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CN-121989021-A - Bridge crane plate hook dismantling device and method

CN121989021ACN 121989021 ACN121989021 ACN 121989021ACN-121989021-A

Abstract

The invention relates to a detaching device for a plate hook of a bridge crane, which comprises a plate hook fixing frame and a plate hook pin shaft arranged in the plate hook fixing frame, wherein the detaching device comprises a moving vehicle mechanism and a detaching mechanism arranged on the moving vehicle mechanism, the detaching mechanism comprises a pushing structure, an adjustable holding claw, a power source assembly and a lifting structure, the lifting structure is arranged on the moving vehicle mechanism and can move up and down relative to the moving vehicle mechanism, the pushing structure and the adjustable holding claw are both arranged on the lifting structure, the pushing structure comprises a pushing head and a hydraulic cylinder, the pushing head is fixedly connected with one end of the hydraulic cylinder, the hydraulic cylinder is connected with the power source assembly, and the adjustable holding claw can clamp the plate hook fixing frame.

Inventors

  • WANG JIAN
  • SHI XIUFENG

Assignees

  • 中冶宝钢技术服务有限公司

Dates

Publication Date
20260508
Application Date
20241106

Claims (6)

  1. 1. The plate hook dismantling device for the bridge crane plate hook comprises a plate hook fixing frame (3) and a plate hook pin shaft (4) arranged in the plate hook fixing frame (3), and is characterized by comprising a moving vehicle mechanism (1) and a dismantling mechanism (2) arranged on the moving vehicle mechanism (1), wherein the dismantling mechanism (2) comprises a pushing structure (201), an adjustable holding claw (202), a power source assembly (203) and a lifting structure (204), the lifting structure (204) is arranged on the moving vehicle mechanism (1) and can move up and down relative to the moving vehicle mechanism (1), the pushing structure (201) and the adjustable holding claw (202) are arranged on the lifting structure (204), the pushing structure (201) comprises a pushing head (210) and a pushing hydraulic cylinder (211), the pushing head (210) is fixedly connected to one end of the pushing hydraulic cylinder (211), the pushing hydraulic cylinder (211) is connected with the power source assembly (203), and the adjustable holding claw (202) can clamp the plate hook (3).
  2. 2. The bridge crane plate hook removing device according to claim 1, wherein the lifting structure (204) comprises a lifting hydraulic cylinder (240), a lifting guide rail group and a lifting sliding table (242), the lifting guide rail group comprises two lifting guide rails (241) which are oppositely arranged, the two lifting guide rails (241) are fixedly arranged on two sides of the moving car mechanism (1) respectively, two sides of the lifting sliding table (242) are arranged in the two lifting guide rails (241) respectively, the lifting sliding table (242) can move up and down relative to the moving car mechanism (1), one end of the lifting hydraulic cylinder (240) is fixedly connected to the moving car mechanism (1), the other end of the lifting hydraulic cylinder (240) is fixedly connected with the lifting sliding table (242), the lifting hydraulic cylinder (240) is connected with the power source assembly (203), and the pushing structure (201) and the adjustable holding claw (202) are arranged on the lifting sliding table (242).
  3. 3. The bridge crane plate hook dismantling device according to claim 2, wherein the adjustable holding claw (202) comprises a left holding claw (220), a right holding claw (221) and bolts, the left holding claw (220) and the right holding claw (221) are fixedly connected to a lifting sliding table (242) through bolts, mounting grooves are formed in the lifting sliding table (242), mounting holes are formed in the left holding claw (220) and the right holding claw (221), and the bolts penetrate through the mounting holes and are fixed in the mounting grooves.
  4. 4. The bridge crane plate hook dismounting device according to claim 1, wherein the travelling car mechanism (1) is provided with universal wheels (101) and locking assemblies for locking the universal wheels (101), and the universal wheels (101) and the locking assemblies are respectively provided with four.
  5. 5. The bridge crane plate hook removing device according to claim 1, wherein the moving vehicle mechanism (1) is provided with a handrail (102).
  6. 6. A method for dismantling a bridge crane plate hook is characterized in that the bridge crane plate hook dismantling device is used, and the method comprises the following steps: s1, pushing a dismantling device to the side of a bridge crane plate hook to be dismantled through a moving vehicle mechanism (1); S2, adjusting the positions of the pushing structure (201) and the adjustable holding claw (202) by operating the moving vehicle mechanism (1) and the lifting structure (204) so that the axis of the pushing hydraulic cylinder (211) is overlapped with the axis of the hook pin shaft (4); S3, operating the adjustable holding claw (202) to clamp the plate hook fixing frame (3); s4, starting the power source assembly (203) to provide power for the pushing structure (201), so that the pushing hydraulic cylinder (211) drives the pushing head (210) to continuously push the plate hook pin shaft (4) until the plate hook pin shaft (4) is completely separated from the plate hook fixing frame (3).

Description

Bridge crane plate hook dismantling device and method Technical Field The invention relates to the technical field of maintenance of metallurgical mechanical equipment, in particular to a bridge crane plate hook dismantling device and method. Background Bridge cranes are widely applied in steel plants, and have the main function of lifting various production materials and equipment in the plants. The gantry hook is one of important parts of the bridge crane, and after a certain period of use, the plate hook in the gantry hook needs to be removed and replaced regularly according to the abrasion condition of the plate hook. The plate hook comprises a plate hook fixing frame and a plate hook pin shaft arranged in the plate hook fixing frame, wherein the plate hook fixing frame and the plate hook pin shaft are in interference fit, and when the plate hook is dismounted, the plate hook pin shaft is required to be dismounted from the plate hook fixing frame. The traditional dismantling mode needs a plurality of workers to lift up the free hammer jointly and strike the plate hook pin shaft back and forth, under the continuous striking of the free hammer, the plate hook pin shaft is slowly separated from the plate hook fixing frame, the traditional dismantling mode completely depends on manpower, the labor intensity is high, the operation efficiency is low, the whole dismantling process needs to waste extremely long time, and the workers are easy to be injured when using the free hammer to strike the plate hook pin shaft, and safety risks exist. Disclosure of Invention In view of the above-mentioned drawbacks of the prior art, the present invention provides a device and a method for removing a plate hook of a bridge crane, which can remove a plate hook pin shaft from a plate hook fixing frame efficiently, safely and with high quality, and can greatly improve the working efficiency. In order to achieve the above purpose, the invention provides a detaching device for a plate hook of a bridge crane, wherein the plate hook comprises a plate hook fixing frame and a plate hook pin shaft arranged in the plate hook fixing frame, the detaching device comprises a moving vehicle mechanism and a detaching mechanism arranged on the moving vehicle mechanism, the detaching mechanism comprises a pushing structure, an adjustable holding claw, a power source assembly and a lifting structure, the lifting structure is arranged on the moving vehicle mechanism and can move up and down relative to the moving vehicle mechanism, the pushing structure and the adjustable holding claw are both arranged on the lifting structure, the pushing structure comprises a pushing head and a hydraulic cylinder, the pushing head is fixedly connected to one end of the hydraulic cylinder, the hydraulic cylinder is connected with the power source assembly, and the adjustable holding claw can clamp the plate hook fixing frame. Further, the elevation structure includes lift pneumatic cylinder, lift guide group and lift slip table, the lift guide group includes two lift guide that set up relatively to two lift guide are fixed respectively and are set up in the both sides of locomotive mechanism, the both sides of lift slip table set up respectively in two lift guide, and the lift slip table can reciprocate for locomotive mechanism, the one end fixed connection of lift pneumatic cylinder is on locomotive mechanism, the other end and lift slip table fixed connection, and the lift pneumatic cylinder is connected with the power supply subassembly, push structure and adjustable holding claw all set up on the lift slip table. Further, the adjustable holding claw comprises a left holding claw, a right holding claw and a bolt, the left holding claw and the right holding claw are fixedly connected to the lifting sliding table through bolts, the lifting sliding table is provided with a mounting groove, the left holding claw and the right holding claw are provided with mounting holes, and the bolts penetrate through the mounting holes and are fixed in the mounting groove. Further, the mobile vehicle mechanism is provided with universal wheels and locking assemblies for locking the universal wheels, and the universal wheels and the locking assemblies are all provided with four. Further, the moving vehicle mechanism is provided with an armrest. The invention also discloses a dismantling method of the bridge crane plate hook, which is carried out by using the dismantling device, and comprises the following steps: s1, pushing a dismantling device to the side of a bridge crane plate hook to be dismantled through a moving vehicle mechanism; S2, adjusting the pushing structure and the position of the adjustable holding claw through operating the moving vehicle mechanism and the lifting structure, so that the axis of the pushing hydraulic cylinder is overlapped with the axis of the plate hook pin shaft; S3, operating an adjustable claw-holding clamping plate hook fixing frame; s4,