CN207879366U - Across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height - Google Patents
Across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height Download PDFInfo
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- CN207879366U CN207879366U CN201721782995.7U CN201721782995U CN207879366U CN 207879366 U CN207879366 U CN 207879366U CN 201721782995 U CN201721782995 U CN 201721782995U CN 207879366 U CN207879366 U CN 207879366U
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Abstract
The utility model discloses one kind across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, including interior cycle internal pressure balanced type triple retractable column, the slitless connection structure of high degree of correlation four-bar mechanism, high-strength flexible passage rod structure, dibit balance jack structure, the complete anti-skid device of holder, curved shield beam structure, light mobile formula connecting rod side guard board structure, the embedded telescopic girder mechanism of jack.Now standoff classification is spanned, adjacent two kinds even three kinds of thickness coal seams can be covered, such as：The application supporting range of holder includes girdle and medium-thickness seam, or covers medium-thickness seam and high seam etc., the characteristics of being equivalent to the supporting range of two kinds or three total not unit-frame types, meet two or three of holder.The propulsion of working face extra long distance may be implemented, improve the rate of recovery of coal resources.
Description
Technical field
The utility model is related to a kind of coal mine fully-mechanized mining working hydraulic support, more particularly to one kind are big across the big magnification of limit for height
The efficient fully mechanized mining support apparatus in inclination angle.
Background technology
Current fully-mechanized mining working surface hydraulic support can be divided by suitable coals layer height：Hydraulic support for low coal seam, medium-thickness seam liquid
Press holder, high seam hydraulic support and several classes of super high seam hydraulic support.
With the development of modern mining techniques, what working face overlength advance distance and coal resources high-recovery required carries
Height, across limit for height holder increasingly become the active demand of coal mining.
In the prior art, it is the possibility accommodation for increasing support apparatus, takes and increase column mounting inclination angle degree, use up
The multinomial technology such as column inclination angle when column extension contains into section, optimization double leval jib curve, reduction stent may be reduced to change
Good measure makes the magnification of support apparatus reach：Low working resistance (being less than 5000kN) 2.5, medium working resistance (5000~
8000kN) 2.4, big working resistance (being more than 8000kN) 2.3.
The shortcomings that prior art：
It is limited than, double leval jib stabilizing mechanism by vertical column expanding, it is insufficient to adapt to coal seam thickness span scope, cannot meet big
Span seam mining produce reality needs；Support apparatus is in low level in application, support efficiency is low, caving shield bastard coal downslide angle
Small, production application usability is poor.
Utility model content
The purpose of this utility model is to provide one kind across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height.
The purpose of this utility model is achieved through the following technical solutions：
The utility model across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, including interior cycle internal pressure balanced type
Triple retractable column, the slitless connection structure of high degree of correlation four-bar mechanism, high-strength flexible passage rod structure, dibit balance jack
The complete anti-skid device of structure, holder, curved shield beam structure, light mobile formula connecting rod side guard board structure, jack insertion
Formula telescopic girder mechanism.
What the utility model embodiment provided it can be seen from above-mentioned technical solution provided by the utility model is big across limit for height
The efficient fully mechanized mining support apparatus of magnification high inclination-angle, spans now standoff classification, can cover adjacent two kinds even three kinds of thickness
Coal seam is spent, such as：Holder includes girdle and medium-thickness seam using supporting range, or covers medium-thickness seam and thick coal
The characteristics of layer etc. is equivalent to the supporting range of two kinds or three total not unit-frame types, meets two or three of holder；
The supporting height scope limitation for breaching conventional stent realizes large span seam mining supporting.Across limit for height holder
Application, the propulsion of working face extra long distance may be implemented, improve the rate of recovery of coal resources, improve Mining Group support apparatus
Utilization rate pushes the development and progress of support apparatus technology, is conducive to support apparatus standardization, seriation development.
Description of the drawings
Fig. 1 is the structural schematic diagram of interior cycle internal pressure balanced type triple retractable column in the utility model embodiment；
Fig. 2 is the schematic diagram of the slitless connection structure of high degree of correlation four-bar mechanism in the utility model embodiment；
Fig. 3 be the utility model embodiment in low coal mining when front rod after position structural schematic diagram；
The structural schematic diagram of front rod anteposition when Fig. 4 is low coal mining in the utility model embodiment；
The structural schematic diagram of front rod anteposition when Fig. 5 is high coal mining in the utility model embodiment；
Fig. 6 is the structural schematic diagram of position after front rod when height is mined in the utility model embodiment；
Fig. 7 is the schematic diagram of high-strength flexible passage rod structure in the utility model embodiment；
Fig. 8 is the structural schematic diagram that high-strength flexible pusher rod is withdrawn in the utility model embodiment；
Fig. 9 is the structural schematic diagram that high-strength flexible pusher rod is stretched out in the utility model embodiment；
Figure 10 is the structural schematic diagram that brace type balances in the utility model embodiment；
Figure 11 is the structural schematic diagram that protected type balances in the utility model embodiment；
Figure 12 is the structural schematic diagram of dibit balance switching protection in the utility model embodiment；
Figure 13 is the structural schematic diagram of curved caving shield in the utility model embodiment；
Figure 14 is the structural schematic diagram of straight type caving shield in the prior art；
Figure 15 is the structural schematic diagram of light mobile formula connecting rod side guard plate in the utility model embodiment；
Figure 16 is the structural schematic diagram that low level exploits supporting state in the utility model embodiment；
Figure 17 is the structural schematic diagram of high-order exploitation supporting state in the utility model embodiment；
Figure 18 is the present invention looks up structural representation of extensible canopy in the utility model embodiment；
Figure 19 is the babinet section structure diagram of extensible canopy in the utility model embodiment；
Figure 20 is the structural schematic diagram of top beam labial lamina in the utility model embodiment；
Figure 21 is the structural schematic diagram of top beam in the utility model embodiment；
Figure 22 is extensible canopy in the prior art and longitudinal section structure diagram in the middle part of joist；
Figure 23 is extensible canopy and longitudinal section structure diagram in the middle part of joist in the utility model embodiment.
In figure：
1, column large cylinder, 2, bottom valve A, 3, bottom valve B, 4, guide sleeve, 5, level-one middle cylinder, 6, two level middle cylinder, 7, three-level middle cylinder,
8, pressure balancing stem, 9, piston；
11, jack ear mount and the axis pin being fixed on pedestal, 12, hinge is transposed jack under front rod, 13, be fixed on
Jack ear mount on front rod and axis pin, 14, fixed block and limiting device, 15, hinge axis pin under front rod, 16, sliding block and
Fixing device；
21, inner push-rod, 22, fixed pin shaft, 23, outer push rod；
31, balance jack, 32, dibit balance switching protection jack；
41, connecting rod, 42, reassembling type connecting rod side guard plate；
51, extensible canopy, 52, wall supporting jack, 53, extensible canopy babinet section, 54, top beam labial lamina, 55, extensible canopy it is very heavy
Top, 56, top beam.
Specific implementation mode
The utility model embodiment will be described in further detail below.Do not make in the utility model embodiment in detail
The content of description belongs to the prior art well known to professional and technical personnel in the field.
The utility model across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, preferable specific implementation mode
It is：
Slitless connection structure, high-strength including interior cycle internal pressure balanced type triple retractable column, high degree of correlation four-bar mechanism
Flexible passage rod structure, dibit balance jack structure, the complete anti-skid device of holder, curved shield beam structure, light-duty work
Dynamic formula connecting rod side guard board structure, the embedded telescopic girder mechanism of jack.
The interior cycle internal pressure balanced type triple retractable column includes in column large cylinder, bottom valve A, bottom valve B, guide sleeve, level-one
Cylinder, two level middle cylinder, three-level middle cylinder, pressure balancing stem, piston, the liquid circulation to be drilled by casing wall between forming cylinders at different levels are logical
Pressure balance linkage is arranged in road in the three-level middle cylinder.
The slitless connection structure of the high degree of correlation four-bar mechanism includes hinge positioning jack, front rod under front rod
Lower hinge be equipped with former and later two positions, under the front rod hinge positioning jack be connected to pedestal and the front rod it
Between.
The high-strength flexible passage rod structure includes inner push-rod, outer push rod, is stretched for drawer type between inner push-rod and outer push rod
Contracting bascule is simultaneously connected by fixed pin shaft, and the inner push-rod and/or outer push rod are equipped with multiple axis pin fixed positions.
