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CN-121977043-A - Support shock absorber for tower crane

CN121977043ACN 121977043 ACN121977043 ACN 121977043ACN-121977043-A

Abstract

The invention relates to a bracket shock absorber for a tower crane, which comprises a bottom plate (1), wherein an annular groove is formed in the bottom plate (1), an annular bending ring (1201) is arranged in a metal sleeve (12), the bending ring (1201) is arranged in the annular groove, an elastic wear-resistant layer (5) is arranged on the inner side of the metal sleeve (12) on the bottom plate (1), a conical space is formed in the elastic wear-resistant layer (5), a pressing sleeve (6) is arranged on the upper portion of the elastic wear-resistant layer (5), the metal sleeve (12) further comprises a curved bottom (1201) connected with the bending ring (1201), the curved bottom (1201) is arched upwards on the bottom plate (1) to form an annular cavity, and a shock absorbing mechanism is arranged between the outer wall of the metal sleeve and the elastic wear-resistant layer (5). The device can be applied to a tower crane bracket as a shock absorber.

Inventors

  • RONG YI
  • WU KEMING
  • Jing zengshuai
  • TANG KAI
  • LU PEIPEI
  • CHEN XIAOLIN

Assignees

  • 常州庞源机械工程有限公司

Dates

Publication Date
20260505
Application Date
20250813

Claims (10)

  1. 1. A tower crane bracket shock absorber, comprising: The metal sleeve comprises a bottom plate (1), wherein an annular groove is formed in the bottom plate (1), an annular bending ring (1201) is arranged in the metal sleeve (12), and the bending ring (1201) is arranged in the annular groove; An elastic wear-resistant layer (5) is arranged on the bottom plate (1) and positioned on the inner side of the metal sleeve (12), a conical space is formed inside the elastic wear-resistant layer (5), and a pressing sleeve (6) is arranged on the upper part of the elastic wear-resistant layer (5); The metal sleeve (12) further comprises a curved bottom (1202) connected with the bending ring (1202), the curved bottom (1201) is arched upwards on the bottom plate (1) to form an annular cavity, and the metal sleeve further comprises a metal sleeve outer wall connected with the curved bottom (1202); and a damping mechanism is arranged between the outer wall of the metal sleeve and the elastic wear-resistant layer (5).
  2. 2. The tower crane bracket shock absorber according to claim 1, wherein the pressure sleeve (6) comprises a pressure plate at the upper part and a pressure table at the lower part of the pressure plate, and the pressure table takes the shape of a round table.
  3. 3. The bracket shock absorber for the tower crane according to claim 2, wherein an upper spring groove (4) is formed in the bottom of the pressing table, a lower spring groove (2) is formed in the bottom plate (1) and located on the inner side of the elastic wear-resistant layer (5), and a first spring (3) is arranged between the upper spring groove (4) and the lower spring groove (2).
  4. 4. A tower crane mount shock absorber according to claim 3, wherein the lower part of the upper spring groove (4) is provided with a guide post, the upper part of the lower spring groove (2) is provided with a guide sleeve, and the guide post is at least partially located in the guide sleeve.
  5. 5. The tower crane bracket shock absorber according to claim 1, wherein the shock absorbing mechanism comprises a third rubber layer (11), a second metal plate (10), a second rubber layer (9), a first metal plate (8) and a first rubber layer (7) which are sequentially arranged between the outer wall of the metal sleeve and the elastic wear layer (5).
  6. 6. The bracket shock absorber for the tower crane according to claim 5, wherein a plurality of first partition plates extending into the first rubber layer (7) are arranged on the first metal plate (8) at equal intervals, and a plurality of second partition plates extending into the second rubber layer (9) are arranged on the second metal plate (10) at equal intervals.
  7. 7. The tower crane bracket shock absorber according to claim 6, wherein the first partition plate and the first metal plate (8) have an included angle of 30 ° -60 °, and the second partition plate and the second metal plate (10) have an included angle of 30 ° -60 °.
  8. 8. The bracket shock absorber for the tower crane according to claim 6, wherein a plurality of third partition plates extending into the second rubber layer (9) are arranged on the first metal plate (8) at equal intervals, and a plurality of fourth partition plates extending into the third rubber layer (11) are arranged on the second metal plate (10) at equal intervals.
  9. 9. The tower crane mount shock absorber according to claim 1, wherein a plurality of second springs (14) are provided in the annular cavity in a transition array.
  10. 10. The bracket shock absorber for the tower crane according to claim 2, wherein a plurality of mounting posts (13) are arranged on a pressing plate of the pressing sleeve (6).

Description

Support shock absorber for tower crane Technical Field The invention relates to a shock absorber, in particular to a bracket shock absorber for a tower crane. Background The tower crane (tower crane) is called a tower crane for short, and is also called a tower crane. And the movable arm is arranged on the rotary crane at the upper part of the high-rise tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in house building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base and the like. The working mechanism comprises four parts of lifting, amplitude changing, rotation and walking. The electrical system comprises a motor, a controller, a power distribution cabinet, a connecting line, a signal and lighting device and the like. Generally, a tower crane comprises a plurality of base members connected by steel structural members, such as standard joints, the standard joints are connected with a tower crane base, the standard joints and the tower crane base are connected by connecting brackets, a damping base is usually arranged on the brackets in the prior art, for example, four damping pads are arranged on the connecting brackets by CN216072795U, but the damping pads are only damped by vulcanized rubber arranged inside, so that the damping effect is weak, and the damping effect is poor in a working environment with larger vibration. Disclosure of Invention In order to solve the technical problems, the invention aims to provide the bracket shock absorber for the tower crane, which has good shock absorbing effect. The technical scheme of the invention is as follows: a tower crane bracket shock absorber, comprising: The metal sleeve comprises a bottom plate (1), wherein an annular groove is formed in the bottom plate (1), an annular bending ring (1201) is arranged in the metal sleeve (12), and the bending ring (1201) is arranged in the annular groove; An elastic wear-resistant layer (5) is arranged on the bottom plate (1) and positioned on the inner side of the metal sleeve (12), a conical space is formed inside the elastic wear-resistant layer (5), and a pressing sleeve (6) is arranged on the upper part of the elastic wear-resistant layer (5); The metal sleeve (12) further comprises a curved bottom (1202) connected with the bending ring (1201), the curved bottom (1202) is arched upwards on the bottom plate (1) to form an annular cavity, and the metal sleeve further comprises a metal sleeve outer wall connected with the curved bottom (1202); and a damping mechanism is arranged between the outer wall of the metal sleeve and the elastic wear-resistant layer (5). Further, the pressing sleeve (6) comprises a pressing plate on the upper part and a pressing table positioned on the lower part of the pressing plate, and the pressing table is in a round table shape. Further, an upper spring groove (4) is formed in the bottom of the pressing table, a lower spring groove (2) is formed in the inner side of the elastic wear-resistant layer (5) on the bottom plate (1), and a first spring (3) is arranged between the upper spring groove (4) and the lower spring groove (2). Further, a guide post is arranged at the lower part of the upper spring groove (4), a guide sleeve is arranged at the upper part of the lower spring groove (2), and the guide post is at least partially positioned in the guide sleeve. Further, the damping mechanism comprises a third rubber layer (11), a second metal plate (10), a second rubber layer (9), a first metal plate (8) and a first rubber layer (7) which are sequentially arranged between the outer wall of the metal sleeve and the elastic wear-resistant layer (5). Further, a plurality of first partition plates extending into the first rubber layer (7) are arranged on the first metal plate (8) at equal intervals, and a plurality of second partition plates extending into the second rubber layer (9) are arranged on the second metal plate (10) at equal intervals. Further, the included angle between the first partition plate and the first metal plate (8) is 30-60 degrees, and the included angle between the second partition plate and the second metal plate (10) is 30-60 degrees. Further, a plurality of third partition plates extending into the second rubber layer (9) are arranged on the first metal plate (8) at equal intervals, and a plurality of fourth partition plates extending into the third rubber layer (11) are arranged on the second metal plate (10) at equal intervals. Further, a plurality of second springs (14) are disposed in the annular cavity in a transition array. Further, a plurality of mounting columns (13) are arranged on the pressing plate of the pressing sleeve (6). By means of the scheme, the invention has at least the following advantages: the four-stage energy consumptio