CN115898485A - Roadway support device - Google Patents

Roadway support device Download PDF

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Publication number
CN115898485A
CN115898485A CN202110964665.4A CN202110964665A CN115898485A CN 115898485 A CN115898485 A CN 115898485A CN 202110964665 A CN202110964665 A CN 202110964665A CN 115898485 A CN115898485 A CN 115898485A
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CN
China
Prior art keywords
shaped
roadway
beams
pair
vertical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110964665.4A
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Chinese (zh)
Inventor
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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Fenxi Mining Group Co Ltd
Original Assignee
Shanxi Fenxi Mining Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanxi Fenxi Mining Group Co Ltd filed Critical Shanxi Fenxi Mining Group Co Ltd
Priority to CN202110964665.4A priority Critical patent/CN115898485A/en
Publication of CN115898485A publication Critical patent/CN115898485A/en
Pending legal-status Critical Current

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Abstract

The invention 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 invention 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.
Disclosure of Invention
The invention 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 invention 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, the two ends of the connecting baffle are provided with baffle hangers for connecting the vertical beam.
The beneficial effects of the invention are as follows: the roadway supporting device disclosed by the invention 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 invention 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 embodiments or the description of the prior art will be briefly described below, 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 the 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. connecting a side baffle; 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 support frame comprises a plurality of support frames 1, wherein any one support 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 cutters 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 parts of the pair of vertical beams are provided with flange discs 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 braced frame connect simultaneously, increase the stability of strutting.
As shown in fig. 5, the bottom-cutting cross knife 14 includes a cross cutter, the lateral part of the cross cutter 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 knife 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 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 connecting baffle 16 are provided with baffle hangers for connecting the vertical beams, so that the connection is convenient.
As shown in fig. 6, the cross section of the bottom-cutting vertical knife 16 is an inverted triangle, and two ends of the bottom-cutting vertical knife are provided with connecting lugs 161. 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. U type floorbar, a pair of vertical beam and U type back timber connect into a frame that encircles the tunnel, and whole can slow down the deformation of two group in tunnel. 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 invention, 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 (7)

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 cross cutter, a plurality of reinforcing ribs are arranged on the side of the cross cutter, the side of each reinforcing rib is in an inverted triangle shape, and the top 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 undercut vertical knife is an inverted triangle, and connecting lugs are arranged at two ends of the undercut 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 a connecting lug.
7. The roadway support apparatus of claim 2, wherein baffle lugs are provided at both ends of the connection baffle for connecting the vertical beams.
CN202110964665.4A 2021-08-23 2021-08-23 Roadway support device Pending CN115898485A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110964665.4A CN115898485A (en) 2021-08-23 2021-08-23 Roadway support device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110964665.4A CN115898485A (en) 2021-08-23 2021-08-23 Roadway support device

Publications (1)

Publication Number Publication Date
CN115898485A true CN115898485A (en) 2023-04-04

Family

ID=86482708

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110964665.4A Pending CN115898485A (en) 2021-08-23 2021-08-23 Roadway support device

Country Status (1)

Country Link
CN (1) CN115898485A (en)

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