CN206581963U - Automatic step moving hydraulic support - Google Patents
Automatic step moving hydraulic support Download PDFInfo
- Publication number
- CN206581963U CN206581963U CN201720204028.6U CN201720204028U CN206581963U CN 206581963 U CN206581963 U CN 206581963U CN 201720204028 U CN201720204028 U CN 201720204028U CN 206581963 U CN206581963 U CN 206581963U
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- CN
- China
- Prior art keywords
- back timber
- hydraulic
- side back
- hydraulic prop
- crossbeam
- 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.)
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Abstract
The utility model provides a kind of automatic step moving hydraulic support, it is characterised in that:With back timber in the middle of one, the both sides of middle back timber have a side back timber respectively;There is hydraulic drive cylinder, the front end of hydraulic drive cylinder is connected with middle back timber, and the rear end of hydraulic drive cylinder is connected with side back timber between every side back timber and middle back timber;With back timber hydraulic prop in the middle of even-even, the top of back timber hydraulic prop is connected to back timber in the middle of the two ends of back timber crossbeam in the middle of one, the middle part connection of middle back timber crossbeam in the middle of each pair;With even number opposite side back timber hydraulic prop, the two ends of a side back timber crossbeam are connected to per the top of opposite side back timber hydraulic prop, the two ends of side back timber crossbeam are connected with the side back timber of both sides respectively.The utility model is a kind of safety and is easy to the step moving hydraulic support of movement.
Description
Technical field
The utility model belongs to a kind of winning equipment, more particularly to one kind adopts face ore deposit pressure hydraulic support.
Background technology
Hydraulic support is the works for controlling coal-face mine pressure.Adopt the form effect carried beyond the ore deposit pressure of face
On hydraulic support.In hydraulic support and adopt in the mechanical system of face country rock interaction, if each supporting member of hydraulic support is closed
The outer load that power and top plate are acted on hydraulic support is made a concerted effort just same straight line, then that face country rock is adopted to this is very suitable for the hydraulic support
Should.
Due in three-soft seam recovery process, termination sky top area is big, stress concentration, and existing support pattern is not
The requirement of safety in production can be met, supporting need to be carried out with a kind of special support big with supporting intensity height, supporting area.Mesh
Preceding step type face end support has bottom girder and back timber, and bottom girder and back timber have hydraulic drive cylinder, this to have bottom girder hydraulic support
Operated, moved by bottom girder control back timber, a lateral brace displacement forward, another lateral brace is again toward previous using step type
Individual displacement, and complete whole displacement.
Bottom girder by reason of heavy pressure, coal seam it is soft, be often embedded in lower tens centimeters of coal, cleaning is difficult, cause bottom when promoting
Beam, pillar, the damage of propelling hydraulic cylinder happen occasionally, and later stage operation and maintenance is extremely inconvenient.
Utility model content
The utility model provides a kind of automatic step moving hydraulic support, the purpose is to solve the shortcoming of prior art presence, carries
For a kind of safety and be easy to movement step moving hydraulic support.
The utility model solves the technical scheme that its technical problem used:
A kind of automatic step moving hydraulic support, it is characterised in that:With back timber in the middle of one, the both sides of middle back timber have respectively
There is a side back timber;There is hydraulic drive cylinder, the front end of hydraulic drive cylinder is between every side back timber and middle back timber
Between back timber connect, the rear end of hydraulic drive cylinder is connected with side back timber;With back timber hydraulic prop in the middle of even-even, in the middle of each pair
The top of back timber hydraulic prop is connected in the middle of the two ends of back timber crossbeam in the middle of one, the middle part connection of middle back timber crossbeam
Back timber;With even number opposite side back timber hydraulic prop, a side is connected to per the top of opposite side back timber hydraulic prop
The two ends of back timber crossbeam, the two ends of side back timber crossbeam are connected with the side back timber of both sides respectively.
Middle back timber hydraulic prop and side back timber hydraulic prop are arranged at intervals from front to back along middle back timber direction.
It is of the present utility model to be beneficial in that:
The utility model reduces bottom girder, and advancing velocity is fast;Automatic step moving hydraulic support operation flexibly, conveniently, practical, peace
Entirely, reliably, the supporting intensity of outlet is improved, the generation of face end roof accident is reduced, the arrangement of fluid pressure line is more
Plus it is reasonable, reduce abrasion with it is disrumpent feelings.Simultaneously use modularized design, it is easy to I&M, it is simple to operate, alleviate work
The labor intensity of people.Every economic and technical norms have reached design requirement, realize safety in production,
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the utility model schematic side view;
Fig. 2 is Fig. 1 D direction views;
Fig. 3 is Fig. 1 E direction views.
Embodiment
In order to illustrate more clearly of the technical solution of the utility model, the required accompanying drawing used in description will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for this area
For those of ordinary skill, on the premise of not paying creative work, other implement can also be obtained according to these accompanying drawings
Example.
As shown in Figure 1, Figure 2, Figure 3 shows:
The utility model has three parallel back timbers, includes a 460mm × 140mm middle back timber B, middle back timber
B both sides have a side back timber A and side back timber C respectively.
There is hydraulic drive cylinder 100, the front end of hydraulic drive cylinder 100 between side back timber A and middle back timber B(Namely liquid
The leading section of depression bar)It is connected with middle back timber B, the rear end of hydraulic drive cylinder 100(Namely hydraulic cylinder bottom)Connect with side back timber A
Connect.
There is hydraulic drive cylinder 200, the front end of hydraulic drive cylinder 200 between side back timber C and middle back timber B(Namely liquid
The leading section of depression bar)It is connected with middle back timber B, the rear end of hydraulic drive cylinder 200(Namely hydraulic cylinder bottom)Connect with side back timber C
Connect.
Following middle back timber hydraulic props and side back timber hydraulic prop are the liquid including hydraulic stem X and hydraulic cylinder Y
Laminated structure, hydraulic stem Y bottom is installed with leg Z to increase stability.Connected between pillar and its corresponding crossbeam with latch structure
Connect.
With back timber hydraulic prop in the middle of 2 pairs 4:Back timber hydraulic prop 1 in the middle of 1st pair, middle back timber hydraulic prop 2
Top is connected to back timber B in the middle of the two ends of back timber crossbeam 12 in the middle of one, the middle part connection of middle back timber crossbeam 12;2nd
Two of back timber crossbeam 56 in the middle of one is connected to the top of middle back timber hydraulic prop 5, middle back timber hydraulic prop 6
Back timber B in the middle of end, the middle part connection of middle back timber crossbeam 56.
With 2 pairs of 4 side back timber hydraulic props:1st opposite side back timber hydraulic prop 3, side back timber hydraulic prop 4
Top is connected to the two ends of a side back timber crossbeam 34, the two ends of side back timber crossbeam 34 connect respectively side back timber A,
Side back timber C;2nd opposite side back timber hydraulic prop 7, the top of side back timber hydraulic prop 8 are connected to side top
The two ends of beam crossbeam 78, the two ends of side back timber crossbeam 78 connect side back timber A, side back timber C respectively.
The middle back timber direction of middle back timber hydraulic prop and side back timber hydraulic prop edge is from front to back(Or as figure from a left side to
It is right)It is arranged at intervals.Namely the 1st pair middle back timber hydraulic prop 1, middle back timber hydraulic prop 2 in forefront, followed by the 1st
To side back timber hydraulic prop 3, side back timber hydraulic prop 4, followed by the 2nd pair of middle back timber hydraulic prop 5, middle top
Beam hydraulic prop 6, followed by the 2nd pair of side back timber hydraulic prop 7, side back timber hydraulic prop 8, this aligning method makes whole
Individual constitutional balance is more preferable.
During beginning, middle back timber hydraulic prop 1, middle back timber hydraulic prop 2, middle back timber hydraulic prop 5, middle back timber
Hydraulic prop 6, side back timber hydraulic prop 3, side back timber hydraulic prop 4, side back timber hydraulic prop 7, side back timber hydraulic pressure
Pillar 8, is all to stretch, and side back timber A, middle back timber B, roof is lived in supporting to side back timber C together.
When support is moved to the left:
First by middle back timber hydraulic prop 1, middle back timber hydraulic prop 2, middle back timber hydraulic prop 5, middle back timber liquid
Pressure pillar 6 shortens, namely hydraulic cylinder Y rises, and leg Z leaves ground;
At this moment back timber B can be moved in the middle of, and operation hydraulic drive cylinder 100, hydraulic drive cylinder 200 extend and promote centre
Back timber B, so makes middle back timber B, middle back timber hydraulic prop 1, middle back timber hydraulic prop 2, the middle back timber of interconnection
Crossbeam 12, middle back timber hydraulic prop 5, middle back timber hydraulic prop 6, middle back timber crossbeam 56 are moved to the left a position together
Move;
Then by the middle back timber hydraulic prop 1, middle back timber hydraulic prop 2, middle back timber hydraulic prop 5, centre
Back timber hydraulic prop 6 extends, namely hydraulic cylinder Y falls, and leg Z props up ground, makes middle back timber B supportings firmly roof;
Then by side back timber hydraulic prop 3, side back timber hydraulic prop 4, side back timber hydraulic prop 7, side back timber
Hydraulic prop 8 shortens, namely hydraulic cylinder Y rises, and leg Z leaves ground;
At this moment side back timber A, side back timber C can be moved, and operation hydraulic drive cylinder 100, hydraulic drive cylinder 200 shorten
And side back timber A, side back timber C are driven, so make the side back timber A, side back timber C, side back timber hydraulic pressure branch of interconnection
Post 3, side back timber hydraulic prop 4, side back timber crossbeam 34, side back timber hydraulic prop 7, side back timber hydraulic prop 8, side
Back timber crossbeam 78 is moved to the left a displacement together;
Then by the side back timber hydraulic prop 3, side back timber hydraulic prop 4, side back timber hydraulic prop 7, side
Back timber hydraulic prop 8 extends, namely hydraulic cylinder Y falls, and leg Z props up ground, makes side back timber A, side back timber C supportings firmly coal
Layer top plate.
One is completed above to left dislocation.
Same mode, can also move right.
For further lifting bracket stability, above-mentioned support can be further improved to, by 12 pillars, 6 pillars
Crossbeam, 2 hydraulic drive cylinders, one group of operation valve group, 3 back timbers compositions without bottom girder hydraulic support.
This is improved to reduce bottom girder without mudsill type hydraulic support compared with former step-type support, and advancing velocity is fast, top
Liang Ze is by middle three(90mm×110mm)It is changed into one(460mm×140mm), supporting intensity is improved, while pillar is worn
The stability that " skate " formula leg enhances face end support is gone up.This support enhances the supporting intensity of lower outlet, improves out
The security reliability of mouth, and stability is good.The arrangement of fluid pressure line is more reasonable, reduce abrasion with it is disrumpent feelings.Adopt simultaneously
With modularized design, it is easy to I&M, labor intensity that is simple to operate, alleviating workman.Part used in machining support
Part reduces processing cost using the old material replaced, and saves more than 10 ten thousand yuan of fund.
New improved support operation flexibly, conveniently, it is practical, safe and reliable, improve the supporting intensity of outlet, reduce
The generation of face end roof accident, every economic and technical norms have reached design requirement, realize safety in production, are modern
The all-round popularization of working face ended support uses and improved the abundant practical experience that have accumulated preciousness afterwards, has a extensive future.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.To the upper of the disclosed embodiments
State bright, professional and technical personnel in the field is realized or use the utility model.A variety of modifications pair to these embodiments
It will be apparent for those skilled in the art, generic principles defined herein can not depart from this reality
In the case of with new spirit or scope, realize in other embodiments.Therefore, the utility model is not intended to be limited to this
These embodiments shown in text, and it is to fit to the most wide scope consistent with features of novelty with principles disclosed herein.
Claims (2)
1. a kind of automatic step moving hydraulic support, it is characterised in that:With back timber in the middle of one, the both sides of middle back timber have respectively
A piece side back timber;There is hydraulic drive cylinder, front end and the centre of hydraulic drive cylinder between every side back timber and middle back timber
Back timber is connected, and the rear end of hydraulic drive cylinder is connected with side back timber;With back timber hydraulic prop in the middle of even-even, pushed up in the middle of each pair
The top of beam hydraulic prop is connected in the middle of the two ends of back timber crossbeam in the middle of one, the middle part connection of middle back timber crossbeam and pushed up
Beam;With even number opposite side back timber hydraulic prop, side top is connected to per the top of opposite side back timber hydraulic prop
The two ends of beam crossbeam, the two ends of side back timber crossbeam are connected with the side back timber of both sides respectively.
2. automatic step moving hydraulic support as claimed in claim 1, it is characterised in that:Middle back timber hydraulic prop and side back timber
Hydraulic prop is arranged at intervals from front to back along middle back timber direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720204028.6U CN206581963U (en) | 2017-03-03 | 2017-03-03 | Automatic step moving hydraulic support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720204028.6U CN206581963U (en) | 2017-03-03 | 2017-03-03 | Automatic step moving hydraulic support |
Publications (1)
Publication Number | Publication Date |
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CN206581963U true CN206581963U (en) | 2017-10-24 |
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ID=60112668
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Application Number | Title | Priority Date | Filing Date |
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CN201720204028.6U Expired - Fee Related CN206581963U (en) | 2017-03-03 | 2017-03-03 | Automatic step moving hydraulic support |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109268051A (en) * | 2018-10-23 | 2019-01-25 | 河南焦煤能源有限公司古汉山矿 | A kind of tunneling boring automatic moving type forepoling hydraulic support with pressure and method |
-
2017
- 2017-03-03 CN CN201720204028.6U patent/CN206581963U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109268051A (en) * | 2018-10-23 | 2019-01-25 | 河南焦煤能源有限公司古汉山矿 | A kind of tunneling boring automatic moving type forepoling hydraulic support with pressure and method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20171024 Termination date: 20180303 |