WO2018086509A1 - 一种机械式恒阻单体支柱安装方法及支设方法 - Google Patents

一种机械式恒阻单体支柱安装方法及支设方法 Download PDF

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Publication number
WO2018086509A1
WO2018086509A1 PCT/CN2017/109693 CN2017109693W WO2018086509A1 WO 2018086509 A1 WO2018086509 A1 WO 2018086509A1 CN 2017109693 W CN2017109693 W CN 2017109693W WO 2018086509 A1 WO2018086509 A1 WO 2018086509A1
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Prior art keywords
cylinder
rod body
pillar
resistance single
mechanical
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PCT/CN2017/109693
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English (en)
French (fr)
Inventor
缪协兴
陈彦龙
张吉雄
张强
吴宇
邓雪杰
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中国矿业大学
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Publication of WO2018086509A1 publication Critical patent/WO2018086509A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58—Devices for setting props or chocks

Definitions

  • the invention relates to the technical field of application of mine roadway support in coal mines and metal mines, in particular to a mechanical constant resistance single-pillar pillar installation method and supporting method.
  • the object of the present invention is to provide a mechanical constant resistance single-pillar mounting method and supporting method for solving the above problems in the prior art, and realizing a simple, fast and efficient installation of the mechanical high-resistance single-pillar, saving manpower, Material resources.
  • the present invention provides the following technical solutions:
  • the invention provides a mechanical constant resistance single-pillar mounting method, comprising the following steps:
  • Step 1 laying the rod body and the cylinder body of the mechanical constant resistance unit pillar flat, and sleeve the rod body to the cylinder body according to the cut surface of the mine or the actual section height of the roadway, and adjust the rod body and the cylinder
  • the length of the sleeve of the body, the total length of the rod body after being sleeved with the cylinder body is smaller than the height of the actual cut section of the cut hole or the roadway in the mine;
  • Step 2 a cylinder cone surface is disposed in the upper end of the cylinder block, the cylinder cone surface is an inverted cone surface, and a steel ball sleeve is sleeved from the upper portion of the rod body between the rod body and the cylinder block, and Pushing the rod body into the cylinder body to press the rod body against the steel ball sleeve, and the steel ball sleeve is caught between the rod body and the cylinder cone surface of the cylinder body to form a self-locking Preventing the rod body from sliding downward to fix the height of the rod body after being sleeved with the cylinder body;
  • Step 3 inserting a limit cover from the upper part of the rod body, and fixing the limit cover to the socket of the rod body and the cylinder body, so that the limit cover covers the cylinder block;
  • Step 4 Install and lock the top tray to the upper end of the rod body
  • Step 5 Positioning the base at a fixed position of the base, vertically erecting the mechanical high-resistance single-pillar, completing the assembled components in step 4, and mounting the same on the base, the mechanical constant The block of the single pillar is installed.
  • the total length of the rod body and the cylinder body after the step 1 is smaller than the height of the actual cut surface of the mine or the actual section of the roadway by 10 to 30 cm.
  • the side wall of the limiting cover is provided with a limiting bolt, and the limiting cover is screwed on the outer wall of the cylinder by the limiting bolt.
  • the top tray is provided with a top tray bolt
  • the upper end of the rod body is provided with a bolt through hole corresponding to the top tray bolt, and the top tray bolt passes through the bolt through hole to lock the top tray It is close to the upper end of the rod.
  • the mechanical high-resistance single-pillar pillars are perpendicular to the cut-out of the mine or the roof of the roadway.
  • the invention also provides a mechanical constant resistance monomer pillar supporting method, comprising the following steps:
  • Step 1 installing the mechanical constant resistance unit pillar according to the mechanical constant resistance unit pillar mounting method according to any of the preceding claims;
  • Step 2 holding the mechanical high-resistance single-pole column installed in the first step, installing the column-lifting device, and pressurizing the cylinder of the column-lifting device by the pressing device, so that the cylinder of the column-lifting device drives the cylinder Lifting the column up, so that the column lifter moves the rod body upward relative to the cylinder until the top tray is connected with the cutting hole of the mine or the top plate of the roadway;
  • Step 3 Disassemble the column lifter, and the mechanical high-resistance single-pillar support is completed.
  • the two ends of the lifter are respectively mounted on the rod body and the cylinder block.
  • the cylinder of the column-lifter is stopped from being pressurized.
  • the stroke of the column elevator is 10 cm to 30 cm.
  • the invention discloses a mechanical constant resistance single-pillar pillar installation process and supporting method, and specifies a mechanical high-resistance single-pillar pillar installation process and supporting method.
  • the installation process and the supporting method are convenient to operate, realize the simple, fast and efficient installation of the mechanical high-resistance single-pillar, save manpower and material resources, and have wide practicality and reference significance in the use of the mechanical high-resistance single-pillar.
  • FIG. 1 is a schematic structural view of a mechanical high-resistance single-member pillar according to the present invention
  • FIG. 2 is a schematic flow chart of a mechanical constant resistance single-pillar mounting process and supporting method according to the present invention.
  • the object of the present invention is to provide a mechanical constant resistance single-pillar mounting method and supporting method for solving the above problems in the prior art, and realizing a simple, fast and efficient installation of the mechanical high-resistance single-pillar, saving manpower, Material resources.
  • This embodiment provides a mechanical constant resistance single-pillar mounting method, as shown in FIG. 1 and FIG. 2, taking a 8216 retreating working face of a mine as an example, the inclined length is 230 m, the thickness of the coal seam is 5.55 to 24.20 m, and the height of the roadway is 3.5 m.
  • the specific implementation steps are as follows:
  • Step 1 Firstly, the rod body 3 of the mechanical constant resistance unit pillar 1 and the cylinder block 5 are laid flat, the rod body 3 is sleeved on the cylinder block 5, and the rod body 5 is adjusted according to the actual section height of the cut hole in the mine and the roadway.
  • the length of the sleeve 3 of the cylinder body 3, the height of the mechanical constant resistance unit pillar 1 after adjusting the rod body 5 and the cylinder block 3 in this embodiment is 3.4 m;
  • Step 2 a cylinder cone 10 is disposed in the upper end of the cylinder 3, and the cylinder cone 10 is an inverted conical surface, and the steel bead sleeve 6 is inserted from the upper portion of the rod body 5 between the rod body 5 and the cylinder block 3, and the rod body 5 and the cylinder After the body 3 is sleeved, the height is 3.4 m, and the rod body 5 continues to advance into the cylinder block 3, so that the rod body 5 is pressed against the steel ball sleeve 6, and the steel ball sleeve 6 is stuck on the rod body 5 and the cylinder cone surface 10 at the upper part of the inner wall of the cylinder block 3.
  • the self-locking is formed to prevent the rod body 5 from sliding downward, and the height of the rod body 5 of the mechanical high-resistance unit pillar 1 is fixed to the cylinder body 3.
  • the rod body 5 fixed by the steel ball sleeve 6 is sleeved with the cylinder block 3.
  • the height of the mechanical constant resistance monomer pillar 1 is 3.35m;
  • Step 3 The limiting cover 6 is provided with a socket hole, and the socket hole is matched with the rod body 5, and the limiting cover 6 is sleeved from the upper portion of the rod body 5 to the socket portion of the rod body 5 and the cylinder block 3, and the limit cover 6 is
  • the side wall is provided with a limit bolt 8 , and the limit cover bolt 8 is tightened, and the limit cover 6 is fixedly connected to the socket of the rod body 5 and the cylinder block 3, so that the limit cover 6 covers the cylinder block 3, and the steel ball sleeve 6 is restricted from being displaced upward. ;
  • Step 4 The top tray 4 is provided with a top tray bolt 9 .
  • the upper end of the rod body 5 is provided with a bolt through hole corresponding to the top tray bolt 9 , and the top tray bolt 9 at the top tray 4 and the rod body 5 is locked, and the top tray 4 is installed.
  • Step 5 Place the base 2 at a position where the mechanical high-resistance single-pillar 1 needs to be installed or supported, and fix the base 2, and vertically stand up the mechanical high-resistance single-pillar 1 to complete the assembled components in step 4, and It is mounted on the base 2, and the mechanical high-resistance single-pillar 1 is installed.
  • the base in this embodiment is a recyclable base, which can be used repeatedly.
  • the embodiment provides a mechanical constant resistance single-pillar supporting method, as shown in FIG. 1 and FIG. 2, taking a 8216 retreating working surface of a mine as an example, the inclined length is 230 m, the thickness of the coal seam is 5.55 to 24.20 m, and the roadway height is 3.5. m, the specific implementation steps are as follows:
  • Step 1 Install the mechanical constant resistance unit pillar 1 according to the mechanical constant resistance unit pillar mounting method in the first embodiment, and place it at a position where the mechanical high constant resistance unit pillar 1 needs to be supported;
  • Step 2 Support the mechanical high-resistance single-pole column 1 installed in the first step, and install the column-lifting device.
  • the two ends of the column-lifting device are respectively mounted on the rod body 5 and the cylinder block 3, and the cylinder of the column-lifting device is pressed by the pressing device. Pressurizing, causing the cylinder of the column lifter to move the column lifter upward, so that the column lifter drives the rod body 5 to move upward relative to the cylinder block 3.
  • the oil pressure in the cylinder of the column upright reaches 15 MPa, the top tray 4 After the solid cutting of the mine and the roof of the roadway are connected, the cylinder of the ascending column is stopped.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

