CN106246206A - Mine stalk semicircular arch tunnel erosion control support - Google Patents
Mine stalk semicircular arch tunnel erosion control support Download PDFInfo
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- CN106246206A CN106246206A CN201610890998.6A CN201610890998A CN106246206A CN 106246206 A CN106246206 A CN 106246206A CN 201610890998 A CN201610890998 A CN 201610890998A CN 106246206 A CN106246206 A CN 106246206A
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- 230000003628 erosive effect Effects 0.000 title 1
- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 19
- 230000000703 anti-shock Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000009991 scouring Methods 0.000 abstract description 4
- 230000001066 destructive effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 7
- 230000006378 damage Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/006—Lining anchored in the rock
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
本发明实施例公开了一种矿井直墙半圆拱巷道防冲支架，包括金属网、可缩性的梯形支架、顶拱和底座，所述顶拱与底座之间采用液压立柱相连；所述液压立柱保证了顶拱与底座之间的连接强度以及一定的变形吸能作用；所述金属网铺设于巷道壁表面，金属网可增强巷道壁表面的强度；所述梯形支架位于所述顶拱与底座之间；所述梯形支架具有较高的初撑力，受到一定的压力作用时可产生屈服缩动，使围岩作用于本申请中防冲支架上的压力下降；对于巷道壁的结构完整性无破坏，提高了防冲支架的抗冲击地压作用，保证了巷道内设备和人员的安全性。
The embodiment of the invention discloses a mine straight wall semi-circular arch roadway anti-scour support, which includes a metal mesh, a retractable trapezoidal support, a top arch and a base, and the top arch and the base are connected by a hydraulic column; The column ensures the connection strength between the top arch and the base and certain deformation and energy absorption; the metal mesh is laid on the roadway wall surface, and the metal mesh can enhance the strength of the roadway wall surface; the trapezoidal bracket is located between the top arch and the between the bases; the trapezoidal support has a high initial support force, and can yield and shrink when subjected to a certain pressure, so that the pressure of the surrounding rock acting on the anti-scouring support in this application decreases; for the structural integrity of the roadway wall It is non-destructive, improves the anti-shock ground pressure effect of the anti-scouring support, and ensures the safety of equipment and personnel in the roadway.
Description
技术领域technical field
本发明涉及井下巷道支护设备领域，具体涉及矿井直墙半圆拱巷道防冲支架。The invention relates to the field of underground roadway support equipment, in particular to the anti-scour support of mine straight wall semi-circular arch roadway.
背景技术Background technique
冲击地压又称岩爆，是指井巷或工作面周围岩体，由于弹性变形能的瞬时释放而产生突然剧烈破坏的动力现象，常伴有煤岩体抛出、巨响及气浪等现象；由于冲击地压具有很大的破坏性，且其在发生前一般没有宏观预兆，而是以突然、急剧、猛烈的形式将煤岩体抛出，从而不但能够造成支架损坏、片帮冒顶或巷道堵塞，而且还会导致施工人员被砸伤、摔伤或挤伤，严重时甚至会使施工人员因巷道堵塞而窒息死亡，因此，冲击地压在世界范围内煤矿矿井中都被视为最严重的自然灾害之一。Rockburst, also known as rockburst, refers to the dynamic phenomenon of sudden and violent destruction of the rock mass around the shaft or working face due to the instantaneous release of elastic deformation energy, often accompanied by throwing of coal and rock mass, loud noise and air waves, etc. phenomenon; because the rock burst is very destructive, and there is generally no macroscopic warning before it occurs, but the coal and rock mass is thrown out in a sudden, sharp and violent form, which can not only cause damage to the support, roof collapse of the roof Or the blockage of the roadway, and it will also cause the construction personnel to be injured by smashing, falling or crushing, and even cause the construction personnel to suffocate and die due to the blockage of the roadway. Therefore, rock burst is regarded as a One of the worst natural disasters.
相关技术中，采用锚杆、锚索支护结构，在巷道壁上形成部分外漏，造成支架顶梁对巷道顶板的支撑效果变差。In the related art, anchor rods and anchor cables are used to support the structure, and partial leakage is formed on the roadway wall, resulting in poor support effect of the support top beam on the roadway roof.
发明内容Contents of the invention
本发明的目的在于提供一种矿井直墙半圆拱巷道防冲支架，以解决上述技术问题。The object of the present invention is to provide a mine straight wall semi-circular arch roadway anti-scouring support to solve the above technical problems.
为了解决上述技术问题，本发明实施例采用的技术方案是，矿井直墙半圆拱巷道防冲支架，包括金属网、可缩性的梯形支架、顶拱、底座，所述顶拱与底座之间采用液压立柱相连；所述金属网铺设于巷道壁表面；所述梯形支架位于所述顶拱与底座之间。In order to solve the above-mentioned technical problems, the technical solution adopted in the embodiment of the present invention is that the mine straight wall semi-circular arch roadway anti-scour support includes a metal mesh, a retractable trapezoidal support, a top arch, and a base. The hydraulic column is used to connect; the metal mesh is laid on the roadway wall surface; the trapezoidal support is located between the top arch and the base.
作为优选，均匀喷涂混凝土层于所述金属网的表面；所述混凝土层的厚度为4cm～8cm。Preferably, the concrete layer is evenly sprayed on the surface of the metal mesh; the thickness of the concrete layer is 4cm-8cm.
作为优选，巷道长度方向上相邻所述底座之间采用液压伸缩臂相连。Preferably, hydraulic telescopic arms are used to connect adjacent bases in the length direction of the roadway.
作为优选，所述顶拱、底座与液压立柱的连接处分别设有弹性卡件。Preferably, elastic clips are respectively provided at the joints of the top arch, the base and the hydraulic column.
作为优选，所述梯形支架是U型钢结构。Preferably, the trapezoidal bracket is a U-shaped steel structure.
作为优选，所述顶拱的外表面与巷道净断面对应匹配；所述顶拱的内表面是波纹面结构。Preferably, the outer surface of the top arch corresponds to the clear section of the roadway; the inner surface of the top arch is a corrugated surface structure.
与相关技术相比，本发明实施例有益效果是，本发明实施例提供的一种矿井直墙半圆拱巷道防冲支架，包括金属网、可缩性的梯形支架、顶拱和底座，所述顶拱与底座之间采用液压立柱相连；所述金属网铺设于巷道壁表面；所述梯形支架位于所述顶拱与底座之间。所述液压立柱保证了顶拱与底座之间的连接强度以及一定的变形吸能作用；所述金属网可增强巷道壁表面的强度；所述梯形支架具有较高的初撑力，受到一定的压力作用时可产生屈服缩动，使围岩作用于本申请中防冲支架上的压力下降；对于巷道壁的结构完整性无破坏，提高了防冲支架的抗冲击地压作用，保证了巷道的安全性。Compared with the related technology, the beneficial effect of the embodiment of the present invention is that the embodiment of the present invention provides a mine straight wall semi-circular arch roadway anti-scouring support, which includes a metal mesh, a retractable trapezoidal support, a top arch and a base. The top arch and the base are connected by hydraulic columns; the metal mesh is laid on the roadway wall surface; the trapezoidal bracket is located between the top arch and the base. The hydraulic column ensures the connection strength between the top arch and the base and a certain deformation and energy absorption; the metal mesh can enhance the strength of the roadway wall surface; When the pressure acts, it can produce yield and contraction, so that the pressure of the surrounding rock acting on the anti-scour support in this application will drop; the structural integrity of the roadway wall will not be damaged, and the anti-shock ground pressure effect of the anti-scour support will be improved, ensuring the safety of the roadway security.
附图说明Description of drawings
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.
图1为本发明实施例结构示意图。Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
图2为本发明实施例结构侧视图。Fig. 2 is a side view of the structure of the embodiment of the present invention.
其中：金属网 1、梯形支架 2、顶拱 3、底座 4、液压立柱 5、混凝土层 6、液压伸缩臂 7、弹性卡件 8。Among them: metal mesh 1, trapezoidal support 2, top arch 3, base 4, hydraulic column 5, concrete layer 6, hydraulic telescopic arm 7, elastic clip 8.
具体实施方式detailed description
下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.
冲击地压又称岩爆，是指井巷或工作面周围岩体，由于弹性变形能的瞬时释放而产生突然剧烈破坏的动力现象，常伴有煤岩体抛出、巨响及气浪等现象；由于冲击地压具有很大的破坏性，且其在发生前一般没有宏观预兆，而是以突然、急剧、猛烈的形式将煤岩体抛出，从而不但能够造成支架损坏、片帮冒顶或巷道堵塞，而且还会导致施工人员被砸伤、摔伤或挤伤，严重时甚至会使施工人员因巷道堵塞而窒息死亡，因此，冲击地压在世界范围内煤矿矿井中都被视为最严重的自然灾害之一；目前，随着我国煤矿开采深度的不断增加，冲击地压灾害也呈现出越来越严重的趋势，这给煤矿安全生产和广大煤矿职工的生命安全造成了极大的威胁。Rockburst, also known as rockburst, refers to the dynamic phenomenon of sudden and violent destruction of the rock mass around the shaft or working face due to the instantaneous release of elastic deformation energy, often accompanied by throwing of coal and rock mass, loud noise and air waves, etc. phenomenon; because the rock burst is very destructive, and there is generally no macroscopic warning before it occurs, but the coal and rock mass is thrown out in a sudden, sharp and violent form, which can not only cause damage to the support, roof collapse of the roof Or the blockage of the roadway, and it will also cause the construction personnel to be injured by smashing, falling or crushing, and even cause the construction personnel to suffocate and die due to the blockage of the roadway. Therefore, rock burst is regarded as a One of the most serious natural disasters; at present, with the continuous increase of coal mine mining depth in my country, rock burst disasters are also showing a more and more serious trend, which has caused great harm to the safety of coal mine production and the life safety of the majority of coal mine workers threat.
下面通过具体的实施例并结合附图对本发明做进一步的详细描述。The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.
矿井直墙半圆拱巷道防冲支架，参照附图1和2，包括金属网1、可缩性的梯形支架2、顶拱3和底座4，所述顶拱3与底座4之间采用液压立柱5相连；所述金属网1铺设于巷道壁表面；所述梯形支架2位于所述顶拱3与底座4之间。所述液压立柱5保证了顶拱3与底座4之间的连接强度以及一定的变形吸能作用；所述金属网1可增强巷道壁表面的强度；所述梯形支架2具有较高的初撑力，支护强度大；当围岩作用于本申请中防冲支架上的压力达到一定值时，所述梯形支架2上便产生屈服缩动，缩动的结果使围岩作用于本申请中防冲支架上的压力下降，从而避免了围岩的压力大于所述防冲支架的承载力而导致支架的破坏；对于巷道壁的结构完整性无破坏，提高了防冲支架的抗冲击地压作用，保证了巷道内设备及施工人员的安全。The anti-scour support for the semi-circular arch roadway of the straight wall of the mine, referring to the accompanying drawings 1 and 2, includes a metal mesh 1, a retractable trapezoidal support 2, a top arch 3 and a base 4, and a hydraulic column is used between the top arch 3 and the base 4 5 connected; the metal mesh 1 is laid on the roadway wall surface; the trapezoidal support 2 is located between the top arch 3 and the base 4. The hydraulic column 5 ensures the connection strength between the top arch 3 and the base 4 and certain deformation and energy absorption; the metal mesh 1 can enhance the strength of the roadway wall surface; the trapezoidal support 2 has a higher initial support force, the supporting strength is high; when the pressure of the surrounding rock acting on the anti-shock support in this application reaches a certain value, the trapezoidal support 2 will produce yield shrinkage, and the result of the shrinkage will make the surrounding rock act on the anti-scourrence support in this application. The pressure on the anti-scour support drops, thereby avoiding the damage of the support caused by the pressure of the surrounding rock being greater than the bearing capacity of the anti-scour support; there is no damage to the structural integrity of the roadway wall, and the impact resistance of the anti-scour support is improved The function ensures the safety of equipment and construction personnel in the roadway.
进一步地，均匀喷涂混凝土层6于所述金属网1的表面；所述混凝土层6的厚度为4cm～8cm。有效将金属网1固定于巷道壁面上，增强巷道壁表面抗冲击强度。Further, the concrete layer 6 is evenly sprayed on the surface of the metal mesh 1; the thickness of the concrete layer 6 is 4cm-8cm. The metal mesh 1 is effectively fixed on the roadway wall surface, and the impact strength of the roadway wall surface is enhanced.
进一步地，巷道长度方向上相邻所述底座4之间采用液压伸缩臂7相连。液压伸缩臂7增强了本申请中防冲支架长度方向上伸缩形变能力，在受到冲击地压作用时保证了底座4之间的连接稳定性。Further, hydraulic telescopic arms 7 are used to connect adjacent bases 4 in the length direction of the roadway. The hydraulic telescopic arm 7 enhances the telescopic deformation capability of the anti-shock bracket in the length direction of the application, and ensures the connection stability between the bases 4 when subjected to impact rock pressure.
进一步地，所述顶拱3、底座4与所述液压立柱5的连接处分别设有弹性卡件8。在本发明申请中防冲支架受到冲击地压作用时，弹性卡件8有利于实现连接处的形变，实现所述防冲支架整体的收缩。Further, elastic clips 8 are respectively provided at the joints of the top arch 3 , the base 4 and the hydraulic column 5 . In the application of the present invention, when the anti-shock bracket is subjected to impact ground pressure, the elastic clip 8 is beneficial to realize the deformation of the joint and realize the shrinkage of the whole anti-shock bracket.
进一步地，所述梯形支架2是U型钢结构。Further, the trapezoidal bracket 2 is a U-shaped steel structure.
进一步地，所述顶拱3的外表面与巷道净断面对应匹配；所述顶拱3的内表面是波纹面结构。在面对冲击地压时，波纹面结构可实现本申请防冲支架的局部快速收缩，实现围岩的让位，进而保证了支架整体的让位吸能，确保了巷道的安全性。Further, the outer surface of the top arch 3 is correspondingly matched with the clear section of the roadway; the inner surface of the top arch 3 is a corrugated surface structure. In the face of rock burst, the corrugated surface structure can realize the local rapid shrinkage of the anti-scourrence support of the present application, realize the abdication of the surrounding rock, and then ensure the abdication of the overall energy absorption of the support, and ensure the safety of the roadway.
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明实施例技术方案的范围。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some or all of the technical features; these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
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| CN201610890998.6A CN106246206A (en) | 2016-10-12 | 2016-10-12 | Mine stalk semicircular arch tunnel erosion control support |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106869961A (en) * | 2017-03-31 | 2017-06-20 | 兖州煤业股份有限公司 | A kind of support system for being applied to the thin dirt band coal road in mining influence area |
| CN107100652A (en) * | 2017-05-19 | 2017-08-29 | 中国矿业大学(北京) | A kind of compliant impact resistant method for protecting support and device |
| CN107237643A (en) * | 2017-08-14 | 2017-10-10 | 成都理工大学 | A kind of novel hydraulic resistance increasing type tunnel is by pressure device |
| CN112065473A (en) * | 2020-08-03 | 2020-12-11 | 山东省煤田地质规划勘察研究院 | Device for preventing rock burst of coal mining working face |
| CN112065475A (en) * | 2020-08-04 | 2020-12-11 | 山东省煤田地质规划勘察研究院 | Tunnel rock burst energy-absorbing formula protector |
| CN112610253A (en) * | 2020-12-22 | 2021-04-06 | 辽宁工程技术大学 | Rock burst temporary sheltering device |
| CN113700506A (en) * | 2021-09-29 | 2021-11-26 | 辽宁工程技术大学 | Support system suitable for deep roadway and process method thereof |
| CN114753865A (en) * | 2022-04-21 | 2022-07-15 | 福州大学 | Self-adaptive supporting device for roadway caving area and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106869961A (en) * | 2017-03-31 | 2017-06-20 | 兖州煤业股份有限公司 | A kind of support system for being applied to the thin dirt band coal road in mining influence area |
| CN107100652A (en) * | 2017-05-19 | 2017-08-29 | 中国矿业大学(北京) | A kind of compliant impact resistant method for protecting support and device |
| CN107100652B (en) * | 2017-05-19 | 2023-11-17 | 中国矿业大学(北京) | A flexible impact-resistant support method and device |
| CN107237643A (en) * | 2017-08-14 | 2017-10-10 | 成都理工大学 | A kind of novel hydraulic resistance increasing type tunnel is by pressure device |
| CN107237643B (en) * | 2017-08-14 | 2023-03-21 | 成都理工大学 | Novel hydraulic resistance-increasing type tunnel pressure-yielding device |
| CN112065473A (en) * | 2020-08-03 | 2020-12-11 | 山东省煤田地质规划勘察研究院 | Device for preventing rock burst of coal mining working face |
| CN112065475A (en) * | 2020-08-04 | 2020-12-11 | 山东省煤田地质规划勘察研究院 | Tunnel rock burst energy-absorbing formula protector |
| CN112610253A (en) * | 2020-12-22 | 2021-04-06 | 辽宁工程技术大学 | Rock burst temporary sheltering device |
| CN113700506A (en) * | 2021-09-29 | 2021-11-26 | 辽宁工程技术大学 | Support system suitable for deep roadway and process method thereof |
| CN114753865A (en) * | 2022-04-21 | 2022-07-15 | 福州大学 | Self-adaptive supporting device for roadway caving area and construction method thereof |
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