted, hydraulic pump 8, the first solenoid directional control valve 7 and the second solenoid directional control valve 6 are electrically connected with the controller of tractor respectively
It connects, controller controls its movement, is equipped with control button on the controller, driver is facilitated to operate.
First solenoid directional control valve 7 is two-bit triplet solenoid directional control valve, and the second solenoid directional control valve 6 is 3-position 4-way electromagnetic switch
Valve.
Oil screen 9 is equipped in the connecting tube of hydraulic pump 8 and fuel tank 10, oil screen 9 is for filtering hydraulic oil, in hydraulic pump
8 and first the connecting tube of solenoid directional control valve 7 be equipped with safety valve 11, the unloading port of safety valve 11 connect with fuel tank 10, safety valve
11 are used for the pressure of control system, prevent system pressure excessively high, damage Hydraulic Elements.
At work, the first solenoid directional control valve 7 it is electric, the right position of the second solenoid directional control valve 6 obtains electric, be switched to the work of right position,
Hydraulic pump 8 pumps out the hydraulic oil filtered by oil screen 9, then passes sequentially through the first solenoid directional control valve 7, the first electromagnetic switch
Valve 7, subsequently into the rodless cavity of hydraulic cylinder 5, hydraulic oil pushes piston rod stretching to move downward, and drives spline housing handle motion,
So that the first axle 3 of gearbox is combined with power output shaft 13 by spline housing, power is transmitted to gearbox by engine 15, so
Power is transmitted to power transmission shaft 12 from the first axle 3 of gearbox afterwards, is transmitted to power output shaft 13 using transmission gear, then
Agricultural machinery and implement are transferred power to by cross axle on agricultural machinery and implement, the hydraulic oil of 5 rod chamber of hydraulic cylinder passes through the second solenoid directional control valve 6
Fuel tank 10 is flowed back to, when clutch spindle is combined with power transmission shaft 12 to be finished, the power-off of the first solenoid directional control valve 7, the second electricity
Magnetic reversal valve 6 powers off, and is in middle position state, and agricultural machinery and implement are started to work at this time.
It is connected between Hydraulic Elements by hydraulic tube in the utility model." first " " second " does not have in the utility model
Specific meaning is only to facilitate differentiation.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (3)
1. a kind of novel wheel-type tractor dynamic power output device, including it is engine, clutch, gearbox, PTO operation handle, dynamic
Power transmission axle, transmission gear and power output shaft, it is characterised in that: it further include fuel tank, hydraulic pump, the first solenoid directional control valve,
The oil inlet of second solenoid directional control valve and hydraulic cylinder, hydraulic pump is connect with fuel tank, the oil outlet of hydraulic pump and the first electromagnetic switch
The oil inlet of valve connects, and the first oil outlet of the first solenoid directional control valve connects with the oil inlet of the second solenoid directional control valve and fuel tank respectively
It connecing, the second oil outlet of the first solenoid directional control valve is connect with the oil return opening of the second solenoid directional control valve, and the of the second solenoid directional control valve
The connection of the rod chamber of three oil outlets and hydraulic cylinder, the 4th oil outlet of the second solenoid directional control valve and the rodless cavity of hydraulic cylinder connect；
The piston rod of hydraulic cylinder is removably fixedly connected with PTO operation handle.
2. novel wheel-type tractor dynamic power output device as described in claim 1, it is characterised in that: the first solenoid directional control valve is
Two-bit triplet solenoid directional control valve, the second solenoid directional control valve are three-position four-way electromagnetic directional valve.
3. novel wheel-type tractor dynamic power output device as claimed in claim 2, it is characterised in that: in hydraulic pump and fuel tank
Connecting tube is equipped with oil screen, and safety valve, the emptying of safety valve are equipped in the connecting tube of hydraulic pump and the first solenoid directional control valve
Mouth is connect with fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821760126.9U CN208931135U (en) | 2018-10-29 | 2018-10-29 | A kind of novel wheel-type tractor dynamic power output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821760126.9U CN208931135U (en) | 2018-10-29 | 2018-10-29 | A kind of novel wheel-type tractor dynamic power output device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208931135U true CN208931135U (en) | 2019-06-04 |
Family
ID=66726332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821760126.9U Expired - Fee Related CN208931135U (en) | 2018-10-29 | 2018-10-29 | A kind of novel wheel-type tractor dynamic power output device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208931135U (en) |
-
2018
- 2018-10-29 CN CN201821760126.9U patent/CN208931135U/en not_active Expired - Fee Related
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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: 20190604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |