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CN-121971001-A - Big arm assembly, mechanical arm and cleaning equipment

CN121971001ACN 121971001 ACN121971001 ACN 121971001ACN-121971001-A

Abstract

The invention relates to the technical field of floor sweeping machines and discloses a large arm assembly which comprises a large arm, a wire harness penetrating through the large arm, a wire sleeve sleeved on the outer peripheral surface of the wire harness at the end part of the large arm, a fixed block group comprising a second fixed block rotationally connected in the large arm, wherein one end of the second fixed block is formed into a switch contact, the other end of the second fixed block is formed into a wire harness sleeve fixing area, a micro switch is arranged at the switch contact, the wire harness sleeve fixing area is pressed on the wire sleeve, and when the wire sleeve or the wire harness is stressed, the second fixed block can be driven to rotate, so that the micro switch is triggered. The invention further discloses a mechanical arm and cleaning equipment. The large arm assembly is simple in structure, compact in structure and high in safety.

Inventors

  • MING JINWU
  • LIU YINGHAO

Assignees

  • 追觅创新科技(苏州)有限公司

Dates

Publication Date
20260505
Application Date
20260311

Claims (11)

  1. 1. A large arm assembly, comprising: A large arm (3); a wire harness (8) is arranged in the big arm (3) in a penetrating way; A wire sleeve (9) sleeved on the outer peripheral surface of the wire harness (8) positioned at the end part of the large arm (3); The fixed block group comprises a second fixed block (11) rotatably connected in the big arm (3); One end of the second fixed block (11) is formed into a switch contact point (1102), the other end of the second fixed block is formed into a wire harness sleeve fixing area (1101), the switch contact point (1102) is provided with a micro switch (14), the wire harness sleeve fixing area (1101) is pressed on the wire sleeve (9), and when the wire sleeve (9) or the wire harness (8) is stressed, the second fixed block (11) can be driven to rotate, so that the micro switch (14) is triggered.
  2. 2. The large arm assembly according to claim 1, wherein the number of the second fixing blocks (11) is two L-shaped fixing blocks, the two second fixing blocks (11) are arranged in a mirror image, and the two second fixing blocks (11) are respectively arranged at two ends of the large arm (3) in the length direction.
  3. 3. The boom assembly according to claim 2, wherein the boom (3) comprises a boom upper cover and a boom lower cover, the boom lower cover being provided with a rotation shaft mounting hole, the corner of the second fixing block (11) being provided with a rotation shaft (1103), the rotation shaft (1103) being rotatably mounted in the rotation shaft mounting hole.
  4. 4. A boom assembly according to claim 3, characterized in that the second fixed block (11) is provided with a spring fixed column (1104) at its inner side and at the end close to the switch contact (1102).
  5. 5. The big arm assembly according to claim 4, wherein a spring fixing rib (301) is integrally formed on the big arm lower cover of the big arm (3), a spring fixing groove is formed in the spring fixing rib (301), and a spring (13) is arranged between the spring fixing groove and the spring fixing column (1104).
  6. 6. The big arm assembly according to any of the claims 1 to 5, characterized in that the fixing block set further comprises a first fixing block (10) connected in the shoulder (1) and a third fixing block (12) connected on the small arm (5), wherein a first fixing hole is arranged on the first fixing block (10), a first fixing column is arranged on the shoulder (1), the first fixing column is matched with the first fixing hole to realize the mutual fixing of the first fixing block (10) and the shoulder (1), a third fixing hole is arranged on the third fixing block (12), a third fixing column is arranged on the small arm (5), and the third fixing column is matched with the third fixing hole, so that the third fixing block (12) is fixed on the small arm (5).
  7. 7. The large arm assembly according to any one of claims 1 to 5, wherein the wire harness sleeve (9) and the wire harness sleeve fixing area (1101) are fixedly connected by means of glue or integral injection molding.
  8. 8. An mechanical arm applied to cleaning equipment, comprising a shoulder (1), a shoulder joint (2), a big arm assembly, an elbow joint (4), a small arm (5) and a control system which are sequentially connected, wherein a shoulder joint steering engine (6) is arranged on the shoulder (1) close to the shoulder joint (2), an elbow joint steering engine (7) is arranged on the small arm (5) close to the elbow joint (4), the control system is connected with the shoulder joint steering engine (6), the elbow joint steering engine (7) and the micro switch (14), and the control system is configured to control the shoulder joint steering engine (6) and/or the elbow joint steering engine (7) to stop or reverse in response to a trigger signal of the micro switch (14) when the wire sleeve (9) or the wire harness (8) is stressed to drive the second fixed block (11) to rotate so as to trigger the micro switch (14).
  9. 9. The mechanical arm according to claim 8, further comprising a main board, wherein the wire harness (8) directly communicates with the main board, the shoulder joint steering engine (6) and the elbow joint steering engine (7).
  10. 10. A cleaning apparatus comprising a robotic arm according to claim 8 or 9.
  11. 11. The utility model provides a cleaning equipment, its characterized in that includes host computer and the arm of setting on the host computer, be equipped with the mainboard on the host computer, the arm includes big arm set spare, big arm set spare includes: A large arm (3); a wire harness (8) is arranged in the big arm (3) in a penetrating way; A wire sleeve (9) sleeved on the outer peripheral surface of the wire harness (8) positioned at the end part of the large arm (3); The fixed block group comprises a second fixed block (11) which is rotationally connected in the large arm (3), wherein one end of the second fixed block (11) is formed into a switch contact point (1102), the other end of the second fixed block is formed into a wire harness sleeve fixed area (1101), the switch contact point (1102) is provided with a micro switch (14), the wire harness sleeve fixed area (1101) is pressed on the wire sleeve (9), and when the wire sleeve (9) or the wire harness (8) is stressed, the second fixed block (11) can be driven to rotate, so that the micro switch (14) is triggered, and the wire harness (8) is directly communicated with the main board.

Description

Big arm assembly, mechanical arm and cleaning equipment Technical Field The invention relates to the technical field of floor sweeping machines, in particular to a large arm assembly, a mechanical arm and cleaning equipment. Background The existing stone mechanical arm on the floor sweeping machine adopts a joint wire harness exposed connection mode, the joint wire harness can protrude outwards from a wire containing groove at the position of a mechanical joint in the unfolding process, and once a user stretches fingers into the protruding wire harness, the fingers of the user are brought into the joint wire containing groove to be squeezed and damaged in the process of recovering and closing the mechanical joint. Disclosure of Invention The invention aims to solve the problems of the first aspect by providing a large arm assembly which can avoid fingers from being injured by exposed wire harnesses, and has the advantages of simple structure and good use effect. The invention aims to solve the problem of providing the mechanical arm which can avoid the finger injury caused by the clamping of the exposed wire harness, and has the advantages of simple structure and good use effect. The problem to be solved by the third aspect of the present invention is to provide a cleaning device, which has higher safety and better use effect. To solve the above technical problem, a first aspect of the present invention provides a large arm assembly, including: A large arm; the wire harness is arranged in the large arm in a penetrating way; a wire sleeve sleeved on the outer peripheral surface of the wire harness positioned at the end part of the big arm; the fixed block group comprises a second fixed block which is rotatably connected in the big arm; One end of the second fixed block is formed into a switch contact point, the other end of the second fixed block is formed into a wire harness sleeve fixing area, a micro switch is arranged at the switch contact point, the wire harness sleeve fixing area is pressed on the wire sleeve, and when the wire sleeve or the wire harness is stressed, the second fixed block can be driven to rotate, so that the micro switch is triggered. Preferably, the number of the second fixing blocks is two L-shaped fixing blocks, the two second fixing blocks are arranged in a structural mirror image mode, and the two second fixing blocks are respectively arranged at two ends of the large arm in the length direction. Preferably, the big arm comprises a big arm upper cover and a big arm lower cover, a rotating shaft mounting hole is formed in the big arm lower cover, a rotating shaft is arranged at the corner of the second fixing block, and the rotating shaft is rotatably mounted in the rotating shaft mounting hole. Preferably, a spring fixing column is arranged at one end, close to the switch contact, of the inner side of the second fixing block. Preferably, the big arm lower cover of the big arm is integrally formed with a spring fixing rib, the spring fixing rib is provided with a spring fixing groove, and a spring is arranged between the spring fixing groove and the spring fixing column. Preferably, the fixing block group further comprises a first fixing block connected in the shoulder and a third fixing block connected to the small arm, a first fixing hole is formed in the first fixing block, a first fixing column is arranged on the shoulder and matched with the first fixing hole to achieve mutual fixing of the first fixing block and the shoulder, a third fixing hole is formed in the third fixing block, a third fixing column is arranged on the small arm and matched with the third fixing hole, and therefore the third fixing block is fixed to the small arm. Preferably, the wire sleeve and the wire harness sleeve fixing area are fixedly connected in a cementing or integral injection molding mode. The invention also provides a mechanical arm which is applied to cleaning equipment and comprises a shoulder, a shoulder joint, a big arm assembly, an elbow joint, a small arm and a control system which are sequentially connected, wherein the shoulder joint steering engine is arranged on the shoulder near the shoulder joint, the elbow joint steering engine is arranged on the small arm near the elbow joint, the control system is connected with the shoulder joint steering engine, the elbow joint steering engine and the micro-switch, and the control system is configured to control the shoulder joint steering engine and/or the elbow joint steering engine to stop or reverse rotation in response to a trigger signal of the micro-switch when the wire sleeve or the wire harness is stressed to drive the second fixed block to rotate so as to trigger the micro-switch. Preferably, the mechanical arm of the invention further comprises a main board, and the wire harness is directly communicated with the main board, the shoulder joint steering engine and the elbow joint steering engine. In addition, a third aspect of the i