CN1079489C - Combined hydraulic support - Google Patents
Combined hydraulic support Download PDFInfo
- Publication number
- CN1079489C CN1079489C CN98117698A CN98117698A CN1079489C CN 1079489 C CN1079489 C CN 1079489C CN 98117698 A CN98117698 A CN 98117698A CN 98117698 A CN98117698 A CN 98117698A CN 1079489 C CN1079489 C CN 1079489C
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- support
- base
- hydraulic
- back timber
- pull bar
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Abstract
The present invention relates to a supporting apparatus for the underground mining of coals and provides a combined hydraulic support for a high-grade general mining working surface between a multifunctional mining hydraulic support and a slide support with primary functions and characteristics of the two supports. The support is composed of two support sections; each of the support sections is an independent hydraulic support with independent four bar linkage mechanism. The top beams of the two support sections are connected by a top beam pull rod; shielding beams are connected by a shielding beam pull rod; bases are connected by a base pull rod and a gap bridge; the gap bridge is connected with the pushing mechanism of the support. Therefore, the support has the advantages of high stability, convenient support shifting, high safety, high reliability, strong adaptability, light weight and convenient assembly and disassembly.
Description
The present invention relates to the support apparatus that a kind of coal underground mining is used, be specially adapted to the supporting of high-grade common coal mining face.
The support apparatus that existing high-grade common coal mining face is used has metal roof bar individual prop (Chinese patent CN2219375Y) and slippage bracket (Chinese patent CN2113345Y), these two kinds of support apparatus all have in light weight, the characteristics of easy accessibility are applicable to that work plane is around the no charcoal post needs of face that prolong, shorten, move.But the metal roof bar individual prop needs manually-operated when supporting, labor strength is big, and support speed is slow and dangerous, therefore, is seriously restricting and is producing.And slippage bracket is with slider guide mechanism the major-minor beam to be linked together; When moving frame, the column reach is mentioned in a back timber step-down, and column is propped up; Then, the post reach is proposed in another back timber step-down, supports; Though use this support can alleviate some working strength of workers, but when moving frame, still need manually set upright column, be not completely free of the manual labor of heavy amount, and slippage bracket itself be exactly an instability mechanism, work plane safety can not guarantee that still industrial accident happens occasionally.In addition, at the widely used hydraulic support of fully-mechanized mining working (Chinese patent CN2188654Y and CN2096643Y), by forming by back timber, caving shield, hydraulic prop, base and quadric chain; Its type is reliable and stable, and operation is fool proof, but this type of supporting structure is complicated and heavy, invests greatlyyer, and therefore, face moving inconvenience is not suitable for using at high-grade common coal mining face.
The object of the present invention is to provide a kind of between comprehensive mining hydraulic bracket and slippage bracket, the major function and the characteristics that can keep comprehensive mining hydraulic bracket, the combined hydraulic support of can keep again that individual prop or slippage bracket are in light weight, the high-grade common coal mining face of easy accessibility, use flexible characteristic being used, thereby improve high-grade common coal mining face output and efficient, alleviate labor strength.
The technical measures that the present invention taked are that combined hydraulic support is made up of two details, and each support joint all is an independently hydraulic support, have independent four and connect mechanisms; The back timber of two support joints is connected by the back timber pull bar, and caving shield is connected by the caving shield pull bar, and base is connected by the gap bridge of base pull bar and base front end.
The technical measures that the present invention taked are that also the thrust gear of passing a bridge with support links; All there is gathering sill the base inboard of two support joints, and pusher rod is slided along gathering sill; The base front end is welded with the circular arc guide pad by the gap bridge place.
Compared with the prior art the present invention has following technique effect:
1, combined hydraulic support is two supports that the support joint combines with quadric chain, connect by back timber pull bar and caving shield pull bar respectively between the back timber of two support joints and the caving shield, and between back timber or the base certain changing of the relative positions amount up and down can be arranged, therefore, can bear bigger horizontal pressure force, increase the lateral stability of support, and can adapt to the injustice of roof and floor;
2, the back timber broad of combined hydraulic support is 80% to the rate of screening of top board, and there is the side guard board of broad in the caving shield outside of two support joints, therefore, can the effective support top board, prevent that the goaf spoil from entering work plane, guarantee that the work plane job safety is reliable;
3, the gap bridge of combined hydraulic support and thrust gear link, and the base inboard of two support joints is provided with gathering sill, thereby has accelerated advancing velocity, has fallen at the end labour intensity;
4, the everything of combined hydraulic support all is hydraulic controls, convenient operating maintenance, and good reliability, accident rate is low;
5, little, in light weight, the easy accessibility of combined hydraulic support size, the support apparatus small investment can realize whole transportation.
Now in conjunction with the accompanying drawings embodiments of the invention are further described.
Fig. 1, combined standing shield hydraulic support front view, wherein 1 is front-axle beam, and 2 is back timber, and 3 is hydraulic prop, and 4 is caving shield, and 5 is base, and 6 is thrust gear.
Fig. 2, combined standing shield hydraulic support lateral view, wherein 7 are the right support joint, and 8 are the left socle joint, and 9 is the back timber pull bar, and 10 is the caving shield pull bar, and 11 is the base pull bar, and 12 for passing a bridge.
Fig. 3, combined hydraulic shield support front view, wherein 1 is back timber, and 2 is base, and 3 is hydraulic prop, and 4 is thrust gear, 5 is caving shield.
Fig. 4, combined hydraulic shield support lateral view, wherein 6 are the right support joint, and 7 are the left socle joint, and 8 is the back timber pull bar, and 9 is the base pull bar, 10 for passing a bridge.
Embodiment one, combined standing shield hydraulic support
As depicted in figs. 1 and 2, combined standing shield hydraulic support is made up of two parallel support joints 7 and 8, and two support joints 7 and 8 all have independently quadric chain; The back timber 2 of two support joints 7 and 8 and caving shield 4 are connected by back timber pull bar 9 and caving shield pull bar 10 respectively, are connected by base pull bar 11 and gap bridge 12 between the base 5; Passing a bridge 12 connects with thrust gear 6, and base 12 inboards are provided with gathering sill.When combined standing shield hydraulic support moved frame, pusher rod was slided along gathering sill, and at this moment, support is motionless, passed jack and shrank, the transporter reach; Transporter is motionless, passes jack and stretches out, the support reach.Base 5 front ends are welded with the circular arc guide pad by 12 places of passing a bridge, and pusher rod is slided along guide pad when moving frame, to ajust support.In addition, between the back timber 2 of two support joints 7 and 8 or the base 5 certain changing of the relative positions amount up and down can be arranged, so that support adapts to the injustice of roof and floor.
Embodiment two, combined hydraulic shield support
Shown in Fig. 3 and 4, combined hydraulic shield support is made up of two parallel support joints 6 and 7, and two support joints all have independently quadric chain; Connect by back timber pull bar 8 between the back timber 1 of two support joints 6 and 7, connect by base pull bar 9 and gap bridge 10 between the base 2; Pass a bridge and 10 to connect with thrust gear 4; Base 2 inboards are provided with gathering sill.When combined hydraulic shield support moved frame, pusher rod was slided along gathering sill; At this moment, support is motionless, passes jack and shrinks, the transporter reach; Transporter is motionless, passes jack and stretches out, the support reach.Base 2 front ends are welded with the circular arc guide pad by 10 places of passing a bridge, and when moving frame, pusher rod is slided along guide pad, to ajust support.In addition, between the back timber 1 of two support joints 6 and 7 or the base 2 certain upper and lower changing of the relative positions amount can be arranged, so that support adapts to the injustice of roof and floor.
Claims (2)
1, a kind of combined hydraulic support that comprises back timber, caving shield, hydraulic prop and base, its spy is that every pack support is made up of two supports joint; Each support joint all is an independently hydraulic support, has independent quadric chain; The back timber of two support joints is connected by the back timber pull bar, and caving shield is connected by the caving shield pull bar, and base is connected by the gap bridge of base pull bar and base front end.
2, combined hydraulic support as claimed in claim 1, its feature are that also the thrust gear of passing a bridge with support links; All there is gathering sill the base inboard of two support joints, and pusher rod is slided along gathering sill; The base front end is welded with the circular arc guide pad by the gap bridge place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98117698A CN1079489C (en) | 1998-09-11 | 1998-09-11 | Combined hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98117698A CN1079489C (en) | 1998-09-11 | 1998-09-11 | Combined hydraulic support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1227306A CN1227306A (en) | 1999-09-01 |
| CN1079489C true CN1079489C (en) | 2002-02-20 |
Family
ID=5225646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98117698A Expired - Fee Related CN1079489C (en) | 1998-09-11 | 1998-09-11 | Combined hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1079489C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2910281A (en) * | 1956-10-19 | 1959-10-27 | Rheinstahl Wanheim Gmbh | Prop and conveyer arrangement for mines |
| US3342034A (en) * | 1963-06-21 | 1967-09-19 | Dowty Mining Equipment Ltd | Roof supports |
| US4518284A (en) * | 1982-03-30 | 1985-05-21 | Gewerkschaft Eisenhutte Westfalia | Mine roof supports |
| US4688968A (en) * | 1985-06-20 | 1987-08-25 | Paul Fanget | Chock block skidding device designed for the powered supports used in the mines |
| CN2188654Y (en) * | 1994-01-31 | 1995-02-01 | 杨金生 | Combined alternating bracing hydraulic support |
-
1998
- 1998-09-11 CN CN98117698A patent/CN1079489C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2910281A (en) * | 1956-10-19 | 1959-10-27 | Rheinstahl Wanheim Gmbh | Prop and conveyer arrangement for mines |
| US3342034A (en) * | 1963-06-21 | 1967-09-19 | Dowty Mining Equipment Ltd | Roof supports |
| US4518284A (en) * | 1982-03-30 | 1985-05-21 | Gewerkschaft Eisenhutte Westfalia | Mine roof supports |
| US4688968A (en) * | 1985-06-20 | 1987-08-25 | Paul Fanget | Chock block skidding device designed for the powered supports used in the mines |
| CN2188654Y (en) * | 1994-01-31 | 1995-02-01 | 杨金生 | Combined alternating bracing hydraulic support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1227306A (en) | 1999-09-01 |
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|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |