CN202745907U - Large-dip-angle blasting light top coal caving support group - Google Patents
Large-dip-angle blasting light top coal caving support group Download PDFInfo
- Publication number
- CN202745907U CN202745907U CN 201220362473 CN201220362473U CN202745907U CN 202745907 U CN202745907 U CN 202745907U CN 201220362473 CN201220362473 CN 201220362473 CN 201220362473 U CN201220362473 U CN 201220362473U CN 202745907 U CN202745907 U CN 202745907U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- hydraulic support
- base
- coal
- hinged
- 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
Links
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a large-dip-angle blasting light top coal caving support group which comprises three hydraulic supports which are arranged at intervals in transverse mode and are of the same structure. Each hydraulic support comprises a base and a top beam, wherein the front end of the top beam is connected with a face guard, each base is provided with a supporting frame, and a connection rod is arranged between each supporting frame and each top beam. The front end of the middle hydraulic support is connected with a front coal slipping frame, the rear end of the middle hydraulic support is connected with a rear coal slipping frame, the bases of the hydraulic supports which are on two sides are respectively connected with a pushing-and-pulling oil cylinder and a drawing-and-pulling oil cylinder, wherein a piston rod of each pushing-and-pulling oil cylinder is hinged with the front coal slipping frame, and a piston rod of each drawing-and-pulling oil cylinder is hinged with the drawing-and-pulling oil cylinder. The base of each hydraulic support is provided with a sleeve, a supporting shaft extending downwards is arranged inside each sleeve, an anti-skidding oil cylinder is hinged between supporting shafts of two adjacent hydraulic supports, each top beam is provided with an anti-inverted support, and an anti-inverted oil cylinder is hinged between the anti-inverted supports of the two adjacent hydraulic supports. The large-dip-angle blasting light top coal caving support group has the advantages of being strong in stability and suitable for large-dip-angle extremely-thick coal bed work surface mining.
Description
Technical field
The utility model relates to a kind of high inclination-angle big gun and adopts the light caving coal prop group.
Background technology
China's high inclination-angle super high seam mainly is distributed in the areas such as Xinjiang and Gansu, and conventional sublevel caving hydrau lic support can't satisfy the needs of high inclination-angle, under the state of 60 ° of high inclination-angles, conventional machine is adopted coal winning process and can't be realized, and complex process, operating difficulties can't be realized the economy exploitation.The support apparatus of at present applicable economy exploitation is cantilever support, and not only production efficiency is low, and labor strength is high, the safety extreme difference, and high inclination-angle super high seam existence exploitation is difficult, production efficiency is low, labour intensity is high, the problem of poor stability.
The utility model content
The technical problems to be solved in the utility model provides a kind of high inclination-angle big gun that is applicable to high inclination-angle super high seam production practice and adopts the light caving coal prop group.
For solving the problems of the technologies described above, the high inclination-angle big gun that provides is adopted the light caving coal prop group and is comprised that three are horizontally arranged at interval and hydraulic support that structure is identical, hydraulic support comprises base and is connected to back timber on the base by bracket upright post, the front end of back timber is connected with the face guard that is driven by sprag ram, its design feature is: the postmedian of base also is arranged with bracing frame, between bracing frame and the back timber connecting rod is housed, the front end of the hydraulic support in the middle of being positioned at is connected with front slide coal frame by the connection pole that is fixed on its base, the rear end is connected with rear slide coal frame by the drawbar that is fixed on its base, be connected with respectively the push cylinder of stretching out the hydraulic support front end on the base of the hydraulic support of both sides and stretch out the dilatory oil cylinder at hydraulic support rear portion, the piston rod of push cylinder is hinged on the front slide coal frame, the piston rod of dilatory oil cylinder is hinged on the rear slide coal frame, the base of hydraulic support is provided with sleeve, bolster is housed in the sleeve, be hinged with anti-skidding oil cylinder between the bolster on adjacent two hydraulic support foundations, the falling-proof bracket of stretching is housed down on the back timber, is hinged with anti-down oil cylinder between the falling-proof bracket of adjacent two hydraulic supports.
The anti-skidding oil cylinder of the side of stretching out laterally is housed respectively on the base of the hydraulic support of both sides.
Wherein on the base of the hydraulic support of a side anti-block apparatus is housed.
Described anti-block apparatus comprises the anti-blocking oil cylinder that is connected to the base sidepiece, and the anti-blocking jumper bar that stretches out forward is housed on the piston rod of anti-blocking oil cylinder.
The postmedian of described back timber slidely connects side guard board, and the side guard board oil cylinder of laterally slippage of driving side backplate also is housed on the back timber.
The front end of back timber is equipped with by the extensible canopy that promotes hydraulic oil cylinder driving, and described face guard is hinged on the bottom of extensible canopy, and the protective screening spool also is equipped with in the front portion of back timber, has installed around protective screening on the protective screening spool, and the free end of protective screening is connected on the front slide coal frame.
After adopting said structure, this support group can be unworthy of scrapper conveyor and coal-winning machine, realized the complete supporting to top board, three is one group of reach of taking a step mutually, the traction point that the front slide coal frame that the support front end is established is every group of hydraulic support, solved the passing problem of hydraulic support when not disposing scrapper conveyor, the rear slide coal frame that back-end support is established is conducive to the natural downslide of rear portion coal; Support is provided with reliable anti-down oil cylinder and anti-skidding oil cylinder, can adapt to≤60 ° high inclination-angle production practice, can satisfy the needs of once passing the 800mm step pitch; Hydraulic support carries out the support alternating forward by the advancing jack on the hydraulic support of both sides, the back timber of hydraulic support is overall structure, and the double connecting rod that arranges on the hydraulic support rationally uses the high-strength plate support top beam, guarantee the stability of hydraulic support, alleviated weight support frame.The anti-block apparatus that arranges can prevent effectively that the slide coal mouth between the adjacent stent group from blocking; Front end is provided with face guard, extensible canopy and protective screening, will slip breeching and hydraulic support inner space effectively to isolate, and damages hydraulic support when preventing explosion; Hydraulic support arranges the bilateral activity side guard board, remains the full closeding state of top board, prevents the spoil working space that falls; Protective screening is set on the hydraulic support, prevents the spoil pedestrian space of falling.
In sum, the utlity model has the advantage that support stability is strong, be applicable to high inclination-angle super high seam working face mining.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 be among Fig. 1 A to schematic diagram;
Fig. 3 be among Fig. 1 B to schematic diagram;
Fig. 4 is that side guard board is installed in the schematic diagram on the back timber.
The specific embodiment
As depicted in figs. 1 and 2, this high inclination-angle big gun is adopted the light caving coal prop group and is comprised that three are horizontally arranged at interval and hydraulic support that structure is identical, hydraulic support comprises base 1 and is connected to back timber 11 on the base 1 by bracket upright post 12, bracket upright post 12 on each base is symmetrical arranged four altogether, the front end of back timber 11 is connected with the face guard 13 that is driven by sprag ram, the postmedian of base 1 also is arranged with bracing frame 14, between bracing frame 14 and the back timber 11 connecting rod 15 is housed, the front end of the hydraulic support in the middle of being positioned at is connected with front slide coal frame 3 by the connection pole 2 that is fixed on its base, the rear end is connected with rear slide coal frame 8 by the drawbar 7 that is fixed on its base, be connected with respectively the push cylinder 4 of stretching out the hydraulic support front end on the base 1 of the hydraulic support of both sides and stretch out the dilatory oil cylinder 6 at hydraulic support rear portion, the piston rod of push cylinder 4 is hinged on the front slide coal frame 3, and the piston rod of dilatory oil cylinder 6 is hinged on the rear slide coal frame 8.When moving frame, post (being that its back timber leaves top board) falls in middle hydraulic support, the hydraulic support top beam of both sides leans on top board, start push cylinder 4, the hydraulic support that slips before ordering about in the middle of driving when coal frame 3 moves forward moves forward a step pitch, middle hydraulic support setting prop (being that its back timber leans on top board), post (being that its back timber leaves top board) falls in the hydraulic support of both sides, the hydraulic support that drives both sides under the effect of push cylinder 4 moves, thereby realizes that this support group moves a step pitch.
As shown in Figures 2 and 3, the front and rear of the base 1 of hydraulic support respectively is provided with two sleeves, bolster is housed in the sleeve, be hinged with anti-skidding oil cylinder 9 between the adjacent bolster on adjacent two hydraulic support foundations, the falling-proof bracket 5 of stretching under two is housed on the back timber 11 of each hydraulic support, be hinged with anti-down oil cylinder 10 between the adjacent falling-proof bracket 5 of adjacent two hydraulic supports, be connected as a single entity by the back timber 11 of anti-down oil cylinder 10 with three hydraulic supports, to be applicable to the high inclination-angle production practice, the anti-skidding oil cylinder 15 of the side of stretching out laterally is housed respectively on the base of the hydraulic support of both sides, the overhanging end of the anti-skidding oil cylinder 15 of side is connected on the support group adjacent with the present invention, a plurality of support groups are connected as a single entity, thereby effectively anti-skidding, to be applicable to mining steeply dipping coal seam.
As shown in Figure 2, wherein on the base 1 of the hydraulic support of a side anti-block apparatus is housed, this anti-block apparatus comprises the anti-blocking oil cylinder 16 that is connected to base 1 sidepiece, and the anti-blocking jumper bar 17 that stretches out forward is housed on the piston rod of anti-blocking oil cylinder 16.As shown in Figure 1 and Figure 4, the postmedian of back timber 11 slidely connects two blocks of side guard boards 18 that stretch out to both sides respectively, and the side guard board oil cylinder 19 of laterally slippage of driving side backplate 18 also is housed on the back timber.The front end of back timber 11 is equipped with by the extensible canopy 22 that promotes hydraulic oil cylinder driving, above-mentioned face guard 13 is hinged on the bottom of extensible canopy, protective screening spool 20 also is equipped with in the front portion of back timber 11, has installed around protective screening 21 on the protective screening spool 20, and the free end of protective screening 21 is connected on the front slide coal frame 3.
Claims (6)
1. a high inclination-angle big gun is adopted the light caving coal prop group, comprise that three are horizontally arranged at interval and hydraulic support that structure is identical, hydraulic support comprises base (1) and is connected to back timber (11) on the base by bracket upright post (12), the front end of back timber (11) is connected with the face guard (13) that is driven by sprag ram, it is characterized in that: the postmedian of base (1) also is arranged with bracing frame (14), between bracing frame (14) and the back timber (11) connecting rod (15) is housed, the front end of the hydraulic support in the middle of being positioned at is connected with front slide coal frame (3) by the connection pole (2) that is fixed on its base, the rear end is connected with rear slide coal frame (8) by the drawbar (7) that is fixed on its base, be connected with respectively the push cylinder (4) of stretching out the hydraulic support front end and the dilatory oil cylinder (6) that stretches out the hydraulic support rear portion on the base of the hydraulic support of both sides, the piston rod of push cylinder (4) is hinged on the front slide coal frame (3), the piston rod of dilatory oil cylinder (6) is hinged on the rear slide coal frame (8), the base of hydraulic support (1) is provided with sleeve, bolster is housed in the sleeve, be hinged with anti-skidding oil cylinder (9) between the bolster on adjacent two hydraulic support foundations, the falling-proof bracket (5) of stretching is housed down on the back timber (11), is hinged with anti-down oil cylinder (10) between the falling-proof bracket of adjacent two hydraulic supports (5).
2. high inclination-angle big gun according to claim 1 is adopted the light caving coal prop group, it is characterized in that: the anti-skidding oil cylinder of the side of stretching out laterally (15) is housed respectively on the base of the hydraulic support of both sides.
3. high inclination-angle big gun according to claim 1 and 2 is adopted the light caving coal prop group, it is characterized in that: wherein on the base of the hydraulic support of a side (1) anti-block apparatus is housed.
4. high inclination-angle big gun according to claim 3 is adopted the light caving coal prop group, it is characterized in that: described anti-block apparatus comprises the anti-blocking oil cylinder (16) that is connected to base (1) sidepiece, and the anti-blocking jumper bar (17) that stretches out forward is housed on the piston rod of anti-blocking oil cylinder (16).
5. high inclination-angle big gun according to claim 1 is adopted the light caving coal prop group, it is characterized in that: the postmedian of described back timber (11) slidely connects side guard board (18), and the side guard board oil cylinder (19) of laterally slippage of driving side backplate (18) also is housed on the back timber.
6. high inclination-angle big gun according to claim 1 is adopted the light caving coal prop group, it is characterized in that: the front end of back timber (11) is equipped with by the extensible canopy (22) that promotes hydraulic oil cylinder driving, described face guard is hinged on the bottom of extensible canopy, protective screening spool (20) also is equipped with in the front portion of back timber (11), installed around protective screening (21) on the protective screening spool (20), the free end of protective screening (21) is connected on the front slide coal frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362473 CN202745907U (en) | 2012-07-25 | 2012-07-25 | Large-dip-angle blasting light top coal caving support group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362473 CN202745907U (en) | 2012-07-25 | 2012-07-25 | Large-dip-angle blasting light top coal caving support group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202745907U true CN202745907U (en) | 2013-02-20 |
Family
ID=47705322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220362473 Expired - Fee Related CN202745907U (en) | 2012-07-25 | 2012-07-25 | Large-dip-angle blasting light top coal caving support group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202745907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748056A (en) * | 2012-07-25 | 2012-10-24 | 山东矿机集团股份有限公司 | Large-inclination blasting mining light top coal caving bracket set |
| CN105221174A (en) * | 2015-10-08 | 2016-01-06 | 山西晋城无烟煤矿业集团有限责任公司 | Cross inbreak section supporting method |
-
2012
- 2012-07-25 CN CN 201220362473 patent/CN202745907U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748056A (en) * | 2012-07-25 | 2012-10-24 | 山东矿机集团股份有限公司 | Large-inclination blasting mining light top coal caving bracket set |
| CN105221174A (en) * | 2015-10-08 | 2016-01-06 | 山西晋城无烟煤矿业集团有限责任公司 | Cross inbreak section supporting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102128040B (en) | Hydraulic striding-type advanced-support equipment | |
| CN102444416B (en) | Fully mechanized mining face hydraulic support beam-type retracting device | |
| CN106522832B (en) | Vertical raising drilling machine | |
| CN103452574B (en) | Auxiliary bracket moving device of circular self-moving advance support | |
| CN202391444U (en) | Beam type retracting device of hydraulic bracket of fully-mechanized coal face | |
| CN205047241U (en) | Tunnel quick travel formula advance support support | |
| CN201835831U (en) | Digging and conveying fully-mechanized mining unit for high-pitch long-wall working face | |
| CN201953390U (en) | Hydraulic walking advance support equipment | |
| CN203717005U (en) | Cyclically moving advanced supporting hydraulic bracket for two roadways of fully mechanized coal mining face | |
| CN201221371Y (en) | Double-girder double-column hydraulic support stepping apparatus | |
| CN203796302U (en) | Circulation self-moving type forepoling auxiliary rack moving device | |
| CN107178384A (en) | The advanced telescopic cantilever suspension device of tunnelling and its construction method | |
| CN201170107Y (en) | Immediate support device for digging machine | |
| CN202745907U (en) | Large-dip-angle blasting light top coal caving support group | |
| CN102322281B (en) | Tunnel quick-tunneling advance support integrated device | |
| CN201650332U (en) | Hydraulic supporting device for fully-mechanized coal winning working face | |
| CN102748056A (en) | Large-inclination blasting mining light top coal caving bracket set | |
| CN201090231Y (en) | Supporting association hydraulic support for coal face | |
| CN201953391U (en) | Comprehensively mechanized filling coal face tip hydraulic support | |
| CN201671645U (en) | Withdrawing sling cart of fully-mechanized mining hydraulic bracket | |
| CN101818649B (en) | Hydraulic supporting device for fully-mechanized coal driving workface | |
| CN103216252B (en) | Roadway advanced supporting supports capable of assisting machinery to move | |
| CN204357457U (en) | Crawler type anchor props up machine | |
| CN203603946U (en) | Electrohydraulic-control large-working-resistance four-column top coal caving support | |
| CN202090874U (en) | Integrated advance support device for mine speedy drivage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20150725 |
|
| EXPY | Termination of patent right or utility model |