CN108678792A - A kind of movable support rib slab supporting structure in tunnel - Google Patents
A kind of movable support rib slab supporting structure in tunnel Download PDFInfo
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- CN108678792A CN108678792A CN201810979842.4A CN201810979842A CN108678792A CN 108678792 A CN108678792 A CN 108678792A CN 201810979842 A CN201810979842 A CN 201810979842A CN 108678792 A CN108678792 A CN 108678792A
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- overhead gage
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Classifications
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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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
- E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The present invention discloses a kind of movable support rib slab supporting structure in tunnel,Overhead gage one end is hinged with top shaft and the other end and side shaft are affixed or hinged,Side shield upper end is affixed or hinged with side shaft,The overhead gage that top shaft is arranged along tunnel extending direction and both sides are hinged is at inverted " u "-shaped or " Λ " shape,Shrapnel both sides are affixed with the overhead gage lower surface of both sides respectively,Positive stop spring plate is in " C " shape and set on overhead gage lower surface and side shield medial surface,Positive stop spring plate side and overhead gage or side shield are affixed,Side shaft both ends are hinged with two-side elastic constrictor compression end respectively,Elastic compression bar fixing end and branch are column articulated,Reflexive support mechanism both ends are connect with the fixing end of elastic compression bar and pillar respectively,The pillar other end is set on roadway floor,Pillar supporting mechanism one end and pillar are affixed or are hinged and pillar is made to be supported in roadway floor or affixed with wall.The present invention is capable of " the roof fall wall caving " of effective protection mine working or provisional traffic tunnel.
Description
Technical field
The invention belongs to Roadway Support Technology fields, and in particular to one kind is simple in structure, the construction period is short, repeatable utilization
The movable support rib slab supporting structure in the good tunnel of " roof fall wall caving " protection effect.
Background technology
Roof fall wall caving refer to mine, tunnel, culvert excavate, during lining cutting because of excavation, inspection, processing float stone or supporting not
At the top of, tunnel or side wall country rock by concussion of blasting, outer force-disturbance, buckling, Stress relieving of surrounding rocks when sillar it is unexpected
Collapse the accident for falling and being damaged to operating personnel.Work surface, the phenomenon that collapses of tunnel side wall are known as wall caving, and top is caving title
For roof fall.
Underground metal or non-metal mine belong to high risk industries, wherein " roof fall wall caving " is dangerous maximum, generation frequency
One of highest safety accident of rate, accounts for about 40% or more of mining accident.Currently, preventing and underworkings being protected " to emit top flat
The measure of side " safety accident（Or support pattern）Mainly there is tunnel integral concrete to pour supporting, section-steel support, Bolt net and jet
Concrete supporting, plain concrete ejection supporting etc..Although above-mentioned support pattern can effectively prevent and protect " roof fall wall caving " substantially,
But there is also tedious process, the duration compared with long, labor intensity is big, cost is high, can not or be difficult to reuse the shortcomings that.It is special
It is not the trapezoidal rigid support supporting of widely used I-steel, since rigid support is unable to the displacement of suitable for surrounding rock, and nothing
Mechanical resistance stops the deformation of country rock, it is difficult to avoid causing deformation and failure because overloading supporting.Therefore, for underground mines rigid support
Supporting can neither form tunnel long-acting support, and when causing " roof fall wall caving " due to the standoff gap of rigid support supporting
It is difficult to form effective protection, it is necessary to which auxiliary is protected using ancillary measures such as anchor net, whitewashings, causes underground must scene
Gradually construction could form complete supporting construction so that long construction period, labor intensity are big, and holder and anchor net etc. can not
Recycling, causes overall cost higher.
Invention content
The present invention is in view of the problems of the existing technology and insufficient, provide it is a kind of it is simple in structure, the construction period is short, can weigh
It is multiple to utilize and the movable support rib slab supporting structure in the good tunnel of " roof fall wall caving " protection effect.
