Backpack cleaning equipment for corn combine harvester

By designing a load-type cleaning equipment for corn combined harvesters, combined with the water-feeding cleaning structure, auxiliary support structure and limit separation structure, the existing equipment is solved for the inconvenient and insecure operation when cleaning tall machines, and an efficient and safe cleaning effect is achieved.

CN118988845BActive Publication Date: 2025-06-06HEILONGJIANG PROV AGRI MACHINERY ENG SCI INST
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Patent Information

Application Number
CN202411463159.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-06-06
Estimated Expiration
2044-10-21

AI Technical Summary

Technical Problem

When cleaning tall combined harvesters, the existing truck-type cleaning equipment requires people to climb onto the machine, which is inconvenient and unsafe to operate.

Method used

A load-back cleaning equipment for corn combined harvesters is designed, including a water-feeding cleaning structure, an auxiliary support structure and a limit separation structure. The water supply cleaning structure is supplied with water through the drainage and water guide part, and the spray rod and nozzle are combined for flushing; the auxiliary support structure uses a dual-out shaft motor and a reversing frame to support the fixing frame, and the limit separation structure realizes limit separation through the locker and the block to ensure safe climb of personnel.

Benefits of technology

It realizes efficient flushing of corn combined harvesters, reduces people's load, saves manpower, avoids safety risks during climbing, and ensures convenience and safety of operation.

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Abstract

The present invention relates to the technical field of agricultural machinery cleaning, specifically a backpack cleaning device for a corn combine harvester, comprising a fixed frame, and also comprising: a water supply cleaning structure connected to the fixed frame; an auxiliary support structure connected to the fixed frame; a limit separation structure fixedly connected to the fixed frame, the limit separation structure comprising a holder, the fixed frame is connected to a first active telescopic frame, the first active telescopic frame is connected to a pressure block, the pressure block and the holder are jointly connected to the limit frame, the limit frame is fixedly connected to a back frame, the back frame is connected to two groups of straps, the back frame is connected to an elastic clamping part, the back frame is connected to a balancing power-assisting part, and the balancing power-assisting part is connected to a wireless control part. The present invention performs a flushing operation on the harvester through the mutual cooperation of the water supply cleaning structure, the auxiliary support structure, and the limit separation structure, and reduces the load on personnel and saves manpower through the self-separation of the limit separation structure, and the elastic clamping part fixes the spray rod to ensure the safety of personnel when climbing the harvester.
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Description

Technical Field

[0001] The invention relates to the technical field of agricultural machinery cleaning, in particular to a backpack cleaning device for a corn combine harvester. Background Art

[0002] With the development of precision agriculture and smart agriculture, the level of agricultural mechanization has been continuously improved. As one of the important manifestations of agricultural mechanization, combine harvesters have been gradually applied to the corn harvesting process in recent years.

[0003] After using, the combine harvester is often stained with a lot of dirt. In order to ensure the service life of the combine harvester, it is often necessary to thoroughly rinse the combine harvester after use. The existing backpack cleaning equipment can ensure the convenience of personnel moving on the ground, but when cleaning a tall combine harvester, the personnel need to climb onto the combine harvester with the cleaning equipment on their backs. During this period, the personnel also need to hold the spray rod and other parts, which is laborious and unsafe. Summary of the invention

[0004] The object of the present invention is to provide a backpack cleaning device for a corn combine harvester to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A backpack cleaning device for a corn combine harvester comprises a fixing frame and also comprises:

[0007] A water supply cleaning structure connected to the fixed frame, the water supply cleaning structure comprising a water supply part connected to the fixed frame, the water supply part is connected to a pipe-release water guide part, the pipe-release water guide part is connected to the fixed frame, the pipe-release water guide part is connected to a spray rod, and the spray rod is fixedly connected to a spray head;

[0008] An auxiliary support structure connected to the fixed frame, the auxiliary support structure includes a motor frame movably connected to the fixed frame, the motor frame is fixedly connected to a double-output shaft motor, the output end of the double-output shaft motor is fixedly connected to a reversing frame, the reversing frame is fixedly connected to a tripod, and the fixed frame is fixedly connected to an inclined top frame adapted to the reversing frame;

[0009] A limiting separation structure fixedly connected to a fixed frame, the limiting separation structure includes a clamping seat fixedly connected to the fixed frame, the fixed frame is fixedly connected to a first active telescopic frame, the movable end of the first active telescopic frame is fixedly connected to a pressure block, the pressure block and the clamping seat are movably connected to the limiting frame, the limiting frame is fixedly connected to a back frame, the back frame is fixedly connected to two sets of shoulder straps, the back frame is fixedly connected to an elastic clamping portion movably connected to a spray rod, the back frame is connected to a balancing assist portion, and a wireless control portion is movably mounted on the balancing assist portion.

[0010] As a further improvement of the present invention: the water supply part includes a water tank movably connected to a fixed frame, the water tank is fixedly connected to a manual valve, the manual valve is movably connected to a threaded joint, the threaded joint is fixedly connected to a water inlet hose, the water inlet hose is fixedly connected to a pressurized water pump, the pressurized water pump is fixedly connected to the fixed frame, the pressurized water pump is fixedly connected to a water outlet pipe, and the water outlet pipe is connected to the pipe-discharging water guide part.

[0011] As a further improvement of the present invention: the pipe-releasing water-guiding part includes a carrier fixedly connected to a fixed frame, the carrier fixedly connected with a rotating joint, the rotating joint fixedly connected to a water outlet pipe, the rotating joint rotatably connected to a bent pipe, the bent pipe fixedly connected to a first gear, the carrier fixedly connected to a first motor, the output shaft of the first motor fixedly connected to a second gear meshing with the first gear, the bent pipe fixedly connected to a pipe winding roller rotatably mounted on the carrier, the pipe winding roller fixedly connected to a connecting pipe head fixedly connected to the bent pipe, the connecting pipe head fixedly connected to a water outlet hose wound around the pipe winding roller, the water outlet hose is fixedly connected to a spray rod, the carrier fixedly connected to a second motor, the output shaft of the second motor fixedly connected to a screw, the screw threadedly connected to a wheel frame, the wheel frame slidably mounted on the carrier, and a pressure wheel in contact with the water outlet hose rotatably mounted on the wheel frame.

[0012] As a further improvement of the present invention: the elastic clamping portion includes an extension frame fixedly connected to the back frame, and the extension frame is fixedly connected to an elastic spring sheet movably connected to the spray rod.

[0013] As a further improvement of the present invention: the balance assisting part includes a rotating sleeve rotatably mounted on the back frame, the back frame is fixedly connected with a wide-angle limit plate in contact with the rotating sleeve, and a pressure handle is slidably mounted on the rotating sleeve, and the pressure handle is movably connected to the wireless control part.

[0014] As a further improvement scheme of the present invention: the wireless control unit includes a frame, a limit shaft is rotatably installed on the frame, a knob is fixedly connected to one end of the limit shaft, a bidirectional threaded shaft is fixedly installed on the other end of the limit shaft, the bidirectional threaded shaft is threadedly connected to two groups of symmetrically arranged clamping frames, the clamping frames are movably connected to the pressure handle, the clamping frames are slidably connected to the frame, the frame is fixedly connected to a touch panel, and the frame is fixedly connected to a wireless communication module that is communicatively connected to the touch panel.

[0015] As a further improvement of the present invention: an articulated seat is fixedly mounted on the carrier, a pipe pressing rack connected to the water outlet hose is hingedly mounted on the articulated seat, and a coil spring is installed between the pipe pressing rack and the articulated seat.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] Under normal circumstances, the pressure block and the holder are connected to the limit frame. The personnel carry the frame by wearing a shoulder strap. The water supply unit supplies water to the spray rod through the pipe-releasing water guide unit. The spray rod guides the water flow to the nozzle, so that the nozzle sprays water for flushing. The personnel move the nozzle by holding and moving the spray rod, thereby adjusting the direction of the water flow from the nozzle. When the personnel moves on the ground, they adjust the center of gravity by pressing the dynamic balance assist unit. When it is necessary to climb onto the harvester for flushing, the double-output shaft motor drives the reversing frame to rotate toward the inclined top frame, so that the foot The frame rotates toward the ground, and the inclined top frame limits the movement of the inclined top frame by abutting against the reversing frame. The first active telescopic frame drives the pressure block away from the limiting frame. The person first squats down, and the tripod is pressed on the ground, and the limiting frame is separated from the holder. Then the person moves in the direction away from the fixed frame to make the fixed frame and the limiting frame separate from each other. When the person climbs, the elastic clamping part limits and fixes the spray rod. After the person climbs onto the harvester, the spray rod is actively taken out from the elastic clamping part to move the spray rod and the nozzle. The water supply part supplies water, and the nozzle sprays water, so that the present invention performs a flushing operation. The present invention performs flushing operations on the harvester through the mutual cooperation of the water supply and cleaning structure, the auxiliary support structure, and the limiting and separating structure. When it is necessary to climb onto the harvester and perform flushing operations, the auxiliary support structure falls to the ground and supports the fixed frame, and then the limiting of the limiting frame by the pressure block and the bracket is released, and the movement of the spray rod is limited by the elastic clamping part, which reduces the weight of personnel, saves manpower, avoids personnel from climbing while holding the spray rod, and ensures personnel safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0019] Figure 2 It is a structural schematic diagram of the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of the pipe-laying water guide part and the water outlet pipe of the present invention;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the pipe-laying water guide part and the water outlet pipe of the present invention;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the bending pipe, the first gear, the pipe winding roller and the pipe connecting head cooperating with each other in the present invention;

