CN112196592A - Can prevent caving coal support of flexible roof beam skew - Google Patents
Can prevent caving coal support of flexible roof beam skew Download PDFInfo
- Publication number
- CN112196592A CN112196592A CN202010911437.6A CN202010911437A CN112196592A CN 112196592 A CN112196592 A CN 112196592A CN 202010911437 A CN202010911437 A CN 202010911437A CN 112196592 A CN112196592 A CN 112196592A
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- China
- Prior art keywords
- base
- support
- plate
- side wall
- caving coal
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/15—Means counteracting entry of dirt; Built-in cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/06—Transport of mined material at or adjacent to the working face
Abstract
The invention discloses a caving coal support capable of preventing a telescopic beam from deviating, which belongs to the field of coal mine collection and comprises a base, wherein the top surface of the base is fixedly connected with an installation table, and a cleaning mechanism is arranged inside the base; the top surface of the mounting seat platform is fixedly connected with a fixed seat, the fixed seat is respectively mounted with one end of a first beam arm and one end of a second beam arm through a pin shaft, the other ends of the first beam arm and the second beam arm are mounted with the inside of a shield beam through a pin shaft, one side of the shield beam is rotatably connected with one end of a tail beam through a pin shaft.
Description
Technical Field
The invention belongs to the technical field of coal mine collection, and particularly relates to a top coal caving support capable of preventing a telescopic beam from deviating.
Background
When people mine coal, the people generally support the coal through wood boards and the like in a mine, collapse accidents are easy to happen due to the fact that the strength of the wood boards and the like is low, coal mining personnel in the mine are hidden in safety hazards, a top coal caving support is main equipment for underground operation, and a telescopic beam on the top coal caving support is required to be repeatedly stretched and retracted during operation. The telescopic beam of the existing caving coal support is generally telescopic.
In operating condition, because the working face slope, the skew of flexible roof beam and the dead condition of card in the front beam body can take place often, lead to the support can't realize in time strutting of working face, thereby influence safety operation in the pit, and because the influence that receives the operation environment, and the support base that leads to the caving coal support can accumulate and collect up coal ash, need personnel to regularly clear up, trouble very, and the caving coal support is often safe inadequately at the in-process of work, lack protector, personnel's life safety can threaten, receive the restriction of coal discharge opening size, it can't put down to have the triangle coal between frame and the frame, the coal discharge opening of tail boom easily takes place the big coal blocking phenomenon simultaneously.
Disclosure of Invention
The invention aims to provide a caving coal support capable of preventing a telescopic beam from deviating, a cleaning mechanism is arranged on a base of the caving coal support, a telescopic mechanism is additionally arranged on a tail beam of the caving coal support so as to facilitate the transportation of coal blocks, and a protection mechanism is additionally arranged on the top surface of the base so as to facilitate the protection treatment of a human body, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a caving coal support capable of preventing a telescopic beam from deviating comprises a base, wherein the top surface of the base is fixedly connected with an installation table, and a cleaning mechanism is arranged inside the base;
the cleaning mechanism comprises a motor, a threaded rod, a sleeve, a sliding plate, a conveying plate and a fixed shaft seat, the motor is mounted on the side wall of one side of the base, an output shaft of the motor penetrates through the inside of the base, the output shaft of the motor is fixedly mounted with the screw rod, the side wall of the screw rod is in threaded connection with the sleeve, the side wall of the sleeve is fixedly connected with the sliding plate, the top end of the sliding plate is fixedly connected with the conveying plate, and the sliding plate is in sliding connection with the inner side of the base;
the top surface of the mounting base platform is fixedly connected with a fixed base, the fixed base is respectively mounted with one end of a first beam arm and one end of a second beam arm through a pin shaft, the other ends of the first beam arm and the second beam arm are mounted with the interior of a shield beam through a pin shaft, one side of the shield beam is rotatably connected with one end of a tail beam through a pin shaft, the bottom surface of the tail beam is fixedly connected with a third support, the third support is mounted with an output shaft of a first hydraulic cylinder, the bottom end of the first hydraulic cylinder is mounted on the fixed base, and the side wall of the tail beam is provided with a telescopic mechanism;
the telescopic mechanism comprises a first support, an electric cylinder, a second support and an extension plate, wherein the side walls of the two sides of the tail beam are fixedly connected with the first support, the inside of the first support is installed with the electric cylinder through a pin shaft, the output shaft of the electric cylinder is fixedly installed with the inside of the second support through a pin shaft, the second support is welded on the extension plate, and one side of the extension plate is in sliding connection with the inside of the tail beam;
the protective mechanisms are arranged on the side walls of the two sides of the mounting table and comprise protective frames and protective steel wire meshes, the protective frames are fixedly mounted with the base through screws, and the protective steel wire meshes are arranged on the side walls of the protective frames;
the other side of shield roof beam is connected through the inside looks rotation of round pin axle with the one end of back timber, the other end of back timber has the front-axle beam through screw fixed mounting, the top of front-axle beam is provided with supports the roof beam, the bottom of back timber is connected with second pneumatic cylinder and third pneumatic cylinder looks rotation respectively through the round pin axle, and second pneumatic cylinder and third pneumatic cylinder.
Preferably, the side wall of the front beam is welded with a first reinforcing plate, the side wall of the first reinforcing plate is welded with a second reinforcing plate, and the side wall of the second reinforcing plate is welded with the side wall of the front beam.
Preferably, the side wall of the motor is fixedly mounted with one end of the fixing plate through a screw, and the other end of the fixing plate is fixedly mounted with the side wall of the base through a screw.
Preferably, the conveying plate is L-shaped, and one end of the conveying plate is arc-shaped.
Preferably, the corners of the bottom surface of the base are respectively bonded with anti-slip pads, and the bottom surfaces of the anti-slip pads are provided with anti-slip textures.
Preferably, the side wall of the top beam is provided with a guide plate, and the bottom end of the guide plate is abutted to the tail beam.
Preferably, the base is internally provided with a fixed shaft seat, and the fixed shaft seat is rotatably connected with a screw rod.
Preferably, the second hydraulic cylinder and the third hydraulic cylinder are arranged on the mounting table in parallel.
The invention has the technical effects and advantages that: compared with the prior art, the invention provides a caving coal support capable of preventing a telescopic beam from deviating, which has the beneficial effects that:
1. the invention provides a caving coal support capable of preventing a telescopic beam from deviating, wherein an electric cylinder on the side wall of a tail beam pushes an extension plate on a second support to move, the extension plate is drawn out from the interior of the tail beam to increase the length of the tail beam, so that large triangle coal can move from the tail beam, and a first hydraulic cylinder on the bottom surface of the tail beam extends or shortens to enable the tail beam to rotate on a shield beam, so that the transportation angle of the tail beam is changed, and better transportation is facilitated.
2. The invention provides a caving coal support capable of preventing a telescopic beam from deviating.A sliding prevention frame is arranged on the top surface of a base, and a protective steel wire mesh is arranged on the side wall of a protective frame, so that passing personnel can be protected by the protective frame in the working process of the caving coal support, and the harm to a human body is reduced; the threaded rod is arranged in the base and is driven to rotate by the motor on the side wall of the base, so that the sleeve on the side wall of the threaded rod can move in the rotating process of the threaded rod, and the sliding plate can limit the sleeve and cannot rotate in the rotating process of the threaded rod, so that the conveying plate on the sliding plate can move on the top surface of the base to convey and process the dropped coal cinder.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the guard mechanism of the present invention;
FIG. 3 is a schematic structural view of a front beam of the present invention;
FIG. 4 is a schematic structural view of the telescoping mechanism of the present invention;
fig. 5 is a schematic structural diagram of the cleaning mechanism of the present invention.
Reference numbers in the figures: 1. a base; 2. a non-slip mat; 3. a cleaning mechanism; 301. a motor; 302. a threaded rod; 303. a sleeve; 304. a slide plate; 305. a transport plate; 306. fixing the shaft seat; 4. an installation table; 5. a protection mechanism; 501. a protective frame; 502. protecting a steel wire mesh; 6. a telescoping mechanism; 601. a first support; 602. an electric cylinder; 603. a second support; 604. an extension plate; 7. a fixed seat; 8. a first hydraulic cylinder; 9. a third support; 10. a tail boom; 11. a first beam arm; 12. a fixing plate; 13. a second beam arm; 14. covering the beam; 15. a baffle; 16. a second hydraulic cylinder; 17. a top beam; 18. a third hydraulic cylinder; 19. a front beam; 20. supporting the beam; 21. a first reinforcing plate; 22. a second reinforcing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a caving coal support capable of preventing a telescopic beam from deviating, which is shown in figures 1-5 and comprises a base 1, wherein anti-slip pads 2 are respectively bonded at corners of the bottom surface of the base 1, anti-slip textures are arranged on the bottom surfaces of the anti-slip pads 2, in order to play a role of buffering and preventing the coal support from slipping when the coal support works, an installation table 4 is fixedly connected to the top surface of the base 1, and a cleaning mechanism 3 is arranged inside the base 1;
the cleaning mechanism 3 comprises a motor 301, a threaded rod 302, a sleeve 303, a sliding plate 304, a conveying plate 305 and a fixed shaft seat 306, the motor 301 is installed on one side wall of the base 1, an output shaft of the motor 301 penetrates through the inside of the base 1, the output shaft of the motor 301 is fixedly installed with a screw rod, the side wall of the screw rod is in threaded connection with the sleeve 303, the side wall of the sleeve 303 is fixedly connected with the sliding plate 304, the top end of the sliding plate 304 is fixedly connected with the conveying plate 305, the sliding plate 304 is in sliding connection with the inner side of the base 1, the side wall of the motor 301 is fixedly installed with one end of the fixed plate 12 through a screw, the other end of the fixed plate 12 is fixedly installed with the side wall of the base 1 through a screw, in order to fix the motor 301, so that the motor 301 can be kept stable when working, the fixed shaft seat 306 is, in order to enable the threaded rod 302 to keep horizontal rotation in the rotation process, the conveying plate 305 is in an "L" shape, and one end of the conveying plate 305 is in an arc shape, so that the fallen coal cinder can be conveniently conveyed;
the top surface of the mounting base platform is fixedly connected with a fixed base 7, the fixed base 7 is respectively mounted with one end of a first beam arm 11 and one end of a second beam arm 13 through a pin shaft, the other ends of the first beam arm 11 and the second beam arm 13 are mounted with the inside of a shield beam 14 through a pin shaft, one side of the shield beam 14 is rotatably connected with one end of a tail beam 10 through a pin shaft, the bottom surface of the tail beam 10 is fixedly connected with a third support 9, the third support 9 is mounted with an output shaft of a first hydraulic cylinder 8, the bottom end of the first hydraulic cylinder 8 is mounted on the fixed base 7, and the side wall of the tail beam 10 is provided with a telescopic mechanism 6;
the telescopic mechanism 6 comprises a first support 601, an electric cylinder 602, a second support 603 and an extension plate 604, wherein the side walls of the two sides of the tail beam 10 are fixedly connected with the first support 601, the inside of the first support 601 is installed with the electric cylinder 602 through a pin shaft, the output shaft of the electric cylinder 602 is fixedly installed with the inside of the second support 603 through a pin shaft, the second support 603 is welded on the extension plate 604, and one side of the extension plate 604 is slidably connected with the inside of the tail beam 10;
the protection mechanisms 5 are mounted on the side walls of the two sides of the mounting table 4, each protection mechanism 5 comprises a protection frame 501 and a protection steel wire mesh 502, the protection frames 501 are fixedly mounted with the base 1 through screws, and the protection steel wire meshes 502 are mounted on the side walls of the protection frames 501;
the other side of the shield beam 14 is rotatably connected with the inside of one end of a top beam 17 through a pin shaft, the other end of the top beam 17 is fixedly provided with a front beam 19 through a screw, the side wall of the front beam 19 is welded with a first reinforcing plate 21, the side wall of the first reinforcing plate 21 is welded with a second reinforcing plate 22, the side wall of the second reinforcing plate 22 is welded with the side wall of the front beam 19, in order to reinforce the front beam 19 and increase the durability, the top end of the front beam 19 is provided with a support beam 20, the bottom end of the top beam 17 is rotatably connected with a second hydraulic cylinder 16 and a third hydraulic cylinder 18 through pin shafts respectively, the second hydraulic cylinder 16 and the third hydraulic cylinder 18 are provided with guide plates 15, the bottom ends of the guide plates 15 are abutted against the tail beam 10, in order to make coal blocks difficult to enter a gap between the shield beam 14 and the tail beam 10 through the guide plates 15 when the coal blocks are transported, the second hydraulic cylinder 16 and the third hydraulic cylinder 18 are arranged on the mounting table 4 in parallel, and the second hydraulic cylinder 16 and the third hydraulic cylinder 18 are respectively provided with two sets, in order to push the top beam 17 alternatively, the load to the second hydraulic cylinder 16 and the third hydraulic cylinder 18 is reduced.
The structure principle is as follows: when the caving top coal support works, when large triangle coal cannot be placed, the electric cylinder 602 on the side wall of the tail beam 10 pushes the extension plate 604 on the second support 603 to move, the extension plate 604 is drawn out from the inside of the tail beam 10, and the length of the tail beam 10 is increased, so that the large triangle coal can move from the tail beam 10, and the first hydraulic cylinder 8 on the bottom surface of the tail beam 10 extends or shortens, so that the tail beam 10 rotates on the shield beam 14, and the transportation angle of the tail beam 10 is changed, and better transportation is facilitated.
The top surface of the base 1 is provided with the anti-sliding frame, and the side wall of the protection frame 501 is provided with the protection steel wire mesh 502, so that the coal-jacking frame can protect passing personnel by the protection frame 501 in the working process, and the harm to the human body is reduced;
the threaded rod 302 is arranged in the base 1, the threaded rod 302 is driven to rotate by the motor 301 on the side wall of the base 1, so that the sleeve 303 on the side wall of the threaded rod 302 can move in the rotating process of the threaded rod 302, and the sliding plate 304 can limit the sleeve 303, so that the sleeve 303 cannot rotate in the rotating process of the threaded rod 302, and the conveying plate 305 on the sliding plate 304 can move on the top surface of the base 1 to convey and process the dropped coal slag.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a can prevent caving coal support of telescopic girder skew, includes base (1), its characterized in that: the top surface of the base (1) is fixedly connected with an installation table (4), and a cleaning mechanism (3) is arranged in the base (1); the cleaning mechanism (3) comprises a motor (301), a threaded rod (302), a sleeve (303), a sliding plate (304), a conveying plate (305) and a fixed shaft seat (306), the motor (301) is installed on one side wall of the base (1), an output shaft of the motor (301) penetrates through the base (1), the output shaft of the motor (301) is fixedly installed with a screw rod, the sleeve (303) is connected to the side wall of the screw rod in a threaded manner, the sliding plate (304) is fixedly connected to the side wall of the sleeve (303), the conveying plate (305) is fixedly connected to the top end of the sliding plate (304), and the sliding plate (304) is slidably connected with the inner side of the base (1);
the top surface of the mounting base platform is fixedly connected with a fixing base (7), the fixing base (7) is respectively mounted with one end of a first beam arm (11) and one end of a second beam arm (13) through a pin shaft, the other ends of the first beam arm (11) and the second beam arm (13) are mounted with the inner part of a shield beam (14) through a pin shaft, one side of the shield beam (14) is rotatably connected with one end of a tail beam (10) through a pin shaft, the bottom surface of the tail beam (10) is fixedly connected with a third support (9), the third support (9) is mounted with an output shaft of a first hydraulic cylinder (8), the bottom end of the first hydraulic cylinder (8) is mounted on the fixing base (7), and the side wall of the tail beam (10) is provided with a telescopic mechanism (6);
the telescopic mechanism (6) comprises a first support (601), an electric cylinder (602), a second support (603) and an extension plate (604), wherein the side walls of two sides of the tail beam (10) are fixedly connected with the first support (601), the inside of the first support (601) is installed with the electric cylinder (602) through a pin shaft, the output shaft of the electric cylinder (602) is fixedly installed with the inside of the second support (603) through a pin shaft, the second support (603) is welded on the extension plate (604), and one side of the extension plate (604) is in sliding connection with the inside of the tail beam (10);
the protective mechanisms (5) are mounted on the side walls of the two sides of the mounting table (4), each protective mechanism (5) comprises a protective frame (501) and a protective steel wire mesh (502), the protective frames (501) are fixedly mounted with the base (1) through screws, and the protective steel wire meshes (502) are mounted on the side walls of the protective frames (501);
the inside of the opposite side of shield roof beam (14) through round pin axle and the one end of back timber (17) rotates mutually to be connected, the other end of back timber (17) has front beam (19) through screw fixed mounting, the top of front beam (19) is provided with supports roof beam (20), the bottom of back timber (17) is rotated mutually with second pneumatic cylinder (16) and third pneumatic cylinder (18) respectively through the round pin axle and is connected, and second pneumatic cylinder (16) and third pneumatic cylinder (18).
2. The caving coal support capable of preventing the deflection of the telescopic girder according to claim 1, wherein: the side wall welding of front beam (19) has first gusset plate (21), the side wall welding of first gusset plate (21) has second gusset plate (22), and the side wall of second gusset plate (22) welds mutually with the side wall of front beam (19).
3. The caving coal support capable of preventing the deflection of the telescopic girder according to claim 1, wherein: the lateral wall of motor (301) passes through the screw and is fixed mounting mutually with the one end of fixed plate (12), the other end of fixed plate (12) passes through the screw and the lateral wall looks fixed mounting of base (1).
4. The caving coal support capable of preventing the deflection of the telescopic girder according to claim 1, wherein: the conveying plate (305) is L-shaped, and one end of the conveying plate (305) is arc-shaped.
5. The caving coal support capable of preventing the deflection of the telescopic girder according to claim 1, wherein: the anti-skid device is characterized in that anti-skid pads (2) are respectively bonded at corners of the bottom surface of the base (1), and anti-skid textures are arranged on the bottom surfaces of the anti-skid pads (2).
6. The caving coal support capable of preventing the deflection of the telescopic girder according to claim 1, wherein: the side wall of the top beam (17) is provided with a guide plate (15), and the bottom end of the guide plate (15) is abutted to the tail beam (10).
7. The caving coal support capable of preventing the deflection of the telescopic girder according to claim 1, wherein: the base is characterized in that a fixed shaft seat (306) is arranged inside the base (1), and a screw rod is rotatably connected inside the fixed shaft seat (306).
8. The caving coal support capable of preventing the deflection of the telescopic girder according to claim 1, wherein: the second hydraulic cylinder (16) and the third hydraulic cylinder (18) are arranged on the mounting table (4) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010911437.6A CN112196592B (en) | 2020-09-02 | 2020-09-02 | Can prevent caving coal support of flexible roof beam skew |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010911437.6A CN112196592B (en) | 2020-09-02 | 2020-09-02 | Can prevent caving coal support of flexible roof beam skew |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112196592A true CN112196592A (en) | 2021-01-08 |
| CN112196592B CN112196592B (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010911437.6A Active CN112196592B (en) | 2020-09-02 | 2020-09-02 | Can prevent caving coal support of flexible roof beam skew |
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| Country | Link |
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| CN (1) | CN112196592B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687340Y (en) * | 2004-03-03 | 2005-03-23 | 开滦(集团)有限责任公司机电总厂 | Big-incidence low-position coal-caving hydraulic prop |
| CN101440711A (en) * | 2008-11-26 | 2009-05-27 | 枣庄矿业（集团）有限责任公司第二机械厂 | Large extraction high caving roof coal hydraulic support |
| CN202866848U (en) * | 2012-09-12 | 2013-04-10 | 山西潞安机械有限责任公司 | Top coal caving support capable of preventing extensible beam from offsetting |
| CN205422784U (en) * | 2016-03-16 | 2016-08-03 | 河南工程学院 | Novel low level caving coal hydraulic support |
| CN210858771U (en) * | 2019-09-18 | 2020-06-26 | 恒岳重工有限责任公司 | Multi-model positive four-bar hydraulic support with telescopic function |
-
2020
- 2020-09-02 CN CN202010911437.6A patent/CN112196592B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687340Y (en) * | 2004-03-03 | 2005-03-23 | 开滦(集团)有限责任公司机电总厂 | Big-incidence low-position coal-caving hydraulic prop |
| CN101440711A (en) * | 2008-11-26 | 2009-05-27 | 枣庄矿业（集团）有限责任公司第二机械厂 | Large extraction high caving roof coal hydraulic support |
| CN202866848U (en) * | 2012-09-12 | 2013-04-10 | 山西潞安机械有限责任公司 | Top coal caving support capable of preventing extensible beam from offsetting |
| CN205422784U (en) * | 2016-03-16 | 2016-08-03 | 河南工程学院 | Novel low level caving coal hydraulic support |
| CN210858771U (en) * | 2019-09-18 | 2020-06-26 | 恒岳重工有限责任公司 | Multi-model positive four-bar hydraulic support with telescopic function |
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| Publication number | Publication date |
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| CN112196592B (en) | 2022-06-10 |
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