Auxiliary dismounting tool for U-shaped ring of monorail crane

Abstract

The utility model relates to the technical field of monorail crane beam part dismantling, in particular to an auxiliary dismantling tool for a monorail crane U-shaped ring. When the auxiliary dismounting tool disclosed by the utility model is used, the telescopic rod is adjusted to a required length, an operator holds the lower end of the telescopic rod on the ground of a roadway, the main ring hook at the top penetrates through a chain link connected with a U-shaped ring of the monorail crane, the position of the adjusting tool is rotated, so that the main ring hook stably hooks the chain link, and then the lower part of the telescopic rod is connected with a pneumatic wrench; the telescopic rod and the main ring hook are driven to rotate through the pneumatic wrench, so that the chain link is driven to rotate, the monorail crane U-shaped ring is driven to rotate through rotation of the chain link, and therefore the monorail crane U-shaped ring is screwed off from an anchor rod, and the monorail crane U-shaped ring can be rapidly disassembled. By means of the auxiliary dismounting tool, the dismounting efficiency can be greatly improved, and meanwhile potential safety hazards of climbing operation are avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of monorail crane beam part dismantling, in particular to an auxiliary dismantling tool for monorail crane U-shaped ring. BACKGROUND

[0002] In coal mine production, as an important auxiliary transport equipment, monorail crane is hoisted on the top of coal mine roadway through anchor rod and chain, and serves as track bearing transport vehicle walking, monorail crane installation and dismantling operation is very important for normal production of coal mine. However, the current monorail crane dismantling operation on the coal mine transport road is faced with many problems. On the one hand, anchor rod and chain are connected through monorail crane U-shaped ring, when dismantling, monorail crane, chain and monorail crane U-shaped ring need to be dismantled in turn, this process needs two people to climb and operate, and monorail crane U-shaped ring is manually unscrewed, which is extremely low in efficiency and has safety hazards; on the other hand, the humid environment of coal mine easily causes rusting of the connection position of monorail crane U-shaped ring and anchor rod, which is not easy to loosen and is difficult to manually unscrew. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at solving the problems of difficult dismantling, low efficiency and safety hazards of monorail crane U-shaped ring, and provides an auxiliary dismantling tool which can reduce climbing hazards and improve efficiency.

[0004] The utility model solves the problem, adopts the technical scheme of:

[0005] An auxiliary dismantling tool for monorail crane U-shaped ring, comprising a telescopic rod and a main ring hook, the main ring hook is arranged at the top of the telescopic rod, the main ring hook is arranged perpendicularly to the axis of the telescopic rod, the main ring hook is used for hooking on the chain link connected by the monorail crane U-shaped ring, and the lower part of the telescopic rod is used for connecting a pneumatic wrench.

[0006] The utility model adopting the above technical scheme has the beneficial effects compared with the prior art:

[0007] Through the auxiliary dismantling tool of the utility model, the telescopic rod is adjusted to the required length during use, the operator holds the lower end of the telescopic rod on the ground of the roadway, the main ring hook at the top is passed through the chain link connected by the monorail crane U-shaped ring, the position of the tool is adjusted by rotating, the main ring hook is stably hooked on the chain link, then the lower part of the telescopic rod is connected with the pneumatic wrench, the telescopic rod and the main ring hook are driven to rotate through the pneumatic wrench, thereby driving the chain link to rotate, the monorail crane U-shaped ring is driven to rotate through the rotation of the chain link, so that the monorail crane U-shaped ring is unscrewed from the anchor rod, and the monorail crane U-shaped ring can be quickly dismantled; the auxiliary dismantling tool of the utility model can greatly improve the dismantling efficiency, and the safety hazards of climbing operation are avoided.

[0008] As a preferred embodiment, the utility model further has the technical scheme of:

[0009] The telescopic rod below the main ring hook is further provided with an auxiliary ring hook, when the main ring hook is hooked on the chain link connected by the monorail U-shaped ring, the auxiliary ring hook is buckled on another chain link below, the auxiliary ring hook assists the main ring hook to fix the chain link, when the telescopic rod rotates, the auxiliary ring hook and the main ring hook drive two chain links to rotate simultaneously, so that the main hook ring is not easy to unhook.

[0010] The telescopic rod comprises an upper supporting rod and a lower sleeve, the upper supporting rod is movably inserted in the lower sleeve, and the main ring hook is fixed on the upper supporting rod, the height of the main ring hook and the auxiliary ring hook is adjustable through the matched insertion relationship between the upper supporting rod and the lower sleeve.

[0011] A plurality of through holes are formed in the front and rear side walls of the lower sleeve along the length direction, and spring pins are vertically fixed on the bottom front and rear side walls of the upper supporting rod, and the pin shafts of the spring pins are popped out from the corresponding through holes, so that the telescopic amount of the telescopic rod is fixed.

[0012] The bottom of the lower sleeve is provided with a connecting portion, a square hole is formed in the connecting portion, and the square hole is used for inserting a square head of a pneumatic wrench. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a schematic diagram of the use state of the auxiliary dismounting tool of the present application;

[0014] Fig. 2 is a schematic diagram of the structure of the auxiliary dismounting tool of the present application;

[0015] Fig. 3 is another perspective view of the structure of the auxiliary dismounting tool of the present application;

[0016] In the figure: 1, connecting portion; 11, square hole; 2, lower sleeve; 21, spring pin; 3, upper supporting rod; 4, auxiliary ring hook; 5, main ring hook; 6, chain link; 7, monorail U-shaped ring; 71, threaded sleeve; 8, anchor rod. DETAILED DESCRIPTION

[0017] The present application will be further described below in conjunction with the embodiments, and the purpose is only to better understand the content of the present application, therefore, the examples do not limit the protection scope of the present application.

[0018] Referring to Figs. 1-3 The embodiment of the present application discloses an auxiliary dismounting tool for a monorail U-shaped ring, which comprises a telescopic rod and a main ring hook 5, the main ring hook 5 is U-shaped, one end of the main ring hook 5 is welded and fixed at the middle position of the top of the telescopic rod, and the main ring hook 5 is vertically arranged with the axis of the telescopic rod, when the telescopic rod is vertically placed, the main ring hook 5 is parallel to the horizontal plane, the main ring hook 5 is used for being hooked on the second chain link 6 below connected by the monorail U-shaped ring 7, and the lower part of the telescopic rod is used for connecting a pneumatic wrench.

[0019] In the embodiment, the auxiliary ring hook 4 is also arranged on the telescopic rod below the main ring hook 5, specifically, the auxiliary ring hook 4 is also arranged on the vertical telescopic rod, one end of the auxiliary ring hook 4 is welded and fixed on the top side wall of the telescopic rod, the distance between the other end of the auxiliary ring hook 4 and the telescopic rod is greater than the outer width of the chain link 6, the inner length of the auxiliary ring hook 4 is greater than the outer width of the chain link 6 by 10-20 mm, and the inner width of the auxiliary ring hook 4 is less than the outer width of the chain link 6, so that the chain link 6 can smoothly enter the auxiliary ring hook 4, and the chain link 6 is clamped in the auxiliary ring hook 4 due to the fact that the inner width of the auxiliary ring hook 4 is less than the outer width of the chain link 6, when the main ring hook 5 is hooked on the chain link 6 connected by the monorail crane U-shaped ring 7, the auxiliary ring hook 4 is wrapped around the third chain link 6 below the monorail crane U-shaped ring 7. The auxiliary ring hook 4 assists the main ring hook 5 in fixing the chain link 6, when the telescopic rod rotates, the auxiliary ring hook 4 and the main ring hook 5 rotate together to rotate two chain links 6, so that the main hook ring 5 is not easy to be unhooked when rotating.

[0020] In the embodiment, the telescopic rod comprises an upper supporting rod 3 and a lower sleeve 2, the upper supporting rod 3 is movably inserted into the lower sleeve 2, and the main ring hook 5 is fixed on the upper supporting rod 3; a plurality of through holes are formed in the front side wall and the rear side wall of the lower sleeve 2 along the length direction, the through holes are arranged at equal intervals, spring pins 21 are vertically fixed on the bottom front side wall and the bottom rear side wall of the upper supporting rod, and the pin shafts of the spring pins 21 are popped out of the through holes under the action of springs, so as to fix the position of the upper supporting rod 3, the total length of the telescopic rod is adjusted by adjusting the through holes from which the pin shafts are popped out, and the height of the main ring hook 5 and the auxiliary ring hook 4 is adjusted.

[0021] In the embodiment, the lower sleeve 2 is fixed with a connecting part 1, preferably, the connecting part 1 is a pneumatic sleeve head matched with a pneumatic wrench, and a square hole 11 is formed in the connecting part 1, which is used for inserting the square head of the pneumatic wrench.

[0022] By using the auxiliary dismounting tool, the telescopic rod is adjusted to the required length, the operator holds the lower end of the telescopic rod on the roadway ground, the main ring hook 5 at the top is passed through the chain link 6 connected by the monorail crane U-shaped ring 7, the position of the adjusting tool is adjusted to make the main ring hook 5 stably hook the chain link 6, then the lower part of the telescopic rod is connected with the pneumatic wrench, the telescopic rod and the main ring hook 5 are rotated by the pneumatic wrench, so as to rotate the chain link 6, the monorail crane U-shaped ring 7 is rotated by the rotation of the chain link 6, and the threaded sleeve 71 at the upper end of the monorail crane U-shaped ring 7 is screwed off the anchor rod 8, so that the monorail crane U-shaped ring 7 can be quickly dismounted; by using the auxiliary dismounting tool, the dismounting efficiency can be greatly improved, and the safety hazard of climbing operation is avoided.

[0023] The above merely describes the preferred and feasible embodiments of the present application, and is not intended to limit the scope of the present application, and any equivalent changes made according to the content of the present application and the drawings are included in the scope of the present application.

Claims

1. An auxiliary dismounting tool for a monorail hoist U-ring, characterized in that: The telescopic rod and the main hook are provided, the main hook is arranged at the top of the telescopic rod, the main hook is arranged perpendicularly to the axis of the telescopic rod, the main hook is used for hooking on the chain link connected by the U-shaped ring of the monorail crane, and the lower part of the telescopic rod is used for connecting the pneumatic wrench.

2. The auxiliary dismounting tool for a monorail hoist U-ring according to claim 1, characterized in that: The telescopic rod below the main hook is further provided with an auxiliary hook, when the main hook is hooked on the chain link connected by the U-shaped ring of the monorail crane, the auxiliary hook is hooked on another chain link below.

3. The supplemental tool for disassembly of a monorail hoist U-ring according to claim 1, wherein: The telescopic rod comprises an upper supporting rod and a lower sleeve, the upper supporting rod is movably inserted into the lower sleeve, and the main hook is fixed on the upper supporting rod.

4. The auxiliary dismounting tool for a monorail hoist U-ring according to claim 3, characterized in that: A plurality of through holes are formed on the front side wall and the rear side wall of the lower sleeve along the length direction, spring pins are vertically fixed on the bottom front side wall and the bottom rear side wall of the upper supporting rod, and the pin shafts of the spring pins are popped out from the corresponding through holes.

5. The supplemental de-installation tool for a monorail hanger U-ring according to claim 1, wherein: The bottom of the lower sleeve is provided with a connecting part, a square hole is formed in the connecting part, and the square hole is used for inserting the square head of the pneumatic wrench.

Images