CN208518982U - A kind of harvester hydraulic control assembly system - Google Patents
A kind of harvester hydraulic control assembly system Download PDFInfo
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- CN208518982U CN208518982U CN201821069562.1U CN201821069562U CN208518982U CN 208518982 U CN208518982 U CN 208518982U CN 201821069562 U CN201821069562 U CN 201821069562U CN 208518982 U CN208518982 U CN 208518982U
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Abstract
The utility model discloses a kind of harvester hydraulic control assembly systems, including control valve group and the valve block being connected with control valve group and external equipment, the oil supply loop that can be connect with oil pump and the leakage passage that can be connect with fuel tank are equipped in the valve block, the intracorporal oil supply loop of valve block is equipped with the flow divider valve of inserting setting, the course changing control circuit connecting with a delivery outlet of flow divider valve and the multi-channel control circuit being arranged in parallel connecting with another delivery outlet of flow divider valve are equipped in the valve block, the control valve group includes the reversal valve being equipped on the course changing control circuit and multi-channel control circuit, it is connected at the actuator port of each reversal valve on the multi-channel control circuit and is plugged in the intracorporal inserted valve of valve block.Structurally reasonable, the single pump operation of the utility model, it is low in energy consumption, it realizes that high-low pressure divides oil circuit to work, controls assignment of traffic, system composition is succinct, at low cost, integrated, high reliablity.
Description
Technical field
The utility model relates to field of agricultural machinery, more specifically, it relates to a kind of harvester hydraulic control assembly system
System.
Background technique
The composition of country's hydraulic system of harvesting machine at present, common principle design, to sum up there is so several forms: single
Pump high-pressure hydraulic；Double pump high-low pressure hydraulic system；Single-pump flow priority acccess control hydraulic system etc. is several.These types of system exists
In practice, there are so several aspects: single pump high-pressure system energy loss is big, and system heat generation is severe, and element is easy
Damage；Double pump system power source part pipeline is more, and connection is complicated, and system is wordy, and cost amount priority control system cost compared with
Height, flow system flow allocation proportion can not be adjusted, and turned to when link with cylinder action part, interfered with each other larger, system is steady
Qualitative not ideal enough, later maintenance cost is also higher.So, either with or without a kind of system principle, the above can sufficiently be overcome not
Foot, and it is also higher；Stream is able to satisfy the normal work requirements of system, and cost is again lower, and reliability is again good；The utility model just fills
Divide and solves the problems, such as the above.
Utility model content
The purpose of this utility model is, for the above-mentioned deficiency of the prior art, provide a kind of high-low pressure divide oil circuit work,
System forms harvester hydraulic control assembly system succinct, at low cost.
To achieve the above object, the utility model provides a kind of harvester hydraulic control assembly system, including control valve
Group and the valve block being connected with control valve group and external equipment, the valve block is interior to be equipped with the oil supply loop that can be connect with oil pump
With the leakage passage that can be connect with fuel tank, the intracorporal oil supply loop of valve block is equipped with the flow divider valve of inserting setting, institute
It is interior equipped with the course changing control circuit connecting with a delivery outlet of flow divider valve and another with flow divider valve to state valve block
The multi-channel control circuit of a delivery outlet connection being arranged in parallel, the control valve group are included in the course changing control circuit and multichannel
The reversal valve that control loop is equipped with is connected at the actuator port of each reversal valve on the multi-channel control circuit and is plugged in
The intracorporal inserted valve of valve block.
Further, the reversal valve in the course changing control circuit is steering control valve, and the steering control valve is that middle position is H
The three position four-way directional control valve of type includes First Speed control loop, the second speed being arranged in parallel on the multi-channel control circuit
Control loop and locking control loop, the First Speed control loop, second speed control loop and locking control loop
On be respectively equipped with First Speed control valve, second speed control valve, locking control valve, the First Speed control valve, second speed
Degree control valve, locking control valve are the three position four-way directional control valves that middle position is Y type.
Further, the First Speed control valve, second speed control valve output end be connected separately with and be plugged in
Intracorporal first inserted valve of valve block, the second inserted valve, first inserted valve, the second inserted valve two input ports respectively with
Two actuator ports connection of one speed control valve, second speed control valve；Two actuator ports point of the locking control valve
It is not connected with third inserted valve, the 4th inserted valve of interlocking setting, two input ports of the third inserted valve, the 4th inserted valve
It is reversely connected on two actuator ports of locking control valve respectively.
