CN205422757U - Face -end support's back timber subassembly and face -end support - Google Patents
Face -end support's back timber subassembly and face -end support Download PDFInfo
- Publication number
- CN205422757U CN205422757U CN201620201541.5U CN201620201541U CN205422757U CN 205422757 U CN205422757 U CN 205422757U CN 201620201541 U CN201620201541 U CN 201620201541U CN 205422757 U CN205422757 U CN 205422757U
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- CN
- China
- Prior art keywords
- back timber
- end support
- face
- base
- extensible canopy
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- 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
Links
- 230000002265 prevention Effects 0.000 abstract 1
- 239000010878 waste rock Substances 0.000 abstract 1
- 238000005065 mining Methods 0.000 description 9
- 239000003245 coal Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a face -end support's back timber subassembly and face -end support, this back timber subassembly include the back timber, about the back timber in the both ends at least one end be connected with the flexible direction flexible roof beam that the direction is extended about along. The utility model discloses left end and/or right -hand member at the back timber set up flexible roof beam, and the flexible direction of flexible roof beam is extended towards controlling the direction, and flexible roof beam is flexible can adjust the horizontal width of back timber for one end top about the face -end support top in the both ends is on the lateral wall in tunnel, the other end is used for supporting adjacent face -end support, has guaranteed to have the equipment steady operation on the working face at inclination, the phenomenon that can not take place to slide. Simultaneously, the back timber is protected the below base from horizontal both sides, also can protect other hydraulic support of the left and right sides simultaneously, and the prevention waste rock is got to on the base by face -end support's the left and right sides.
Description
Technical field
This utility model relates to back timber assembly and the face end support of a kind of face end support, belongs to mine hydraulic bracket technical field.
Background technology
In colliery modernization recovery process, face end support is widely used in tunnel and stope infall, provides safe space for fully-mechanized mining equipment and pedestrian, it is achieved mechanical coal mining.When large-inclination-angle coal bed working face mining, tunnel becomes certain inclination angle with the coal-winning machine on work surface and hydraulic support, on work surface, coal-winning machine, drag conveyor, hydraulic support easily tilt to slide to tunnel, the now effect of face end support is not only support and is safeguarded top board at tunnel, and adjacent hydraulic support is played auxiliary supporting role.
Such as publication date is that on November 11st, 2009, the Chinese invention patent application of Application No. 200910065124.7 disclose a kind of end hydraulic support, this end hydraulic support includes front end support and follower head support, the advancing jack having axis to extend along the longitudinal direction is connected between front end support and follower head, after a coal mining loop ends, realize moving to front-rear direction frame by advancing jack.Front end support and follower head support all include: base and back timber, between base and back timber, time interval is provided with column and support guide beam, column two ends are hinged with back timber respectively, and the upper end of support guide beam is hinged with back timber by cross connecting piece, and lower end is connected with base.The back timber front end of front end support and follower head support is provided with front-axle beam, and the front-axle beam front end of follower head support is provided with extensible canopy, and extensible canopy can stretch to front-rear direction, and then adjusts the length of back timber fore-and-aft direction.
Above-mentioned face end support; front end support and follower head support are connected along the longitudinal direction by advancing jack; extensible canopy on back timber stretches to front-rear direction; the operative orientation of back timber is fore-and-aft direction, and drag conveyor below is protected by the extensible canopy of back timber front end, it is impossible to play a supporting role adjacent support; when large-inclination-angle coal bed working face mining; on work surface, coal-winning machine, drag conveyor, the center of gravity of hydraulic support tilt, and easily slide onto tunnel, cause equipment fluctuation of service.
Summary of the invention
The purpose of this utility model is to provide the back timber assembly of a kind of face end support, easily tilts to slide to the technical problem in tunnel in order to solve in prior art coal-winning machine, drag conveyor, hydraulic support on work surface.The purpose of this utility model also resides in a kind of face end support using this back timber assembly of offer.
For achieving the above object, this utility model adopts the following technical scheme that
The back timber assembly of a kind of face end support, including back timber, in the two ends, left and right of back timber, at least one end connects the extensible canopy having telescopic direction to extend in left-right direction.
Described extensible canopy utilizes the extensible canopy jack being connected between back timber and extensible canopy as drive mechanism.
A kind of face end support, the base extended along the longitudinal direction including back timber assembly and axis, back timber assembly includes back timber, and in the two ends, left and right of described back timber, at least one end connects the extensible canopy having telescopic direction to extend in left-right direction.
Described extensible canopy utilizes the extensible canopy jack being connected between back timber and extensible canopy as drive mechanism.
Being provided with the groove that length extends along the longitudinal direction at the axial location of base, be provided with push rod and advancing jack that axis extends along the longitudinal direction in groove, one end of described advancing jack is hinged with base, and the other end is connected with push rod.
One end away from advancing jack of push rod is provided with connection seat.
On described base in push rod be arranged over telescopic direction towards above-below direction extend for base jack-up lifted end jack.
Being connected between back timber with base and have column, column to be divided into the spaced left column in left and right and right column, the two ends of left and right column are hinged with base and back timber respectively.
Advantageous Effects of the present utility model: face end support of the present utility model is the face end support with horizontal back timber assembly, fore-and-aft direction is longitudinally, left and right directions is horizontal, the left end of back timber and/or right-hand member connect extensible canopy, extensible canopy stretches to left and right direction, adjust the width that back timber assembly is horizontal, during use, by adjusting the width of back timber assembly left and right directions, the one end in two ends, left and right, face end support top is made to withstand on the sidewall in tunnel, the other end is for supporting adjacent face end support, ensure that the equipment stable operation on the work surface with inclination angle, the phenomenon of sliding will not occur.Meanwhile, lower section base is protected by back timber from both lateral sides, also is able to protect other hydraulic supports of the left and right sides simultaneously, stops spoil to be got on base by the left and right sides of face end support.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model face end support embodiment 1；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural representation of base in this utility model face end support embodiment 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in detail.
The embodiment 1 of this utility model face end support, as shown in Figure 1 to Figure 3, this face end support is the face end support with horizontal back timber assembly, including back timber assembly and base 8, the axis of base 8 extends along the longitudinal direction, back timber assembly includes back timber 4, between back timber 4 and base 8, left and right is interval with left column 3 and right column 7, left column 3 time interval is provided with two, right column 7 time interval is provided with two, the two ends of left and right column are hinged with back timber 4 and base 8 respectively, and four root posts form corner and support back timber 4.
The middle crotch position of base 8 is provided with the groove that length extends along the longitudinal direction, is provided with push rod 9 and advancing jack 11 that axis extends along the longitudinal direction in groove；Cylinder bottom one end of advancing jack 11 is hinged with base 8, piston rod one end is connected with push rod 9, and push rod 9 extends outside the base portion be provided with connection seat, during use away from one end of advancing jack 11, connect seat hinged with drag conveyor, be used for elapsing drag conveyor and realizing moving frame.Being arranged over for base jack-up is lifted end jack 10 in push rod on base 8, the telescopic direction lifting end jack 10 is vertically extending, lifts end jack 10 and is connected with base 8 by upper frame.
The left end of back timber 4 and right-hand member are respectively equipped with left extensible canopy 1 and right extensible canopy 6, left extensible canopy 1 utilizes the left extensible canopy jack 2 being connected between back timber 4 and left extensible canopy 1 as driving, right extensible canopy 6 utilizes the right extensible canopy jack 5 being connected between back timber 4 and right extensible canopy 6 as driving, in other embodiments, only extensible canopy can be set for left end or right-hand member at back timber.In other embodiments, the forward and backward two ends of back timber may also set up extensible canopy or tail boom.
Face end support in this utility model has simple in construction, the advantages such as reliability is high, it is simple to operation, low cost of manufacture, for general fully-mechanized mining working, tip position simple in construction, can replace the effect of individual prop completely, make Roof relatively reliable, it is effectively prevented toppling over of force piece, light face end support can substitute for the use of common end head bracket completely, makes simple in construction, uses and easy to maintenance.It is arranged on coal mine down-hole tunnel and work surface junction, provides safe and reliable space for elevating conveyor, scratch board conveyor head, pedestrian's walking and operation.For the work surface with inclination angle, by the angle between regulation back timber and base, and regulate the extension elongation of left and right extensible canopy, the extensible canopy making side withstands on the sidewall of tunnel, the extensible canopy of opposite side withstands on adjacent face end support top, can effectively support adjacent hydraulic support, prevents the support on the work surface with inclination angle to tunnel Slideslip, ensure that the safety of coal work is carried out, improve coal mining efficiency.
At fully-mechanized mining working, this face end support is installed, during work, under the effect of left and right column, back timber roof supporting, inclination angle size according to work surface adjusts the stroke of left and right column, change according to span length, adjust left and right extensible canopy jack, this face end support not only supports back, safe space is provided to tunnel, and, in left and right extensible canopy, one touches tunnel sidewall, another supports adjacent hydraulic support, maintains the equipment stable operation on the work surface with inclination angle.When a coal mining loop ends, under lifting the effect of end jack and advancing jack, draw forward and move face end support and then adjust the position of face end support, i.e. can proceed with next cycle of operation.
The embodiment of the back timber assembly of this utility model face end support, the structure of back timber assembly is the most above-mentioned, and in order to avoid repetition, therefore not to repeat here.
Claims (8)
1. a back timber assembly for face end support, including back timber, it is characterised in that: in the two ends, left and right of back timber, at least one end connects the extensible canopy having telescopic direction to extend in left-right direction.
The back timber assembly of face end support the most according to claim 1, it is characterised in that: described extensible canopy utilizes the extensible canopy jack being connected between back timber and extensible canopy as drive mechanism.
3. a face end support, the base extended along the longitudinal direction including back timber assembly and axis, back timber assembly includes back timber, it is characterised in that: in the two ends, left and right of described back timber, at least one end connects the extensible canopy having telescopic direction to extend in left-right direction.
Face end support the most according to claim 3, it is characterised in that: described extensible canopy utilizes the extensible canopy jack being connected between back timber and extensible canopy as drive mechanism.
Face end support the most according to claim 4, it is characterized in that: at the axial location of base, be provided with the groove that length extends along the longitudinal direction, push rod and advancing jack that axis extends along the longitudinal direction it is provided with in groove, one end of described advancing jack is hinged with base, and the other end is connected with push rod.
Face end support the most according to claim 5, it is characterised in that: one end away from advancing jack of push rod is provided with connection seat.
7. according to the face end support described in claim 5 or 6, it is characterised in that: on described base in push rod be arranged over telescopic direction towards above-below direction extend for base jack-up lifted end jack.
8. according to the face end support described in claim 3-6 any one, it is characterised in that: being connected between back timber with base and have column, column to be divided into the spaced left column in left and right and right column, the two ends of left and right column are hinged with base and back timber respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620201541.5U CN205422757U (en) | 2016-03-16 | 2016-03-16 | Face -end support's back timber subassembly and face -end support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620201541.5U CN205422757U (en) | 2016-03-16 | 2016-03-16 | Face -end support's back timber subassembly and face -end support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205422757U true CN205422757U (en) | 2016-08-03 |
Family
ID=56546006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620201541.5U Expired - Fee Related CN205422757U (en) | 2016-03-16 | 2016-03-16 | Face -end support's back timber subassembly and face -end support |
Country Status (1)
| Country | Link |
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| CN (1) | CN205422757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796812A (en) * | 2020-04-27 | 2021-05-14 | 南京石诚井巷装备有限责任公司 | A New Triangle Support Unit |
-
2016
- 2016-03-16 CN CN201620201541.5U patent/CN205422757U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112796812A (en) * | 2020-04-27 | 2021-05-14 | 南京石诚井巷装备有限责任公司 | A New Triangle Support Unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 450100 Zhengzhou City, Henan Province Road, north of the city of Xingyang Road, east of the new material industrial park Patentee after: ZHENGZHOU SIWEI ELECTROMECHANICAL EQUIPMENT MANUFACTURING Co.,Ltd. Address before: 450100 Zhengzhou new material industrial park, east of King Wang Road, north of science Road, Zhengzhou, Henan Patentee before: ZHENGZHOU SIWEI MINING MACHINERY CO.,LTD. |
|
| 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: 20160803 |