CN202690100U - Diamond-shaped hydraulic support for pitching oblique mining working face in steeply inclined seams - Google Patents
Diamond-shaped hydraulic support for pitching oblique mining working face in steeply inclined seams Download PDFInfo
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- CN202690100U CN202690100U CN 201120367382 CN201120367382U CN202690100U CN 202690100 U CN202690100 U CN 202690100U CN 201120367382 CN201120367382 CN 201120367382 CN 201120367382 U CN201120367382 U CN 201120367382U CN 202690100 U CN202690100 U CN 202690100U
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Abstract
The utility model relates to a diamond-shaped hydraulic support for a pitching oblique mining working face in steeply inclined seams. The diamond-shaped hydraulic support is characterized in that the hydraulic support consists of a roof beam, a base, a shield beam, a four-bar stabilizing mechanism and two upright columns, wherein the four-bar stabilizing mechanism is divided into a front part and a rear part; the two upright columns are staggered fore and aft; both the roof beam and the base of the support are of diamond-shaped structures; the rear end of the roof beam is hinged with the shield beam; and the shield beam is hinged with a connecting rod and the base, and is divided into a left part and a right part which are adaptive to the roof beam and four rods. The diamond-shaped hydraulic support for the pitching oblique mining working face in the steeply inclined seams is adjustable in whole center distance along with the chute of a conveyor, is simple and compact in structure, is light in weight and favorable for moving and transportation, has the functions of supporting side surrounding rocks and the roof plate of the working face, and belongs to hydraulic supports for shielding and supporting.
Description
Technical field
The present invention relates to coal mine underground coal-face comprehensive mechanical coal mining support apparatus technical field, belong to a kind of support apparatus of steeply-inclined seam mining work plane.
Background technology
The half-edge coal seam occurrence condition is complicated, and mine quantity is many, and the exploitation difficulty is large, and serious accident easily occurs.In December, 2006, state coal Supervisory Bureau actively pushes forward the coal winning technology reform for the lesson that major accident occurs in the difficult seam mining, eliminates to fall behind coal excavation apparatus, further improves half-edge coal seam Technology of Safety Mining and equipment.For violating " safety regulations in coal mine ", the various informal coal-mining method and the equipment that do not reach safety requirements are stopped using, and progressively eliminate wooden prop and metal mainstay supporting.China's half-edge coal seam is widely distributed, particularly in southwest, the East China coal reserves occupies absolute ratio especially, the exploitation of half-edge coal seam for solve mining area exploitation continue contradiction or Mining Protective Seam, raising resource recovery ratio, to alleviate regional coal disparities between supply and demand significant.The most domestic mining area, for example Panzhihua Mining Area, Guang Wang mining area, Nan Tong mining area, Chongqing City, mining area, the self-sufficient and strategically located region, there are a large amount of half-edge coal seams more than 45 ° in the large section mining areas in Huating Gansu mining area, mining area, Jingyuan, Guizhou etc.These mining areas all do not have to adopt comprehensive adopting to the coal seam of the high inclination-angle more than 45 °, yield poorly, and labor strength is large, poor stability.
Therefore, the research adaptation becomes the task of top priority greater than the single longwall full-mechanized mining technique technology of moving towards of girdle at 45 ° of inclination angles.Steeply-inclined seam mining working space angle of inclination is large, and the equipment back skating is dangerous large, and the coal mine waste rock potential threat such as splash is large, and its special difficulty is arranged; And seam construction is complicated, and fold, tomography have both at the same time, and operating environment is abominable, production safety hidden danger is many, and the comprehensive difficulty of adopting is large, and is high especially to the requirement of plant equipment compliance, is difficult to use existing fully-mechanized mining equipment supporting.Generally adopt at present timber, the behindhand types such as monomer carry out supporting, and personal security is difficult to assurance, and coal-mining method falls behind, and adopt conventional equipment method exploitation half-edge coal seam very difficult.Research and development can be applied to the fully-mechanized mining equipment of half-edge coal seam, realize that its comprehensive mechanical coal mining has Great significance to ensureing underground labour's safety, raising coal production.
Facts have proved, the key of steeply-inclined seam mining is the compliance of equipment; Because the steeply-inclined seam mining work plane is high to the compliance requirement of coal mine machinery equipment, difficulty is large, existing equipment can't meet the demands.The exploitation of half-edge coal seam rhombus hydraulic support can change the current mining of half-edge coal seam, and the effective and reasonable coal resources that utilize meet the requirement of building a conservation-minded society, and the development of this invention has been filled up China's half-edge coal seam and combined that to adopt the supporting field blank.
Summary of the invention
For adapting to the half-edge coal seam pseudo-tiltedly coal winning technology characteristics of arrangement of bowing, by the research of comprehensive mining hydraulic bracket force-bearing situation under face surrounding rock movement characteristic and the control law thereof, invent a kind of steeply-inclined seam mining work plane rhombus hydraulic support.Described rhombus support combine closely coal-mining method and coordinative composition of equipments characteristics are split as two parts with four traditional connecting rod stabilizing mechanisms, are diamond structure with back timber and base designs simultaneously, form stable beam-ends distance and pedestrian space.The invention is characterized in: the four-bar linkage structure of hydraulic support is split as front and back two parts, and the changing of the relative positions are arranged before and after two columns; Be diamond shape with back timber and base designs simultaneously.Two parts before and after the back timber of support and the hinge hole of caving shield are split as, caving shield is split-type structural, the hinge hole of base and front-rear linkage is split as the front and rear part.Like this, the quadric chain that the rock-steady structure of rhombus hydraulic support is staggered by front and back consists of, so that the back timber diamond shaped is conducive to reduce hydraulic support top beam supporting area, improves supporting intensity.The rhombus base has increased the base plate contact area, and structure adaptability is strong, good stability.Because the half-edge coal seam medium-height trestle is subject to coming from the effect of top, work plane rear portion spoil all the time, before and after the quadric chain that staggers can effectively stop under the pseudo-slanted bar spare of bowing top, rear portion spoil to the impact of support, so that support is supporting and is moving two states of frame, the active force that acts on its rear portion protected apron can both effectively be born by column, prevents that bracket upright post is because bearing the effect failure of oblique pulling.Whole frame system motion is flexible, and automaticity is high, and handiness is laborsaving, high efficiency.
In the steeply-inclined seam mining process, seam inclination reaches 55～69 °, and rib downward inclination component in work plane top is larger, easily causes Lou top or coal wall caving, direction personal security under the spoil coal cinder serious threat work plane that tumbles.
The rhombus hydraulic support is for adapting to the half-edge coal seam pseudo-tiltedly production practice of bowing, when the fully-mechanized mining working coordinative composition of equipments, taken into full account the dimensional fits relation of equipment room, carry out the spoil protection of cutting between eye and the work plane, for work plane provides safe and reliable working space.In half-edge coal seam was bowed pseudo-technique of tiltedly exploiting, the rhombus support need to be finished from bottom to up and sequentially move frame, required the conveyer level to advance, and must not glide, and also will overcome the drag conveyor play that pushing and sliding produce.Simultaneously, half-edge coal seam is bowed, and pseudo-tiltedly exploitation work plane is different with rhombus hydraulic support adaptation high_dipping face inclination angle, the geology characteristic of work plane fluctuations, can keep the constant distance of face roof under control.Supporting structure is simply compact, lightweight, is beneficial to and moves frame and transport operation.Support has the dual-use function of supporting side country rock and supported face top board, belongs to shielding, supporting type hydraulic support.
