CN110566249A - Temporary support for coal mine tunnel - Google Patents
Temporary support for coal mine tunnel Download PDFInfo
- Publication number
- CN110566249A CN110566249A CN201910974113.4A CN201910974113A CN110566249A CN 110566249 A CN110566249 A CN 110566249A CN 201910974113 A CN201910974113 A CN 201910974113A CN 110566249 A CN110566249 A CN 110566249A
- Authority
- CN
- China
- Prior art keywords
- plate
- fixedly connected
- protective
- coal mine
- temporary support
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
Abstract
The invention discloses a temporary support for a coal mine roadway, and relates to the technical field of coal mine equipment. The invention comprises a supporting plate: a buffer spring and a positioning anchor are respectively and fixedly connected to one surface of the supporting plate; a protection plate is fixedly connected to the surface of the supporting plate through a buffer spring; one end of the positioning anchor penetrates through the protection plate and extends to the outside of the protection plate; a protective groove is formed in the surface of the protective plate; an auxiliary anchor is fixedly connected to the surface of the first protection plate; an arched plate is fixedly connected between the inner surfaces of the supporting plates. According to the invention, through the concave surface design of the protective groove, the auxiliary anchor, the protective net and the protective plate, on one hand, during temporary support, the supporting plate can be effectively limited, the stability of the supporting plate is enhanced, and the phenomenon that the supporting plate is displaced after being collided to influence the overall stability of the structure is avoided; on the other hand, when strutting temporarily, can protect and spacing the sediment that falls that appears among the shoring process, avoid it to cause the injury to the staff below.
Description
Technical Field
the invention belongs to the technical field of coal mine equipment, and particularly relates to a temporary support for a coal mine roadway.
background
In the coal mining production process under the coal mine, the tunneling work is an indispensable system engineering, the quality of the support of the tunneling work is related to the service life and the service effect of a roadway, wherein the control of exposed surrounding rock bodies before permanent support, namely temporary support, is a technical problem which puzzles coal mine safety production for a long time, the top plate of the tunneling work surface is a main factor of production casualty accidents in the coal industry of China, and in order to reduce the accidents, the temporary support of the tunneling work surface for a long time mainly adopts modes of front canopy temporary support, machine-mounted temporary support, self-moving tunneling temporary support and the like.
although certain safety measures are adopted and certain effects are achieved for temporary support of the coal mine underground tunneling roadway, certain potential safety hazards still exist due to the fact that uncertain factors such as multiple underground roadway geological conditions and the like can be used; the forepoling bar needs to be matched by a plurality of persons, a hinged roof wood board is laid, the back of the forepoling bar is tight, and the back of the forepoling bar is firm, so that time and labor are wasted; secondly, the method belongs to passive support, has no primary support force, and greatly reduces the support capability; moreover, the operation in the empty top area cannot be avoided during manual operation, and certain danger is caused; the machine-mounted temporary support device and the self-moving tunneling temporary support device reduce the labor intensity of workers, shorten the temporary support time and greatly improve the safety factor, but are limited by the problems of equipment transformation, equipment investment and the like due to insufficient roadway space, and are less used in the tunneling of coal roadways. Therefore, it is imperative to design a simple and reliable temporary support device.
Disclosure of Invention
The invention aims to provide a temporary support for a coal mine roadway, which solves the problems that the existing support device is low in structural strength, not stable enough and cannot be tightly attached to the top surface when being fixed through a protection groove, an auxiliary anchor, a positioning anchor, a protective net and a protection plate.
In order to solve the technical problems, the invention is realized by the following technical scheme:
The invention relates to a temporary support for a coal mine tunnel, which comprises a supporting plate:
A buffer spring and a positioning anchor are fixedly connected to one surface of the supporting plate respectively; a protection plate is fixedly connected to one surface of the supporting plate through a buffer spring; one end of the positioning anchor penetrates through the protection plate and extends to the outside of the protection plate; a protective groove is formed in one surface of the protective plate; an auxiliary anchor is fixedly connected to one surface of the protection plate;
an arched plate is fixedly connected between the inner surfaces of the supporting plates; a reinforcing rod is fixedly connected to one surface of the arched plate; one end of the reinforcing rod, which is far away from the arched plate, is fixedly connected with the supporting plate; one end of the supporting plate, which is far away from the protection plate, is fixedly connected with a hydraulic rod; and the peripheral side surface of the hydraulic rod is fixedly connected with a limiting rod.
further, the supporting plate is in an inverted U shape; twelve buffer springs are distributed on one surface of the supporting plate in a linear array.
further, the auxiliary anchor and the positioning anchor are distributed at intervals; the auxiliary anchors and the positioning anchors are distributed on the surface of the protection plate in a linear array; the limiting rod is a bidirectional adjusting screw rod.
Furthermore, one end of the hydraulic rod, which is far away from the support plate, is fixedly connected with a bottom plate; a spiral ground anchor is fixedly connected to one surface of the bottom plate; the side surface of the periphery of the hydraulic rod is sleeved with an anti-tilting ring.
Further, the circumferential side face of the anti-tilting ring is hinged with a connecting rod; the other end of the connecting rod is fixedly connected with the bottom plate.
Further, the protective groove is square; the protection plate is concave; the arched plate is convex; a protective net is clamped on one surface of the protective plate.
The invention has the following beneficial effects:
1. According to the invention, through the concave surface design of the protective groove, the auxiliary anchor, the positioning anchor, the protective net and the protective plate, on one hand, during temporary supporting, the supporting plate can be effectively limited, the stability of the supporting plate is enhanced, and the phenomenon that the supporting plate is displaced after being collided to influence the overall stability of the structure is avoided; on the other hand, when strutting temporarily, can protect and spacing the sediment that falls that appears among the shoring process, avoid it to cause the injury to the staff below.
2. According to the invention, through the design of the arched plate, the reinforcing rods and the supporting plate, the intensity of temporary support of the roadway can be effectively improved, and the labor operation intensity of underground workers is reduced; the method is simple and reasonable, easy to assemble, short in operation time, high in working efficiency and good in supporting effect; through gag lever post, bottom plate and spiral earth anchor, avoid it to receive deformation to produce the displacement.
3. According to the invention, the device can be tightly attached to the top surface through the buffer spring and the protection plate, so that the gap between the top surface and the protection plate is reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a temporary support for a coal mine tunnel;
fig. 2 is a schematic structural view of a protection net;
FIG. 3 is a schematic structural view of the guard plate;
FIG. 4 is a schematic top view of the structure of FIG. 3;
in the drawings, the components represented by the respective reference numerals are listed below:
1-supporting plate, 2-buffer spring, 3-positioning anchor, 4-protective plate, 5-protective groove, 6-auxiliary anchor, 7-arched plate, 8-reinforcing rod, 9-hydraulic rod, 10-limiting rod, 11-bottom plate, 12-spiral ground anchor, 13-anti-tilting ring, 14-connecting rod and 15-protective net.
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.
Referring to fig. 1 to 4, the present invention is a temporary support for a coal mine tunnel, including a support plate 1:
a buffer spring 2 and a positioning anchor 3 are respectively and fixedly connected to one surface of the supporting plate 1; one surface of the supporting plate 1 is fixedly connected with a protective plate 4 through a buffer spring 2; one end of the positioning anchor 3 penetrates through the protection plate 4 and extends to the outside of the protection plate 4; a protective groove 5 is formed on one surface of the protective plate 4; an auxiliary anchor 6 is fixedly connected to one surface of the protection plate 4;
An arched plate 7 is fixedly connected between the inner surfaces of the support plates 1; a reinforcing rod 8 is fixedly connected to one surface of the arched plate 7; one end of the reinforcing rod 8 far away from the arched plate 7 is fixedly connected with the support plate 1; one end of the support plate 1 far away from the protection plate 4 is fixedly connected with a hydraulic rod 9; the peripheral side surface of the hydraulic rod 9 is fixedly connected with a limiting rod 10.
As shown in fig. 2-3, the auxiliary anchors 6 and the positioning anchors 3 are distributed at intervals; the auxiliary anchors 6 and the positioning anchors 3 are distributed on the surface of the protection plate 4 in a linear array; the limiting rod 10 is a bidirectional adjusting screw rod.
One end of the hydraulic rod 9, which is far away from the support plate 1, is fixedly connected with a bottom plate 11; a spiral ground anchor 12 is fixedly connected to one surface of the bottom plate 11; the side surface of the hydraulic rod 9 is sleeved with an anti-tilting ring 13.
Wherein, the peripheral side surface of the anti-roll ring 13 is hinged with a connecting rod 14; the other end of the connecting rod 14 is fixedly connected with the bottom plate 11.
Wherein, the protective groove 5 is square; the protection plate 4 is concave; the arched plate 7 is convex; a protective screen 15 is clamped on one surface of the protective plate 4.
Wherein, the supporting plate 1 is in an inverted U shape; twelve buffer springs 2 are distributed in a linear array on one surface of the support plate 1.
one specific application of this embodiment is: when in use, the hydraulic rod 9 is lowered to a height convenient for operation in advance, the support plate 1 is fixed on the hydraulic rod 9, and the hydraulic rod 9 is fixed on the bottom surface through the bottom plate 11, the spiral ground anchor 12, the anti-tilting ring 13 and the connecting rod 14; through controlling means's height that improves hydraulic stem 9 then, hydraulic stem 9 drives backup pad 1 to the top surface, when reacing the top surface, location anchor 3 takes precedence and the top surface contact, supplementary anchor 6 and top surface contact then, elastic action through buffer spring, make guard plate 4 when meetting uneven top surface, also can laminate the top surface as far as possible, reduce the space with the top surface, bow-shaped board 7 and stiffener 8 play the enhancement supporting role when guard plate 4 and top surface contact, protection network 15 and guard way 5 protect and spacing the residue etc. that the top surface dropped, after reacing the top surface, be fixed in gag lever post 10 on the hydraulic stem 9 side, prevent its displacement.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a temporary support for coal mine tunnel, includes backup pad (1), its characterized in that:
One surface of the supporting plate (1) is fixedly connected with a buffer spring (2) and a positioning anchor (3) respectively; one surface of the supporting plate (1) is fixedly connected with a protective plate (4) through a buffer spring (2); one end of the positioning anchor (3) penetrates through the protection plate (4) and extends to the outside of the protection plate (4); a protective groove (5) is formed in one surface of the protective plate (4); an auxiliary anchor (6) is fixedly connected to one surface of the protection plate (4);
An arched plate (7) is fixedly connected between the inner surfaces of the support plates (1); a reinforcing rod (8) is fixedly connected to one surface of the arched plate (7); one end of the reinforcing rod (8) far away from the arched plate (7) is fixedly connected with the support plate (1); one end of the support plate (1) far away from the protection plate (4) is fixedly connected with a hydraulic rod (9); and the peripheral side surface of the hydraulic rod (9) is fixedly connected with a limiting rod (10).
2. A temporary support for a coal mine tunnel according to claim 1, characterised in that the support plate (1) is of inverted U-shape; the buffer springs (2) are distributed on one surface of the support plate (1) in a linear array.
3. A temporary support for a coal mine roadway as claimed in claim 1, wherein the auxiliary anchors (6) and the positioning anchors (3) are spaced apart; the auxiliary anchors (6) and the positioning anchors (3) are distributed on one surface of the protection plate (4) in a linear array manner; the limiting rod (10) is a bidirectional adjusting screw rod.
