CN110939471A

CN110939471A - Net supporting machine for roadway support and using method thereof

Info

Publication number: CN110939471A
Application number: CN201911413263.4A
Authority: CN
Inventors: 贾鹏; 吕龙
Original assignee: ANHUI MINING ELECTROMECHANICAL EQUIPMENT Co Ltd
Current assignee: ANHUI MINING ELECTROMECHANICAL EQUIPMENT Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-03-31

Abstract

The invention belongs to the technical field of roadway net supporting and supporting, and particularly relates to a net supporting machine for roadway supporting and a using method thereof, wherein the net supporting machine comprises a front support and a rear support, the end surfaces of the two ends of the front support are respectively provided with a telescopic part I, the end surfaces of the two ends of the rear support are respectively provided with a telescopic part II, a pushing telescopic part is arranged between the front support and the rear support, the two ends of the front support are provided with front brackets, and the rear support between the front brackets at the two sides is provided with a rear bracket; the front bracket and the rear bracket are Z-shaped structural members. The burden of constructors is lightened by lifting the net supporting machine, and the constructors gradually carry out the lapping and supporting work along with the advance of the net supporting machine in the supporting process.

Description

Net supporting machine for roadway support and using method thereof

Technical Field

The invention belongs to the technical field of roadway support net support, and particularly relates to a net support machine for roadway support and a using method thereof.

Background

At present, the support mode of the heading section for tunneling a coal mine underground roadway is generally a U-shaped shed, a trapezoidal shed, an anchor net or an anchor belt net support. In the prior art, manual construction is adopted for advance top protection, or a temporary supporting device and an onboard temporary supporting mode are adopted for top protection. Currently, a plurality of airborne temporary support modes are adopted. The multiple supporting modes have the disadvantages of multiple working procedures, slow equipment movement, low working efficiency, high labor intensity, high roof management difficulty and difficult safety guarantee. Particularly, the anchor net is used for supporting, the anchor net is fully lifted manually or a simple wooden support is attached to the top of the roadway in the process of erecting the anchor net, so that the anchor net is laid on the top of the roadway, workers are difficult to ensure in the process, physical consumption is excessive, and efficiency is low.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a net supporting machine for roadway support and a using method thereof.

The invention is realized by the following technical scheme: a net supporting machine for roadway supporting comprises a front support and a rear support, wherein telescopic parts I are arranged on the end faces of the two ends of the front support, telescopic parts II are arranged on the end faces of the two ends of the rear support, a pushing telescopic part is arranged between the front support and the rear support, front brackets are arranged at the two ends of the front support, and a rear bracket is arranged on the rear support between the front brackets at the two sides; the front bracket and the rear bracket are Z-shaped structural members.

Furthermore, the telescopic component I, the telescopic component II and the pushing telescopic component are all jacks.

Furthermore, the pushing telescopic parts are respectively arranged between the telescopic parts I on the two sides of the front support and the telescopic parts II adjacent to the telescopic parts I.

The invention also provides a use method of the net supporting machine for roadway support, which comprises the following use steps:

the method comprises the following steps: the telescopic parts I and II on the two sides of the net supporting machine extend out of and prop against the coal wall, at the moment, the net supporting machine is in an initial state, the free end of a support anchor rod on the top of a roadway is connected with a suspension collision door, and the net supporting machine is supported on the suspension collision door to wait for operation;

step two: the telescopic parts I on the two sides of the net supporting machine retract, the telescopic parts are pushed to extend, the front support is pushed to move forwards, and a front bracket of the front support collides with a hanging collision door on a front anchor rod by means of a Z-shaped structure in the process of moving forwards;

step three: after the front support reaches a designated position, the telescopic parts I at two sides of the net supporting machine extend to prop against the coal wall, the telescopic parts II at two sides of the net supporting machine retract, the telescopic parts are pushed to retract, the rear support is pulled to move forwards, a rear bracket of the rear support collides with a hanging collision door on a front anchor rod by virtue of a Z-shaped structure in the process of moving forwards, at the moment, the net supporting machine is completely separated from the rear hanging collision door, and the whole weight of the net supporting machine is borne by the front hanging collision door;

step four: after the rear support reaches a designated position, the telescopic parts II on the two sides of the net supporting machine extend out to prop against the coal wall, at the moment, the protective net is placed at the front end supported by the front bracket and the rear bracket together, and then the protective net is fixed at the top of the roadway;

and fifthly, repeating the second step to the fourth step to complete roadway support and stepping work.

The invention has the beneficial effects that: through the lifting of net supporting machine, the burden of constructors is lightened, constructors gradually carry out the lapping and supporting work along with the advancing of the net supporting machine in the supporting process, and a collision door for supporting the net supporting machine can be automatically knocked away along the moving direction of the net supporting machine, so that the supporting effect on the net supporting machine is achieved, meanwhile, the work of supporting the net supporting machine along a roadway is not influenced, the supporting device of the net supporting machine is not required to be disassembled, the workload of the constructors is greatly lightened, and the working efficiency is improved.

Drawings

FIG. 1 is a top view of the structure of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural view of a suspended crash door of the present invention;

in the figure, the device comprises a rear support 1, a front support 2, a front support 3, telescopic parts II, 4, telescopic parts I, 5, a pushing telescopic part 6, a rear bracket 7, a front bracket 8, a hanging collision door 8-1, an upper frame 8-2, a rotating shaft 8-3, a baffle plate 8-4, a torsion spring 8-5, an anchor rod 8-6, a limiting plate 9 and a protecting net.

Detailed Description

The invention is further illustrated below with reference to the figures and examples.

As shown in fig. 1 and 2, the net supporting machine for roadway supporting comprises a front support 2 and a rear support 1, wherein telescopic parts I4 are arranged on the end faces of the two ends of the front support 2, telescopic parts II 3 are arranged on the end faces of the two ends of the rear support 1, a pushing telescopic part 5 is respectively arranged between the telescopic parts I4 on the two sides of the front support 2 and the telescopic parts II 3 adjacent to the telescopic parts I4, and the pushing telescopic parts 5 are used for enabling the net supporting machine to move back and forth in a roadway. Front brackets 7 are arranged at two ends of the front support 2, and a rear bracket 6 is arranged on the rear support 1 between the front brackets 7 at two sides; the front bracket 7 and the rear bracket 6 are both Z-shaped structural members. The telescopic part I4, the telescopic part II 3 and the pushing telescopic part 5 are jacks. The telescopic part I4 and the telescopic part II 3 are used for fixing the position of the net supporting machine.

As shown in fig. 1 to 3, the present invention also provides a method for using a net supporting machine for roadway support, including any one of the above net supporting machines for roadway support, including the following steps:

the method comprises the following steps: the telescopic parts I4 and II 3 on the two sides of the net supporting machine extend out of and prop against the coal wall, at the moment, the net supporting machine is in an initial state, the free end of a support anchor rod on the top of a roadway is connected with a hanging collision door 8, and the net supporting machine is supported on the hanging collision door 8 to wait for operation; as shown in fig. 3, the suspension collision door 8 comprises an upper frame 8-1, wherein rotating shafts 8-2 are arranged at the two side ends of the upper frame 8-1, a baffle plate 8-3 is arranged at one end of each rotating shaft 8-2 far away from the upper frame 8-1, a torsion spring 8-4 is sleeved on each rotating shaft 8-2, and one end of each torsion spring 8-4 is fixed on the upper frame 8-1; the rotating shaft 8-2 is rotatably connected with the upper frame 8-1, and the rotating shaft 8-2 is fixedly connected with the baffle 8-3; the upper frame 8-1 is fixed on the anchor rod 8-5; limiting plates 8-6 for limiting the positions of the baffles 8-3 are further arranged at the end parts of the two sides of the upper frame 2, and the initial positions of the torsional springs 8-4 in rotation do not need to be accurately adjusted. When the net supporting machine moves forwards along a roadway, the baffle plates 8-3 can be jacked open through the front bracket 7 or the rear bracket 6, and after the front bracket 7 of the net supporting machine or the rear bracket 6 of the net supporting machine passes, the baffle plates 8-3 on the two sides are automatically restored to a closed state by virtue of the torsion springs 8-4.

Step two: retracting the telescopic parts I4 at the two sides of the net supporting machine, pushing the telescopic parts 5 to extend, pushing the telescopic parts 5 to push the front supports 2 to move forwards by taking the rear supports 1 supported on the coal walls at the two sides as force points, and knocking a hanging collision door 8 on a front anchor rod by a front bracket 7 of the front supports 2 through a Z-shaped structure in the process of moving forwards;

step three: after the front support 2 reaches a designated position, the telescopic parts I4 on two sides of the net supporting machine extend out to prop against the coal wall, the telescopic parts II 3 on two sides of the net supporting machine retract, the telescopic parts 5 are pushed to retract, the rear support 1 is pulled to move forwards, a rear bracket 6 of the rear support 1 collides with a hanging collision door 8 on a front anchor rod through a Z-shaped structure in the process of moving forwards, at the moment, the net supporting machine is completely separated from the hanging collision door 8 on the rear side, and the whole weight of the net supporting machine is borne by the hanging collision door 8 on the front side;

step four: after the rear support 1 reaches a designated position, the telescopic parts II 3 at two sides of the net supporting machine extend out to prop against the coal wall, at the moment, the protective net 9 is manually placed at the front end supported by the front bracket 7 and the rear bracket 6 together, and then the protective net 9 is fixed at the top of the roadway;

Claims

1. The utility model provides a net supporting machine for roadway support, its characterized in that: the device comprises a front support (2) and a rear support (1), wherein telescopic parts I (4) are arranged on the end faces of the two ends of the front support (2), telescopic parts II (3) are arranged on the end faces of the two ends of the rear support (1), a pushing telescopic part (5) is arranged between the front support (2) and the rear support (1), front brackets (7) are arranged on the two ends of the front support (2), and a rear bracket (6) is arranged on the rear support (1) between the front brackets (7) on the two sides; the front bracket (7) and the rear bracket (6) are Z-shaped structural members.

2. The net supporting machine for roadway support according to claim 1, characterized in that: the telescopic component I (4), the telescopic component II (3) and the pushing telescopic component (5) are jacks.

3. The net supporting machine for roadway support according to claim 1, characterized in that: the pushing telescopic parts (5) are respectively arranged between the telescopic parts I (4) on the two sides of the front support (2) and the telescopic parts II (3) adjacent to the telescopic parts I (4).

4. A use method of a net supporting machine for roadway support is characterized in that: the net supporting machine for roadway support according to any one of claims 1 to 3, comprising the following steps:

the method comprises the following steps: the telescopic parts I (4) and II (3) on the two sides of the net supporting machine extend out of and prop against the coal wall, at the moment, the net supporting machine is in an initial state, the free end of a support anchor rod on the top of a roadway is connected with a hanging collision door (8), and the net supporting machine is supported on the hanging collision door (8) to wait for operation;

step two: the telescopic parts I (4) on the two sides of the net supporting machine retract, the telescopic parts (5) are pushed to extend, the front support (2) is pushed to move forwards, and a front bracket (7) of the front support (2) bumps off a hanging collision door (8) on an anchor rod on the front side by means of a Z-shaped structure in the moving forwards process;

step three: after the front support (2) reaches a designated position, the telescopic parts I (4) on the two sides of the net supporting machine extend to prop against the coal wall, the telescopic parts II (3) on the two sides of the net supporting machine retract, the telescopic parts (5) are pushed to retract, the rear support (1) is pulled to move forwards, a rear bracket (6) of the rear support (1) collides with a hanging collision door (8) on a front anchor rod by virtue of a Z-shaped structure in the moving forwards process, at the moment, the net supporting machine is completely separated from the hanging collision door (8) on the rear side, and the whole weight of the net supporting machine is borne by the hanging collision door (8) on the front side;

step four: after the rear support (1) reaches a designated position, the telescopic parts II (3) at two sides of the net supporting machine extend out to prop against the coal wall, at the moment, the protective net (9) is placed at the front end supported by the front bracket (7) and the rear bracket (6) together, and then the protective net (9) is fixed at the top of the roadway;