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CN-224224860-U - High ground clearance vertical shaft structure

CN224224860UCN 224224860 UCN224224860 UCN 224224860UCN-224224860-U

Abstract

The utility model discloses a high-clearance vertical shaft structure, which belongs to the technical field of pesticide spraying machines, and comprises a vertical shaft, a support arm, a pneumatic execution part and a traction part, wherein one end of the support arm is sleeved on the vertical shaft through a shaft sleeve part, the pneumatic execution part is arranged at the top end of the vertical shaft and can stretch out and draw back along the axial direction of the vertical shaft, the traction part is connected between the pneumatic execution part and the shaft sleeve part and can be folded, the traction part is provided with a traction upper plate for bearing the pneumatic execution part and fixedly connected with the vertical shaft and a traction plate fixedly connected with the top end of the shaft sleeve part, the pneumatic execution part is fixedly connected with the traction plate through a pull frame, and the pneumatic execution part is fixedly connected with the pneumatic execution part through a pipeline, and a control rod is connected between the traction upper plate and the pneumatic valve for controlling the air inlet or the air outlet of the pneumatic execution part in a linkage mode.

Inventors

  • LI ZHENG
  • LIU DEXIAN
  • WANG ZHONGBAO
  • QI JIANHUA
  • ZHAO LILI
  • GUO YABO
  • LI DEFENG

Assignees

  • 公主岭市华玺农业机械制造有限公司

Dates

Publication Date
20260512
Application Date
20250516

Claims (9)

  1. 1. A high ground clearance vertical shaft structure comprising: A vertical shaft (2) with the bottom end fixedly connected with the wheel (1) through a motor bracket (11), a support arm (3) with one end sleeved on the vertical shaft (2) through a shaft sleeve part, a pneumatic execution part (5) which is arranged at the top end of the vertical shaft (2) and can stretch and retract along the axial direction of the vertical shaft, and A traction member (4) which is connected between the pneumatic actuator (5) and the bushing portion and can be folded; The traction component (4) is provided with a traction upper plate (42) which carries the pneumatic execution component (5) and is fixedly connected with the vertical shaft (2) and a traction plate (41) which is fixedly connected with the top end of the shaft sleeve part; Wherein the pneumatic execution component (5) is fixedly connected with the traction plate (41) through a pull frame (6), and further comprises The pneumatic valve (7) is fixedly connected to the traction plate (41) and is connected with the pneumatic execution component (5) through a pipeline (71), and a control rod (8) is connected between the traction upper plate (42) and the pneumatic valve (7) and is used for following the pneumatic execution component (5) to control the pneumatic valve (7) to perform air intake or air exhaust in a linkage mode.
  2. 2. The high clearance vertical shaft structure of claim 1, wherein: The control rod (8) is a folding rod, one end of the control rod is connected with the pneumatic valve (7), the other end of the control rod is rotatably connected with the traction upper plate (42), and a connecting rubber block (83) is arranged at the bending position of the middle part of the control rod (8).
  3. 3. The high clearance vertical shaft structure of claim 1, wherein: The traction means (4) comprise a foldable pot assembly for rigidly connecting the traction plate (41) and the traction upper plate (42).
  4. 4. A high clearance vertical shaft structure according to claim 3, wherein: the pan plug assembly comprises a first pan plug (46) and a second pan plug (47); One end of the first pot plug (46) is rotationally connected with the traction plate (41) through a string pin (48), the other end of the first pot plug is rotationally connected with one end of the second pot plug (47) through the string pin (48), and the other end of the second pot plug (47) is rotationally connected with the traction upper plate (42) through the string pin (48).
  5. 5. The high clearance vertical shaft structure of claim 4, wherein: the pot insert assembly further comprises an anti-collision rubber pier (44) used for flexibly stopping the traction plate (41) from contacting with the traction upper plate (42).
  6. 6. A high clearance vertical shaft structure according to claim 3, wherein: The traction component (4) further comprises a traction connecting plate (43), a flange joint is arranged at the top end of the shaft sleeve part, the traction connecting plate (43) is sleeved outside the flange joint and fixedly connected with the lower surface of the traction plate (41), and the shaft sleeve part of the support arm (3) can rotate relative to the vertical shaft (2).
  7. 7. The high clearance vertical shaft structure of claim 1, wherein: the pull frame (6) comprises pull plates (62) fixedly connected to two sides of the traction plate (41), top plates (61) are fixedly connected to the top ends of the two pull plates (62), and the top plates (61) are fixedly connected with the pneumatic execution component (5).
  8. 8. A high ground clearance vertical shaft structure according to any one of claims 1 to 7 wherein: the pneumatic execution component (5) is an air bag or an air cylinder.
  9. 9. A high ground clearance vertical shaft structure according to any one of claims 1 to 7 wherein: The support arm (3) is cast.

Description

High ground clearance vertical shaft structure Technical Field The utility model relates to the technical field of medicine spraying machines, in particular to a high-ground-clearance vertical shaft structure for a self-propelled medicine spraying machine. Background In the prior art, a high-clearance self-propelled boom pesticide sprayer mainly comprises a chassis, wherein a frame is arranged on the chassis, a boom capable of being unfolded is arranged on the frame, and various pesticides, fertilizers and other liquid preparations are sprayed through the boom; The chassis of the self-propelled boom sprayer mainly comprises wheels, each wheel corresponds to one vertical shaft, the vertical shafts are connected with a frame, the frame is supported by the vertical shafts, a higher ground clearance is formed between the frame and the ground, the self-propelled boom sprayer is high in adaptability and good in flexibility in operation due to the high ground clearance of the frame, the self-propelled boom sprayer still has defects in use, when the self-propelled boom sprayer operates in a field, the field ground tends to have uneven conditions, the sprayer fluctuates up and down in running, the height of the vertical shafts is constant, the frame cannot be kept in a stable state under the condition of facing different terrains, and the poor boom operation quality can be caused due to the uneven operation height. Disclosure of utility model The utility model aims to overcome the defects of the prior art, and provides a high-ground-clearance vertical shaft structure which is adjustable in height, meets the requirement of automatic leveling of agricultural machinery, ensures that the agricultural machinery can maintain stable operation heights under different terrains and improves operation quality and efficiency. In order to achieve the above object, the present utility model provides the following technical solutions: the utility model discloses a high ground clearance vertical shaft structure, which comprises: A vertical shaft with the bottom end fixedly connected with the wheels through a motor bracket, a support arm with one end sleeved on the vertical shaft through a shaft sleeve part, a pneumatic execution part which is arranged at the top end of the vertical shaft and can stretch and retract along the axial direction of the vertical shaft, and A foldable traction member connected between the pneumatic actuator and the boss; The traction component is provided with a traction upper plate which carries the pneumatic execution component and is fixedly connected with the vertical shaft and a traction plate fixedly connected with the top end of the shaft sleeve part; wherein the pneumatic execution component is fixedly connected with the traction plate through a pull frame, and further comprises The pneumatic valve is fixedly connected to the traction plate and connected with the pneumatic execution component through a pipeline, and a control rod is connected between the traction upper plate and the pneumatic valve and used for controlling the pneumatic valve to perform air intake or air exhaust in a linkage mode along with the pneumatic execution component. Further, the control rod is a folding rod, one end of the control rod is connected with the pneumatic valve, the other end of the control rod is rotatably connected with the traction upper plate, and a connecting rubber block is arranged at the bending position of the middle part of the control rod. Further, the traction component comprises a foldable pot plug assembly for rigidly connecting the traction plate and the traction upper plate. Further, the pot insert assembly comprises a first pot insert and a second pot insert; One end of the first pot is rotatably connected with the traction plate through a string pin, the other end of the first pot is rotatably connected with one end of the second pot through the string pin, and the other end of the second pot is rotatably connected with the traction upper plate through the string pin. Further, the pot insert assembly further comprises an anti-collision rubber pier, and the anti-collision rubber pier is used for flexibly stopping the traction plate from contacting with the traction upper plate. Further, the traction component further comprises a traction connecting plate, a flange joint is arranged at the top end of the shaft sleeve part, the traction connecting plate is sleeved outside the flange joint and fixedly connected with the lower surface of the traction plate, and the shaft sleeve part of the support arm can rotate relative to the vertical shaft. Further, the pull frame comprises pull plates fixedly connected to two sides of the traction plate, top plates are fixedly connected to the tops of the two pull plates, and the top plates are fixedly connected with the pneumatic execution part. Further, the pneumatic execution component is an air bag or an air cylinder. Further, the support arm is cast. In th