CN201170102Y - Inclined-false telescopic support type flexible shield support of high-dipping coal bed - Google Patents
Inclined-false telescopic support type flexible shield support of high-dipping coal bed Download PDFInfo
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- CN201170102Y CN201170102Y CNU2008201035489U CN200820103548U CN201170102Y CN 201170102 Y CN201170102 Y CN 201170102Y CN U2008201035489 U CNU2008201035489 U CN U2008201035489U CN 200820103548 U CN200820103548 U CN 200820103548U CN 201170102 Y CN201170102 Y CN 201170102Y
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- flexible type
- type shield
- shield
- girder steel
- coal seam
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Abstract
The utility model relates to a pseudo-inclined telescopic supporting type flexible type shield for a steeply sloping coal layer, belonging to the improvement of supporting structure of the flexible type shield for exploiting the steeply sloping coal layer. Fixed connected transverse steel beams are uniformly distributed on at least two wire ropes. At least two layers of covering shielding article are fixedly arranged on the uniformly distributed steel beams. Telescopic plate devices are uniformly distributed on the bottom side of the flexible type shield. The telescopic plate devices are telescopic plates which are uniformly distributed on one end of the flexible type shield. The outer ends of the telescopic plates are connected with a hydraulic oil cylinder piston rod which is arranged on the bottom plate side of the steel beam through fixedly connected connecting plates. Uniformly distributed single body hydraulic props respectively support the steel beams. The flexible type shield improves the work environment, and is highly suitable for the variations of the thickness of coal layer and the inclination. The settling of the shield is convenient. The problem of shield locking is basically solved. Enough ventilation section of the working face is ensured, and mechanized mining can be realized.
Description
Technical field
The utility model belongs to the pseudo-tiltedly retractable supports formula flexible type shield of improvement, particularly half-edge coal seam of exploitation half-edge coal seam support frame structure.
Background technology
The Xinjiang coal reserves accounts for 40% of national coal reserves, and wherein about 50% is half-edge coal seam, and the mining area, South Sinkiang almost is half-edge coal seam entirely, and also compose in 80% mining area, China south has half-edge coal seam.How to exploit half-edge coal seam for many years cost-effectively, be the difficult problem in the mining technique always, caused the attention of national departments concerned.For a long time, people have made unremitting effort to this, studied successfully flexible type shield.Yet because this support relies on down trapezoidal rib to support, the ventilation section is little, and operating environment is poor; Supporting structure is fixed, and coal seam thickness, inclination angle are changed bad adaptability; The card frame problem of can't settling a dispute by the parties concerned themselves; And be difficult to realize fully-mechanized mining.
Summary of the invention
The purpose of this utility model is to provide a kind of half-edge coal seam pseudo-tiltedly retractable supports formula flexible type shield, can improve operating environment, it is strong that coal seam thickness, inclination angle are changed compliance, and support is transferred conveniently, guarantee that work plane has enough ventilation sections, can realize mechanical mining.
The purpose of this utility model is achieved in that the pseudo-tiltedly retractable supports formula flexible type shield of a kind of half-edge coal seam, comprise flexible type shield, flexible type shield is uniform affixed a laterally girder steel at least two wire rope, on uniform girder steel, fixedly installing two-layer at least shielding shelter, at the uniform expansion plate device that is installed with of the base plate side of flexible type shield, the expansion plate device is the uniform expansion plate that is installed in an end above the flexible type shield, its outer end is connected with hydraulic cylinder piston rod on being installed in girder steel base plate side by affixed junction plate respectively, and uniform hydraulic prop is supporting girder steel respectively.
For adapting to Coal Seam Thickness Change, on the flexible type shield basis, develop retractable supports formula flexible type shield.Concrete grammar is: the base plate end at the girder steel that the hydraulic prop supporting is arranged is provided with hydraulic jack, expansion plate, and by junction plate the two is connected as a single entity.Decorate in groups of holders, change characteristics, determine the initial position (by the control of oil cylinder stroke) of expansion plate according to the coal seam.When squeeze, shrink expansion plate; When bellying, stretch out constriction plate, to adapt to Coal Seam Thickness Change.Transfer in the process at support, support be subjected to self and on cover the spoil action of gravity and move down, the base plate end of support easily is stuck on the base plate usually, by shrinking near the hydraulic jack at stuck point place (or); Or, stuck point is done to the relatively moving of top board by supporting the hydraulic jack adjacent with stuck point, solve card frame problem according to this.The work plane that pseudo-tilted direction is arranged along the coal seam and the angle of horizontal plane are generally at 26 °-30 °.
The girder steel of flexible type shield is every the 3-5 root, and two ends are that the hydraulic prop of 1-1.8m carries out supporting with the supporting scope.
Generally, near the flexible type shield the coal-winning machine difficulty is transferred, and for this reason, on the coal-winning machine special hydraulic system can be set, and is used for transferring of flexible type shield.
With the purpose that hydraulic prop carries out supporting to flexible type shield, be to guarantee that operating personnel and coal-winning machine have working space on the one hand; On the other hand, after the back production band had been adopted, by the supporting of hydraulic prop, guaranteeing had enough ventilation sections, guaranteed the wind supply quantity of work plane.
The transportation lane is crossed in fresh wind circulation, the eye that ventilates etc. enters working space; Weary wind is got rid of by vent passages, flexible type shield assembling point, the return airway of work plane top.
In the tunneling process of exploiting field, after haulage way and tailgate are dug the border, apart from section boundary 5m place pick open-off cut.Open-off cut generally should be dug two, and at a distance of 5-8m, and across strike connects with cut-off every 10-15m.After open-off cut connects tailgate, the utility model shield support is installed in tailgate.The utility model shield support that utilizes these two open-off cuts progressively level to be laid is transferred to the pseudo-tiltedly stope that becomes 26 ° of-30 ° of angles with horizontal plane.Coal-winning machine is installed in stope, the coal body between cutterhead Rotate 180 ° (or adopting the lane to adopt mode) extraction open-off cut is formed the machine nest, the coal body in work plane the place ahead is exploited with coal-winning machine, until forming regular work face.In the time of near the district rise eye is arrived in the advance of the face, dig a pair of receipts at this place and make eye, progressively be in a horizontal position below the utility model shield support, dismounting, decomposition coal-winning machine are transported to next stope, all reclaim flexible type shield then.
The utility model has improved working environment, and it is strong that coal seam thickness, inclination angle are changed compliance, and support is transferred conveniently, has solved the problem of card frame substantially, has guaranteed that work plane has enough ventilation sections, has realized mechanical mining.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the pseudo-tiltedly retractable supports formula flexible type shield mounting arrangement structural representation of half-edge coal seam;
Fig. 2 overlooks the local section structural representation for scalable flexible type shield;
Fig. 3 is the structural representation of looking up of Fig. 2;
Fig. 4 is the right TV structure schematic diagram of Fig. 2.
The specific embodiment
The pseudo-tiltedly retractable supports formula flexible type shield of a kind of half-edge coal seam, as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, flexible type shield 1 is uniform affixed a laterally girder steel 3 at least two wire rope 5, is fixedly installing two-layer at least shielding shelter 6 on uniform girder steel 3.Girder steel 3 is made of U shaped steel.For the ease of the fortune dress, the length of every girder steel 3 is difficult for surpassing 3m.When coal seam thickness during greater than 3m, two girder steels, 3 overlap joints can be constituted the girder steel 3 of length greater than 3m, when the coal seam was thick again, also available 3 girder steels, 3 butt joints added the method that the shoulder beam reinforces and constitute compound beam.The radical of wire rope 5 is the 2-5 root on the shield support, and the shield support width is when 3m is following, and wire rope 5 is the 2-3 root; The shield support width is when 3m is above, and wire rope is the 4-5 root.Affixed the lumps of wood 4 between girder steel 3 laterally uniform on the wire rope 5, making the spacing between the adjacent girder steel 3 is 200-300mm, with bolt and clamping plate girder steel 3 and wire rope 5 is linked into an integrated entity.Fixedly installing two-layer at least shielding shelter 6 on uniform girder steel 3, shielding shelter 6 is bamboo basketry or wire lath.On shielding shelter 6, be provided with and pressing wood 10, will screen shelter 6 and girder steel 3 to be fixed together, to isolate the spoil in goaf with iron wire.The width of shielding shelter 6 is less than the length of girder steel 3, and when avoiding support to transfer, shielding shelter 6 tangles top board and drawn back and leak the cash phenomenon.At the uniform expansion plate device that is installed with of the base plate side of flexible type shield 1, the expansion plate device is the uniform expansion plate 8 that is installed in an end above the flexible type shield 1, its outer end is connected with hydraulic jack 7 piston rods on being installed in girder steel 3 base plates by affixed junction plate 9 respectively, and uniform hydraulic prop 2 is supporting girder steel 3 respectively.The junction plate 9 that the outer end of every expansion plate 8 is affixed, its both sides are connected with the piston rod of the hydraulic jack 7 of two symmetries respectively, and uniform hydraulic prop 2 is supporting girder steel 3 respectively.