Further, the output oil port of the third inserted valve is connected with the check valve being arranged in parallel and first flow control
The output oil port of valve processed, the 4th inserted valve is connected with second flow control valve.
As a further improvement, the course changing control circuit is equipped with the first safety valve connecting with the leakage passage,
The multi-channel control circuit is equipped with the second safety valve, the relief valve connecting with the leakage passage.
It is improved as further, the steering control valve is disposed in parallel in the side of relief valve, the First Speed
Control valve, second speed control valve and locking control valve are disposed in parallel in the other side of relief valve；The front end of the valve block is set
There is the 6th connector of the delivery outlet of the 4th inserted valve of connection, the rear end of the valve block, which is equipped with, is separately connected the two of steering control valve
First connector of a delivery outlet, the second connector and connection the first inserted valve, the second inserted valve, third inserted valve delivery outlet
Third connector, the 4th connector, the 5th connector.
Further, first connector, the second connector, third connector, the 4th connector and the 5th connector are 45 ° curved
Head, the 6th connector are 90 ° of elbows.
Further, the rear end of the valve block is equipped with the oil pump joint of connection oil pump, and the is located on the valve block
The side of two oil passage is equipped with the back leakage connection of the fuel tank for connection.
Improved as further, the oil supply loop is equipped with pressure measuring unit, the front end of the valve block be equipped with
The connected pressure tap in the input port of flow divider valve on the oil supply loop.
Beneficial effect
Compared with prior art, the harvester hydraulic control assembly system of the utility model has following advantages: this is practical
Novel structurally reasonable, single pump operation, it is low in energy consumption, it realizes that high-low pressure divides oil circuit to work, controls assignment of traffic, system composition letter
It is clean, at low cost, integrated, high reliablity.
Detailed description of the invention
Fig. 1 is the working principle diagram of the harvester hydraulic control assembly system of the utility model；
Fig. 2 is the structural front view of the harvester hydraulic control assembly system of the utility model；
Fig. 3 is the structure front view of the harvester hydraulic control assembly system of the utility model；
Fig. 4 is the structure rearview of the harvester hydraulic control assembly system of the utility model；
Fig. 5 is the structure left view of the harvester hydraulic control assembly system of the utility model；
Fig. 6 is the structure right view of the harvester hydraulic control assembly system of the utility model；
Fig. 7 is the structural schematic diagram of inserted valve in the utility model；
Fig. 8 is the schematic diagram of inserted valve in the utility model.
In figure: 1, flow divider valve；2, pressure measuring unit；3, steering control valve；4, First Speed control valve；5, second speed
Control valve；6, control valve is locked；7, the first inserted valve；8, the second inserted valve；9, third inserted valve；10, the 4th inserted valve；11,
Valve block；12, valve block；13, the second safety valve；16, check valve；17, first flow control valve；18, second flow controls
Valve；19, the first safety valve；20, relief valve；21, filter；C7, fuel tank；C8, oil pump；C1, the first connector；C2, second connect
Head；C3, third connector；C4, the 4th connector；C5, the 5th connector；C6, the 6th connector；C7, oil pump joint；C8, back leakage connection；
C9, pressure tap.
Specific embodiment
Below with reference to embodiment, the utility model will be further described, but does not constitute to any of the utility model
Limitation, the modification of anyone limited times made in the utility model claims range are still wanted in the right of the utility model
It asks in range.
Specific embodiment of the utility model is such that referring to Fig.1 shown in -8, a kind of harvester hydraulic control assembly system
System, being equipped with including control valve group 11 and the valve block being connected with control valve group 11 and external equipment 12, in valve block 12 can be with
The oil supply loop of oil pump C8 connection and the leakage passage that can be connect with fuel tank C7, the oil supply loop in valve block 12 are equipped with inserting
The flow divider valve 1 of setting, be equipped in valve block 12 the course changing control circuit being connect with a delivery outlet of flow divider valve 1 and
The multi-channel control circuit being arranged in parallel connecting with another delivery outlet of flow divider valve 1, control valve group 11 are included in steering
The reversal valve that control loop and multi-channel control circuit are equipped with, reversal valve are changed to Direct Action Type by original pilot-operated type, make in this way
Electromagnetic coil directly controls the commutation of slide valve, improves the reliability of valve, the oil return opening of each reversal valve can be with leakage passage
Connection, reversal valve select plate valve, install concentratedly in integrated package single side, to reduce cost, be also convenient for later maintenance；Multichannel control
The inserted valve being plugged in valve block 12 is connected at the actuator port of each reversal valve on circuit processed.By flow divider valve
1 carries out assignment of traffic work, and each oil circuit operating pressure does not interfere with each other, and respectively works independently, hydraulic oil in course changing control circuit
Flow, guarantee harvester action turn to stability contorting, guarantee the normal of turning function, guarantee the safety operation of harvester.
