CN114658717A - Tractor oil circuit control valve block - Google Patents

Tractor oil circuit control valve block Download PDF

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Publication number
CN114658717A
CN114658717A CN202210405472.XA CN202210405472A CN114658717A CN 114658717 A CN114658717 A CN 114658717A CN 202210405472 A CN202210405472 A CN 202210405472A CN 114658717 A CN114658717 A CN 114658717A
Authority
CN
China
Prior art keywords
oil
oil duct
control valve
valve block
duct
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.)
Pending
Application number
CN202210405472.XA
Other languages
Chinese (zh)
Inventor
何志伟
首元锋
王文浩
廖郴鹏
黄俊维
吴郴丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Nongfu Electromechanical Co ltd
Original Assignee
Hunan Nongfu Electromechanical Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Nongfu Electromechanical Co ltd filed Critical Hunan Nongfu Electromechanical Co ltd
Priority to CN202210405472.XA priority Critical patent/CN114658717A/en
Publication of CN114658717A publication Critical patent/CN114658717A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/1006—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22—Synchronisation of the movement of two or more servomotors
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0245—Construction of housing; Use of materials therefor of lift valves with ball-shaped valve members
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The invention discloses a tractor oil circuit control valve block, comprising: the control valve block is used for controlling the conduction of oil; a first oil duct; the oil duct seven is parallel to the oil duct I; the second oil duct is horizontally arranged at the bottom of the first oil duct; the outer wall of the control valve block is provided with a regulating valve A for sealing the oil duct six; an oil duct eight parallel to the oil duct six; an oil duct nine; an oil duct III; the end part of the oil duct IV is provided with an oil return joint; and the five oil passages are internally provided with regulating valves B for controlling the oil to be conducted. Has the advantages that: adopt the inside oil duct of single control valve piece to adjust the flow direction of fluid to the extension and the shrink of lift cylinder adjust the height that hangs the agricultural implement, convenient operation, the reliability is high, and can adjust whether the oil circuit is the strong pressure state according to the operation environment in the use, with satisfying different operation demands, simultaneously, can control the falling speed that hangs the agricultural implement through rotating governing valve A, avoid the agricultural implement impaired.

Description

Tractor oil circuit control valve block
Technical Field
The invention relates to the technical field of tractor equipment, in particular to a tractor oil way control valve block.
Background
Tractor is at the operation in-process, need hang corresponding agricultural implement, at this in-process, need in time adjust the height of agricultural implement according to the use needs, so that transportation and operation, tractor internally mounted hydraulic tank and oil pump under the normal conditions, thereby can cooperate the transport of the inside fluid of control oil circuit, traditional oil circuit control structure's is bulky, the installation is inconvenient, often need a plurality of valves and pipeline to cooperate just can realize the directional transport of fluid, the operation is comparatively loaded down with trivial details, can not satisfy the user demand in present stage.
Disclosure of Invention
The invention aims to solve the problems and provide a tractor oil way control valve block to solve the technical problems that an oil control structure in the prior art is large in size, inconvenient to install, complicated to operate and incapable of meeting the use requirements at the present stage, and directional oil conveying can be realized only by cooperation of a plurality of valves and pipelines. According to the technical scheme, the oil passage in the single control valve block is adopted to adjust the flow direction of oil liquid in the preferable technical scheme, so that the extension and contraction of the oil cylinder are improved, the height of the suspended agricultural implement is adjusted, the operation is convenient, the reliability is high, in the using process, whether the oil passage is in a strong pressure state or not can be adjusted according to the operating environment, different operating requirements are met, meanwhile, the descending speed of the suspended agricultural implement can be controlled by rotating the adjusting valve A, and the technical effect of preventing the agricultural implement from being damaged is detailed, and the technical effect is explained below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a tractor oil circuit control valve block, comprising:
the control valve block is used for controlling the conduction of oil;
the first oil channel is vertically arranged on the top surface of the control valve block, and the top end of the first oil channel is provided with a connector IV;
the seventh oil channel is parallel to the first oil channel, the seventh oil channel is vertically arranged on the top surface of the control valve block, and the top end of the seventh oil channel is provided with a third joint;
the oil duct II is horizontally arranged at the bottom of the oil duct I, two ends of the oil duct II penetrate through two side walls of the control valve block respectively, and a joint I and a joint VI are mounted at two ends of the oil duct II respectively;
the oil duct six is horizontally arranged on the outer wall of the control valve block and is communicated with the oil duct seven, and a regulating valve A for sealing the oil duct six is arranged on the outer wall of the control valve block;
the oil duct eight is horizontally arranged on the outer wall of the control valve block and communicated with the oil duct seven, a cut-off steel ball and a compression spring are arranged inside the oil duct eight, and a sealing plug II for sealing the oil duct eight is arranged on the outer wall of the control valve block;
the oil duct nine is vertically arranged on the bottom surface of the control valve block, the oil duct nine is respectively communicated with the oil duct six and the oil duct eight, and the bottom end of the oil duct nine is provided with a first sealing plug for plugging;
the oil duct III horizontally penetrates through the side wall of the control valve block, a joint II and a joint V are respectively arranged at two ends of the oil duct III, and the oil duct III is communicated with a cross point between the oil duct six and the oil duct nine;
the oil duct IV is horizontally arranged on the side wall of the control valve block and is parallel to the oil duct II, the oil duct IV is communicated with the oil duct V, and an oil return joint is arranged at the end part of the oil duct IV;
the oil duct five is horizontally arranged on the side wall of the control valve block, is perpendicular to the oil duct one and the oil duct two, is communicated with a cross point between the oil duct five and the oil duct one and the oil duct two, and is internally provided with a regulating valve B for controlling oil to be communicated.
Preferably, the back of the control valve block is provided with a mounting hole.
Has the advantages that:
1. the oil duct in the single control valve block is adopted to adjust the flow direction of oil liquid so as to promote the extension and contraction of the oil cylinder and adjust the height of the suspended agricultural implement, the operation is convenient, the reliability is high, whether the oil duct is in a strong pressure state or not can be adjusted according to the operation environment in the use process so as to meet different operation requirements, and meanwhile, the descending speed of the suspended agricultural implement can be controlled by rotating the adjusting valve A, so that the agricultural implement is prevented from being damaged;
2. can be convenient for fix the control valve piece through mounting hole cooperation screw, ensure the stability of control valve piece in the use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first structural view of the mounting position of the control valve block of the present invention;
FIG. 2 is a second structural view of the mounting position of the control valve block of the present invention;
FIG. 3 is an exploded view of the control valve block of the present invention;
FIG. 4 is a front view of the control valve block of the present invention;
FIG. 5 is a top view of the control valve block of the present invention;
FIG. 6 is a structural view of the control valve block of FIG. 4 in the direction of direction A of the present invention;
FIG. 7 is a structural view of the control valve block of FIG. 4 in the direction of B of the present invention;
FIG. 8 is a structural view of the control valve block of FIG. 5 in the direction of C of the present invention;
fig. 9 is a D-direction structural view of the control valve block of fig. 5 of the present invention.
The reference numerals are explained below:
1. a second connecting pipeline; 2. connecting a first pipeline; 3. a lift arm; 4. a control valve block; 5. an oil pipe I; 6. an oil pipe II; 7. a third connecting pipeline; 8. connecting a pipeline IV; 9. lifting the oil cylinder; 10. intercepting the steel ball; 11. sealing a first plug; 12. a first connector; 13. a second joint; 14. a third joint; 15. a fourth joint; 16. a fifth joint; 17. a joint six; 18. an oil return joint; 19. adjusting a valve A; 20. adjusting a valve B; 21. a second sealing plug; 22. a compression spring; 23. an oil duct five; 24. an oil duct II; 25. a first oil duct; 26. an oil duct III; 27. an oil duct IV; 28. an oil duct eight; 29. an oil duct nine; 30. an oil duct seven; 31. an oil duct six; 32. and (7) installing holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 9, the invention provides a tractor oil way control valve block 4, which comprises an oil way I25, wherein the oil way I25 is vertically arranged on the top surface of the control valve block 4, the top end of the oil way I25 is provided with a joint IV 15, an oil pipe II 6 is sleeved on the joint IV 15, and the oil pipe II 6 is communicated with a hydraulic oil tank in a tractor so as to facilitate the transmission of matched oil;
the oil duct seven 30 is parallel to the oil duct one 25, the oil duct seven 30 is vertically arranged on the top surface of the control valve block 4, the top end of the oil duct seven 30 is provided with a connector three 14, an oil pipe one 5 is sleeved on the connector three 14, the oil pipe one 5 is communicated with a hydraulic oil tank in the tractor, and the oil duct seven 30 and the oil duct one 25 are vertically arranged on the same plane;
the oil duct II 24 is horizontally arranged at the bottom of the oil duct I25, two ends of the oil duct II 24 penetrate through two side walls of the control valve block 4 respectively so as to be convenient for mounting a joint I12 and a joint II 17, two ends of the oil duct II 24 are provided with a joint I12 and a joint II 17 respectively, the joint I12 is sleeved with a connecting pipeline III 7, the joint II 17 is provided with a connecting pipeline II 1, the connecting pipeline III 7 and the connecting pipeline II 1 are connected with lower oil cavities of the two lifting oil cylinders 9 respectively and supply oil, so that piston rods of the lifting oil cylinders 9 are pushed to move upwards, and the height of the lifting arm 3 is adjusted so as to lift farm implements for transportation;
the oil duct six 31 is horizontally arranged on the outer wall of the control valve block 4, the oil duct six 31 is communicated with the oil duct seven 30, the oil duct six 31 is communicated with the oil duct three 26 and the oil duct seven 30, so that oil in the oil duct six 31 is guided into the oil duct three 26 through the oil duct seven 30, a regulating valve A19 for sealing the oil duct six 31 is arranged on the outer wall of the control valve block 4, the size of a gap between the regulating valve A19 and the oil duct six 31 can be regulated by rotating the regulating valve A19, the opening and closing state of the oil duct six 31 is further controlled, the conduction speed of the oil entering the oil duct six 31 is controlled, and the regulation of the oil conduction speed is further realized, so that the vertical regulation speed of the lifting oil cylinder 9 is controlled;
an oil passage eight 28 which is parallel to the oil passage six 31, the oil passage eight 28 is horizontally arranged on the outer wall of the control valve block 4, the oil passage eight 28 is communicated with the oil passage seven 30, oil can enter the oil passage eight 28 from the oil passage seven 30, the inside of the oil passage eight 28 is provided with a cut-off steel ball 10 and a pressing spring 22, the outer wall of the control valve block 4 is provided with a sealing plug II B21B for sealing the oil passage eight 28, the sealing plug II B21 can install the pressing spring 22 and the cut-off steel ball 10 in the oil passage eight 28, thereby controlling the compression spring 22 to push the intercepting steel ball 10 to seal the connection section between the eight oil passage 28 and the seven oil passage 30, however, only in the state where oil is communicated from the eighth oil passage 28 to the seventh oil passage 30, when the oil pressure in the seventh oil passage 30 is excessively high, the oil can push the intercepting steel ball 10 to press the pressing spring 22, so that the seven oil passages 30 are communicated with the eight oil passages 28;
the oil passage nine 29 is vertically arranged on the bottom surface of the control valve block 4, the oil passage nine 29 is respectively communicated with an oil passage six 31 and an oil passage eight 28, a sealing plug I11 for plugging is arranged at the bottom end of the oil passage nine 29, and in order to facilitate machining of the control valve block 4, a machining position is selected for drilling when the oil passage nine 29 is arranged, so that the oil passage six 31 is communicated with the oil passage eight 28, and in order to avoid oil leakage, a hole at the bottom is sealed by the sealing plug I11;
the oil duct III 26 is horizontally arranged on the side wall of the control valve block 4 in a penetrating mode, a joint II 13 and a joint II 16 are respectively installed at two ends of the oil duct III 26, a connecting pipeline II 8 is sleeved on the joint II 13, a connecting pipeline II 1 is sleeved on the joint II 16, the connecting pipeline IV 8 and the connecting pipeline II 1 are respectively connected with lower oil cavities of the two lifting oil cylinders 9 and supply oil, so that piston rods of the lifting oil cylinders 9 are pushed to move downwards, the height of the lifting arm 3 is adjusted, the farm tool is conveniently put down to the ground for operation, the oil duct III 26 is communicated with a cross point between an oil duct VI 31 and an oil duct VII 29, oil in the oil duct VII 30 can be guided into the oil duct III 26 and the oil duct VII 29 through the oil duct VI 31, and the oil is further matched with conveying of the oil;
the oil passage four 27 is horizontally arranged on the side wall of the control valve block 4 and is parallel to the oil passage two 24, the oil passage four 27 is communicated with the oil passage five 23, and the oil return joint 18 is arranged at the end part of the oil passage four 27, so that oil in the oil passage one 25 or the oil passage two 24 can conveniently enter the oil passage four 27 after being conducted through the oil passage five 23 and finally is led out through the oil return joint 18;
the oil duct five 23 is horizontally arranged on the side wall of the control valve block 4, the oil duct five 23 is perpendicular to the oil duct one 25 and the oil duct two 24, the oil duct five 23 is communicated with a cross point between the oil duct one 25 and the oil duct two 24, a regulating valve B20 for controlling oil liquid conduction is arranged in the oil duct five 23, and the oil inlet state in the oil duct five 23 can be timely regulated according to use requirements by rotating the regulating valve B20, so that the oil liquid is guided back into the hydraulic oil tank of the tractor again through the oil duct four 27 and the oil return joint 18 after entering the oil duct five 23;
when the oil pumping device is lifted, the external oil pump works to provide oil pressure, oil is pumped into the oil pipe one 5 through the external reversing valve, the oil is conveyed into the joint three 14 through the oil pipe one 5 and conveyed into the oil duct seven 30, the oil in the oil duct seven 30 can enter the oil duct three 26 through the oil duct six 31 because the oil duct seven 30 is communicated with the oil duct three 26 through the oil duct six 31, and the regulating valve A19 is designed in the oil duct six 31, when the oil pumping device is used, the rotating opening range of the regulating valve A19 is reduced, the flow rate of the oil when the oil passes through the oil duct six 31 is low, the oil pressure is stable, part of the oil pushes open the interception steel balls 10 in the oil duct eight 28 at the bottom of the oil duct seven 30 and compresses the compression spring 22 in the flow guiding process, so that the oil can be guided into the oil duct nine 29 along the oil duct eight 28 at the bottom of the oil duct seven 30 to realize conveying, and the bottom of the nine oil duct 29 is in a closed state, the oil liquid continuously flows upwards along the oil duct nine 29, and finally is mixed with the oil liquid conducted from the interior of the oil duct six 31, and the oil liquid respectively flows to the joint two 13 and the joint five 16 at the two ends of the oil duct three 26, and is conveyed into the lower oil cavity of the lifting oil cylinder 9 through the connecting pipeline four 8 and the connecting pipeline two 1, so that the two lifting oil cylinders 9 can be synchronously lifted, the lifting arm 3 is lifted, the farm implement hung on the lifting arm 3 is lifted, the transportation is facilitated, and the collision is avoided;
meanwhile, the oil in the upper oil cavity of the lifting oil cylinder 9 is guided out under pressure, guided back to the joint six 17 and the joint one 12 through the connecting pipeline one 2 and the connecting pipeline three 7, finally collected and guided into the oil duct two 24, and the oil duct five 23 can be sealed because the regulating valve B20 is screwed in the oil duct five 23, so that the oil can be only transmitted into the oil duct one 25 after entering the oil duct two 24 and is guided back to the joint four 15 again, and finally guided back to the hydraulic oil tank in the tractor through the oil pipe two 6, namely the lifting adjustment operation of the hanging agricultural implement is completed;
when the lifting arm descends, an external oil pump works to provide oil pressure, oil is pumped into an oil pipe two 6 through an external reversing valve, the oil is guided into a joint four 15 through the oil pipe two 6 and is guided into an oil duct one 25, the oil duct five 23 is sealed through a regulating valve B20 in the oil duct five 23, the oil is respectively guided into a joint one 12 and a joint six 17 through an oil duct two 24 and flows along a connecting pipeline three 7 and a connecting pipeline one 2, the oil is guided into an upper oil cavity of the lifting oil cylinder 9, synchronous descending of the two lifting oil cylinders 9 is realized, the lifting arm 3 drives the farm implement to descend to be close to the bottom surface, so that the operation is realized, meanwhile, the oil in a lower oil cavity of the lifting oil cylinder 9 can be collected into an oil duct three 26 through a joint two 13 and a joint five 16 along a connecting pipeline four 8 and a connecting pipeline two 1, and a compression spring 22 and a closure steel ball 10 are designed in an oil duct eight 28, therefore, oil can be prevented from being guided into the oil passage seven 30 from the oil passage eight 28, the oil can be only guided into the oil passage seven 30 through a gap between the regulating valve A19 and the oil passage six 31, and finally is guided into the oil pipe I5 through the joint III 14, and the oil is finally guided back into the hydraulic oil tank of the tractor through the oil pipe I5;
when the height of the farm tool needs to be fixed, an operator adjusts the external reversing valve, and sealing oil enters the first oil pipe 5 and the second oil pipe 6, so that the circulation of the oil in the control valve block 4 is prevented, and the self-sustaining of the farm tool can be realized;
it should be noted that, in the process of the farm implement moving along with the tractor, the operator may unscrew the regulating valve B20, at this time, the farm implement may move up and down in the process of traveling along with the tractor, and then the lifting arm 3 may be driven to move up and down by the farm implement self pressure, so as to extend or contract the lifting cylinder 9, in this process, the hydraulic oil inside the lifting cylinder 9 may be led out into the hydraulic oil tank through the oil return joint 18 and the pipeline, so as to cooperate with regulation, and release the strong pressure state during operation, so as to enable the farm implement to float up and down along with the ground state, and avoid the farm implement from being damaged due to fluctuating impact when passing through a ground gully, and similarly, when the regulating valve B20 is screwed, the lifting cylinder 9 may be kept in the strong pressure state, so as to cooperate with operations such as land leveling, and complete the use process of the entire device.
In another embodiment, the back surface of the control valve block 4 is provided with three mounting holes 32, and the three mounting holes 32 are respectively formed in the back of the control valve block 4 and are used for being matched with screws to fix and support the control valve block 4.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (2)

1. The utility model provides a tractor oil circuit control valve piece which characterized in that: the method comprises the following steps:
the control valve block (4) is used for controlling the conduction of the oil liquid;
the first oil channel (25) is vertically arranged on the top surface of the control valve block (4), and the top end of the first oil channel (25) is provided with a joint IV (15);
the oil channel seven (30) is parallel to the oil channel I (25), the oil channel seven (30) is vertically arranged on the top surface of the control valve block (4), and the top end of the oil channel seven (30) is provided with a joint III (14);
the oil duct II (24) is horizontally arranged at the bottom of the oil duct I (25), two ends of the oil duct II (24) penetrate through two side walls of the control valve block (4) respectively, and a joint I (12) and a joint II (17) are mounted at two ends of the oil duct II (24) respectively;
the oil duct six (31) is horizontally arranged on the outer wall of the control valve block (4), the oil duct six (31) is communicated with the oil duct seven (30), and a regulating valve A (19) for sealing the oil duct six (31) is arranged on the outer wall of the control valve block (4);
the oil duct eight (28) is parallel to the oil duct six (31), the oil duct eight (28) is horizontally arranged on the outer wall of the control valve block (4), the oil duct eight (28) is communicated with the oil duct seven (30), a closure steel ball (10) and a compression spring (22) are arranged inside the oil duct eight (28), and a sealing plug II (21) for sealing the oil duct eight (28) is arranged on the outer wall of the control valve block (4);
the oil passage nine (29) is vertically arranged on the bottom surface of the control valve block (4), the oil passage nine (29) is respectively communicated with the oil passage six (31) and the oil passage eight (28), and the bottom end of the oil passage nine (29) is provided with a first sealing plug (11) for plugging;
the oil duct III (26) horizontally penetrates through the side wall of the control valve block (4), two ends of the oil duct III (26) are respectively provided with a joint II (13) and a joint V (16), and the oil duct III (26) is communicated with a cross point between an oil duct six (31) and an oil duct nine (29);
the oil passage four (27) is horizontally arranged on the side wall of the control valve block (4) and is parallel to the oil passage two (24), the oil passage four (27) is communicated with the oil passage five (23), and the end part of the oil passage four (27) is provided with an oil return joint (18);
the oil duct five (23) is horizontally arranged on the side wall of the control valve block (4), the oil duct five (23) is perpendicular to the oil duct one (25) and the oil duct two (24), the oil duct five (23) is communicated with a cross point between the oil duct one (25) and the oil duct two (24), and a regulating valve B (20) for controlling oil liquid conduction is arranged inside the oil duct five (23).
2. The tractor oil circuit control valve block according to claim 1, characterized in that: the back of the control valve block (4) is provided with a mounting hole (32).
CN202210405472.XA 2022-04-18 2022-04-18 Tractor oil circuit control valve block Pending CN114658717A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210405472.XA CN114658717A (en) 2022-04-18 2022-04-18 Tractor oil circuit control valve block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210405472.XA CN114658717A (en) 2022-04-18 2022-04-18 Tractor oil circuit control valve block

Publications (1)

Publication Number Publication Date
CN114658717A true CN114658717A (en) 2022-06-24

Family

ID=82034643

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210405472.XA Pending CN114658717A (en) 2022-04-18 2022-04-18 Tractor oil circuit control valve block

Country Status (1)

Country Link
CN (1) CN114658717A (en)

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