CN101493014A - Coal mine self-moving sectional shelf-unit - Google Patents
Coal mine self-moving sectional shelf-unit Download PDFInfo
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- CN101493014A CN101493014A CNA2008100638799A CN200810063879A CN101493014A CN 101493014 A CN101493014 A CN 101493014A CN A2008100638799 A CNA2008100638799 A CN A2008100638799A CN 200810063879 A CN200810063879 A CN 200810063879A CN 101493014 A CN101493014 A CN 101493014A
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- bearing seat
- hydraulic cylinder
- load bearing
- hinged
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Abstract
A self-moving combined frame for coal mines. Two spring offsetting hydraulic cylinders are inserted in cylinder sleeves of a front bearing seat, and top ends of the spring offsetting hydraulic cylinders are hinged with beam carrying plates by pin shafts to form a front support part. Three spring offsetting hydraulic cylinders are inserted in cylinder sleeves of a back bearing seat, tops ends thereof are hinged with beam carrying plates by pin shafts, and a waste rock barrier plate and an upper waste rock barrier plate are hinged and fixed at the tail end of a rear bearing seat by pin shafts to form a rear support shelter. Hinges of the moving hydraulic cylinders on the bearing seats of the front and rear supports are hinged by the moving hydraulic cylinders to achieve the self-movement of the self-moving combined frame of coal mines and the forward movement of face conveyors.
Description
Affiliated technical field
The present invention directly applies to the support of coal mining face timbering.
Background technology
At present, the applied supporting of coal mining work plane has the hydraulic support stand of performing comprehensive coal mining, and top grade is adopted the suspension beam type pillar supporting of face, and monomer column is joined hinged girder supporting and common supporting of metal friction post and pin supporting of adopting face.
The volume of performing comprehensive coal mining hydraulic support is big, and quality is heavy, the cost height, and the traffic condition height, mining conditions is restricted.
Suspension beam type support can not be applied to inclination and half-edge coal seam and girdle supporting, can not solve problem of the soft end.
Monomer column is joined the hinged girder supporting and is not suitable for the face timbering of the soft end and high seam work plane and roof cracking face timbering, and complex operation, and the work plane operating personnel are many, does not have retaining cash facility, and personnel's physical demands is big, can not solve problem of the soft end.
Supporting of metal friction post and wooden prop supporting, support force is little, and safety factor is little, belongs to modern superseded mode of mining.
At present, the ocurrence of coal seam state in most of coalfields is inclination angle big (10 °～25 °), and tomography is many, and the plot of monoblock is little.This just causes coal-face removal of home often, and the supporting difficulty, is lost a series of unsafe factors and economic losses such as post, column inverting and person injuried, downslide at buried column.
Summary of the invention
Can not applicable scope in order to overcome colliery existing coal mining support apparatus institute, condition and unsafe factor and user's labour intensity is big, used personnel are many, defectives such as cost height.The invention provides a kind of self-moving sectional shelf-unit; This support can not only be applied in the exploitation supporting of the inclined seam of seam inclination between 0 °～25 °, and can overcome work plane of soft end defective such as at the bottom of other supporting column drill except that comprehensive mining hydraulic bracket.And it is little that it has a volume, light weight, and quick detachable, excavated section is little, convenient transportation, low cost and other advantages.Can move voluntarily and lifting during operation, a people gets final product, and labour intensity is low, can screen comprehensively and be furnished with grade cash plate to breaking roof and hurt sb.'s feelings damage equipment to avoid the goaf spoil to enter work plane.
The technical solution adopted for the present invention to solve the technical problems is
After preceding load bearing seat, back load bearing seat are hinged and connected by bearing pin with the walking hydraulic cylinder,, make the work of stretching of walking hydraulic cylinder realize the walking of support and the passing forward of face conveyor by entering the pressure liquid of walking hydraulic cylinder.The front and back load bearing seat is welding or the cast-steel integral (can change area according to reality) of 1005mm * 480mm * 45mm, sinks (end is bored in the monomer column supporting) problem that support force is not enough thereby solved the face timbering of the soft end.Before and after the spring reset hydraulic cylinder is inserted in respectively in the cylinder sleeve of load bearing seat, upper end and beam type loaded plate be hinged afterwards to be entered the spring reset hydraulic cylinder by pressure liquid and realizes supporting to top board.Before and after load bearing seat and cylinder sleeve be the casting all-in-one-piece, and cylinder bore wall has certain hue angle space (5 °～7 °), can avoid in the monomer column supporting column inverting and person injuried like this and lose the post problem, can artificially adjust supporting again and face upward the angle on mountain and reach the supporting standard.The beam type loaded plate is welding or the cast-steel integral of 700mm * 300mm * 20mm, and it can carry enough support forces can strengthen the supporting area again as required, has realized the supporting to breaking roof.Because it is hinged with spring reset hydraulic cylinder bearing pin, thereby improved the resistance to overturning of support of the present invention.Increase a spring reset hydraulic cylinder at back load bearing seat tail end and be used for improving the effect that the caving plate is cut in the support force increase.Simultaneously at the tail end of back load bearing seat also with the bearing pin waste rock board that has been hinged, be used for avoiding the erecting dense individual props spoil to roll into work plane and smash equipment and hurt sb.'s feelings.When this support is used in mining height and surpasses 1.3 meters, will go up with bearing pin on waste rock board that waste rock board is hinged to be loaded onto, in order to increase the shielding height.
Support of the present invention comes transferring power by emulsion.Hold the Emulsion that the station provides 31.5MPa pressure by an emulsion that can produce 60MPa pressure, enter the operating valve set of every support by the high-pressure transfusion tube road.After entering the safety check valve group by high-pressure transfusion tube again, offer the supporting motive force that the spring reset hydraulic cylinder that is inserted on the load bearing seat column sleeve of front and back is realized support.Walking power is to be realized by operating valve set enters support through the high-pressure transfusion tube road walking hydraulic cylinder.
The invention has the beneficial effects as follows
Volume is little, and is in light weight, simple in structure, is convenient to transportation and installs and return and remove, and is applicable to that the inclination angle is in seam mining supporting below 25 °, the face timbering of face timbering of the soft end and roof cracking.Easy and simple to handle, a skilled operator can operate, and labour intensity is little, the supporting intensity height is effective, controlled effectively the caving spoil roll into work plane smash equipment, hurt sb.'s feelings and the work plane of monomer column supporting fall post, hurt sb.'s feelings and buried column, lose the post phenomenon.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the assembling drawing of embodiments of the invention.
Fig. 2 is a load bearing seat part drawing before the coal mine self-moving sectional shelf-unit.
Fig. 3 is a load bearing seat part drawing behind the coal mine self-moving sectional shelf-unit.
Fig. 4 is a coal mine self-moving sectional shelf-unit beam type loaded plate part drawing.
Fig. 5 is a coal mine self-moving sectional shelf-unit waste rock board part drawing.
Fig. 6 is a waste rock board part drawing on the coal mine self-moving sectional shelf-unit.
Fig. 7 is the coal mine self-moving sectional shelf-unit hydraulic scheme.
In Fig. 1,1, preceding load bearing seat, 2, the back load bearing seat, 3, waste rock board, 4, the cash plate that performs, 5, the walking hydraulic cylinder, 6, operation valve group, 7, the beam type loaded plate, 8, the spring reset hydraulic cylinder, 9, connect bearing pin, 10, high-pressure transfusion tube.
The specific embodiment
In Fig. 1, by preceding load bearing seat (1) be inserted in the top of two the spring reset hydraulic cylinders (8) in preceding load bearing seat (1) cylinder sleeve and beam type loaded plate (7) is formed preceding support portion by bearing pin (9) is hinged.By back loaded plate (2) be inserted in the blocking rod plate (3) of three spring reset hydraulic cylinder (8) tops and beam type loaded plate (7) tail end in loaded plate (2) cylinder sleeve of back and, formed back support portion with the cash shelves (4) that upward keep off that bearing pin is fixed on the waste rock board (3) when mining height during at 1.2 meters～3 meters.Realize walking by walking hydraulic cylinder (5) by the hinged support portion, front and back is fused of bearing pin.
The course of action of coal mine self-moving sectional shelf-unit
Hold the station by emulsification and pump emulsion, import the operation valve group (6) of each coal mine self-moving sectional shelf-unit via high-pressure transfusion tube (10) with 31.5MPa operating pressure.During work: at first the preceding support portion handle of plate moving operation valve group (6) is to unloading position, two spring reset hydraulic cylinders (8) of preceding support portion are unloaded under the effect of spring to be resetted, and then the walking handle plate that will operate valve group (6) is to passing the position, at this moment high-pressure emulsion enters the passing chamber of walking hydraulic cylinder (5) by high-pressure transfusion tube (10), the piston of walking hydraulic cylinder (5) promotes preceding support portion and moves forward 700mm, to operate valve (6) handle plate and return zero-bit, again preceding support portion handle plate is arrived the Support Position, at this moment high-pressure emulsion is by the support chamber that high-pressure transfusion tube (10) enters spring reset hydraulic cylinder (8), preceding support portion is supported to place and reaches support force.The back support portion handle of pulling operation valve group (6) is to unloading position, at this moment three spring reset hydraulic cylinders (8) unloading that under the effect of spring, resets of support portion, back, again handle wrench is arrived zero-bit, pull the walking handle of operation valve group (6) then, to reset position.At this moment emulsion enters the reseting cavity of walking hydraulic cylinder (5) by high-pressure transfusion tube, promotes piston and drags the support portion, back and move forward 700mm.Handle is grouped into zero-bit, and the back support portion handle wrench that will operate the valve group again is to the Support Position.High-pressure emulsion is by operation valve group (6) support chamber of three spring reset hydraulic cylinders of support portion after high-pressure transfusion tube (10) enters, and supports and reaches the work support force, thereby finish the course of action that whole supportings are moved.
Claims (4)
1, coal mine self-moving sectional shelf-unit inserts two spring reset hydraulic cylinders in two cylinder sleeves of preceding load bearing seat, the top of spring reset hydraulic cylinder and beam type loaded plate and two beam type loaded plates are hinged with bearing pin.Insert three spring reset hydraulic cylinders in three cylinder sleeves of back load bearing seat, the top of spring reset hydraulic cylinder and beam type loaded plate and two beam type loaded plates are hinged with bearing pin.The tail end of back load bearing seat with bearing pin with waste rock board and overhead gage hinged securement.Walking hydraulic cylinder hinge on preceding load bearing seat, the back load bearing seat is hinged with bearing pin with the walking hydraulic cylinder.It is characterized in that: preceding load bearing seat, spring reset hydraulic cylinder, beam type loaded plate are connected and form preceding support portion.Back load bearing seat, spring reset hydraulic cylinder, beam type loaded plate, waste rock board, last waste rock board are connected and form back support shield portion.Preceding support portion is connected with the walking hydraulic cylinder with back support shield portion realizes that support is from moving.
2, coal mine self-moving sectional shelf-unit according to claim 1 is characterized in that being inserted in the top of spring reset hydraulic cylinder of load bearing seat and the hinged realization of the beam type loaded plate supporting to breaking roof and coal-face of the soft end.
3, coal mine self-moving sectional shelf-unit according to claim 1 is characterized in that being hingedly fixed in waste rock board on the load bearing seat tail end of back and last waste rock board with bearing pin realizes shielding to work plane goaf caving cash face.
4, coal mine self-moving sectional shelf-unit according to claim 1, load bearing seat moves certainly with the hinged realization of walking hydraulic cylinder before and after it is characterized in that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100638799A CN101493014A (en) | 2008-01-21 | 2008-01-21 | Coal mine self-moving sectional shelf-unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100638799A CN101493014A (en) | 2008-01-21 | 2008-01-21 | Coal mine self-moving sectional shelf-unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101493014A true CN101493014A (en) | 2009-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100638799A Pending CN101493014A (en) | 2008-01-21 | 2008-01-21 | Coal mine self-moving sectional shelf-unit |
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| Country | Link |
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| CN (1) | CN101493014A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216252A (en) * | 2013-05-06 | 2013-07-24 | 辽宁天安矿山科技有限公司 | Roadway advanced supporting supports capable of assisting machinery to move |
| CN104375446A (en) * | 2014-11-27 | 2015-02-25 | 哈尔滨金都太阳能科技有限公司 | Platform compass simulator based on single chip microcomputer |
| CN109026108A (en) * | 2018-09-14 | 2018-12-18 | 天地科技股份有限公司 | A kind of intelligent adaptive advanced hydraulic support |
| CN109196184A (en) * | 2016-06-10 | 2019-01-11 | 山特维克知识产权股份有限公司 | Active interim hole top support equipment |
-
2008
- 2008-01-21 CN CNA2008100638799A patent/CN101493014A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216252A (en) * | 2013-05-06 | 2013-07-24 | 辽宁天安矿山科技有限公司 | Roadway advanced supporting supports capable of assisting machinery to move |
| CN104375446A (en) * | 2014-11-27 | 2015-02-25 | 哈尔滨金都太阳能科技有限公司 | Platform compass simulator based on single chip microcomputer |
| CN109196184A (en) * | 2016-06-10 | 2019-01-11 | 山特维克知识产权股份有限公司 | Active interim hole top support equipment |
| US10815781B2 (en) | 2016-06-10 | 2020-10-27 | Sandvik Intellectual Property Ab | Active temporary roof support apparatus |
| CN109026108A (en) * | 2018-09-14 | 2018-12-18 | 天地科技股份有限公司 | A kind of intelligent adaptive advanced hydraulic support |
| CN109026108B (en) * | 2018-09-14 | 2019-10-01 | 天地科技股份有限公司 | A kind of intelligent adaptive advanced hydraulic support |
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| Date | Code | Title | Description |
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| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Fengzhong Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090729 |