And another delivery outlet of multi-channel control circuit connection flow divider valve 1, receipts are also able to satisfy when realizing single oil pump feed
The hydraulic control demand of other execution units of cutting mill, multi-channel control circuit are the oil pressure being arranged in parallel, in each road control loop, stream
It is fast consistent, the unlatching of each reversal valve can be effectively controlled, the reversal valve in multi-channel control circuit is pilot control valve, with inserting
Valve connection can control the unlatching of inserted valve to control the on-off of each road control loop, and inserted valve is one-way valve structures, effectively anti-
Only hydraulic oil flows back, and guarantees the brake safe of equipment；Inserted valve is integrated to be inserted into valve block 12, convenient for disassembly and assembly, occupied space
It is small；The core of this harvester hydraulic control assembly system is to realize that high-low pressure divides oil circuit and flow point by flow divider valve 1
With control, inserted valve is combined with each reversal valve, the distribution of energy stability contorting flow, without being influenced by external world's load variation；
In assignment of traffic work, each oil circuit operating pressure is not interfered with each other, and is respectively worked independently, and the work characteristics of two kinds of valves is concentrated
In one, each section operating pressure is controlled to adjust by each branch safety valve, realizes high-low pressure control.
In the present embodiment, the reversal valve in course changing control circuit is steering control valve 3, and steering control valve 3 is that middle position is H-type
Three position four-way directional control valve, harvester can control by steering control valve 3 and turn to the left or to the right；Multi-channel control wraps on circuit
The First Speed control loop, second speed control loop and locking control loop, First Speed being arranged in parallel is included to control back
Be respectively equipped in road, second speed control loop and locking control loop First Speed control valve 4, second speed control valve 5,
Control valve 6 is locked, First Speed control valve 4, second speed control valve 5, locking control valve 6 are three four that middle position is Y type
Logical reversal valve, First Speed control valve 4, second speed control valve 5 control the speed of travel of harvester, and locking control valve 6 can be with
It controls harvester to stop, realizing single oil pump feed, the shunting value of flow divider valve 1 is set as reasonable ratio, and excess traffic shunts
Power consumption is lowered in oil return, so that valve be made to reduce to reduce calorific value in the pressure loss on its excess-three road, and can effectively meet receipts
The hydraulic pressure demand of cutting mill executing agency.
In the present embodiment, First Speed control valve 4, second speed control valve 5 output end be connected separately with and be plugged in
The first inserted valve 7, the second inserted valve 8 in valve block 12, two input ports difference of the first inserted valve 7, the second inserted valve 8
It is connect with two actuator ports of First Speed control valve 4, second speed control valve 5, as shown in FIG. 7 and 8, the first inserted valve 7,
The actuator port a of second inserted valve 8 is connect with an actuator port of First Speed control valve 4, second speed control valve 5, the
Another work of one inserted valve 7, the control port j of the second inserted valve 8 and First Speed control valve 4, second speed control valve 5
Make hydraulic fluid port connection, the hydraulic oil in realization First Speed control loop, second speed control loop irreversibly delivers, and can pass through
The spool sliding of First Speed control valve 4, second speed control valve quickly controls the first inserted valve 7, the closing of the second inserted valve 8,
Prevent hydraulic oil adverse current；Two actuator ports of locking control valve 6 are connected separately with the third inserted valve the 9, the 4th of interlocking setting
Inserted valve 10, third inserted valve 9, the 4th inserted valve 10 two input ports be reversely connected respectively in two of control valve 6 work of locking
On hydraulic fluid port, control valve 6 can quickly control third inserted valve 9, the 4th inserted valve 10 opens or closes for locking, guarantee third inserting
There can only be a unlatching among valve 9 and the 4th inserted valve 10, there is interlock function, guarantee control safety.
In the present embodiment, the output oil port of third inserted valve 9 is connected with the check valve 16 and first flow being arranged in parallel
Control valve 17, check valve 16 and first flow control valve 17 realize flow control, and are plugged on valve block 12, the 4th inserting
The output oil port of valve 10 is connected with second flow control valve 18.
In the present embodiment, course changing control circuit is equipped with the first safety valve 19 connecting with leakage passage, multi-channel control
Circuit is equipped with the second safety valve 13, the relief valve 20 connecting with leakage passage, and the first safety valve 19, the second safety valve 13 are set to
12 rear end of valve block, the first safety valve 19, the second safety valve 13 can guarantee course changing control circuit, the pressure in multi-channel control circuit
Stablize, so that pressure when adjusting steering, makes its pressure when turning to fuel feeding lower than system pressure to reduce whole system
Calorific value at work reduces its energy consumption, guarantees safety；Relief valve 20 can will carry out pressure release in multi-channel control circuit, be convenient for
Dismounting maintenance.
In the present embodiment, steering control valve 3 is disposed in parallel in the side of relief valve 20, First Speed control valve 4, second
Speed control valve 5 and locking control valve 6 are disposed in parallel in the other side of relief valve 20；The front end of valve block 12 is equipped with connection the 4th
6th connector C6 of the delivery outlet of inserted valve 10, the rear end of valve block 12 are equipped with two outputs for being separately connected steering control valve 3
The first connector C1, the second connector C2 of mouth and the delivery outlet for connecting the first inserted valve 7, the second inserted valve 8, third inserted valve 9
Third connector C3, the 4th connector C4, the 5th connector C5, the 5th connector C5, the 6th connector C6 are respectively arranged on the two of valve block 12
10 mounting arrangements of third inserted valve 9 and the 4th inserted valve are convenient in side.
In the present embodiment, the first safety valve 19, the second safety valve 13, flow divider valve 1, the first inserted valve 7, second
Inserted valve 8, third inserted valve 9 and the 4th inserted valve 10 are set in valve block 12.
In the present embodiment, the first connector C1, the second connector C2, third connector C3, the 4th connector C4 and the 5th connector C5
For 45 ° of elbows, the 6th connector C6 is 90 ° of elbows.
In the present embodiment, the rear end of valve block 12 is equipped with the oil pump joint C7 of connection oil pump C8, is located on valve block 12
The side of second oil passage 15 is equipped with the back leakage connection C8 of the fuel tank C7 for connection.
In the present embodiment, oil supply loop is equipped with pressure measuring unit 2, the front end of valve block 12 be equipped with on oil supply loop
The connected pressure tap C9 in the input port of flow divider valve 1, oil inlet increase pressure tap C9, can be constantly to make its valve at work
Detect the pressure condition of work.
Above are merely preferred embodiments of the utility model, it should be pointed out that for those skilled in the art,
Under the premise of not departing from the utility model structure, several modifications and improvements can also be made, it is practical new that these all will not influence this
The utility model of effect and patent that type is implemented.
Claims (9)
1. a kind of harvester hydraulic control assembly system, which is characterized in that including control valve group (11) and with control valve group (11)
And the valve block (12) that external equipment is connected, be equipped in the valve block (12) oil supply loop that can be connect with oil pump (C8) and
The leakage passage that can be connect with fuel tank (C7), the oil supply loop in the valve block (12) are equipped with the assignment of traffic of inserting setting
Valve (1), be equipped in the valve block (12) the course changing control circuit being connect with a delivery outlet of flow divider valve (1) and with stream
The multi-channel control circuit of another delivery outlet connection of distributing valve (1) being arranged in parallel is measured, the control valve group (11) is included in
The reversal valve that the course changing control circuit and multi-channel control circuit are equipped with, each reversal valve on the multi-channel control circuit
The inserted valve being plugged in valve block (12) is connected at actuator port.
2. a kind of harvester hydraulic control assembly system according to claim 1, which is characterized in that the course changing control returns
The reversal valve on road is steering control valve (3), and the steering control valve (3) is the three position four-way directional control valve that middle position is H-type, described more
It include First Speed control loop, second speed control loop and the locking control loop being arranged in parallel, institute in the control loop of road
It states and is respectively equipped with First Speed control valve in First Speed control loop, second speed control loop and locking control loop
(4), second speed control valve (5), locking control valve (6), the First Speed control valve (4), second speed control valve (5),
Locking control valve (6) is the three position four-way directional control valve that middle position is Y type.
3. a kind of harvester hydraulic control assembly system according to claim 2, which is characterized in that the First Speed control
Valve (4) processed, second speed control valve (5) output end be connected separately with the first inserted valve (7) being plugged in valve block (12),
Second inserted valve (8), first inserted valve (7), the second inserted valve (8) two input ports respectively with First Speed control valve
(4), two actuator ports connection of second speed control valve (5)；Two actuator ports of locking control valve (6) connect respectively
It is connected to third inserted valve (9), the 4th inserted valve (10) of interlocking setting, the third inserted valve (9), the 4th inserted valve (10)
Two input ports are reversely connected respectively on two actuator ports of locking control valve (6).
4. a kind of harvester hydraulic control assembly system according to claim 3, which is characterized in that the third inserted valve
(9) output oil port is connected with the check valve (16) and first flow control valve (17) being arranged in parallel, the 4th inserted valve
(10) output oil port is connected with second flow control valve (18).
5. a kind of harvester hydraulic control assembly system according to claim 3, which is characterized in that the course changing control returns
Road is equipped with the first safety valve (19) connecting with the leakage passage, and the multi-channel control circuit is equipped with to be returned with the draining
The second safety valve (13), the relief valve (20) of road connection.
6. a kind of harvester hydraulic control assembly system according to claim 4, which is characterized in that the steering control valve
(3) side of relief valve (20), the First Speed control valve (4), second speed control valve (5) and locking control are disposed in parallel in
Valve (6) processed is disposed in parallel in the other side of relief valve (20)；The front end of the valve block (12) is equipped with the 4th inserted valve of connection
(10) the 6th connector (C6) of delivery outlet, the rear end of the valve block (12), which is equipped with, is separately connected the two of steering control valve (3)
The first connector (C1), the second connector (C2) and the connection the first inserted valve (7) of a delivery outlet, the second inserted valve (8), third are inserted
Fill third connector (C3), the 4th connector (C4), the 5th connector (C5) of the delivery outlet of valve (9).
7. a kind of harvester hydraulic control assembly system according to claim 6, which is characterized in that first connector
(C1), the second connector (C2), third connector (C3), the 4th connector (C4) and the 5th connector (C5) are 45 ° of elbows, and the described 6th connects
Head (C6) is 90 ° of elbows.
8. a kind of harvester hydraulic control assembly system according to claim 6, which is characterized in that the valve block (12)
Rear end be equipped with the oil pump joint (C7) of connection oil pump (C8), the side of the second oil passage (15) is located on the valve block (12)
Back leakage connection (C8) equipped with the fuel tank (C7) for connection.
9. a kind of harvester hydraulic control assembly system according to claim 6, which is characterized in that on the oil supply loop
Equipped with pressure measuring unit (2), the front end of the valve block (12) is equipped with the input with the flow divider valve (1) on the oil supply loop
The connected pressure tap (C9) of mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821069562.1U CN208518982U (en) | 2018-07-06 | 2018-07-06 | A kind of harvester hydraulic control assembly system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821069562.1U CN208518982U (en) | 2018-07-06 | 2018-07-06 | A kind of harvester hydraulic control assembly system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208518982U true CN208518982U (en) | 2019-02-19 |
Family
ID=65337162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821069562.1U Active CN208518982U (en) | 2018-07-06 | 2018-07-06 | A kind of harvester hydraulic control assembly system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208518982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757601A (en) * | 2018-07-06 | 2018-11-06 | 东风井关农业机械有限公司 | A kind of harvester hydraulic control assembly system |
-
2018
- 2018-07-06 CN CN201821069562.1U patent/CN208518982U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757601A (en) * | 2018-07-06 | 2018-11-06 | 东风井关农业机械有限公司 | A kind of harvester hydraulic control assembly system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hydraulic control assembly system of harvester Effective date of registration: 20210812 Granted publication date: 20190219 Pledgee: Xiangyang financing guarantee Group Co.,Ltd. Pledgor: DONGFENG ISEKI AGRICULTURAL MACHINERY Co.,Ltd. Registration number: Y2021980007580 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221116 Granted publication date: 20190219 Pledgee: Xiangyang financing guarantee Group Co.,Ltd. Pledgor: DONGFENG ISEKI AGRICULTURAL MACHINERY Co.,Ltd. Registration number: Y2021980007580 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |