CN216190883U - Liftable maintenance platform in elevator skip - Google Patents
Liftable maintenance platform in elevator skip Download PDFInfo
- Publication number
- CN216190883U CN216190883U CN202122538795.XU CN202122538795U CN216190883U CN 216190883 U CN216190883 U CN 216190883U CN 202122538795 U CN202122538795 U CN 202122538795U CN 216190883 U CN216190883 U CN 216190883U
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- Prior art keywords
- pulley block
- skip
- roller
- steel wire
- fixed pulleys
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- 238000012423 maintenance Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 239000003245 coal Substances 0.000 abstract description 8
- 230000003028 elevating effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a liftable maintenance platform in a skip of a hoist, belonging to the technical field of coal mine vertical shaft hoists; the lifting device is fixedly arranged at the top of a passenger carrying position of a skip of the lifting machine and comprises a lifting platform, a first pulley block, a second pulley block, a roller and a hand winch; the lifting platform is horizontally arranged inside the skip, the first pulley block, the second pulley block and the roller are sequentially arranged at the top of the skip side by side at intervals, two fixed pulleys are arranged on the two pulley blocks, two driven rotating positions are symmetrically arranged at two ends of the roller respectively, a driving rotating position is further arranged at the end part of the roller, the hand winch is fixedly arranged on the side vertical surface of the elevator skip passenger position, and two ends of the driving steel wire rope are fixedly wound on the hand winch and the driving rotating positions respectively; one ends of four driven steel wire ropes are respectively and fixedly wound on the driven rotating positions, and the other ends of the four driven steel wire ropes are respectively and fixedly connected with the lifting platform through the turning of four fixed pulleys; the problem of efficiency low when the current skip liner plate of the elevator is inspected or replaced is solved.
Description
Technical Field
The utility model belongs to the technical field of coal mine vertical shaft hoists, and particularly relates to a liftable maintenance platform in a hoist skip.
Background
The coal mine vertical shaft elevator is responsible for the raw coal lifting task of a coal mine. In the process of lifting raw coal, the skip is continuously impacted and rubbed by the raw coal and gangue, and the abrasion speed of the lining plate in the skip is very high, so the lining plate of the skip of the lifter must be regularly checked and replaced.
The skip of the coal mine vertical shaft elevator has the net depth of about 10 meters, and when a skip lining plate is inspected or replaced in the prior art, a crawling ladder needs to be erected inside the skip for inspecting or replacing the lining plate; if the mounting position of the replaced lining plate is higher, a bracket needs to be welded in the skip bucket, and a temporary operation platform needs to be built for construction. This results in waste of materials, an adverse effect on work efficiency, and a danger to workers during site work. In order to improve the efficiency of overhauling the skip of the elevator, a set of liftable overhauling operation platform needs to be arranged at the top of the passenger carrying position of the skip of the elevator.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides a liftable maintenance platform in a lifting machine skip; the problem of low efficiency when the skip liner plate of the elevator is inspected or replaced at present is solved.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
A liftable maintenance platform in a hoisting machine skip is fixedly arranged at the top of a passenger seat of the hoisting machine skip and comprises a lifting platform, a first pulley block, a second pulley block, a roller, a hand winch and a steel wire rope;
the lifting platform is horizontally arranged inside the skip, the first pulley block, the second pulley block and the roller are sequentially arranged at the top of the skip side by side at intervals, the first pulley block and the second pulley block are respectively provided with two fixed pulleys, two ends of the roller are respectively symmetrically provided with two driven rotating positions, the end part of the roller is also provided with a driving rotating position, the hand winch is fixedly arranged on a side vertical surface of a passenger carrying position of the elevator skip, the steel wire rope comprises a driving steel wire rope and four driven steel wire ropes, and two ends of the driving steel wire rope are respectively and fixedly wound on the hand winch and the driving rotating positions; one ends of the four driven steel wire ropes are respectively and fixedly wound on the driven rotating positions on the roller, and the other ends of the four driven steel wire ropes are respectively and fixedly connected with the lifting platform through the turning of the four fixed pulleys.
Furthermore, the overall dimension of the lifting platform is slightly smaller than the cross section of the skip.
Furthermore, the first pulley block and the second pulley block both comprise a base and two fixed pulleys, the base is of a long strip-shaped plate-shaped structure, and the two fixed pulleys are symmetrically arranged at two ends of the lower end face of the base respectively.
Furthermore, the rotating shaft of the roller is parallel to the bases of the first pulley block and the second pulley block, and the height of the roller is lower than that of the first pulley block and the second pulley block.
Further, the distance between the two fixed pulleys of the first pulley block is smaller than the distance between the two fixed pulleys of the second pulley block.
Furthermore, in the length direction of the rotating shaft along the roller, two driven rotating positions on the outer side correspond to two fixed pulleys of the second pulley block respectively, and two driven rotating positions on the inner side correspond to two fixed pulleys of the first pulley block respectively.
Furthermore, the lifting platform is positioned below the first pulley block and the second pulley block, and a fixed hook is correspondingly arranged below the two fixed pulleys of the first pulley block and below the two fixed pulleys of the second pulley block respectively.
Furthermore, one end of each of the two driven steel wire ropes is fixedly wound on the driven rotating positions on the two inner sides of the roller respectively, and the other end of each of the two driven steel wire ropes is connected with two fixed hooks on the lifting platform below the first pulley block through the turning of the two fixed pulleys of the first pulley block.
Furthermore, one end of the other two driven steel wire ropes is respectively and fixedly wound on the driven rotating positions on the two outer sides of the roller, and the other end of the other two driven steel wire ropes is connected with two fixed hooks on the lifting platform below the second pulley block through the direction change of the two fixed pulleys of the second pulley block.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the liftable maintenance platform in the elevator skip can reduce material loss, and the maintenance platform is put into use once and can be reused for many times, so that the material waste is reduced.
(2) The liftable maintenance platform in the elevator skip can improve the efficiency of maintenance operation, when a lining plate at a higher position of the skip is replaced, the maintenance operation needs at least 40 minutes by only erecting the operation platform, and when the liftable operation platform is adopted, the platform can be fixed within about 10 minutes; after the operation is finished, the time of about 40 minutes is needed for dismounting the temporary operation platform, but the maintenance platform provided by the utility model can be folded and fixed in place within 10 minutes, and the dismounting is not needed, the lifting and fixing are only needed, the efficiency is greatly improved, and the time wasted in dismounting every time is saved.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of the construction of the drum according to the present invention;
wherein, 1 is a lifting platform, 2 is a first pulley block, 3 is a second pulley block, 4 is a base, 5 is a fixed pulley, 6 is a roller, 7 is a driven rotation position, 8 is a driving rotation position, 9 is a hand winch, 10 is a driving steel wire rope, and 11 is a driven steel wire rope.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1-2, the utility model provides a liftable maintenance platform inside a hoist skip, which is fixedly arranged at the top of a passenger seat of the hoist skip and comprises a lifting platform 1, a first pulley block 2, a second pulley block 3, a roller 6, a hand winch 9 and a steel wire rope.
The elevating platform 1 is horizontally arranged inside the skip, the overall dimension of the elevating platform is slightly smaller than the cross section of the skip, and the elevating platform can move up and down inside the skip without hindrance.
The first pulley block 2 and the second pulley block 3 both comprise a base 4 and two fixed pulleys 5, the base 4 is of a long strip-shaped plate-shaped structure, and the two fixed pulleys 5 are symmetrically arranged at two ends of the lower end face of the base 4 respectively.
The upper end faces of the bases of the first pulley block 2 and the second pulley block 3 are fixedly connected to the top of the skip, and the first pulley block and the second pulley block are arranged side by side at intervals and are parallel to each other. The distance between two fixed pulleys 5 of the first pulley block 2 is smaller than the distance between two fixed pulleys 5 of the second pulley block 3.
The roller 6 is rotatably arranged at the top of the skip and is positioned on one side of the second pulley block 3 away from the first pulley block 2. The rotating shaft of the roller 6 is parallel to the bases 4 of the first pulley block 2 and the second pulley block 3, and the height of the roller 6 is lower than that of the first pulley block 2 and the second pulley block 3. Two driven rotating positions 7 are symmetrically arranged at two ends of the roller 6 respectively, and disc-shaped baffles are arranged at two ends of each driven rotating position 7. In the length direction along the rotation axis of the drum 6, the two outer driven rotation positions 7 correspond to the two fixed pulleys 5 of the second pulley block 3, respectively, and the two inner driven rotation positions 7 correspond to the two fixed pulleys 5 of the first pulley block 2, respectively. The end part of one end of the roller 6 is also provided with a driving rotating position 8, and the driving rotating position 8 is positioned at the outer end of a driven rotating position 7 at the outer side of the roller 6.
The hand winch 9 is fixedly arranged on the side vertical face of the elevator skip passenger position, bidirectional self-locking can be realized, and the hand winch 9 corresponds to the driving rotation position 8 of the roller 6 in the length direction of the rotating shaft of the roller 6.
The lifting platform 1 is positioned below the first pulley block 2 and the second pulley block 3, and a fixed hook is correspondingly arranged below the two fixed pulleys 5 of the first pulley block 2 and below the two fixed pulleys 5 of the second pulley block 3 respectively.
The steel wire ropes comprise a driving steel wire rope 10 and four driven steel wire ropes 11. One end of the driving steel wire rope 10 is fixedly wound on the manual winch 9, and the other end is fixedly wound on the driving rotation position 8 of the roller 6. One end of each of the two driven steel wire ropes 11 is fixedly wound on the driven rotating positions 7 on the two inner sides of the roller 6, and the other end of each of the two driven steel wire ropes is connected with two fixed hooks on the lifting platform 1 below the first pulley block 2 through the direction change of the two fixed pulleys 5 of the first pulley block 2. One end of the other two driven steel wire ropes 11 is respectively and fixedly wound on the driven rotating positions 7 at the two outer sides of the roller 6, and the other end of the other two driven steel wire ropes is connected with two fixed hooks on the lifting platform 1 below the second pulley block 3 through the direction change of the two fixed pulleys 5 of the second pulley block 3.
The working principle of the utility model is as follows:
during operation, the worker rotates the hand winch 9, and the drum 6 is driven to rotate by the driving steel wire rope 10 on the hand winch 9. The drum 6 rotates to control the length of the driven steel wire rope 11 wound on the driven rotating position 7, and then the lifting of the lifting platform 1 is controlled.
When the skip lining plate needs to be checked or replaced, the hand winch 9 is rotated clockwise, the roller 6 rotates to release the driven steel wire rope 11 wound on the roller 6, and the lifting platform 1 descends to drive workers to descend; the hand winch 9 is rotated anticlockwise, the roller 6 rotates to wind the driven steel wire rope 11 on the roller 6 continuously, and the lifting platform 1 rises to drive workers to rise.
Only need rotate hand winch 9, just can realize the staff in the inside lift of skip, more conveniently to the inside inspection of skip or change skip welt.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides an inside liftable of lifting machine skip overhauls platform which characterized in that: the lifting device is fixedly arranged at the top of a passenger carrying position of a skip of the lifting machine and comprises a lifting platform (1), a first pulley block (2), a second pulley block (3), a roller (6), a hand winch (9) and a steel wire rope;
the lifting platform (1) is horizontally arranged inside the skip, the first pulley block (2), the second pulley block (3) and the roller (6) are sequentially arranged at the top of the skip side by side at intervals, the first pulley block (2) and the second pulley block (3) are respectively provided with two fixed pulleys (5), two ends of the roller (6) are respectively and symmetrically provided with two driven rotating positions (7), the end part of the roller (6) is also provided with a driving rotating position (8), the hand winch (9) is fixedly arranged on a side vertical surface of a passenger position of the skip of the elevator, the steel wire rope comprises a driving steel wire rope (10) and four driven steel wire ropes (11), and two ends of the driving steel wire rope (10) are respectively and fixedly wound on the hand winch (9) and the driving rotating position (8); one ends of four driven steel wire ropes (11) are respectively and fixedly wound on driven rotating positions (7) on the roller (6), and the other ends of the four driven steel wire ropes are respectively and fixedly connected with the lifting platform (1) through the turning of four fixed pulleys (5).
2. The inside liftable of lifting machine skip maintenance platform of claim 1, characterized in that: the overall dimension of the lifting platform (1) is slightly smaller than the cross section of the skip.
3. The inside liftable of lifting machine skip maintenance platform of claim 1, characterized in that: the first pulley block (2) and the second pulley block (3) comprise bases (4) and two fixed pulleys (5), the bases (4) are of strip-shaped plate-shaped structures, and the two fixed pulleys (5) are symmetrically arranged at two ends of the lower end face of the bases (4) respectively.
4. The inside liftable of lifting machine skip maintenance platform of claim 3, characterized in that: the rotating shaft of the roller (6) is parallel to the bases (4) of the first pulley block (2) and the second pulley block (3), and the height of the roller (6) is lower than that of the first pulley block (2) and the second pulley block (3).
5. The inside liftable of lifting machine skip maintenance platform of claim 1, characterized in that: the distance between the two fixed pulleys (5) of the first pulley block (2) is smaller than the distance between the two fixed pulleys (5) of the second pulley block (3).
6. The inside liftable of lifting machine skip maintenance platform of claim 5, characterized in that: in the length direction along the rotating shaft of the roller (6), two driven rotating positions (7) on the outer side correspond to two fixed pulleys (5) of the second pulley block (3) respectively, and two driven rotating positions (7) on the inner side correspond to two fixed pulleys (5) of the first pulley block (2) respectively.
7. The inside liftable of lifting machine skip maintenance platform of claim 6, characterized in that: the lifting platform (1) is positioned below the first pulley block (2) and the second pulley block (3), and a fixed hook is correspondingly arranged below the two fixed pulleys (5) of the first pulley block (2) and below the two fixed pulleys (5) of the second pulley block (3) respectively.
8. The inside liftable of lifting machine skip maintenance platform of claim 7, characterized in that: one ends of two driven steel wire ropes (11) are respectively and fixedly wound on driven rotating positions (7) on two inner sides of the roller (6), and the other ends of the two driven steel wire ropes are connected with two fixed hooks on the lifting platform (1) below the first pulley block (2) through the direction change of the two fixed pulleys (5) of the first pulley block (2).
9. The inside liftable of lifting machine skip maintenance platform of claim 8, characterized in that: one ends of the other two driven steel wire ropes (11) are respectively and fixedly wound on the driven rotating positions (7) at the two outer sides of the roller (6), and the other ends of the other two driven steel wire ropes are connected with two fixed hooks on the lifting platform (1) below the second pulley block (3) through the direction change of the two fixed pulleys (5) of the second pulley block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122538795.XU CN216190883U (en) | 2021-10-21 | 2021-10-21 | Liftable maintenance platform in elevator skip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122538795.XU CN216190883U (en) | 2021-10-21 | 2021-10-21 | Liftable maintenance platform in elevator skip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216190883U true CN216190883U (en) | 2022-04-05 |
Family
ID=80886348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122538795.XU Expired - Fee Related CN216190883U (en) | 2021-10-21 | 2021-10-21 | Liftable maintenance platform in elevator skip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216190883U (en) |
-
2021
- 2021-10-21 CN CN202122538795.XU patent/CN216190883U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |