CN105298500A - Method suitable for converting steel well frame into well tower for underground mining lifting system - Google Patents
Method suitable for converting steel well frame into well tower for underground mining lifting system Download PDFInfo
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- CN105298500A CN105298500A CN201510773666.5A CN201510773666A CN105298500A CN 105298500 A CN105298500 A CN 105298500A CN 201510773666 A CN201510773666 A CN 201510773666A CN 105298500 A CN105298500 A CN 105298500A
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Abstract
The invention discloses a method suitable for converting a steel well frame into a well tower for an underground mining lifting system. The method includes the steps of firstly, determining a containing type well tower design scheme; secondly, conducting implementation step by step according to the scheme; thirdly, erecting a steel-structure safety channel for lifting up and putting down personnel, materials and devices on a deputy wellhead, safely isolating a deputy well lifting steel well frame from a head sheave through a steel plate, closing a steel wire rope running channel from the head sheave to a lifting machine room through a scaffold and a scaffold floor layer by layer, and detaching a hoisting framework and a lodge room on the top of an existing steel well frame. By means of the method, the well tower can be newly established under the condition that the deputy well lifting steel well frame does not shut down, and after the well tower civil engineering building project is completed and a lifting device is installed and adjusted, an upper head sheave, a lower head sheave and an inclined support of the existing steel well frame are detached. A vertical frame of the existing steel well frame extends to a cage blocking beam of the well tower, and a steel inner frame of the well tower is formed. After rope hanging, cage descending and adjusting, the well tower can be used for production run.
Description
Technical field
The invention belongs to mining field of engineering technology, be specifically related to a kind ofly be applicable to underground mining Hoisting System is changed into headframe method by steel headframe.
Background technology
Auxiliary shaft is unique passage of full ore deposit producers, material, the upper and lower well of equipment, the support structure of existing auxiliary-well takeup generally have derrick and headframe, the advantage of derrick be structure simple, invest less, weak point is cold wet weather in the winter time, and time Hoisting System is out of service, head sheave and head rope easily freeze, if processed not in time, head rope easily skids, and runs auxiliary shaft, and especially the upper and lower well of personnel exists larger potential safety hazard.Along with raising and the production-scale expansion of people's awareness of safety, the needs having a considerable amount of derrick can not meet safety and produce, it is desirable to be transformed into headframe.If reorganization and expansion method routinely, namely first remove raw steel derrick, more newly-built steel concrete headframe, and then install, commissioning device, the Hoisting System waiting auxiliary shaft new is constructed and put into operation, and mine at least will stop production more than 1 year, and this to be mine unacceptable.
Summary of the invention
The object of the present invention is to provide and be a kind ofly applicable to underground mining Hoisting System is changed into headframe method by steel headframe, the method can realize quick transformation when not stopping production.
Provided by the inventionly thisly be applicable to the method that underground mining Hoisting System transform headframe as by steel headframe and comprise the steps:
(1) determine design scheme, the headframe size of design should be greater than former derrick size of main body, by former derrick main body parcel wherein, ensures the normal use of former derrick in rebuilding construction process;
(2) raw steel derrick security protection: build steel work escape way with steel plate in the heapstead of raw steel derrick, makes this escape way run through heapstead; Raw steel derrick stand surrounding is closed from steel work escape way top to gear tank beam section, lifting means section and wellhead equipment section are kept apart, ensure that former Hoisting System is run not by well head construction infection;
(3) isolate production zones and construction area: head sheave and steel-cable channel thereof are closed, to ensure that former Hoisting System is normally run;
(4) heapstead and the crown maintenance steel work of raw steel derrick is removed;
(5) newly-built headframe: after raw steel derrick boom hoist cable is successively isolated, then headframe concrete structure of constructing; Successively construct according to newly-built headframe drawing, every one deck platform must ensure there are enough safe clearances with the internal frame of derrick; When new headframe construction is to tower top, first install headframe hoisting traveling crane, then close roof, last flooring and interior decoration all complete;
(6) mounting shaft tower
According to equipment installation and adjustment specification installation and adjustment elevator and the equipment such as automatically controlled thereof;
(7) remove former derrick brace, the steel stand of former derrick is increased the steel internal frame becoming newly-built headframe;
(8) new Hoisting System be installed and debug, completing whole steel headframe when not stopping production and change headframe engineering into.
Described former derrick main part plane projection size 6.5m × 9m, high 35m, headframe plane projection size 15m × 19m, high 54m, headframe by former derrick main part parcel wherein.
Described step (3) isolates head sheave with steel plate, with scaffold and scaffold floor, wire rope is run passage and successively closes.
Described step (5) the large equipment before closed roof, inconvenience lifted by crane from hole for hoist by mobile crane directly winch to elevator and directive wheel platform.
Adopt cutting mode to decompose when removing crown maintenance steel work, then use large-tonnage mobile crane to hang and remove, heapstead reinforced concrete structure is removed, and tears down and clear up with hydraulic pressure stonebreakers' hammer and hydraulic hoe, for ground condition is created in new headframe construction.
When step (7) removes former derrick brace, first remove the counterweight of raw steel derrick, cage, head sheave, head rope, tail rope, up and down sheave wheel platform section steel work, remove diagonal brace piecemeal again, finally raw steel stand is upwards increased to headframe gear tank beam, form headframe steel internal frame.
Step (8) is installed hoisting container and system debug and is referred to and install new cage, new counterweight, new head rope, new tail rope, then automatically controlled the and plant equipment of combined debugging.
The advantage that existing steel headframe transform steel concrete headframe as is by employing the inventive method: in headframe construction period, do not affect the normal operation of auxiliary shaft existing steel headframe Hoisting System, can shorten more than 10 months off-time, and construction quality is guaranteed, security reliability is strong.
Accompanying drawing explanation
Fig. 1 is prior art steel headframe front view.
Fig. 2 is the top view of prior art raw steel derrick.
Fig. 3 is the inventive method step one enforcement figure.
Fig. 4 is the sectional view of Fig. 3 along A-A line.
Fig. 5 is the sectional view of Fig. 3 along B-B line.
Fig. 6 is the inventive method step 2 enforcement figure.
Fig. 7 is the inventive method step 3 enforcement figure.
Fig. 8 be the inventive method step 4 to five enforcement figure.
Fig. 9 be the inventive method step 6 to seven enforcement figure.
Figure 10 is the top view after headframe is formed.
Reference numeral: head sheave 3, raw steel derrick brace 4, raw steel derrick stand 5, former wire rope 6, former heapstead 7, steel work escape way 8, head sheave guard shield 9, division board 10, headframe crane 11, headframe elevator 12, headframe directive wheel 13, headframe steel internal frame 14 under head sheave 2, raw steel derrick on raw steel derrick boom hoisting 1, raw steel derrick.
Detailed description of the invention
Fig. 1 and Fig. 2 is a kind of common representative diagonal-bracing type steel headframe structure in existing steel headframe.To generally comprise on raw steel derrick boom hoisting 1, raw steel derrick head sheave 3, raw steel derrick brace 4, raw steel derrick stand 5, former wire rope 6, former heapstead 7 etc. under head sheave 2, raw steel derrick.Generally derrick is divided into 4 podium levels: upper sheave wheel platform 1., lower sheave wheel platform 2., stand top platform 4., wellhead platform (ground) 6..What such as auricupride auxiliary-well takeup in Hubei now adopted is exactly this diagonal-bracing type steel headframe, derrick main part plane projection size 6.5m × 9m, high 35m, upper head sheave center absolute altitude is 57.1m, lower head sheave center absolute altitude is 50.6m, and heapstead and elevator machine room and switchgear house thereof are reinforced concrete frame structure, and seismic fortification intensity is 6 degree, seismic behavior is level Four, single footing under employing reinforced concrete post.Auxiliary-well takeup adopts φ 2.25m elevator, individual layer list cage band counterweight multi-rope friction type Hoisting System, the pair mainly bearing the above exploiting field producers of-520m level, material and equipment etc. promotes task, the elevation of well+21.3m, shaft bottom absolute altitude-541.3m.
Make raw steel derrick into headframe by the inventive method, first determine design scheme and parameter.Consider the needs of this ore deposit 3000t/d selecting and purchasing reconstruction and extension project, the minimum ore removal stage casing of design is-970m, new main shaft shaft bottom absolute altitude-1045m, the stage casings, 11 deeps such as newly-increased-570m, auxiliary shaft is also corresponding is extended deep to-1065m level, through with each production stage casing, deep ,-1000m skip loading level and-1045m shaft bottom fine ore collection level.Former auxiliary-well takeup adopts φ 2.25m elevator, individual layer list cage band counterweight multi-rope friction type Hoisting System, can not meet need of production, and design changes into and adopts φ 3.5m elevator, double-deck single cage band counterweight multi-rope friction type Hoisting System.Consider the lifting framework removing raw steel crown during new headframe design, reduce derrick height, and the beam of new headframe, post are avoided original steel headframe component completely, the stand of raw steel derrick is wrapped in the steel internal frame as following new headframe in new headframe.When constructing, first at the steel work escape way of auxiliary shaft opening's edge narrow gauge erection personnel, material, the upper and lower well of equipment, auxiliary shaft hoisting steel headframe and head sheave steel plate are carried out Secure isolation, head sheave to the wire rope of winding houses runs passage scaffold and scaffold floor and successively closes, then remove the lifting framework of raw steel crown, heapstead.The newly-built headframe when auxiliary shaft hoisting steel headframe does not stop production, completes in headframe civil works, after lifting means installation, debugging, removes the upper head sheave 2 of raw steel derrick, lower head sheave 3 and diagonal brace 4.Extend raw steel derrick stand 5 to headframe gear tank beam, form the steel internal frame of headframe.Can to put into production operation after lanyard, lower cage, debugging.Detailed step following (with reference to Fig. 3-Figure 10):
(1) determine containment type headframe design scheme and parameter, newly-built headframe size must be greater than former derrick size of main body, former derrick main part should be wrapped in newly-built headframe.This auxiliary shaft steel headframe main part (except diagonal brace) plane projection size 6.5m × 9m, high 35m, design headframe plane projection size 15m × 19m, high 54m.Design by former derrick main part parcel wherein, refer to Fig. 8
(2) security protection: the steel plate utilizing different-thickness, builds steel work escape way 8 in former heapstead 7, and closes around the stand of raw steel derrick, close range from steel work escape way 8 top 5. to raw steel derrick stand top 3., as shown in Figure 3.Lifting means section and wellhead equipment section are kept apart, ensures that elevator runs not by well head construction infection, refer to Fig. 3-5.
(3) isolate production zones and construction area: head sheave 3 steel plate under head sheave 2, raw steel derrick on raw steel derrick is isolated two head sheaves respectively as head sheave guard shield 9; with division board 10, former wire rope 6 is isolated; the operation passage of former wire rope 6 is made to form closed channel; ensure former Hoisting System energy normal construction, refer to Fig. 6.Division board 10 can adopt scaffold and scaffold floor.
(4) raw steel derrick part facility is removed: the steel headframe boom hoisting 1 in the steel headframe top platform of head sheave more than 2 on raw steel derrick and Fig. 1 and former heapstead 7 are removed, after dismounting, sees Fig. 7.
(5) newly-built headframe: after raw steel derrick boom hoist cable is successively isolated, then headframe concrete structure of constructing; Successively construct according to newly-built headframe drawing, have well head two-layer platform
(steel work escape way top place), electric fixtures platform (+16 meters of eminences), gear tank Liangping platform 3. (+25.3 meters of eminences), directive wheel platform (under raw steel derrick, 2. sheave wheel platform is located), host platform (+40 meters of eminences), tread platform (+50 meters of eminences), every one deck platform must ensure there are enough safe clearances with the stand of raw steel derrick; Install headframe hoisting traveling crane, then close roof, last flooring and interior decoration all complete;
(6) new headframe equipment is installed: according to equipment installation and adjustment specification, installation and adjustment elevator and the equipment such as automatically controlled thereof.
(7) the former derrick of partial demolition and the docking that stops production: the construction of auxiliary shaft deepening section complete and through with the original pit shaft in top after, remove shaft bottom facility, install joint shaft equipment, unload old counterweight, old cage, old head sheave, old head rope, old tail rope; To remove again in raw steel derrick sheave wheel platform 1. with lower sheave wheel platform 2. section steel work, remove diagonal brace piecemeal again, generally according to 1.-6. layer platform remove one by one, see Fig. 8, wherein go up sheave wheel platform 1., lower sheave wheel platform 2., keep off tank Liangping platform 3., stand top platform 4., well head two-layer platform
, wellhead platform (ground) 6..Then raw steel derrick stand 5 is extended upwardly to gear tank Liangping platform 3., and gear tank Liangping platform is closed; Finally clear up and reinforce, forming overall headframe steel internal frame 14.New double-deck single cage, new counterweight, new head rope, new tail rope are installed again, the automatically controlled and plant equipment of last combined debugging.Complete raw steel derrick and make steel concrete headframe engineering when not stopping production into, see Fig. 9 and Figure 10, in newly-built headframe, headframe crane 11, headframe elevator 12, headframe directive wheel 13, headframe steel internal frame 14 from top to bottom successively, the wire rope of elevator, owing to no longer there is skidding of freezing in steel concrete headframe, ensure that safety in production.
Claims (8)
1. one kind is applicable to the method that underground mining Hoisting System transform headframe as by steel headframe and comprises the steps:
(1) determine design scheme, the headframe size of design should be greater than former derrick size of main body, by former derrick main body parcel wherein, ensures the normal use of former derrick in rebuilding construction process;
(2) raw steel derrick security protection: build steel work escape way with steel plate in the heapstead of raw steel derrick, makes this escape way run through heapstead; Raw steel derrick stand surrounding is closed from steel work escape way top to gear tank beam section, lifting means section and wellhead equipment section are kept apart, ensure that former Hoisting System is run not by well head construction infection;
(3) isolate production zones and construction area: head sheave and steel-cable channel thereof are closed, to ensure that former Hoisting System is normally run;
(4) heapstead and the crown maintenance steel work of raw steel derrick is removed;
(5) newly-built headframe: after raw steel derrick boom hoist cable is successively isolated, then headframe concrete structure of constructing; Successively construct according to newly-built headframe drawing, every one deck platform must ensure there are enough safe clearances with the internal frame of derrick; When new headframe construction is to tower top, first install headframe hoisting traveling crane, then close roof, last flooring and interior decoration all complete;
(6) mounting shaft tower
According to equipment installation and adjustment specification installation and adjustment elevator and the equipment such as automatically controlled thereof;
(7) remove former derrick brace, the steel stand of former derrick is increased the steel internal frame becoming newly-built headframe;
(8) new Hoisting System be installed and debug, completing whole steel headframe when not stopping production and change headframe engineering into.
2. be applicable to underground mining Hoisting System is transform as headframe method by steel headframe according to claim 1, it is characterized in that described former derrick main part plane projection size 6.5m × 9m, high 35m, headframe plane projection size 15m × 19m, high 54m, headframe by former derrick main part parcel wherein.
3. be applicable to underground mining Hoisting System is transform as headframe method by steel headframe according to claim 1, it is characterized in that step (3) isolates head sheave with steel plate, with scaffold and scaffold floor, wire rope is run passage and successively close.
4. be applicable to underground mining Hoisting System is transform as headframe method by steel headframe according to claim 1, it is characterized in that described step (5) the large equipment before closed roof, inconvenience lifted by crane from hole for hoist by mobile crane directly winch to elevator and directive wheel platform.
5. be applicable to underground mining Hoisting System is transform as headframe method by steel headframe according to claim 1, it is characterized in that adopting cutting mode to decompose when removing crown maintenance steel work, then use large-tonnage mobile crane to hang to remove, heapstead reinforced concrete structure is removed, tear down with hydraulic pressure stonebreakers' hammer and hydraulic hoe and clear up, for ground condition is created in new headframe construction.
6. according to one of claim 1-5, be applicable to underground mining Hoisting System is transform as headframe method by steel headframe, when it is characterized in that step (7) removes former derrick brace, first remove the counterweight of raw steel derrick, cage, head sheave, head rope, tail rope, up and down sheave wheel platform section steel work, remove diagonal brace piecemeal again, finally raw steel stand is upwards increased to headframe gear tank beam, form headframe steel internal frame.
7. according to one of claim 1-5, be applicable to underground mining Hoisting System is transform as headframe method by steel headframe, it is characterized in that step (8) is installed hoisting container and system debug and referred to and install new cage, new counterweight, new head rope, new tail rope, then automatically controlled the and plant equipment of combined debugging.
8. be applicable to underground mining Hoisting System is transform as headframe method by steel headframe according to claim 7, it is characterized in that new cage adopts double-deck single cage.
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| CN201510773666.5A CN105298500B (en) | 2015-11-13 | 2015-11-13 | The method of headframe is changed to by steel headframe suitable for underground mining lifting system |
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| CN201510773666.5A CN105298500B (en) | 2015-11-13 | 2015-11-13 | The method of headframe is changed to by steel headframe suitable for underground mining lifting system |
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| CN105298500A true CN105298500A (en) | 2016-02-03 |
| CN105298500B CN105298500B (en) | 2017-09-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821082A (en) * | 2018-08-08 | 2018-11-16 | 中国恩菲工程技术有限公司 | Mining steel structure derrick |
| CN112144907A (en) * | 2020-09-22 | 2020-12-29 | 九州职业技术学院 | Method for protecting and transforming waste coal mine main shaft and shaft tower |
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| US4114954A (en) * | 1977-05-23 | 1978-09-19 | Falconbridge Nickel Mines Limited' | Hydraulic hoisting |
| CN102536249A (en) * | 2012-02-23 | 2012-07-04 | 中煤第五建设有限公司 | Fast construction method of headframe lifting system |
| CN103696774A (en) * | 2013-12-06 | 2014-04-02 | 马钢(集团)控股有限公司 | Development method of blind shaft frame for surface and underground parallel construction |
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2015
- 2015-11-13 CN CN201510773666.5A patent/CN105298500B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114954A (en) * | 1977-05-23 | 1978-09-19 | Falconbridge Nickel Mines Limited' | Hydraulic hoisting |
| CN102536249A (en) * | 2012-02-23 | 2012-07-04 | 中煤第五建设有限公司 | Fast construction method of headframe lifting system |
| CN103696774A (en) * | 2013-12-06 | 2014-04-02 | 马钢(集团)控股有限公司 | Development method of blind shaft frame for surface and underground parallel construction |
Non-Patent Citations (2)
| Title |
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| 李红辉等: "竖井井筒与井塔同时施工技术", 《中国矿山工程》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821082A (en) * | 2018-08-08 | 2018-11-16 | 中国恩菲工程技术有限公司 | Mining steel structure derrick |
| CN108821082B (en) * | 2018-08-08 | 2024-03-19 | 中国恩菲工程技术有限公司 | Steel structure derrick for mining |
| CN112144907A (en) * | 2020-09-22 | 2020-12-29 | 九州职业技术学院 | Method for protecting and transforming waste coal mine main shaft and shaft tower |
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| CN105298500B (en) | 2017-09-19 |
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