CN216650426U - Tractor forced-pressure lifting control system - Google Patents
Tractor forced-pressure lifting control system Download PDFInfo
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- CN216650426U CN216650426U CN202123394172.6U CN202123394172U CN216650426U CN 216650426 U CN216650426 U CN 216650426U CN 202123394172 U CN202123394172 U CN 202123394172U CN 216650426 U CN216650426 U CN 216650426U
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Abstract
The utility model discloses a tractor strong pressure lifting control system, comprising: the hydraulic lifting device comprises a rack, wherein a transmission case is arranged above the rack, a lifter case is arranged above the transmission case, and an oil cylinder mounting seat is arranged on the outer wall of the transmission case; the lifting arm is rotatably arranged on the outer wall of the lifter shell through a rotating shaft; the bottom end of the lifting oil cylinder is hinged to the oil cylinder mounting seat, and the top end of the lifting oil cylinder is hinged to the lifting arm; the lower pull rod is hinged on the outer wall of the rack; a lifting bar; a multi-way valve; and a control valve block. The beneficial effects are that: adopt the multi-way valve cooperation control valve piece to adjust the flow direction of hydraulic oil to control lift cylinder's extension and shrink, and then make the lift arm drive the lift bar and rotate, carry out the altitude mixture control to the farm implements that lower link and hung, easy operation is convenient, and the reliability is high, can the different operation demands of adaptation.
Description
Technical Field
The utility model relates to the technical field of tractor equipment, in particular to a tractor forced pressure lifting control system.
Background
In order to facilitate the operation, a traction structure is usually designed at the tail of the tractor for hanging different agricultural implements, wherein the traction structure comprises a rotary cultivator, a seeder, a harvester, a pesticide spreader, a soil turning machine and the like.
The structure of the common traction mounting system of the tractor on the market at present is heavy, space utilization is not enough, and efficiency when promoting is lower, simultaneously can't adapt to all kinds of agricultural implements of unidimensional and installation model, so the degree of difficulty when installing the mounting agricultural implement is great, needs to change corresponding size and model sectional fixture, and the commonality is relatively poor, can influence production efficiency simultaneously, can not satisfy the user demand in present stage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, and provides a tractor forced-lifting control system to solve the technical problems that a common tractor traction mounting system in the prior art is heavy in structure, insufficient in space utilization rate, low in lifting efficiency and incapable of being adapted to various agricultural implements of different sizes and mounting models, so that the mounting difficulty of the agricultural implements is high, mounting clamps of corresponding sizes and models need to be replaced, the universality is poor, the production efficiency is influenced, and the use requirements in the current stage cannot be met. According to the technical scheme, the multi-way valve is matched with the control valve block to adjust the flow direction of the hydraulic oil, so that the extension and the contraction of the lifting oil cylinder are controlled, the lifting arm drives the lifting rod to rotate, the height of the lower pull rod and the suspended farm tool is adjusted, the operation is simple and convenient, the reliability is high, the technical effect of adapting to different operation requirements can be achieved, and the technical effect is elaborated below.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a tractor strong pressure lifting control system, which comprises:
the hydraulic lifting device comprises a rack, wherein a transmission case is arranged above the rack, a lifter case is arranged above the transmission case, and an oil cylinder mounting seat is arranged on the outer wall of the transmission case;
the lifting arm is rotatably arranged on the outer wall of the lifter shell through a rotating shaft;
the bottom end of the lifting oil cylinder is hinged on the oil cylinder mounting seat, and the top end of the lifting oil cylinder is hinged on the lifting arm;
the lower pull rod is hinged on the outer wall of the frame and used for hanging farm tools;
the two ends of the lifting rod are respectively hinged and fixed with the lifting arm and the lower pull rod;
the multi-way valve is connected with the hydraulic oil tank and used for controlling the conduction state of the hydraulic oil;
and the control valve block is respectively connected with the multi-way valve and the lifting oil cylinder through pipelines and is used for controlling hydraulic oil to be guided into the lifting oil cylinder for height adjustment.
