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CN-122004062-A - Manual lifting type electric threshing machine

CN122004062ACN 122004062 ACN122004062 ACN 122004062ACN-122004062-A

Abstract

The invention discloses a manual lifting type electric threshing vehicle, which relates to the field of She Cheji operation and comprises a chassis, wherein the chassis comprises a frame, a lifting assembly is arranged at the top of the frame in a sliding manner, a working platform is arranged at the top of the lifting assembly, the lifting assembly comprises a gas spring, a lower sliding block, a cross arm and a ratchet wheel, a sliding shaft is arranged at the bottom end of the cross arm, the other end of the sliding shaft is movably connected with the lower sliding block, a sliding groove is formed in the inner side wall of the frame, one end of the lower sliding block is fixedly connected with the gas spring, the gas spring is arranged in the frame, the lower sliding block is arranged in the sliding groove in a sliding manner, a limiting plate is fixedly connected to the bottom of the sliding groove, a plurality of limiting holes are formed in the top of the limiting plate, the limiting holes are distributed in an array along the horizontal direction of the limiting plate, the ratchet wheel is provided with mounting holes, and double locking of the sliding plate after adjustment is realized through wedge-shaped matching of a plug pin and the spring of the limiting groove.

Inventors

  • ZHANG BINGBING
  • FU CHENGCHENG

Assignees

  • 泊头市新野温室配件制造有限公司

Dates

Publication Date
20260512
Application Date
20260407

Claims (10)

  1. 1. The manual lifting type electric threshing machine comprises a chassis (1), wherein the chassis (1) comprises a frame (101), a lifting assembly (2) is slidably arranged at the top of the frame (101), and a working platform (3) is arranged at the top of the lifting assembly (2); The lifting assembly is characterized in that the lifting assembly (2) comprises a gas spring (201), a lower sliding block (202), a cross arm (203) and a ratchet wheel (205), a sliding shaft is arranged at the bottom end of the cross arm (203), the other end of the sliding shaft is movably connected with the lower sliding block (202), a sliding groove is formed in the inner side wall of the frame (101), one end of the lower sliding block (202) is fixedly connected with the gas spring (201), the gas spring (201) is arranged inside the frame (101), the lower sliding block (202) is slidably arranged inside the sliding groove, a limiting plate (206) is fixedly connected to the bottom of the sliding groove, a plurality of limiting holes (207) are formed in the top of the limiting plate (206), the limiting holes (207) are distributed in an array along the horizontal direction of the limiting plate (206), the ratchet wheel (205) is provided with a mounting hole, the sliding shaft is movably sleeved inside the mounting hole, and the bottom of the ratchet wheel (205) is in abutting connection with the limiting hole (207).
  2. 2. The manual lifting type electric threshing machine according to claim 1, wherein the chassis (1) further comprises a telescopic frame (102), the telescopic frame (102) is fixedly connected to one side of the frame (101), and universal wheels (103) are respectively and fixedly connected to two ends of the telescopic frame (102).
  3. 3. The manual lifting type electric threshing machine according to claim 1, wherein the chassis (1) further comprises a motor (104), a transmission chain (105), a transmission shaft (106) and a mounting seat (107), the motor (104) is fixedly connected to the bottom of the frame (101), the output end of the motor (104) is movably connected with one end of the transmission chain (105), the other end of the transmission chain (105) is movably connected with the transmission shaft (106), the transmission shaft (106) penetrates through the mounting seat (107), the transmission shaft (106) is rotatably connected with the inner wall of the mounting seat (107), the mounting seat (107) is fixedly mounted at the bottom of the frame (101), rail riding wheels (108) are fixedly connected to two ends of the transmission shaft (106) respectively, and a storage box (109) is fixedly mounted at the top of the frame (101).
  4. 4. A manual lifting electric threshing machine according to claim 1, characterized in that the lifting assembly (2) further comprises an upper slider (204), the upper slider (204) is fixedly connected to one end of the top of the cross arm (203), one end of the bottom of the cross arm (203) slides along the direction of the sliding chute through a lower slider (202), and the other end of the bottom of the cross arm (203) is fixedly connected to the frame (101).
  5. 5. A manual lifting electric threshing machine according to claim 1, characterized in that the working platform (3) comprises a lifting platform (301), the bottom of the lifting platform (301) is in sliding connection with the upper sliding block (204), one end of the top of the cross arm (203) is fixedly connected with the bottom of the lifting platform (301), and the top of the lifting platform (301) is provided with a handrail (302).
  6. 6. The manual lifting type electric threshing machine according to claim 5, wherein a guide sleeve (303) is sleeved on the handrail (302) in a sliding manner, a pedal frame (304) is fixedly connected to the outer side surface of the guide sleeve (303), and an electric pedal (305) is installed on the lifting table (301).
  7. 7. The manual lifting type electric threshing machine according to claim 1, wherein the frame (101) is internally provided with an adjusting component (4), the adjusting component (4) comprises an adjusting frame (401), a sliding plate (402) and a first spring (403), the adjusting frame (401) is fixedly connected to the inner wall of the frame (101), a rectangular groove is formed in the adjusting frame (401), the sliding plate (402) is in sliding connection with the rectangular groove along the groove direction of the rectangular groove, one end of the gas spring (201) penetrates through the adjusting frame (401) to the inside of the rectangular groove, one side surface of the gas spring (201) is fixedly connected with one side surface of the sliding plate (402), the other side surface of the sliding plate (402) is fixedly connected with one end of the first spring (403), and the other end of the first spring (403) is fixedly connected to one end of the rectangular groove.
  8. 8. The manual lifting type electric threshing machine according to claim 7, wherein the limiting component (5) is slidably mounted in the adjusting frame (401), the limiting component (5) comprises a limiting block (502) and a bolt (503), the limiting block (502) is slidably arranged on the side wall of the adjusting frame (401), a limiting groove (501) is formed in the side wall of the adjusting frame (401), a round hole is formed in the limiting block (502), the bolt (503) is movably connected to the inside of the round hole, one end of the bolt (503) is in abutting connection with the inside of the limiting groove (501), a baffle plate (505) is fixedly connected to the peripheral side face of the bolt (503), a second spring (504) is fixedly connected to one end of the baffle plate (505), the second spring (504) is sleeved on the outer surface of the bolt (503), and the second spring (504) and the baffle plate (505) are located in the round hole.
  9. 9. The manual lifting type electric threshing machine according to claim 8, wherein the adjusting assembly (4) further comprises an inserting block (405), the inserting block (405) is fixedly connected to one side of the sliding plate (402), a wedge-shaped groove is formed in the limiting block (502), one end of the inserting block (405) is matched with the wedge-shaped groove, and one end of the inserting block (405) is in interference fit with one end of the bolt (503).
  10. 10. The manual lifting type electric threshing machine according to claim 9, wherein a first deflector rod (404) is fixedly connected to the outer side face of the insertion block (405), and a second deflector rod (506) is fixedly connected to the outer side face of the limiting block (502).

Description

Manual lifting type electric threshing machine Technical Field The invention relates to the field of threshing trucks, in particular to a manual lifting type electric threshing truck. Background The utility model provides a threshing machine is a special auxiliary assembly that is arranged in warmhouse booth or facility agriculture crop threshing operation, and its basic structure includes the chassis and installs the elevating gear on the chassis, and elevating gear top is connected with the work platform who is used for bearing operating personnel, and operating personnel realizes the regulation of platform height through manual drive elevating gear to the plant of different height carries out threshing operation. The existing threshing machine is usually provided with a scissor type lifting device, two cross arms are hinged through a pin shaft, the bottom ends of the cross arms are slidably arranged on a chassis, when the threshing machine is used, an operator manually lifts up a platform to drive the scissor type lifting device to be unfolded, the bottom ends of the two cross arms are close to each other, so that the lifting of the platform is achieved, when the threshing machine needs to be lowered, the operator manually presses down the platform through self gravity, the bottom ends of the two cross arms are far away from each other, and the platform is lowered along with the lifting. However, because the scissor type lifting device and the working platform are heavy, the manual lifting platform needs to overcome larger resistance, an operator needs to apply larger force to realize the lifting of the platform, and particularly when the long-time and high-frequency threshing operation is performed in a greenhouse, the physical consumption of the operator is larger, fatigue is easy to generate, and the manual operation of the threshing vehicle is difficult for female operators or elderly operators with relatively weak physical strength, even the operation cannot be independently completed, so that the applicable crowd range of the threshing vehicle is limited. Disclosure of Invention The invention aims to provide a manual lifting type electric threshing machine, which solves the technical problems of difficult use of females and senior operators caused by laborious manual lifting of a platform, high operation labor intensity and high physical requirements on operators in the related art. The manual lifting type electric threshing machine comprises a chassis, wherein the chassis comprises a frame, a lifting assembly is slidably arranged at the top of the frame, and a working platform is arranged at the top of the lifting assembly; The lifting assembly comprises a gas spring, a lower slider, a cross arm and a ratchet wheel, wherein a sliding shaft is arranged at the bottom end of the cross arm, the other end of the sliding shaft is movably connected with the lower slider, a sliding groove is formed in the inner side wall of the frame, one end of the lower slider is fixedly connected with the gas spring, the gas spring is arranged inside the frame, the lower slider is arranged inside the sliding groove in a sliding manner, a limiting plate is fixedly connected with the bottom of the sliding groove, a plurality of limiting holes are formed in the top of the limiting plate, the limiting holes are distributed along the horizontal direction of the limiting plate in an array manner, the ratchet wheel is provided with a mounting hole, the sliding shaft is movably sleeved inside the mounting hole, and the bottom of the ratchet wheel is in abutting connection with the limiting hole. In a preferred embodiment, the chassis further comprises a telescopic frame, wherein the telescopic frame is fixedly connected to one side of the frame, and universal wheels are respectively and fixedly connected to two ends of the telescopic frame. In a preferred embodiment, the chassis further comprises a motor, a transmission chain, a transmission shaft and a mounting seat, wherein the motor is fixedly connected to the bottom of the frame, the output end of the motor is movably connected with one end of the transmission chain, the other end of the transmission chain is movably connected with the transmission shaft, the transmission shaft penetrates through the inside of the mounting seat, the transmission shaft is rotatably connected with the inner wall of the mounting seat, the mounting seat is fixedly mounted at the bottom of the frame, the two ends of the transmission shaft are fixedly connected with rail riding wheels respectively, and the storage box is fixedly mounted at the top of the frame. In a preferred embodiment, the lifting assembly further comprises an upper slider fixedly connected to one end of the top of the cross arm, one end of the bottom of the cross arm slides along the direction of the sliding chute through a lower slider, and the other end of the bottom of the cross arm is fixedly connected to the frame. In a