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CN-224226582-U - Maintenance lifting device

CN224226582UCN 224226582 UCN224226582 UCN 224226582UCN-224226582-U

Abstract

The utility model relates to the technical field of mechanical maintenance equipment and discloses a maintenance lifting device which comprises a base, wherein the top of the base is fixedly connected with a plurality of telescopic rods, the tops of the telescopic rods are fixedly connected with bearing plates, the left side and the right side of the top of the base are provided with self-locking limiting mechanisms, the self-locking limiting mechanisms are used for locking a lifting platform to prevent sliding down, the four corners of the bottom of the base are fixedly connected with moving mechanisms, the moving mechanisms are used for conveniently using the moving devices, buffer mechanisms are arranged between the adjacent two bearing plates, and the four corners of the top of the base are provided with rotating mechanisms. According to the utility model, by arranging the self-locking limiting mechanism, the mechanical plug-in matching structure between the push block and the limiting column is utilized to realize automatic locking on a physical structure, and the self-locking limiting mechanism can be stably locked under the extreme working condition of emergency power failure, so that the safety guarantee capability in the maintenance operation process is obviously improved.

Inventors

  • ZHANG QINGQUAN

Assignees

  • 张清泉

Dates

Publication Date
20260512
Application Date
20250630

Claims (8)

  1. 1. The maintenance lifting device comprises a base (1) and is characterized in that the top of the base (1) is fixedly connected with a plurality of telescopic rods (2), the tops of the telescopic rods (2) are fixedly connected with bearing plates (3), self-locking limiting mechanisms (4) are arranged on the left side and the right side of the top of the base (1), the self-locking limiting mechanisms (4) are used for locking lifting platforms to prevent sliding down, moving mechanisms (5) are fixedly connected to four corners of the bottom of the base (1), the moving mechanisms (5) are used for conveniently using the moving devices, buffer mechanisms (9) are arranged between adjacent two bearing plates (3), rotating mechanisms (7) are arranged at four corners of the top of the base (1), power mechanisms (6) are arranged on the far side of the rotating mechanisms (7), and lifting mechanisms (8) are arranged between adjacent rotating mechanisms (7); The self-locking limiting mechanism (4) comprises two pushing blocks (401), the bottoms of the pushing blocks (401) are fixedly connected to the left side and the right side of the top of the base (1), two clamping buckles (402) are fixedly connected between adjacent pushing blocks (401), the inner sides of the clamping buckles (402) are fixedly connected with limiting columns (403), two sliding rails (404) are arranged at the top of the base (1), a plurality of limiting holes (405) are formed in the left side and the right side of the bearing plate (3), and pushing assemblies (406) are arranged on the far side of each pushing block (401).
  2. 2. The maintenance lifting device according to claim 1, wherein the moving mechanism (5) comprises a plurality of connecting round tables (501), the tops of the connecting round tables (501) are respectively and fixedly connected to four corners of the bottom of the base (1), connecting shafts (502) are fixedly connected to the bottoms of the connecting round tables (501), brake pads (503) are fixedly connected to the sides, away from each other, of the connecting shafts (502), and rollers (504) are rotatably connected to the bottoms of the connecting shafts (502).
  3. 3. The maintenance lifting device according to claim 1, wherein the pushing assembly (406) comprises two pushing pull rings (4061), adjacent pushing pull rings (4061) are fixedly connected to one sides of the two pushing blocks (401) away from each other, and springs (4062) are fixedly connected to bottoms of the two pushing blocks (401).
  4. 4. The maintenance lifting device according to claim 1, wherein the power mechanism (6) comprises a plurality of support platforms (601), bottoms of the support platforms (601) are respectively and fixedly connected to four corners of the top of the base (1), motors (602) are fixedly connected to the tops of the support platforms (601), and gears (603) are rotatably connected to the front sides of the motors (602).
  5. 5. The maintenance lifting device according to claim 4, wherein the rotating mechanism (7) comprises a plurality of vertical guide posts (701), the bottoms of the vertical guide posts (701) are fixedly connected to the top of the base (1), and racks (702) are fixedly connected to the interiors of the vertical guide posts (701).
  6. 6. The maintenance lifting device according to claim 1, wherein the lifting mechanism (8) comprises a plurality of lifting tables (801), adjacent ones of the lifting tables (801) are fixedly connected to front and rear sides of the two bearing plates (3) respectively, a gear two (802) is arranged in the lifting tables (801), and lifting assemblies (803) are arranged between adjacent ones of the gear two (802).
  7. 7. The maintenance lifting device according to claim 6, wherein the lifting assembly (803) comprises a plurality of sliding bars (8031), adjacent sliding bars (8031) are fixedly connected to front and rear sides of the lifting platforms (801) respectively, and two vertical sliding grooves (8032) are formed between adjacent sliding bars (8031).
  8. 8. The maintenance lifting device according to claim 1, wherein the buffer mechanism (9) comprises a maintenance window sill (901), the left side and the right side of the maintenance window sill (901) are fixedly connected between the adjacent two bearing plates (3), a plurality of shock absorption particles (902) are fixedly connected to the top of the maintenance window sill (901), and a buffer pad (903) is fixedly connected to the top of the shock absorption particles (902).

Description

Maintenance lifting device Technical Field The utility model relates to the technical field of mechanical maintenance equipment, in particular to a maintenance lifting device. Background The maintenance lifting device is a mechanism for carrying out vertical lifting adjustment on equipment, components and workpieces, is used for a scene of needing to adjust the operation height in maintenance operation, lifts equipment to be detected to a working position suitable for maintenance by arranging a lifting assembly, and improves operation convenience and operation safety. In the current maintenance work, equipment height need be adjusted according to the operator posture, and traditional fixed platform can't nimble be adjusted, leads to operation fatigue, contact blind area many, and efficiency and security are all limited, and maintenance lifting device can realize accurate lift through controllable structure, and the different working scenario of adaptation is in industrial equipment maintenance, vehicle maintenance, medical instrument debugging field demand is strong. In the maintenance lifting device, a motor-driven screw rod and a hydraulic cylinder structure are adopted as lifting cores, but an electric platform has unexpected sliding risks under power failure and power failure states, the electric platform needs to be continuously supplied with energy to maintain the height, the lifting states cannot realize self-maintenance, electromagnetic braking and a hydraulic lock valve are adopted in the prior art to maintain the high stability, electronic control is relied on, mechanical redundancy protection is lacked, potential safety hazards of locking failure exist under emergency states, response speed seriously depends on electronic elements, and structural safety and reliability under extreme scenes cannot be guaranteed. Disclosure of utility model In order to make up for the defects, the utility model provides a maintenance lifting device, which aims to solve the problem that an electric platform in the prior art cannot be self-maintained in a lifting state due to accidental sliding risks under power failure and power failure states. In order to achieve the aim, the maintenance lifting device comprises a base, wherein the top of the base is fixedly connected with a plurality of telescopic rods, the tops of the telescopic rods are fixedly connected with bearing plates, the left side and the right side of the top of the base are provided with self-locking limiting mechanisms which are used for locking a lifting platform to prevent sliding down, the four corners of the bottom of the base are fixedly connected with moving mechanisms which are used for conveniently using the moving device, buffer mechanisms are arranged between the adjacent two bearing plates, the four corners of the top of the base are respectively provided with a rotating mechanism, one side, far away from each other, of the rotating mechanisms is respectively provided with a power mechanism, and the adjacent parts of the rotating mechanisms are respectively provided with a lifting mechanism; The self-locking limiting mechanism comprises two pushing blocks, wherein the bottoms of the pushing blocks are fixedly connected to the left side and the right side of the top of the base, a clamping buckle is fixedly connected between adjacent pushing blocks, the clamping buckle is fixedly connected with a limiting column in the inner side, two sliding rails are arranged on the top of the base, a plurality of limiting holes are formed in the left side and the right side of the bearing plate, and pushing assemblies are arranged on the two sides, far away from each other, of the pushing blocks. As a further description of the above technical solution: the moving mechanism comprises a plurality of connecting round tables, the tops of the connecting round tables are respectively and fixedly connected to four corners of the bottom of the base, the bottoms of the connecting round tables are fixedly connected with connecting shafts, the bottoms of the connecting shafts are respectively and fixedly connected with brake pads on one sides, away from each other, of the connecting shafts, and the bottoms of the connecting shafts are respectively and rotatably connected with idler wheels. As a further description of the above technical solution: The pushing assembly comprises two pushing pull rings, two pushing pull rings are fixedly connected to one sides, away from each other, of the two pushing blocks respectively between the adjacent pushing pull rings, and springs are fixedly connected to the bottoms of the two pushing blocks respectively. As a further description of the above technical solution: The power mechanism comprises a plurality of supporting tables, the bottoms of the supporting tables are respectively and fixedly connected to four corners of the top of the base, the tops of the supporting tables are fixedly connected with motors, and the front side