CN207004557U - A kind of shield support for removing shield support front-axle beam - Google Patents
A kind of shield support for removing shield support front-axle beam Download PDFInfo
- Publication number
- CN207004557U CN207004557U CN201720911785.7U CN201720911785U CN207004557U CN 207004557 U CN207004557 U CN 207004557U CN 201720911785 U CN201720911785 U CN 201720911785U CN 207004557 U CN207004557 U CN 207004557U
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- CN
- China
- Prior art keywords
- back timber
- shield
- support
- caving
- caving shield
- 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.)
- Expired - Fee Related
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
A kind of shield support for removing shield support front-axle beam, the utility model is related to a kind of shield support.The utility model must be provided with that quality existing for shield support front-axle beam is big, movement is inconvenient to solve the problems, such as current shield support.The utility model includes base, caving shield, back timber, caving shield connecting plate or caving shield connecting rod, back timber hydraulic vertical prop；One end of the base is affixed or one end of be hinged caving shield connecting plate or caving shield connecting rod, and the middle part of base is affixed or the low side of articulated roof beam hydraulic vertical prop；One end of caving shield is hinged caving shield connecting plate or the other end of caving shield connecting rod；One end of the other end articulated roof beam of caving shield, the other end of back timber is back timber edge, does not reconnect any device, the top of the middle part articulated roof beam hydraulic vertical prop of back timber.The utility model withdraws operation suitable for down-hole coal excavation working surface hydraulic support.
Description
Technical field
It the utility model is related to a kind of shield support.
Background technology
The resettlement of fully-mechanized mining working is the important production preparation of mine, and realizes the important ring of highly effective and safe production
Section.At present, in the moving process of fully-mechanized mining working most important work be working face hydraulic support withdrawing, the liquid of working face
Pressure support has the characteristics of volume is big, quality is big, how on the premise of face roof safety is ensured Quick-return support, contract
Shortwall moves the cycle, and it is key that working face is withdrawn to meet that working face is normally taken over.
With increasing for fully-mechanized coalface, fully mechanized mining speed is also constantly being accelerated, and fully-mechanized mining working removal of home is fallen
The workload in face is also increasing.Coal work needs the region for withdrawing coal face hydraulic support mined out for underground after terminating
Area, need to carry out by shield support to ensure to withdraw coal face hydraulic support, the hydraulic support of working face is withdrawn
Process moves along with shield support.Top plate one end of current shield support must be provided with shield support front-axle beam a, such as Fig. 1 institutes
Show, because top plate is long to be unfavorable for withdrawing for shield support, mode is withdrawn according to current shield support, in order to ensure operation people
The safety of member must be provided with shield support front-axle beam a.
But this shield support weight is very big, only shield support front-axle beam a is generally more than 3 tons, so very not
Moved beneficial to shield support, and because shield support movement is to realize that quality is excessive not only to disappear by the dragging of winch
The excessive energy is consumed, and winch and dragging rope easily damage.Shield support front-axle beam a is typically more than 1.4 meters, and cover simultaneously
Shield support front-axle beam a is provided in one end of back timber, so causes entire length long, because shield support mobile space has
Limit, so shield support movement is inconvenient.And shield support front-axle beam a presence also increases being manufactured into for shield support
This.
Utility model content
To must be provided with quality existing for shield support front-axle beam big, mobile in order to solve current shield support for the utility model
The problem of inconvenient.
A kind of shield support for removing shield support front-axle beam, including base, caving shield, back timber, caving shield hydraulic prop, cover
Guard beam connecting plate or caving shield connecting rod, back timber hydraulic vertical prop；One end of the base is affixed or be hinged caving shield connecting plate or
One end of caving shield connecting rod, the middle part of base is affixed or the low side of articulated roof beam hydraulic vertical prop；One end of caving shield is be hinged to be covered
The other end of guard beam connecting plate or caving shield connecting rod；One end of the other end articulated roof beam of caving shield, the other end of back timber are
Back timber edge, any device is not reconnected, that is, remove shield support front-axle beam, the top of the middle part articulated roof beam hydraulic vertical prop of back timber
End；
One end of caving shield hydraulic prop is hinged the middle part of caving shield, and the other end of caving shield hydraulic prop is hinged to back timber
On.
Further, stating back timber includes back timber rotary shaft, back timber support shaft and some back timber arms；Some back timber arms are set side by side
Put, back timber support shaft is passed perpendicularly through in the middle part of some back timber arms, and can be relatively rotated with back timber arm, the top of back timber hydraulic vertical prop
It is hinged by the middle part of back timber support shaft and back timber；Back timber rotary shaft passes perpendicularly through one end of some back timber arms, and can be with top
Beam arm is relatively rotated, and the other end of caving shield is hinged by back timber rotary shaft with back timber.
Further, some back timber arm upper surfaces are connected with reinforcement plate.
Further, in addition to back timber shielding side plate, described back timber shielding side plate are arranged on back timber length direction
Both sides.
Further, the length of described back timber is 2 meters to 2.2 meters, and the optimization length of back timber is 2.1 meters.
The beneficial effects of the utility model：
1st, for more existing shield support, the utility model shield support own wt greatly reduces, the utility model
Shield support weight at least reduce 3 tons, so using winch pull shield support when resistance it is just smaller, the shifting of shield support
It is dynamic lighter, while reduce the loss that winch pulls rope.Simultaneously because back timber is made up of some back timber arms, can be further
Mitigate the weight of shield support, and enough intensity can be kept, also reduce further manufacturing cost.
2nd, 1.4 meters are at least reduced, is made compared to existing shield support, the relative length of shield support of the present utility model
In limited shield support mobile space can conveniently moving, quick, improve the effect of the hydraulic support withdrawing of working face
Rate.Compared with current shield support, under other conditions same case, withdrawn in the case of using current shield support comprehensive
60 hydraulic supports one of mining face have shared 10 days (2 class/day), and back withdrawing fully-mechanized mining works in the case of using the utility model
60, face hydraulic support one has shared 8 days (2 class/day), it can be seen that withdraws that more efficient, the duration is shorter, ensure that working face
Take over.
Simultaneously as relative length of the present utility model at least reduces 1.4 meters so that the control top region withdrawn reduces,
And then original needs is played four row's monomer supportings in control top region and is reduced to three row's monomer supportings, the work for reducing worker is strong
Degree, it is often more important that the reduction in Kong Ding areas also causes the safety coefficient of worker's operation to be doubled, and has ensured the safety of worker.
Brief description of the drawings
Fig. 1 is current shield support structural representation；
Fig. 2 is the shield support structural representation that caving shield hydraulic prop is hinged to back timber；
Fig. 3 is the side structure schematic view of back timber；
Fig. 4 is the overlooking the structure diagram of back timber；
Fig. 5 is to withdraw working region schematic diagram using working surface hydraulic support during current shield support；List in figure
Position is mm；
Fig. 6 is to withdraw working region schematic diagram using working surface hydraulic support during the utility model；Unit in figure is
mm。
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 2,
A kind of shield support for removing shield support front-axle beam, including base 1, caving shield 2, back timber 3, caving shield hydraulic prop
4th, caving shield connecting plate or caving shield connecting rod 5, back timber hydraulic vertical prop 6；One end of the base 1 is affixed or be hinged caving shield connects
One end of fishplate bar or caving shield connecting rod 5, the middle part of base 1 is affixed or the low side of articulated roof beam hydraulic vertical prop 6；Caving shield 2
One end is hinged caving shield connecting plate or the other end of caving shield connecting rod 5；One end of the other end articulated roof beam 3 of caving shield 2, top
The other end of beam 3 is back timber edge, does not reconnect any device, that is, removes shield support front-axle beam, the middle part articulated roof beam of back timber 3
The top of hydraulic vertical prop 6；
One end of caving shield hydraulic prop 4 is hinged the middle part of caving shield 2, and the other end of caving shield hydraulic prop 4 is hinged to
On back timber 3.
For more existing shield support, the utility model shield support own wt greatly reduces, of the present utility model
Shield support weight at least reduces 3 tons, so resistance when shield support is pulled using winch is just smaller, the movement of shield support
It is lighter, while reduce the loss that winch pulls rope.Simultaneously because back timber is made up of some back timber arms, can further subtract
The weight of light shield support, and enough intensity can be kept, it also reduce further manufacturing cost.
Embodiment two：Illustrate present embodiment with reference to Fig. 3 and Fig. 4,
Back timber 3 described in present embodiment includes back timber rotary shaft 33, back timber support shaft 32 and some back timber arms 31；Some tops
Beam arm 31 is arranged side by side, and back timber support shaft 32 passes perpendicularly through some middle parts of back timber arm 31, and can be relatively rotated with back timber arm 31,
The top of back timber hydraulic vertical prop 6 is hinged by back timber support shaft 32 and the middle part of back timber 3；If back timber rotary shaft 33 passes perpendicularly through
One end of dry back timber arm 31, and can be relatively rotated with back timber arm 31, the other end of caving shield 2 passes through back timber rotary shaft 33 and top
Beam 3 is be hinged.
Other structures and parameter are identical with embodiment one.
Embodiment three：
Some upper surfaces of back timber arm 31 are connected with reinforcement plate 34 described in present embodiment.
Other structures and parameter are identical with embodiment two.
Embodiment four：
A kind of shield support of dismounting shield support front-axle beam described in present embodiment, in addition to back timber shielding side plate 7, institute
The back timber shielding side plate 7 stated is arranged on the both sides on the length direction of back timber 3.
Other structures and parameter are identical with one of embodiment one to three.
Embodiment five：
The length of back timber 3 described in present embodiment is 2 meters to 2.2 meters.The optimization length of back timber 3 is 2.1 meters.
Other structures and parameter are identical with embodiment four.
Embodiment
Illustrate the process that coal work equipment returning is carried out using the utility model with reference to Fig. 5 and Fig. 6：
Step 1, by remove shield support front-axle beam shield support be abbreviated as shield support；
As shown in fig. 6, before withdrawing, some bank hydraulic supports are arranged side by side in coal-face, and mine
The forestope of workspace hydraulic support is towards rib side, the forestope branch for some bank hydraulic supports being arranged side by side
Protect the return channel formed；Shield support is arranged at the end of return channel, positioned at bank hydraulic support
Outside, and it is vertical with bank hydraulic support, remove back timber (3) the direction side of withdrawing of the shield support of shield support front-axle beam
To (direction of arrow in Fig. 5 and Fig. 6 is to withdraw direction)；
The outside of shield support, the outside of bank hydraulic support form the Kong Ding areas withdrawn；The Kong Ding areas withdrawn
The equal length of distance and shield support on the length direction of shield support；
In the Kong Ding areas scope withdrawn, three are be arranged in parallel successively into the Kong Ding areas withdrawn from bank hydraulic support
Root articulated roof beam, articulated roof beam have hydraulic prop support；
Trigonum and goaf are determined according to the position of articulated roof beam, trigonum and goaf are congruent right angle trigonometry
Shape, one, goaf right-angle side are 2 meters, and another of goaf right-angle side is the length of shield support；The utility model shielding branch
When the length of frame is 2.1 meters, another of the right-angle side goaf in another of goaf right-angle side corresponds to 2.1 meters；And utilize existing
Shield support when withdrawing, another of the right-angle side goaf in another of goaf right-angle side is 3.5 meters or so, also just because of this
Sample, when being withdrawn using existing shield support, in order to ensure " caving " safety, it is hinged in the Kong Ding areas withdrawn at least provided with four
Back timber；
Step 2, withdraw in the bank hydraulic support being arranged side by side close to the bank in the Kong Ding areas withdrawn
Hydraulic support, bank hydraulic support is turned to return channel and withdrawn along return channel；
Step 3, shield support is set to be moved along return channel to direction is withdrawn, displacement is bank hydraulic pressure branch
The width of frame；Then " caving " is carried out to goaf first, realizes the pressure release for top of mining；The Kong Ding areas withdrawn are carried out again
" caving "；
Withdrawn compared to using existing shield support, because the utility model can largely reduce the face in goaf
Product, the probability that top is collapsed of mining can be greatly reduced when carrying out " caving " to goaf, and the reduction in Kong Ding areas also causes
The safety coefficient of worker's operation is doubled, and has ensured the safety of worker.
Simultaneously because the Kong Ding areas withdrawn reduce, original needs play four row's monomer supportings in control top region and are reduced to three rows
Monomer supporting, articulated roof beam and the dosage of monomer supporting in Kong Ding areas are saved, and reduce the labor intensity of worker, can
Largely reduce the cost for withdrawing and mining；
Step 4, repeat step 1 to 3, until all devices withdraw completion.
Because the relative length of hydraulic shield support of the present utility model at least reduces 1.4 meters so that limited
In hydraulic shield support mobile space can conveniently moving, quick, improve the efficiency of the hydraulic support withdrawing of working face.With
Current hydraulic shield support is compared, and under other conditions same case, uses the situation of current hydraulic shield support
Lower 60 hydraulic supports one of back withdrawing fully-mechanized mining working face have shared 10 days (2 class/day), and are withdrawn in the case of using the utility model
60 hydraulic supports one of fully-mechanized mining working have shared 8 days (2 class/day), it can be seen that withdraw that more efficient, the duration is shorter, ensure
The taking over of working face.It reduce further mining costs.
Claims (5)
1. a kind of shield support for removing shield support front-axle beam, it is characterised in that including base (1), caving shield (2), back timber
(3), caving shield hydraulic prop (4), caving shield connecting plate or caving shield connecting rod (5), back timber hydraulic vertical prop (6)；The base
(1) one end is affixed or one end of be hinged caving shield connecting plate or caving shield connecting rod (5), and the middle part of base (1) is affixed or hinge
Connect the low side of back timber hydraulic vertical prop (6)；One end of caving shield (2) is hinged the another of caving shield connecting plate or caving shield connecting rod (5)
One end；One end of the other end articulated roof beam (3) of caving shield (2), the other end of back timber (3) is back timber edge, does not reconnect and appoints
What device, the top of the middle part articulated roof beam hydraulic vertical prop (6) of back timber (3)；
One end of caving shield hydraulic prop (4) is hinged the middle part of caving shield (2), and the other end of caving shield hydraulic prop (4) is hinged
Onto back timber (3).
A kind of 2. shield support for removing shield support front-axle beam according to claim 1, it is characterised in that the back timber
(3) back timber rotary shaft (33), back timber support shaft (32) and some back timber arms (31) are included；Some back timber arms (31) are arranged side by side,
Back timber support shaft (32) is passed perpendicularly through in the middle part of some back timber arms (31), and can be relatively rotated with back timber arm (31), back timber hydraulic pressure
The top of column (6) is hinged by back timber support shaft (32) and the middle part of back timber (3)；Back timber rotary shaft (33) passes perpendicularly through some
One end of back timber arm (31), and can be relatively rotated with back timber arm (31), the other end of caving shield (2) passes through back timber rotary shaft
(33) it is be hinged with back timber (3).
A kind of 3. shield support for removing shield support front-axle beam according to claim 2, it is characterised in that some tops
Beam arm (31) upper surface is connected with reinforcement plate (34).
4. a kind of shield support for removing shield support front-axle beam according to claim 3, it is characterised in that also including back timber
Side plate (7) is screened, described back timber shielding side plate (7) is arranged on the both sides on back timber (3) length direction.
A kind of 5. shield support for removing shield support front-axle beam according to claim 4, it is characterised in that described back timber
(3) length is 2 meters to 2.2 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911785.7U CN207004557U (en) | 2017-07-25 | 2017-07-25 | A kind of shield support for removing shield support front-axle beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720911785.7U CN207004557U (en) | 2017-07-25 | 2017-07-25 | A kind of shield support for removing shield support front-axle beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207004557U true CN207004557U (en) | 2018-02-13 |
Family
ID=61456362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720911785.7U Expired - Fee Related CN207004557U (en) | 2017-07-25 | 2017-07-25 | A kind of shield support for removing shield support front-axle beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207004557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412515A (en) * | 2020-11-23 | 2021-02-26 | 中国矿业大学 | Frame-removing supporting method for self-moving type full-shield crushing top plate |
-
2017
- 2017-07-25 CN CN201720911785.7U patent/CN207004557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412515A (en) * | 2020-11-23 | 2021-02-26 | 中国矿业大学 | Frame-removing supporting method for self-moving type full-shield crushing top plate |
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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: 20180213 Termination date: 20180725 |