CN107269305A - Brettis is combined without clad - Google Patents
Brettis is combined without clad Download PDFInfo
- Publication number
- CN107269305A CN107269305A CN201710722114.0A CN201710722114A CN107269305A CN 107269305 A CN107269305 A CN 107269305A CN 201710722114 A CN201710722114 A CN 201710722114A CN 107269305 A CN107269305 A CN 107269305A
- Authority
- CN
- China
- Prior art keywords
- clad
- brettis
- support
- combine
- single support
- 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.)
- Pending
Links
- 238000005065 mining Methods 0.000 claims abstract description 12
- 239000000178 monomer Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses combine brettis without clad, it is related to coal mining apparatus field, including single support, the single support includes the column for being provided with hydraulic cylinder, the column is arranged on base, load-carrying members are installed above the column, the hydraulic cylinder is connected with hydraulic system, is connected between the single support by advancing jack.By the present invention, without supporting security can be met using back timber or caving shield, and the problem of support peace removes difficulty is solved.
Description
Technical field
The present invention relates to coal mining apparatus field, particularly brettis is combined without clad.
Background technology
China's girdle recoverable reserves enriches, and 20% of gross reserves or so is accounted for, because all collieries of current China are all suffered from
Mechanization, the revolution of automation, and colliery carries out mechanical mining and just be unable to do without hydraulic support, but by hydraulic support characteristic system
About, conventional hydraulic support not only influences production efficiency, and influence working face extraction height, more than coal seam height back production both
Influence ature of coal environment is caused again it is unnecessary adopt, and conventional hydraulic support is higher, heavier, is used in thin seam working surface
During have considerable influence to the safety coefficient of staff.
In addition, the support pattern that coal mining working face is used mainly has hydraulic prop and hydraulic support, hydraulic prop is needed
Want personnel more, and bad management, and support is the knot of the main control coal-face mine pressure of current mechanical coal mining
Structure thing.
Present existing hydraulic support is divided into three classes, and has hydraulic chock-shield support, hydraulic shield support and support shield
Formula hydraulic support, the characteristics of three class supports have respective and condition of compatibility, but generally speaking all have the disadvantage that：
（1）By height limitation, it is difficult to be used in girdle mechanical mining.
（2）Weight is larger, and mobile, peace removes difficulty, especially in girdle, is influenceed by top plate fluctuating, mobile difficult, personnel
Escape way may be all limited.
So for thin seam mining, working face is short, the situation of operation under the complex geological condition such as top plate big rise and fall,
It is badly in need of a kind of small volume, it is easy to operate, install, withdraw flexible new structure to solve problems of the prior art, but
In view of the above-mentioned problems, there is no good solution in the prior art.
The content of the invention
The invention aims to solve the above problems, no clad combination brettis is devised.
Realize above-mentioned purpose the technical scheme is that, no clad combines brettis, including single support, the branch
Frame monomer includes the column for being provided with hydraulic cylinder, and the column is arranged on base, and load-carrying members, institute are provided with the column
State hydraulic cylinder to connect with hydraulic system, connected between the single support by advancing jack.
Technical solution of the present invention also includes：At least three groups of the single support.
Technical solution of the present invention also includes：The load-carrying members are integral top beam, and the integral top beam is separately mounted to often
On the column of pack support monomer, it is hinged per between pack support monomer.
Technical solution of the present invention also includes：The single support has three groups, and the preceding two pack supports monomer is overall structure,
Later group single support is hinged with first two groups of single support.
Technical solution of the present invention also includes：The load-carrying members are removably mounted on the column of every pack support monomer, institute
Load-carrying members are stated for cap or integral top beam.
Technical solution of the present invention also includes：Chute is provided with the base, the chute is with advancing jack to support
The passage direction of monomer is parallel.
Technical solution of the present invention also includes：The base front portion is provided with spillplate mounting groove, and the base rear portion is set
Suspension bracket jack installation place.
Technical solution of the present invention also includes：The hydraulic system is regulated and controled by manual adjacent frame to single support.
Technical solution of the present invention also includes：It is described to be used for thin seam mining without back timber assembled hydraulic support.
Beneficial effects of the present invention are：The present embodiment it is creative improve no beam structure.Due to most of bog-head coal
The top plate of layer is all complete limestone, and the mining height of girdle is small, thus using without beam structure come supporting roof
Supporting intensity can be met completely, is ensured safety, the mechanical exchange rate of thin seam mining is improved, and application scheme is combined by pile formula
Hydraulic prop is substituted, and combines the telescopic adjustment of advancing jack to realize the effect of Quick-return and installation.
Using technical scheme make without clad combine brettis, compared with other supports, with it is compact,
Flexibly, install, withdraw extremely convenient advantage；And technical solution of the present invention eliminates the design of clad, in reduction support height
While can also meet working strength, the exploitation work of adaptation girdle that can be well, and price is relatively low, and has filled up bog-head coal
The blank of layer exploitation supporting, with good practicality and market popularization value.
Brief description of the drawings
Fig. 1 is the split-type structural front view of the present invention that brettis is combined without clad；
Fig. 2 is the split-type structural side view of the present invention that brettis is combined without clad；
Fig. 3 is the split-type structural top view of the present invention that brettis is combined without clad；
Fig. 4 is the monolithic construction front view of the present invention that brettis is combined without clad；
Fig. 5 is the monolithic construction side view of the present invention that brettis is combined without clad；
Fig. 6 is the monolithic construction top view of the present invention that brettis is combined without clad；
Fig. 7 is the load-carrying members schematic diagram of the present invention that brettis is combined without clad；
In figure, 1, column；2nd, load-carrying members；3rd, base；4th, single support；5th, advancing jack；6th, piston shoes；7th, manual adjacent frame.
Embodiment
Below in conjunction with drawings and examples, the invention will be described further.
Simultaneously as simply section Example described below, in the case where not conflicting, embodiment in the application and
Feature in embodiment can be mutually combined.
A kind of to combine brettis, including single support 4 without clad, the single support 4 includes being provided with hydraulic cylinder
Column 1, the column is installed on the base 3, and load-carrying members 2, the hydraulic cylinder and hydraulic system are provided with above the column
Connected between connection, the single support by advancing jack 5.
Preferably, at least three groups of the single support 4.
Embodiment 1：, as Figure 1-3, this is split-type structural without clad combination brettis, and the load-carrying members 2 are
Integral top beam, the integral top beam is separately mounted on the column of every pack support monomer, is hinged per between pack support monomer.
Embodiment 2：This is monolithic construction without clad combination brettis, and as Figure 4-Figure 6, the single support 4 has
Three groups, the preceding two pack supports monomer is overall structure, and later group single support is hinged with first two groups of single support.
Preferably, the load-carrying members 2 are removably mounted on the column of every pack support monomer, the load-carrying members 2
For cap or integral top beam.For example, front-seat two post is cap formula, heel row is top plate type, and a standby integral top beam is exchanged with front-seat,
After be hinged a frame separating stent-graft.
Chute 6 is provided with the base 3, the chute is parallel to the passage direction of single support with advancing jack 5.
Embodiment 3：On the basis of above example, also the front portion of base 3 can be provided with spillplate mounting groove, institute
State base rear portion and suspension bracket jack installation place is set；
Embodiment 4：On the basis of above example, the hydraulic system is regulated and controled by manual adjacent frame 7 to single support.
Hydraulic support is fully-mechanized mining working support apparatus, using highly pressurised liquid as power, by hardware and Hydraulic Elements group
Into a kind of support and controlroof equipment, for supporting Stope roof, safeguard safety work space, passage working face is felled and transported
Equipment.
In exploitation, hydraulic support completes whole work by first support stage, increasing resistance stage, constant-resistance stage and drop frame stage
Make process, when the high-pressure emulsification liquid that emulsion power pack is provided promotes column to rise, when reaching setting load, hydraulic support is in just
In the support stage, with the slow sinking of top plate, the hydraulic fluid for being enclosed in column cavity of resorption is slowly raised, and the thrust of column is support pair
The support force of top plate also increases therewith, untill cavity pressure reaches safety valve action pressure under column, and this process is hydraulic pressure
In the increasing resistance stage of support, after safety valve action, a small amount of liquid of column cavity of resorption overflows through safety valve, and pressure reduces therewith, when less than
During set pressure for safety valve, safety valve is re-closing off, and stops overflow, stent returns normal operating conditions is now hydraulic pressure branch
In the constant-resistance stage of frame, when rack plate is not subjected to pressure, stem height can be declined, be now the drop frame rank of hydraulic support
Section, subsequent driven valve control advancing jack is moved.
Hydraulic support in the application combines the back timber larger without installation volume, caving shield, you can meet to girdle
Support, in addition, on the premise of supporting security is met, accomplished compact, and solved support peace to remove difficulty
Problem.
Preferably, array pitch is 1.0m between two pack supports.
Preferably, top plate reserves articulated roof beam connecting hole with base, the handing-over for front and rear back timber and base is connected.
It can be connected between front and rear two pack support using ears, shackle（Connects chain is voluntarily equipped with by ore deposit side）.
In embodiment, the control system of support uses manual adjacent-support control；Two columns per pack support are with 1 manipulation valve
Control；The first support of monoblock type and every group of separating stent-graft does not install manipulation valve, is uniformly controlled by the second frame support, the 3rd
Frame is individually controlled；The standoff manipulation valve of institute is using longitudinally disposed.
It is described above, only it is presently preferred embodiments of the present invention, any formal limitation is not done to the present invention, it is all at this
Any modifications, equivalent substitutions and improvements etc. are done within the spirit and principle of invention, protection scope of the present invention is should be included in
Within.
Claims (9)
1. combine brettis without clad, it is characterised in that：Including single support（4）, the single support（4）Including being provided with
The column of hydraulic cylinder（1）, the column（1）Installed in base（3）On, the column（1）On load-carrying members are installed（2）, institute
State hydraulic cylinder to connect with hydraulic system, the single support（4）Between pass through advancing jack（5）Connection.
2. according to claim 1 combine brettis without clad, it is characterised in that：The single support（4）At least
Three groups.
3. according to claim 2 combine brettis without clad, it is characterised in that：The load-carrying members（2）For entirety
Back timber, the integral top beam is separately mounted on the column of every pack support monomer, is hinged per between pack support monomer.
4. according to claim 2 combine brettis without clad, it is characterised in that：The single support（4）There are three groups,
The preceding two pack supports monomer（4）For overall structure, later group single support（4）With first two groups of single support（4）It is hinged.
5. according to claim 4 combine brettis without clad, it is characterised in that：The load-carrying members（2）Detachably
Installed in every pack support monomer（4）Column on, the load-carrying members（2）For cap or integral top beam.
6. according to claim 5 combine brettis without clad, it is characterised in that：The base（3）On be provided with cunning
Groove, the chute and advancing jack（5）It is parallel to the passage direction of single support.
7. according to claim 1 combine brettis without clad, it is characterised in that：The base（3）Front portion is provided with
Spillplate mounting groove, the base（3）Rear portion sets suspension bracket jack installation place.
8. according to claim 1 combine brettis without clad, it is characterised in that：The hydraulic system passes through adjacent manually
Frame（7）To single support（4）Regulated and controled.
9. combine brettis without clad according to claim 1 to 8 is any, it is characterised in that：It is described to be combined without back timber
Hydraulic support is used for thin seam mining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710722114.0A CN107269305A (en) | 2017-08-22 | 2017-08-22 | Brettis is combined without clad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710722114.0A CN107269305A (en) | 2017-08-22 | 2017-08-22 | Brettis is combined without clad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269305A true CN107269305A (en) | 2017-10-20 |
Family
ID=60076399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710722114.0A Pending CN107269305A (en) | 2017-08-22 | 2017-08-22 | Brettis is combined without clad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269305A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716414A (en) * | 2018-03-23 | 2018-10-30 | 山东省田庄煤矿有限公司 | A kind of no top beam hydraulic rack |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB856720A (en) * | 1956-08-18 | 1960-12-21 | Dobson Ltd W E & F | Improvements in roof supports for underground mines |
| CN200940489Y (en) * | 2006-08-04 | 2007-08-29 | 王新民 | Hydraulic chock of medium thick coal layer combined advanced support |
| CN201982126U (en) * | 2011-03-11 | 2011-09-21 | 沈阳天安矿山机械科技有限公司 | Gate-type laneway support bracket |
| CN202451192U (en) * | 2011-12-16 | 2012-09-26 | 兖矿集团有限公司 | Hydraulic waste edge support for thin coal layer blasting |
| CN106761874A (en) * | 2017-03-31 | 2017-05-31 | 河南理工大学 | A kind of automatic moving type forepoling hydraulic support with side guard plate |
-
2017
- 2017-08-22 CN CN201710722114.0A patent/CN107269305A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB856720A (en) * | 1956-08-18 | 1960-12-21 | Dobson Ltd W E & F | Improvements in roof supports for underground mines |
| CN200940489Y (en) * | 2006-08-04 | 2007-08-29 | 王新民 | Hydraulic chock of medium thick coal layer combined advanced support |
| CN201982126U (en) * | 2011-03-11 | 2011-09-21 | 沈阳天安矿山机械科技有限公司 | Gate-type laneway support bracket |
| CN202451192U (en) * | 2011-12-16 | 2012-09-26 | 兖矿集团有限公司 | Hydraulic waste edge support for thin coal layer blasting |
| CN106761874A (en) * | 2017-03-31 | 2017-05-31 | 河南理工大学 | A kind of automatic moving type forepoling hydraulic support with side guard plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716414A (en) * | 2018-03-23 | 2018-10-30 | 山东省田庄煤矿有限公司 | A kind of no top beam hydraulic rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |