CN105626114A - Full roof-contacted filling hydraulic bracket - Google Patents
Full roof-contacted filling hydraulic bracket Download PDFInfo
- Publication number
- CN105626114A CN105626114A CN201610060294.6A CN201610060294A CN105626114A CN 105626114 A CN105626114 A CN 105626114A CN 201610060294 A CN201610060294 A CN 201610060294A CN 105626114 A CN105626114 A CN 105626114A
- Authority
- CN
- China
- Prior art keywords
- filling
- support
- jack
- base
- back timber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 abstract description 3
- 239000003245 coal Substances 0.000 description 9
- 238000005065 mining Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a full roof-contacted filling hydraulic bracket which comprises a front shield support and a rear filling bracket. The front shield support comprises a base, an upright and a cantilever roofbar; a front baffle is arranged at the front part of the base; the front end of the base is connected with a scraper conveyor by a front advancing support jack; a rear supporting baffle is arranged at the rear part of the base; the rear filling bracket comprises a push plate and a rear top beam which are mutually hinged; a rear top beam jack is connected between the push plate and the rear top beam; the push plate is connected with the rear supporting baffle by a rear pushing jack. By the rear filling bracket, a filling body is pushed and compressed to move towards a roof so as to achieve an effect that the filling body can be fully roof-contacted under the condition of an insufficient pumping pressure; the rear filling bracket replaces a filling retaining wall, and the rear filling bracket can be repeatedly used, so that filling cost of a mine enterprise is reduced.
Description
Technical field
The present invention relates to a kind of filling hydraulic support, particularly relate to a kind of full top tight filling hydraulic support.
Background technology
Coal is the energy substance that China is main, and in following development, coal will not change status in China's main body energy. The most coal resources of China rely primarily on the mode of pit mining and exploit, and are caving formula roof control while promoting economic development, also bring serious environmental problem. Process of coal mining causes subsurface flow become estranged the problems such as land subsidence, not only pollute ecological environment, and the harmony that have impact on society is stable. In order to solve above problem, China achieves good effect in the filling mining of coal.
Filling mining is the major transformation of coal mining, and filling support just began one's study application in recent years in China, and its type mainly has paste filling hydraulic bracket, waste filling hydraulic support, ultrahigh water material hydraulic support. Filling hydraulic support is for improving coal recovery rate, and the earth's surface deformation etc. that control production causes provides new technological approaches, but existing filling process exists the problem that obturator can not connect top, it is impossible to provide enough support forces for filling area top board. If obturator meets top poor quality, top board impact is relatively big, and stabilization time and the final deflection gap of top board are bigger.
Summary of the invention
It is an object of the invention to provide a kind of obturator and can connect the full top tight filling hydraulic support on top completely.
It is an object of the invention to be achieved through the following technical solutions:
The full top tight filling hydraulic support of the present invention, including front shield support and rear filling support, described front shield support includes base, column and front back timber, the front portion of described base is provided with front apron, the front end of described base is connected with drag conveyor by the frame jack that moves forward, and the rear portion of described base is provided with rear support baffle plate;
Described rear filling support includes the push pedal that is hinged and rear back timber, is connected to rear back timber jack between described push pedal and rear back timber, and described push pedal is connected with described rear support baffle plate by rear advancing jack.
As seen from the above technical solution provided by the invention, the full top tight filling hydraulic support that the embodiment of the present invention provides, make it to movement of roof by rear filling support passage compression obturator, it is achieved thereby that top can be connect completely at the situation retrofilling body that pumping pressure is inadequate; Replacing filling counterfort by rear filling support, rear filling support is reusable, reduces the filling cost of bargh.
Accompanying drawing explanation
The side-looking structural representation of the full top tight filling hydraulic support that Fig. 1 provides for the embodiment of the present invention.
The stravismus structural representation of the full top tight filling hydraulic support that Fig. 2 provides for the embodiment of the present invention.
In figure:
Back timber before 1,2 columns, 3 front aprons, 4 rear support baffle plates, 5 drag conveyors, advancing jack after 6, back timber after 7, back timber jack after 8,9 push pedals, 10 reach frame jack, 11 bases, 12 charging apertures.
Detailed description of the invention
The embodiment of the present invention will be described in further detail below.
The full top tight filling hydraulic support of the present invention, its preferably detailed description of the invention be:
Including front shield support and rear filling support, described front shield support includes base, column and front back timber, the front portion of described base is provided with front apron, and the front end of described base is connected with drag conveyor by the frame jack that moves forward, and the rear portion of described base is provided with rear support baffle plate;
Described rear filling support includes the push pedal that is hinged and rear back timber, is connected to rear back timber jack between described push pedal and rear back timber, and described push pedal is connected with described rear support baffle plate by rear advancing jack.
Described push pedal is connected with described rear support baffle plate by advancing jack after upper and lower two groups.
4 root posts it are provided with between described base and front back timber.
The full top tight filling hydraulic support of the present invention, it is possible to solve the problem that existing process conditions retrofilling body can not connect top in stowing operation.
In the present invention, the effect of each parts is:
Full top tight filling hydraulic support, is made up of front shield support and rear filling support.
Wherein front shield support is made up of drag conveyor, reach frame jack, base, front apron, column and front back timber. The coal that drag conveyor is responsible under being adopted by cutting coal machine transports work surface. Reach frame jack connects drag conveyor and base, for propeller conveyer to rib or pull support to move forward. Base is used for stablizing whole filling hydraulic support. Column can stretch, back timber and base before vertical direction connects, and provides enough support forces by hydraulic means. With direct top contact during the work of front back timber, it is prevented that roof caving or block and be caving thing, for mining and filling provides enough activity spaces. Rear filling support is made up of rear back timber, rear back timber jack, push pedal, rear support baffle plate and rear advancing jack. Rear back timber can regulate front and rear angles by the flexible of rear back timber jack, it is achieved with contacting of top board, stop obturator outflow, it is ensured that closely knit filling space. Push pedal can squeeze pack body so that it is flow up thus realizing connecing top, and push pedal leaves the charging aperture of conveying obturator. The mobile offer power that rear advancing jack is push pedal, makes push pedal to elapse backward or follows up to work surface. Rear support baffle plate be rear advancing jack borrow force, it is desirable to enough intensity.
The present invention makes it to movement of roof by rear filling support passage compression obturator, it is achieved thereby that can connect top completely at the situation retrofilling body that pumping pressure is inadequate.
Replacing filling counterfort by rear filling support, rear filling support is reusable, reduces the filling cost of bargh.
Specific embodiment:
As shown in Figure 1 and Figure 2, including front shield support and rear filling support. Specific works process is that drag conveyor 5 is pushed ahead distance s by elongation reach frame jack 10, and distance s pushed ahead therewith by coal-winning machine. Shrink column 2 and reach frame jack 10 makes front shield support follow up forward distance s, then extend column 2 and make front back timber 1 roof supporting, reach appointment setting load. Rear filling support remains stationary as, and conveying pipeline carries obturator, rear portion to start hanging bag filling by charging aperture 12. Advancing jack 6 after elongation in due course, compression obturator makes it move upward and connects top. Rear back timber 7 is made topmost and top plate contact by rear back timber jack 8 adjusting angle, stops obturator outflow. Obturator condenses after firmly, and after contraction, advancing jack 6 returns to initial condition, circulates and so forth.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope of present disclosure; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. a full top tight filling hydraulic support, it is characterized in that, including front shield support and rear filling support, described front shield support includes base, column and front back timber, the front portion of described base is provided with front apron, the front end of described base is connected with drag conveyor by the frame jack that moves forward, and the rear portion of described base is provided with rear support baffle plate;
Described rear filling support includes the push pedal that is hinged and rear back timber, is connected to rear back timber jack between described push pedal and rear back timber, and described push pedal is connected with described rear support baffle plate by rear advancing jack.
2. full top tight filling hydraulic support according to claim 1, it is characterised in that described push pedal is connected with described rear support baffle plate by advancing jack after upper and lower two groups.
3. full top tight filling hydraulic support according to claim 1 and 2, it is characterised in that be provided with 4 root posts between described base and front back timber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060294.6A CN105626114B (en) | 2016-01-28 | 2016-01-28 | A kind of full top tight filling hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060294.6A CN105626114B (en) | 2016-01-28 | 2016-01-28 | A kind of full top tight filling hydraulic support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105626114A true CN105626114A (en) | 2016-06-01 |
| CN105626114B CN105626114B (en) | 2017-12-22 |
Family
ID=56041404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610060294.6A Expired - Fee Related CN105626114B (en) | 2016-01-28 | 2016-01-28 | A kind of full top tight filling hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105626114B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094153A (en) * | 1976-10-15 | 1978-06-13 | Bochumer Eisenhutte Heintzmann Gmbh & Co. | Breast roof support system for longwall mining |
| SU840386A1 (en) * | 1979-01-04 | 1981-06-23 | Ордена Трудового Красного Знамениинститут Горного Дела Им. A.A.Скочинского | Power roof support unit |
| CN103104273A (en) * | 2012-11-29 | 2013-05-15 | 郑州四维机电设备制造有限公司 | Rear top beam multi-step distance filling hydraulic support |
| CN203515635U (en) * | 2013-04-16 | 2014-04-02 | 山东新煤机械装备股份有限公司 | Combined filling hydraulic frame |
-
2016
- 2016-01-28 CN CN201610060294.6A patent/CN105626114B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094153A (en) * | 1976-10-15 | 1978-06-13 | Bochumer Eisenhutte Heintzmann Gmbh & Co. | Breast roof support system for longwall mining |
| SU840386A1 (en) * | 1979-01-04 | 1981-06-23 | Ордена Трудового Красного Знамениинститут Горного Дела Им. A.A.Скочинского | Power roof support unit |
| CN103104273A (en) * | 2012-11-29 | 2013-05-15 | 郑州四维机电设备制造有限公司 | Rear top beam multi-step distance filling hydraulic support |
| CN203515635U (en) * | 2013-04-16 | 2014-04-02 | 山东新煤机械装备股份有限公司 | Combined filling hydraulic frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105626114B (en) | 2017-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 |