The dibit balance jack structure includes balance jack, and the both ends of the balance jack are connected to top
On the beam and caving shield or both ends of the balance jack are connected on top beam and pedestal, and the balance jack is set
There is dibit balance switching protection jack.
The complete anti-skid device of holder includes：
Anti-skid installation site is reserved respectively in the top beam and pedestal of holder, and passes through the anti-skid installation site
The connected anti-skid device of the connected tilting prevention device of adjacent top beam, adjacent pans, scrapper conveyor anti-skid device are set.
The curved shield beam structure includes：
The caving shield of holder is designed to curved.
The light mobile formula connecting rod side guard board structure includes：
The connecting rod side guard plate of holder is designed to reassembling type connecting rod side guard plate.
The embedded telescopic girder mechanism of jack includes：
The beam body external hanging type structure of extensible canopy jack is changed into embedded structure in beam body, and uses extensible canopy joist
Integral structure.
The utility model across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, it is high across coal seam limitation of classifying
Degree realizes the super large magnification of column and rock-steady structure, and it is high that supporting range can be suitable for two or more neighbor classified coal seams
Degree, has the characteristics of relatively low and higher two kinds of holders, and corollary equipment can adapt to two or more relatively low and higher types and mine
Machine and scratch board conveyor have stronger adaptability and versatility for different coal seams and geological conditions.
Concrete application is illustrated：
ZY12000/18/52D type hydraulic shield supports：
Magnification reaches 2.89；
Supporting range can adapt to 2.0~5.0 meters of large span thickness seam minings；
Mating " MG650/1690-WD coalcutters, GZ1000/2*1000 drag conveyors " is can adapt to, can adapt to match
It covers " MG450/1020-WD coalcutters, SGZ960/1400 scrapper conveyors " etc.；
In 2~3 meters of holder mining height, four-bar mechanism is finely tuned in production scene, reduces 3~4 degree of column inclination angle, improves and prop up
The support efficiency of frame；
Using curved caving shield, caving shield horizontal sextant angle when increasing low level mining height more adapts to low mining and high comprehensive mining supporting；
Using the embedded telescopic girder mechanism of jack, the thickness of holder beam body is thinned, it is empty to increase corollary equipment placement in frame
Between；
The switching application of protected type balance mechanism and support shield type balance mechanism substantially adjusting bracket can cut top energy
Power makes holder more adapt to different roof conditions；
The setting of anti-down anti-skid bracket device makes holder adapt to the exploitation supporting of different angle working face；
Holder lifts the setting of bottom and protective device, and holder is made to adapt to the safe working in different bottom plate conditional operations face.
ZY12000/18/52D type hydraulic shield supports：
2~5 meters of different-thickness coal fully mechanized mining supportings are can adapt to, 2~5 meters of large span coal seam fully mechanized mining supportings, energy are can adapt to
The coal seam fully mechanized mining supporting of different geological conditions working face is enough adapted to, there is very strong versatility and adaptability.
The utility model solves extra-high voltage systematic difference of three telescopic oil cylinders in mining bracket, realizes that column super large is stretched
Contracting ratio；Solve the super large magnification problem of implementation of bracket stable mechanism；Solves holder large span coal seam, each thickness exploits supporting
Adaptability；Solves the mating adaptability of holder and two or more Mining Transport equipment；Holder is solved to high inclination-angle work
Make face, softer floor, compared with the adaptability of the different operatings such as tight roof face geological conditions.
Specific embodiment：
One, interior cycle internal pressure balanced type triple retractable column：
1, utility model principle：
1) hydraulic thrust that column cylinder bodies at different levels generate is identical, and three-level cylinder hydraulic pressure area is minimum, and hydraulic pressure is more maximum than pressure.
Pressure balance linkage is set in three-level cylinder, increases fluid pressure forced area, reduces three-level cylinder hydraulic pressure than pressure.
2) by casing wall drilling realize cylinders at different levels between liquid circulation flow, two, three-level cylinder body external feed liquor need not be set
Mouthful.
2, structure is realized：
As shown in Figure 1, including column large cylinder 1, bottom valve A2, bottom valve B3, guide sleeve 4, level-one middle cylinder 5, two level middle cylinder 6, three
Grade middle cylinder 7, pressure balancing stem 8, piston 9.
3, specific implementation citing：
ZY12000/18/52D type hydraulic support columns, cylinder diameter Φ 440/340/230mm, stroke 3400mm；
Large cylinder hydraulic pressure 39.5MPa, level-one middle cylinder hydraulic pressure 66MPa, two level middle cylinder hydraulic pressure 108MPa；
Using the steel material of current techniques, sealing and bottom valve, application requirement disclosure satisfy that, realize three telescopic oil cylinders and exist
The extra-high voltage systematic difference of mining bracket.
Two, the slitless connection structure of high degree of correlation four-bar mechanism：
1, utility model principle：
Former and later two positions of hinge under front rod are adjusted by jack, one section of jack is fixed on the base, one section
It is fixed on front rod, fixes lower position of articulating point after adjusting position, be transformed to another four-bar mechanism.Make have low mining height
With high mining height bracket support feature,
2, structure is realized：
As shown in Fig. 2, including being fixed on hinge positioning jack under the jack ear mount on pedestal and axis pin 11, front rod
12, be fixed on hinge axis pin 15 under the jack ear mount on front rod and axis pin 13, fixed block and limiting device 14, front rod,
Sliding block and fixing device 16.
Specific implementation citing：
ZY12000/18/52D hydraulic shield supports, hinge front and back position is at a distance of 60mm under front rod；
As shown in Figure 3, Figure 4, when low level is mined (3.2 meters or less), under front rod hinge in rear position.When this state, branch
Frame performance is compared with hinge under front rod is in anteposition, and 1. column level inclination increases, and support efficiency improves；Add 2. holder cuts top power
Greatly；3. caving shield horizontal sextant angle increases, holder is carried on the back cash power and is reduced；4. bracket base reduces vertex (vertices) end than pressure；5. holder is whole
Stress improves；
As shown in Figure 5, Figure 6, when a high position is mined (3.2 meters or more), hinge is in anteposition under front rod.When this state, branch
1. frame performance reduces beam-ends away from making beam-ends away from suitable range compared with hinge under front rod is in rear position；2. before holder center of gravity
It moves, holder is made to be in more stable state；3. improving whole stress of the holder when a high position is mined.
Three, high-strength flexible passage rod structure：
1, utility model principle：
Pusher rod is designed to drawer type telescopic movable structure, with axis pin fixed position, the length of pusher rod can be adjusted
Degree, to adjust the position relationship between the corollary equipment and holder of pusher rod connection.
2, structure is realized：
As shown in fig. 7, comprises inner push-rod 21, outer push rod 23, pass through fixed pin shaft 22 between inner push-rod 21 and outer push rod 23
Connection.
3, specific implementation citing：
ZY12000/18/52D hydraulic shield supports：
As shown in Figure 8, Figure 9, two groups of fine tuning holes, pitch-row 150mm is arranged in pusher rod of stretching；Two groups of fine tuning control holders are at a distance of one
A step pitch.
The application effect of flexible pusher rod：
By the adjusting for pusher rod of stretching, it can adapt to that mating " MG650/1690-WD coalcutters, GZ1000/2*1000 are scraped
Plate conveyer " also can adapt to mating " MG450/1020-WD coalcutters, SGZ960/1400 scrapper conveyors " etc.；
By the flexible pusher rod of adjusting, two kinds of mating modes of fully mechanized mining supporting of instant supporting and Lagging support can be realized.
Four, dibit balance jack structure：
1, utility model principle：
Protected type balance jack refers to that the both ends of balance jack are connected on top beam and caving shield, and holder cuts top
Power is generated by the pulling force of jack；Brace type balance jack refer to balance jack both ends be connected to top beam and
On pedestal, holder, which cuts top power, to be generated by the thrust of jack；And the thrust of jack is far longer than pulling force, simultaneously supports formula
The horizontal sextant angle of balance jack and top beam is balanced more than protected type, and therefore, the top power of cutting of brace type balance jack is much larger than
Protected type.
According to hard, the degree of crushing of top plate, the size for cutting top power is needed according to fully mechanized mining supporting, it can be to the dibit of holder
Balance jack switches over, and safety prevention measure is arranged in handoff procedure.
2, structure is realized：
As shown in Figure 10, Figure 11, Figure 12, including brace type balance, protected type balance, dibit balance switching safeguard structure.
3, specific implementation citing：
ZY12000/18/52D hydraulic shield supports, balance jack specification be Φ 250/160mm, locking thrust with
Locking pulling force is respectively 2109kN and 1216kN (Pk=43MPa), and dibit balance switching protection jack specification is Φ 80/
160mm。
It is as follows that two kinds of position balance jack cut top power comparison：
| Support height (mm) | 2050 | 2200 | 2400 | 2600 | 2800 |
| Protected type balances | 41kN | 46kN | 51kN | 57kN | 59kN |
| Brace type balances | 395kN | 543kN | 708kN | 836kN | 938kN |
Five, the complete anti-skid device of holder：
Set cap pedestal reserves anti-skid installation site；
The connected anti-skid device of the connected tilting prevention device of adjacent top beam, adjacent pans, scrapper conveyor anti-skid device are set.
Six, curved shield beam structure：
1, utility model principle and structure：
Holder caving shield is usually template, and in low level fully mechanized mining supporting, caving shield dorsal horn (horizontal sextant angle) is smaller, is unfavorable for
Roof caving bastard coal glides, and deteriorates support force state, is easy to cause the bad fully mechanized mining supporting state of holder, for example shoot high race state
Deng.
Using curved caving shield, similar hilt form, caving shield dorsal horn when increasing holder low level fully mechanized mining supporting state improves
Caving shield carries on the back cash sliding force, improves support force state.
2, specific implementation citing：
ZY12000/18/52D hydraulic shield supports compare straight panel using its dorsal horn when curved caving shield as shown in figure 13
Type increases by 7 degree, and in holder 2500mm states, bastard coal sliding force increases by 24.2%.
Seven, light mobile formula connecting rod side guard board structure：
1, utility model principle：
Across limit for height holder adapts to wide span coal layer thickness fully mechanized mining supporting, has Bracket in Thin Coal Seam, medium-thickness seam holder and thickness
The characteristics of coal seam holder, two or three of holder.
Girdle and medium-thickness seam holder, since mining height is relatively low, connecting rod side guard plate need not be arranged in when holder fully mechanized mining supporting, together
When the space of connecting rod side guard plate is also not provided in holder in low level mining height；When thick coal-layer mining, working seam is big, to prevent
Old man's bastard coal is scurried into frame, and connecting rod side guard plate need to be arranged in holder.
Across limit for height holder need to meet two kinds of holder requirements simultaneously：Light-duty, convenient installing type connecting rod side guard plate is set, according to reality
Border produces fully mechanized mining and needs to cancel or install.
2, specific implementation citing：
ZY12000/18/52D hydraulic shield supports, as shown in figure 15, connecting rod side guard plate are movable, are consolidated by bolt
It is fixed, the fixed forms such as axis pin, board slot can also be passed through；The material of movable connecting rod side guard plate uses the materials such as the twigs of the chaste tree or rubber,
Has light-duty, intensity, certain toughness and plasticity；It, as needed, can be easily in fully mechanized mining branch nurse as shown in Figure 16, Figure 17
Make face scene and carries out connecting rod side guard plate disassembling operations.
Eight, the embedded telescopic girder mechanism of jack：
1, utility model principle：
When holder mining height height is relatively low, to ensure safe operation under coal mining rack, it is desirable that have enough frame down spaces, be
This, reduce the thickness of the top beam front end of holder, especially big working resistance holder and the branch with extensible canopy and wall supporting as far as possible
Frame.
To reduce the top beam thickness with extensible canopy and side protecting mechanism, ensure structural strength, one by the beam of extensible canopy jack
External hanging structure changes into embedded structure in beam body, and two use extensible canopy joist integral structure.
2, structure is realized：
The embedded telescopic girder mechanism of jack：
As shown in Figure 18 to Figure 21, five box type telescopic beam beam bodies, outside two tanks are thick box, and three babinet of middle part is thin case
Telescopic jack is embedded in top beam beam body by type.
Extensible canopy joist integral structure：
As shown in figure 22, in usual structure, extensible canopy raising middle flask is single plate structure, and wall supporting jack joist is independent structure；
As shown in figure 23, in extensible canopy joist integral structure, extensible canopy veneer raising middle flask is merged into joist：With wall supporting jack
The extensible canopy middle case of connection otic placode improves extensible canopy beam body intensity.
3, specific implementation citing：
ZY12000/18/52D hydraulic shield support top beams use the embedded telescopic girder mechanism of jack, top beam front end thick
Degree is reduced to 320mm or so by the 550mm or so of usual mechanism, according to machine space is crossed in frame, can reduce the minimum fully mechanized mining of holder
Highly more than 200 millimeter.
The advantageous effect that technical solutions of the utility model are brought：
1, seam mining height can be adjusted to a wide range according to coal seam thickness, improve working face coal back production efficiency；
2, thickness large span variation seam mining is can adapt to, advance of the face length is extended, reduces equipment removal of home stopping surface,
Improve production efficiency；
3, large span holder can adapt to the fully mechanized mining supporting of wide range coal seam thickness, reduces fully-mechanized mining working supporting and sets
Standby application type reduces the utilization rate of the idle raising support apparatus of support apparatus, is conducive to standardized to greatest extent
Production and equipment management reduce production and equipment management cost；
4, across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, the developing direction of support apparatus has been led, has been pushed
The technology development of fully mechanized mining support apparatus.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
Subject to the scope of protection of the claims.
Claims (9)
1. one kind is across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, which is characterized in that balanced including interior cycle internal pressure
Formula triple retractable column, the slitless connection structure of high degree of correlation four-bar mechanism, high-strength flexible passage rod structure, dibit balance are very heavy
The complete anti-skid device of roof construction, holder, curved shield beam structure, light mobile formula connecting rod side guard board structure, jack are embedding
Enter formula telescopic girder mechanism.
2. according to claim 1 across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, which is characterized in that described
Interior cycle internal pressure balanced type triple retractable column include column large cylinder, bottom valve A, bottom valve B, guide sleeve, level-one middle cylinder, two level middle cylinder,
Three-level middle cylinder, pressure balancing stem, piston, drilled the liquid circulation channel to be formed between cylinders at different levels by casing wall, in the three-level
Pressure balance linkage is set in middle cylinder.
3. according to claim 1 across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, which is characterized in that described
The slitless connection structure of high degree of correlation four-bar mechanism include under front rod hinge transpose jack, the lower hinge of front rod is equipped with
Former and later two positions, hinge positioning jack is connected between pedestal and the front rod under the front rod.
4. according to claim 1 across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, which is characterized in that described
High-strength flexible passage rod structure includes inner push-rod, outer push rod, between inner push-rod and outer push rod simultaneously for drawer type telescopic movable structure
It is connected by fixed pin shaft, the inner push-rod and/or outer push rod are equipped with multiple axis pin fixed positions.
5. according to claim 1 across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, which is characterized in that described
Dibit balance jack structure includes balance jack, and the both ends of the balance jack are connected to top beam and caving shield
On or the both ends of the balance jack be connected on top beam and pedestal, the balance jack is balanced equipped with dibit
Switching protection jack.
6. according to claim 1 across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, which is characterized in that described
The complete anti-skid device of holder includes：
Anti-skid installation site is reserved respectively in the top beam and pedestal of holder, and is arranged by the anti-skid installation site
The connected anti-skid device of the connected tilting prevention device of adjacent top beam, adjacent pans, scrapper conveyor anti-skid device.
7. according to claim 1 across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, which is characterized in that described
Curved shield beam structure includes：
The caving shield of holder is designed to curved.
8. according to claim 1 across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, which is characterized in that described
Light mobile formula connecting rod side guard board structure includes：
The connecting rod side guard plate of holder is designed to reassembling type connecting rod side guard plate.
9. according to claim 1 across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height, which is characterized in that described
The embedded telescopic girder mechanism of jack includes：
The beam body external hanging type structure of extensible canopy jack is changed into embedded structure in beam body, and using extensible canopy joist one
Change structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782995.7U CN207879366U (en) | 2017-12-19 | 2017-12-19 | Across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721782995.7U CN207879366U (en) | 2017-12-19 | 2017-12-19 | Across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939433A (en) * | 2017-12-19 | 2018-04-20 | 中煤北京煤矿机械有限责任公司 | Across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height |
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2017
- 2017-12-19 CN CN201721782995.7U patent/CN207879366U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939433A (en) * | 2017-12-19 | 2018-04-20 | 中煤北京煤矿机械有限责任公司 | Across the efficient fully mechanized mining support apparatus of the big magnification high inclination-angle of limit for height |
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