CN2861489Y - Inside and outside protected pillar extraction hydraulic support - Google Patents
Inside and outside protected pillar extraction hydraulic support Download PDFInfo
- Publication number
- CN2861489Y CN2861489Y CN 200520088198 CN200520088198U CN2861489Y CN 2861489 Y CN2861489 Y CN 2861489Y CN 200520088198 CN200520088198 CN 200520088198 CN 200520088198 U CN200520088198 U CN 200520088198U CN 2861489 Y CN2861489 Y CN 2861489Y
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- jack
- support
- back timber
- interior
- bearing pin
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Abstract
Disclosed is an inside and outside shielded hydraulic pressure support for reclaiming coal column, which comprises an inside support and an outside support connected with the process jack (7). The outside support consists of an outside top beam (1), a shielded beams at both ends (2) and other components; and the inside support consists of a balance Jack (8), an inside top beam (9), an intermediate shielded beam (10) and other components; the inside top beam (1) and the shielded beams at both ends (2) are connected with the balancing jack (8); the top beam (9) and the intermediate shielded beam (10) are connected with the balance jack (8); and the push jack (7) and the outside base (5) and the inside base (13) are connected with pin axis. Based on improvement on the intermediate top beam, the bases, the shielded beams, and the left and right connection rods and other steel pieces, and the corresponding assembly matching with the process jack, the utility model can be used to realize that the support transfers itself, moves straight or turns slowly, steps conveniently, with reliable spacing, and free and wide support channel, effectively controlling coal lump and waste and improving work efficiency, with new structure, it has high strength, strong ability to cut the top, safety and reliability and other features.
Description
Application
The utility model relates in a kind of coal mining the support that supporting roof was used when mine room and pillar mining work plane reclaimed coal column, specifically a kind of inside and outside protected type Pillar Recovery hydraulic support.
Background technology
The room and pillar mining system is adopted in basin, Erdos, Inner Mongolia Autonomous Region more, the room of only the digging up mine post of not mining, and coal recovery rate is about 30%, and large quantities of coal columns is left under the mine, has caused the significant wastage of coal resources.Common colliery longwall face support can utilize transporter-scraper-trough conveyer when the supporting of down-hole, realize trying to stop people from fighting each other-pushing and sliding-move the stages of mining of frame, and down-hole top board and coal wall caving are carried out supporting.And the used various types of comprehensive mining hydraulic brackets of common mine longwall face can't use at the Pillar Recovery work plane.At this phenomenon, for improving the development and utilization of coal resources, these large quantities of abolishment mines are saved in developing, develop at room and pillar mining system Pillar Recovery technology.
Summary of the invention
The purpose of this utility model provides a kind of supporting coal column top board that is used for replacing; the support self of control coal wall caving do not need transporter-scraper-trough conveyer etc. auxiliary move set up execute just can realize support oneself move, straight line moving or shallow turn; effectively control coal cinder, spoil; improve work efficiency; improve the supporting reliability, the inside and outside protected type Pillar Recovery hydraulic support of protection personnel and device security.
The utility model is to realize like this, connected to form by passing jack by inner support, support arm, support arm is made up of connecting rod, two ends lower link, outer base, column, balance jack, face guard, wall supporting jack, anterior lower baffle plate, both sides overhead gage, both sides lower baffle plate on outer back timber, two ends caving shield, the two ends; Inner support by connecting rod on balance jack, interior back timber, middle caving shield, the centre, middle lower link, interior base, column, interiorly go up guard, protect jack on interior and form; Outer back timber adopts bearing pin, backing pin to be connected with the two ends caving shield by balance jack, connecting rod, two ends lower link one end are connected by bearing pin, backing pin with outer base with two ends caving shield, the other end on the two ends, and the column two ends are connected by bearing pin, baffle plate with outer back timber, outer base respectively; Face guard is connected by bearing pin, backing pin by wall supporting jack 1 with outer back timber; All adopt bearing pin, bolt to be connected between anterior lower baffle plate, both sides overhead gage, the both sides lower baffle plate with outer back timber; Interior back timber adopts bearing pin, backing pin to be connected with middle caving shield by balance jack, and connecting rod, middle lower link one end are connected by bearing pin, backing pin with interior base with middle caving shield, the other end on the centre; The column two ends are connected by bearing pin, baffle plate with interior back timber, interior base respectively; The interior guard of going up is connected by bearing pin by protecting jack on interior with interior back timber; Passing jack is connected by bearing pin with outer base, interior base.
The utility model is provided with two passing jack, the purpose that can overcome and avoid the generation of support deviation phenomenon and realization to advance, retreat and shallow turn.
The utility model column can adopt single flexible mechanical extension bar structure or two stretching structure as required.
