CN211116071U - End frame with closed rear end - Google Patents
End frame with closed rear end Download PDFInfo
- Publication number
- CN211116071U CN211116071U CN201921757872.7U CN201921757872U CN211116071U CN 211116071 U CN211116071 U CN 211116071U CN 201921757872 U CN201921757872 U CN 201921757872U CN 211116071 U CN211116071 U CN 211116071U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- hinged
- base
- hydraulic jack
- rear end
- 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.)
- Active
Links
Images
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to an end frame with a closed rear end, belonging to the technical field of underground hydraulic support equipment of coal mines; the end frame with the large supporting space and the closed rear end for safe supporting is provided; the hydraulic support comprises a base, a hydraulic upright column arranged on the base, a top beam arranged on the hydraulic upright column, a shield beam, a first hydraulic jack, a front connecting rod, a rear connecting rod and an inclined beam, wherein the lower sides of the front connecting rod and the rear connecting rod are hinged with the base, the upper sides of the front connecting rod and the rear connecting rod are hinged with the lower part of the inclined beam, the upper part of the inclined beam is hinged with the lower part of the top beam, the front end of the shield beam is hinged with the rear side of the top beam, the other end of the first hydraulic jack hinged on the base is hinged with the shield beam, the hydraulic support further comprises a sealing part, the sealing part is hinged with the rear end of the shield beam, the sealing part is erected on the ground, and a supporting space with the.
Description
Technical Field
The utility model relates to a rear end confined end frame belongs to colliery hydraulic support equipment technical field in the pit.
Background
The fully mechanized mining face end hydraulic support is used for supporting two ends of a working face, particularly effectively supporting the scraper conveyor head, compared with the middle part and the row head support, the end support is longer and wide, spans the rotary loader and the scraper conveyor head, provides a safe operation space, and directly influences the productivity and the safety production of the working face due to the selection of the fully mechanized mining face end hydraulic support. At present, the selection of an end bracket type, the structural design and the integral matching tend to be mature, but still have a plurality of problems: compared with other working surfaces, the fully mechanized top coal caving working surface is different in that a scraper conveyor is arranged at the rear end of the fully mechanized top coal caving working surface, a technical problem is that enough and safe supporting space is provided for the fully mechanized top coal caving working surface, and the normal work of machine head equipment is easily interfered by coal leakage at the rear end of the fully mechanized top coal caving working surface, and the equipment is easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a rear end confined end frame has overcome the not enough of prior art existence, provides a back end confined end frame that the supporting space is big, safety support.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a rear end confined end frame, the on-line screen storage device comprises a base, install the hydraulic column on the base, install the back timber on the hydraulic column, cover the roof beam, first hydraulic jack, preceding connecting rod, back connecting rod and sloping, the downside of preceding connecting rod and back connecting rod all articulates with the base, the upside of preceding connecting rod and back connecting rod all articulates with the lower part of sloping, the upper portion of sloping articulates with the lower part of back timber, the front end of covering the roof beam is articulated with the back side of back timber, the other end of the first hydraulic jack who articulates on the base articulates with cover the roof beam and articulate, still include the closure, the closure is articulated with the rear end of covering the roof beam, the closure erects subaerial, it forms rear end confined supporting space together with covering the roof beam.
Preferably, the closing part includes tail boom, second hydraulic jack and picture peg, the tail boom with the rear end of cover beam is articulated, and the second hydraulic jack setting is in the inside of tail boom, and the flexible end at the second hydraulic jack is fixed to the picture peg.
Preferably, the bottom of the insert plate is conical.
Compared with the prior art, the utility model following beneficial effect has.
1. The utility model has the advantages that the whole shield beam is lengthened, the nose at the rear part of the scraper conveyor can be held, and the shield working face of the goaf is isolated;
2. the utility model discloses a tail boom supports ground, and is articulated with extension shield beam, forms the sufficient supporting space in rear, prevents the waste rock that the collecting space area caving simultaneously and scurries into the working face. The grounding of the inserting plate plays an important role in increasing the rear supporting force and maintaining the stability of the lengthened shield beam.
3. The utility model discloses a first hydraulic jack one end is articulated with the base, and the articulated cover beam of the other end provides the holding power, guarantees to strut space intensity, bears the surrounding rock pressure of falling.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the field use of the present invention.
In the figure, 1-top beam, 2-shield beam, 3-closing part, 4-first hydraulic jack, 5-base, 6-hydraulic upright post, 7-front connecting rod, 8-rear connecting rod, 9-oblique beam, 10-scraper, 11-fore-and-aft slide, 31-tail beam, 32-second hydraulic jack, 33-inserting plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to a rear end confined end frame, including base 5, install the hydraulic column 6 on base 5, install back timber 1 on hydraulic column 6, cover roof beam 2, preceding connecting rod 7, back connecting rod 8 and sloping 9, preceding connecting rod 7 all articulates with base 5 with the downside of back connecting rod 8, the upside of preceding connecting rod 7 and back connecting rod 8 all articulates with the lower part of sloping 9, the upper portion of sloping 9 is articulated with the lower part of back timber 1, the front end that covers roof beam 2 articulates with back timber 1 rear side, still include sealing 3 and first hydraulic jack 4, the flexible end of first hydraulic jack 4 who articulates on base 5 articulates with covering roof beam 2, sealing 3 articulates with the rear end that covers roof beam 2, sealing 3 erects subaerial, the confined supporting space of rear end has been formed together with covering roof beam 2.