一种机械式恒阻单体支柱安装方法：(1)根据矿井内切眼或巷道实际断面高度，将杆体（5）套接于缸体（3）并调整套接长度；(2)将钢珠套（6）套入至杆体（5）与缸体（3）之间，使杆体（5）压紧钢珠套（6），形成自锁；(3)将限位盖固定连接于杆体（5）与缸体（3）套接处；(4)将顶托盘（4）安装并锁紧到杆体（5）上端；(5)竖直立起机械式高恒阻单体支柱在步骤(4)中完成组装的部件，并将其安装在底座上。安装简单、快速、高效，节省人力、物力。

Description

一种机械式恒阻单体支柱安装方法及支设方法 技术领域
本发明涉及煤矿及金属矿山开采巷道支护应用技术领域，特别是涉及一种机械式恒阻单体支柱安装方法及支设方法。
背景技术
我国煤矿井下现普遍采取双排木垛加单体柱的方法进行回采巷道的超前支护或加固，并随工作面开采，将木垛和单体支柱顺序前移。对于其中木垛支护而言，存在的突出问题可归纳为：初始安装效率低、支护材料浪费严重、工人劳动强度大以及采动期间巷道超前支护区域顶板稳定性差。因此，研发了一种机械式高恒阻单体支柱，更为安全经济、施工效率高、控顶效果好，实现了井下回采巷道超前支护区域大量木垛的有序替代。
然而机械式高恒阻单体支柱安装与支设过程中，由于装置的不规范使用，使现场安装与支设复杂，大大降低了生产效率。针对以上现场实际问题，如何实现机械式高恒阻单体支柱简单、快速、高效的安装，节省人力、物力是机械式高恒阻单体支柱安装与支设过程中的一项主要问题。
发明内容
本发明的目的是提供一种机械式恒阻单体支柱安装方法及支设方法，以解决上述现有技术存在的问题，实现机械式高恒阻单体支柱简单、快速、高效的安装，节省人力、物力。
为实现以上目的，本发明提供以下技术方案：
本发明提供一种机械式恒阻单体支柱安装方法，包括以下步骤：
步骤一：将机械式恒阻单体支柱的杆体和缸体平放，根据矿井内切眼或巷道实际断面高度，将所述杆体套接于所述缸体并调整所述杆体与所述缸体的套接长度，所述杆体与所述缸体套接后的总长度小于矿井内切眼或巷道实际断面的高度；
步骤二：所述缸体上端内设置有缸体锥面，所述缸体锥面为倒置锥面，将钢珠套自所述杆体上部套入至所述杆体与所述缸体之间，并将所述杆体继续向所述缸体内推进，使所述杆体压紧所述钢珠套，所述钢珠套卡在所述杆体与所述缸体内的缸体锥面之间，形成自锁，阻止所述杆体向下滑动，固定所述杆体与所述缸体套接后的高度；
步骤三：将限位盖从所述杆体上部套入，并将所述限位盖固定连接于所述杆体与所述缸体套接处，使所述限位盖盖住所述缸体；
步骤四：将顶托盘安装并锁紧到所述杆体上端；
步骤五：将底座安置在所述底座的固定位置，竖直立起所述机械式高恒阻单体支柱在步骤四中完成组装的部件，并将其安装在所述底座上，所述机械式恒阻单体支柱安装完毕。
优选的，步骤一中所述杆体与所述缸体套接后的总长度比矿井内切眼或巷道实际断面的高度小10～30cm。
优选的，所述限位盖的侧壁设有限位螺栓，所述限位盖通过所述限位螺栓拧紧在所述缸体外侧壁上。
优选的，所述顶托盘上设置有顶托盘螺栓，所述杆体上端设置有与所述顶托盘螺栓对应的螺栓通孔，所述顶托盘螺栓穿过所述螺栓通孔将所述顶托盘锁紧在所述杆体上端。
优选的，步骤五中所述机械式高恒阻单体支柱安装在所述底座上后，所述机械式高恒阻单体支柱垂直于矿井内切眼或巷道的顶板。
本发明还提供一种机械式恒阻单体支柱支设方法，包括以下步骤：
步骤一：按照如前任一项所述的机械式恒阻单体支柱安装方法安装所述机械式恒阻单体支柱；
步骤二：扶住步骤一中安装完毕的所述机械式高恒阻单体支柱，安装升柱器，通过加压装置对升柱器的油缸进行加压，使所述升柱器的油缸带动所述升柱器向上移动，从而使所述升柱器带动所述杆体相对于所述缸体向上移动，直至所述顶托盘与矿井内切眼或巷道的顶板接实；
步骤三：拆卸升柱器，机械式高恒阻单体支柱支设完毕。
优选的，所述升柱器两端分别安装在所述杆体和所述缸体上。
优选的，步骤二中所述升柱器的油缸内的油压达到15MPa时，停止对升柱器的油缸加压。
优选的，所述升柱器的行程为10cm～30cm。
本发明相对于现有技术取得了以下技术效果：
本发明公开的一种机械式恒阻单体支柱安装工艺与支设方法，规范了机械式高恒阻单体支柱安装工艺与支设方法。该安装工艺与支设方法操作方便，实现了机械式高恒阻单体支柱简单、快速、高效的安装，节省人力、物力，在机械式高恒阻单体支柱使用中具有广泛的实用性和借鉴意义。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明一种机械式高恒阻单体支柱的结构示意图；
图2为本发明一种机械式恒阻单体支柱安装工艺及支设方法流程示意图。
图中：1-机械式高恒阻单体支柱、2-底座、3-缸体、4-顶托盘、5-杆体、6-钢珠套、7-限位盖、8-限位盖螺栓、9-顶托盘螺栓、10-缸体锥面。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅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。
本发明的目的是提供一种机械式恒阻单体支柱安装方法及支设方法，以解决上述现有技术存在的问题，实现机械式高恒阻单体支柱简单、快速、高效的安装，节省人力、物力。
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本发明作进一步详细的说明。
实施例一
本实施例提供一种机械式恒阻单体支柱安装方法，如图1、2所示，以某矿8216撤退工作面为例，倾斜长度230m，煤层厚度为5.55～24.20m，巷道高度3.5米，具体实施步骤如下：
步骤一：首先将机械式恒阻单体支柱1的杆体3和缸体5平放，将杆体3套接于缸体5，并根据矿井内切眼、巷道的实际断面高度,调整杆体5与缸体3套接长度，本实施例调整杆体5与缸体3套接后的机械式恒阻单体支柱1的高度为3.4m；
步骤二：缸体3上端内设置有缸体锥面10，缸体锥面10为倒置圆锥面，将钢珠套6从杆体5上部套入至杆体5与缸体3之间，杆体5与缸体3套接后高度为3.4m，将杆体5继续向缸体3内推进，使杆体5压紧钢珠套6，钢珠套6卡在杆体5和缸体3内壁上部的缸体锥面10之间，形成自锁，阻止杆体5向下滑动，固定机械式高恒阻单体支柱1的杆体5与缸体3套接后高度，本实施例中钢珠套6固定的杆体5与缸体3套接后的机械式恒阻单体支柱1的高度为3.35m；
步骤三：限位盖6上设置有套接孔，套接孔与杆体5相匹配，将限位盖6从杆体5上部套入至杆体5与缸体3套接处，限位盖6的侧壁设有限位螺栓8，拧紧限位盖螺栓8，将限位盖6固定连接于杆体5与缸体3套接处，使限位盖6盖住缸体3，限制钢珠套6向上位移；
步骤四：顶托盘4上设置有顶托盘螺栓9，杆体5上端设置有与顶托盘螺栓9对应的螺栓通孔，锁紧顶托盘4和杆体5处的顶托盘螺栓9，将顶托盘4安装到杆体5上；
步骤五：将底座2安置在需要安装或支设机械式高恒阻单体支柱1的位置并将底座2固定，竖直立起机械式高恒阻单体支柱1在步骤四中完成组装的部件，并将其安装在底座2上，机械式高恒阻单体支柱1安装完毕，本实施例中的底座为可回收底座，可反复多次使用。
实施例二
本实施例提供一种机械式恒阻单体支柱支设方法，如图1、2所示，以某矿8216撤退工作面为例，倾斜长度230m，煤层厚度为5.55～24.20m，巷道高度3.5米，具体实施步骤如下：
步骤一：按照实施例一中的机械式恒阻单体支柱安装方法安装机械式恒阻单体支柱1，并将其放置在需要支设机械式高恒阻单体支柱1的位置；
步骤二：扶住步骤一中安装完毕的机械式高恒阻单体支柱1，安装升柱器，升柱器两端分别安装在杆体5和缸体3上，通过加压装置对升柱器的油缸进行加压，使升柱器的油缸带动升柱器向上移动，从而使升柱器带动杆体5相对于缸体3向上移动，当升柱器的油缸内的油压达到15MPa时，顶托盘4与矿井内切眼、巷道的顶板接实后，停止对升柱器的油缸加压。
本发明中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依 据本发明的思想，在具体实施方式及应用范围上均会有改变之处。综上所述，本说明书内容不应理解为对本发明的限制。

Claims (9)

  1. 一种机械式恒阻单体支柱安装方法，其特征在于：包括以下步骤：
    步骤一：将机械式恒阻单体支柱的杆体和缸体平放，根据矿井内切眼或巷道实际断面高度，将所述杆体套接于所述缸体并调整所述杆体与所述缸体的套接长度，所述杆体与所述缸体套接后的总长度小于矿井内切眼或巷道实际断面的高度；
    步骤二：所述缸体上端内设置有缸体锥面，所述缸体锥面为倒置锥面，将钢珠套自所述杆体上部套入至所述杆体与所述缸体之间，并将所述杆体继续向所述缸体内推进，使所述杆体压紧所述钢珠套，所述钢珠套卡在所述杆体与所述缸体内的缸体锥面之间，形成自锁，阻止所述杆体向下滑动，固定所述杆体与所述缸体套接后的高度；
    步骤三：将限位盖从所述杆体上部套入，并将所述限位盖固定连接于所述杆体与所述缸体套接处，使所述限位盖盖住所述缸体；
    步骤四：将顶托盘安装并锁紧到所述杆体上端；
    步骤五：将底座安置在所述底座的固定位置，竖直立起所述机械式高恒阻单体支柱在步骤四中完成组装的部件，并将其安装在所述底座上，所述机械式恒阻单体支柱安装完毕。
  2. 根据权利要求1所述的机械式恒阻单体支柱安装方法，其特征在于：步骤一中所述杆体与所述缸体套接后的总长度比矿井内切眼或巷道实际断面的高度小10～30cm。
  3. 根据权利要求1所述的机械式恒阻单体支柱安装方法，其特征在于：所述限位盖的侧壁设有限位螺栓，所述限位盖通过所述限位螺栓拧紧在所述缸体外侧壁上。
  4. 根据权利要求1所述的机械式恒阻单体支柱安装方法，其特征在于：所述顶托盘上设置有顶托盘螺栓，所述杆体上端设置有与所述顶托盘螺栓对应的螺栓通孔，所述顶托盘螺栓穿过所述螺栓通孔将所述顶托盘锁紧在所述杆体上端。
  5. 根据权利要求1所述的机械式恒阻单体支柱安装方法，其特征在于：步骤五中所述机械式高恒阻单体支柱安装在所述底座上后，所述机械式高恒阻单体支柱垂直于矿井内切眼或巷道的顶板。
  6. 一种机械式恒阻单体支柱支设方法，其特征在于：包括以下步骤：
    步骤一：按照权利要求1～5中任一项所述的机械式恒阻单体支柱安装方法安装所述机械式恒阻单体支柱；
    步骤二：扶住步骤一中安装完毕的所述机械式高恒阻单体支柱，安装升柱器，通过加压装置对升柱器的油缸进行加压，使所述升柱器的油缸带动所述升柱器向上移动，从而使所述升柱器带动所述杆体相对于所述缸体向上移动，直至所述顶托盘与矿井内切眼或巷道的顶板接实；
    步骤三：拆卸升柱器，机械式高恒阻单体支柱支设完毕。
  7. 根据权利要求6所述的机械式恒阻单体支柱支设方法，其特征在于：所述升柱器两端分别安装在所述杆体和所述缸体上。
  8. 根据权利要求6所述的机械式恒阻单体支柱支设方法，其特征在于：步骤二中所述升柱器的油缸内的油压达到15MPa时，停止对升柱器的油缸加压。
  9. 根据权利要求6所述的机械式恒阻单体支柱支设方法，其特征在于：所述升柱器的行程为10cm～30cm。
PCT/CN2017/109693 2016-11-03 2017-11-07 一种机械式恒阻单体支柱安装方法及支设方法 WO2018086509A1 (zh)

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