CN205955762U - Temporary support visits temporary support device of frame with preceding spy frame and before using this - Google Patents

Temporary support visits temporary support device of frame with preceding spy frame and before using this Download PDF

Info

Publication number
CN205955762U
CN205955762U CN201620949240.0U CN201620949240U CN205955762U CN 205955762 U CN205955762 U CN 205955762U CN 201620949240 U CN201620949240 U CN 201620949240U CN 205955762 U CN205955762 U CN 205955762U
Authority
CN
China
Prior art keywords
frame
support
auxiliary
top surface
front spy
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.)
Expired - Fee Related
Application number
CN201620949240.0U
Other languages
Chinese (zh)
Inventor
杨风才
聂守江
杨海涛
何清正
王力
张斌
李南俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chinese Academy of Sciences CAS
Original Assignee
Chinese Academy of Sciences CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chinese Academy of Sciences CAS filed Critical Chinese Academy of Sciences CAS
Priority to CN201620949240.0U priority Critical patent/CN205955762U/en
Application granted granted Critical
Publication of CN205955762U publication Critical patent/CN205955762U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a temporary support visits temporary support device of frame with preceding spy frame and before using this. Temporary support is with preceding spy frame, definition preceding spy frame have when using with the consistent degree of depth direction of the extending direction in tunnel and consistent horizontal with the width direction in tunnel cross -section, then preceding spy frame has the top of roadway face supporting beam more than the twice in its degree of depth direction to / the top of roadway face supporting beam more than the twice perhaps has on it is horizontal, and preceding spy frame still includes and at least twice the preceding spy frame bearing structure that a top of roadway face supporting beam connects simultaneously. Can prop up the top of roadway face of propping up more than the twice simultaneously through preceding spy frame bearing structure and prop up supporting beam, for forestope among the prior art or hydraulic prop's form, can save half the work load at least, be favorable to improving the operating efficiency.

Description

A kind of gib visits frame and using this front temporary support device visiting frame with front
Technical field
This utility model is related to a kind of gib and visits frame and using this front temporary support device visiting frame with front.
Background technology
Rock roadway in coal mine drift section is stalk semicircular arch, and permanent support mode is " Bolt net and jet+anchor cable " supporting, makees in explosion After industry, work need to be jeopardized to exposed tunnel permanent support, before carrying out permanent support for preventing balkstone during empty top operation to be caving The personal safety of industry personnel, need to take reliable gib protection operating personnel.Although existing hydraulic support can play Well supporting effect, but expensive, mobility is poor, and application is limited.
Gib at present is generally front canopy support, and such as Authorization Notice No. is the back of the body of the Chinese patent of CN2656637Y Described in scape technology segment, front canopy support is first by forestope(It is furnished with the steel pipe of suspension ring)It is suspended on the threaded anchor of back The exposed parts of bar, fully-mechanized digging machine has cut recession one end distance after a row, then the top board laying wire netting, steel band are provoked, front Move the steel pipe of forestope, hold top board wire netting, steel band, added after real plus jail with square wood strip, set top board and both sides anchor pole, then after Remove forestope one segment distance, so that fully-mechanized digging machine is tunneled, so circulate.But, there are needs and move repeatedly front spy in which Beam, need the problem of the side's of installing wood strip, supporting is inconvenient, time-consuming take a lot of work, and the restriction due to suspension ring length, top board out-of-flatness When forestope cannot use.For this reason, disclosing a kind of improved temporary support device in above-mentioned patent, prop up including monomer hydraulic Post, back timber, the appropriate position in the middle part of back timber is articulated and connected with the piston rod top of hydraulic prop, hydraulic prop by Underground hydraulic pressure station or light-duty emulsification pump etc. provide pressure.After fully-mechanized digging machine exits, row's hydraulic prop is set, lay Top board wire netting, steel band are placed on back timber, and manipulating Hydraulic Station makes hydraulic prop through back timber by top board wire netting, steel band top Rise, form gib, after permanent support to be performed, by hydraulic prop pressure release, back timber declines, you can propped up next time Shield.
But, existing temporary support device needs to arrange many forestopes, or many hydraulic props of setting, and And need to ensure the alignment of each forestope or hydraulic prop, workload is big, and process is loaded down with trivial details, and operation is inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of gib to visit frame and using this front gib dress visiting frame with front Put, to solve in prior art, setting temporary support device workload is big, and process is loaded down with trivial details, the inconvenient problem of operation.
For achieving the above object, employed technical scheme comprise that in this utility model:A kind of gib, with front spy frame, defines Described front frame of visiting has the depth direction consistent with the bearing of trend in tunnel when using and the width with tunnel section Consistent is horizontal, then described front spy frame has the tunnel top surface support beam of more than twice in its depth direction, and/or It transversely has the tunnel top surface support beam of more than twice, and front spy frame also includes and top surface support beam in tunnel at least described in twice The front spy frame support structure being simultaneously connected with.
Described front spy frame support structure includes being connected to the right cylinder of tunnel top surface support beam bottom, also includes being connected to directly Diagonal brace between column and tunnel top surface support beam.
Described tunnel top surface support beam includes longitudinal support beam and the horizontal stroke along its horizontal expansion extending along its depth direction To support beam, longitudinal support beam and the coplanar setting of cross-brace beam.
The lower end of described right cylinder is provided with for the releasable connection knot with the removable fixation of the supporting device of feed screw nut form Structure.
Each described tunnel top surface support beam visits the horizontal curved support face of frame before being developed across.
Each described tunnel top surface support beam forms main bracing frame, and the horizontal at least side of described main bracing frame is hinged There is auxiliary support frame, the hinge axes of auxiliary support frame are along the front depth direction extension visiting frame, front spy frame support structure and auxiliary Between bracing frame, telescopic regulating mechanism is hinged with by rotating shaft.
Telescopic regulating mechanism includes the auxiliary threaded rod hinged with auxiliary support frame and visits hinged the propping up of frame support structure with front Support screw rod, described auxiliary threaded rod is passed through away from front one end visiting frame support structure with studdle away from one end of auxiliary support frame In the reverse main body being threaded in same flower basket bolt.
The both lateral sides of described main bracing frame are all hinged with auxiliary support frame, and the plane that auxiliary support frame is located is arc Face.
The described front rotating shaft visited between frame support structure and auxiliary support frame is removable rotating shaft.
Temporary support device, visits frame and the supporting device for visiting frame before supporting including front, and the described front spy frame of definition has The depth direction consistent with the bearing of trend in tunnel and horizontal, the institute consistent with the width in tunnel section when using Visit, before stating, the tunnel top surface support beam that frame has more than twice in its depth direction, and/or there are twice in its transverse direction Above tunnel top surface support beam, front spy frame also includes the front spy frame being simultaneously connected with tunnel top surface support beam described at least twice Supporting construction.
Described front spy frame support structure includes being connected to the right cylinder of tunnel top surface support beam bottom, also includes being connected to directly Diagonal brace between column and tunnel top surface support beam.
Described tunnel top surface support beam includes longitudinal support beam and the horizontal stroke along its horizontal expansion extending along its depth direction To support beam, longitudinal support beam and the coplanar setting of cross-brace beam.
The lower end of described right cylinder is provided with for the releasable connection knot with the removable fixation of the supporting device of feed screw nut form Structure.
Each described tunnel top surface support beam visits the horizontal curved support face of frame before being developed across.
Each described tunnel top surface support beam forms main bracing frame, and the horizontal at least side of described main bracing frame is hinged There is auxiliary support frame, the hinge axes of auxiliary support frame are along the front depth direction extension visiting frame, front spy frame support structure and auxiliary Between bracing frame, telescopic regulating mechanism is hinged with by rotating shaft.
Telescopic regulating mechanism includes the auxiliary threaded rod hinged with auxiliary support frame and visits hinged the propping up of frame support structure with front Support screw rod, described auxiliary threaded rod is passed through away from front one end visiting frame support structure with studdle away from one end of auxiliary support frame In the reverse main body being threaded in same flower basket bolt.
The both lateral sides of described main bracing frame are all hinged with auxiliary support frame, and the plane that auxiliary support frame is located is arc Face.
The described front rotating shaft visited between frame support structure and auxiliary support frame is removable rotating shaft.
Beneficial effect:This utility model adopts technique scheme, and front spy frame has more than twice in its depth direction Tunnel top surface support beam, and/or there is the tunnel top surface support beam of more than twice in its transverse direction, front spy frame also include with The front spy frame support structure that at least described in twice, tunnel top surface support beam is simultaneously connected with, so, by front spy frame support structure energy Enough tunnel top surface support beams simultaneously supporting more than twice, with respect to forestope of the prior art or hydraulic prop Form, can at least save the workload of half, be conducive to improve working performance.
Further, each described tunnel top surface support beam formed main bracing frame, described main bracing frame horizontal extremely Few side is hinged with auxiliary support frame, and the hinge axes of auxiliary support frame extend along the front depth direction visiting frame, and front spy frame supports Between structure and auxiliary support frame, telescopic regulating mechanism is hinged with by rotating shaft, by adjusting telescopic regulating mechanism, before can making Visit frame and adapt to different drift section sizes, according to tunnel radian scene adjustment bearing height, the suitability is good, realizes to tunnel Effective support intensity, reduces back of the body top operation it is ensured that control top scope, improves safety.
Further, telescopic regulating mechanism includes passing through hinged auxiliary threaded rod and and main bracing frame with auxiliary support frame Hinged driving screw, described auxiliary threaded rod away from auxiliary support frame one end and driving screw away from main bracing frame threaded one end It is connected in the main body of same flower basket bolt, auxiliary support frame can be realized by pure mechanic structure in the form of flower basket bolt Adjustment, need not rely on hydraulic test, be easy to operation.
Further, the described front rotating shaft visited between frame support structure and auxiliary support frame is removable rotating shaft, during installation, first Stationary body bracing frame, then install auxiliary support frame additional, task difficulty during installation and labor intensity can be reduced, improve operation effect Rate, assembly and disassembly are more convenient.
The lower end of described right cylinder is provided with for the releasable connection knot with the removable fixation of the supporting device of feed screw nut form Structure.
Further, the lower end of described right cylinder be provided with for the removable fixation of the supporting device of feed screw nut form can Tear attachment structure open, visit frame before being capable of using releasable connection structure and separate with supporting device such that it is able to separating transport, making Used time assembles;Meanwhile, supporting device can be the supporting device of feed screw nut form, for example, include top and fix with stop sleeve Leading screw, also include the base plugging for leading screw, base is rotatably equipped with threads of lead screw transmission cooperation adjusting nut.Make Used time, base is supported on the ground, rotates adjusting nut, you can drive leading screw lifting, and then before drive, visit frame lifting, realize Gib.So, a whole set of temporary support device adopts the drive mechanism of Purely mechanical completely it is not necessary to connect hydraulic test, Easy to use, mobile flexible, easy to disassemble, the working performance of gib can be effectively improved, mitigate labor strength.Excellent Selection of land, base arranges leading screw spline structure, it is to avoid when rotating adjusting nut, leading screw and front spy frame rotate, so that adjusting Section is convenient.Preferably, leading screw top is provided with rotation stop projection, and the chute on rotation stop projection and stop sleeve is along stop sleeve Axially directed cooperation, and coordinate so that stop sleeve can sheathed be fixed to along the circumferential block of stop sleeve with stop sleeve Leading screw top, while ensureing secure support, is visited frame and is separated with supporting device, be easy to dismount before can conveniently realizing, Reduce labor strength.
Brief description
Fig. 1 is a kind of gib front view of a front embodiment visiting frame in this utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the structural representation of another embodiment of temporary support device in this utility model.
The each reference of in figure is corresponding entitled:10- main bracing frame, 11- longitudinal support beam, 12- cross-brace beam, 20- auxiliary support frame, 30- split pin, 41- right cylinder, 42- diagonal brace, 43- stop sleeve, 44- chute, the hinged otic placode of 51-, 52- Studdle, 53- auxiliary threaded rod, 54- flower basket bolt main body, 61- base, the two-way leading screw of 62-, 63- handle, 64- branch sleeve, 65- rotation stop projection, 66- tunnel ground.
Specific embodiment
Below in conjunction with the accompanying drawings embodiment of the present utility model is described further.
A kind of gib of this utility model is implemented for example shown in Fig. 1 ~ Fig. 3 with front visit frame one, for " biplane " arc Frame is visited, including main bracing frame 10, auxiliary support frame 20 and front spy frame support structure, front spy frame support structure includes connecting before shape In the right cylinder 41 of tunnel top surface support beam bottom, also include the diagonal brace being connected between right cylinder 41 and tunnel top surface support beam 42.Entirely front spy frame is mainly formed using steel-pipe welding, and the cost of material is low, easy to make.
Define described front frame of visiting to there is the depth direction consistent with the bearing of trend in tunnel when using and cut with tunnel Consistent horizontal of the width in face, main bracing frame 10 includes four road cross-brace beams being arranged side by side along its depth direction 12, also include the five road longitudinal support beam 11 arranging laterally side by side along it, longitudinal support beam 11 is mutually welded with cross-brace beam 12 Connect fixation, and along the coplanar setting of cambered surface, form curved support structure corresponding with tunnel top surface.
Right cylinder 41 is weldingly fixed on the length side of longitudinal support beam 11 corresponding with curved support structural top center To middle part, extend straight down.Diagonal brace 42 has four, including in the two ends being connected to this longitudinal support beam 11 and right cylinder 41 Two diagonal braces 42 between portion, also include being connected to the middle part of laterally outermost two longitudinal support beam 11 length directions with straight Two diagonal braces 42 between the middle part of column 41.Four only form stable supporting construction it is ensured that the load-bearing of main bracing frame 10 is strong Degree.The bottom welding of right cylinder 41 is fixed with the stop sleeve 43 that lower end has opening, and the barrel of stop sleeve 43 is provided with two Along the axially extended chute 44 of stop sleeve 43, the line of twice chute 44 is through the axis of stop sleeve 43 and each chute 44 in road Lower end be provided with opening, for coordinating with supporting device, realize to front visit frame support.
Auxiliary support frame 20 is provided with two, for day glyph framework structure, is hinged on body supports by removable rotating shaft respectively The both lateral sides of frame 10.Detachable connecting pin is split pin 30, can easily dismount.The hinge axes of auxiliary support frame 20 are along front spy The depth direction of frame extends, and is hinged with telescopic regulating mechanism by rotating shaft between front spy frame support structure and auxiliary support frame 20, Telescopic regulating mechanism includes passing through the hinged auxiliary spiral shell of rotating shaft with the hinged otic placode 51 in the transverse beam at auxiliary support frame 20 middle part Bar 53 and pass through the hinged studdle 52 of rotating shaft with right cylinder 41, described auxiliary threaded rod 53 is away from one end of auxiliary support frame 20 It is threaded in same flower basket bolt main body 54 by reverse away from one end of right cylinder 41 with studdle 52, rotate flower Basket bolt body 54, you can easily adjust the folding of auxiliary support frame 20.
Corresponding supporting device is the supporting device of feed screw nut form, and including leading screw, leading screw top is provided with rotation stop projection, Chute on rotation stop projection and stop sleeve along the axially directed cooperation of stop sleeve, and with stop sleeve along stop sleeve week To block cooperation, stop sleeve can cover the removable fixation being set to the realization of leading screw top and supporting device, and stop sleeve is constituted can Tear attachment structure open.Supporting device also includes the base plugging for leading screw, base arranges leading screw spline structure, it is to avoid rotate and adjust During nut, leading screw rotates, and base is also rotatably equipped with the adjusting nut with threads of lead screw transmission cooperation.
During use, base is supported on the ground of tunnel, gib is passed through propping up of right cylinder 41 bottom with front frame of visiting Support set cylinder 43 is supported and fixed on the leading screw top being correspondingly arranged, and rotates adjusting nut, drives leading screw to rise, so that gib is used front Spy frame is moved upwards and is held out against with tunnel top, installs auxiliary support frame 20, then passes through flower basket bolt main body 54 adjustment auxiliary and props up Support 20 position can complete gib.Certainly, in order to improve security performance, can be pre- with front spy top of the trellis in gib First setting wire netting, steel band etc..
Frame is visited and for visiting shoring of frame before supporting before an embodiment of temporary support device includes in this utility model Device, supporting device is the supporting device of above-mentioned feed screw nut form, and front spy frame is the front spy frame in above-described embodiment, herein not Repeat again.
In this utility model temporary support device another embodiment as shown in figure 4, different from above-described embodiment it Place is only that, in the present embodiment, supporting device is another kind of feed screw nut form, including base 61, two-way leading screw 62 and adapter sleeve Cylinder 64.Wherein base is used for being fixed to tunnel ground 66, and its top is provided with the screw thread with the bottom thread cooperation of two-way leading screw Hole;Branch sleeve top is provided with rotation stop projection 65, and the chute 44 on rotation stop projection 65 and stop sleeve 43 is along the axle of stop sleeve To guiding cooperation, and coordinate along the circumferential block of stop sleeve with stop sleeve, stop sleeve sheathed can be fixed to adapter sleeve Cylinder 64 tops;The bottom of branch sleeve 64 is provided with the screwed hole with the screw top cooperation of two-way leading screw 62.For the ease of operation, It is fixed with handle 63 on two-way leading screw 62.During use, visit that frame is sheathed is fixed to stop sleeve top by front, a people helps front spy Frame, the lifting of frame visited by another people's turning handle 63 before can achieve.Because two-way leading screw 62 two ends are provided with reverse thread, therefore can Enough realizations quickly lift.Certainly, in other embodiments, the releasable connection structure of the front right cylinder lower end visiting frame can also be replaced It is changed to other forms, the form of for example interior six sides or outer six sides, form of ring flange etc. for another example, correspondingly, on supporting device The corresponding structure that is connected is set.
In the above-described embodiments, top surface support beam in tunnel includes cross-brace beam 12 and longitudinal support beam 11, in this practicality In new other embodiment, tunnel top surface support beam can also be only with cross-brace beam 12, or only with longitudinal bracing Beam 11, the quantity of tunnel top surface support beam can also increase and decrease as needed.In addition, in the above-described embodiments, front spy frame supports knot In the form of a right cylinder 41 and diagonal brace 42, in other embodiments, front spy frame support structure can also replace with it to structure His form, for example with many right cylinders 41, then coordinates diagonal brace 42 that each tunnel top surface support beam is supported, or all adopts With diagonal brace 42, diagonal brace 42 lower end can all link together it is also possible to several diagonal braces 42 are formed one group, by every group of bottom Link together.In addition, in the above-described embodiments, the front telescopic regulating mechanism visited between frame support structure and auxiliary support frame 20 For flower basket bolt structure, in other embodiment, telescopic regulating mechanism can also replace with other forms, such as screw-nut body Form.Furthermore, in other embodiments, main bracing frame 10, auxiliary support frame 20 can also be plane form.Certainly, exist In other embodiment, if tunnel condition is easy to use hydraulic prop, it would however also be possible to employ hydraulic prop is as front spy The supporting device of frame.

Claims (10)

1. a kind of gib with front spy frame it is characterised in that:Define described front frame of visiting and there is the extension with tunnel when using The consistent depth direction in direction and consistent with the width in tunnel section horizontal, then described front spy frame is in its depth side To the tunnel top surface support beam with more than twice, and/or there is the tunnel top surface support of more than twice in its transverse direction Beam, front spy frame also includes the front spy frame support structure being simultaneously connected with tunnel top surface support beam described at least twice.
2. gib according to claim 1 with front spy frame it is characterised in that:Described front spy frame support structure is included even It is connected on the right cylinder of tunnel top surface support beam bottom, also include the diagonal brace being connected between right cylinder and tunnel top surface support beam.
3. gib according to claim 2 with front spy frame it is characterised in that:Described tunnel top surface support beam includes edge Longitudinal support beam and the cross-brace beam along its horizontal expansion that its depth direction extends, longitudinal support beam is with cross-brace beam altogether Face is arranged.
4. gib according to claim 2 with front spy frame it is characterised in that:The lower end of described right cylinder be provided with for Releasable connection structure with the removable fixation of the supporting device of feed screw nut form.
5. the gib according to any one in claim 14 with front spy frame it is characterised in that:Each described lane Road top surface support beam visits the horizontal curved support face of frame before being developed across.
6. the gib according to any one in claim 14 with front spy frame it is characterised in that:Each described lane Road top surface support beam forms main bracing frame, and the horizontal at least side of described main bracing frame is hinged with auxiliary support frame, auxiliary The hinge axes helping bracing frame extend along the front depth direction visiting frame, by turning between front spy frame support structure and auxiliary support frame Axle is hinged with telescopic regulating mechanism.
7. gib according to claim 6 with front spy frame it is characterised in that:Telescopic regulating mechanism includes and auxiliary The hinged auxiliary threaded rod of support and the studdle hinged with front spy frame support structure, described auxiliary threaded rod is away from auxiliary support frame One end and studdle pass through the reverse master being threaded in same flower basket bolt away from front one end visiting frame support structure On body.
8. gib according to claim 7 with front spy frame it is characterised in that:The both lateral sides of described main bracing frame All it is hinged with auxiliary support frame, the plane that auxiliary support frame is located is cambered surface.
9. gib according to claim 6 with front spy frame it is characterised in that:Described front spy frame support structure and auxiliary Rotating shaft between bracing frame is removable rotating shaft.
10. temporary support device it is characterised in that:Visit frame and the supporting device for visiting frame before supporting, described front spy including front Frame is the front spy frame described in any one in claim 19.
CN201620949240.0U 2016-08-26 2016-08-26 Temporary support visits temporary support device of frame with preceding spy frame and before using this Expired - Fee Related CN205955762U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620949240.0U CN205955762U (en) 2016-08-26 2016-08-26 Temporary support visits temporary support device of frame with preceding spy frame and before using this

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620949240.0U CN205955762U (en) 2016-08-26 2016-08-26 Temporary support visits temporary support device of frame with preceding spy frame and before using this

Publications (1)

Publication Number Publication Date
CN205955762U true CN205955762U (en) 2017-02-15

Family

ID=57980046

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620949240.0U Expired - Fee Related CN205955762U (en) 2016-08-26 2016-08-26 Temporary support visits temporary support device of frame with preceding spy frame and before using this

Country Status (1)

Country Link
CN (1) CN205955762U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106121698A (en) * 2016-08-26 2016-11-16 永煤集团股份有限公司 Gib front spy frame and the temporary support device that uses this front spy frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106121698A (en) * 2016-08-26 2016-11-16 永煤集团股份有限公司 Gib front spy frame and the temporary support device that uses this front spy frame

Similar Documents

Publication Publication Date Title
CN107060749B (en) Tunneling and anchoring integrated fully-mechanized excavating machine adopting 4 anchor rod drilling machine advanced anchor protection
CN104895578A (en) Circular-rail multifunctional drill jumbo system
CN204716251U (en) Circular orbit formula multifunctional rock drilling trolley
CN102410017B (en) Supporting type integrated tunneling-anchoring machine
CN201747390U (en) Suspension type multifunctional tunnel operation machine
CN105003288B (en) A kind of method and support system of medium-thickness seam gob side entry retaining
CN108331603A (en) A kind of multi-functional trolley and its construction method
CN104533286B (en) A kind of narrow fuselage anchor shaft anchor cable drill carriage
CN207686728U (en) Constructing tunnel equipment
CN208106466U (en) Pick shield windlass
CN207620714U (en) A kind of caterpillar track travelling both arms multi-angle jumbolter
CN106121698B (en) The preceding spy frame of gib and the temporary support device for using the preceding spy frame
CN109268046A (en) A kind of airborne Anchor Care mechanism
CN202391424U (en) Supporting type comprehensive bolter miner
CN109707430A (en) A kind of roadway head gib equipment and application method
CN208502802U (en) A kind of multi-functional trolley
CN104863621B (en) Integrated device is transported in roadway support
CN202055821U (en) Two-arm top slope anchor rod and anchor rope construction drill wagon with movable lifting platform
CN205955762U (en) Temporary support visits temporary support device of frame with preceding spy frame and before using this
CN208831028U (en) A kind of colliery tunnel support equipment
CN206957709U (en) Using the pick anchoring integral fully-mechanized digging machine of 4 advanced Anchor Cares of jumbolter
CN109763853A (en) A kind of door frame Anchor Care machine
CN204200257U (en) A kind of colliery driving suspension device
CN104018869B (en) Advance timbering suspension device
CN202767978U (en) Rotatable telescopic cutting device of comprehensive mechanical rock lane tunneling unit

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170215

Termination date: 20200826