WO2014090109A1 - Large mining height filling coal mining hydraulic support with coaxially hinged front and rear top beams - Google Patents

Large mining height filling coal mining hydraulic support with coaxially hinged front and rear top beams Download PDF

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Publication number
WO2014090109A1
WO2014090109A1 PCT/CN2013/088636 CN2013088636W WO2014090109A1 WO 2014090109 A1 WO2014090109 A1 WO 2014090109A1 CN 2013088636 W CN2013088636 W CN 2013088636W WO 2014090109 A1 WO2014090109 A1 WO 2014090109A1
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Prior art keywords
top beam
filling
rear top
mining
hinged
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PCT/CN2013/088636
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French (fr)
Chinese (zh)
Inventor
张吉雄
缪协兴
安百富
张强
巨峰
周楠
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中国矿业大学
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Application filed by 中国矿业大学 filed Critical 中国矿业大学
Publication of WO2014090109A1 publication Critical patent/WO2014090109A1/en

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials

Definitions

  • the invention relates to a hydraulic support for filling coal mining, in particular to a coaxial joint filling hydraulic coal support for a front and rear top beam of a large mining height suitable for a working face of 4.5 ⁇ 6.0m large mining height.
  • the object of the present invention is to overcome the deficiencies in the prior art, and to provide a hydraulic joint for coaxially filling and filling coal mining with a front and rear top beam of a large mining height which is compact and reasonable in structure and capable of filling and filling materials in a goaf.
  • the high-rise front and rear top beam coaxial hinged filling coal mining hydraulic support of the present invention comprises a base, a front roof beam, a front beam connected to the front part of the front roof beam, and a front roof beam a front pillar fixed to the base, a rear roof beam at the rear of the front roof beam, a rear pillar fixed to the base under the rear roof beam, a front pillar and a rear pillar
  • There is a four-bar linkage mechanism a solid filling and mining conveyor is suspended on the rear top beam, and a pull-up jack is arranged on the rear top beam, and a tamping machine with a height of 600-1600 mm is installed at the rear of the base.
  • the platform has a tamping machine with a swinging amplitude of 0 ⁇ 60° on the tamping machine mounting platform, and a rotating jack connected to the tamping machine is arranged on the rear top beam, and the two ends of the rotating jack are respectively hinged at the rear top
  • the front part of the beam and the upper part of the compactor is arranged on the rear top beam, and the two ends of the rotating jack are respectively hinged at the rear top.
  • the front top beam, the four-bar linkage mechanism and the rear top beam are all hinged together by a three-axis coaxial hinge shaft.
  • Advantageous Effects The invention can not only maintain the working space for normal coal mining in the large mining height working face, but also realize the dense filling of the goaf area. Since the rear top beam is arranged at the rear of the front top beam, the solid filling mining conveyor is suspended on the rear top beam, and the solid filling mining conveyor is provided with a tamping mechanism underneath, and is supported by the rear pillar to carry the roof pressure. , control the amount of roof subsidence before filling, realize the coal mining and compact filling of the goaf.
  • the compacting machine can realize the compaction of the filling material; the lower compacting machine installation platform can effectively improve the installation height and the compacting height of the compacting machine. It realizes the timed transportation, fixed-point quantitative unloading and compaction of filling materials in the goaf, which can effectively control the movement of the rock stratum and has good adaptability to the large mining height working face. It is suitable for large mining height solid filling of 4.5 ⁇ 6.0m. Coal mining face.
  • the utility model has the advantages of compact and reasonable structure, high strength, good use effect and wide practicality.
  • Figure 1 is a front view of the structure of the present invention
  • Figure 2 is a top plan view of the present invention.
  • the front and rear coaxial girder filling coal mining hydraulic support of the front and rear of the large mining height is mainly composed of a front probe beam 1, a front roof beam 2, a rear roof beam 4, a pull jack 5, and a solid.
  • the filling and mining conveyor 6, the tamping machine 7, the rotating jack 8, the front and rear uprights, and the four-bar linkage mechanism 11 are comprised.
  • the front probe beam 1 is disposed at the front portion of the front roof beam 2, the rear portion of the front roof beam 2 is coupled to the rear roof beam 4, and the rear roof beam 4 is suspended by the anchor chain to suspend the solid filling and mining conveyor 6.
  • the solid filling and transporting conveyor 6 transports the solid filling material to the goaf and unloads, and the rear top beam 4 is provided with a slide 14 for the solid filling and mining conveyor 6 to move back and forth.
  • the length of the chute 14 is 600-900 mm.
  • Two front pillars 12 fixed to the base 13 are symmetrically disposed on the front top beam 2
  • two rear pillars 10 fixed to the base 13 are symmetrically disposed on the rear roof beam 4
  • the four-bar linkage mechanism 11 is disposed.
  • In the middle of the base 13 is located between the front top beam 2 and the rear top beam 4, and the front top beam 2, the rear top beam 4 and the four-bar linkage 11 are coaxially hinged at the three-mechanical coaxial hinge shaft 3.
  • a tamping machine mounting platform 9 is arranged at the rear of the pedestal 13, and the tamping machine mounting platform 9 has a height of 600 ⁇ 1600 mm, and a tamping machine 7 is hinged on the tamping machine mounting platform 9, and the tamping machine 7 has an up and down swing amplitude of 0 ⁇ 60°. .
  • the rear top beam 4 is provided with a rotary jack connected to the tamping machine 7, and the two ends of the rotary jack 8 are respectively hinged at the front of the rear top beam 4 and the upper part of the tamping machine 7.
  • the tamping machine 7 is composed of a cylinder 15, a telescopic rod, and a tamping plate 16 mounted on the telescopic top.
  • the front probe beam 1 and the front roof beam 2 provide space for covering coal mining operations under the support of the front pillar 12, and the front probe beam 1 is extended by a telescopic cylinder disposed under the front roof beam 2.
  • the rear roof beam 4 supports the roof above the rear of the bracket under the support of the rear pillar 10, providing working space for the filling operation, controlling the amount of roof sinking before the filling operation; solid filling mining conveying
  • the four-bar linkage mechanism 11 maintains the balance of the entire bracket; the compaction machine mounting platform 9 increases the installation height and the tamping height of the tamping machine 7, and avoids the length of the tamping machine 7 being too long.
  • the telescopic action of the telescopic cylinder 15 is used to drive the tamping plate 16 to complete the telescopic movement, thereby realizing the compaction of the filling material.
  • the rotating jack 8 is rotated.
  • the telescopic action drives the tamping machine 7
  • the hinge point of the winding machine 7 and the compacting machine mounting platform 9 is swung to a new angle to achieve compaction of the filling materials at different heights.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

A large mining height filling coal mining hydraulic support with coaxially hinged front and rear top beams comprises a pedestal (13), a front top beam (2), and a forepoling bar (1) connected to the front portion of the front top beam (2). A front pillar (12) secured on the pedestal (13) is provided below the front top beam (2), the rear portion of the front top beam (2) is provided with a rear top beam (4), a rear pillar (10) secured on the pedestal (13) is provided below the rear top beam (4), a four bar mechanism (11) is provided between the front pillar (12) and the rear pillar (10), a solid-filling mining conveyor (6) is suspended on the rear top beam (4), a pulling jack (5) is provided on the rear top beam (4), a tamper mounting platform (9) with the height being 600 mm-1600 mm is provided at the rear portion of the pedestal (13), a tamper (7) with the amplitude of swing being 0°-60° is hinged to the tamper mounting platform (9), a rotation jack (8) connected to the tamper (7) is provided on the rear top beam (4), and the two ends of the rotation jack (8) are respectively hinged to the front portion of the rear top beam (4) and the upper portion of the tamper (7). The support not only can provide a milling space for a large mining height working face with the mining height being 4.5m-6.0m, but also can densely filling the gob.

Description

大采高前后部顶梁同轴铰接充填采煤液压支架  Large mining height front and rear beam coaxial hinged filling coal mining hydraulic support
技术领域 Technical field
本发明涉及一种充填采煤液压支架， 尤其是一种适用于 4.5~6.0m大采高工作面的大 采高前后部顶梁同轴铰接充填采煤液压支架。  The invention relates to a hydraulic support for filling coal mining, in particular to a coaxial joint filling hydraulic coal support for a front and rear top beam of a large mining height suitable for a working face of 4.5~6.0m large mining height.
背景技术 Background technique
随着近年来综合机械化固体充填采煤技术在全国各地的快速发展与推广，固体充填采 煤液压支架对采高 4.5~6.0m的大采高工作面不适应性的瓶颈性问题日益凸显， 限制了综 合机械化固体充填采煤技术进一步的推广应用。 因此研制一种既能适用于确保大采高充 填采煤工作面空间的安全， 又能密实充填采空区有效控制岩层移动的充填采煤液压支架 迫在眉睫。  With the rapid development and promotion of comprehensive mechanized solid-filled coal mining technology in various parts of the country in recent years, the bottleneck problem of the infillability of solid-filled coal mining hydraulic supports for mining heights of 4.5-6.0 m is becoming more and more conspicuous. The further promotion and application of comprehensive mechanized solid filling coal mining technology. Therefore, it is urgent to develop a hydraulic support for filling coal that can be used to ensure the safety of the large mining height of the coal mining face and to densely fill the goaf to effectively control the movement of the rock.
发明内容 Summary of the invention
技术问题： 本发明的目的是克服目前已有技术中的不足， 提供一种结构紧凑合理、能 实现采空区充填物料密实充填的大采高前后部顶梁同轴铰接充填采煤液压支架。  Technical Problem: The object of the present invention is to overcome the deficiencies in the prior art, and to provide a hydraulic joint for coaxially filling and filling coal mining with a front and rear top beam of a large mining height which is compact and reasonable in structure and capable of filling and filling materials in a goaf.
技术方案： 本发明的大采高前后部顶梁同轴铰接充填采煤液压支架， 包括基座、前部 顶梁、 连接在前部顶梁前部的前部探梁， 前部顶梁下设有固定于基座上的前部立柱， 前 部顶梁的后部设有后部顶梁， 后部顶梁下设有固定于基座上的后部立柱， 前部立柱和后 部立柱之间设有四连杆机构， 后部顶梁上吊挂固体充填开采输送机， 后部顶梁上设有拉 移千斤顶， 所述的基座后部设有高度为 600~1600mm的夯实机安装平台， 在夯实机安装 平台上铰有上下摆动幅度为 0~60° 的夯实机， 所述的后部顶梁上设有与夯实机相连的旋 转千斤顶， 旋转千斤顶两端分别铰接在后部顶梁的前部与夯实机的上部。  Technical Solution: The high-rise front and rear top beam coaxial hinged filling coal mining hydraulic support of the present invention comprises a base, a front roof beam, a front beam connected to the front part of the front roof beam, and a front roof beam a front pillar fixed to the base, a rear roof beam at the rear of the front roof beam, a rear pillar fixed to the base under the rear roof beam, a front pillar and a rear pillar There is a four-bar linkage mechanism, a solid filling and mining conveyor is suspended on the rear top beam, and a pull-up jack is arranged on the rear top beam, and a tamping machine with a height of 600-1600 mm is installed at the rear of the base. The platform has a tamping machine with a swinging amplitude of 0~60° on the tamping machine mounting platform, and a rotating jack connected to the tamping machine is arranged on the rear top beam, and the two ends of the rotating jack are respectively hinged at the rear top The front part of the beam and the upper part of the compactor.
所述的前部顶梁、 四连杆机构、 后部顶梁均由三机构同轴铰接轴铰接在一起。 有益效果： 本发明不仅可以维护大采高工作面正常采煤的作业空间， 还可以实现对 采空区的密实充填。 由于在前部顶梁后部设有后部顶梁， 后部顶梁上吊挂了固体充填开 采输送机， 固体充填开采输送机的下方设有夯实机构， 并通过后部立柱支撑， 承载顶板 压力， 控制充填前的顶板下沉量， 实现了采煤的同时对采空区实施密实充填。 在充填过 程中， 夯实机能够实现充填物料压实； 下部的夯实机安装平台可有效提高夯实机的安装 高度及夯实高度。 实现了充填物料在采空区内的定时运输、 定点定量卸载及压实， 可有 效控制岩层移动， 对大采高工作面的适应性好， 适用于 4.5~6.0m的大采高固体密实充填 采煤工作面。 其结构紧凑合理、 强度高、 使用效果好， 具有广泛的实用性。 附图说明 The front top beam, the four-bar linkage mechanism and the rear top beam are all hinged together by a three-axis coaxial hinge shaft. Advantageous Effects: The invention can not only maintain the working space for normal coal mining in the large mining height working face, but also realize the dense filling of the goaf area. Since the rear top beam is arranged at the rear of the front top beam, the solid filling mining conveyor is suspended on the rear top beam, and the solid filling mining conveyor is provided with a tamping mechanism underneath, and is supported by the rear pillar to carry the roof pressure. , control the amount of roof subsidence before filling, realize the coal mining and compact filling of the goaf. In the filling process, the compacting machine can realize the compaction of the filling material; the lower compacting machine installation platform can effectively improve the installation height and the compacting height of the compacting machine. It realizes the timed transportation, fixed-point quantitative unloading and compaction of filling materials in the goaf, which can effectively control the movement of the rock stratum and has good adaptability to the large mining height working face. It is suitable for large mining height solid filling of 4.5~6.0m. Coal mining face. The utility model has the advantages of compact and reasonable structure, high strength, good use effect and wide practicality. DRAWINGS
图 1是本发明的主视结构图；  Figure 1 is a front view of the structure of the present invention;
图 2 是本发明的俯视结构图。  Figure 2 is a top plan view of the present invention.
图中： 1-前部探梁， 2-前部顶梁， 3-三机构同轴铰接轴， 4-后部顶梁， 5-拉移千斤顶， 6-固体充填开采输送机， 7-夯实机， 8-旋转千斤顶， 9-夯实机安装平台， 10-后部立柱， 11- 四连杆机构， 12-前部立柱， 13-基座， 14-滑道， 15-油缸， 16-夯实板。  In the figure: 1- front probe beam, 2-front top beam, 3-three-axis coaxial hinged shaft, 4-rear top beam, 5-pull jack, 6-solid filling mining conveyor, 7-tamping Machine, 8-rotating jack, 9-ply machine mounting platform, 10-rear column, 11-four-bar linkage, 12-front column, 13-base, 14-slide, 15-cylinder, 16-sturdy board.
具体实施方式 detailed description
下面结合附图对本发明的一个实施例作进一步的描述：  An embodiment of the present invention will be further described below with reference to the accompanying drawings:
图 1所示，本发明的大采高前后部顶梁同轴铰接充填采煤液压支架，主要由前部探梁 1、 前部顶梁 2、 后部顶梁 4、 拉移千斤顶 5、 固体充填开采输送机 6、 夯实机 7、 旋转千 斤顶 8、 前后立柱、 四连杆机构 11构成。 前部探梁 1设在前部顶梁 2的前部， 前部顶梁 2的后部连接后部顶梁 4， 后部顶梁 4上通过锚链吊挂固体充填开采输送机 6。 通过固体 充填开采输送机 6将固体充填物运输至采空区并卸载， 后部顶梁 4上设有可供固体充填 开采输送机 6前后移动的滑道 14， 滑道 14长度为 600~900mm。 前部顶梁 2下对称设置 固定于基座 13上的两根前部立柱 12， 后部顶梁 4下对称设置固定于基座 13上的两根后 部立柱 10， 四连杆机构 11设置在基座 13中部位于前部顶梁 2和后部顶梁 4之间， 前部 顶梁 2、后部顶梁 4和四连杆机构 11在三机构同轴铰接轴 3处同轴铰接。基座 13后部设 有夯实机安装平台 9， 夯实机安装平台 9的高度为 600~1600mm， 在夯实机安装平台 9上 铰有夯实机 7， 夯实机 7的上下摆动幅度为 0~60° 。 所述的后部顶梁 4上设有与夯实机 7相连的旋转千斤顶 8，旋转千斤顶 8两端分别铰接在后部顶梁 4的前部与夯实机 7的上 部。 所述夯实机 7由油缸 15、 伸縮杆和安设在伸縮顶部的夯实板 16构成。  As shown in FIG. 1 , the front and rear coaxial girder filling coal mining hydraulic support of the front and rear of the large mining height is mainly composed of a front probe beam 1, a front roof beam 2, a rear roof beam 4, a pull jack 5, and a solid. The filling and mining conveyor 6, the tamping machine 7, the rotating jack 8, the front and rear uprights, and the four-bar linkage mechanism 11 are comprised. The front probe beam 1 is disposed at the front portion of the front roof beam 2, the rear portion of the front roof beam 2 is coupled to the rear roof beam 4, and the rear roof beam 4 is suspended by the anchor chain to suspend the solid filling and mining conveyor 6. The solid filling and transporting conveyor 6 transports the solid filling material to the goaf and unloads, and the rear top beam 4 is provided with a slide 14 for the solid filling and mining conveyor 6 to move back and forth. The length of the chute 14 is 600-900 mm. . Two front pillars 12 fixed to the base 13 are symmetrically disposed on the front top beam 2, and two rear pillars 10 fixed to the base 13 are symmetrically disposed on the rear roof beam 4, and the four-bar linkage mechanism 11 is disposed. In the middle of the base 13 is located between the front top beam 2 and the rear top beam 4, and the front top beam 2, the rear top beam 4 and the four-bar linkage 11 are coaxially hinged at the three-mechanical coaxial hinge shaft 3. A tamping machine mounting platform 9 is arranged at the rear of the pedestal 13, and the tamping machine mounting platform 9 has a height of 600~1600 mm, and a tamping machine 7 is hinged on the tamping machine mounting platform 9, and the tamping machine 7 has an up and down swing amplitude of 0~60°. . The rear top beam 4 is provided with a rotary jack connected to the tamping machine 7, and the two ends of the rotary jack 8 are respectively hinged at the front of the rear top beam 4 and the upper part of the tamping machine 7. The tamping machine 7 is composed of a cylinder 15, a telescopic rod, and a tamping plate 16 mounted on the telescopic top.
作业时， 前部探梁 1、 前部顶梁 2在前部立柱 12的支撑作用下提供掩护采煤作业的 空间， 前部探梁 1通过设在前部顶梁 2下的伸縮油缸完成伸出及縮回动作， 后部顶梁 4 在后部立柱 10的支撑作用下支护支架后部上方的顶板， 为充填作业提供作业空间， 控制 充填作业前的顶板下沉量； 固体充填开采输送机 6溜槽中板上设有卸料孔， 溜槽卸料口 下方设置插板， 并安设推拉千斤顶推拉插板控制卸料孔的开合， 实现固体充填物料的定 点定时卸落入采空区； 四连杆机构 11维持整个支架的平衡； 夯实机安装平台 9提高了夯 实机 7的安装高度及夯实高度， 避免夯实机 7的机身长度过长。 压实充填物料时， 利用 伸縮油缸 15的伸縮动作带动夯实板 16完成伸縮动作， 实现对充填物料的压实， 当夯实 机 7完成对某一高度的充填物料的压实后， 通过旋转千斤顶 8的伸縮动作带动夯实机 7 绕夯实机 7与夯实机安装平台 9的铰接点摆动到一个新的角度， 实现对不同高度处的充 填物料的夯实。 During operation, the front probe beam 1 and the front roof beam 2 provide space for covering coal mining operations under the support of the front pillar 12, and the front probe beam 1 is extended by a telescopic cylinder disposed under the front roof beam 2. Out and retracting action, the rear roof beam 4 supports the roof above the rear of the bracket under the support of the rear pillar 10, providing working space for the filling operation, controlling the amount of roof sinking before the filling operation; solid filling mining conveying There is a discharge hole on the middle plate of the machine 6 chute, a plug-in plate is arranged below the discharge port of the chute, and a push-pull jack push-pull insert plate is installed to control the opening and closing of the discharge hole, so that the fixed filling time of the solid filling material is periodically discharged into the gob area. The four-bar linkage mechanism 11 maintains the balance of the entire bracket; the compaction machine mounting platform 9 increases the installation height and the tamping height of the tamping machine 7, and avoids the length of the tamping machine 7 being too long. When compacting the filling material, the telescopic action of the telescopic cylinder 15 is used to drive the tamping plate 16 to complete the telescopic movement, thereby realizing the compaction of the filling material. When the compacting machine 7 completes the compaction of the filling material of a certain height, the rotating jack 8 is rotated. The telescopic action drives the tamping machine 7 The hinge point of the winding machine 7 and the compacting machine mounting platform 9 is swung to a new angle to achieve compaction of the filling materials at different heights.

Claims

权利要求书 Claim
1、 一种大采高前后部顶梁同轴铰接充填采煤液压支架， 包括基座 （13)、 前部顶梁1. A coal mining hydraulic support for coaxially hinged filling of the top and bottom of the large mining height, including the base (13) and the front roof beam
(2)、 连接在前部顶梁 （2) 前部的前部探梁 （1)， 前部顶梁 （2) 下设有固定于基座 (13) 上的前部立柱 （12)， 前部顶梁 （2) 的后部设有后部顶梁 （4)， 后部顶梁 （4) 下 设有固定于基座 （13) 上的后部立柱 （10)， 前部立柱 （12) 和后部立柱 （10) 之间设有 四连杆机构 （11)， 后部顶梁 （4) 上吊挂固体充填开采输送机 （6)， 后部顶梁 （4) 上设 有拉移千斤顶 （5)， 其特征在于： 所述的基座 （13) 后部设有高度为 600~1600mm 的夯 实机安装平台 （9)， 在夯实机安装平台 （9) 上铰有上下摆动幅度为 0~60° 的夯实机(2) a front probe (1) connected to the front of the front top beam (2), and a front pillar (12) fixed to the base (13) under the front top beam (2). The rear top beam (2) has a rear top beam (4) at the rear, and a rear pillar (10) fixed to the base (13) under the rear top beam (4), the front pillar ( 12) There is a four-bar linkage (11) between the rear pillar (10), a solid filling mining conveyor (6) on the rear roof beam (4), and a pull on the rear roof beam (4). The jack (5) is characterized in that: a tamping machine mounting platform (9) having a height of 600~1600 mm is arranged at the rear of the base (13), and the upper and lower swing ranges are hinged on the tamping machine mounting platform (9) 0~60° tamping machine
(7)， 所述的后部顶梁 （4) 上设有与夯实机 （7) 相连的旋转千斤顶 （8)， 旋转千斤顶(7), the rear top beam (4) is provided with a rotating jack (8) connected to the tamping machine (7), and the rotating jack
(8) 两端分别铰接在后部顶梁 （4) 的前部与夯实机 （7) 的上部。 (8) Both ends are hinged to the front of the rear top beam (4) and the upper part of the compactor (7).
2、 根据权利要求 1 所述的大采高前后部顶梁同轴铰接充填采煤液压支架， 其特征在 于： 所述的前部顶梁 （2)、 四连杆机构 （11)、 后部顶梁 （4) 均由三机构同轴铰接轴 2. The high-height front and rear top beam coaxial hinged filling coal mining hydraulic support according to claim 1, wherein: the front roof beam (2), the four-bar linkage mechanism (11), and the rear portion The top beam (4) is composed of three mechanisms coaxial hinged shaft
(3) 铰接在一起。 (3) Hinged together.
PCT/CN2013/088636 2012-12-10 2013-12-05 Large mining height filling coal mining hydraulic support with coaxially hinged front and rear top beams WO2014090109A1 (en)

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