Claims (5)
1, the pseudo-tiltedly retractable supports formula flexible type shield of a kind of half-edge coal seam, comprise flexible type shield (1), it is characterized in that: flexible type shield (1) is for going up uniform affixed laterally girder steel (3) at least two wire rope (5), on uniform girder steel (3), fixedly installing two-layer at least shielding shelter (6), at the uniform expansion plate device that is installed with of the base plate side of flexible type shield (1), the expansion plate device is the uniform expansion plate (8) that is installed in an end above the flexible type shield (1), its outer end is connected with hydraulic jack (7) piston rod on being installed in girder steel (3) base plate by affixed junction plate (9) respectively, and uniform hydraulic prop (2) is supporting girder steel (3) respectively.
2, the pseudo-tiltedly retractable supports formula flexible type shield of half-edge coal seam according to claim 1, it is characterized in that: the radical of wire rope (5) is the 2-5 root.
3, the pseudo-tiltedly retractable supports formula flexible type shield of half-edge coal seam according to claim 1 is characterized in that: affixed the lumps of wood (4) between the girder steel (3), the spacing between the adjacent girder steel (3) is 200-300mm.
4, the pseudo-tiltedly retractable supports formula flexible type shield of half-edge coal seam according to claim 1, it is characterized in that: shielding shelter (6) is bamboo basketry or wire lath.
5, the pseudo-tiltedly retractable supports formula flexible type shield of half-edge coal seam according to claim 1 is characterized in that: the junction plate (9) that the outer end of every expansion plate (8) is affixed, its both sides are connected with the piston rod of the hydraulic jack (7) of two symmetries respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201035489U CN201170102Y (en) | 2008-03-26 | 2008-03-26 | Inclined-false telescopic support type flexible shield support of high-dipping coal bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201035489U CN201170102Y (en) | 2008-03-26 | 2008-03-26 | Inclined-false telescopic support type flexible shield support of high-dipping coal bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201170102Y true CN201170102Y (en) | 2008-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201035489U Expired - Fee Related CN201170102Y (en) | 2008-03-26 | 2008-03-26 | Inclined-false telescopic support type flexible shield support of high-dipping coal bed |
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| CN (1) | CN201170102Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562066A (en) * | 2012-01-16 | 2012-07-11 | 袁野 | Method for mechanically mining coal by using steep seam pseudo inclination bracing type retractable flexible shield support |
| CN102996129A (en) * | 2012-08-31 | 2013-03-27 | 康健 | Coal mining method for common section haulage roadway of ultra-close thin coal seams |
| CN105525919A (en) * | 2014-09-29 | 2016-04-27 | 四川省华蓥山煤业股份有限公司绿水洞煤矿 | Steeply inclined fully-mechanized mining face open-off cut enlarging and equipment installation crossing operation method |
| CN110847941A (en) * | 2019-10-28 | 2020-02-28 | 西安科技大学 | Flexible advanced combined hydraulic support protecting net device for deep dynamic pressure tunnel |
| CN112483091A (en) * | 2020-12-30 | 2021-03-12 | 中国矿业大学(北京) | Mining system and mining method for steeply inclined coal seam mining area pseudo-dip-inclined arrangement |
-
2008
- 2008-03-26 CN CNU2008201035489U patent/CN201170102Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562066A (en) * | 2012-01-16 | 2012-07-11 | 袁野 | Method for mechanically mining coal by using steep seam pseudo inclination bracing type retractable flexible shield support |
| CN102562066B (en) * | 2012-01-16 | 2013-11-13 | 袁野 | Method for mechanically mining coal by using steep seam pseudo inclination bracing type retractable flexible shield support |
| CN102996129A (en) * | 2012-08-31 | 2013-03-27 | 康健 | Coal mining method for common section haulage roadway of ultra-close thin coal seams |
| CN105525919A (en) * | 2014-09-29 | 2016-04-27 | 四川省华蓥山煤业股份有限公司绿水洞煤矿 | Steeply inclined fully-mechanized mining face open-off cut enlarging and equipment installation crossing operation method |
| CN110847941A (en) * | 2019-10-28 | 2020-02-28 | 西安科技大学 | Flexible advanced combined hydraulic support protecting net device for deep dynamic pressure tunnel |
| CN112483091A (en) * | 2020-12-30 | 2021-03-12 | 中国矿业大学(北京) | Mining system and mining method for steeply inclined coal seam mining area pseudo-dip-inclined arrangement |
| CN112483091B (en) * | 2020-12-30 | 2022-03-15 | 中国矿业大学(北京) | Mining system and mining method for steeply inclined coal seam mining area pseudo-dip-inclined arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081224 Termination date: 20110326 |