CN214887156U - Hydraulic support with multifunctional protective net - Google Patents
Hydraulic support with multifunctional protective net Download PDFInfo
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- CN214887156U CN214887156U CN202120854242.2U CN202120854242U CN214887156U CN 214887156 U CN214887156 U CN 214887156U CN 202120854242 U CN202120854242 U CN 202120854242U CN 214887156 U CN214887156 U CN 214887156U
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- rotating shaft
- blocking plate
- waste rock
- top beam
- rock blocking
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Abstract
The utility model discloses a hydraulic support with a multifunctional protective net, which comprises a top beam and a multifunctional protective net, wherein the multifunctional protective net comprises a first rotating shaft, a second rotating shaft, a waste rock blocking plate and a jack for acting the rotation of the waste rock blocking plate; the first rotating shaft is suspended below the top beam, and the top end of the first rotating shaft is arranged on the top beam; the second rotating shaft is suspended below the top beam, and the top end of the second rotating shaft is arranged on the top beam; one side of the waste rock blocking plate is fixed on the first rotating shaft; the bottom end of the jack is hinged to the second rotating shaft, the top end of the jack is hinged to the waste rock blocking plate, and the jack stretches to drive the waste rock blocking plate to rotate around the rotating shaft; therefore, the utility model discloses need not manual adjustment waste rock blocking plate, make waste rock blocking plate rotate convenient operation, make waste rock blocking plate can rotate different angles according to hydraulic support operating condition to realize more effective multi-functional protection.
Description
Technical Field
The utility model relates to a coal mining equipment technical field especially relates to a hydraulic support with multi-functional protection network.
Background
The hydraulic support is used along with coal mining, coal and gangue fall continuously, and threats are caused to workers and equipment. The traditional protective device is that a gangue blocking plate is arranged on a top beam. The coal gangue blocking plate is directly hinged to the top beam through a pin shaft, the rotation direction can be pushed forwards only through manpower, the gangue blocking plate is tilted, and only gangue from the working face in the parallel direction can be protected in the coal mining process to protect workers, and the gangue from the side face of the support cannot be protected.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough, the utility model discloses the technical problem that will solve is: the hydraulic support with the multifunctional protective net can conveniently adjust the angle of the waste rock blocking plate according to the actual support inclination angle, and more effective multifunctional protection is realized.
In order to solve the technical problem, the technical scheme of the utility model is that:
a hydraulic support with a multifunctional protective net comprises a top beam and the multifunctional protective net, wherein the multifunctional protective net comprises a first rotating shaft, a second rotating shaft, a waste rock blocking plate and a jack for acting the waste rock blocking plate to rotate; the first rotating shaft is suspended below the top beam, and the top end of the first rotating shaft is arranged on the top beam; the second rotating shaft is suspended below the top beam, and the top end of the second rotating shaft is arranged on the top beam; one side of the waste rock blocking plate is fixed on the first rotating shaft; the bottom end of the jack is hinged to the second rotating shaft, the top end of the jack is hinged to the waste rock blocking plate, and the jack stretches out and draws back to drive the waste rock blocking plate to rotate around the rotating shaft.
Preferably, the waste rock blocking plate is connected with the top beam in a sliding mode through a sliding assembly, and the sliding assembly is arranged on the waste rock blocking plate and the top beam respectively.
Preferably, the sliding assembly comprises an arc-shaped slideway arranged on the top beam and a sliding block fixedly arranged on the waste rock blocking plate, and the sliding block is arranged in the arc-shaped slideway and is in sliding connection with the arc-shaped slideway.
Preferably, the waste rock blocking plate is a telescopic waste rock blocking plate, and the telescopic waste rock blocking plate comprises a base plate and a telescopic plate sleeved on the outer side of the base plate; the telescopic plate stretches towards the side away from the top beam, and the base plate is connected with the rotating shaft and the jack respectively.
Preferably, a limiting assembly is arranged between the base plate and the expansion plate; the limiting assembly comprises a limiting bulge arranged on the side face of the base plate and a limiting baffle arranged at the end part of the expansion plate.
Preferably, the top end of the first rotating shaft is arranged on the top beam through a first pin shaft.
Preferably, the top end of the second rotating shaft is arranged on the top beam through a second pin shaft.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the hydraulic support with the multifunctional protective net comprises the top beam and the multifunctional protective net, the multifunctional protective net comprises the first rotating shaft, the second rotating shaft, the waste rock blocking plate and the jack for acting the rotation of the waste rock blocking plate; the first rotating shaft is suspended below the top beam, and the top end of the first rotating shaft is arranged on the top beam; the second rotating shaft is suspended below the top beam, and the top end of the second rotating shaft is arranged on the top beam; one side of the waste rock blocking plate is fixed on the first rotating shaft; the bottom end of the jack is hinged to the second rotating shaft, the top end of the jack is hinged to the waste rock blocking plate, and the jack stretches to drive the waste rock blocking plate to rotate around the rotating shaft; therefore, the utility model discloses need not manual adjustment waste rock blocking plate, make waste rock blocking plate rotate convenient operation to make waste rock blocking plate can rotate different angles according to hydraulic support operating condition, so that realize multi-functional protection more effectively.
The waste rock blocking plate is connected with the top beam in a sliding mode through the sliding assembly, and the sliding assembly is arranged on the waste rock blocking plate and the top beam respectively; under the common restraint of the sliding assembly and the rotating shaft, the rotation angle and the direction of the waste rock blocking plate are controllable, and the reliability is improved.
Because the sliding assembly comprises the arc-shaped slideway arranged on the top beam and the sliding block fixedly arranged on the waste rock blocking plate, the sliding block is arranged in the arc-shaped slideway and is in sliding connection with the arc-shaped slideway, the structure is simple and easy to realize.
The waste rock blocking plate is a telescopic waste rock blocking plate which comprises a base plate and a telescopic plate sleeved on the outer side of the base plate; the telescopic plate is telescopic towards the side away from the top beam, and the base plate is respectively connected with the rotating shaft and the jack; when the waste rock blocking plate rotates, the telescopic plate is contracted upwards, so that the mutual interference with equipment can be avoided.
Because the limit component is arranged between the base plate and the expansion plate; the limiting assembly comprises a limiting bulge arranged on the side surface of the base plate and a limiting baffle plate arranged at the end part of the expansion plate; ensure the connection between base plate and the expansion plate, prevent that the expansion plate from breaking away from.
In summary, the hydraulic support with the multifunctional protective net of the utility model solves the technical problems that the rotation of the waste rock blocking plate is manually adjusted, so that the operation is inconvenient and the protection can not be carried out according to the actual situation in the prior art; the utility model discloses an add first pivot, second pivot, slip subassembly and jack, make the waste rock blocking plate can be according to the actual operation condition, angle of adjustment to realize effectual multi-functional protection, and adopt behind the telescopic waste rock blocking plate, avoid interfering with equipment emergence in the adjustment process, make the waste rock blocking plate satisfy the user demand more.
Drawings
FIG. 1 is a schematic structural view of a multifunctional protective net and a top beam of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the gangue stopping plate of the present invention when the gangue stopping plate is rotated to a maximum angle;
FIG. 4 is a top view of FIG. 3;
in the figure: 1-top beam, 2-waste rock blocking plate, 20-base plate, 21-expansion plate, 3-first rotating shaft, 4-jack, 5-second rotating shaft, 6-sliding component, 60-arc slideway and 61-sliding block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 4, a hydraulic support with a multifunctional protective net comprises a top beam 1 and the multifunctional protective net, wherein the multifunctional protective net comprises a first rotating shaft 3, a second rotating shaft 5, a waste rock blocking plate 2 and a jack 4 for rotating the waste rock blocking plate 2; the first rotating shaft 3 is suspended below the top beam 1, the top end of the first rotating shaft 3 is arranged on the top beam 1, and the top end of the first rotating shaft 3 is arranged on the top beam 1 through a first pin shaft in the embodiment; the second rotating shaft 5 is suspended below the top beam 1, the top end of the second rotating shaft 5 is arranged on the top beam 1, and the top end of the second rotating shaft 5 is arranged on the top beam 1 through a second pin shaft in the embodiment; one side of the waste rock blocking plate 2 is fixed on the first rotating shaft 3, namely, one side of the waste rock blocking plate 2 extending vertically is fixedly connected with the first rotating shaft 3; the bottom end of the jack 4 is hinged to the second rotating shaft 5, the top end of the jack 4 is hinged to the waste rock blocking plate 2, and the jack 4 stretches out and draws back to drive the waste rock blocking plate 2 to rotate around the rotating shaft. The top ends of the first and second rotating shafts 3 and 5 are ends close to the top beam 1, the top end of the jack 4 is an end that extends and retracts, and the bottom end of the jack 4 is an end that does not extend and retract.
When the jack 4 stretches, the jack drives the waste rock blocking plate 2 to rotate around the rotating shaft so as to adjust the protection angle of the waste rock blocking plate 2. When jack 4 contracts, keep off waste rock board 2 and be used for the protection to come from the gangue in support the place ahead, prevent that the gangue from hindering the people, when jack 4 stretches out, keep off waste rock board 2 and be used for the protection to come from the gangue in tunnel, the operation of protection machine to realize multi-functional protection. And because the rotation of waste rock blocking plate 2 is accomplished by jack 4, make the adjustment convenient operation of waste rock blocking plate 2, when there is the mining mode that the inclination adopted the face up to adopt or the face down to adopt in the coal seam exploitation, the support is arranged at the working face and is had certain inclination, can adjust the angle of waste rock blocking plate 2 according to the support inclination of reality this moment, realizes more effective protection.
As shown in fig. 1 and 3, the waste rock blocking plate 2 is connected with the top beam 1 in a sliding mode through a sliding assembly 6, and the sliding assembly 6 is arranged on the waste rock blocking plate 2 and the top beam 1 respectively. In this example, the sliding assembly 6 comprises an arc-shaped slideway 60 arranged on the top beam 1 and a sliding block 61 fixedly arranged on the gangue blocking plate 2, wherein the sliding block 61 is arranged in the arc-shaped slideway 60 and is in sliding connection with the arc-shaped slideway 60. When the jack 4 acts on the gangue blocking plate 2 to rotate, one side of the gangue blocking plate 2 rotates around the rotating shaft, and the other side of the gangue blocking plate rotates along the arc-shaped slideway 60 under the driving of the sliding block 61.
As shown in fig. 2 and 4, the waste rock blocking plate 2 is a telescopic waste rock blocking plate, the telescopic waste rock blocking plate comprises a base plate 20 and a telescopic plate 21 sleeved outside the base plate 20, the telescopic plate 21 extends and retracts back to the side away from the top beam 1, and the base plate 20 is connected with the rotating shaft and the jack 4 respectively. In this example, a limit component is arranged between the base plate 20 and the expansion plate 21; the limiting assembly comprises a limiting bulge arranged on the side surface of the base plate 20 and a limiting baffle plate arranged at the end part of the expansion plate 21.
In the rotation process of the waste rock blocking plate 2, the expansion plate 21 positioned below is upwards contracted so as to reduce the length of the whole waste rock blocking plate 2 and prevent the waste rock blocking plate 2 from interfering with equipment in the rotation process.
Wherein spacing arch can be established on the both sides face of base plate 20 bottom, and limit baffle establishes on the top of expansion plate 21, and expansion plate 21 stretches downwards, meets the back when limit arch and limit baffle, supports each other to lean on to realize spacingly, makes expansion plate 21 can not break away from to realize reliable protection. Of course, the spacing assembly is not limited to the above-listed configurations.
In addition, the base plate 20 and the expansion plate 21 may be provided with a guide structure to ensure reliable expansion and contraction of the expansion plate 21 and improve reliability.
The above-mentioned preferred embodiments of the present invention are not intended to limit the present invention, and any modification made within the spirit and principle of the present invention, such as an improvement on a hydraulic support with a multifunctional protective net, should be included within the scope of the present invention.
Claims (7)
1. The hydraulic support with the multifunctional protective net comprises a top beam and is characterized by also comprising the multifunctional protective net, wherein the multifunctional protective net comprises a first rotating shaft, a second rotating shaft, a waste rock blocking plate and a jack for acting the waste rock blocking plate to rotate;
the first rotating shaft is suspended below the top beam, and the top end of the first rotating shaft is arranged on the top beam;
the second rotating shaft is suspended below the top beam, and the top end of the second rotating shaft is arranged on the top beam;
one side of the waste rock blocking plate is fixed on the first rotating shaft;
the bottom end of the jack is hinged to the second rotating shaft, the top end of the jack is hinged to the waste rock blocking plate, and the jack stretches out and draws back to drive the waste rock blocking plate to rotate around the rotating shaft.
2. The hydraulic support with the multifunctional protective net according to claim 1, wherein the gangue blocking plate is slidably connected with the top beam through a sliding assembly, and the sliding assembly is respectively arranged on the gangue blocking plate and the top beam.
3. The hydraulic support with the multifunctional protective net according to claim 2, wherein the sliding assembly comprises an arc-shaped slideway arranged on the top beam and a sliding block fixedly arranged on the waste rock blocking plate, and the sliding block is arranged in the arc-shaped slideway and is in sliding connection with the arc-shaped slideway.
4. The hydraulic support with the multifunctional protective net according to claim 1, wherein the waste rock blocking plate is a telescopic waste rock blocking plate, and the telescopic waste rock blocking plate comprises a base plate and a telescopic plate sleeved outside the base plate;
the telescopic plate stretches towards the side away from the top beam, and the base plate is connected with the rotating shaft and the jack respectively.
5. The hydraulic support with the multifunctional protective net according to claim 4, characterized in that a limiting component is arranged between the base plate and the expansion plate;
the limiting assembly comprises a limiting bulge arranged on the side face of the base plate and a limiting baffle arranged at the end part of the expansion plate.
6. The hydraulic support with the multifunctional protective net according to claim 1, wherein the top end of the first rotating shaft is arranged on the top beam through a first pin.
7. The hydraulic support with the multifunctional protective net according to claim 1, wherein the top end of the second rotating shaft is arranged on the top beam through a second pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120854242.2U CN214887156U (en) | 2021-04-24 | 2021-04-24 | Hydraulic support with multifunctional protective net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120854242.2U CN214887156U (en) | 2021-04-24 | 2021-04-24 | Hydraulic support with multifunctional protective net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214887156U true CN214887156U (en) | 2021-11-26 |
Family
ID=78948754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120854242.2U Active CN214887156U (en) | 2021-04-24 | 2021-04-24 | Hydraulic support with multifunctional protective net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214887156U (en) |
-
2021
- 2021-04-24 CN CN202120854242.2U patent/CN214887156U/en active Active
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