CN202866847U - Top coal caving hydraulic support with back pulling sliding drag chain convenient to adjust - Google Patents
Top coal caving hydraulic support with back pulling sliding drag chain convenient to adjust Download PDFInfo
- Publication number
- CN202866847U CN202866847U CN201220469713.9U CN201220469713U CN202866847U CN 202866847 U CN202866847 U CN 202866847U CN 201220469713 U CN201220469713 U CN 201220469713U CN 202866847 U CN202866847 U CN 202866847U
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- Prior art keywords
- pin
- hinged
- hinge
- extensible canopy
- base
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- Expired - Lifetime
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Abstract
The utility model discloses a top coal caving hydraulic support with a back pulling sliding drag chain convenient to adjust. The top coal caving hydraulic support with the back pulling sliding drag chain convenient to adjust solves the problem that the back pulling sliding drag chain of an existing top coal caving hydraulic support is difficult to adjust and replace, and comprises a base (17), a front connecting rod (11), a back connecting rod (12) and a shielding beam (14). A front hydraulic stand column and a back hydraulic stand column are respectively arranged on the base (17). A top beam (7) is arranged between the top of the front hydraulic stand column (9) and the top end of the back hydraulic stand column (10). A double-lug chain ring clamp (22) with the back pulling sliding drag chain is fixedly arranged on the lateral side of one side of the base (17). A pair of through holes (23) is formed in the double-lug chain ring clamp (22). A pin seat (25) is arranged at the head position of the back pulling sliding drag chain (26). A pin passing hole is formed in the pin seat (25). A pin (24) is movably connected in the through holes (23) and the pin passing hole of the pin seat (25) in a penetrating mode. A U-shaped clamp (27) is connected with the tail end of the pin (24) in a clamping mode. The top coal caving hydraulic support with the back pulling sliding drag chain convenient to adjust is simple in structure and convenient to install.
Description
Technical field
The utility model relates to a kind ofly can conveniently adjust the caving roof coal hydraulic support that draws rear slide haulage chain.
Background technology
In the down-hole coal excavation production operation, the rear slide haulage chain that draws of sublevel caving hydrau lic support need to often be adjusted according to need of production.The rear slide haulage chain that draws of existing sublevel caving hydrau lic support is generally adjusted by bolt clip plate.In underground work, because work plane is moist, coal dust is many, and it is dead that bolt clip plate is easy to rust, exists to adjust to change to draw rear slide haulage chain very difficult, thereby has had influence on the conventional maintenance to caving roof coal hydraulic support.
Summary of the invention
The utility model provides a kind of can conveniently adjust the caving roof coal hydraulic support that draws rear slide haulage chain, solved caving roof coal hydraulic support in the coal mining process, particularly moist at work plane, in the operating mode of inclement condition, the easily dead phenomenon of rust of bolt clip plate often occurs, and causes adjusting and changing the technical problem of drawing rear slide haulage chain difficulty.
The utility model is by the above problem of following solution:
A kind ofly can conveniently adjust the caving roof coal hydraulic support that draws rear slide haulage chain, comprise base, front rod, back link and caving shield, the upper end of front rod is connected with caving shield by the first hinge, the lower end of front rod is connected with base by the second hinge, the upper end of back link is connected with caving shield by the 3rd hinge, the lower end of back link is connected with base by the 4th hinge, hydraulic vertical prop and rear hydraulic vertical prop before base is respectively arranged with, between the top of the top of front hydraulic vertical prop and rear hydraulic vertical prop, be provided with back timber, the rear end of back timber is connected with the front end of caving shield by the 5th hinge, be provided with tail boom and plate in the rear end of caving shield, the front end of back timber is connected with the cavity front-axle beam by the 6th hinge, be fixedly installed in a flank side surface of base and slip the ears chain link card of haulage chain after drawing, be provided with a pair of through hole at ears chain link card, draw the head of rear slide haulage chain to be provided with key seat, be provided with pin at key seat and pass through the hole, the pin of pin activity cross-under on through hole and key seat be by in the hole, is connected with the U-shaped clamp at the tail end of pin.
In the cavity of cavity front-axle beam, be provided with slide rail, be movably set with slide block at slide rail, be fixedly installed extensible canopy at slide block, front end at extensible canopy is hinged with outrigger, bottom surface at the cavity front-axle beam is provided with extensible canopy driving cylinder, the output shaft of extensible canopy driving cylinder and the front end of extensible canopy are hinged, outrigger is V-arrangement, the outrigger afterbody of V-arrangement and the front end of extensible canopy are hinged, the outrigger middle part of V-arrangement is hinged with an end of quarter butt, the other end and the stock of quarter butt are hinged, and the other end of stock and the front end of extensible canopy are hinged.
The utility model is simple in structure, and is easy for installation, changes for the sublevel caving hydrau lic support adjustment and draws the technical problem of rear slide haulage chain difficulty that a kind of effective solution is provided.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the annexation structural representation that draws between rear slide haulage chain and the base 17.
The specific embodiment
A kind ofly can conveniently adjust the caving roof coal hydraulic support that draws rear slide haulage chain, comprise base 17, front rod 11, back link 12 and caving shield 14, the upper end of front rod 11 is connected with caving shield 14 by the first hinge 18, the lower end of front rod 11 is connected with base 17 by the second hinge 20, the upper end of back link 12 is connected with caving shield 14 by the 3rd hinge 19, the lower end of back link 12 is connected with base 17 by the 4th hinge 21, hydraulic vertical prop 9 and rear hydraulic vertical prop 10 before base 17 is respectively arranged with, between the top of the top of front hydraulic vertical prop 9 and rear hydraulic vertical prop 10, be provided with back timber 7, the rear end of back timber 7 is connected with the front end of caving shield 14 by the 5th hinge 13, be provided with tail boom 15 and plate 16 in the rear end of caving shield 14, the front end of back timber 7 is connected with cavity front-axle beam 5 by the 6th hinge 8, be fixedly installed in a flank side surface of base 17 and slip the ears chain link card 22 of haulage chain after drawing, be provided with a pair of through hole 23 at ears chain link card 22, draw the head of rear slide haulage chain 26 to be provided with key seat 25, be provided with pin at key seat 25 and pass through the hole, the pin of pin 24 activity cross-under on through hole 23 and key seat 25 be by in the hole, is connected with U-shaped clamp 27 at the tail end of pin 24.
In the cavity of cavity front-axle beam 5, be provided with slide rail, be movably set with slide block at slide rail, be fixedly installed extensible canopy 4 at slide block, front end at extensible canopy 4 is hinged with outrigger 1, bottom surface at cavity front-axle beam 5 is provided with extensible canopy driving cylinder 6, the output shaft of extensible canopy driving cylinder 6 and the front end of extensible canopy 4 are hinged, outrigger 1 is V-arrangement, outrigger 1 afterbody of V-arrangement and the front end of extensible canopy 4 are hinged, outrigger 1 middle part of V-arrangement and an end of quarter butt 2 are hinged, the other end of quarter butt 2 and stock 3 are hinged, and the front end of the other end of stock 3 and extensible canopy 4 is hinged.
During use, the key seat 25 that draws the head setting of rear slide haulage chain 26 is placed on 22 li on ears chain link card, pin 24 is pierced into through hole 23 on the ears chain link card and the pin hole on the key seat 25, and be inserted into U-shaped clamp 27 in the draw-in groove of afterbody of pin 24, block pin 24, make its not vibration.Need to adjust when drawing rear slide haulage chain, need only pull up U-shaped clamp 27, just can all take off.
Claims (2)
1. can conveniently adjust the caving roof coal hydraulic support that draws rear slide haulage chain for one kind, comprise base (17), front rod (11), back link (12) and caving shield (14), the upper end of front rod (11) is connected with caving shield (14) by the first hinge (18), the lower end of front rod (11) is connected with base (17) by the second hinge (20), the upper end of back link (12) is connected with caving shield (14) by the 3rd hinge (19), the lower end of back link (12) is connected with base (17) by the 4th hinge (21), be respectively arranged with front hydraulic vertical prop (9) and rear hydraulic vertical prop (10) at base (17), between the top of the top of front hydraulic vertical prop (9) and rear hydraulic vertical prop (10), be provided with back timber (7), the rear end of back timber (7) is connected with the front end of caving shield (14) by the 5th hinge (13), be provided with tail boom (15) and plate (16) in the rear end of caving shield (14), the front end of back timber (7) is connected with cavity front-axle beam (5) by the 6th hinge (8), it is characterized in that, flank side surface at base (17) is fixedly installed the ears chain link card (22) that draws rear slide haulage chain, be provided with a pair of through hole (23) at ears chain link card (22), draw the head of rear slide haulage chain (26) to be provided with key seat (25), be provided with pin at key seat (25) and pass through the hole, the pin of pin (24) activity cross-under on through hole (23) and key seat (25) be by in the hole, is connected with U-shaped clamp (27) at the tail end of pin (24).
2. according to claim 1ly a kind ofly can conveniently adjust the caving roof coal hydraulic support that draws rear slide haulage chain, it is characterized in that, in the cavity of cavity front-axle beam (5), be provided with slide rail, be movably set with slide block at slide rail, be fixedly installed extensible canopy (4) at slide block, front end at extensible canopy (4) is hinged with outrigger (1), bottom surface at cavity front-axle beam (5) is provided with extensible canopy driving cylinder (6), the output shaft of extensible canopy driving cylinder (6) and the front end of extensible canopy (4) are hinged, outrigger (1) is V-arrangement, the front end of the outrigger of V-arrangement (1) afterbody and extensible canopy (4) is hinged, the outrigger of V-arrangement (1) middle part is hinged with an end of quarter butt (2), the other end of quarter butt (2) and stock (3) are hinged, and the front end of the other end of stock (3) and extensible canopy (4) is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220469713.9U CN202866847U (en) | 2012-09-12 | 2012-09-12 | Top coal caving hydraulic support with back pulling sliding drag chain convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220469713.9U CN202866847U (en) | 2012-09-12 | 2012-09-12 | Top coal caving hydraulic support with back pulling sliding drag chain convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202866847U true CN202866847U (en) | 2013-04-10 |
Family
ID=48033572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220469713.9U Expired - Lifetime CN202866847U (en) | 2012-09-12 | 2012-09-12 | Top coal caving hydraulic support with back pulling sliding drag chain convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202866847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726862A (en) * | 2014-01-06 | 2014-04-16 | 三一重型装备有限公司 | Hydraulic support and gangue stop device of backward-sliding pulling lug shaft hole thereof |
-
2012
- 2012-09-12 CN CN201220469713.9U patent/CN202866847U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726862A (en) * | 2014-01-06 | 2014-04-16 | 三一重型装备有限公司 | Hydraulic support and gangue stop device of backward-sliding pulling lug shaft hole thereof |
| CN103726862B (en) * | 2014-01-06 | 2016-05-25 | 三一重型装备有限公司 | A kind of hydraulic support and draw after slip the gear cash device in gudgeon hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
|
| CX01 | Expiry of patent term |