Hydraulic steering wheel for wolfberry picking

Abstract

The present invention discloses a hydraulic steering wheel for picking wolfberries, comprising a picking machine body, a placing platform fixedly connected to one side of the outer surface of the picking machine body, a steering wheel arranged on the placing platform, a control shaft arranged at the bottom of the steering wheel, the control shaft passing through one end of the placing platform fixedly connected to a first connecting block, and a second connecting block rotatably connected to the first connecting block via a first connecting bolt arranged on the first connecting block, a connecting shaft fixedly connected to the bottom of the second connecting block, an oil supply pump nested on the outer surface of the connecting shaft, and a control tube arranged at the position of the oil supply pump on the outer surface of the connecting shaft. In the present invention, the steering work of the picking machine can be automatically realized through the transmission structure by turning the steering wheel, and the auxiliary steering work of the structure can be automatically performed by the oil supply pump delivering oil into the hydraulic cylinder to drive the piston rod, which can ensure the stable operation of the structure and also play a certain protective role on the structure.

Description

Technical Field

[0001] The invention relates to the technical field of hydraulic steering, in particular to a hydraulic steering wheel for picking wolfberries. Background Art

[0002] Wolfberry is a mild fruit, which is very suitable for people to use as medicine or regular diet. Therefore, wolfberry is widely planted. There are various picking machines for picking wolfberry. There are also certain requirements for the picking machines, such as the steering of the wheels of the picking machines.

[0003] The conventional steering method of the existing wolfberry picking steering wheel is to directly use the rotating shaft, gears, racks, connecting rods and other structural transmissions to achieve steering. This working method has certain instability. The single transmission structure has certain pressure loads that lead to structural damage and insufficient precision, and it is easy to have steering difficulties in some areas where steering is difficult. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] The purpose of the present invention is to solve the shortcomings of the prior art that the single transmission through the structure has a certain pressure load that causes the structure to be fragile and the precision is not accurate enough, and it is easy to have steering operation difficulties in some areas where turning is difficult, and to propose a hydraulic steering wheel for wolfberry picking.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a hydraulic steering wheel for picking wolfberries comprises a picking body, a placing platform is fixedly connected to one side of the outer surface of the picking body, a steering wheel is arranged on the placing platform, a control shaft is arranged at the bottom of the steering wheel, the control shaft passes through one end of the placing platform and is fixedly connected to a first connecting block, and the first connecting block is provided with a second connecting block rotatably connected to the first connecting block through a first connecting bolt, the bottom of the second connecting block is fixedly connected with a connecting shaft, an oil supply pump is nested on the outer surface of the connecting shaft, and a control tube is arranged on the outer surface of the connecting shaft at the position of the oil supply pump, and the inner surface of the control tube A movable shaft is provided, a gear is provided at the bottom of the connecting shaft and located in the operating tube, a rack meshing with the gear is provided on the outer surface of the movable shaft and located in the operating tube, a hydraulic cylinder is provided at one end of the operating tube, a piston rod is provided in the hydraulic cylinder, a third connecting block is fixedly connected to the driving end of the piston rod, a first connecting rod is provided on one side of the third connecting block, a fixed shaft is fixedly connected to one side of the outer surface of the picking body and located at a corresponding position on one side of the operating tube, a wheel is provided at one end of the fixed shaft, a first fixed rod is fixedly connected to the central axis of the wheel, and a second fixed rod is fixedly connected to the first fixed rod.

[0008] As a further description of the above technical solution:

[0009] A protective railing is fixedly connected to one side of the top of the placement platform, and a fixed baffle is fixedly connected between one end of the protective railing and one side of the outer surface of the picking body. A driver's seat is arranged on one side of the steering wheel on the placement platform.

[0010] As a further description of the above technical solution:

[0011] The oil supply pump is provided with two first connectors, the outer surface of the hydraulic cylinder is provided with two second connectors, and the two first connectors are connected with the two second connectors through an oil delivery pipe.

[0012] As a further description of the above technical solution:

[0013] The bottom of the oil supply pump is fixedly connected to a first connecting seat, the top of the control tube is fixedly connected to a second connecting seat at a position corresponding to the first connecting seat, and the first connecting seat and the outer surface of the second connecting seat are fixedly connected to connecting blocks at positions corresponding to the first connecting seat, and a fastening bolt is connected between the two connecting blocks.

[0014] As a further description of the above technical solution:

[0015] A limiting groove which is nested and matched with one end of the connecting shaft is provided at a position corresponding to the connecting shaft at the bottom of the inner wall of the control tube.

[0016] As a further description of the above technical solution:

[0017] The outer surface of the piston rod is provided with a piston sheet, and the piston sheet divides the interior of the hydraulic cylinder into a left piston chamber and a right piston chamber.

[0018] As a further description of the above technical solution:

[0019] A fixing seat is fixedly connected to one side of the top of the fixing shaft, and a second connecting rod is arranged on the fixing seat. Both ends of the first connecting rod and the second connecting rod and one end of the first fixing rod are fixedly connected with connecting plates, and both ends of the first connecting rod are respectively connected to the third connecting block and the second fixing rod, both ends of the second connecting rod are respectively connected to the third connecting block and the fixing seat, and the first fixing rod and the fixing shaft through second connecting bolts.

[0020] As a further description of the above technical solution:

[0021] One side of the outer surface of the control tube, one side of the outer surface of the hydraulic cylinder and the fixed shaft are fixedly connected through a fixing block.

[0022] The present invention has the following beneficial effects:

[0023] The hydraulic steering wheel for picking wolfberry can be conveniently controlled through a picking machine body, a placing platform, a protective railing, a fixed baffle, a driver's seat, a steering wheel, a control shaft, a connecting shaft, an oil supply pump, a control pipe, a moving shaft, a gear, a rack, a hydraulic cylinder, a piston rod, a left piston chamber, a right piston chamber, a first connecting head, a second connecting head, a first connecting block, a second connecting block, a third connecting block, a first connecting rod, a second connecting rod, a first fixed rod, a second fixed rod, and an oil pipeline. The placing platform on the picking machine body can be used for convenient control operations, the protective railing and the fixed baffle can play a protective role, and the driver's seat position can be adjusted. The steering wheel is used to control the steering wheel. When the steering wheel is turned, the steering wheel drives the control shaft to rotate. The control shaft drives the first connecting block to rotate. The first connecting block drives the second connecting block to rotate through the first connecting bolt. The second connecting block drives the connecting shaft to rotate. The connecting shaft drives the gear to rotate. The gear drives the moving shaft to move in the control tube through the meshing connection with the rack. The moving shaft is connected to the piston rod and drives the oil supply pump at the same time. The oil supply pump passes the oil through the first connecting head through the oil pipeline and then through the second connecting head into the left piston chamber and the right piston chamber respectively. When the moving shaft drives the piston rod, the oil supply The pump is started at the same time, and hydraulic auxiliary drive is performed on it to ensure the flexibility and accuracy of steering. At the same time, hydraulic assistance can ensure the stable operation of the structure in some difficult-to-turn areas, and can also play a certain protective role on the structure, reducing the use pressure of the components. At the same time, the piston rod drives the third connecting block, and the third connecting block is rotatably connected to the first connecting rod and the second connecting rod through the connecting plate and the second connecting bolt respectively. Then, the first connecting rod is rotatably connected to the second fixed rod on the wheel, the second connecting rod is rotatably connected to the fixed shaft, and the first fixed rod is rotatably connected to the fixed shaft. The rotational connection relationship between the first fixed rod and the fixed shaft can automatically realize the steering of the wheel. The whole structure realizes the purpose of wheel steering by driving the gear and the rack through the connecting shaft to drive the moving shaft and then realize the wheel steering through the auxiliary drive of hydraulic steering, which solves the problem that the conventional steering method is mostly to directly use the rotating shaft to drive the gear to rotate, drive the shaft to move through the meshing of the gear and rack, and drive the wheel to turn through the connecting rod. This working method has certain instability, and the single transmission through the structure has certain structural fragility and insufficient precision, and it is easy to have the problem of difficult steering operation in some areas with difficult steering. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front view of the hydraulic steering wheel for picking wolfberries proposed by the present invention;

[0025] Figure 2 A top view of the hydraulic steering wheel for picking wolfberries proposed by the present invention;

[0026] Figure 3 The invention provides a hydraulic steering wheel for picking wolfberries. Figure 1 Enlarged view of point A in the middle.

[0027] Legend:

[0028] 1. Picking machine body; 2. Placing table; 3. Protective railing; 4. Fixed baffle; 5. Driver's seat; 6. Steering wheel; 7. Control shaft; 8. First connecting block; 9. First connecting bolt; 10. Second connecting block; 11. Connecting shaft; 12. Oil supply pump; 13. First connecting head; 14. Moving shaft; 15. First connecting seat; 16. Control pipe; 17. Second connecting seat; 18. Connecting block; 19. Fastening bolt; 20. Gear; 21. Limiting groove; 22, rack; 23, hydraulic cylinder; 24, second connecting head; 25, left piston chamber; 26, right piston chamber; 27, piston rod; 28, piston plate; 29, third connecting block; 30, connecting plate; 31, second connecting bolt; 32, first connecting rod; 33, fixed shaft; 34, wheel; 35, first fixed rod; 36, second fixed rod; 37, fixed seat; 38, second connecting rod; 39, fixed block; 40, oil pipeline. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Reference Figure 1-3An embodiment of the present invention provides a hydraulic steering wheel for picking wolfberries, comprising a picking body 1, a placing platform 2 is fixedly connected to one side of the outer surface of the picking body 1, a steering wheel 6 is arranged on the placing platform 2, a control shaft 7 is arranged at the bottom of the steering wheel 6, the control shaft 7 passes through one end of the placing platform 2 and is fixedly connected to a first connecting block 8, and the first connecting block 8 is provided with a second connecting block 10 rotatably connected to the first connecting block 8 through a first connecting bolt 9, a connecting shaft 11 is fixedly connected to the bottom of the second connecting block 10, an oil supply pump 12 is nested on the outer surface of the connecting shaft 11, and a control tube 16 is arranged on the outer surface of the connecting shaft 11 at the position of the oil supply pump 12, a moving shaft 14 is arranged in the control tube 16, and a connecting shaft 11 is connected to the connecting shaft 11. A gear 20 is provided at the bottom of the connecting shaft 11 and located in the operating tube 16, a rack 22 meshing with the gear 20 is provided on the outer surface of the movable shaft 14 and located in the operating tube 16, a hydraulic cylinder 23 is provided at one end of the operating tube 16, a piston rod 27 is provided in the hydraulic cylinder 23, a third connecting block 29 is fixedly connected to the driving end of the piston rod 27, a first connecting rod 32 is provided on one side of the third connecting block 29, a fixed shaft 33 is fixedly connected to one side of the outer surface of the picking body 1 and located at a corresponding position on one side of the operating tube 16, a wheel 34 is provided at one end of the fixed shaft 33, a first fixed rod 35 is fixedly connected to the central axis of the wheel 34, and a second fixed rod 36 is fixedly connected to the first fixed rod 35.

[0032] A protective railing 3 is fixedly connected to one side of the top of the placement platform 2, and a fixed baffle 4 is fixedly connected between one end of the protective railing 3 and one side of the outer surface of the picking body 1. A driver's seat 5 is arranged on the placement platform 2 at one side of the steering wheel 6. The protective railing 3 and the fixed baffle 4 can protect the placement platform 2, and the driver's seat 5 is convenient for operating the steering wheel 6; two first connectors 13 are arranged on the oil supply pump 12, and two second connectors 24 are arranged on the outer surface of the hydraulic cylinder 23. The two first connectors 13 are connected to the two second connectors 24 through an oil pipeline 40, and the two first connectors 13 and the two second connectors 24 are connected. The oil delivery pipe 40 between the two can automatically supply oil to the hydraulic cylinder 23 to facilitate auxiliary steering; the bottom of the oil supply pump 12 is fixedly connected to the first connecting seat 15, and the top of the control tube 16 is fixedly connected to the second connecting seat 17 at a position corresponding to the first connecting seat 15, and the first connecting seat 15 and the second connecting seat 17 are fixedly connected to the corresponding positions of the outer surfaces of the first connecting seat 15 and the second connecting seat 17. A fastening bolt 19 is connected between the two connecting blocks 18, and the fastening bolt 19 on the connecting block 18 can stably fix the structure at the corresponding position; a fastening bolt 19 is provided at the bottom of the inner wall of the control tube 16 at a position corresponding to the connecting shaft 11, which is connected to one end of the connecting shaft 11 The nested limiting grooves 21 can ensure the stable operation of the structure when the connecting shaft 11 rotates through the setting of the limiting grooves 21; the outer surface of the piston rod 27 is provided with a piston plate 28, and the piston plate 28 divides the inside of the hydraulic cylinder 23 into a left piston chamber 25 and a right piston chamber 26. The corresponding left piston chamber 25 and right piston chamber 26 can be conveniently supplied with oil so that the piston rod 27 can work stably and can also play a role in assisting steering operation; a fixed seat 37 is fixedly connected to one side of the top of the fixed shaft 33, and a second connecting rod 38 is provided on the fixed seat 37. The first connecting rod 32 and the two ends of the second connecting rod 38, and the first fixed rod 35 One end is fixedly connected with a connecting piece 30, and the two ends of the first connecting rod 32 are rotatably connected to the third connecting block 29 and the second fixed rod 36, the two ends of the second connecting rod 38 are respectively connected to the third connecting block 29 and the fixed seat 37, and the first fixed rod 35 and the fixed shaft 33 through the second connecting bolt 31. The connection relationship between the various components can enable the structure to operate stably; one side of the outer surface of the control tube 16 and one side of the outer surface of the hydraulic cylinder 23 are fixedly connected to the fixed shaft 33 through the fixing block 39. The fixed connection of the fixing block 39 enables the control tube 16 and the structure on the hydraulic cylinder 23 to operate stably.

[0033] Working principle: When using the hydraulic steering wheel for picking wolfberries, the control operation can be conveniently performed through the placement platform 2 on the picking body 1, the protective railing 3 and the fixed baffle 4 can play a protective role, and the driver's seat 5 can be used to control the steering wheel 6. Turn the steering wheel 6, the steering wheel 6 drives the control shaft 7 to rotate, the control shaft 7 drives the first connecting block 8 to rotate, the first connecting block 8 drives the second connecting block 10 to rotate through the first connecting bolt 9, the second connecting block 10 drives the connecting shaft 11 to rotate, the connecting shaft 11 drives the gear 20 to rotate, the gear 20 drives the moving shaft 14 to move in the control tube 16 through the meshing connection with the rack 22, and the movable shaft 14 is connected to the piston rod 27 through the provided connection, and the oil supply pump 12 is driven at the same time to supply oil. The pump 12 delivers oil through the first connector 13 through the oil pipe 40 and then through the second connector 24 into the left piston chamber 25 and the right piston chamber 26 respectively. When the movable shaft 14 drives the piston rod 27, the oil supply pump 12 is started at the same time to perform hydraulic auxiliary driving. At the same time, the piston rod 27 drives the third connecting block 29. The third connecting block 29 is rotationally connected to the first connecting rod 32 and the second connecting rod 38 through the connecting plate 30 and the second connecting bolt 31 respectively. Then, the steering of the wheel 34 can be automatically achieved through the rotational connection between the first connecting rod 32 and the second fixed rod 36 on the wheel 34, the rotational connection between the second connecting rod 38 and the fixed shaft 33, and the rotational connection between the first fixed rod 35 and the fixed shaft 33.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic steering wheel for picking wolfberries, comprising a picking machine body (1), characterized in that: A placing platform (2) is fixedly connected to one side of the outer surface of the picking machine body (1), a steering wheel (6) is arranged on the placing platform (2), a control shaft (7) is arranged at the bottom of the steering wheel (6), the control shaft (7) passes through one end of the placing platform (2) and is fixedly connected to a first connecting block (8), and a second connecting block (10) is arranged on the first connecting block (8) and is rotatably connected to the first connecting block (8) through a first connecting bolt (9), a connecting shaft (11) is fixedly connected to the bottom of the second connecting block (10), an oil supply pump (12) is nested on the outer surface of the connecting shaft (11), and a control tube (16) is arranged on the outer surface of the connecting shaft (11) at the position of the oil supply pump (12), a movable shaft (14) is arranged in the control tube (16), and the bottom of the connecting shaft (11) and located at the control tube (16) A gear (20) is arranged inside the movable shaft (14); a rack (22) meshingly connected with the gear (20) is arranged on the outer surface of the movable shaft (14) and located inside the control tube (16); a hydraulic cylinder (23) is arranged at one end of the control tube (16); a piston rod (27) is arranged inside the hydraulic cylinder (23); a driving end of the piston rod (27) is fixedly connected to a third connecting block (29); a first connecting rod (32) is arranged on one side of the third connecting block (29); a fixed shaft (33) is fixedly connected to one side of the outer surface of the picking machine body (1) and located at a position corresponding to one side of the control tube (16); a wheel (34) is arranged at one end of the fixed shaft (33); a first fixed rod (35) is fixedly connected to the central axis of the wheel (34); a second fixed rod (36) is fixedly connected to the first fixed rod (35); A protective railing (3) is fixedly connected to one side of the top of the placement platform (2), and a fixed baffle (4) is fixedly connected between one end of the protective railing (3) and one side of the outer surface of the picking machine body (1), and a driver's seat (5) is provided on the placement platform (2) at one side of the steering wheel (6); The oil supply pump (12) is provided with two first connectors (13), the outer surface of the hydraulic cylinder (23) is provided with two second connectors (24), and the two first connectors (13) and the two second connectors (24) are connected through an oil delivery pipe (40); The bottom of the oil supply pump (12) is fixedly connected to a first connection seat (15), the top of the control tube (16) is fixedly connected to a second connection seat (17) at a position corresponding to the first connection seat (15), and the outer surfaces of the first connection seat (15) and the second connection seat (17) are fixedly connected to connection blocks (18) at positions corresponding to each other, and a fastening bolt (19) is connected between the two connection blocks (18); A fixing seat (37) is fixedly connected to one side of the top of the fixing shaft (33), and a second connecting rod (38) is arranged on the fixing seat (37). The first connecting rod (32) and the two ends of the second connecting rod (38) and one end of the first fixing rod (35) are fixedly connected to a connecting piece (30), and the two ends of the first connecting rod (32) are respectively connected to the third connecting block (29) and the second fixing rod (36), the two ends of the second connecting rod (38) are respectively connected to the third connecting block (29) and the fixing seat (37), and the first fixing rod (35) and the fixing shaft (33) through a second connecting bolt (31).

2. The hydraulic steering wheel for picking wolfberries according to claim 1, characterized in that: A limiting groove (21) which is nested and matched with one end of the connecting shaft (11) is provided at a position corresponding to the connecting shaft (11) on the bottom of the inner wall of the control tube (16).

3. The hydraulic steering wheel for picking wolfberries according to claim 1, characterized in that: The outer surface of the piston rod (27) is provided with a piston sheet (28), and the piston sheet (28) divides the interior of the hydraulic cylinder (23) into a left piston chamber (25) and a right piston chamber (26).

4. The hydraulic steering wheel for picking wolfberries according to claim 1, characterized in that: One side of the outer surface of the control tube (16), one side of the outer surface of the hydraulic cylinder (23) and the fixed shaft (33) are fixedly connected via a fixed block (39).

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