CN202531202U - Connected support used for thin seam coal mining working surface - Google Patents
Connected support used for thin seam coal mining working surface Download PDFInfo
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- CN202531202U CN202531202U CN2011204498431U CN201120449843U CN202531202U CN 202531202 U CN202531202 U CN 202531202U CN 2011204498431 U CN2011204498431 U CN 2011204498431U CN 201120449843 U CN201120449843 U CN 201120449843U CN 202531202 U CN202531202 U CN 202531202U
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- coal
- support
- connected support
- working surface
- coal mining
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Abstract
The utility model discloses a connected support used for a thin seam coal mining working surface comprising a movable pedestal, at least three single hydraulic props, a bidirectional jack, a coal climbing slider, and a metal hinged beam. The metal hinged beam comprises more than one crossbeam, and the crossbeams are movably connected together in an end to end manner. The movable pedestal and the metal hinged beam are parallely arranged in the horizontal direction, and the single hydraulic props are vertically disposed between the movable pedestal and the metal hinged beam. A tail part of the bidirectional jack 5 is fixedly disposed on the movable pedestal by a hinge seat, and a front end of the bidirectional jack is connected to the coal climbing slider 4. The connected support is suitable for the thin seam coal mining working surface. The connected support provided in the utility model does not require the manual disassembly and installation, after the coal mining of one working surface is finished, and the whole connected support can be pushed forward under the action of the bidirectional jack, therefore not only a large amount of manpower but also a lot of time can be saved, and the working efficiency as well as the coal yield can be improved.
Description
Technical field
The utility model relates to a kind of coal-face support post; It comprises a plurality of support posts, so can be called the disjunctor support again.
Background technology
China verified the girdle reserves have 60 surplus hundred million tons (coal seam thickness is less than 1.3m), compare with high seam, girdle mechanical mining difficulty is big, yields poorly, cost is high, ample resources goes out of use or shelves because of technical condition.
On the mining operations face in coal seam, need pillar the end face of production face is carried out supporting, collapse to prevent end face.
The supporting of girdle coal-face develops into hydraulic prop by wooden prop, and the hydraulic prop setting load is big, and support capacity is strong, and is simple to operate, uses hydraulic prop that face roof control is improved greatly, has obtained more general application.But the single weight of hydraulic prop is bigger, though short more pillar weight is light more, the short more work plane mining height of pillar is also short more, and the operator still need bear out sizable muscle power when pillar, prop drawing, and the time of pillar and prop drawing is also longer.Will further improve single face output, reduce the manual labor of pillar, prop drawing, shortening pillar, prop drawing time have become the key of further raising single face output.At present, a lot of hydraulic support manufacturers can both produce and be applicable to the hydraulic support of coal-face as thin as a wafer, the minimum 0.7m that reaches.The part coal seam geological condition is work plane preferably, has gradually adopted hydraulic support.But the hydraulic support price is very expensive, condition of coal seam occurrence is required comparatively harsh; The big transportation of support volume is difficulty very, and in order to satisfy the transportation of support, span length has to widen; Thereby the increase cost of winning, single frame weight support frame is big, transfers the frame difficulty; Hard transportation, it is long to cause work plane to move the time, bigger to producing influence.
The utility model content
In order to overcome the above defective, the utility model provides a kind of brand-new support pattern of a kind of boundary between hydraulic prop and hydraulic support.The use that promptly has a hydraulic prop flexibly, the advantage of convenient transportation, very convenient and operating personnel's manual labor consumes few when hydraulic support carries out pillar, prop drawing simultaneously.
The new t shore form that is applicable to the girdle coal-face of the utility model; Be referred to as " disjunctor support "; This support is similar to the New-support of hydraulic support, and the partial function of hydraulic support is arranged, and the characteristic of hydraulic prop is arranged again; But 5% of the not enough hydraulic support of its price, the utilization advantage is more obvious in ultra-thin coal seam.
The concrete structure of the utility model is:
It comprises movable base 6, hydraulic prop 3, comprises three hydraulic props 3 in more than one hydraulic prop 3 or this disjunctor support at least; Two-way jack 5, climb coal scraper-trough conveyer 4, metal hinge beam 1, metal hinge beam 1 is flexibly connected from beginning to end by the crossbeam more than a section and forms; Movable base 6 and metal hinge beam 1 are placed by horizontal direction parallel; Hydraulic prop 3 vertically is arranged between movable base 6 and the metal hinge beam 1; Two-way jack 5 its afterbodys are fixed on the movable base 6 through hinge seat 7; Two-way jack 5 front ends with climb coal scraper-trough conveyer 4 and be connected, support unit 3 is fixing with metal hinge beam 1 through cutting ferrule 2.
The utility model is applicable to the girdle coal-face.
The disjunctor support of the utility model can need not utilize manual work to go dismounting after the exploitation of accomplishing a work plane, installs, and just can utilize two-way active force in the jin top, and directly integral body is pushed ahead.Etiquette has not been economized a large amount of manpowers like this, has more saved great amount of time, has improved working efficiency and output of coal.
The hydraulic prop of disjunctor support inserts in the pillar column casing, make the hydraulic prop automatically unloading after, can not carry out.The disjunctor support is mixed ramp plate, and directly promoting to climb the coal scraper-trough conveyer can shovel the float coal in old machine road in climbing the coal scraper-trough conveyer automatically, the unnecessary artificial old machine road cleaning float coal that gets into.
The disjunctor supporting structure is simple, and the processing maintenance easily; Little, the in light weight convenient transportation of volume; Being applicable to ultra-thin coal seam gentle dip and inclination coal-face, is the substitute products of ultra-thin coal seam hydraulic support.
Description of drawings
Fig. 1 is the structure chart of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
The operation of disjunctor support is accomplished by two people, and a people is responsible for fluid injection, and another is responsible for anti-support tilt.After the coal cutting, close the pressure relief valve of two-way jack 5 thrust cylinders, open the pressure relief valve of pulling force cylinder; Emulsion is injected in the thrust cylinder of two-way jack 5; The thrust cylinder of two-way jack 5 is stretched out forward, will climb coal scraper-trough conveyer 4 and advance, accomplish and move the preface of sneaking away during work hours to the rib direction.
During prop drawing, with the 3 whole releases of the hydraulic prop on the disjunctor support, metal hinge beam 1 descends automatically, closes two-way jack 5 pulling force cylinder pressure relief valve; Open thrust cylinder pressure relief valve, in the pulling force cylinder, inject emulsion, make two-way jack 5 produce pulling force; It is as you were to climb coal scraper-trough conveyer 4, and the disjunctor support is spurred to the rib direction, after pulling puts in place; In hydraulic prop 3, inject emulsion again, metal is cut with scissors beam 1 support, reach the effect of supported face; Accomplish prop drawing, pillar operation, the emulsion in the thrust cylinder is extruded the thrust cylinder automatically with the action of two-way jack 5 pulling force cylinders.
The method that anti-disjunctor support is toppled over automatically is following:
(1) comparatively hard when the coal-face top board, during not inbreak, anti-support tilt operating personnel can buttress support with hand at adjacent frame, and another people carries out the pillar release and moves the frame operation.
(2) when the coal-face top board is collapsible top, anti-support tilt operating personnel can with rope will be to be moved pillar entangle, with the other end of rope on the pillar of adjacent frame, on one side traversing carriage, put rope on one side, thereby guarantee operating personnel's safety.
(3) when coal-face is utmost point collapsible top, can adopt two disjunctor supports to form one group, carry out step type and move, can guarantee operating personnel's safety.
Combined accompanying drawing that the specific embodiment of the utility model has been carried out exemplary description above, obviously the utility model is not limited thereto, and the various remodeling that in the utility model scope, carry out all do not exceed the protection domain of the utility model.
Claims (4)
1. a disjunctor support that is used for the girdle coal-face is characterized in that, it comprises movable base (6), more than one hydraulic prop (3), two-way jack (5), climbs coal scraper-trough conveyer (4), metal hinge beam (1); Movable base (6) and metal hinge beam (1) are placed by horizontal direction parallel; Hydraulic prop (3) vertically is arranged between movable base (6) and the metal hinge beam (1); Its afterbody of two-way jack (5) is fixed on the movable base (6) through hinge seat (7), two-way jack (5) front end with climb coal scraper-trough conveyer (4) and be connected.
2. a kind of disjunctor support that is used for the girdle coal-face according to claim 1 is characterized in that, support unit (3) is fixing through cutting ferrule (2) and metal hinge beam (1).
3. a kind of disjunctor support that is used for the girdle coal-face according to claim 1 is characterized in that, described metal hinge beam (1) is flexibly connected from beginning to end by the crossbeam more than a section and forms.
4. a kind of disjunctor support that is used for the girdle coal-face according to claim 1 is characterized in that, comprises three hydraulic props (3) in this disjunctor support at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204498431U CN202531202U (en) | 2011-11-15 | 2011-11-15 | Connected support used for thin seam coal mining working surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204498431U CN202531202U (en) | 2011-11-15 | 2011-11-15 | Connected support used for thin seam coal mining working surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531202U true CN202531202U (en) | 2012-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204498431U Expired - Fee Related CN202531202U (en) | 2011-11-15 | 2011-11-15 | Connected support used for thin seam coal mining working surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277127A (en) * | 2013-05-30 | 2013-09-04 | 天地科技股份有限公司 | Ultrathin seam hydraulic support |
| CN106228897A (en) * | 2016-07-29 | 2016-12-14 | 山东大学 | Face prefabricated recycling replacing analog systems and method |
-
2011
- 2011-11-15 CN CN2011204498431U patent/CN202531202U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277127A (en) * | 2013-05-30 | 2013-09-04 | 天地科技股份有限公司 | Ultrathin seam hydraulic support |
| CN106228897A (en) * | 2016-07-29 | 2016-12-14 | 山东大学 | Face prefabricated recycling replacing analog systems and method |
| CN106228897B (en) * | 2016-07-29 | 2018-11-30 | 山东大学 | The prefabricated recycling replacing simulation system of face and method |
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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: 20121114 Termination date: 20131115 |