CN114476907A - Non-stop production transformation method for changing single-rope winding type lifting system of exposed shaft into multi-rope floor type lifting system - Google Patents
Non-stop production transformation method for changing single-rope winding type lifting system of exposed shaft into multi-rope floor type lifting system Download PDFInfo
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- CN114476907A CN114476907A CN202210129144.1A CN202210129144A CN114476907A CN 114476907 A CN114476907 A CN 114476907A CN 202210129144 A CN202210129144 A CN 202210129144A CN 114476907 A CN114476907 A CN 114476907A
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- 238000004804 winding Methods 0.000 title claims abstract description 23
- 238000011426 transformation method Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000001131 transforming effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- -1 colored Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000002715 modification method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
- B66B19/02—Installing or exchanging ropes or cables
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Abstract
The invention discloses a non-stop production transformation method for changing a single-rope winding type lifting system of an exposed shaft into a multi-rope floor type lifting system, which is characterized in that during normal production, an original single-rope lifting head sheave overhaul frame (9) of an original single-rope lifting derrick (2) is dismantled, the single-rope lifting derrick (2) is used as a vertical frame (2') of the multi-rope lifting derrick, and then a multi-rope lifting inclined frame (10) required by installing a multi-rope lifting head sheave (14) is additionally arranged on the outer side of the original single-rope lifting derrick (2) during normal production; a multi-rope hoisting system machine room (16) is newly built at a position which forms an included angle of 90 degrees with an original single-rope hoisting machine room (8), a multi-rope hoisting machine (15) is installed in the multi-rope hoisting system machine room (16), and a multi-rope hoisting container (12) is wound on the multi-rope hoisting machine (15) through a multi-rope hoisting head sheave (14) by adopting a multi-rope hoisting steel wire rope (13). The method has remarkable effect on the mine which can not stop production and needs to be changed into a multi-rope lifting system by the original open vertical shaft lifting system.
Description
Technical Field
The invention belongs to the technical field of underground mining and lifting, and particularly relates to a non-stop production transformation method for a rising shaft lifting system, in particular to a non-stop production transformation method for transforming a rising shaft single-rope winding type lifting system into a multi-rope floor type lifting system, which can be flexibly applied to underground mines such as steel, colored, gold, chemical industry, coal and the like.
Background
The single-rope winding type lifting of the open vertical shaft is widely applied to underground mines such as steel, colored, gold, chemical industry, coal and the like. With the importance of the state on mine safety, at present, part of local supervision departments already require that newly designed mine person lifting shafts must adopt a multi-rope lifting mode, and some places require that the existing single-rope lifting shafts must be completely changed into the multi-rope lifting mode when used for lifting persons. However, with the prior art method, if the single-rope hoisting system of the open shaft needs to be replaced by the multi-rope hoisting system, the open shaft needs to be stopped for a long time, the original single-rope derrick is firstly dismantled, and then the multi-rope derrick is manufactured and installed again, wherein the production stopping time is as short as one month or two months, and more is as long as three months or four months. However, in the actual situation, most of mines are provided with lifting systems of throat engineering of the mine, and long-time production stop and transformation cannot be achieved.
The invention particularly provides a non-stop production transformation method for transforming a single-rope winding type lifting system of an open vertical shaft into a multi-rope floor type lifting system, which can only utilize the maintenance or vacation time to replace and transform lifting equipment of the open vertical shaft under the condition that the open vertical shaft does not stop production.
Disclosure of Invention
The invention aims to provide a non-stop production reconstruction method for reconstructing a multi-rope floor type lifting system from a single-rope winding type lifting system of an open vertical shaft, aiming at solving the practical problem that the multi-rope friction type lifting system reconstructed from the single-rope winding type lifting system of the existing open vertical shaft needs to stop production for a long time. The method has remarkable effect on the mine which can not stop production and needs to be changed into a multi-rope lifting system by the original open vertical shaft lifting system.
In order to realize the purpose, the non-stop production transformation method for transforming the exposed vertical shaft single-rope winding type lifting system into the multi-rope floor type lifting system adopts the following technical scheme: the original single-rope winding type lifting system of the exposed shaft comprises the exposed shaft, an original single-rope lifting derrick, an original single-rope lifting steel wire rope, an original single-rope lifting head sheave, an original single-rope lifting machine room and an original single-rope lifting head sheave maintenance frame, wherein the original single-rope lifting machine is installed in the original single-rope lifting machine room, the upper part of the exposed shaft is the single-rope lifting derrick, the single-rope lifting derrick is fixed by an original single-rope lifting derrick inclined strut and foundation assistance, the original single-rope lifting head sheave is installed on the upper part of the original single-rope lifting derrick, the original single-rope lifting steel wire rope penetrates through the original single-rope lifting head sheave from the original single-rope lifting machine, and the lower end of the original single-rope lifting steel wire rope is connected with an original single-rope lifting container located in the original single-rope lifting derrick. The method adopts the following technical scheme for modification and implementation: during normal production, the original single-rope hoisting head sheave overhaul frame of the original single-rope hoisting derrick is dismantled, the rest parts are reserved, and the single-rope hoisting derrick is used as a vertical frame of the multi-rope hoisting derrick; then, a multi-rope lifting inclined frame required for installing a multi-rope lifting head sheave is additionally arranged on the outer side of the original single-rope lifting derrick during normal production; the method comprises the steps of newly building a multi-rope hoisting system machine room at a position which forms an included angle of 90 degrees with an original single-rope hoisting machine room, installing a multi-rope hoisting machine in the multi-rope hoisting system machine room, dismantling an original single-rope hoisting head sheave by utilizing overhaul or holiday time, and winding a multi-rope hoisting container on the multi-rope hoisting machine through a multi-rope hoisting head sheave. The main construction steps comprise design of a new lifting system, design of a multi-rope lifting system inclined frame construction drawing, installation of the new lifting system and the like.
Furthermore, the multi-rope lifting inclined frame adopts a four-leg inclined frame, and the bottom surface of the lowest platform beam of the multi-rope lifting inclined frame is higher than the top surface of the original single-rope lifting head sheave.
Furthermore, the lower part of the multi-rope lifting inclined frame is arranged on the basis of the multi-rope lifting inclined frame; the bottom surface of the lowest platform beam of the multi-rope lifting inclined frame is higher than the top surface of the original single-rope lifting head sheave by 1-2 m.
In order to control the operation of the reconstructed multi-rope floor type lifting system, an electric control room is arranged in the multi-rope lifting machine room.
In addition, the multi-rope hoisting head sheave is divided into two groups, and after the two groups of multi-rope hoisting head sheaves are installed, the central lines of the steel wire ropes of the two groups of multi-rope hoisting head sheaves are required to correspond to the central line of a multi-rope hoisting container in a shaft.
The non-stop production modification method for changing the exposed vertical shaft single-rope winding type lifting system into the multi-rope floor type lifting system has the following beneficial effects after adopting the technical scheme:
(1) under the condition that the open vertical shaft is not stopped in production, the open vertical shaft hoisting equipment is replaced and transformed only by using overhaul or vacation time, because the original well frame of the single-rope hoisting system does not need to be dismantled, the whole inclined frame of the multi-rope hoisting system, a new machine room and the like can be carried out outside a production field, and the installation and debugging of the mine production and the new system are respectively carried out in different places without mutual influence, so that the single-rope hoisting system is transformed into the multi-rope hoisting system without stopping in production.
(2) The method avoids the situation that the mine cannot stop production and replace lifting equipment due to the fact that the open vertical shaft is lifted, a new shaft has to be dug additionally, or long-time production stop is needed for updating and reconstructing a lifting system, so that the economic benefit of the mine is influenced, and the economic effect is obvious.
(3) The method can replace the normally produced open vertical shaft with a multi-rope lifting system by a single rope under the condition that the open vertical shaft does not stop production, upgrade and reform the lifting system, and use the original derrick of the single-rope lifting system as a vertical frame (or called a sleeve frame) of the multi-rope lifting system, thereby saving the processing and installation cost of the derrick of the multi-rope lifting system.
Drawings
Fig. 1 is a schematic plane layout diagram of a non-stop production transformation method for transforming a single-rope winding type hoisting system of a vertical shaft into a multi-rope floor type hoisting system of the invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1.
The reference signs are: 1-a clear shaft; 2-original single rope hoisting derrick (multi-rope hoisting stand); 2' -multi-rope lifting vertical frame (original single-rope lifting derrick); 3-original single rope hoisting derrick diagonal brace and foundation; 4-original single rope lifting container; 5-original single rope hoisting steel wire rope; 6-original single rope lifting head sheave; 7-original single rope hoister; 8-original single rope hoisting machine room (including electric control room); 9-original single-rope lifting head sheave maintenance frame; 10-a multi-rope lifting ramp; 11-a multi-rope lifting inclined frame foundation; 12-a multi-rope lift container; 13-multi-rope hoisting steel wire ropes; 14-a multi-rope lifting head sheave; 15-multi-rope hoist; 16-multi-rope hoist machine room (including electric control room).
Detailed Description
In order to better describe the invention, the non-stop production modification method of the single-rope winding type hoisting system of the open shaft to the multi-rope floor type hoisting system of the invention is further described in detail with reference to the attached drawings.
The plane layout schematic diagram of the non-stop reconstruction method of the multi-rope floor-type hoisting system changed from the single-rope winding type hoisting system of the exposed shaft shown in figure 1 is combined with figures 2 and 3, and the original exposed shaft single-rope winding type hoisting system comprises an exposed shaft 1, an original single-rope hoisting derrick 2, an original single-rope hoisting steel wire rope 5, an original single-rope hoisting head sheave 6, an original single-rope hoisting machine 7, an original single-rope hoisting machine room 8 and an original single-rope hoisting head sheave overhaul frame 9, wherein the original single-rope hoisting machine 7 is arranged in the original single-rope hoisting machine room 8, the upper part of the exposed shaft 1 is the single-rope hoisting derrick 2, the single-rope hoisting derrick 2 is assisted and fixed by the original single-rope hoisting inclined strut and a foundation 3, the original single-rope hoisting head sheave overhaul frame 9 is arranged at the side of the original single-rope hoisting head sheave 2, the original single-rope hoisting head sheave 6 is arranged at the upper part of the original single-rope hoisting head sheave 2, the original single-rope hoisting steel wire rope 5 passes through the original single-rope hoisting head sheave 7, the lower end of the original single-rope hoisting steel wire rope 5 is connected with the original single-rope hoisting container 4 in the original single-rope hoisting derrick 2. The technical scheme is adopted for modification and implementation: during normal production, the original single-rope hoisting head sheave overhauling frame 9 of the original single-rope hoisting derrick 2 is dismantled, and the single-rope hoisting derrick 2 is used as a vertical frame 2' of the multi-rope hoisting derrick; then, a multi-rope lifting inclined frame 10 required by installing a multi-rope lifting head sheave 14 is additionally arranged on the outer side of the original single-rope lifting derrick 2 in the normal production period, the multi-rope lifting inclined frame 10 adopts a four-leg inclined frame, the lower part of the multi-rope lifting inclined frame 10 is installed on a multi-rope lifting inclined frame foundation 11, and the bottom surface of the lowest platform beam of the multi-rope lifting inclined frame 10 is 1-2m higher than the top surface of the original single-rope lifting head sheave 6; newly building a multi-rope hoisting system machine room 16 at a position forming an included angle of 90 degrees with the original single-rope hoisting machine room 8, wherein the multi-rope hoisting machine room 16 is a rope floor type hoisting machine room, a multi-rope hoisting machine 15 is installed in the multi-rope hoisting system machine room 16, and an electric control room is arranged in the multi-rope hoisting machine room 16; the multi-rope hoist container 12 is wound around a multi-rope hoist 15 via a multi-rope hoist head sheave 14 by using a multi-rope hoist rope 13.
The specific implementation steps and requirements are as follows:
1) the overall design of the new lifting system is as follows: the new lifting system is designed according to the problems of the existing lifting system, the problems to be solved by the improved lifting system and the purposes to be achieved. During design, reasonable sizes of winding drums of the hoisting machine, an electrical control mode and the like are selected according to factors such as the hoisting height of a shaft, the hoisting capacity required to be achieved and the like; determining the position of the multi-rope hoist engine room 16 (generally the position forming an included angle of 90 degrees with the original single-rope hoist engine room 8) according to the field situation; in addition, the multi-rope hoisting inclined frame 10 needs to be reasonably designed according to the three-dimensional size of the original single-rope hoisting derrick 2 and the positioning size of the original single-rope hoisting container 4 in the shaft, and the multi-rope hoisting inclined frame 10 needs to meet the following principle during design: firstly, the multi-rope lifting inclined frame 10 must adopt a four-leg inclined frame; secondly, the bottom surface of the lowest platform beam of the multi-rope lifting inclined frame 10 must be higher than the top surface of the original single-rope lifting head sheave 6 by a certain distance H (the distance H is not limited, but is preferably 1-2 m); thirdly, after the multi-rope hoisting head sheave 14 is installed, the central line of the multi-rope hoisting steel wire 13 of the two groups of multi-rope hoisting head sheaves 14 must correspond to the central line of the multi-rope hoisting container 12 in the shaft.
2) During the normal production period of the open shaft 1 needing to be modified, a multi-rope hoisting machine room 16 (provided with an electric control room inside) is newly built according to the arrangement mode of the multi-rope floor type hoisting system.
3) During the normal production period of the open vertical shaft 1 needing to be modified, the multi-rope lifting inclined frame foundation 11 is firstly made according to the design, and then the multi-rope lifting inclined frame 10 is integrally assembled at the place beside the open vertical shaft where the production is not affected. And finally, after the original single-rope head sheave overhaul frame 9 is dismantled, a plurality of cranes are adopted to integrally lift the multi-rope lifting inclined frame 10 and install the multi-rope lifting inclined frame on four multi-rope lifting inclined frame foundations 11. After the multi-rope lifting ramp 10 is installed in place, two multi-rope lifting head sheaves 14 are hoisted to the two head sheave platforms of the multi-rope lifting ramp 10 and the multi-rope lifting head sheaves 14 are installed.
4) During the normal production period of the open shaft 1 needing to be modified, after the multi-rope hoisting machine 15, the electric control system and the like are completely installed and debugged, the original single-rope hoisting head sheave 6 is detached by utilizing the time of maintenance or holidays, the multi-rope hoisting steel wire rope 13 of the hoisting machine of the new hoisting system is connected with the multi-rope hoisting container 12, and therefore the updating and the modification of the hoisting system are completed, and the original single-rope hoisting system is stopped.
Claims (5)
1. A non-stop production transformation method for changing a single-rope winding type lifting system of a bright vertical shaft into a multi-rope floor type lifting system comprises the steps that the original bright vertical shaft single-rope winding type lifting system comprises a bright vertical shaft (1), an original single-rope lifting derrick (2), an original single-rope lifting steel wire rope (5), an original single-rope lifting head sheave (6), an original single-rope lifting machine room (7), an original single-rope lifting head sheave overhauling frame (9), the original single-rope lifting machine (7) is installed in the original single-rope lifting machine room (8), the single-rope lifting derrick (2) is arranged at the upper part of the bright vertical shaft (1), the single-rope lifting derrick (2) is assisted and fixed through an original single-rope lifting inclined strut and a foundation (3), the original single-rope lifting head sheave (6) is installed at the upper part of the original single-rope lifting head sheave (2), the original single-rope lifting steel wire rope (5) passes through the original single-rope lifting head sheave (6) from the original single-rope lifting machine (7), the lower extreme of former single rope hoisting wire rope (5) is connected with former single rope lifting container (4) that are located former single rope hoisting derrick (2), and its characterized in that adopts following technical scheme to reform transform and implement: during normal production, the original single-rope hoisting head sheave overhauling frame (9) of the original single-rope hoisting derrick (2) is dismantled, and the single-rope hoisting derrick (2) is used as a vertical frame (2') of the multi-rope hoisting derrick; then, a multi-rope lifting inclined frame (10) required by installing a multi-rope lifting head sheave (14) is additionally arranged on the outer side of the original single-rope lifting derrick (2) in the normal production period; a multi-rope hoisting system machine room (16) is newly built at a position which forms an included angle of 90 degrees with an original single-rope hoisting machine room (8), a multi-rope hoisting machine (15) is installed in the multi-rope hoisting system machine room (16), and a multi-rope hoisting container (12) is wound on the multi-rope hoisting machine (15) through a multi-rope hoisting head sheave (14) by adopting a multi-rope hoisting steel wire rope (13).
