CN213928390U - Extensible hydraulic support forepoling bar - Google Patents
Extensible hydraulic support forepoling bar Download PDFInfo
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- CN213928390U CN213928390U CN202022933053.2U CN202022933053U CN213928390U CN 213928390 U CN213928390 U CN 213928390U CN 202022933053 U CN202022933053 U CN 202022933053U CN 213928390 U CN213928390 U CN 213928390U
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- pneumatic cylinder
- forestope
- hydraulic
- fixed
- support frame
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Abstract
The utility model relates to a hydraulic support forestope technical field more particularly, relates to an extensible hydraulic support forestope. Including base, first pneumatic cylinder and support frame, first pneumatic cylinder bilateral symmetry is equipped with two, the fixed bottom that sets up at first pneumatic cylinder of base, the fixed top that sets up at first pneumatic cylinder of support frame, the inside second pneumatic cylinder that is equipped with in right side of support frame, second pneumatic cylinder right-hand member fixed mounting has the forestope, forestope and support frame sliding connection, the fixed forestope connecting block that is equipped with of right-hand member of forestope, the fixed pulley that is equipped with of right-hand member of support frame, the haulage rope has been tied up to the forestope connecting block, the other end of haulage rope is walked around the fixed pulley and is connected with the rope sheave. The utility model provides a traditional hydraulic support do not set up the forestope, also perhaps the support degree of forestope is not enough to there is the serious potential safety hazard problem. The utility model discloses mainly used coal mining.
Description
Technical Field
The utility model relates to a hydraulic support forestope technical field more particularly, relates to an extensible hydraulic support forestope.
Background
The hydraulic support is necessary equipment for coal mining, plays an important role in safety of constructors, plays an irreplaceable role in safety of the constructors, and has a lot of coal mine accidents caused by the hydraulic support every year in China, so the importance of the hydraulic support is self-evident. The existing hydraulic support is not provided with a front canopy, or the front canopy cannot be stretched, or the support degree of the front canopy is not enough, so that the serious potential safety hazard still exists, and therefore, a telescopic front canopy is needed to be designed, and the front canopy has high stability.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an extensible hydraulic support forestope, the utility model discloses simple structure, it is practical convenient, the utility model discloses a forestope can stretch out and draw back, very big work that has made things convenient for the workman has also improved work efficiency greatly.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides an extensible hydraulic support forepoling bar, includes base, first pneumatic cylinder and support frame, first pneumatic cylinder bilateral symmetry is equipped with two, the fixed bottom that sets up at first pneumatic cylinder of base, the fixed top that sets up at first pneumatic cylinder of support frame, the inside second pneumatic cylinder that is equipped with in right side of support frame, second pneumatic cylinder right-hand member fixed mounting has the forepoling bar, forepoling bar and support frame sliding connection, the fixed forepoling bar connecting block that is equipped with of right-hand member of forepoling bar, the fixed pulley that is equipped with of right-hand member of support frame, the haulage rope that has been tied up of forepoling bar connecting block, the fixed pulley is walked around to the other end of haulage rope and is connected with the rope sheave.
The left side and the right side of the upper surface of the base are fixedly provided with base supporting blocks, the left side and the right side of the first hydraulic cylinder are fixedly provided with hydraulic cylinder supporting blocks, and the base supporting blocks and the hydraulic cylinder supporting blocks are fixedly connected through supporting rods.
The upper end sliding connection of first pneumatic cylinder has first hydraulic telescoping rod, first pneumatic cylinder passes through first hydraulic telescoping rod and support frame fixed connection.
The right-hand member sliding connection of second pneumatic cylinder has the second hydraulic telescoping rod, the second pneumatic cylinder passes through second hydraulic telescoping rod and forestope fixed connection.
The fixed pulley is fixed on the top of the supporting frame through a fixed pulley supporting frame.
Still include the motor, motor fixed mounting is at the top of support frame, the output shaft of motor has first electromagnetism piece through splined connection, the rear end fixed mounting of rope sheave has the second electromagnetism piece.
The first electromagnetic block and the second electromagnetic block can be attached and separated through movement of the spline.
Compared with the prior art, the utility model, the beneficial effect who has is:
1. the utility model discloses be equipped with the telescopic forestope, the flexible of forestope has very strong stability that realizes through the pneumatic cylinder, has reduced the emergence probability of accident, has improved work efficiency greatly to workman's safety has been ensured.
2. The utility model discloses a front canopy's right-hand member passes through the motor and drives the haulage rope and makes the front canopy atress even, ensures front canopy stability and security at the during operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention.
In the figure: the device comprises a base 1, a base 2, a base supporting block 3, a supporting rod 4, a hydraulic cylinder supporting block 5, a first hydraulic cylinder 6, a first hydraulic telescopic rod 7, a supporting frame 8, a second hydraulic cylinder 9, a motor 10, a rope pulley 11, a traction rope 12, a second hydraulic telescopic rod 13, a fixed pulley supporting frame 14, a fixed pulley 15, a front canopy 16, a front canopy connecting block 17, a spline 18, a first electromagnetic block 19 and a second electromagnetic block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, an extensible hydraulic support front cantilever comprises a base 1, two first hydraulic cylinders 5 and a support frame 7, wherein the two first hydraulic cylinders 5 are arranged in bilateral symmetry, the base 1 is fixedly arranged at the bottom of the first hydraulic cylinder 5, the support frame 7 is fixedly arranged at the top of the first hydraulic cylinder 5, a second hydraulic cylinder 8 is arranged inside the right side of the support frame 7, a front cantilever 15 is fixedly arranged at the right end of the second hydraulic cylinder 8, the front cantilever 15 is slidably connected with the support frame 7, a front cantilever connecting block 16 is fixedly arranged at the right end of the front cantilever 15, a fixed pulley 14 is fixedly arranged at the right end of the support frame 7, a traction rope 11 is bound on the front cantilever connecting block 16, the other end of the traction rope 11 bypasses the fixed pulley 14 to be connected with a rope sheave 10, and the traction rope mainly has the function of balancing the stress of the front cantilever through the traction of the traction rope when the front cantilever extends out, the occurrence of accidents is prevented.
Preferably, the left and right sides of the upper surface of the base 1 are fixedly provided with base supporting blocks 2, the left and right sides of the first hydraulic cylinder 5 are fixedly provided with hydraulic cylinder supporting blocks 4, the base supporting blocks 2 and the hydraulic cylinder supporting blocks 4 are fixedly connected through supporting rods 3, and the supporting rods 3 are used for enabling the first hydraulic cylinder 5 to be more stable in the working process.
Preferably, the upper end sliding connection of first pneumatic cylinder 5 has first hydraulic telescoping rod 6, and first pneumatic cylinder 5 is through first hydraulic telescoping rod 6 and support frame 7 fixed connection.
Preferably, the right end of the second hydraulic cylinder 8 is slidably connected with a second hydraulic telescopic rod 12, and the second hydraulic cylinder 8 is fixedly connected with the front cantilever 15 through the second hydraulic telescopic rod 12.
Preferably, the fixed pulley 14 is fixed on the top of the support frame 7 through the fixed pulley support frame 13, and the direction of the traction rope is changed under the action of the fixed pulley 14, so that the stress of traction on the forepoling bar is firmer.
Preferably, the rope sheave further comprises a motor 9, the motor 9 is fixedly mounted at the top of the support frame 7, an output shaft of the motor 9 is connected with a first electromagnetic block 18 through a spline 17, and a second electromagnetic block 19 is fixedly mounted at the rear end of the rope sheave 10.
Preferably, the first electromagnet block 18 and the second electromagnet block 19 can be attached and detached through the movement of the spline 17.
The utility model discloses a work flow does: when needs stretch out forepoling 15, break off first electromagnetism piece 18 and second electromagnetism piece 19, start second pneumatic cylinder 8, second pneumatic cylinder 8 promotes the outside slip of second hydraulic stretching pole 12, thereby stretch out forepoling 15, when stretching out the appointed place, electrify first electromagnetism piece 18 and second electromagnetism piece 19, under the magnetic force effect, because first electromagnetism piece 18 is connected through spline 17 with the motor output shaft, consequently, two electromagnetism pieces are laminated, then starter motor 9, motor 9 drives haulage rope 11 and rotates, thereby make haulage rope 11 play taut effect to forepoling 15, thereby make forepoling 15 more firm, and is stable. The same method may be used to retract the front girder 15.
The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.
Claims (7)
1. An extensible hydraulic support forepoling bar which characterized in that: including base (1), first pneumatic cylinder (5) and support frame (7), first pneumatic cylinder (5) bilateral symmetry is equipped with two, base (1) is fixed to be set up in the bottom of first pneumatic cylinder (5), the fixed top that sets up at first pneumatic cylinder (5) in support frame (7), the inside second pneumatic cylinder (8) that is equipped with in right side of support frame (7), second pneumatic cylinder (8) right-hand member fixed mounting has forestope (15), forestope (15) and support frame (7) sliding connection, the fixed forestope connecting block (16) that is equipped with of right-hand member of forestope (15), the fixed pulley (14) that is equipped with of right-hand member of support frame (7), tie up haulage rope (11) on connecting block (16), the other end of haulage rope (11) is walked around fixed pulley (14) and is connected with rope sheave (10).
2. The extendible hydraulic mount forebeam of claim 1, wherein: the hydraulic cylinder support structure is characterized in that base support blocks (2) are fixedly arranged on the left side and the right side of the upper surface of the base (1), hydraulic cylinder support blocks (4) are fixedly arranged on the left side and the right side of the first hydraulic cylinder (5), and the base support blocks (2) are fixedly connected with the hydraulic cylinder support blocks (4) through support rods (3).
3. The extendible hydraulic mount forebeam of claim 1, wherein: the upper end sliding connection of first pneumatic cylinder (5) has first hydraulic telescoping rod (6), first pneumatic cylinder (5) are through first hydraulic telescoping rod (6) and support frame (7) fixed connection.
4. The extendible hydraulic mount forebeam of claim 1, wherein: the right-hand member sliding connection of second pneumatic cylinder (8) has second hydraulic telescoping rod (12), second pneumatic cylinder (8) are through second hydraulic telescoping rod (12) and forestope (15) fixed connection.
5. The extendible hydraulic mount forebeam of claim 1, wherein: the fixed pulley (14) is fixed on the top of the supporting frame (7) through a fixed pulley supporting frame (13).
6. The extendible hydraulic mount forebeam of claim 1, wherein: still include motor (9), motor (9) fixed mounting is at the top of support frame (7), the output shaft of motor (9) is connected with first electromagnetism piece (18) through spline (17), the rear end fixed mounting of rope sheave (10) has second electromagnetism piece (19).
7. The extendible hydraulic mount forebeam of claim 6, wherein: the first electromagnetic block (18) and the second electromagnetic block (19) can be attached and detached through movement of the spline (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022933053.2U CN213928390U (en) | 2020-12-07 | 2020-12-07 | Extensible hydraulic support forepoling bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022933053.2U CN213928390U (en) | 2020-12-07 | 2020-12-07 | Extensible hydraulic support forepoling bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213928390U true CN213928390U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022933053.2U Active CN213928390U (en) | 2020-12-07 | 2020-12-07 | Extensible hydraulic support forepoling bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213928390U (en) |
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2020
- 2020-12-07 CN CN202022933053.2U patent/CN213928390U/en active Active
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