The utility model is also referred to as the inside and outside protected type Pillar Recovery hydraulic support of ZZ10000/29/62, be by being linked and packed to the improvement of steel construction pieces such as back timber, base, caving shield, left and right sides connecting rod in support innovation and corresponding associated passing jack, to realize this advantage that self moves of support, satisfy the exploitation requirement of Pillar Recovery work plane.In addition, be fast moving and the safety operation requirement of guaranteeing the Pillar Recovery work plane, the passing of the setting stroke of taking a step is 700mm～1200mm, and in the support front, the and arranged on left and right sides face designed independent, general spillplate, prevent that coal cinder enters in the support in the coal pillar mining process.Can improve the supporting reliability greatly like this, reduce resistance, guarantee quick, linear running, the security reliability of protection personnel and equipment.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the structural representation of the utility model band baffle plate;
Fig. 5 is the left view of Fig. 4.
The specific embodiment
As Fig. 1～shown in Figure 5, inner support, support arm connect to form by passing jack 7, and support arm is made up of connecting rod 3, two ends lower link 4, outer base 5, column 6, balance jack 8, face guard 14, wall supporting jack 15, anterior lower baffle plate 18, both sides overhead gage 19, both sides lower baffle plate 20 on outer back timber 1, two ends caving shield 2, the two ends; Inner support by connecting rod 11 on balance jack 8, interior back timber 9, middle caving shield 10, the centre, middle lower link 12, interior base 13, column 6, interiorly go up guard 16, protect jack 17 on interior and form; Outer back timber 1 adopts bearing pin, backing pin to be connected with two ends caving shield 2 by balance jack 8, connecting rod 3, two ends lower link 4 one ends are connected by bearing pin, backing pin with outer base 5 with two ends caving shield 2, the other end on the two ends, and column 6 two ends are connected by bearing pin, baffle plate with outer back timber 1, outer base 5 respectively; Face guard 13 is connected by bearing pin, backing pin by wall supporting jack 15 with outer back timber 1; All adopt bearing pin, bolt to be connected between anterior lower baffle plate 18, both sides overhead gage 19, the both sides lower baffle plate 20 with outer back timber 1; Interior back timber 9 adopts bearing pin, backing pin to be connected with middle caving shield 10 by balance jack 8, and connecting rod 11, middle lower link 12 1 ends are connected by bearing pin, backing pin with interior base 13 with middle caving shield 10, the other end on the centre; Column 6 two ends are connected by bearing pin, baffle plate with interior back timber 9, interior base 13 respectively; In go up guard 16 and interior back timber 9 and be connected by bearing pin by protecting jack 17 on interior; Passing jack 7 and outer base 5, interior base 13 is connected by bearing pin.
Its operating principle: when the underground mining coal column, the first step: by the Pillar Recovery production practice support is placed in coal column both sides or back, manipulation valve group, the outer back timber 1 and the interior back timber 9 that rise support push up face roof; Second step: the exploitation coal column of drilling and blasting; The 3rd step: loader is coaling, and transports and remove the preceding broken cash of broken coal of support; The 4th step: manipulation valve group, fall outer back timber 1, push away support arm for 7 fluid injections of passing jack and move ahead.Interior back timber 9 falls after then rising outer back timber 1 top board, after 7 reverse fluid injections draw inner support to put in place to the passing jack, and back timber 9 in rising, realization is once taken a step.By repeating above-mentioned four job steps, finish moving one's steps of support and continue to exploit to next coal column.
Adopt the utility model by rod end chamber or cylinder chamber fluid injection, realize advancing, retreating two passing jack 7.By control to the fluid injection speed speed of two passing jack 7, stretch out slowly as a passing jack, and another is passed jack and stretches out soon, then support is passed the turning of jack direction to stretching out slow-footed that.By repeating above-mentioned three job steps, finish advancing, retreat and shallowing turn of support.Baffle plate is in light weight, intensity is high, and versatility is good.Owing to be to connect by bearing pin, bolt, make things convenient for the underground labour to dismantle, can arbitrarily fix each baffle plate according to the falling direction of coal cinder.Integral body guarantees that support overcomes, avoids, stops coal cinder, spoil falls into internal stent in the Pillar Recovery recovery process, part of damage is guaranteed personal security and guaranteed that support moves forward fast, purpose safely and efficiently.
The utility model possesses following advantage:
1, the structure of the utility model set cap is inside and outside formula structure, is linked roof bar with overall structure formula back timber design innovation.Outer back timber front portion is a monolithic, and connects the left and right sides, rear portion back timber, is integrated.Interior back timber is a monolithic, and the set cap support force is big, and is strong to top board compliance.
2, the structure of the utility model bracket base also is inside and outside formula structure.With overall structure formula base, design innovation is the combination base.The outer base front portion is a monolithic, and connects the left and right sides, rear portion base, adopts Overbridge device that the left and right sides, rear portion base is integrated.Interior base is a stand alone type.Guarantee intensity, and guaranteed performance is safe and reliable, it is firm to stablize.
3, the utility model caving shield structure design is middle, two ends caving shield, cooperates with linked roof bar is hinged, forms inside and outside formula equally.
4, upper and lower bar linkage structure in the utility model support is designed to two ends, middle upper and lower connecting rod.With two ends, middle caving shield with inside and outside base is hinged cooperates, form the four-bar linkage structure of inside and outside formula jointly respectively.
5, the inside and outside formula of the utility model set cap, base, caving shield, the two ends of two ends, medium spacing, upper and lower connecting rod, middle structure connect by passing jack, have guaranteed that support self just can reach and realize that without any need for assisting to move to set up to execute support is from the purpose of moving.
6, for guaranteeing the utility model support straight line moving, adopted the structure of two passing jack, and behind the base front portion, outer base inner place in being fixed on will to pass the jack two ends.Utilize two passing jack in the reach process, the automatic capturing principle for balance is guaranteed the support straight line moving, overcomes the generation of having avoided deviation phenomenon.
7, the utility model support is in order to ensure back timber, base firm and stable, and the uniformity that supporting intensity is pulled at support arm Zhong Ding, the end in also should guaranteeing as far as possible.Therefore, the structure internal, that support arm is selected identical or different cylinder diameter column for use has strengthened supporting intensity, has guaranteed stability separately, reliability.
8, the utility model support is in order to prevent in the Pillar Recovery recovery process, and the coal cinder after the deep hole blasting enters the passage that results in blockage in the middle of the support, damages trestle component, and serious be to have a strong impact on normally the take a step phenomenon that moves forward of support.For ensuring safety in production, independent, versatility spillplate have all been designed in Pillar Recovery support front portion, and arranged on left and right sides.And can put under the different position prerequisites at coal column according to the Pillar Recovery support, can select one side to install spillplate, reduce support tonnage weight, and stoped that coal cinder, spoil enter in the support in the coal pillar mining process; In addition in order to prevent coal wall caving, in the back timber Front-end Design face guard device, when drilling and blasting, regain face guard, overlap with the front lower baffle plate and stop coal cinder.Can effectively avoid the coal cinder of the place ahead rib to enter in the support.Blow out after the end, in time play face guard, can the supporting green roof.So all improve the supporting reliability greatly, guaranteed the quick reach of support, the safety of protection personnel and equipment.
9, the each unit advance of the utility model support is 1.2m～0.7m, has satisfied the practical operation needs of Pillar Recovery fully, guarantees the advantage of straight line moving again, improves work efficiency, guarantees quality.
10, according to the requirement of down-hole Pillar Recovery height, Pillar Recovery support maximum height is designed to current domestic state-of-the-art height 6.2m, and applicability is good like this, to the popularization of Pillar Recovery, use great versatility, compliance are provided.
11, for guaranteeing safety, the reliability of Pillar Recovery support, adopted the support shield type structure, the scope of heightening is big, and mining height compliance is strong.
12, the column in the support is matched according to the big I of top, base plate height fluctuation value around the coal column under each mine.When the top, when base plate height fluctuation value is not too big, column adopts single flexible mechanical extension bar form of structure, and the column of same cylinder diameter just can strengthen, and has improved the support force of column; When down-hole top, base plate height fluctuation value rise and fall when big, column just adopts two stretching structure forms, improves work efficiency, guarantees safety, the reliability of support.
13, the utility model rack bearing ability is big, and it is strong to cut the top ability, specific pressure evenly and base plate is adapted to strong, impact resistance is big, meet more in the Pillar Recovery exploitation of down-hole, basic top strides.
14, the utility model support adopts the combination base area big, and the underslung structure of support has further increased stability, the reliability of support.
15, the utility model support makes support have double row of channels according to down-hole execute-in-place needs, and passage is free from worry, and support itself has step, flat board, helps personnel's walking, guarantees personal safety, helps guaranteeing safety in production.
16, the utility model is passed the situation of jack according to down-hole Pillar Recovery work plane, and jack installs the position can be in the both sides of inside and outside base or the anterior or inside and outside base both sides first half of inside and outside base.Variously install quick reach and the straight line moving that position and structure all can be guaranteed support, overcome, avoid the generation of deviation phenomenon.Install two jack and can also realize the purpose advancing, retreat and shallow turn.
17, in order to overcome and to avoid inside and outside support in the walking process of taking a step, empty top phenomenon appears, in the design, in inside and outside back timber corresponding position, set up shielding retaining coal, cash device, support is overcome when taking a step to walk and avoid top coal breakage piece, spoil, guarantee the integrity of personal safety and equipment.
18, the utility model is flexible, independence is high, or puts one, two or many side by side in all around of coal column either side to adapt to various environment according to the down-hole situation, ensures safety in production.
19, as being the supporting safety, reliable of further center rest, also optional distribution liquid control system reaches adjacent frame or remote operated purpose.
20, the utility model support moves for ease of down-hole carrying, displacement etc., can adopt the form of barrow, or the upper and lower baffle plate of front portion or both sides can be unloaded down because of the limitation of conditions, and also inside and outside support can be taken apart, its advantage is: the inside and outside support that (1) separates still can keep stable structure; (2) weight support frame than equal height alleviates greatly, is convenient to move; (3) easy to loading and unloading, easy operating.
The inside and outside formula protected type of the utility model ZZ10000/29/62 Pillar Recovery is from the important technological parameters of moving hydraulic support one Pillar Recovery frame type II:
The utility model is by facts have proved, the utilization rate that can improve coal resources is 80%, demonstrated fully this novel structure, reasonable, the intensity height, cut the strong advantage of top ability, draw and improve the protection advantage that has enlarged fully mechanized mining supporter, this is executed without any need for assisting to move to set up to have realized support, just can realize walking voluntarily, taking a step moving forward, and have the characteristics than fully mechanized mining supporter flexible operation.Alleviate labor strength, guaranteed safety, reliability, flexibility, versatility, the compliance of support.
Claims (2)
1, a kind of inside and outside protected type Pillar Recovery hydraulic support, it is characterized in that: connected to form by passing jack (7) by inner support, support arm, support arm is made up of connecting rod (3), two ends lower link (4), outer base (5), column (6), balance jack (8), face guard (14), wall supporting jack (15), anterior lower baffle plate (18), both sides overhead gage (19), both sides lower baffle plate (20) on outer back timber (1), two ends caving shield (2), the two ends; Inner support by connecting rod (11) on balance jack (8), interior back timber (9), middle caving shield (10), the centre, middle lower link (12), interior base (13), column (6), interiorly go up guard (16), protect jack (17) on interior and form; Outer back timber (1) adopts bearing pin, backing pin to be connected with two ends caving shield (2) by balance jack (8), connecting rod on the two ends (3), two ends lower link (4) one ends are connected by bearing pin, backing pin with outer base (5) with two ends caving shield (2), the other end, and column (6) two ends are connected by bearing pin, baffle plate with outer back timber (1), outer base (5) respectively; Face guard (13) is connected by bearing pin, backing pin by wall supporting jack (15) with outer back timber (1); All adopt bearing pin, bolt to be connected between anterior lower baffle plate (18), both sides overhead gage (19), the both sides lower baffle plate (20) with outer back timber (1); Interior back timber (9) adopts bearing pin, backing pin to be connected with middle caving shield (10) by balance jack (8), and connecting rod on the centre (11), middle lower link (12) one ends are connected by bearing pin, backing pin with interior base (13) with middle caving shield (10), the other end; Column (6) two ends are connected by bearing pin, baffle plate with interior back timber (9), interior base (13) respectively; The interior guard (16) of going up is connected by bearing pin by protecting jack (17) on interior with interior back timber (9); Passing jack (7) is connected by bearing pin with outer base (5), interior base (13).
2, according to the said inside and outside protected type Pillar Recovery hydraulic support of claim 1, it is characterized in that: be provided with two passing jack (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088198 CN2861489Y (en) | 2005-10-22 | 2005-10-22 | Inside and outside protected pillar extraction hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088198 CN2861489Y (en) | 2005-10-22 | 2005-10-22 | Inside and outside protected pillar extraction hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2861489Y true CN2861489Y (en) | 2007-01-24 |
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ID=37659118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520088198 Expired - Fee Related CN2861489Y (en) | 2005-10-22 | 2005-10-22 | Inside and outside protected pillar extraction hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2861489Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2005
- 2005-10-22 CN CN 200520088198 patent/CN2861489Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103104273B (en) * | 2012-11-29 | 2016-03-23 | 卡特彼勒（郑州）有限公司 | After a kind of, back timber multi-pace fills hydraulic support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG TAIAN COAL MINE MACHINERY CO., LTD. Free format text: FORMER OWNER: TAIAN MACHINERY PLANT, SHANDONG COAL MINE Effective date: 20070803 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070803 Address after: 271000 Shandong city of Tai'an province high tech Zone with Tianmen street to the east of Nanfeng Road Patentee after: SHANDONG TAIAN COAL MINING MACHINERY CO., LTD. Address before: 271000 No. 1, Lingshan Avenue, Tai'an, Shandong Patentee before: Taian Machinery Factory, Shandong Coal Mine |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070124 Termination date: 20131022 |