CN218534383U - Quick dismounting device of rack - Google Patents
Quick dismounting device of rack Download PDFInfo
- Publication number
- CN218534383U CN218534383U CN202120865711.0U CN202120865711U CN218534383U CN 218534383 U CN218534383 U CN 218534383U CN 202120865711 U CN202120865711 U CN 202120865711U CN 218534383 U CN218534383 U CN 218534383U
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- CN
- China
- Prior art keywords
- rack
- working panel
- threaded holes
- dismounting device
- dismounting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a quick dismounting device of rack, its characterized in that: the working panel (1) is supported and fixed by the supporting plates (2) on two sides below the working panel, two threaded holes (3) are formed in the working panel (1), and the screw rods (4) penetrate into the threaded holes in the racks (6) from the threaded holes (3) to fix the dismounting device with the chain wheel shaft (7). The working panel is used as a counterforce supporting point for dismounting the rack, the rack can be quickly dismounted, the operation is simple, time and labor are saved, the key groove on the chain wheel shaft is prevented from being damaged, a large amount of complicated dismounting and mounting work is omitted, and the coal mining cost is reduced.
Description
Technical Field
The utility model belongs to the technical equipment field of colliery machinery, concretely relates to quick dismounting device of rack.
Background
The service life of a sprocket shaft group for a coal mine underground conveyor is a key influencing coal mining efficiency, sprocket teeth and racks of the sprocket shaft group are in an easily-worn working condition and must be replaced in time after being worn seriously, each sprocket has 7-8 teeth, the number of the teeth is large, the weight of the teeth is more than 40kg, and the racks are assembled with key grooves on a sprocket shaft group shaft in a transition fit mode through two parallel long side surfaces at the bottom of the racks. The rack is generally disassembled underground in a coal mine, the underground environment condition is severe, after the shaft set runs for a period of time, the matching surfaces of the rack and the shaft are adhered together due to corrosion, and the disassembling difficulty of the sprocket and the rack is greatly enhanced. Adopt the bar copper hammering to assist the mode of crow bar and dismantle at the routine maintenance in-process, and very easily cause epaxial keyway to damage to cause whole axle group to rise well maintenance, waste time and energy moreover, seriously influence production efficiency.
Disclosure of Invention
The utility model aims at overcoming prior art's defect, providing a quick dismounting device of rack to the problem that exists among the prior art has effectively been solved.
The utility model adopts the technical proposal that: the utility model provides a quick dismounting device of rack which characterized in that: the working panel is supported and fixed by the supporting plates at two sides below the working panel, two threaded holes are formed in the working panel, and the screw penetrates into the threaded holes in the rack from the threaded holes to fix the dismounting device with the chain wheel shaft.
The bottom surface of the supporting plate is a curved surface, and the curvature radius of the curved surface is equivalent to that of the sprocket shaft.
The threaded holes correspond to the threaded holes in the rack and are the same in size.
The beneficial effects of the invention are: the working panel is used as a counterforce supporting point for dismounting the rack, the rack can be quickly dismounted, the operation is simple, time and labor are saved, the key groove on the chain wheel shaft is prevented from being damaged, a large amount of complicated dismounting and mounting work is omitted, the coal mining cost is reduced, and the economic benefit is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the present invention;
in the figure: 1-a working panel, 2-a supporting plate, 3-a threaded hole, 4-a screw rod, 5-a nut, 6-a rack and 7-a sprocket shaft.
Detailed Description
The bottom surface of the supporting plate 2 is a curved surface, and the curvature radius of the curved surface is equivalent to that of the chain wheel shaft 7.
The threaded hole 3 corresponds to a threaded hole in the rack 6 and has the same size.
The using method comprises the following steps: firstly, a screw rod 4 penetrates into a threaded hole 3, after the screw rod is aligned with a corresponding threaded hole on a rack 6, the position of a support plate 2 is adjusted, the support plate 2 is stably placed on a chain wheel shaft 7, and then a nut 5 is screwed down, so that the dismounting device is fixed with the chain wheel shaft 7; and the nut 5 is continuously screwed, and the rack 6 is rapidly withdrawn through the counterforce.
Claims (3)
1. The utility model provides a quick dismounting device of rack which characterized in that: the working panel (1) is supported and fixed by the supporting plates (2) on two sides below the working panel, two threaded holes (3) are formed in the working panel (1), and the screw rods (4) penetrate into the threaded holes in the racks (6) from the threaded holes (3) to fix the dismounting device with the chain wheel shaft (7).
2. A rack quick-release device as claimed in claim 1, wherein: the bottom surface of the supporting plate (2) is a curved surface, and the curvature radius of the curved surface is equivalent to that of the sprocket shaft (7).
3. A rack quick-release device as claimed in claim 1, wherein: the threaded hole (3) corresponds to the threaded hole in the rack (6) and has the same size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120865711.0U CN218534383U (en) | 2021-04-26 | 2021-04-26 | Quick dismounting device of rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120865711.0U CN218534383U (en) | 2021-04-26 | 2021-04-26 | Quick dismounting device of rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218534383U true CN218534383U (en) | 2023-02-28 |
Family
ID=85258448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120865711.0U Active CN218534383U (en) | 2021-04-26 | 2021-04-26 | Quick dismounting device of rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218534383U (en) |
-
2021
- 2021-04-26 CN CN202120865711.0U patent/CN218534383U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |