CN114476907B - Non-stop production reconstruction method for open shaft lifting system - Google Patents
Non-stop production reconstruction method for open shaft lifting system Download PDFInfo
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- CN114476907B CN114476907B CN202210129144.1A CN202210129144A CN114476907B CN 114476907 B CN114476907 B CN 114476907B CN 202210129144 A CN202210129144 A CN 202210129144A CN 114476907 B CN114476907 B CN 114476907B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 20
- 230000000630 rising effect Effects 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 claims description 7
- 238000011426 transformation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- -1 colored Substances 0.000 description 2
- 238000010276 construction 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
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 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
Classifications
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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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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a method for changing a single-rope winding type lifting system of a rising shaft into a multi-rope floor type lifting system without stopping production and reconstruction, wherein during normal production, an original single-rope lifting head sheave overhaul frame (9) of an original single-rope lifting head sheave (2) is removed, the single-rope lifting head sheave (2) is used as a stand (2') of the multi-rope lifting head sheave, and then a multi-rope lifting inclined frame (10) required by installing a multi-rope lifting head sheave (14) is additionally arranged outside the original single-rope lifting head sheave (2) during normal production; newly-built many rope hoist system computer lab (16) in being 90 contained angles positions with former single rope hoist computer lab (8), install many rope hoist (15) in many rope hoist system computer lab (16), many rope hoist vessel (12) adopt many rope to promote wire rope (13) to twine on many rope hoist (15) through many rope hoist head sheave (14). The method has obvious effect on mines which cannot stop production and the original vertical shaft lifting system must be changed into a multi-rope lifting system.
Description
Technical Field
The invention belongs to the technical field of underground mining and lifting, in particular relates to a method for improving a rising shaft lifting system without stopping production, and particularly relates to a method for improving a rising shaft single-rope winding type lifting system to a multi-rope floor type lifting system without stopping production, 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 device for the open shaft is widely applied to underground mines such as steel, colored, gold, chemical industry, coal and the like. With the national importance of mine safety, at present, part of local supervision departments have required that a newly designed mine elevator shaft must adopt a multi-rope lifting mode, and some places further require that the existing single-rope lifting shaft must be changed into a multi-rope lifting mode when the existing single-rope lifting shaft is used for elevator. However, with the existing technical method, if the single rope lifting system of the open shaft is replaced by the multi-rope lifting system, the open shaft needs to be stopped for a long time, the original single rope derrick is removed, then the multi-rope derrick is manufactured and installed again, and the production stopping time is less than one or two months and more than three or four months. However, in reality, most mines have lifting systems which are throat engineering of the mines and cannot be stopped for a long time for reconstruction.
The invention particularly provides a method for changing a single-rope winding type lifting system of a rising shaft into a multi-rope floor type lifting system without stopping production and improving, and the method can change and improve rising shaft lifting equipment only by using overhaul or vacation time under the condition that the rising shaft does not stop production.
Disclosure of Invention
The invention aims to solve the practical problem that the conventional open-shaft single-rope winding type lifting system is changed into a multi-rope friction type lifting system and long-time production stopping is needed, and provides a method for changing the open-shaft single-rope winding type lifting system into a multi-rope floor type lifting system without production stopping. The method has remarkable effect on mines which cannot stop production and the original vertical shaft lifting system must be changed into a multi-rope lifting system.
In order to achieve the purpose of the invention, the invention discloses a method for improving the single rope winding type lifting system of a vertical shaft to a multi-rope floor type lifting system without stopping production, which is implemented by adopting the following technical scheme: the original single-rope winding type lifting system for the original open shaft comprises an open 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 overhauling frame, wherein the original single-rope lifting machine is arranged in the original single-rope lifting machine room, the upper part of the open shaft is a single-rope lifting derrick, the single-rope lifting derrick is fixed in an auxiliary manner through an inclined strut of the original single-rope lifting derrick and a foundation, the original single-rope lifting head sheave is arranged 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 positioned in the original single-rope lifting derrick. The method is modified and implemented by adopting the following technical scheme: during normal production, the original single-rope lifting crown block maintenance frame of the original single-rope lifting derrick is removed, the rest part is reserved, and the single-rope lifting derrick is used as a stand of the multi-rope lifting derrick; then a multi-rope lifting inclined frame required by installing a multi-rope lifting head sheave is additionally arranged on the outer side of the original single-rope lifting derrick during normal production; newly-built many ropes promote the system computer lab in being 90 contained angles positions with former single rope promote the computer lab, install many ropes hoist in many ropes promote the system computer lab, utilize maintenance or holiday time to demolish former single rope and promote the head sheave, adopt many ropes to promote wire rope to twine to many ropes hoist through many ropes promote the head sheave with many ropes to promote the container. The main construction steps comprise the design of a new lifting system, the design of a multi-rope lifting system inclined frame construction drawing, the installation of the new lifting system and the like.
Further, 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.
Further, 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 preferably 1-2m higher than the top surface of the original single-rope lifting head sheave.
In order to control the operation of the modified multi-rope floor type lifting system, an electric control chamber is arranged in a multi-rope lifting system machine room.
In addition, the two groups of multi-rope lifting head pulleys are arranged, and after the two groups of multi-rope lifting head pulleys are arranged, the wire rope center lines of the two groups of multi-rope lifting head pulleys are required to correspond to the center lines of the multi-rope lifting containers in the shaft.
After the technical scheme is adopted, the method for changing the single-rope winding type lifting system of the vertical shaft into the multi-rope floor type lifting system without stopping production has the following beneficial effects:
(1) Under the condition that the open vertical shaft does not stop production, the open vertical shaft lifting equipment is replaced and reformed only by using overhaul or vacation time, and as the original derrick of the single-rope lifting system does not need to be dismantled, the whole inclined frame of the multi-rope lifting system, a new machine room and the like can be carried out outside a production site, and the installation and debugging of mine production and new system are respectively in different places and do not influence each other, the single-rope lifting system is changed into the multi-rope lifting system without stopping production.
(2) The method of the invention avoids the situation that the mine cannot stop production and replace lifting equipment because of the lifting of the open shaft, the lifting shaft has to be additionally newly dug, or the lifting system has to be updated and reformed and has to stop production for a long time to influence the economic benefit of the mine, and the economic effect is obvious.
(3) The method can change a normally produced open vertical shaft from a single rope to a multi-rope lifting system under the condition that the open vertical shaft does not stop production, upgrade and reform the lifting system, and also uses the original single-rope lifting system derrick as a vertical frame (or called a sleeve frame) of the multi-rope lifting system, thereby saving the processing and mounting cost of the derrick of the multi-rope lifting system.
Drawings
FIG. 1 is a schematic plan layout of a method for changing a single rope winding type lifting system of a vertical shaft into a multi-rope floor type lifting system without stopping production and transformation;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a sectional view B-B of FIG. 1.
The reference numerals are: 1-a clear vertical shaft; 2-original single-rope lifting derrick (multi-rope lifting derrick); 2' -multi-rope lifting stands (original single-rope lifting derricks); 3-lifting a derrick diagonal brace and a foundation by an original single rope; 4-an original single rope lifting container; 5-an original single-rope hoisting steel wire rope; 6-lifting the head sheave by the original single rope; 7-an original single rope lifter; 8-original single rope hoisting machine room (comprising electric control room); 9-lifting the maintenance frame of the head sheave by the original single rope; 10-multi-rope lifting inclined frame; 11-multi-rope lifting ramp foundation; 12-multi-rope lifting container; 13-multi-rope hoisting wire rope; 14-lifting the head sheave with multiple ropes; 15-multi-rope elevator; 16-multi-rope hoisting system machine room (containing electric control room).
Detailed Description
In order to better describe the invention, the method for improving the multi-rope floor type lifting system without stopping production of the single-rope winding type lifting system of the vertical shaft according to the invention is further described in detail below with reference to the attached drawings.
The invention discloses a method for changing a single rope winding type lifting system of a vertical shaft into a multi-rope landing type lifting system, which is shown in fig. 1, and is characterized in that a plane layout schematic diagram of the multi-rope landing type lifting system is changed, and in combination with fig. 2 and 3, the single rope winding type lifting system of the vertical shaft comprises a vertical shaft 1, a single rope lifting derrick 2, a single rope lifting wire rope 5, a single rope lifting head sheave 6, a single rope lifting machine 7, a single rope lifting machine room 8 and a single rope lifting head sheave maintenance frame 9, the single rope lifting machine 7 is arranged in the single rope lifting machine room 8, the upper part of the vertical shaft 1 is the single rope lifting derrick 2, the single rope lifting derrick 2 is fixed in an auxiliary manner through a single rope lifting derrick inclined strut and a foundation 3, the single rope lifting head sheave 6 is arranged at the upper part of the single rope lifting derrick 2, the single rope lifting wire rope 5 is lifted by the single rope lifting head sheave 7 and penetrates through the single rope lifting head sheave 6, and the single rope lifting head sheave 4 is arranged in the single rope lifting derrick 2. The technical scheme is adopted for reconstruction and implementation: during normal production, the original single-rope lifting head sheave maintenance frame 9 of the original single-rope lifting head sheave 2 is removed, and the single-rope lifting head sheave 2 is used as a head sheave 2' of the multi-rope lifting head sheave; 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, 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 arranged 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 lifting system machine room 16 at a position forming an included angle of 90 degrees with the original single-rope lifting machine room 8, wherein the multi-rope lifting system machine room 16 is a rope floor type lifting machine room, a multi-rope lifting machine 15 is arranged in the multi-rope lifting system machine room 16, and an electric control room is arranged in the multi-rope lifting system machine room 16; the multi-rope hoist vessel 12 is wrapped around a multi-rope hoist 15 with multi-rope hoist wire ropes 13 via multi-rope hoist head sheave 14.
The specific implementation steps and requirements are as follows:
1) The whole design of the new lifting system is as follows: according to the problems existing in the existing lifting system and the problems to be solved and the purpose to be achieved in the lifting system after modification, a new lifting system is designed. When designing, selecting reasonable winding drum size, electric control mode and the like of the elevator according to factors such as lifting height of a shaft, lifting capacity to be achieved and the like; determining the position of a multi-rope hoisting system machine room 16 (the position which is generally at an included angle of 90 degrees with the original single-rope hoisting machine room 8) according to the field situation; in addition, the multi-rope lifting inclined frame 10 is reasonably designed according to the three-dimensional size of the original single-rope lifting derrick 2 and the positioning size of the original single-rope lifting container 4 in the shaft, and the multi-rope lifting inclined frame 10 must meet the following principle when being designed: 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 1-2m is preferable); thirdly, after the multi-rope lifting head sheave 14 is installed, the center line of the multi-rope lifting steel wire ropes 13 of the two groups of multi-rope lifting head sheaves 14 must correspond to the center line of the multi-rope lifting container 12 in the shaft.
2) During normal production of the open shaft 1 to be modified, a multi-rope lifting system machine room 16 (in which an electric control room is arranged) is newly built according to the arrangement mode of the multi-rope floor type lifting system.
3) During normal production of the open shaft 1 to be modified, the multi-rope lifting inclined frame foundation 11 is firstly manufactured according to the design, and then the multi-rope lifting inclined frame 10 is integrally assembled at a place beside the open shaft without influencing production. Finally, after the original single-rope crown block overhauling frame 9 is dismantled, the multi-rope lifting inclined frame 10 is integrally lifted by adopting a plurality of cranes and is mounted on four multi-rope lifting inclined frame foundations 11. After the multi-rope lifting inclined frame 10 is integrally installed in place, two multi-rope lifting head gears 14 are hoisted to two head gear platforms of the integral multi-rope lifting inclined frame 10, and the multi-rope lifting head gears 14 are installed.
4) During normal production of the open shaft 1 to be modified, after the multi-rope hoist 15, the electric control system and the like are all installed and debugged, the original single-rope hoisting head sheave 6 is removed by using overhaul or holiday time, and the multi-rope hoisting steel wire rope 13 of the new hoisting system hoist is connected with the multi-rope hoisting container 12, so that the updating and modification of the hoisting system are completed, and the original single-rope hoisting system is stopped.
Claims (5)
1. The utility model provides a bright vertical shaft single rope winding formula lifting system changes many ropes to fall to ground formula lifting system and does not stop production transformation method, bright vertical shaft single rope winding formula lifting system contains bright vertical shaft (1), former single rope lifting derrick (2), former single rope lifting wire rope (5), former single rope promotes overhead sheave (6), former single rope hoist (7), former single rope lifting machine room (8), former single rope lifting overhead sheave maintenance frame (9), former single rope hoist (7) are installed in former single rope lifting machine room (8), bright vertical shaft (1) upper portion is single rope lifting derrick (2), former single rope lifting derrick (2) are through former single rope lifting derrick bracing and basis (3) auxiliary fixation, former single rope lifting overhead sheave (6) are installed in former single rope lifting derrick (2) upper portion, former single rope lifting wire rope (5) follow former single rope hoist (7) and pass former single rope lifting overhead sheave (6), former single rope lifting wire rope (5) lower extreme and former single rope (4) that are located in former single rope lifting derrick (2) are connected, characterized in that adopts the technical scheme below: during normal production, the original single-rope lifting head sheave maintenance frame (9) of the original single-rope lifting head sheave (2) is removed, and the single-rope lifting head sheave (2) is used as a vertical frame (2') of the multi-rope lifting head sheave; 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; newly-built many rope hoist system computer lab (16) in being 90 contained angles positions with former single rope hoist computer lab (8), install many rope hoist (15) in many rope hoist system computer lab (16), many rope hoist vessel (12) adopt many rope to promote wire rope (13) to twine on many rope hoist (15) through many rope hoist head sheave (14).
2. The method for modifying the single-rope winding type lifting system of the open shaft to the multi-rope landing type lifting system without stopping production 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 method for modifying the single-rope winding type lifting system of the open shaft to the multi-rope landing type lifting system without stopping production according to claim 2, which is characterized in that: 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. A method for modifying a single rope winding type lifting system of a rising shaft to a multi-rope landing type lifting system without stopping production according to claim 1, 2 or 3, which is characterized in that: an electric control chamber is arranged in the multi-rope lifting system machine room (16).
5. The method for modifying the single-rope winding type lifting system of the open shaft to the multi-rope landing type lifting system without stopping production according to claim 4, which is characterized in that: the multi-rope lifting system machine room (16) is a rope floor type lifting machine room.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129144.1A CN114476907B (en) | 2022-02-11 | 2022-02-11 | Non-stop production reconstruction method for open shaft lifting system |
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN114476907A CN114476907A (en) | 2022-05-13 |
| CN114476907B true CN114476907B (en) | 2024-01-12 |
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| CN202210129144.1A Active CN114476907B (en) | 2022-02-11 | 2022-02-11 | Non-stop production reconstruction method for open shaft lifting system |
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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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