[0023] Figure 6 It is a schematic diagram of the structure of the articulated seat, the pipe pressing frame and the coil spring of the present invention;

[0024] Figure 7It is a schematic diagram of a three-dimensional structure in which the back frame, the back strap, the elastic clamping part and the balance assisting part cooperate with each other in the present invention;

[0025] Figure 8 It is a schematic diagram of the three-dimensional structure of the back frame, the back strap, the balance assisting part and the limit frame cooperating with each other in the present invention;

[0026] Fig. 9 It is a schematic diagram of the structure of the fixing frame, the holder, the first active telescopic frame and the pressing block of the present invention.

[0027] In the figure: 1. fixed frame; 2. independent power supply; 3. master control module; 4. water supply and cleaning structure; 5. water supply unit; 6. pipe-discharging and water-guiding unit; 7. spray rod; 8. spray head; 9. auxiliary support structure; 10. motor frame; 11. double-shaft motor; 12. reversing frame; 13. tripod; 14. inclined top frame; 15. limited separation structure; 16. card seat; 17. first active telescopic frame; 18. pressure block; 19. back frame; 20. shoulder strap; 21. screw rod; 22. elastic clamping unit; 23. balance assist unit; 24. wireless control unit; 25. water tank; 26. manual valve; 27. threaded joint; 28. water inlet hose; 29. ​​pressurization Water pump; 30, water outlet pipe; 31, limit frame; 32, carrier; 33, rotating joint; 34, bent pipe; 35, first gear; 36, first motor; 37, second gear; 38, pipe winding roller; 39, pipe connecting head; 40, water outlet hose; 41, second motor; 42, wheel frame; 43, pressure wheel; 44, extension frame; 45, elastic spring; 46, rotating sleeve; 47, wide-angle limit plate; 48, pressure handle; 49, frame; 50, limit shaft; 51, knob; 52, two-way threaded shaft; 53, clamp; 54, touch panel; 55, wireless communication module; 56, hinged seat; 57, pipe pressing frame; 58, coil spring. DETAILED DESCRIPTION

[0028] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0029] Example 1, see Figures 1 to 9 As shown, a backpack cleaning device for a corn combine harvester includes a fixing frame 1, the fixing frame 1 is fixedly connected to an independent power supply 2, the fixing frame 1 is fixedly connected to a master control module 3, the master control module 3 includes a Bluetooth communication module for data interaction and a microcomputer for information processing, and also includes:

[0030] A water supply cleaning structure 4 connected to the fixing frame 1, the water supply cleaning structure 4 includes a water supply part 5 connected to the fixing frame 1, the water supply part 5 is connected to a pipe-release water guide part 6, the pipe-release water guide part 6 is connected to the fixing frame 1, the pipe-release water guide part 6 is connected to a spray rod 7, and the spray rod 7 is fixedly connected to a spray head 8;

[0031] An auxiliary support structure 9 connected to the fixed frame 1, the auxiliary support structure 9 includes a motor frame 10 movably connected to the fixed frame 1, the motor frame 10 is fixedly connected to a double-output shaft motor 11, the output end of the double-output shaft motor 11 is fixedly connected to a reversing frame 12, the reversing frame 12 is fixedly connected to a tripod 13, and the fixed frame 1 is fixedly connected to an inclined top frame 14 adapted to the reversing frame 12;

[0032] A limiting separation structure 15 fixedly connected to the fixed frame 1, the limiting separation structure 15 includes a holder 16 fixedly connected to the fixed frame 1, the fixed frame 1 is fixedly connected to a first active telescopic frame 17, the movable end of the first active telescopic frame 17 is fixedly connected to a pressure block 18, the pressure block 18 is slidably connected to a dovetail bar fixedly connected to the fixed frame 1, the dovetail bar is fixedly connected to a headrest, the pressure block 18 and the holder 16 are jointly movably connected to a limiting frame 31, the limiting frame 31 is movably connected to the fixed frame 1, the limiting frame 31 is fixedly connected to a back frame 19, the back frame 19 is fixedly connected to two sets of shoulder straps 20, the back frame 19 is fixedly connected to an elastic clamping portion 22 movably connected to a spray rod 7, the back frame 19 is connected to a balancing assist portion 23, and a wireless control portion 24 is movably mounted on the balancing assist portion 23.

[0033] Under normal circumstances, the pressing block 18 and the holder 16 are both connected to the limit frame 31. The person wears the shoulder strap 20 to carry the back frame 19 so that the present invention moves with the person. The wireless control unit 24 sends a control instruction to the water supply unit 5 through the master control module 3. The water supply unit 5 supplies water to the spray rod 7 through the pipe-release water guide unit 6. The spray rod 7 guides the water flow to the nozzle 8 so that the nozzle 8 sprays water for flushing. The person moves the nozzle 8 by holding and moving the spray rod 7, thereby adjusting the direction of the water flow sprayed from the nozzle 8. When the person moves on the ground, the center of gravity is adjusted by pressing the dynamic balance assist unit 23. When it is necessary to climb onto the harvester for flushing, the double-output shaft motor 11 drives the reversing frame 12 to rotate obliquely The top frame 14 is arranged so that the tripod 13 rotates toward the ground, and the inclined top frame 14 limits the movement of the inclined top frame 14 by abutting against the reversing frame 12. The first active telescopic frame 17 drives the pressure block 18 away from the limiting frame 31. The person first squats down, the tripod 13 is pressed on the ground, the limiting frame 31 is separated from the holder 16, and then the person moves in the direction away from the fixed frame 1, so that the fixed frame 1 and the limiting frame 31 are separated from each other. When the person climbs, the pipe-releasing water-guiding part 6 performs the pipe-releasing operation, and the elastic clamping part 22 limits and fixes the spray rod 7. After the person climbs onto the harvester, the spray rod 7 is actively taken out from the elastic clamping part 22 to move the spray rod 7 and the nozzle 8. The water supply part 5 performs the water supply operation, and the nozzle 8 sprays water, so that the present invention performs the flushing operation. The present invention performs flushing operations on the harvester through the mutual cooperation of the water supply and cleaning structure 4, the auxiliary support structure 9, and the limiting separation structure 15. When it is necessary to climb onto the harvester and perform flushing operations, the auxiliary support structure 9 falls to the ground and supports the fixed frame 1, and then the limiting of the limiting frame 31 by the pressure block 18 and the bracket 16 is released, and the elastic clamping part 22 is used to limit the movement of the spray rod 7, thereby reducing the load on personnel, saving manpower, avoiding personnel from climbing while holding the spray rod 7, and ensuring personnel safety.

[0034] In one case of this embodiment, the water supply part 5 includes a water tank 25 movably connected to the fixing frame 1, two sets of handles are fixedly installed on the top of the water tank 25, the handles are movably connected to the top frame fixedly connected to the tripod 13, the tripod 13 applies pressure to the handles through the top frame to press the water tank 25 into the fixing frame 1, the water tank 25 is fixedly connected to a manual valve 26, the manual valve 26 is movably connected to a threaded joint 27, the threaded joint 27 is fixedly connected to a water inlet hose 28, the water inlet hose 28 is fixedly connected to a pressurized water pump 29, the pressurized water pump 29 is fixedly connected to the fixing frame 1, the pressurized water pump 29 is fixedly connected to a water outlet pipe 30, and the water outlet pipe 30 is connected to the pipe-discharging water guide part 6. The pressurized water pump 29 performs a pumping operation, and the pressurized water pump 29 presses the pumped water into the pipe-discharging water guide part 6 through the water outlet pipe 30, so that the water in the water tank 25 is transported into the pipe-discharging water guide part 6.

[0035] In one case of this embodiment, the pipe-releasing water-guiding part 6 includes a carrier 32 fixedly connected to the fixed frame 1, the carrier 32 is fixedly connected to a rotating joint 33, the rotating joint 33 is fixedly connected to the water outlet pipe 30, the rotating joint 33 is rotatably connected to a curved pipe 34, the curved pipe 34 is fixedly connected to a first gear 35, the carrier 32 is fixedly connected to a first motor 36, the output shaft of the first motor 36 is fixedly connected to a second gear 37 meshing with the first gear 35, the curved pipe 34 is fixedly connected to a pipe winding roller 38 rotatably mounted on the carrier 32, the pipe winding roller 38 is fixedly connected to a connecting pipe head 39 which is fixedly connected to the bent pipe 34, the connecting pipe head 39 is fixedly connected to a water outlet hose 40 which is wound around the pipe winding roller 38, the pipe winding roller 38 is provided with a spiral groove for limiting the water outlet hose 40, the water outlet hose 40 is fixedly connected to the spray rod 7, the carrier 32 is fixedly connected to a second motor 41, the output shaft of the second motor 41 is fixedly connected to a screw 21, the screw 21 is threadedly connected to a wheel frame 42, the wheel frame 42 is slidably installed on the carrier 32, and a pressure wheel 43 which contacts the water outlet hose 40 is rotatably installed on the wheel frame 42. The first motor 36 drives the second gear 37 to rotate. The rotating second gear 37 drives the first gear 35 to rotate, so that the curved pipe 34 drives the pipe winding roller 38 to rotate, so as to wind or release the water outlet hose 40. The water flow in the water outlet pipe 30 passes through the rotating joint 33, the curved pipe 34, the connecting head 39, and the water outlet hose 40 in sequence, and finally flows into the spray rod 7. The second motor 41 drives the screw rod 21 to rotate, and the rotating screw rod 21 drives the wheel frame 42 to slide in the carrier 32, so as to comb the moving water outlet hose 40.

[0036] In one case of this embodiment, the elastic clamping portion 22 includes an extension frame 44 fixedly connected to the back frame 19, and the extension frame 44 is fixedly connected to multiple groups of elastic springs 45 movably connected to the spray rod 7. When the spray rod 7 needs to be removed, the elastic spring 45 is squeezed and deformed by the spray rod 7, thereby providing space for the spray rod 7 to detach from the elastic clamping portion 22.

[0037] In one case of this embodiment, the balance assisting part 23 includes a rotating sleeve 46 rotatably mounted on the back frame 19, the back frame 19 is fixedly connected with a wide-angle stopper 47 in contact with the rotating sleeve 46, and a pressing handle 48 is slidably mounted on the rotating sleeve 46, and the pressing handle 48 is movably connected to the wireless control part 24. When a person presses the pressing handle 48, the pressing handle 48 presses the rotating sleeve 46 on the wide-angle stopper 47, so that the person can adjust the center of gravity when carrying the present invention to avoid leaning back and tipping over.

[0038] In one case of the present embodiment, the wireless control unit 24 includes a frame 49, on which a limit shaft 50 is rotatably mounted, a knob 51 is fixedly connected to one end of the limit shaft 50, and a bidirectional threaded shaft 52 is fixedly mounted to the other end of the limit shaft 50, two sets of threads on the bidirectional threaded shaft 52 are symmetrically and reversely arranged, the bidirectional threaded shaft 52 is threadedly connected to two sets of symmetrically arranged clamping frames 53, the clamping frames 53 are movably connected to the pressure handle 48, the clamping frames 53 are slidably connected to the frame 49, the frame 49 is fixedly connected to a touch panel 54, the frame 49 is fixedly connected to a wireless communication module 55 that is communicatively connected to the touch panel 54, and the wireless communication module 55 is communicatively connected to the master control module 3. By rotating the knob 51, the bidirectional threaded shaft 52 is rotated, and the rotating bidirectional threaded shaft 52 drives the two sets of clamping frames 53 to move, so as to facilitate the release of the connection between the wireless control unit 24 and the pressure handle 48, and facilitate the separate maintenance of the wireless control unit 24.

[0039] Embodiment 2, based on embodiment 1, refer to Figure 3 , Figure 4 , Figure 6 The carrier 32 is fixedly provided with an articulated seat 56, the articulated seat 56 is articulated with a pipe pressing frame 57 connected to the water outlet hose 40, and a coil spring 58 is installed between the pipe pressing frame 57 and the articulated seat 56. By applying pressure to the water outlet hose 40 by the pipe pressing frame 57, the water outlet hose 40 is conveniently fitted into the groove on the pipe winding roller 38, and the water outlet hose 40 is prevented from moving at will.