The invention is realized in this way：Including overhead gage, side shield, top shaft, side shaft, shrapnel, positive stop spring plate, elasticity
Constrictor, reflexive support mechanism, pillar, pillar supporting mechanism, described overhead gage one end is hinged with top shaft and the other end and side
Shaft is fixedly connected or is hinged, and the upper end of the side shield is fixedly connected or is hinged with side shaft, and the top shaft is prolonged along tunnel
Stretch direction setting and the hinged overhead gage in both sides form inverted " u "-shaped or " Λ " shape, the shrapnel both sides respectively with top shaft both sides
The lower surface of hinged overhead gage is fixedly connected, and the positive stop spring plate is in " C " shape structure and is set to the upper gear of side shaft connection
Plate lower surface and side shield medial surface, the inner surface of the lower surface or side shield of the positive stop spring plate side and overhead gage, which is fixed, to be connected
It connects, the both ends of the side shaft are hinged with the compression end of the elastic compression bar of both sides respectively, the fixing end of the elastic compression bar
Hinged with one end of pillar, the both ends of the reflexive support mechanism connect with one end of the fixing end of elastic compression bar and pillar respectively
It connects, the other end of the pillar far from reflexive support mechanism connecting pin is set on roadway floor, and the reflexive support mechanism can
The fixing end opposite legs expansion of elastic compression bar, pillar supporting mechanism one end and branch are supported by the elastic torsion of itself
Column is fixedly connected or is hinged and pillar is made to be supported in roadway floor or be fixedly connected with wall.
The present invention has the advantages that compared with prior art：
1, the present invention connects the overhead gage of both sides by pushing up shaft, and then overhead gage connects side shield by side shaft, most rear side
The both ends of shaft pass sequentially through elastic compression bar respectively, reflexive support mechanism connect with the pillar on roadway floor to be formed one it is whole
Body slows down significantly so as to make the rock that tunnel " roof fall " is fallen gently fall on overhead gage and tilt landing to tunnel both sides
Acceleration of gravity when rock is fallen reduces the impact force of " roof fall " rock；And stopped by side shield, it can prevent from falling to
The rock of tunnel both sides rolls among tunnel, to effectively avoid the generation of " roof fall wall caving " casualty accident.
2, the present invention in the lower surface of overhead gage by being arranged shrapnel, when tunnel occurs " roof fall " and falls rock,
Shrapnel can be made to deform under rock gravity so that the overhead gage of rock side is rotated and moved down and other side overhead gage around top shaft
It is motionless or rotate and move up so that the overhead gage gradient of rock side increase and conducive to the landing of rock, and in shrapnel
Under effect, after fall of rocks the overhead gage self recovery of both sides to normal condition, to the operating personnel in tunnel provide compared with
Good protective effect.
3, the present invention can occur " wall caving " in tunnel and fall rock by the way that positive stop spring plate is arranged between overhead gage and side shield
Shi Shi, side shield forms certain rock to rotation on the inside of tunnel and falls space under rock gravity, and positive stop spring plate
Flexible deformation resistance can prevent side shield lower part excessive to rotation angle on the inside of tunnel and injure the personnel in tunnel, and limit
Under the elastic force effect of position shrapnel, rock falls rear side baffle self recovery to normal condition, to the operating personnel in tunnel
Preferable protective effect is provided.
4, the present invention does not carry out permanence Gravity support to tunnel rock stratum（It is different from steel arch-shelf Gravity support formula supporting knot
Structure）, therefore it is prefabricated to can be used high-strength light, and generally modular construction can remove continuation and exist after tunnel is discarded
Other places use, and are not only simple in structure, are easy to make, repeatable utilization, and are convenient for scene transport, storage, pacify installation and dismantling
It unloads.
5, limit pull rod is arranged in overhead gage lower surface and side shield medial surface in the present invention, or limit is arranged on the outside of the shaft of side
Position plate, to when " roof fall " accident occurs for back, control side shield during fall of rocks with perpendicular to ground or slightly
It is micro- to inclined mode on the outside of tunnel be moved downward to ground formed support, prevent side shield with larger angle is inclined outwardly and
Side shaft end forms indent with overhead gage and is damaged to personnel in tunnel.
6, the present invention according to actual needs can set elastic compression bar to elastic quill or hydraulic strut I, also may be used
To set reflexive support mechanism to torque spring or hydraulic strut II, and whether there is or not want greatly very much according to drift section headroom size
It asks, the triangular support configurations of pillar can be cancelled, be fixed in such a way that lateral anchor pole fixes pillar, improve the present invention
Adaptability.
7, the present invention by the range sensor that is installed in tunnel to the real-time prison of the overhead gage or side shield certain point
It surveys, binding signal transmission cable, alarm or monitor（Containing PLC chip）Etc. equipment, you can realization " top flat is emitted to underworkings
The remote alarms of side " accident and in real time monitoring can be that underground mines landscape security pattern brings revolutionary change.
Therefore, stress science of the present invention, it is safe and reliable, it is applied widely, it is particularly suitable for underground metal or nonmetallic ore
Most of existing supporting pattern of underground mines both at home and abroad can be changed in the supporting in mountain tunnel, can effectively prevent underworkings, interim
Property traffic tunnel etc. " roof fall wall caving " accident occurs, have that simple in structure, the construction period is short, repeatable usability is high and " roof fall
The good feature of wall caving " protection effect.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the structural schematic diagram containing limit pull rod of the present invention；
Fig. 3 is the plate structure schematic diagram containing limit of the present invention；
Fig. 4 deforms schematic diagram when being " roof fall " falling rocks of the present invention；
Fig. 5 is the elastic quill attachment structure schematic diagram of the present invention；
In figure：1- overhead gages, 2- side shields, the tops 3- shaft, the sides 4- shaft, 5- shrapnels, 6- positive stop spring plates, 7- elastic compression bars,
7A- sleeves, 7B- high elastic force springs, 7C- constrictors, 8- hydraulic struts II, 8A- torque springs, 8B- hydraulic struts II, 9- branch
Column, 10- pillar supporting mechanisms, 10A- gusseted bars, 10B- transverse direction fixed links, the longitudinally fixed bars of 10C-, 10D- anchor poles, 11-
Limit pull rod, 11A- upper limit bars, 11B- lower limit bars, 12- limiting plates, 13- monitoring systems, 13A- range sensors, 13B-
Long-distance alarm apparatus, 13C- signal-transmitting cables, 14- clump weights, 15- fixing bolts, 16- walls, 17- roadway floors, the lanes 18-
Road ditch, 19- falling rocks.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples, but is not subject in any way to the present invention
Limitation, be based on present invention teach that made by any changes and modifications, all belong to the scope of protection of the present invention.
As shown in Fig. 1 to 5, the present invention includes overhead gage 1, side shield 2, top shaft 3, side shaft 4, shrapnel 5, positive stop spring plate
6, elastic compression bar 7, reflexive support mechanism 8, pillar 9, pillar supporting mechanism 10,1 one end of the overhead gage and top shaft 3 are hinged
And the other end is fixedly connected or is hinged with side shaft 4, the upper end of the side shield 2 is fixedly connected or is hinged with side shaft 4, described
It pushes up the overhead gage 1 that shaft 3 is arranged along tunnel extending direction and both sides are hinged and forms inverted " u "-shaped or " Λ " shape, 5 both sides of the shrapnel
The lower surface of the overhead gage 1 hinged with top 3 both sides of shaft is fixedly connected respectively, and the positive stop spring plate 6 is in " C " shape structure and is arranged
In 1 lower surface of overhead gage that side shaft 4 connects and 2 medial surface of side shield, the following table of the positive stop spring plate 6 side and overhead gage 1
The inner surface of face or side shield 2 is fixedly connected, the both ends of side shaft 4 compression end with the elastic compression bar 7 of both sides respectively
Hinged, the fixing end of the elastic compression bar 7 is hinged with one end of pillar 9, the both ends of the reflexive support mechanism 8 respectively with bullet
Property the fixing end of constrictor 7 and one end connection of pillar 9, the other end of the pillar 9 far from 8 connecting pin of reflexive support mechanism set
It is placed on roadway floor, the reflexive support mechanism 8 can support the fixing end phase of elastic compression bar 7 by the elastic torsion of itself
Pillar 9 is unfolded, described 10 one end of pillar supporting mechanism is fixedly connected or is hinged with pillar 9 and pillar 9 is made to be supported in tunnel bottom
Plate is fixedly connected with wall.
The invention also includes the limit pull rods of 1 lower surface of overhead gage and 2 medial surface of side shield that are set to the connection of side shaft 4
11, the limit pull rod 11 includes the upper limit bar 11A being hinged and lower limit bar 11B, the upper limit bar 11A far from hinge
The other end for connecing end is hinged with overhead gage 1, and the other ends of the lower limit bar 11B far from hinged end is hinged with side shield 2.
The invention also includes the limiting plate 12 for being set to 4 outside of side shaft, 12 one end of the limiting plate is fixed with overhead gage 1
Connection and the other end are vertically arranged at the lateral surface of side shield 2.
The overhead gage 1 includes the upper skeleton along the spaced and parallel setting of tunnel extending direction, fixation and is covered in upper skeleton
Upper cover plate, the both ends of the upper skeleton are hinged with top shaft 4 and side shaft 5 respectively, and the side shield 2 includes extending along tunnel
Side skeleton, fixation and the side cover plate for being covered in side skeleton that direction interval is vertically arranged, upper end and the side shaft 5 of the side skeleton
It is hinged.
The upper skeleton and/or side skeleton are aluminium alloy, stainless steel or zinc-plated, chromium plating angle steel, square steel, I-steel or steel
Pipe, steel plate that the upper cover plate and/or side cover plate are a plane or an arc surface, aluminium alloy plate, nylon sheet, PVC board, glass mat,
Carbon fiber board.
The elastic compression bar 7 is elastic quill or hydraulic strut I, and the reflexive support mechanism 8 is torque spring
8A, II 8B of hydraulic strut or torsion shrapnel；The hydraulic strut I includes the sleeve 7A of side windowing, is set in sleeve 7A
Hydraulic stem I, I one end of the hydraulic stem is hinged with side shaft 4 and the other end is fixedly connected with sleeve 7A, and the sleeve 7A is far from side
One end of 4 hinged end of shaft is hinged with pillar 9.
The elasticity quill includes the sleeve 7A of side windowing, the high elastic force spring 7B being set in sleeve 7A, set
It is connected in high elastic force spring 7B and flange end face and the constrictor 7C, the constrictor 7C of high elastic force spring 7B one end fits is separate
One end of high elastic force spring 7B is hinged with side shaft 4, the one end of the sleeve 7A far from the hinged ends constrictor 7C with pillar 9
It is hinged.
The torque spring 8A stretch into one end sleeve 7A inner wall or outer diameter and be fixedly connected with sleeve 7A or end face limit,
The other end stretches into the outer diameter of pillar 9 or relies on the inside of pillar 9 and be fixedly connected with pillar 9 or end face limit；The torsion bullet
The both ends of piece are fixedly connected with sleeve 7A and pillar 9 respectively；The both ends of II 8B of the hydraulic strut respectively with sleeve 7A and pillar 9
It is hinged.
The pillar supporting mechanism 10 includes triangular support mechanism and/or anchor support mechanism, the triangular support mechanism
Including gusseted bar 10A, lateral fixed link 10B, longitudinally fixed bar 10C, described one end gusseted bar 10A is solid with pillar 9
Fixed connection and the other end are set on roadway floor and are formed three-legged structure, the both ends of the transverse direction fixed link 10B respectively with branch
Column 9 and gusseted bar 10A are fixedly connected, and the longitudinally fixed bar 10C is at least arranged extremely with along tunnel extending direction respectively
The gusseted bar 10A and/or transverse direction fixed link 10B of few two triangular support mechanisms are fixedly connected；The anchor support mechanism
Including anchor pole 10D, the one end the anchor pole 10D is anchored in wall and the other end is hinged or is fixedly connected with pillar 9.
The invention also includes monitoring system 13, the monitoring system 13 include be set to wall and with overhead gage 1 or side
2 corresponding range sensor 13A of baffle, the long-distance alarm apparatus 13B, the range sensor 13A for being set to distal end pass through signal
Transmission cable is connect with long-distance alarm apparatus 13B.
The lower part of the side shield 2 is fixedly installed clump weight 14.
Operation principle and the course of work of the present invention：
The present invention connects the overhead gage of both sides by pushing up shaft, and then overhead gage connects side shield by side shaft, and most rear side turns
The both ends of axis pass sequentially through elastic compression bar respectively, reflexive support mechanism connect with the pillar on roadway floor to be formed one it is whole
Body slows down significantly so as to make the rock that tunnel " roof fall " is fallen gently fall on overhead gage and tilt landing to tunnel both sides
Acceleration of gravity when rock is fallen reduces the impact force of " roof fall " rock；And stopped by side shield, it can prevent from falling to
The rock of tunnel both sides rolls among tunnel, to effectively avoid the generation of " roof fall wall caving " casualty accident；By in overhead gage
Lower surface shrapnel is set, " roof fall " occurs when falling rock in tunnel, shrapnel can be made to deform under rock gravity, made
The overhead gage of rock side is rotated around top shaft and is moved down and other side overhead gage is motionless or rotate and move up so that rock
The overhead gage gradient of side increases and is conducive to the landing of rock, and under the action of shrapnel, the overhead gage of both sides after fall of rocks
Self recovery is to normal condition, to provide preferable protective effect to the operating personnel in tunnel；By in overhead gage and side
Positive stop spring plate is set between baffle, can be when tunnel occur " wall caving " and falls rock, side shield is to lane under rock gravity
Rotation forms certain rock and falls space on the inside of road, and the flexible deformation resistance of positive stop spring plate can prevent side shield lower part to
Tunnel inside rotation angle is excessive and injures the personnel in tunnel, and under the effect of the elastic force of positive stop spring plate, rock falls rear side
Baffle self recovery is to normal condition, to provide preferable protective effect to the operating personnel in tunnel；The lanes Bu Dui of the present invention
Road rock stratum carries out permanence Gravity support（It is different from steel arch-shelf Gravity support formula supporting construction）, therefore high strength light proximate matter can be used
Expect prefabricated, and generally modular construction, after tunnel is discarded, continuation can be removed and used elsewhere, not only structure letter
List is easy to make, repeatable utilization, and is transported, storage, mounted and dismounted convenient for scene.Further, in overhead gage lower surface
Limit pull rod is set with side shield medial surface, or limiting plate is set on the outside of the shaft of side, to which " roof fall " occur in back
Side shield is controlled when accident, during fall of rocks by perpendicular to ground or slightly towards moving down in a manner of inclined on the outside of tunnel
It is formed and is supported to ground, prevent side shield with larger angle is inclined outwardly and forms indent to tunnel at side shaft end and overhead gage
Interior personnel damage.Further, according to actual needs elastic compression bar can be set to elastic quill or hydraulic pressure support
Bar I, can also set reflexive support mechanism to torque spring or hydraulic strut II, and according to drift section headroom size whether there is or not
Too big requirement can cancel the triangular support configurations of pillar, be fixed, improve in such a way that lateral anchor pole fixes pillar
The adaptability of the present invention.Further, by the range sensor that is installed in tunnel to the overhead gage or side shield certain point
Real-time monitoring, binding signal transmission cable, alarm or monitor（Containing PLC chip）Etc. equipment, you can realize to underground lane
The remote alarms of road " roof fall wall caving " accident and in real time monitoring can be that underground mines landscape security pattern brings revolutionary change.It is comprehensive
Upper described, stress science of the present invention is safe and reliable, applied widely, is particularly suitable for underground metal or non-metal mine tunnel
Supporting, most of existing supporting pattern of underground mines both at home and abroad can be changed, can effectively prevent underworkings, provisional traffic
" roof fall wall caving " accident occurs for tunnel etc., with structure is simple, the construction period is short, repeats utilization and " roof fall wall caving " protection effect
Good feature.
As shown in Fig. 1 to 5, in tunnel, roadway floor 17 or roadway ditch 18 are stood in the both sides interval setting of extending direction
Pillar 9, to prevent pillar 9 from toppling over to tunnel inside, for drift section headroom size without too big the case where requiring, 9 bottom of pillar
Portion forms triangular support configurations by the triangle strut 10A and lateral fixed link 10B of bottom, passes through longitudinal direction between adjacent struts 9
Fixed link 10C is fixedly connected, and is supported on roadway floor to make pillar 9 securely erect；And for lane big as possible need to be kept
The case where road cross-section, then can be used cement mortar, resin anchor or pipe seam anchor bar and make the anchor pole for being anchored in wall
Then anchor pole 10D is hinged or is fixedly connected with pillar 9, while cancelling the triangular support configurations of 9 bottom of pillar by 10D.According to lane
Different size, shape can be used in road practical service environment and situation（Such as H-type, T-type）Shaped steel, aluminium alloy extrusions, titanium alloy
Proximate matter or other intensity is high, light-weight material, and the upper skeleton of overhead gage 1 is fabricated to planar shaped or arc, and by side shield 2
Side skeleton be fabricated to planar shaped；Then steel plate, aluminium alloy plate, nylon sheet, PVC board, the glass fibre of plane or cambered surface are used
The materials such as plate, carbon fiber board make the upper cover plate of overhead gage 1 and the side cover plate of side shield 2, are then fixed on respectively with bolt 15
On upper skeleton and side skeleton, upper skeleton both ends are hinged with top shaft 3 and side shaft 4 respectively, and side skeleton upper end is cut with scissors with side shaft 4
It connects.Shrapnel 5 and limit are made using high resiliency, fatigue resistance elastic alloy steel disc or nylon high, with antirust, anti-corrosive performance
Then position shrapnel 6 uses fastening bolt 15 that shrapnel 5 is respectively arranged in two upper skeletons of top 3 both sides overhead gage 1 of shaft, and
One is installed on skeleton on each pair.Usually shrapnel 5 plays support upper skeleton, makes total expansion in outstanding shield state
Effect, and when tunnel generation " roof fall " falls sillar, it can make shrapnel 5 that elasticity occur downwards by the gravity of rock itself and become
Shape causes bone plate structure stress one to be sloped downwardly, to allow the quick slide guide of sillar to fall to tunnel both sides.Wait for that rock falls
Fall makes upper skeleton rebound restore to continue the safety for protecting tunnel to pass through personnel to original state further through its own elasticity.In side
Positive stop spring plate 6 is set between the side skeleton and upper skeleton of baffle 2, the connection of upper skeleton or side skeleton is installed on using fastening bolt 15
Locate, one is installed on every a pair of skeleton.When " wall caving " accident fall of rocks occurs for tunnel, limitation side shield 2 is excessively into tunnel
Side oscillation hurts the effect of operating personnel, while limiting and rock is made to fall on the two sides of tunnel.And it is being installed on upper bone
Limiting plate 12 of the frame with side skeleton junction fixed setting limit pull rod 11 or in 4 outside of side shaft " is emitted in back generation
Top " accident and during fall of rocks, limit pull rod 11 or limiting plate 12 can control side shield 2 with perpendicular to ground or slightly towards
Inclined mode is moved downward to ground and forms support on the outside of tunnel, prevent side shield with larger angle to tilting on the outside of tunnel and
Indent is formed at side shaft end and overhead gage to damage the personnel among tunnel.It is arranged as required to similar to shock absorber
Elastic quill cuts with scissors the both ends of side shaft 4 and the one end of constrictor 7C far from high elastic force spring 7B of elastic quill
Connect, and the one end of sleeve 7A far from the hinged ends constrictor 7C be hinged with pillar 9, play the entire side shield of support 2 with top
Divide and hangs vertical effect；Hydraulic strut I can also be used to replace the high elastic force spring 7B in elastic quill and constrictor 7C real
Now hang vertical effect.Torque spring or hydraulic strut II are set between hinged sleeve 7A and pillar 9 as needed, it will be high-elastic
Sleeve 7A inner walls are stretched into property, antifatigue, antirust, anti-corrosive torque spring one end, and one end relies on pillar 9, passes through torque spring
The elastic torsion stop sleeve 7A opposite legs 9 of itself are unfolded, when " roof fall wall caving " fall of rocks occurs for tunnel, torsion
Spring is toppled over sleeve 7A to tunnel inside, again restores entire sleeve 7A structure rebounds supported above extremely after fall of rocks
Original state；Also can be hinged with hydraulic strut II between pillar 9 and sleeve 7A according to actual needs, play supporting sleeve
Cylinder 7A props up the effect of total body upwards.Can distance be installed additional in tunnel both sides according to actual needs（Position）Sensor
13A, by the distance for monitoring 2 corresponding certain point of overhead gage 1 or side shield in real time（Position）In tunnel " roof fall occurs for situation
Wall caving " accident and when overhead gage 1 or 2 position of side shield being made to shift, the long-distance alarm apparatus 13B of distal end alarms（Prison
It surveys）, realize underground mines（Tunnel）Intelligence, the long-range alarm of " roof fall wall caving "（Monitoring）.Distance（Position）Sensor 13A
It is set as the sensor with certain time-delay and investigative range.Accidentally because of downhole blasting vibrations, vehicular traffic, personnel etc.
The wiping of generation is touched, and can cause baffle that small-scale swing occurs, therefore sensor is needed to have certain investigative range；In addition because of gear
Plate can quickly be rebounded back original state after fall of rocks by shrapnel, have a self- recoverage characteristic, therefore the generality that tunnel occurs
Sillar, which falls situation, will not cause sensor and send out alarm signal（I.e. sensor has the function of delayed alarm）.Only work as tunnel
Occur larger " roof fall wall caving " accident sillar be stuck among baffle can not voluntarily fall or baffle by other external force destroy not can from
Row restores, and exceeds sensor detection time and investigative range, can just send out alarm signal.
Claims (10)
1. a kind of movable support rib slab supporting structure in tunnel, it is characterised in that including overhead gage（1）, side shield（2）, top turn
Axis（3）, side shaft（4）, shrapnel（5）, positive stop spring plate（6）, elastic compression bar（7）, reflexive support mechanism（8）, pillar（9）, branch
Column supporting mechanism（10）, the overhead gage（1）One end and top shaft（3）The hinged and other end and side shaft（4）Be fixedly connected or
It is hinged, the side shield（2）Upper end and side shaft（4）It is fixedly connected or hinged, the top shaft（3）Along tunnel extending direction
It is arranged and overhead gage that both sides are hinged（1）Form inverted " u "-shaped or " Λ " shape, the shrapnel（5）Both sides respectively with top shaft（3）Two
The hinged overhead gage in side（1）Lower surface be fixedly connected, the positive stop spring plate（6）In " C " shape structure and it is set to side shaft（4）
The overhead gage of connection（1）Lower surface and side shield（2）Medial surface, the positive stop spring plate（6）Side and overhead gage（1）Lower surface
Or side shield（2）Inner surface be fixedly connected, the side shaft（4）Both ends respectively with the elastic compression bar of both sides（7）Pressure
Contracting end is hinged, the elastic compression bar（7）Fixing end and pillar（9）One end it is hinged, the reflexive support mechanism（8）Two
End respectively with elastic compression bar（7）Fixing end and pillar（9）One end connection, the pillar（9）Far from reflexive support mechanism
（8）The other end of connecting pin is set on roadway floor, the reflexive support mechanism（8）It can be supported by the elastic torsion of itself
Elastic compression bar（7）Fixing end opposite legs（9）Expansion, the pillar supporting mechanism（10）One end and pillar（9）It is fixed to connect
It connects or is hinged and make pillar（9）It is supported in roadway floor or is fixedly connected with wall.
2. the movable support rib slab supporting structure in tunnel according to claim 1, it is characterised in that further include being set to side
Shaft（4）The overhead gage of connection（1）Lower surface and side shield（2）The limit pull rod of medial surface（11）, the limit pull rod（11）
Including the upper limit bar being hinged（11A）And lower limit bar（11B）, the upper limit bar（11A）It is another far from hinged end
End and overhead gage（1）It is hinged, the lower limit bar（11B）The other end and side shield far from hinged end（2）It is hinged.
3. the movable support rib slab supporting structure in tunnel according to claim 1, it is characterised in that further include being set to side
Shaft（4）The limiting plate in outside（12）, the limiting plate（12）One end and overhead gage（1）It is fixedly connected and the other end is vertically arranged
In side shield（2）Lateral surface.
4. according to the movable support rib slab supporting structure in the tunnel of claim 1,2 or 3, it is characterised in that the overhead gage
（1）Include the upper skeleton along the spaced and parallel setting of tunnel extending direction, fixation and the upper cover plate for being covered in upper skeleton, the upper bone
The both ends of frame respectively with top shaft（4）And side shaft（5）It is hinged, the side shield（2）Including perpendicular along tunnel extending direction interval
Side skeleton, fixation and the side cover plate for being covered in side skeleton being directly arranged, upper end and the side shaft of the side skeleton（5）It is hinged.
5. the movable support rib slab supporting structure in tunnel according to claim 4, it is characterised in that the elastic compression bar
（7）For elastic quill or hydraulic strut I, the reflexive support mechanism（8）For torque spring（8A）, hydraulic strut II（8B）
Or torsion shrapnel；The hydraulic strut I includes the sleeve of side windowing（7A）, be set to sleeve（7A）Interior hydraulic stem I, it is described
I one end of hydraulic stem and side shaft（4）The hinged and other end and sleeve（7A）It is fixedly connected, the sleeve（7A）Far from side shaft
（4）One end of hinged end and and pillar（9）Be hinged；The hydraulic strut II（8B）Both ends respectively with sleeve（7A）And pillar
（9）It is hinged.
6. the movable support rib slab supporting structure in tunnel according to claim 5, it is characterised in that the elasticity movable sleeve
Cylinder includes the sleeve of side windowing（7A）, be set to sleeve（7A）Interior high elastic force spring（7B）, be socketed on high elastic force spring
（7B）Interior and flange end face and high elastic force spring（7B）The constrictor of one end fits（7C）, the constrictor（7C）Far from high-tension
Spring（7B）One end and side shaft（4）It is hinged, the sleeve（7A）Far from constrictor（7C）One end of hinged end and and pillar
（9）Be hinged.
7. the movable support rib slab supporting structure in tunnel according to claim 5, it is characterised in that the torque spring
（8A）Sleeve is stretched into one end（7A）Inner wall or outer diameter and and sleeve（7A）It is fixedly connected or end face limit, the other end stretches into pillar
（9）Outer diameter or rely on pillar（9）Inside and and pillar（9）It is fixedly connected or end face limits；The both ends of the torsion shrapnel
Respectively with sleeve（7A）And pillar（9）It is fixedly connected；The hydraulic strut II（8B）Both ends respectively with sleeve（7A）And pillar
（9）It is hinged.
8. the movable support rib slab supporting structure in tunnel according to claim 4, it is characterised in that the pillar supports machine
Structure（10）Including triangular support mechanism and/or anchor support mechanism, the triangular support mechanism includes gusseted bar（10A）、
Lateral fixed link（10B）, longitudinally fixed bar（10C）, the gusseted bar（10A）One end and pillar（9）It is fixedly connected and separately
One end is set on roadway floor and is formed three-legged structure, the transverse direction fixed link（10B）Both ends respectively with pillar（9）And three
Angle supporting rod（10A）It is fixedly connected, the longitudinally fixed bar（10C）Respectively at least be arranged along tunnel extending direction at least two
The gusseted bar of a triangular support mechanism（10A）And/or lateral fixed link（10B）It is fixedly connected；The anchor support mechanism
Including anchor pole（10D）, the anchor pole（10D）One end is anchored in wall and the other end and pillar（9）It is hinged or is fixedly connected.
9. the movable support rib slab supporting structure in tunnel according to claim 4, it is characterised in that further include monitoring system
（13）, the monitoring system（13）Including being set to wall and and overhead gage（1）Or side shield（2）Corresponding range sensor
（13A）, be set to the long-distance alarm apparatus of distal end（13B）, the range sensor（13A）Pass through signal-transmitting cable and long-range report
Alert device（13B）Connection.
10. the movable support rib slab supporting structure in tunnel according to claim 4, it is characterised in that the side shield（2）
Lower part be fixedly installed clump weight（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979842.4A CN108678792B (en) | 2018-08-27 | 2018-08-27 | Movable supporting bone plate supporting structure for roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979842.4A CN108678792B (en) | 2018-08-27 | 2018-08-27 | Movable supporting bone plate supporting structure for roadway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108678792A true CN108678792A (en) | 2018-10-19 |
| CN108678792B CN108678792B (en) | 2023-07-21 |
Family
ID=63816404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810979842.4A Active CN108678792B (en) | 2018-08-27 | 2018-08-27 | Movable supporting bone plate supporting structure for roadway |
Country Status (1)
| Country | Link |
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| CN (1) | CN108678792B (en) |
Cited By (4)
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|---|---|---|---|---|
| CN109973129A (en) * | 2019-04-13 | 2019-07-05 | 张亚歌 | Chamber support equipment and method for protecting support in a kind of Copper Mine tunnel |
| CN111101968A (en) * | 2019-12-29 | 2020-05-05 | 中铁二院工程集团有限责任公司 | Large karst cavity tunnel large deformation frame rock fall prevention structure and construction method |
| CN112096435A (en) * | 2020-09-23 | 2020-12-18 | 蒋明敏 | Large-span arch support structure for tunnel construction |
| CN114320464A (en) * | 2021-12-08 | 2022-04-12 | 华侨大学 | Tunnel segment joint early warning device and method |
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| CN114320464A (en) * | 2021-12-08 | 2022-04-12 | 华侨大学 | Tunnel segment joint early warning device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108678792B (en) | 2023-07-21 |
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