The closed part 3 comprises a tail beam 31, a second hydraulic jack 32 and an inserting plate 33, wherein the tail beam 31 is hinged with the rear end of the shield beam 2, the second hydraulic jack 32 is arranged in the tail beam 31, and the inserting plate 33 is fixed at the telescopic end of the second hydraulic jack 32. The bottom of the inserting plate 33 is conical, so that the inserting plate can be conveniently inserted into the ground for fixing.
To the working process and principle of the utility model further explain: the utility model discloses extending shield beam 2, first hydraulic jack 4 stretches out, expandes shield beam 2, expandes tail boom 31 again, and second hydraulic jack 32 stretches out, and picture peg 33 inserts ground fixedly. Thus, the guard beam 2 and the tail beam 31 can form a closed supporting space, gangue falling from a goaf is prevented from entering a working face, the guard beam 2 enlarges the supporting space, the phenomenon of extruding the scraper conveyor 10 is avoided, and the supporting safety of the supporting space is ensured.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. The utility model provides a rear end confined end frame, including base (5), install hydraulic column (6) on base (5), install back timber (1) on hydraulic column (6), cover roof beam (2), preceding connecting rod (7), back connecting rod (8) and sloping (9), the downside of preceding connecting rod (7) and back connecting rod (8) all is articulated with base (5), the upside of preceding connecting rod (7) and back connecting rod (8) all is articulated with the lower part of sloping (9), the upper portion of sloping (9) is articulated with the lower part of back timber (1), the front end that covers roof beam (2) is articulated with back timber (1) rear side, its characterized in that: the shield beam shield device is characterized by further comprising a sealing part (3) and a first hydraulic jack (4), wherein the telescopic end of the first hydraulic jack (4) hinged to the base (5) is hinged to the shield beam (2), the sealing part (3) is hinged to the rear end of the shield beam (2), the sealing part (3) is erected on the ground, and a supporting space with the rear end closed is formed together with the shield beam (2).
2. A closed-back end head frame according to claim 1, wherein: the closing part (3) comprises a tail beam (31), a second hydraulic jack (32) and an inserting plate (33), the tail beam (31) is hinged to the rear end of the shield beam (2), the second hydraulic jack (32) is arranged in the tail beam (31), and the inserting plate (33) is fixed at the telescopic end of the second hydraulic jack (32).
3. A closed-back end head frame according to claim 2, wherein: the bottom of the inserting plate (33) is conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921757872.7U CN211116071U (en) | 2019-10-20 | 2019-10-20 | End frame with closed rear end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921757872.7U CN211116071U (en) | 2019-10-20 | 2019-10-20 | End frame with closed rear end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211116071U true CN211116071U (en) | 2020-07-28 |
Family
ID=71692357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921757872.7U Active CN211116071U (en) | 2019-10-20 | 2019-10-20 | End frame with closed rear end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211116071U (en) |
-
2019
- 2019-10-20 CN CN201921757872.7U patent/CN211116071U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101463729A (en) | Hydraulic support for large-mining height caving coal | |
| CN101105135A (en) | Two column protected type hydraulic prop frame for low position blasting down the roof coal | |
| CN101440711A (en) | Large extraction high caving roof coal hydraulic support | |
| CN103643979A (en) | Hydraulic support used for roadway temporary support and erecting and use method of hydraulic support | |
| CN203383842U (en) | Three-column-type paste-filling hydraulic support used for underground thin coal seam | |
| RU121861U1 (en) | TWO-POSITION TWO-POINT HYDRAULIC FASTENERS FOR DESTRUCTION OF A LOW-LOCATED Upper Bundle of a coal seam | |
| CN203362199U (en) | End-head hydraulic support for fully mechanized mining face | |
| CN203412606U (en) | Spider type hydraulic bracket in parallel working of coal mining and filling | |
| CN211116071U (en) | End frame with closed rear end | |
| CN110748364B (en) | Caving coal hydraulic support breaker | |
| CN210068218U (en) | Multipurpose roadway advance support hydraulic support | |
| CN111828073A (en) | Novel roadway support device | |
| CN207420611U (en) | A kind of end hydraulic support of achievable Sub-Level Caving function | |
| CN108374681B (en) | Support matching method capable of realizing end coal caving of top coal caving working face | |
| CN201314238Y (en) | Great mining height hydraulic bracket for top coal caving | |
| CN213116362U (en) | Steep roadside hydraulic support group | |
| CN210599053U (en) | Two-frame one-set middle-placed type caving coal end support | |
| CN215860262U (en) | Single-column light hydraulic support | |
| CN211975008U (en) | Quick isolating device for paste filling hydraulic support | |
| CN113565550A (en) | Gravity center self-balancing special-shaped hydraulic support for pseudo-pitching inclined working face of large-inclination-angle coal seam | |
| CN112096437A (en) | Digging, supporting and anchoring two-body machine | |
| CN2128308Y (en) | Caving or network laying hydraulic chock | |
| CN211500693U (en) | End hydraulic support with fully-covered tail | |
| CN209604057U (en) | Paste filling hydraulic bracket is efficiently isolated in a kind of coal mine | |
| CN215979368U (en) | Top coal recovery mechanism for top coal caving working face |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |