CN216157689U

CN216157689U - Roadway support device

Info

Publication number: CN216157689U
Application number: CN202121974358.6U
Authority: CN
Inventors: 申志坚; 付宏伟; 李富元; 王照俊; 王一丰; 赵帅; 王旭锋; 孔大卫; 李美芳; 常有
Original assignee: Shanxi Fenxi Mining Group Co Ltd
Current assignee: Shanxi Fenxi Mining Group Co Ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-04-01
Anticipated expiration: 2031-08-23

Abstract

The utility model provides a roadway support device, which comprises: the support structure comprises a plurality of support frames, wherein any one support frame comprises a U-shaped top beam, a U-shaped bottom beam and a pair of vertical beams, the U-shaped top beam is fixed on a top plate of a roadway, a bottom cutting cross cutter is fixed at the bottom end of the U-shaped bottom beam, the bottom cutting cross cutter is fixed on a bottom plate of the roadway, and the pair of vertical beams are respectively fixed at two ends of the U-shaped top beam and the U-shaped bottom beam; at least two arc top beams are connected between two adjacent U-shaped top beams, and at least two bottom cutting vertical cutters are connected between two adjacent U-shaped bottom beams. The roadway support device integrates active support and isobaric support, improves the safety of support, and avoids repeated maintenance.

Description

Roadway support device

Technical Field

The utility model relates to the technical field of roadway support, in particular to a roadway support device.

Background

The coal mine underground roadway comprises a pedestrian roadway, a material conveying roadway, a ventilation roadway and a transportation roadway, and each roadway needs to be stably supported. Under the action of various pressures, the top plate of each roadway is easy to crush, the two sides of each roadway deform, and the bottom plate bulges, so that the roadway is difficult to operate. The mode of solving at present is that mend and beat anchor rope and stabilize the roof, mend and beat anchor rod control two helps, clear away the material of puckering with the not hard up broken bottom plate of pneumatic pick, waste time and energy and be unsafe again, and consumptive material takes the material to maintain repeatedly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a roadway support device, which aims to solve the problems that roadway support in the prior art is unsafe and needs to be maintained repeatedly.

The technical scheme of the utility model is realized as follows:

a roadway support apparatus comprising: the support structure comprises a plurality of support frames, wherein any one support frame comprises a U-shaped top beam, a U-shaped bottom beam and a pair of vertical beams, the U-shaped top beam is fixed on a top plate of a roadway, a bottom cutting cross cutter is fixed at the bottom end of the U-shaped bottom beam, the bottom cutting cross cutter is fixed on a bottom plate of the roadway, and the pair of vertical beams are respectively fixed at two ends of the U-shaped top beam and the U-shaped bottom beam; at least two arc top beams are connected between two adjacent U-shaped top beams, and at least two bottom cutting vertical cutters are connected between two adjacent U-shaped bottom beams.

Preferably, a side baffle is connected between two adjacent vertical beams.

Preferably, the bottom-cutting cross cutter comprises a cross cutter, a plurality of reinforcing ribs are arranged on the side portion of the cross cutter, the side portion of each reinforcing rib is in an inverted triangle shape, and the top of each reinforcing rib is in a semi-circular arc shape.

Preferably, the both ends department of U type back timber is provided with the draw-in groove, and the both ends of U type floorbar are provided with the connection pad, and the top of a pair of perpendicular roof beam sets up to the protruding and bottom flange that is provided with of card, and the protruding two draw-in grooves with the U type back timber of card of a pair of perpendicular roof beam are connected respectively, and the connection pad of a pair of perpendicular roof beam passes through the bolt and is connected with two connection pads of U type floorbar respectively.

Preferably, the U-shaped top beam is provided with an anchor rod hanging lug and at least two connecting support lugs, the arc-shaped top beam is connected with the connecting support lugs, and the anchor rod or the anchor cable is connected to the anchor rod hanging lug.

Preferably, the cross section of the bottom cutting vertical knife is in an inverted triangle shape, and two ends of the bottom cutting vertical knife are provided with connecting lugs; an arc-shaped base is fixed on the U-shaped bottom beam, and a connecting lug plate is arranged on the arc-shaped base and used for being connected with the connecting lugs.

Preferably, both ends of the side baffle are provided with baffle hangers for connecting the vertical beam.

The utility model has the beneficial effects that: the roadway supporting device disclosed by the utility model utilizes the support of the U-shaped top beam and the arc-shaped top beam to prevent the top plate from being crushed and separated from the layer. The U-shaped bottom beam, the pair of vertical beams and the U-shaped top beam are connected into a frame surrounding the roadway, and the deformation of two sides of the roadway can be relieved integrally. The bottom-cutting transverse cutter and the bottom-cutting vertical cutter on the U-shaped bottom beam disperse and cut the whole upward thrust of the roadway bottom plate, slow down the deformation time of the bottom plate, prolong the service life of the whole roadway, improve the use stability, reduce the maintenance times, improve the safety performance and are new energy-saving and efficiency-increasing equipment. The roadway support device of the utility model not only carries out active support, but also carries out isobaric support.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a roadway support device of the present invention;

FIG. 2 is a schematic structural view of the U-shaped top beam shown in FIG. 1;

FIG. 3 is a schematic structural view of the U-shaped bottom beam shown in FIG. 1;

FIG. 4 is a schematic structural view of the vertical beam of FIG. 1;

FIG. 5 is a schematic view of the structure of the transversal undercutter shown in FIG. 1;

fig. 6 is a schematic structural view of the undercutting vertical knife shown in fig. 1.

In the figure:

1. a support frame; 11. a U-shaped top beam; 12. a U-shaped bottom beam; 13. erecting a beam; 14. a bottom cutting horizontal knife; 15. an arc-shaped top beam; 16. a bottom cutting vertical knife; 17. a side dam; 111. a card slot; 112. hanging a lug by using an anchor rod; 113. connecting the support lugs; 121. a connecting disc; 122. connecting the ear plates; 131. clamping convex; 132. a flange plate; 161. and connecting the hangers.

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.

Example (b): a roadway support apparatus as shown in fig. 1, comprising: the device comprises a plurality of supporting frames 1, wherein any supporting frame comprises a U-shaped top beam 11, a U-shaped bottom beam 12 and a pair of vertical beams 13, the U-shaped top beam 11 is fixed on a top plate of a roadway, a bottom cutting cross cutter 14 is fixed at the bottom end of the U-shaped bottom beam 12, the bottom cutting cross cutter 14 is fixed on a bottom plate of the roadway, and the pair of vertical beams 13 are respectively fixed at two ends of the U-shaped top beam 11 and the U-shaped bottom beam 12; at least two arc top beams 15 are connected between two adjacent U-shaped top beams 11, and at least two bottom cutting vertical knives 16 are connected between two adjacent U-shaped bottom beams 12. And a side baffle 17 is connected between two adjacent vertical beams.

As shown in fig. 2 to 4, two ends of the U-shaped top beam 11 are provided with clamping grooves 111, two ends of the U-shaped bottom beam 12 are provided with connecting discs 121, the top ends of the pair of vertical beams 13 are provided with clamping protrusions 131, the bottom of the pair of vertical beams is provided with a flange 132, the clamping protrusions of the pair of vertical beams are respectively connected with the two clamping grooves of the U-shaped top beam, and the connecting discs of the pair of vertical beams are respectively connected with the two connecting discs of the U-shaped bottom beam through bolts and nuts. The connection between U type back timber, U type floorbar and a pair of vertical beam is convenient for install and remove, and a plurality of supporting frame connect simultaneously, increase the stability of strutting.

As shown in fig. 5, the bottom-cutting cross knife 14 includes a cross-cutting knife, the lateral part of the cross-cutting knife is provided with a plurality of reinforcing ribs, the lateral part of each reinforcing rib is an inverted triangle, and the top part of each reinforcing rib is a semi-circular arc. The strength of the bottom-cutting cross cutter is increased.

As shown in fig. 1, the U-shaped top beam 11 is provided with an anchor rod hanging lug 112 and at least two connecting support lugs 113, the arc-shaped top beam is connected with the connecting support lugs, and the anchor rod or the anchor cable is connected to the anchor rod hanging lug. The U-shaped top beam is directly connected with the anchor rod or the anchor cable to strengthen protection. The two ends of the side baffle 16 are provided with baffle hangers for connecting the vertical beams, which is convenient for connection.

As shown in fig. 6, the cross section of the bottom cutting vertical knife 16 is an inverted triangle, and the connecting lugs 161 are arranged at two ends of the bottom cutting vertical knife. As shown in fig. 3, a connection ear plate 122 is fixed on the U-shaped bottom beam 12 for connecting with a connection ear for connection.

The roadway supporting device is supported by the U-shaped top beam and the arc-shaped top beam, and the U-shaped top beam is connected with the anchor rod or the anchor cable, so that the top plate is prevented from being broken and separated. The U-shaped bottom beam, the pair of vertical beams and the U-shaped top beam are connected into a frame surrounding the roadway, and the deformation of two sides of the roadway can be relieved integrally. The bottom-cutting transverse cutter and the bottom-cutting vertical cutter on the U-shaped bottom beam disperse and cut the whole upward thrust of the roadway bottom plate, slow down the deformation time of the bottom plate, prolong the service life of the whole roadway, improve the use stability, reduce the maintenance times, improve the safety performance and are new energy-saving and efficiency-increasing equipment. The roadway support device can also be used for a gob-side entry of a coal mining surface.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A roadway support apparatus, comprising: the support structure comprises a plurality of support frames, wherein any one support frame comprises a U-shaped top beam, a U-shaped bottom beam and a pair of vertical beams, the U-shaped top beam is fixed on a top plate of a roadway, a bottom cutting cross cutter is fixed at the bottom end of the U-shaped bottom beam, the bottom cutting cross cutter is fixed on a bottom plate of the roadway, and the pair of vertical beams are respectively fixed at two ends of the U-shaped top beam and the U-shaped bottom beam; at least two arc top beams are connected between two adjacent U-shaped top beams, and at least two bottom cutting vertical cutters are connected between two adjacent U-shaped bottom beams.

2. The roadway support apparatus of claim 1, wherein a side dam is connected between two adjacent vertical beams.

3. The roadway support apparatus of claim 1, wherein the undercutting cross cutter comprises a transverse cutter, a plurality of reinforcing ribs are arranged on the side part of the transverse cutter, the side part of each reinforcing rib is in an inverted triangle shape, and the top part of each reinforcing rib is in a semi-circular arc shape.

4. The roadway support device of claim 1, wherein clamping grooves are formed at two ends of the U-shaped top beam, connecting discs are arranged at two ends of the U-shaped bottom beam, clamping protrusions are arranged at the top ends of the pair of vertical beams, flange plates are arranged at the bottom of the pair of vertical beams, the clamping protrusions of the pair of vertical beams are respectively connected with the two clamping grooves of the U-shaped top beam, and the connecting discs of the pair of vertical beams are respectively connected with the two connecting discs of the U-shaped bottom beam through bolts and nuts.

5. The roadway support device of claim 1, wherein the U-shaped top beam is provided with an anchor rod hanging lug and at least two connecting supporting lugs, the arc-shaped top beam is connected with the connecting supporting lugs, and an anchor rod or an anchor cable is connected to the anchor rod hanging lug.

6. The roadway support device according to claim 1, wherein the cross section of the bottom-cutting vertical knife is an inverted triangle, and connecting lugs are arranged at two ends of the bottom-cutting vertical knife; an arc-shaped base is fixed on the U-shaped bottom beam, and a connecting lug plate is arranged on the arc-shaped base and used for being connected with the connecting lugs.

7. The roadway support apparatus of claim 2, wherein baffle hangers are provided at both ends of the side baffles for connecting to vertical beams.