CN216767441U - Movable continuous supporting bracket for coal face - Google Patents
Movable continuous supporting bracket for coal face Download PDFInfo
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- CN216767441U CN216767441U CN202220552833.9U CN202220552833U CN216767441U CN 216767441 U CN216767441 U CN 216767441U CN 202220552833 U CN202220552833 U CN 202220552833U CN 216767441 U CN216767441 U CN 216767441U
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- supporting
- coal face
- hydraulic telescopic
- fixedly connected
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 118
- 239000003245 coal Substances 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Abstract
The utility model discloses a movable continuous supporting bracket for a coal face, which comprises a supporting cross beam, wherein the inner side end of the supporting cross beam is connected with a supporting surface in a sliding manner, the bottom end of the supporting surface is provided with a moving mechanism, two ends of the supporting cross beam are fixedly connected with symmetrical fixed seats, the inner side ends of the symmetrical fixed seats are provided with supporting mechanisms, and the upper ends of the supporting mechanisms are provided with top beams; the utility model relates to the technical field of support brackets. The movable continuous supporting bracket for the coal face can complete the movement of the whole device through the arranged moving mechanism and the supporting mechanism, thereby realizing the continuous supporting of a top plate of the coal face, effectively preventing roof collapse accidents when the bracket is moved forwards, improving the stability of the integral continuous movement of the supporting bracket, preventing the supporting bracket from shifting and inclining in the moving process, enhancing the adaptability of the supporting bracket, and avoiding repeated disassembly and transportation of the device and the labor intensity of personnel.
Description
Technical Field
The utility model relates to the technical field of support brackets, in particular to a movable continuous support bracket for a coal face.
Background
The existing advance support of the coal face generally adopts a split advance support or a single prop for supporting.
When split type forepoling is strutted, not only have a lot of to the roof and scratch the destruction, cause the roof absciss layer, moreover with the end extrusion deformation of roof stock and anchor rope, have certain destructive action to the original support of roof, when the support moves forward, must reduce the height, lose the supporting effect to the roof, the support does not have the supporting role to the roof during this period, the top accident takes place most easily.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a movable continuous supporting bracket for a coal face, which solves the problems that the height of the conventional supporting bracket must be reduced when the bracket moves forwards, the supporting effect on a top plate is lost, and the bracket has no supporting effect on the top plate in the period, so that roof fall accidents are most easily caused.
In order to realize the purpose, the utility model is realized by the following technical scheme: a movable continuous supporting bracket for a coal face comprises a supporting cross beam, wherein the inner side end of the supporting cross beam is connected with a supporting surface in a sliding mode, the bottom end of the supporting surface is provided with a moving mechanism, two ends of the supporting cross beam are fixedly connected with symmetrical fixing seats, the inner side ends of the symmetrical fixing seats are provided with supporting mechanisms, and the upper ends of the supporting mechanisms are provided with top beams; the moving mechanism comprises a first hinged seat fixedly mounted at the top of the supporting beam, the top of the first hinged seat is hinged with a first hydraulic telescopic cylinder, the other end of the first hydraulic telescopic cylinder is hinged with a second hinged seat, the top of the second hinged seat is fixedly connected with the bottom of the supporting surface, symmetrical sliding grooves are formed in the two ends of the supporting beam, a supporting column is connected in the sliding grooves in a sliding mode, one end of the supporting column is fixedly connected with one end of the supporting surface, and the top of the supporting column is fixedly connected with a second hydraulic telescopic cylinder.
Preferably, the supporting mechanism comprises a base fixedly installed at the bottom end of the fixing seat, a left groove and a right groove are formed in the top of the base, and the connecting seat is fixedly connected in the grooves.
Preferably, one end of the top of the connecting seat is rotatably connected with a front connecting rod, and the other end of the top of the connecting seat is rotatably connected with a rear connecting rod.
Preferably, the other ends of the front connecting rod and the rear connecting rod are rotatably connected with a shield beam, and the other end of the shield beam is rotatably connected with the bottom of the top beam.
Preferably, the top of the base is fixedly connected with third hydraulic telescopic cylinders which are symmetrical, and the output ends of the third hydraulic telescopic cylinders are fixedly connected with the bottom of the top beam.
Preferably, the four groups of supporting columns are respectively and fixedly connected with four corners of the supporting surface, and the top beam is positioned between the symmetrical fixed seats.
Advantageous effects
The utility model provides a movable continuous supporting bracket for a coal face. Compared with the prior art, the method has the following beneficial effects:
the movable continuous supporting bracket for the coal face is characterized in that top beams at two ends of a supporting cross beam are all supported on a top plate of the coal face, when the supporting position of the movable continuous supporting bracket for the coal face is required to be adjusted, second hydraulic telescopic cylinders at the top end and the bottom end of a supporting column can be completely retracted, supporting plates at the output ends of all the second hydraulic telescopic cylinders are all away from the ground, and a base and the top beams are supported under the action of the second hydraulic telescopic cylinders, so that the continuous supporting of the top plate of the coal face is realized, and roof caving accidents can be effectively prevented from occurring when a device is moved forwards; then, a first hydraulic telescopic cylinder is started, a piston rod of the first hydraulic telescopic cylinder extends out to enable the piston rod to push a supporting surface to slide towards one side of a supporting beam, when the supporting surface moves to a proper position, a second hydraulic telescopic cylinder at the top end and the bottom end of a supporting column is completely lengthened, a supporting plate at the output end of the second hydraulic telescopic cylinder supports the top and the bottom of a coal mining working surface, the supporting plate at the output end of the second hydraulic telescopic cylinder at the bottom end of the supporting column supports the bottom end of the supporting column, so that the bottom of a base is not in contact with the ground, a third hydraulic telescopic cylinder is started to contract to drive a top beam to move downwards, the top beam is not in supporting action, the first hydraulic telescopic cylinder is started again to enable the first hydraulic telescopic cylinder to retract, and meanwhile, as the supporting surface is fixed, the first hydraulic telescopic cylinder retracts towards one end of the output end, the device has the advantages that the supporting cross beam is driven to move towards one end of the supporting surface, so that the movement of the whole device is completed, the continuous supporting of the top plate of the coal face is realized, roof-fall accidents caused by forward movement of the support can be effectively prevented, the stability of the whole continuous movement of the supporting support is improved, the support is prevented from deviating and inclining in the moving process, the adaptability of the supporting support is enhanced, the device does not need to be repeatedly disassembled and carried, and the labor intensity of personnel is low.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic structural diagram of a moving mechanism according to the present invention;
fig. 3 is a schematic structural view of the support mechanism of the present invention.
In the figure: 1. supporting a cross beam; 2. a support surface; 3. a moving mechanism; 4. a fixed seat; 5. a support mechanism; 6. a top beam; 301. a first hinge mount; 302. a first hydraulic telescopic cylinder; 303. a second hinge mount; 304. a chute; 305. supporting a pillar; 306. a second hydraulic telescopic cylinder; 501. a base; 502. a connecting seat; 503. a front link; 504. a rear connecting rod; 505. covering the beam; 506. and a third hydraulic telescopic cylinder.
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. 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.
Referring to fig. 1-3, the present invention provides a technical solution: a movable continuous supporting bracket for a coal face comprises a supporting cross beam 1, wherein the inner side end of the supporting cross beam 1 is connected with a supporting surface 2 in a sliding mode, a moving mechanism 3 is arranged at the bottom end of the supporting surface 2, two symmetrical fixing seats 4 are fixedly connected to two ends of the supporting cross beam 1, supporting mechanisms 5 are arranged at the inner side ends of the symmetrical fixing seats 4, and top beams 6 are arranged at the upper ends of the supporting mechanisms 5; the moving mechanism 3 comprises a first hinge seat 301 fixedly mounted on the top of the supporting beam 1, a first hydraulic telescopic cylinder 302 is hinged to the top of the first hinge seat 301, a second hinge seat 303 is hinged to the other end of the first hydraulic telescopic cylinder 302, the top of the second hinge seat 303 is fixedly connected with the bottom of the supporting surface 2, symmetrical sliding grooves 304 are formed in two ends of the supporting beam 1, supporting columns 305 are connected in the sliding grooves 304 in a sliding mode, one end of each supporting column 305 is fixedly connected with one end of the supporting surface 2, a second hydraulic telescopic cylinder 306 is fixedly connected to the top and the bottom of each supporting column 305, and supporting plates are fixedly connected to output ends of the second hydraulic telescopic cylinders 306; the supporting mechanism 5 comprises a base 501 fixedly arranged at the bottom end of the fixed seat 4, a left groove and a right groove are formed in the top of the base 501, and a connecting seat 502 is fixedly connected in the grooves; one end of the top of the connecting seat 502 is rotatably connected with a front connecting rod 503, and the other end of the top of the connecting seat 502 is rotatably connected with a rear connecting rod 504; the other ends of the front connecting rod 503 and the rear connecting rod 504 are both rotatably connected with a shield beam 505, and the other end of the shield beam 505 is rotatably connected with the bottom of the top beam 6; the top of the base 501 is fixedly connected with symmetrical third hydraulic telescopic cylinders 506, and the output ends of the third hydraulic telescopic cylinders 506 are fixedly connected with the bottom of the top beam 6; four groups of the supporting columns 305 are respectively and fixedly connected with four corners of the supporting surface 2, and the top beam 6 is positioned between the symmetrical fixed seats 4.
And those not described in detail in this specification are well within the skill of those in the art.
Under normal conditions, the top beams 6 at two ends of the supporting beam 1 are all propped against the top plate of the coal face, when the supporting position of the movable continuous supporting bracket for the coal face is required to be adjusted, the second hydraulic telescopic cylinders 306 at the top end and the bottom end of the supporting column 305 can be completely retracted, all supporting plates at the output ends of all the second hydraulic telescopic cylinders 306 are away from the ground, and the base 501 and the top beams 6 are supported under the action of the second hydraulic telescopic cylinders 306, so that the continuous supporting of the top plate of the coal face is realized, and roof caving accidents can be effectively prevented from occurring when the device is moved forwards; then, the first hydraulic telescopic cylinder 302 is started, so that a piston rod of the first hydraulic telescopic cylinder 302 extends out to enable the piston rod to push the supporting surface 2 to slide towards one side of the supporting beam 1, when the supporting surface 2 moves to a proper position, the second hydraulic telescopic cylinders 306 at the top end and the bottom end of the supporting column 305 are all lengthened, so that the supporting plate at the output end of the second hydraulic telescopic cylinder 306 supports the top and the bottom of the coal face, at the moment, the supporting plate at the output end of the second hydraulic telescopic cylinder 306 at the bottom end of the supporting column 305 supports, so that the bottom of the base 501 is not in contact with the ground, the third hydraulic telescopic cylinder 506 is started to contract to drive the top beam 6 to move downwards, so that the top beam 6 is not in supporting action, the first hydraulic telescopic cylinder 302 is started again to perform retraction treatment, and meanwhile, because the supporting surface 2 is already fixed, the first hydraulic telescopic cylinder 302 retracts towards one end of the output end, so that the supporting beam 1 is driven to move towards one end of the supporting surface 2, and the movement of the whole device is completed, the continuous supporting of the top plate of the coal face is realized, roof-fall accidents can be effectively prevented when the support is moved forwards, the stability of the whole continuous movement of the supporting support is improved, the support is prevented from deviating and inclining in the moving process, the adaptability of the supporting support is enhanced, the device does not need to be repeatedly disassembled and carried, the labor intensity of personnel is low, and the movable continuous supporting support for the coal face is the working principle of the movable continuous supporting support for the coal face.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a coal face is with portable support in succession, includes and struts crossbeam (1), its characterized in that: the inner side end of the supporting cross beam (1) is connected with a supporting surface (2) in a sliding mode, the bottom end of the supporting surface (2) is provided with a moving mechanism (3), two ends of the supporting cross beam (1) are fixedly connected with symmetrical fixing seats (4), the inner side end of the symmetrical fixing seats (4) is provided with a supporting mechanism (5), and the upper end of the supporting mechanism (5) is provided with a top beam (6);
moving mechanism (3) include fixed mounting at the first articulated seat (301) in supporting crossbeam (1) top, the top of first articulated seat (301) articulates there is first hydraulic telescopic cylinder (302), the other end of first hydraulic telescopic cylinder (302) articulates there is articulated seat (303) of second, the top and the holding surface (2) bottom fixed connection of the articulated seat of second (303), symmetrical spout (304) have been seted up at the both ends of supporting crossbeam (1), sliding connection has a pillar (305) in spout (304), the one end of pillar (305) and the one end fixed connection of holding surface (2), the top and the bottom fixed connection of pillar (305) have second hydraulic telescopic cylinder (306).
2. A movable continuous support bracket for a coal face according to claim 1, characterized in that: the supporting mechanism (5) comprises a base (501) fixedly installed at the bottom end of the fixing seat (4), a left groove and a right groove are formed in the top of the base (501), and a connecting seat (502) is fixedly connected in each groove.
3. A movable continuous support bracket for a coal face according to claim 2, characterized in that: one end of the top of the connecting seat (502) is rotatably connected with a front connecting rod (503), and the other end of the top of the connecting seat (502) is rotatably connected with a rear connecting rod (504).
4. A movable continuous support bracket for a coal face according to claim 3, characterized in that: the other ends of the front connecting rod (503) and the rear connecting rod (504) are rotatably connected with a shield beam (505), and the other end of the shield beam (505) is rotatably connected with the bottom of the top beam (6).
5. A movable continuous support bracket for a coal face according to claim 2, characterized in that: the top of the base (501) is fixedly connected with third hydraulic telescopic cylinders (506) which are symmetrical, and the output ends of the third hydraulic telescopic cylinders (506) are fixedly connected with the bottom of the top beam (6).
6. A movable continuous support bracket for a coal face according to claim 1, characterized in that: the four groups of supporting columns (305) are respectively and fixedly connected with four corners of the supporting surface (2), and the top beam (6) is positioned between the symmetrical fixed seats (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220552833.9U CN216767441U (en) | 2022-03-14 | 2022-03-14 | Movable continuous supporting bracket for coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220552833.9U CN216767441U (en) | 2022-03-14 | 2022-03-14 | Movable continuous supporting bracket for coal face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767441U true CN216767441U (en) | 2022-06-17 |
Family
ID=81959537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220552833.9U Expired - Fee Related CN216767441U (en) | 2022-03-14 | 2022-03-14 | Movable continuous supporting bracket for coal face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767441U (en) |
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2022
- 2022-03-14 CN CN202220552833.9U patent/CN216767441U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220617 |
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| CF01 | Termination of patent right due to non-payment of annual fee |