CN207111151U - A kind of adjustable mining high-covering type hydraulic bracket - Google Patents
A kind of adjustable mining high-covering type hydraulic bracket Download PDFInfo
- Publication number
- CN207111151U CN207111151U CN201720992957.8U CN201720992957U CN207111151U CN 207111151 U CN207111151 U CN 207111151U CN 201720992957 U CN201720992957 U CN 201720992957U CN 207111151 U CN207111151 U CN 207111151U
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- China
- Prior art keywords
- back timber
- caving shield
- type hydraulic
- covering type
- mining high
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Abstract
The utility model discloses a kind of adjustable mining high-covering type hydraulic bracket, including back timber, caving shield, tail boom and auxiliary monomer, auxiliary monomer is arranged on one end of back timber straight down, caving shield is arranged on the other end of back timber, it is in 145 180 ° of angles between caving shield and back timber, tail boom is hinged relative to the end of caving shield, both hinged places are provided with jack, the both ends of jack are respectively relative to caving shield and tail boom is hinged, working face is distinguished with mined out, support is moved down using goaf pressure, personnel exploit half-edge coal seam under the conditions of semi-steep.
Description
Technical field
Coal mining field is the utility model is related to, more particularly to a kind of adjustable mining high-covering type hydraulic bracket.
Background technology
In process of coal mining, as seam inclination α>At 45 °, claim steeply pitching seam exploitation.The master of steeply-inclined seam mining
Want feature：The construction of half-edge coal seam is complicated, and tomography and fold are more, and Coal Seam Thickness Change is larger, the occurrence condition of working seam
It is universal it is poor, reserves are few, exploitation is difficult, coal-face production capacity is small.Steeply pitching seam exploitation be present in exploitation half-edge coal seam
The reluctant problem of operating mode of bigger difference be present in problem and ocurrence of coal seam thickness.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of adjustable mining high-covering type hydraulic bracket, suitable for opening
Half-edge coal seam is adopted, to solve caused above-mentioned multinomial defect in the prior art.
To achieve the above object, the utility model provides following technical scheme：A kind of adjustable mining height protected type hydraulic pressure branch
Frame, including back timber, caving shield, tail boom and auxiliary monomer, auxiliary monomer are arranged on one end of back timber straight down, and caving shield is set
It is in 145-180 ° of angle between caving shield and back timber in the other end of back timber, tail boom is hinged relative to the end of caving shield, both
Hinged place be provided with jack, the both ends of jack are respectively relative to caving shield and tail boom is hinged.
Preferably, the back timber sets one end of auxiliary monomer to be hinged with guide beam.
Preferably, dismountable spreading back timber is provided between the back timber and caving shield.
Preferably, the spreading back timber and back timber or the joint face of caving shield, are respectively equipped with neck and projection, both connect
The side wall in face is provided with positioning seat, is bolted.
Preferably, the through hole run through is provided with the projection, sets the end sidewalls of neck to be provided with corresponding positioning hole, leads to
Locating dowel is crossed to be fixed through through hole and positioning hole.
Preferably, the auxiliary monomer is telescopic structure.
Preferably, manipulation valve is additionally provided with the support, manipulates valve connection hydraulic system and jack.
Preferably, annulus chain link is passed through between the hydraulic support.
Preferably, the back timber and caving shield are designed with round-link chain installation region, and the installation region is that parallel water plane is set
The mounting groove put, back timber and caving shield are provided with locating slot perpendicular to the both sides of mounting groove, and the round-link chain is arranged in mounting groove,
Round-link chain is fixed in mounting groove by pilot pin.
Beneficial effect using above technical scheme is：The adjustable mining high-covering type hydraulic bracket of the utility model structure,
Working face is distinguished with mined out, moves down support using goaf pressure, personnel exploit high-dipping under the conditions of semi-steep
Coal seam, and can be realized by two kinds of combinations and the working face of different coal thickness is exploited.
Pillar is simplified to install and removal process, the process procedure such as no processing goaf, has raised labour efficiency；Safety guarantee
Degree is high.Worker works under rack beams, seldom goes out security incident, effectively solves high inclination-angle or the safety support in complicated difficult coal seam is asked
Topic.
Brief description of the drawings
Fig. 1 is the structural representation of the present utility model for having spreading back timber；
Fig. 2 is structural representation of the present utility model
Fig. 3 is the structural representation of detaching structure at spreading back timber；
Fig. 4 is the structural representation of round-link chain；
Fig. 5 is the structural representation at pilot pin.
Wherein, 1-- back timbers, 2-- caving shields, 3-- tail booms, 4-- auxiliary monomers, 5-- spreadings back timber, 6-- guide beams, 7--
Neck, 8-- projections, 9-- positioning seats, 10-- bolts, 11-- through holes, 12-- locating dowels, 13-- manipulate valve, 14-- round-link chains,
15-- jack, 16- positioning holes, 17-- mounting grooves, 18-- locating slots, 19-- round-link chains, 20-- pilot pins, 21-- dividing plates,
22-- locating grooves, 23-- rubber flange collars.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
Fig. 1 shows specific embodiment of the present utility model：A kind of adjustable mining high-covering type hydraulic bracket, including back timber 1,
Caving shield 2, tail boom 3 and auxiliary monomer 4, auxiliary monomer 4 are arranged on one end of back timber 1 straight down, and caving shield 2 is arranged on back timber
1 other end, it is in 145-180 ° of angle between caving shield 2 and back timber 1, tail boom 3 is hinged relative to the end of caving shield 2, both
Hinged place be provided with jack 15, the both ends of jack 15 are respectively relative to caving shield 2 and tail boom 3 is be hinged.
Back timber 1 sets one end of auxiliary monomer 4 to be hinged with guide beam 6；It is provided between back timber 1 and caving shield 2 dismountable
Spreading back timber 5.
As shown in Fig. 2 this structure is on the basis of structure above, the structural representation of dismounting spreading back timber 5.
As shown in figure 3, spreading back timber 5 and back timber 1 or the joint face of caving shield 2, are respectively equipped with neck 7 and projection 8, both
The side wall of joint face is provided with positioning seat 9, is fixed by bolt 10；The through hole 11 run through is provided with projection 8, the end of neck 7 is set
Portion's side wall is provided with corresponding positioning hole 16, is fixed by locating dowel 12 through through hole 11 and positioning hole 16.
Auxiliary monomer 4 is telescopic structure；Be additionally provided with the support manipulate valve 13, manipulate valve 13 connect hydraulic system and
Jack 15.
Connected between hydraulic support by round-link chain 14, the hydraulic support in working face is linked as entirety by round-link chain.
As shown in figure 4, the back timber and caving shield are designed with round-link chain installation region, the installation region is parallel water plane
The mounting groove 17 of setting, back timber and caving shield are provided with locating slot 18 perpendicular to the both sides of mounting groove 17, and the round-link chain 19 is set
In mounting groove 18, round-link chain 19 is fixed in mounting groove 18 by pilot pin 20, the end of the pilot pin is provided with dividing plate
21, the end of dividing plate 21 and pilot pin forms locating groove 22, and the corresponding locating groove 22 of locating slot 18 is provided with rubber flange collar 23.
Spreading back timber uses convenient grafting form, be easy to change dismounting when working face coal seam thickness occurs drastically to change with
Installation；Back timber, spreading back timber and caving shield are multi-segment structure, use annulus chain link between multi-segment structure body, so
Support can be made to have certain displacement in any direction, i.e., so-called " universal " structure, stent flexibility is good.
Working face whole support is linked as entirety by round-link chain, has stronger globality and stability；Screen goaf
Area up to more than 95%, do not leak cash, totally-enclosed management realized to operating space.
The walking of support is mobile to realize automatic shifting frame, nothing mainly by the pushing from goaf spoil and support gravity itself
Power is needed, so as to save the energy, to reduce cost with manually.
Supporting band guide beam, adapt to top plate change；Support tail boom is controlled by jack and realizes swing, can both fit support
Local thinning geological conditions is answered, can put coal beneficial to side when bellying again；Left in support girder close to guide beam position auxiliary
Monomer articulated mounting is helped, is used to adjust whole support state to install auxiliary monomer.
In colliery, last working face has been adopted, and next working face coal seam thickness occur it is jumpy in the case of, ore deposit side
The Coal Seam Thickness Change of next working face is adapted to by different combinations, such as：Squeeze, can uneasy attaching length top
Beam.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (9)
1. a kind of adjustable mining high-covering type hydraulic bracket, it is characterised in that auxiliary including back timber, caving shield, tail boom and auxiliary monomer
Monomer is helped to be arranged on one end of back timber straight down, caving shield is arranged on the other end of back timber, is between caving shield and back timber
145-180 ° of angle, tail boom are hinged relative to the end of caving shield, and both hinged places are provided with jack, the both ends point of jack
It is not hinged relative to caving shield and tail boom.
2. adjustable mining high-covering type hydraulic bracket according to claim 1, it is characterised in that the back timber sets auxiliary single
One end of body is hinged with guide beam.
3. adjustable mining high-covering type hydraulic bracket according to claim 1, it is characterised in that the back timber and caving shield it
Between be provided with dismountable spreading back timber.
4. adjustable mining high-covering type hydraulic bracket according to claim 3, it is characterised in that the spreading back timber and back timber
Or the joint face of caving shield, neck and projection are respectively equipped with, the side wall of both joint faces is provided with positioning seat, is bolted.
5. adjustable mining high-covering type hydraulic bracket according to claim 4, it is characterised in that be provided with and run through at the projection
Through hole, set the end sidewalls of neck to be provided with corresponding positioning hole, be fixed by locating dowel through through hole and positioning hole.
6. adjustable mining high-covering type hydraulic bracket according to claim 1, it is characterised in that the auxiliary monomer is flexible
Formula structure.
7. adjustable mining high-covering type hydraulic bracket according to claim 1, it is characterised in that behaviour is additionally provided with the support
Vertical valve, manipulate valve connection hydraulic system and jack.
8. adjustable mining high-covering type hydraulic bracket according to claim 1, it is characterised in that lead between the hydraulic support
Cross annulus chain link.
9. adjustable mining high-covering type hydraulic bracket according to claim 8, it is characterised in that the back timber and caving shield are all
Provided with round-link chain installation region, the installation region is the mounting groove that parallel water plane is set, and back timber and caving shield are perpendicular to installation
The both sides of groove are provided with locating slot, and the round-link chain is arranged in mounting groove, and round-link chain is fixed in mounting groove by pilot pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992957.8U CN207111151U (en) | 2017-08-09 | 2017-08-09 | A kind of adjustable mining high-covering type hydraulic bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720992957.8U CN207111151U (en) | 2017-08-09 | 2017-08-09 | A kind of adjustable mining high-covering type hydraulic bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207111151U true CN207111151U (en) | 2018-03-16 |
Family
ID=61570979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720992957.8U Active CN207111151U (en) | 2017-08-09 | 2017-08-09 | A kind of adjustable mining high-covering type hydraulic bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207111151U (en) |
-
2017
- 2017-08-09 CN CN201720992957.8U patent/CN207111151U/en active Active
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