CN217107652U - Tractor oil circuit control valve block - Google Patents

Tractor oil circuit control valve block Download PDF

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Publication number
CN217107652U
CN217107652U CN202220896257.XU CN202220896257U CN217107652U CN 217107652 U CN217107652 U CN 217107652U CN 202220896257 U CN202220896257 U CN 202220896257U CN 217107652 U CN217107652 U CN 217107652U
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China
Prior art keywords
oil
oil duct
control valve
duct
valve block
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CN202220896257.XU
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Chinese (zh)
Inventor
何志伟
首元锋
王文浩
廖郴鹏
黄俊维
吴郴丽
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Hunan Nongfu Electromechanical Co ltd
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Hunan Nongfu Electromechanical Co ltd
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  • Fluid-Pressure Circuits (AREA)

Abstract

The utility model discloses a tractor oil circuit control valve piece, include: 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 a regulating valve B for controlling oil to be conducted is arranged in the fifth oil passage. 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 piece
Technical Field
The utility model relates to a tractor equipment technical field, concretely relates to tractor oil circuit control valve piece.
Background
The 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 the 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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tractor oil circuit control valve piece just in order to solve above-mentioned problem to the fluid control structure's of solving among the prior art volume is great, and the installation is inconvenient, often needs a plurality of valves and pipeline to cooperate and just can realize the directional transport of fluid, and the operation is comparatively loaded down with trivial details, can not satisfy the technical problem of the user demand in present stage. The utility model provides an adopt the inside oil duct of single control valve piece to adjust the flow direction of fluid among the preferred technical scheme among a great deal of technical scheme, extend and the shrink with the promotion hydro-cylinder, adjust the height that hangs the agricultural implement, and convenient for operation, the reliability is high, and can adjust the oil circuit according to the operation environment in the use and be the high pressure state, in order to satisfy different operation demands, and simultaneously, can control the falling speed that hangs the agricultural implement through rotating governing valve A, avoid the impaired technological effect of agricultural implement, see the explanation below for details.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a tractor oil circuit control valve piece, include:
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 oil duct seventh is parallel to the oil duct I, the oil duct seventh is vertically arranged on the top surface of the control valve block, and the top end of the oil duct seventh is provided with a joint III;
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 surface of the control valve block is provided with a mounting hole.
Has the advantages that:
1. the flow direction of oil is adjusted by adopting an oil duct in a single control valve block so as to lift the extension and the 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 as to avoid the damage of the agricultural implement;
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 these drawings without creative efforts.
Fig. 1 is a first structural view of the installation position of the control valve block of the present invention;
fig. 2 is a structural view ii of the installation 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;
figure 6 is a structural view of the control valve block of figure 4 in the direction of direction a in accordance with the present invention;
figure 7 is a structural view in direction B of the control valve block of figure 4 in accordance with the present invention;
figure 8 is a structural view, in direction C, of the control valve block of figure 5 in accordance with the present invention;
figure 9 is a structural view of the control valve block of figure 5 in the direction of direction D 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 clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 9, the utility model provides a tractor oil circuit control valve block 4, which comprises an oil duct one 25 vertically arranged on the top surface of the control valve block 4, a joint four 15 arranged on the top end of the oil duct one 25, an oil pipe two 6 sleeved on the joint four 15, the oil pipe two 6 communicated with a hydraulic oil tank inside the tractor so as to facilitate the transmission of the matching oil;
the seventh oil channel 30 is parallel to the first oil channel 25, the seventh oil channel 30 is vertically arranged on the top surface of the control valve block 4, a third joint 14 is arranged at the top end of the seventh oil channel 30, a first oil pipe 5 is sleeved on the third joint 14, the first oil pipe 5 is communicated with a hydraulic oil tank in the tractor, and the seventh oil channel 30 and the first oil channel 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 interception steel ball 10 to press the compression spring 22, so that the oil passage seven 30 is communicated with the oil passage eight 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 five oil channel 23 is horizontally arranged on the side wall of the control valve block 4, the five oil channel 23 is perpendicular to the first oil channel 25 and the second oil channel 24, the five oil channel 23 is communicated with a cross point between the first oil channel 25 and the second oil channel 24, a regulating valve B20 for controlling oil to be conducted is arranged inside the five oil channel 23, and the oil inlet state inside the five oil channel 23 can be timely regulated according to use requirements by rotating the regulating valve B20, so that the oil is guided back into the hydraulic oil tank of the tractor again through the fourth oil channel 27 and the oil return joint 18 after entering the five oil channel 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 oil cavity of the lifting oil cylinder 9 is guided out under pressure, and is guided back to the joint six 17 and the joint one 12 through the connecting pipeline one 2 and the connecting pipeline three 7, and is finally collected and guided into the oil duct two 24, because the regulating valve B20 is screwed in the oil duct five 23, the oil duct five 23 can be closed, the oil can only be transmitted into the oil duct one 25 after entering the oil duct two 24, and is guided into the joint four 15 again, and is finally guided back to the hydraulic oil tank in the tractor through the oil pipe two 6, and the lifting regulation operation of the hanging agricultural implement is completed;
when the lifting oil cylinder descends, an external oil pump works to provide oil pressure, oil is pumped into an oil pipe II 6 through an external reversing valve, the oil is guided into a joint IV 15 through the oil pipe II 6 and is guided into an oil duct I25, the oil duct I23 is sealed by a regulating valve B20 in the oil duct I23, the oil is respectively guided into a joint I12 and a joint II 17 through an oil duct II 24 and flows along a connecting pipeline III 7 and a connecting pipeline I2, 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 tool to descend and 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 flow along the connecting pipeline IV 8 and the connecting pipeline II 1, and the oil is collected into the oil duct III 26 through the joint II 13 and the joint V16, 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 embodiments are only 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 think of changes or substitutions within the technical scope of the present invention, and all 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 oil;
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 fourth joint (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 fourth oil channel (27) is horizontally arranged on the side wall of the control valve block (4) and is parallel to the second oil channel (24), the fourth oil channel (27) is communicated with the fifth oil channel (23), and an oil return joint (18) is arranged at the end part of the fourth oil channel (27);
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 of claim 1, wherein: the back of the control valve block (4) is provided with a mounting hole (32).
CN202220896257.XU 2022-04-18 2022-04-18 Tractor oil circuit control valve block Active CN217107652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220896257.XU CN217107652U (en) 2022-04-18 2022-04-18 Tractor oil circuit control valve block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220896257.XU CN217107652U (en) 2022-04-18 2022-04-18 Tractor oil circuit control valve block

Publications (1)

Publication Number Publication Date
CN217107652U true CN217107652U (en) 2022-08-02

Family

ID=82581665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220896257.XU Active CN217107652U (en) 2022-04-18 2022-04-18 Tractor oil circuit control valve block

Country Status (1)

Country Link
CN (1) CN217107652U (en)

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