CN202187785U - Suspended type temporary supporting device for laneway tunneling - Google Patents

Suspended type temporary supporting device for laneway tunneling Download PDF

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Publication number
CN202187785U
CN202187785U CN 201120262756 CN201120262756U CN202187785U CN 202187785 U CN202187785 U CN 202187785U CN 201120262756 CN201120262756 CN 201120262756 CN 201120262756 U CN201120262756 U CN 201120262756U CN 202187785 U CN202187785 U CN 202187785U
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cylinder
beam
support
platform
outrigger
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CN 201120262756
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Chinese (zh)
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成云海
杨德传
王贯东
陈加胜
高明中
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安徽理工大学
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Abstract

The utility model discloses a suspended type temporary supporting device for laneway tunneling, which comprises a joist steel suspension beam, a supporting platform, a lifting platform, a movable stand and a plurality of hydraulic cylinders. The device realizes rapid and continuous laneway tunneling through the components, and reduces the subsidence and deviation of a top plate, the accident rate of roof-fall accident at heading face area and side falling, and the labor intensity.

Description

悬吊式巷道掘进临时支护装置 Suspended temporary roadway excavation support device

技术领域 FIELD

[0001] 本实用新型涉及煤矿巷道掘进临时支护装置。 [0001] The present invention relates to Coal Tunneling temporary support means. 背景技术 Background technique

[0002] 目前国内外巷道掘进主要有两种临时支护形式,S卩“戴帽点柱”临时支护和架棚临时支护。 [0002] roadway excavation at home and abroad, there are two main forms of temporary support, S Jie "hats dot column" temporary support and temporary support frame shed. 这两种临时支护形式支护速度慢、支护面积小、操作笨重、空顶时间长、空顶面积大,顶板易发生沉降和冒落,工人劳动强度大,安全性能差,经常发生冒顶伤人事故。 Both the temporary support in the form of support is slow, a small supporting area, cumbersome operation, empty top a long time, a large empty roof area, roof prone to settling and caving, high labor intensity, poor safety performance, often occurs Roof injury accident.

[0003] 巷道超前临时支护液压支架是近几年出现的一种巷道掘进临时支护装备,由于存在一些技术问题没有得到解决,所以处在试用阶段,没有得到推广使用。 [0003] temporary support for a tunnel advance guard hydraulic support a roadway emerged in recent years of temporary excavation support equipment, due to some technical problems have not been resolved, so at the trial stage, has not been widely used.

[0004] 掘进机机载式临时支护装置,因结构较复杂、和掘进机工作产生干涉,需要对掘进机结构进行改造才能使用。 [0004] Heading Machine - mounted Temporary support device, due to the more complex structure, and boring machines work interference, the need to transform the structure of the tunnel boring machine to use. 另外由于掘进机一般只能掘进倾角18°以下的巷道,所以这种临时支护装置不适合大倾角巷道掘进。 Further since the boring machine is generally only boring roadway inclination of 18 ° or less, so this device is not suitable temporary support Tunneling steep.

发明内容 SUMMARY

[0005] 本实用新型的目的是为了克服现有巷道掘进临时支护的不足,提供一种具有液压升降台的悬吊式巷道掘进临时支护装置。 [0005] The object of the present invention is to overcome the disadvantages of the prior Tunneling temporary support is provided having a gateway suspended snorkel Driving temporary support means.

[0006] 具体结构是:它由工字钢悬挂梁、支撑平台、升降台、移动架和若干液压缸所组成; 其中: [0006] The specific configuration: it beam suspended from the beam, the support platform, lifts, consisting of a plurality of hydraulic cylinders and carriage; wherein:

[0007] 所述的工字钢悬挂梁是悬挂在巷道顶板上的用于移动架在上面移动的轨道; [0007] The suspension beam is a beam suspended from the tunnel roof rail for moving the carriage moving in the above;

[0008] 所述的支撑平台是在一个结构台面下面铰接有支腿液压缸,支腿液压缸上铰接有支腿收放液压缸,通过支腿液压缸可使结构台面撑起,通过支腿收放液压缸可使支腿液压缸向后收起; Supporting platform [0008] In one configuration, the table below is hinged outrigger cylinder, a hydraulic cylinder is articulated on the outrigger legs retractable hydraulic cylinder, the structure can hold up table by outrigger cylinder, through the legs retractable hydraulic cylinder can hide rearward outrigger cylinder;

[0009] 所述的升降台有1-3个,升降台由顶梁面和铰接式支腿组成,通过支撑平台结构台面上的滑道安装在支撑平台上,并通过升降液压缸使结构台面顶在巷道顶板上; Lifts [0009] with 1-3 said lifting table and articulated by the top surface of the leg beams composed by slide table support platform mounted on the support structure platform, and that the mesa structure by a lift cylinder on top tunnel roof;

[0010] 所述的护帮板铰接在支撑平台的前端,护帮板上设有收放液压缸,通过收放液压缸可使护帮板向后收起; [0010] The plate is hinged to help protect the front end of the support platform plate is provided with retractable to help protect the hydraulic cylinder, a hydraulic cylinder through the retractable panel can help guard retracted rearwardly;

[0011] 所述的移动架是一个用于连接工字钢悬挂梁和支撑平台的构件,移动架是在架体上安装有滚轮和两组销耳座组成,通过两组销耳座分别铰接上推移液压缸和变幅液压缸, 推移液压缸的另一端再铰接在工字钢悬挂梁后端的连接支座上,变幅液压缸的另一端再铰接在支撑平台后端的销耳座上,从而使工字钢悬挂梁和支撑平台组合成一个整体。 [0011] said moving frame is a beam for connecting the suspension beams and the supporting platform member, the roller carriage is mounted with the ear and two pin seats on the frame body composition, the hinge pin through the ear two seats, respectively the passage of the hydraulic cylinder and a hydraulic luffing cylinder, the other end of the passage cylinder and then the rear end is articulated on the suspension beam is connected to the support beam, the other end of the luffing cylinder articulated on the support platform and then the rear end of the base pin ear, suspension beams so that the beam and the support platform into a whole.

[0012] 本实用新型的有益效果是: [0012] The beneficial effects of the present invention are:

[0013] 1)该装置操作方便省力(操作人员在后面安全地点操作各个液压阀的手把即可)、动作平稳迅速、支护面积大、安全性能好,实现巷道快速连续掘进,减少顶板下沉和离层,减少迎头冒顶和偏帮事故并降低劳动强度。 [0013] 1) The operation of the device is very convenient (operator operates each hydraulic valve in the rear handle can secure location), swift operation smoothly, a large support area, security, performance, achieve rapid continuous tunnel excavation, reducing the roof Shen and abscission layer, reduce head-on and partial roof fall accident and help reduce labor intensity.

[0014] 2)使用掘进机的液压源作为动力时,不需要对掘进机进行改造,只需要从掘进机上引出一根进油管和一根回油管,不会对掘进机工作产生干扰,可以和掘进机平行作业。 [0014] 2) using a hydraulic pressure source tunneling machine as motive power, does not need to transform boring machine, just an inlet pipe leads and a return pipe, it does not interfere with the work from the TBM boring machine, and can be boring machine parallel operation. 也可以使用高压空气作为动力,或使用小型便于移动式乳化液泵站提供液压源。 High-pressure air may be used as the driving force, or facilitate the use of small mobile emulsion pump provides hydraulic pressure source.

[0015] 3)可以适应大倾角巷道掘进,大倾角时也可以快速地动作。 [0015] 3) can be adapted to steep roadway excavation, large inclination can be quickly action.

[0016] 4)该装置充分利用巷道顶部空间,不影响掘进的其他工序;安装拆除维修方便、 结构简单、容易制造,液压缸、液压阀及油管等液压元件属于机械工业基础件,标准化、系列化、通用化程度较高,经济实用,有普遍的、较高的推广和应用价值。 [0016] 4) The apparatus take advantage of roadway headspace without affecting other processes tunneling; installation removed for easier maintenance, simple in structure, easy to manufacture, hydraulic cylinders, hydraulic valves and tubing and other hydraulic components belonging Machinery base member, standardization, series of a higher degree of common, economical and practical, universal, and higher promotion and application value.

[0017] 5)设计1〜3个升降台,可以根据顶板情况,适当调整循环进尺,一次可以掘进一排至三排锚杆的距离(按照锚杆排距0. 8米计算,一次最大可以掘进2. 4米),加快掘进速度,解决很多矿井因为掘进速度慢而造成采掘失调问题。 [0017] 5) a lifting platform designed 1~3, roof according to circumstances, appropriate adjustments footage cycle, a row of a tunneling distance can be three rows of anchors (Anchor calculated row spacing 0.8 meters, the maximum time can be Driving 2.4 meters), and accelerating driving speed, solve a lot of mine because of the slow speed caused by mining excavation imbalance.

[0018] 6)能代替人工上托巷道顶板支护材料,降低工人劳动强度。 [0018] 6) instead of doing so can pop tunnel roof support material, reduce labor intensity. 工字钢悬挂梁可由多节组成,两节之间铰接,连接处端面切割成斜坡,可以向上或向下偏转一定角度,所以能够适应巷道坡度起伏的变化。 Beam suspension beam section may be composed of multiple, articulated at the connection between the two sections of the ramp end faces cut to be deflected upwards or downwards at an angle, it is possible to adapt to changes in the roadway gradient fluctuation. 升降台的顶梁面形状可根据巷道断面形状设计,充分顶住巷道顶板。 Shape of the top surface of the lift beam may be designed according to the shape of the roadway section, sufficiently withstand roadway roof.

[0019] 7)岩石坚硬需要放炮施工时,打开前方的护帮板并在护帮板下方挂上挡板,可以护住临时支护上的液压件和后方的风筒、瓦斯传感器等设备,防止炮崩。 When [0019] 7) requires blasting hard rock construction, to help protect the front of the opening in the guard plate and the bottom plate to help hanging baffles, can protect the back member and the rear hydraulic temporary support on the duct, the gas sensor device, prevent gun collapse.

附图说明 BRIEF DESCRIPTION

[0020] 图1是本实用新型实施例的结构图; [0020] FIG. 1 is a configuration diagram of an embodiment of the present invention;

[0021] 图2是升降台和支撑平台的立体图; [0021] FIG. 2 is a perspective view of the lifting platform and the supporting table;

[0022] 图3是移动小车的立体图; [0022] FIG. 3 is a perspective view of a mobile trolley;

[0023] 图4是防滑固定卡的立体图。 [0023] FIG. 4 is a perspective view of a slip to secure the card.

[0024] 图例说明:1-工字钢悬挂梁;2-连接支座;3-推移液压缸;4-移动架;5-变幅液压缸;6-防滑固定卡;7-支腿液压缸收起固定卡;8-支撑平台;9-支腿收放液压缸;10-支腿液压缸;11-护帮板收放液压缸;12-护帮板;13-固定挂钩;14-第一升降台;15-第二升降台;16-第三升降台;17-升降液压缸;18-连接销;19-顶梁面;20-外连杆;21-内连杆;22-滑道;23-铰链筒;24-支腿收起固定卡子;25-第一铰链筒;26-架体;27-滚轮轴; 28-固定螺母;29-滚轮;30-加强筋;31-第一销耳座;32-第二销耳座;33-第二铰链筒; 34-吊耳;35-螺栓孔;36-销孔;37-第三销耳座。 [0024] Legend: 1- I-beam suspension beam; 2- connection support; 3- passage of the cylinder; 4- carriage; 5- luffing cylinder; 6- slip retaining tab; 7- outrigger cylinder Collapse fixed card; 8- support platform; 9- retractable outrigger cylinder; 10- outrigger cylinder; 11- retractable to help protect the plate cylinder; 12- help guard plate; 13- retention hooks; of 14- an elevator; 15 second elevator; 16- third elevators; 17- lift cylinder; 18- pin connector; 19- headpiece face; an outer rod 20; the connecting rod 21; 22- slip Tao; 23- hinge cylinder; 24- fastening clip leg away; 25 of the first hinge cylinder; 26- rack; 27- roller shaft; 28- fixing nut; 29- roller; 30- bead; of 31- a pin holder ear; 32- second pin ears seat; the second hinge cylinder 33; 34- lug; 35 bolt hole; 36- pin hole; 37- ear third pin holder.

具体实施方式 detailed description

[0025] 如图1-4所示,一种具有液压升降台的悬吊式巷道掘进临时支护装置,具体结构是:它由工字钢悬挂梁1、支撑平台8、第一升降台14、第二升降台15、第三升降台16、移动架4和若干液压缸所组成;其中,所述的工字钢悬挂梁1是悬挂在巷道顶板上的用于移动架4在上面移动的轨道,工字钢悬挂梁1由四节组成,每两节的相对端加工成斜面,每两节之间用连接销18铰接,铰接点设在梁底面;所述的支撑平台8是在一个结构台面下面铰接有支腿液压缸10,支腿液压缸10上铰接有支腿收放液压缸9,通过支腿液压缸10可使结构台面撑起,通过支腿收放液压缸9可使支腿液压缸10向后收起,收起后卡在支腿液压缸收起固定卡7上或支腿收起固定卡子M上;所述的第一升降台14、第二升降台15和第三升降台16均由顶梁面19和由外连杆20、内连杆21组成的铰接式支腿组成,通过滑 [0025] shown in Figure 1-4, having suspended roadway hydraulic lifts Driving temporary support means, the specific structure: it is suspended from the beam 1 beam, a support platform 8, the first elevator 14 , the second elevator 15, a third elevator 16, composed of a plurality of hydraulic cylinders 4 and the moving frame; wherein said suspension beam is a beam suspended from the tunnel roof for moving carriage 4 in the above track, I-beam suspension beam 1 made of four sections, each of two opposite ends of the beveled processing between each hinge 18 with two hinge points provided in the bottom surface of the beam connecting pin; said support is a platform 8 the following table structure is hinged outrigger cylinder 10, the cylinder 10 has a hinged outrigger legs retractable hydraulic cylinder 9, the structure can hold up table by outrigger cylinder 10, the cylinder 9 can retractable outrigger Collapse outrigger cylinder 10 rearwardly, away the card after the card is fixed outrigger cylinder stowed away on the leg 7 or the fastening clip M; said first elevator 14, and the second elevator 15 third elevators 16 and 19 by a top surface of the beam by the outer legs articulated link 20, the link 21 composed of composition, by sliding 道22安装在支撑平台8上,并通过升降液压缸17使结构台面顶在巷道顶板上;所述的护帮板12是 Channel 22 mounted on the support platform 8, so that the structure of the table top and on the tunnel roof by the elevating hydraulic cylinder 17; to help protect the plate 12 is

4一个结构板,护帮板12设有固定挂钩13,通过支撑平台8上的铰链筒23铰接在支撑平台8 的前端,护帮板12上设有护帮板收放液压缸11,通过护帮板收放液压缸11可使护帮板12 向后收起;所述的移动架4是一个用于连接工字钢悬挂梁1和支撑平台8的构件,移动架4 通过第二铰链筒33铰接在支撑平台8后端的第一铰链筒25上,移动架4由是架板和加强筋30连接成的架体沈,在架体沈上通过滚轮轴27、固定螺母观安装上滚轮四,通过滚轮29悬挂在工字钢悬挂梁1上,架体沈下面固定有第一销耳座31、第二销耳座32和第二铰链筒33,通过第一销耳座31铰接上推移液压缸3,通过第二销耳座32铰接上变幅液压缸5, 推移液压3的另一端再铰接在工字钢悬挂梁1后端的连接支座2上,变幅液压缸5的另一端再铰接在支撑平台8后端的第三销耳座37的铰耳上,从而使工字钢悬挂梁1和支撑平台 A structural panel 4, to help protect the fixed plate 12 is provided with hooks 13, cylinder 23 is hinged by a hinge 8 on the support platform is provided to help protect the plate accommodating cylinder 11 at the front end of the support platform, to help protect the plate 12 8, by retaining help retractable plate cylinder 11 plate 12 can help guard retracted rearwardly; said moving frame 4 is connected to a beam for a suspension member and the support beam of the platform 8, a second moving frame 4 by hinge cylinder 33 is hinged on the support platform 8 a rear end of the first hinge cylinder 25, the moving frame 4 of a frame plate and a reinforcing rib 30 is connected to the frame body sink, mounted on the roller four through 27, a fixing nut concept of the roller shaft on the frame body Shen , the roller 29 is suspended by the suspension beam upper beam 1, the frame body is fixed to sink below the first pin holder ear 31, the second pin 32 and the lug seat 33 of the second hinge cylinder, the first pin 31 by the passage of the seat hinge lug the other end of the cylinder 3, through the pin 32 on the second base hinge lug luffing cylinder 5, the hydraulic passage 3 is again hinged at the rear end of a suspension beam is connected to the support beam 2, the other end of the luffing cylinder 5 8 and then the rear end of the support platform is hinged to the third hinge pin ear lug seat 37, so that the beam supporting platform and suspension beam 1 8组合成一个整体。 8 into a whole. 另外,再将防滑固定卡6安装到工字钢悬挂梁1上。 Further, the retaining tab and then slip beam 6 is mounted to a suspension beam. 防滑固定卡6如图4所示,防滑固定卡6上设有推移液压缸在前移时悬挂在工字钢梁上的吊耳34、与悬挂梁的连接螺栓孔35和连接销孔36。 Slip the retaining clips 6 shown in Figure 4, with the passage of the hydraulic cylinder suspended from the beam when the beam forward slip lug 34 fixed on the card 6, the connecting bolt hole 35 of suspension beam 36 and the connecting pin hole.

[0026] 本实施例的使用过程是: [0026] Example embodiment of the present process is used:

[0027] 1、装置的安装: [0027] 1, means mounting:

[0028] 首先,在锚杆支护巷道中,利用巷道顶板中间两列锚杆外露段安装上工字钢悬挂梁1,或在架棚支护巷道中利用巷道支护棚梁安装上工字钢悬挂梁1作为移动轨道;利用支腿液压缸10将支撑平台8撑起,支撑平台8上布置第一升降台14、第二升降台15和第三升降台16,支撑平台8前端铰接上护帮板12,再将移动架4悬挂在工字钢悬挂梁1上,并铰接在支撑平台8后端。 [0028] First, in the bolt support tunnel, using two intermediate tunnel roof bolt mounted on the exposed section of an I-beam suspension beams, or by the mounting stage a word roadway support beam shelves or shelf support tunnel 1 as a mobile suspension beam steel rail; outrigger cylinder 10 using the support platform prop 8, arranged on a first support platform 8 lifts 14, second 15 and the third elevator 16 lifts, the articulated support platform 8 front end help guard plate 12 and then moving frame 4 is suspended beam is suspended on the beam 1, and is hinged at the rear end 8 supporting platform.

[0029] 2、临时支护操作: [0029] 2, the temporary support operations:

[0030] 1)收缩支撑平台变幅液压缸5使支撑平台8旋转下放,将钢带或棚梁固定到第一升降台14、第二升降台15和第三升降台16上; [0030] 1) a support platform shrinkage luffing cylinder 5 rotating the support platform 8 decentralized, strip or shed the beam 14 is fixed to the first elevator, a second elevator and the third elevator 15 table 16;

[0031] 2)伸长支撑平台变幅液压缸5使支撑平台8旋转成与巷道顶板成平行状态。 [0031] 2) elongate support platform 5 luffing cylinder 8 is rotated so that the support platform to a parallel state with the tunnel roof.

[0032] 3)伸长推移液压缸3推动支撑平台8前移,使推移液压缸3通过防滑固定卡的吊耳34悬挂在工字钢悬挂梁1上; [0032] 3) an elongation to promote the passage of the hydraulic cylinder 3 forward support platform 8, so that the passage of the hydraulic cylinder 3 through the lug hanging beam 34 fixed card slip beam suspension 1;

[0033] 4)第一升降台14、第二升降台15和第三升降台16升起接触到巷道顶板; [0033] 4) the first elevator 14, the second elevator and the third elevator 15 is raised in contact with the tunnel roof 16;

[0034] 5)支腿收放液压缸9伸长,推动支腿液压缸10转动,使支腿液压缸10和支撑平台8垂直,伸长支腿液压缸10支撑住支撑平台8 ; [0034] 5) an elongated leg accommodating cylinder 9, urged to rotate outrigger cylinder 10, the hydraulic cylinder 10 so that the leg 8 and the support platform vertically elongate support outrigger cylinder 10 stay support platform 8;

[0035] 6)钻顶板锚杆孔并安装巷道顶板锚杆或架设棚梁和棚腿。 [0035] 6) drilling roof bolt holes and mounting bolt or tunnel roof and the roof beams Shelving legs.

[0036] 然后进行前移等待下一循环: [0036] and then waits for the next advance cycle:

[0037] 7)第一升降台14、第二升降台15和第三升降台16下降,迎头安装工字钢悬挂梁1,支腿液压缸10收起固定到支腿液压缸收起固定卡7中; [0037] 7) the first elevator 14, the second elevator 15, and a third elevator 16 is lowered, head-mounted suspension beam 1 beam, outrigger cylinder 10 is fixed to the outrigger cylinder Collapse Collapse fixing clip 7;

[0038] 8)将防滑固定卡6拆除后安装到前方特制工字钢悬挂梁1上,收缩推移液压缸3 使支撑平台8移动到后方,并使护帮板12上的固定挂钩13钩住防滑固定卡6 ; [0038] 8) After the removal of the card 6 fixed skid is mounted to the front suspension beam special beam 1, the cylinder 3 so that shrinkage transition support platform 8 is moved to the rear, and retaining hooks fixed on the plate 1213 to help hooking slip fixing clip 6;

[0039] 9)拆除四根固定推移液压缸3的连接支座2的四根螺栓,收缩推移液压缸3使连接支座2前移到新的位置后固定。 [0039] 9) Remove four cylinder connecting passage 3 fixed abutment four bolts 2 contraction passage of the stationary cylinder 3 after connecting to a new location before the carrier 2.

[0040] 3、掘进机截割煤岩或钻炮眼放炮。 [0040] 3, roadheader cutting or drilling borehole blasting coal.

Claims (1)

  1. 1. 一种悬吊式巷道掘进临时支护装置,其特征在于,它由工字钢悬挂梁、支撑平台、升降台、移动架和多个液压缸所组成;其中:所述的工字钢悬挂梁是悬挂在巷道顶板上的用于移动架在上面移动的轨道; 所述的支撑平台是在一个结构台面下面铰接有支腿液压缸,支腿液压缸上铰接有支腿收放液压缸,通过支腿液压缸可使结构台面撑起,通过支腿收放液压缸可使支腿液压缸向后收起;所述的升降台有1-3个,升降台由顶梁面和铰接式支腿组成,通过支撑平台结构台面上的滑道安装在支撑平台上,并通过升降液压缸使结构台面顶在巷道顶板上;所述的护帮板铰接在支撑平台的前端,护帮板上设有收放液压缸,通过收放液压缸能使护帮板向后收起;所述的移动架是一个用于连接工字钢悬挂梁和支撑平台的构件,移动架是在架体上安装有滚轮和两组销耳座 A temporary Tunneling overhead support means, characterized in that it is suspended from the beam girder, support platform lifts, consisting of a plurality of hydraulic cylinders and carriage; wherein: said beam suspension beam is suspended from the tunnel roof rail for moving the carriage moving in the above; said support platform is in a hinged configuration following table outrigger cylinder, a hydraulic cylinder is articulated on the outrigger cylinder retractable outrigger by outrigger cylinder structure can hold up table, by a hydraulic cylinder can retractable outrigger outrigger cylinder retracted rearwardly; said lifting platform with 1-3, beam lifting platform by the top surface and the hinge formula leg composed by a slide table support platform mounted on the support structure platform, and that the mesa structure on top of the lift cylinder through the tunnel roof; hinge plate according to help protect the front end, to help protect the support platform plate provided with retractable hydraulic cylinder, a hydraulic cylinder through the retractable panel can help guard retracted rearwardly; said moving frame is a beam for connecting the suspension beams and the supporting platform member, a carriage frame body and two sets of rollers mounted on the pin holder ear 组成,通过两组销耳座分别铰接上推移液压缸和变幅液压缸,推移液压缸的另一端再铰接在工字钢悬挂梁后端的连接支座上,变幅液压缸的另一端再铰接在支撑平台后端的销耳座上,从而使工字钢悬挂梁和支撑平台组合成一个整体。 Composed by two respectively articulated on the pin holder ear passage luffing cylinder and a hydraulic cylinder, the other end of the passage cylinder and then the rear end is articulated on the suspension beam is connected to the support beam, and the other end hinged luffing cylinder and then in the rear end of the pin support platform ear seat suspension beam so that the beam and the support platform into a whole.
CN 201120262756 2011-07-22 2011-07-22 Suspended type temporary supporting device for laneway tunneling CN202187785U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102383815A (en) * 2011-07-22 2012-03-21 安徽理工大学 Suspension type driftage temporary supporting device and use method thereof
CN104847390A (en) * 2015-03-18 2015-08-19 辽宁工程技术大学 Parallel top beam hydraulic support frame

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102383815A (en) * 2011-07-22 2012-03-21 安徽理工大学 Suspension type driftage temporary supporting device and use method thereof
CN102383815B (en) 2011-07-22 2013-11-27 安徽理工大学 Suspension type driftage temporary supporting device and use method thereof
CN104847390A (en) * 2015-03-18 2015-08-19 辽宁工程技术大学 Parallel top beam hydraulic support frame
CN104847390B (en) * 2015-03-18 2017-12-05 辽宁工程技术大学 To a juxtaposition hydraulic support girder formula

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