4. a temporary support for a coal mine tunnel as claimed in claim 1, wherein a bottom plate (11) is fixedly connected to one end of the hydraulic rod (9) away from the support plate (1); a spiral ground anchor (12) is fixedly connected to one surface of the bottom plate (11); an anti-tilting ring (13) is sleeved on the peripheral side surface of the hydraulic rod (9).
5. A temporary support for a coal mine tunnel according to claim 4, characterized in that the side of the anti-roll ring (13) is hinged with a connecting rod (14); the other end of the connecting rod (14) is fixedly connected with the bottom plate (11).
6. A temporary support for a coal mine tunnel as claimed in claim 1, wherein the protective slot (5) is square; the protection plate (4) is concave; the arched plate (7) is convex; and a protective net (15) is clamped on one surface of the protective plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910974113.4A CN110566249A (en) | 2019-10-14 | 2019-10-14 | Temporary support for coal mine tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910974113.4A CN110566249A (en) | 2019-10-14 | 2019-10-14 | Temporary support for coal mine tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110566249A true CN110566249A (en) | 2019-12-13 |
Family
ID=68785072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910974113.4A Pending CN110566249A (en) | 2019-10-14 | 2019-10-14 | Temporary support for coal mine tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566249A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911205A (en) * | 2020-09-18 | 2020-11-10 | 辽宁工程技术大学 | Coal mining roadway supporting device with damping and buffering effects |
| CN112196595A (en) * | 2020-11-14 | 2021-01-08 | 王世甲 | Temporary support frame for coal mining |
| CN112627827A (en) * | 2020-12-16 | 2021-04-09 | 中国电建集团华东勘测设计研究院有限公司 | Control device for excavating and deslagging of vertical shaft at upper part of existing tunnel |
| CN112922647A (en) * | 2021-02-03 | 2021-06-08 | 马敏 | Mining pressure-yielding anti-impact supporting device |
| CN113107555A (en) * | 2021-04-27 | 2021-07-13 | 山东安益矿用设备股份有限公司 | Temporary support device for coal mine tunneling |
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| CN208950619U (en) * | 2018-11-12 | 2019-06-07 | 吴振芳 | A kind of support frame for digging laneway of mining |
| CN208950620U (en) * | 2018-11-12 | 2019-06-07 | 李张晋 | A kind of coal mining temporary support for drivage face hydraulic support |
| CN209067249U (en) * | 2018-12-03 | 2019-07-05 | 徐州中安科技股份有限公司 | A kind of mine individual hydraulic prop anti-tipping apparatus |
| CN209324387U (en) * | 2019-01-18 | 2019-08-30 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of underground coal mine is to oblique exploitation suspension device |
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2019
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911205A (en) * | 2020-09-18 | 2020-11-10 | 辽宁工程技术大学 | Coal mining roadway supporting device with damping and buffering effects |
| CN112196595A (en) * | 2020-11-14 | 2021-01-08 | 王世甲 | Temporary support frame for coal mining |
| CN112627827A (en) * | 2020-12-16 | 2021-04-09 | 中国电建集团华东勘测设计研究院有限公司 | Control device for excavating and deslagging of vertical shaft at upper part of existing tunnel |
| CN112627827B (en) * | 2020-12-16 | 2023-10-13 | 中国电建集团华东勘测设计研究院有限公司 | Control device for excavating and deslagging of vertical shaft at upper part of existing tunnel |
| CN112922647A (en) * | 2021-02-03 | 2021-06-08 | 马敏 | Mining pressure-yielding anti-impact supporting device |
| CN113107555A (en) * | 2021-04-27 | 2021-07-13 | 山东安益矿用设备股份有限公司 | Temporary support device for coal mine tunneling |
| CN113107555B (en) * | 2021-04-27 | 2023-01-31 | 山东安益矿用设备股份有限公司 | Temporary support device for coal mine tunneling |
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Application publication date: 20191213 |