CN101832146A - Transversal reverse-four-link-bar advance bracket of large-obliquity working surface - Google Patents
Transversal reverse-four-link-bar advance bracket of large-obliquity working surface Download PDFInfo
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- CN101832146A CN101832146A CN 201010159921 CN201010159921A CN101832146A CN 101832146 A CN101832146 A CN 101832146A CN 201010159921 CN201010159921 CN 201010159921 CN 201010159921 A CN201010159921 A CN 201010159921A CN 101832146 A CN101832146 A CN 101832146A
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Abstract
The invention discloses a transversal reverse-four-link-bar advance bracket of a large-obliquity working surface, which comprises a top beam and a base. Four vertical columns are arranged between the top beam and the base, the supporting height of two vertical columns at the left of the top beam is higher than the supporting height of two vertical columns at the right of the top beam, a transversal reverse-four-link-bar mechanism is arranged above the base and below the top beam close to the vertical columns at the right side and comprises an inclined beam, the upper end of the inclined beam is articulated with the top beam, the lower end of the inclined beam is connected with the base by four link bars, the upper ends of the link bars are articulated with the inclined beam, the lower ends of the link bars are articulated with the base, the articulated parts of the link bars and the inclined beam protrude leftwards, a pedestrian space is formed between the left side of the transversal reverse-four-link-bar mechanism and the right sides of the two vertical columns at the left of the top beam, and the transversal reverse-four-link-bar mechanism not only can overcome lateral pressure from a top plate, but also can provide a larger operation space under the bracket, and can be applied to a large-obliquity working surface of a straight trough of an inclined top plate.
Description
Technical field
The present invention relates to the hydraulic support of a kind of colliery large inclination working surface special-shaped laneway support, relate in particular to a kind of transversal reverse-four-link-bar advance bracket of large-obliquity working surface.
Background technology
Down-hole coal excavation work plane of the prior art, the form of artificial individual prop is mainly adopted to the supporting of crossheading in the down-hole, and along with the propelling of coal-face, the underground labour constantly removes, supports individual prop, and so forth, low, the poor stability of efficient.
For the crossheading of horizontal top plate, also have and adopt the advance timbering supporting, but for the crossheading of inclined roof panels, because the lateral pressure that advance timbering is difficult to bear top board is difficult to use the advance timbering supporting.
Summary of the invention
The purpose of this invention is to provide a kind of transversal reverse-four-link-bar advance bracket of large-obliquity working surface that can be used in the inclined roof panels crossheading.
The objective of the invention is to be achieved through the following technical solutions:
Transversal reverse-four-link-bar advance bracket of large-obliquity working surface of the present invention, comprise back timber, base, be provided with 4 root posts between described back timber and the base, the bearing height of two root posts in described back timber left side is provided with transversal reverse-four-link-bar mechanism greater than the bearing height of two root posts on right side between the below of the close right side of described back timber column and the base;
Described transversal reverse-four-link-bar mechanism comprises cant beam, and the upper end of described cant beam and described back timber are hinged, and the lower end is connected with described base by 4 connecting rods;
The upper end of described connecting rod and described cant beam are hinged, and lower end and described base are hinged;
Protrude to the left at the hinged position of described connecting rod and described cant beam;
Form the pedestrian space between the right side of two root posts in the left side of described transversal reverse-four-link-bar mechanism and described back timber left side.
As seen from the above technical solution provided by the invention, transversal reverse-four-link-bar advance bracket of large-obliquity working surface of the present invention, because the bearing height of two root posts in back timber left side greater than the bearing height of two root posts on right side, is provided with transversal reverse-four-link-bar mechanism between the below of the close right side of back timber column and the base.Transversal reverse-four-link-bar mechanism can overcome from the side direction of top board and presses, and having to make has bigger working space under the frame, can be used in the large inclination working surface of inclined roof panels crossheading.
Description of drawings
Fig. 1 is the structural representation of adjacent two transversal reverse-four-link-bar advance bracket of large-obliquity working surface among the present invention;
Fig. 2 is the structural representation of transversal reverse-four-link-bar advance bracket of large-obliquity working surface application state of the present invention.
The specific embodiment
Transversal reverse-four-link-bar advance bracket of large-obliquity working surface of the present invention, its preferable specific embodiment be as shown in Figure 1:
Comprise back timber 3, base 6, be provided with 4 root posts between described back timber 3 and the base 6, the bearing height of two root posts 2 in described back timber 3 left sides is provided with transversal reverse-four-link-bar mechanism greater than two root posts, 4 bearing heights on right side between the below of two root posts 2 on described back timber 3 close right sides and the base 6;
Described transversal reverse-four-link-bar mechanism comprises cant beam 5, and the upper end of described cant beam 5 and described back timber 3 are hinged, and the lower end is connected with described base 6 by 4 connecting rods 9;
The upper end of described connecting rod 9 and described cant beam 5 are hinged, and lower end and described base 6 are hinged;
Protrude to the left at described connecting rod 9 and described cant beam 5 hinged positions;
Form the pedestrian space between the right side of the left side of described transversal reverse-four-link-bar mechanism and two root posts 2 in described back timber 3 left sides.
The left side of described back timber 3 can be provided with flexible back timber 8.The left side of two root posts 2 in described back timber 3 left sides is provided with elevating conveyor 1.
The inclined plane of described back timber 3 and the angle of horizontal plane can be more than or equal to 50 degree, and the bearing length of back timber 3 is more than or equal to 20 meters.
As shown in Figure 2, this transversal reverse-four-link-bar advance bracket of large-obliquity working surface can have a plurality of, such as there being 4-5, being provided with between adjacent two supports and passing jack 10.
Transversal reverse-four-link-bar advance bracket of large-obliquity working surface of the present invention has solved narrow and small problem, the support stability problem in space under the large inclination working surface tradition advanced hydraulic support frame.Make back timber can either adapt to the top board angle, can also bear pressure, can adapt to the instructions for use in special-shaped tunnel from crossheading top board side direction.
This hydraulic support adopts the caving shield of little cant beam mechanism replacement conventional stent, and quadric chain is reverse, has rationally utilized the space, and safe and spacious frame servant row space, the installing space of relevant device can be provided.
Simultaneously, advance timbering adopts transversal reverse-four-link-bar mechanism, has increased the stability (advance timbering of the prior art does not generally design four connecting rods, to adapt to the special-shaped tunnel of high inclination-angle) of support.
These advance timbering four link design directions are different from traditional support, quadric chain is oppositely settled and placed perpendicular to crossheading, laterally walk along roadway direction.
Advantage is that the back timber of advance timbering has and can effective support has the tunnel that big gradient and angle change, and provides safety, spacious frame servant row space, installation space for the mine again.
Advance timbering is generally 4～5 compositions, and bar timbering length is greater than 20m.
Moving of support will be drawn and move posterior bracket by being installed in jack on the base, and order is moved frame.
During use, it is put in the work plane crossheading, under the effect of hydraulic pressure, makes support stretching top board, the crossheading top board is effectively supported, thereby hew out the working space of set cap below, improve operating efficiency and safety in the crossheading by column.Not only improve the coal-face operating efficiency, improved the producing coal amount, reduced human cost, and because the supporting area of advance timbering is big, the supporting intensity height, thereby improved the safety in crossheading zone greatly, and advance timbering has also brought spacious working space for the down-hole by the upright supports of high workload resistance.
Transversal reverse-four-link-bar advance bracket of large-obliquity working surface of the present invention, a plurality of supports are connected to each other them by the passing jack of base front end each other, form complete advance timbering jointly.During use, the column feed liquor of support, the stretching top board is played a supporting role, and the mode by the passing jack " preceding postponing drawn " between two makes the support reach and draws in.So-called " preceding postponing drawn " promptly: fall side arm, the after-frame support is passed jack cavity of resorption feed liquor, makes the side arm reach; After side arm puts in place, the column feed liquor, after-frame falls in support stretching top board simultaneously, passes jack epicoele feed liquor, and after-frame is drawn in.
The shift-in form of advance timbering of the prior art all is that the passing jack by support is connected with elevating conveyor, after the elevating conveyor reach, to pass the jack idle stroke pulls out, pass jack epicoele feed liquor then, support is drawn in, the shortcoming of this kind form of structure maximum is exactly a support with after elevating conveyor is connected, try to stop people from fighting each other is to be fixed point with the elevating conveyor, the ledge of elevating conveyor is stressed, thereby influence the application life of elevating conveyor, the design feature of the support among the present invention " preceding postponing drawn " then overcomes the above-mentioned shortcoming of common advance timbering.
Support of the present invention has the lateral adaptation of back timber, for the crossheading section is special-shaped tunnel, popular saying is exactly because the inclination of coal-face, individual wedge shape top has been played on crossheading top, this just requires support (promptly horizontal) on vertical direct of travel, column in perpendicular to base plate, stretching set cap obliquely also, thus support the crossheading top board.This support maximum adaptation angle can reach 50 degree.
Support of the present invention has oblique supportive, and support has good stability, satisfies the requirement of oblique pressurized.
Bracket support distance of the present invention, supporting distance can be adjusted, and total supporting is apart from can be greater than 20 meters.And this support also has the adjustable advantage of supporting distance, according to actual needs, by increasing, subtract single pack support quantity, the supporting distance adjusted.
The above; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (7)
1. transversal reverse-four-link-bar advance bracket of large-obliquity working surface, comprise back timber, base, be provided with 4 root posts between described back timber and the base, it is characterized in that, the bearing height of two root posts in described back timber left side is provided with transversal reverse-four-link-bar mechanism greater than the bearing height of two root posts on right side between the below of the close right side of described back timber column and the base;
Described transversal reverse-four-link-bar mechanism comprises cant beam, and the upper end of described cant beam and described back timber are hinged, and the lower end is connected with described base by 4 connecting rods;
The upper end of described connecting rod and described cant beam are hinged, and lower end and described base are hinged;
Protrude to the left at the hinged position of described connecting rod and described cant beam;
Form the pedestrian space between the right side of two root posts in the left side of described transversal reverse-four-link-bar mechanism and described back timber left side.
2. transversal reverse-four-link-bar advance bracket of large-obliquity working surface according to claim 1 is characterized in that the left side of described back timber is provided with flexible back timber.
3. transversal reverse-four-link-bar advance bracket of large-obliquity working surface according to claim 2 is characterized in that, the left side of two root posts in described back timber left side is provided with elevating conveyor.
4. according to each described transversal reverse-four-link-bar advance bracket of large-obliquity working surface of claim 1 to 3, it is characterized in that the inclined plane of described back timber and the angle of horizontal plane are more than or equal to 50 degree.
5. transversal reverse-four-link-bar advance bracket of large-obliquity working surface according to claim 4 is characterized in that the bearing length of described back timber is more than or equal to 20 meters.
6. transversal reverse-four-link-bar advance bracket of large-obliquity working surface according to claim 5 is characterized in that this transversal reverse-four-link-bar advance bracket of large-obliquity working surface has a plurality of, is provided with the passing jack between adjacent two supports.
7. transversal reverse-four-link-bar advance bracket of large-obliquity working surface according to claim 6 is characterized in that, this transversal reverse-four-link-bar advance bracket of large-obliquity working surface has 4-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101599214A CN101832146B (en) | 2010-04-23 | 2010-04-23 | Transversal reverse-four-link-bar advance bracket of large-obliquity working surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101599214A CN101832146B (en) | 2010-04-23 | 2010-04-23 | Transversal reverse-four-link-bar advance bracket of large-obliquity working surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101832146A true CN101832146A (en) | 2010-09-15 |
| CN101832146B CN101832146B (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101599214A Expired - Fee Related CN101832146B (en) | 2010-04-23 | 2010-04-23 | Transversal reverse-four-link-bar advance bracket of large-obliquity working surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392663A (en) * | 2011-11-30 | 2012-03-28 | 兖矿集团有限公司 | Forward supporting hydraulic support and forward supporting hydraulic support system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3818725A1 (en) * | 1988-06-01 | 1989-12-14 | Gewerk Eisenhuette Westfalia | Support chock, in particular for use in pneumatic stowing operations |
| US5743679A (en) * | 1995-08-02 | 1998-04-28 | Dbt Deutsche Bergbau-Technik Gmbh | Hydraulic shield support frame |
| CN2911186Y (en) * | 2006-06-30 | 2007-06-13 | 兖州煤业股份有限公司 | Conveying end support of integrated working surface |
| CN101487395A (en) * | 2009-02-24 | 2009-07-22 | 辽宁天安矿山科技有限公司 | Template support for filling after support |
| CN201671647U (en) * | 2010-04-23 | 2010-12-15 | 中煤北京煤矿机械有限责任公司 | Horizontal reverse four-bar fore support with high inclination angle working surface |
-
2010
- 2010-04-23 CN CN2010101599214A patent/CN101832146B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3818725A1 (en) * | 1988-06-01 | 1989-12-14 | Gewerk Eisenhuette Westfalia | Support chock, in particular for use in pneumatic stowing operations |
| US5743679A (en) * | 1995-08-02 | 1998-04-28 | Dbt Deutsche Bergbau-Technik Gmbh | Hydraulic shield support frame |
| CN2911186Y (en) * | 2006-06-30 | 2007-06-13 | 兖州煤业股份有限公司 | Conveying end support of integrated working surface |
| CN101487395A (en) * | 2009-02-24 | 2009-07-22 | 辽宁天安矿山科技有限公司 | Template support for filling after support |
| CN201671647U (en) * | 2010-04-23 | 2010-12-15 | 中煤北京煤矿机械有限责任公司 | Horizontal reverse four-bar fore support with high inclination angle working surface |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392663A (en) * | 2011-11-30 | 2012-03-28 | 兖矿集团有限公司 | Forward supporting hydraulic support and forward supporting hydraulic support system |
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| Publication number | Publication date |
|---|---|
| CN101832146B (en) | 2011-12-28 |
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