Description of drawings
Fig. 1 is the rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam structural representation
Fig. 2 is the base vertical view of rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam
Fig. 3 is the back timber top view of rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam
Fig. 4 is that rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam comprehensive adopted supporting top view
Fig. 5 is back timber and the column assembling schematic diagram of rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam
Wherein 1: back timber, 2: column, 3: the balance adjustment oil cylinder, 4: caving shield, 5: base, 6: front rod, 7: back link, 8: conveyer is regulated oil cylinder, 9: side guard board.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, shown in Figure 5: the half-edge coal seam pseudo-tiltedly exploitation work plane half-edge coal seam rhombus hydraulic support of bowing, mainly comprise respectively hinged back timber 1 and base 5 of column 2 and two ends thereof, column 2 makes the maximum height of support reach designing requirement.Layout is opened in 2 one-tenth front and back two misarrangements of 2 root posts; Fig. 2 and Fig. 3 are base and the back timber top view of rhombus hydraulic support, and back timber and base all are designed to diamond structure, hinged with it about four connecting rod stabilizing mechanisms thereupon the changing of the relative positions be the front and rear part.Back timber and base are arranged the maximization that realizes supporting intensity by means of the front and back changing of the relative positions of four connecting rod rock-steady structures, effectively stop simultaneously top spoil scurrying in moving the frame process.Caving shield 4 sidepieces are provided with side guard board 9, for sealing and anti-down between frame; Conveyer is regulated oil cylinder 8 and is realized the adjustment of conveyer antiskid position; Fig. 4 is that rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam comprehensive adopted supporting top view.
Rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam is except having common four connecting rods shielding hydraulic support characteristic and performance, also realize the adjustment of support state by the balance adjustment oil cylinder 3 that is articulated in back timber and caving shield, strengthened the intensity of stabilizing mechanism, the rhombus back timber can guarantee stable beam-ends distance, prevents the wall caving roof fall; The rhombus base has kept the unimpeded of the anterior walkway of hydraulic support, has increased the face-airing section, has reduced windage, has been the face gas dilution, and enhancing productivity provides basic guarantee, is conducive to realize the safe and efficient production of work plane.
Claims (2)
1. rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam, it is characterized in that: hydraulic support is comprised of back timber, base, caving shield, four connecting rod stabilizing mechanisms and column, two parts before and after four connecting rod rock-steady structures are split as, the changing of the relative positions is arranged before and after two columns; Set cap and base all are designed to diamond structure, and top beam rear end and caving shield are hinged, and caving shield and connecting rod, base are hinged, and caving shield is split as the left and right sides two parts Split type structure that adapts to back timber and four connecting rods; The rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam integral central is apart from adjusting with the conveyer chute.
2. rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam as claimed in claim 1, it is characterized in that: the rhombus back timber of support and base can cooperate coal-winning machine, drag conveyor to be in tilted layout, thereby form stable beam-ends distance and consistent pedestrian space.
3. rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam as claimed in claim 1 is characterized in that: be articulated in middle part or both sides that balance adjustment oil cylinder between back timber and caving shield is arranged in the rhombus support.
4. rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam as claimed in claim 1 is characterized in that: described half-edge coal seam rhombus comprehensive mining hydraulic bracket back timber and caving shield arranges one-sided or the bilateral side guard board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120367382 CN202690100U (en) | 2011-09-30 | 2011-09-30 | Diamond-shaped hydraulic support for pitching oblique mining working face in steeply inclined seams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120367382 CN202690100U (en) | 2011-09-30 | 2011-09-30 | Diamond-shaped hydraulic support for pitching oblique mining working face in steeply inclined seams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202690100U true CN202690100U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120367382 Expired - Fee Related CN202690100U (en) | 2011-09-30 | 2011-09-30 | Diamond-shaped hydraulic support for pitching oblique mining working face in steeply inclined seams |
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| CN (1) | CN202690100U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459780A (en) * | 2020-10-27 | 2021-03-09 | 新疆矿源重工科技有限公司 | Fully-mechanized mining method for highly-inclined coal seam horizontal support |
| CN112459821A (en) * | 2020-10-27 | 2021-03-09 | 新疆矿源重工科技有限公司 | Horizontal hydraulic support for inclined side of steeply inclined coal seam |
-
2011
- 2011-09-30 CN CN 201120367382 patent/CN202690100U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459780A (en) * | 2020-10-27 | 2021-03-09 | 新疆矿源重工科技有限公司 | Fully-mechanized mining method for highly-inclined coal seam horizontal support |
| CN112459821A (en) * | 2020-10-27 | 2021-03-09 | 新疆矿源重工科技有限公司 | Horizontal hydraulic support for inclined side of steeply inclined coal seam |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20140930 |
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| EXPY | Termination of patent right or utility model |