[0040] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A backpack cleaning device for a corn combine harvester, comprising a fixing frame, characterized in that: Also includes: A water supply and cleaning structure connected to the fixed frame, the water supply and cleaning structure includes a water supply part connected to the fixed frame, the water supply part is connected to a pipe-release water guide part, the pipe-release water guide part is connected to the fixed frame, the pipe-release water guide part is connected to a spray rod, the spray rod is fixedly connected to a spray head, the water supply part includes a water tank movably connected to the fixed frame, the water tank is fixedly connected to a manual valve, the manual valve is movably connected to a threaded joint, the threaded joint is fixedly connected to a water inlet hose, the water inlet hose is fixedly connected to a pressurized water pump, the pressurized water pump is fixedly connected to the fixed frame, the pressurized water pump is fixedly connected to a water outlet pipe, the water outlet pipe is connected to the pipe-release water guide part, the pipe-release water guide part includes a carrier fixedly connected to the fixed frame, the carrier is fixedly connected to a rotating joint The rotating joint is fixedly connected to the water outlet pipe, the rotating joint is rotatably connected to a bent pipe, the bent pipe is fixedly connected to a first gear, the carrier is fixedly connected to a first motor, the output shaft of the first motor is fixedly connected to a second gear meshing with the first gear, the bent pipe is fixedly connected to a pipe winding roller rotatably mounted on the carrier, the pipe winding roller is fixedly connected to a pipe connecting head fixedly connected to the bent pipe, the pipe connecting head is fixedly connected to a water outlet hose wound around the pipe winding roller, the water outlet hose is fixedly connected to a spray rod, the carrier is fixedly connected to a second motor, the output shaft of the second motor is fixedly connected to a screw, the screw is threadedly connected to a wheel frame, the wheel frame is slidably mounted on the carrier, and a pressure wheel in contact with the water outlet hose is rotatably mounted on the wheel frame; An auxiliary support structure connected to the fixed frame, the auxiliary support structure includes a motor frame movably connected to the fixed frame, the motor frame is fixedly connected to a double-output shaft motor, the output end of the double-output shaft motor is fixedly connected to a reversing frame, the reversing frame is fixedly connected to a tripod, and the fixed frame is fixedly connected to an inclined top frame adapted to the reversing frame; A limit separation structure fixedly connected to the fixed frame, the limit separation structure includes a clamping seat fixedly connected to the fixed frame, the fixed frame is fixedly connected to a first active telescopic frame, the movable end of the first active telescopic frame is fixedly connected to a pressure block, the pressure block and the clamping seat are movably connected to the limit frame together, the limit frame is fixedly connected to a back frame, the back frame is fixedly connected to two sets of shoulder straps, the back frame is fixedly connected to an elastic clamping part movably connected to the spray rod, the back frame is connected to a balancing assisting part, a wireless control part is movably installed on the balancing assisting part, the balancing assisting part includes a rotating sleeve rotatably installed on the back frame, The back frame is fixedly connected with a wide-angle limit plate in contact with the rotating sleeve frame, and a pressure handle is slidably installed on the rotating sleeve frame. The pressure handle is movably connected to the wireless control unit. The wireless control unit includes a frame, and a limit shaft is rotatably installed on the frame. A knob is fixedly connected to one end of the limit shaft, and a bidirectional threaded shaft is fixedly installed on the other end of the limit shaft. The bidirectional threaded shaft is threadedly connected with two groups of symmetrically arranged clamping frames, the clamping frames are movably connected to the pressure handle, the clamping frames are slidably connected to the frame, the frame is fixedly connected with a touch panel, and the frame is fixedly connected with a wireless communication module that is communicatively connected to the touch panel.

2. The backpack cleaning device for a corn combine harvester according to claim 1, characterized in that: The elastic clamping part comprises an extension frame fixedly connected to the back frame, and the extension frame is fixedly connected to an elastic spring sheet movably connected to the spray rod.

3. The backpack cleaning device for a corn combine harvester according to claim 1, characterized in that: A hinged seat is fixedly installed on the carrier, a pipe pressing frame connected to the water outlet hose is hinged on the hinged seat, and a coil spring is installed between the pipe pressing frame and the hinged seat.

Citation Information

Patent Citations

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