Preferably, a pull rod mounting seat is arranged on the rack, a lower pull rod positioning joint matched with the pull rod mounting seat is arranged at the bottom of the lower pull rod, and a universal ball head is arranged inside the lower pull rod positioning joint.
Preferably, the top end of the lifting rod is provided with an upper lifting rod support which is used for being in hinged fit with the lifting arm, the bottom end of the lifting rod is provided with a lower lifting rod support which is used for being in hinged fit with the lower pull rod, and the lifting rod is fixedly installed with the upper lifting rod support and the lower lifting rod support through threads.
Preferably, the outer wall of the lifting rod is provided with a rotating handle.
Preferably, the side wall of the gearbox shell is provided with symmetrically arranged traction plate mounting seats, and the lower pull rod is provided with positioning holes matched with the traction plate mounting seats.
Preferably, the outer wall of the control valve block is provided with a mounting hole.
Preferably, the end part of the lower pull rod is provided with an agricultural implement mounting joint.
Has the advantages that:
1. the multi-way valve is matched with the control valve block to adjust the flow direction of the hydraulic oil, so that the extension and the contraction of the lifting oil cylinder are controlled, the lifting arm drives the lifting rod to rotate, the height of the lower pull rod and the suspended farm tool is adjusted, the operation is simple and convenient, the reliability is high, and the multi-way valve can be adapted to different operation requirements;
2. the lower pull rod positioning joint is connected with the pull rod mounting seat through the matching of the pin shaft and the universal ball head, so that the lower pull rod can deflect in the moving process, the lower pull rod is adaptive to the transverse movement of the farm tool, the impact force in the operation process is reduced, in addition, the structural design can also facilitate the adjustment of the distance between the two lower pull rods, and the mounting difficulty between the lower pull rod and the farm tool can be reduced;
3. the distance between the lifting arm and the lower pull rod can be adjusted through the threaded fit between the lifting rod and the upper lifting rod support and between the lifting rod and the lower lifting rod support, so that the lifting arm and the lower pull rod can be adapted to different operation requirements;
4. the pull rod is installed through the matching of the through hole and the positioning hole, and the rotation angle of the lower pull rod can be limited through the pull rod, so that the deflection caused by unbalanced stress of the farm tool in the advancing process of the tractor is avoided, the shaking of the farm tool in the operation process can be reduced, and the operation efficiency of the farm tool is improved;
5. the control valve block can be conveniently fixed through the mounting holes and the matching screws, and the stability of the control valve block in the using process is ensured;
6. the agricultural implement mounting joint can be fixed by matching with the mounting hole positions on the pin shaft and the equipment, so that the agricultural implement is convenient to mount.
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 view of the farm implement of the present invention in a raised configuration;
fig. 2 is a structural view of the agricultural implement of the present invention in a lowered state.
The reference numerals are explained below:
1. a lower pull rod positioning joint; 2. a pull rod mounting seat; 3. an oil cylinder mounting base; 4. a transmission housing; 5. a frame; 6. positioning the shaft; 7. a riser housing; 8. a cylinder joint; 9. a multi-way valve; 10. a control valve block; 11. a first draft tube; 12. a second draft tube; 13. a lift arm; 14. a lifting rod upper bracket; 15. an oil return joint; 16. a lifting bar; 17. a lower pull rod; 18. an agricultural implement mounting joint; 19. a lifting rod lower bracket; 20. a traction plate mounting seat; 21. and lifting the oil cylinder.
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 utility model, and not restrictive of the full scope of the utility model. 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. 1-2, the utility model provides a tractor forced lifting control system, which comprises a frame 5, wherein the frame 5 is used for mounting and supporting each part on a tractor body, a gearbox shell 4 is arranged above the frame 5, a lifter shell 7 is arranged above the gearbox shell 4, the lifter shell 7 is fixedly mounted on the gearbox shell 4 through bolts, two oil cylinder mounting seats 3 are arranged on the outer wall of the gearbox shell 4, and the two oil cylinder mounting seats 3 can respectively provide hinged support positions for the bottom of a lifting oil cylinder 21;
the lifting arms 13 are rotatably installed on the outer wall of the lifter shell 7 through rotating shafts, and the number of the lifting arms 13 is two, and the two lifting arms are symmetrically arranged on the lifter shell 7 and used for balancing the pulling force during lifting.
The bottom end of the lifting oil cylinder 21 is hinged on the oil cylinder mounting base 3, the top end of the lifting oil cylinder 21 is hinged on the lifting arm 13, and the outer wall of the lifting arm 13 is provided with a positioning shaft 6 which can be matched with the lifting oil cylinder 21 for mounting and supporting so as to adjust the angle of the lifting arm 13 through the lifting oil cylinder 21;
the lower pull rod 17 is hinged to the outer wall of the frame 5 and used for hanging agricultural implements, and the height of the agricultural implements can be controlled by adjusting the supporting angle of the lower pull rod 17;
the lifting rod 16, both ends of the lifting rod 16 are hinged and fixed with the lifting arm 13 and the lower pull rod 17 respectively, the lifting rod 16 is used for cooperating with the lifting arm 13 to drive the lower pull rod 17 to move up and down;
the multi-way valve 9 is connected with a hydraulic oil tank and used for controlling the conduction state of hydraulic oil, the multi-way valve 9 is provided with two oil cylinder connectors 8, the number of the oil cylinder connectors 8 is two, the two oil cylinder connectors are respectively used for oil inlet and oil return, the multi-way valve 9 is provided with a first guide pipe 11 and a second guide pipe 12 which are respectively communicated with a connector III 25 and a connector IV 26 and used for supplying oil to the interior of the control valve block 10, the multi-way valve 9 has three working conditions, the first working condition can control oil to enter the first guide pipe 11, the second working condition can control oil to enter the second guide pipe 12, and the third working condition seals the multi-way valve 9 and prevents the oil from flowing, so that different use requirements can be met in a matched mode;
As shown in fig. 1 and fig. 2, a pull rod mounting seat 2 is arranged on the frame 5, the number of the pull rod mounting seats 2 is two, the pull rod mounting seats are symmetrically arranged on the outer wall of the frame 5, and are used for balancing supporting force, a lower pull rod 17 positioning joint 1 matched with the pull rod mounting seat 2 is arranged at the bottom of the lower pull rod 17, the lower pull rod 17 positioning joint 1 is arranged at the inner part of the lower pull rod 17 positioning joint 1, a universal ball head is arranged between the lower pull rod 17 positioning joint 1 and the pull rod mounting seat 2, and the lower pull rod 17 can be conveniently deflected in the moving process through the matching of a pin shaft and the universal ball head, so that the shock force in the operating process can be reduced, in addition, the structural design can also be conveniently used for adjusting the distance between the two lower pull rods 17, and further can be used for reducing the installation difficulty between the lower pull rod 17 and the farm implement.
As shown in fig. 1 and fig. 2, the top end of the lifting rod 16 is provided with a lifting rod upper support 14 for being hinged with the front end of the lifting arm 13, the lifting rod upper support 14 is hinged with the lifting arm 13 through a rotating shaft and a universal joint, the bottom end of the lifting rod 16 is provided with a lifting rod lower support 19 for being hinged with the lower pull rod 17, the lifting rod lower support 19 is hinged with the lifting arm 13 through a rotating shaft and a universal joint, so that the lifting rod lower support can freely rotate during the height adjustment of the lower pull rod 17, so as to adapt to the moving direction of the farm tool, the lifting rod 16 is fixedly installed with the lifting rod upper support 14 and the lifting rod lower support 19 through threads, the lifting rod upper support 14 and the lifting rod lower support 19 are both provided with a screw rod extending into the lifting rod 16, the lifting rod 16 is hollow inside, a thread matched with the screw rod is formed, and the screw thread adopts a coarse triangular thread pair, the self-locking performance is good, and loosening and falling can be avoided.
As shown in FIGS. 1 and 2, a rotating handle is arranged on the outer wall of the lifting rod 16, and the design of the rotating handle is convenient for a user to push the lifting rod 16 to rotate, so that the relative length of the lifting rod 16 can be adjusted through the threaded fit between the lifting rod 16 and the lifting rod upper bracket 14 and the lifting rod lower bracket 19, and the requirements of farm implements with different heights can be met.
As shown in fig. 1 and 2, be equipped with symmetrical arrangement's traction plate mount pad 20 on the lateral wall of gearbox housing 4, set up the through-hole of cooperation pull rod installation on the traction plate mount pad 20, set up the locating hole with traction plate mount pad 20 matched with on the pull rod 17, can install the both ends of pull rod through this through-hole of round pin axle cooperation and locating hole respectively during the use, and then carry on spacingly through the turned angle of pull rod to pull rod 17 down, avoid the tractor to take place to deflect at the in-process agricultural implement atress unbalance of marcing, can reduce rocking of agricultural implement in the operation process, promote agricultural implement operating efficiency.
As shown in fig. 1, the outer wall of the control valve block 10 is provided with three mounting holes 41, and the three mounting holes 41 are uniformly distributed on the back of the control valve block 10, so that the control valve block 10 can be conveniently fixed by the mounting holes 41 in cooperation with screws, and the stability of the control valve block 10 in the using process is ensured.
As shown in fig. 1 and 2, an agricultural implement mounting joint 18 is disposed at an end of the lower link 17, and the agricultural implement mounting joint 18 can be fixed by matching with the pin shaft and a mounting hole 41 on the equipment, so that an agricultural implement can be mounted conveniently.
Adopt above-mentioned structure, when the height of the agricultural implement of hanging on the pull rod 17 that needs to descend:
an oil pump in a hydraulic oil tank on the frame 5 works, the hydraulic oil is conveyed into the multi-way valve 9 through a pipeline, a valve core on the multi-way valve 9 is pulled to adjust the working condition, so that the oil is led out from a second flow guide pipe 12 of the multi-way valve 9,
after hydraulic oil is conveyed to the interior of the lifting oil cylinder 21 through a hydraulic pipe of the control valve block 10, the lifting oil cylinder 21 is contracted, the positioning shaft 6 on the lifting arm 13 is pushed to move downwards, the lifting arm 13 is further rotated by taking a rotating shaft which is in hinged fit with the lifter shell 7 and the lifting arm 13 as a center, the lifting arm 13 is further driven to move downwards, and the lifting rod 16 is further driven to move downwards, so that the lower pull rod 17 at the bottom of the lifting rod 16 rotates downwards along the center of a pin shaft of the pull rod mounting seat 2 on the side wall of the rack 5, and the hung agricultural implement moves downwards to be close to the ground for operation;
the oil liquid in the lifting oil cylinder 21 is guided back to the control valve block 10 through the hydraulic pipe, and finally guided back to the multi-way valve 9 through the first guide pipe 11, and finally transmitted into the hydraulic oil tank, so that the downward movement adjustment operation of the mounted agricultural implement is completed;
when the height of the agricultural implement hung on the pull rod 17 needs to be lowered:
the valve core on the multi-way valve 9 is pulled to adjust the working condition, so that the oil is led out from the first guide pipe 11 of the multi-way valve 9 and is conveyed into the lifting oil cylinder 21 after being guided by the control valve block 10, the lifting oil cylinder 21 is extended, the positioning shaft 6 on the lifting arm 13 is further pushed to move upwards, the lifting arm 13 is further rotated by a rotating shaft which is in hinged fit between the lifter shell 7 and the lifting arm 13, the lifting arm 13 is further driven to move upwards, the lifting rod 16 is driven to move upwards, the lower pull rod 17 at the bottom of the lifting rod 16 rotates and moves upwards along the pin shaft center of the pull rod mounting seat 2 on the side wall of the rack 5, and the hung agricultural implement moves downwards to leave the ground;
the oil liquid in the lifting oil cylinder 21 is guided back to the control valve block through the hydraulic pipe and finally guided back to the multi-way valve 9 through the second guide pipe 12, and then is transmitted into the hydraulic oil tank, and the lifting adjustment operation of the mounted agricultural implement is completed;
when the height of the agricultural implement hung on the lower pull rod 17 needs to be fixed;
the case on the staff pulling multiple unit valve 9 carries out the operating mode and adjusts, thereby make first honeycomb duct 11 and second honeycomb duct 12 seal, avoid fluid to flow, lift 21 inside fluid of hydro-cylinder this moment and be the encapsulated situation, so the rigidity of pull down rod 17, the agricultural implement that hangs on it is highly fixed equally, thereby realize the forced pressure state, can be applicable to the operation and lift the agricultural implement after finishing, be convenient for transport, perhaps place the agricultural implement on ground and stretch into the bottom surface, so that level and smooth the operation, or turn over the operation.
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 (7)
1. The utility model provides a tractor forced draft promotes control system which characterized in that: the method comprises the following steps:
the hydraulic cylinder lifting mechanism comprises a rack (5), wherein a transmission case (4) is arranged above the rack (5), a lifter case (7) is arranged above the transmission case (4), and an oil cylinder mounting seat (3) is arranged on the outer wall of the transmission case (4);
the lifting arm (13) is rotatably arranged on the outer wall of the lifter shell (7) through a rotating shaft;
the bottom end of the lifting oil cylinder (21) is hinged to the oil cylinder mounting seat (3), and the top end of the lifting oil cylinder (21) is hinged to the lifting arm (13);
the lower pull rod (17) is hinged on the outer wall of the rack (5) and used for hanging agricultural tools;
the lifting rod (16), both ends of the said lifting rod (16) articularly connect with lifting arm (13) and draw bar (17) fixedly separately;
the multi-way valve (9) is connected with the hydraulic oil tank and used for controlling the conduction state of the hydraulic oil;
and the control valve block (10) is respectively connected with the multi-way valve (9) and the lifting oil cylinder (21) through pipelines and is used for controlling hydraulic oil to be led into the lifting oil cylinder (21) to adjust the height.
2. The tractor forced lift control system of claim 1, characterized in that: the pull rod positioning device is characterized in that a pull rod mounting seat (2) is arranged on the rack (5), a lower pull rod positioning joint (1) matched with the pull rod mounting seat (2) is arranged at the bottom of the lower pull rod (17), and a universal ball head is arranged inside the lower pull rod positioning joint (1).
3. The tractor forced lift control system of claim 1, characterized in that: the lifting rod (16) is provided with a lifting rod upper support (14) at the top end for being in hinged fit with the lifting arm (13), a lifting rod lower support (19) at the bottom end for being in hinged fit with the lower pull rod (17), and the lifting rod (16) is fixedly installed with the lifting rod upper support (14) and the lifting rod lower support (19) through threads.
4. The tractor forced lift control system of claim 1, characterized in that: the outer wall of the lifting rod (16) is provided with a rotating handle.
5. The tractor forced lift control system of claim 1, characterized in that: the side wall of the gearbox shell (4) is provided with symmetrically arranged traction plate mounting seats (20), and the lower pull rod (17) is provided with positioning holes matched with the traction plate mounting seats (20).
6. The tractor forced lift control system of claim 1, characterized in that: and the outer wall of the control valve block (10) is provided with a mounting hole (41).
7. The tractor forced lift control system of claim 1, characterized in that: the end part of the lower pull rod (17) is provided with an agricultural implement mounting joint (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123394172.6U CN216650426U (en) | 2021-12-29 | 2021-12-29 | Tractor forced-pressure lifting control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123394172.6U CN216650426U (en) | 2021-12-29 | 2021-12-29 | Tractor forced-pressure lifting control system |
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| Publication Number | Publication Date |
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| CN216650426U true CN216650426U (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123394172.6U Active CN216650426U (en) | 2021-12-29 | 2021-12-29 | Tractor forced-pressure lifting control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114128429A (en) * | 2021-12-29 | 2022-03-04 | 湖南农夫机电有限公司 | Tractor forced-pressure lifting control system |
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2021
- 2021-12-29 CN CN202123394172.6U patent/CN216650426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114128429A (en) * | 2021-12-29 | 2022-03-04 | 湖南农夫机电有限公司 | Tractor forced-pressure lifting control system |
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