2. The non-stop production transformation method for transforming the open vertical shaft single-rope winding type hoisting system into the multi-rope floor type hoisting system according to claim 1, which is characterized in that: the multi-rope lifting inclined frame (10) adopts a four-leg inclined frame, and the bottom surface of the lowest platform beam of the multi-rope lifting inclined frame (10) is higher than the top surface of the original single-rope lifting head sheave (6).
3. The non-stop production transformation method for transforming the open vertical shaft single-rope winding type hoisting system into the multi-rope floor type hoisting system according to claim 2, wherein the non-stop production transformation method comprises the following steps: the lower part of the multi-rope lifting inclined frame (10) is arranged on a multi-rope lifting inclined frame foundation (11); the bottom surface of the lowest platform beam of the multi-rope lifting inclined frame (10) is 1-2m higher than the top surface of the original single-rope lifting head sheave (6).
4. The non-stop reconstruction method for changing the open vertical shaft single-rope winding type lifting system into the multi-rope floor type lifting system according to claim 1, 2 or 3, characterized by comprising the following steps of: an electric control room is arranged in the multi-rope hoisting machine room (16).
5. The non-stop production transformation method for transforming the open vertical shaft single-rope winding type lifting system into the multi-rope floor type lifting system according to claim 5, wherein the non-stop production transformation method comprises the following steps: the multi-rope hoisting machine room (16) is a rope floor type hoisting machine room.
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| CN202210129144.1A CN114476907B (en) | 2022-02-11 | 2022-02-11 | Non-stop production reconstruction method for open shaft lifting system |
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| CN202210129144.1A CN114476907B (en) | 2022-02-11 | 2022-02-11 | Non-stop production reconstruction method for open shaft lifting system |
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| CN114476907B CN114476907B (en) | 2024-01-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1183434A (en) * | 1956-09-29 | 1959-07-07 | Skip Cie Gmbh | Device used to change mine shaft extraction equipment |
| CN103964284A (en) * | 2014-05-07 | 2014-08-06 | 中钢集团马鞍山矿山研究院有限公司 | Non-production-stopping modifying method for hoisting system with multi-rope friction pulley for hoisting internal shaft |
| CN103964285A (en) * | 2014-05-07 | 2014-08-06 | 中钢集团马鞍山矿山研究院有限公司 | Interior shaft hoisting system on-line improvement method for changing multi-rope floor type into tower type |
| CN106050260A (en) * | 2016-08-10 | 2016-10-26 | 中钢集团马鞍山矿山研究院有限公司 | Non-stop production reconstruction method for tower-type external shaft hoisting system |
| CN106241579A (en) * | 2016-08-10 | 2016-12-21 | 中钢集团马鞍山矿山研究院有限公司 | A kind of tower bright shaft hoisting changes the non-stop production reformation method that console model promotes |
-
2022
- 2022-02-11 CN CN202210129144.1A patent/CN114476907B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1183434A (en) * | 1956-09-29 | 1959-07-07 | Skip Cie Gmbh | Device used to change mine shaft extraction equipment |
| CN103964284A (en) * | 2014-05-07 | 2014-08-06 | 中钢集团马鞍山矿山研究院有限公司 | Non-production-stopping modifying method for hoisting system with multi-rope friction pulley for hoisting internal shaft |
| CN103964285A (en) * | 2014-05-07 | 2014-08-06 | 中钢集团马鞍山矿山研究院有限公司 | Interior shaft hoisting system on-line improvement method for changing multi-rope floor type into tower type |
| CN106050260A (en) * | 2016-08-10 | 2016-10-26 | 中钢集团马鞍山矿山研究院有限公司 | Non-stop production reconstruction method for tower-type external shaft hoisting system |
| CN106241579A (en) * | 2016-08-10 | 2016-12-21 | 中钢集团马鞍山矿山研究院有限公司 | A kind of tower bright shaft hoisting changes the non-stop production reformation method that console model promotes |
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