CN108798736A - A kind of lame advanced supporting disassembly system and its assembly and disassembly methods - Google Patents
A kind of lame advanced supporting disassembly system and its assembly and disassembly methods Download PDFInfo
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- CN108798736A CN108798736A CN201810732635.9A CN201810732635A CN108798736A CN 108798736 A CN108798736 A CN 108798736A CN 201810732635 A CN201810732635 A CN 201810732635A CN 108798736 A CN108798736 A CN 108798736A
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000009412 basement excavation Methods 0.000 claims abstract description 99
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 230000032258 transport Effects 0.000 abstract description 19
- 238000010276 construction Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001141 propulsive effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
- E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/60—Devices for withdrawing props or chocks
- E21D15/606—Devices for withdrawing props or chocks the props being moved systematically
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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)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of lame advanced supporting disassembly system and its assembly and disassembly methods, multiple excavation supports form lame advanced supporting in tunnel, system includes ground handling trolley and the stem stent-type hydraulic crane positioned at lame advanced supporting both ends and bracket at tail part formula hydraulic crane, and ground handling trolley is located at the lame advanced supporting and is formed by below supporting channel；Stem stent-type hydraulic crane is used to the excavation support of the lame advanced supporting end under disassembly status being lifted to ground handling trolley, ground handling trolley transports the excavation support disassembled to the region to be installed of lame advanced supporting tail portion, and the excavation support in region to be installed is carried out lifting installation by bracket at tail part formula hydraulic crane；Excavation support in the present invention recycles forward propulsion using detachable, avoids the support repeatedly to back and destroys, and advance support forward moving duty amount is small, and excavation support dismounting, Transport Safety are high.
Description
Technical field
The present invention relates to mine downhole operation technical fields, and in particular to a kind of lame advanced supporting disassembly system and its tears open
Dress method.
Background technology
Mine pit mining is to dig a series of roadways from ground to underground, and entire production process is in underground job, respectively
Kind implement, which is required for transporting in underground passage, to be installed and used.Due to being limited by the size and operation ring of mine laneway
Border requires, and the equipment such as common lifting, transport, installation, can not mostly use in mine underground passage in ground construction.Worker
Common tool in tunnel is exactly simple crowbar, hydraulic prop and chain block etc. to be made when lifting larger equipment
It is time-consuming and laborious with these simple tools.
It presses《Safety regulations in coal mine》Regulation, the crossheading of stope working surface of coal mines will have 20 meters of advance supports, and with working face
Push to adopt forward movement.Existing advance support pushes ahead main technical schemes and is divided into two kinds：One is excavation support sequences certainly
Shifting mode, that is, often promote a cycle, all excavation supports that must unload successively, move forward, support one forward with working face
Secondary, in use, all excavation supports are intended to continually unload, move, support this method, are caused instead to back
Multiple support, does a lot of damage to the self-bearing ability of tunnel rock mass, also, all excavation supports frequently move forward operation again
It is miscellaneous, heavy workload；Another kind is dismounting mode, is exactly constantly to be removed in tunnel close to working face end with the advance of the face
Last excavation support, and the front end for being carried to advance support section excavation support is installed.It is used in advance support
Lower section setting single track slide crane runway, single track sliding crane runway be mounted in connection both sides excavation support movable girder steel
On, the end excavation support that is disassembled, which by single track slides crane runway and is moved to tail portion, to be installed, and excavation support is in list
When being slided on rail sliding crane runway, movable girder steel can bear certain down force, can weaken excavation support and be pushed up to tunnel
The support of plate, while needing to tear open the excavation support of both sides and girder steel between two excavation supports and crane runway
Dress, labor intensity is big, and can have numerous difficulty of construction when lifting so that the shift time of excavation support is long, and efficiency is low, also gives
The personnel operated below advance support bring security risk.
Invention content
For the above deficiency in the prior art the exploitation of working face is improved quickly to form the advance support of working face
Efficiency simultaneously ensures progress personnel safety operation under advance support section, improves excavation support speed of advancement, the present invention provides one kind
Lame advanced supporting disassembly system and its assembly and disassembly methods.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
On the one hand, the present invention provides a kind of lame advanced supporting disassembly system, multiple excavation supports are formed in tunnel
Lame advanced supporting, stem stent-type hydraulic crane the system comprises ground handling trolley and positioned at lame advanced supporting both ends and
Bracket at tail part formula hydraulic crane, the ground handling trolley are located at the lame advanced supporting and are formed by below supporting channel；It is described
Stem stent-type hydraulic crane is used to the excavation support of the lame advanced supporting end under disassembly status being lifted to institute
It states on ground handling trolley, the ground handling trolley transports the excavation support disassembled to the lame advanced supporting tail portion
Excavation support in region to be installed is carried out lifting installation by region to be installed, the bracket at tail part formula hydraulic crane.
The excavation support includes supporting top beam and hydraulic vertical prop, and the hydraulic vertical prop is connected under the supporting top beam
Portion, the both ends of the supporting top beam are equipped with the lifting point for lifting.
The ground handling trolley is rail mounted transport vehicle, and the lower section of the lame advanced supporting, which is equipped with, supplies the ground transport
The track of vehicle sliding.
The stem stent-type hydraulic crane and bracket at tail part formula hydraulic crane respectively include supporting rack and are set to the support
Hydraulic jip on frame, support frame as described above upper end are equipped with the top support with the support of the back forming face of mine or multi-point support
Portion, the topmast support part form the adjustable connection of height with support frame as described above；One end of the Hydraulic jip is set to the topmast
On support part, the height of the Hydraulic jip in the vertical direction is less than the height of the topmast support part；The Hydraulic jip it is upper
A jack III is also fixed in side, and the jack III is fixedly connected with a hoist cable, and the hoist cable pile warp is set to the liquid
The pulley of arm end is pressed, and is formed and is lifted with the excavation support in disassembly status by a suspension hook.
The topmast support part is a beam structure；Support frame as described above is a hydraulic support comprising at least two hydraulic pressure branch
Column, the topmast support part are connect with the top of each hydraulic prop, and one end of the Hydraulic jip is set to the topmast
The downside of support part one end.
Support frame as described above further includes a pedestal, and the lower end of each hydraulic prop is fixed on the pedestal.
The lower position of topmast support part one end fixes single-revolution support, one end of the Hydraulic jip and the revolution
Rotatable connection is formed between support.
The lower position of topmast support part one end fixes single-revolution support, and the lower part of the revolving support is set with single-revolution
Frame is formed between the reversing frame and the revolving support and is rotatably connected；One end of the Hydraulic jip and the reversing frame phase
It is hinged, a telescopic supporting rod, the both ends difference of the telescopic supporting rod are additionally provided between the Hydraulic jip and the reversing frame
It is hinged with the Hydraulic jip and reversing frame, drive the telescopic supporting rod is flexible to make the Hydraulic jip with its hinged end for circle
The heart rotates on vertical plane.
On the other hand, the present invention also provides a kind of lame advanced supporting assembly and disassembly methods, the assembly and disassembly methods include as follows
Step：
Step 1: stem stent-type hydraulic crane and bracket at tail part formula hydraulic crane are respectively supported at lame advanced supporting both ends
Position, and respectively with back forming face support or multi-point support；
Step 2: the excavation support of lame advanced supporting stem is dismantled, it will be first by stem stent-type hydraulic crane
The excavation support in portion is lifted on ground handling trolley；
Step 3: starting ground handling trolley, the excavation support dismantled is transported to lame advanced supporting tail portion and waits pacifying
Fill region；
Step 4: the excavation support in region to be installed is sling assembling by bracket at tail part formula hydraulic crane forms tail portion
Excavation support；
Step 5: positioned at lame advanced supporting both ends stem stent-type hydraulic crane and bracket at tail part formula hydraulic crane respectively to
The distance that operating direction moves an excavation support；
Step 1 is repeated in step 5.
It is to reduce stem excavation support by hydraulic operation to carry out dismounting to the stem excavation support in the step 2
Highly, so that stem excavation support is reached the sling height of stem stent-type hydraulic crane, while being hung after excavation support is turned to 90 degree
On ground handling trolley；Hydraulic operation is carried out by treating the tail portion excavation support of installation region in the step 4, makes tail
Portion's excavation support is formed with back and is supported.
Technical solution of the present invention has the following advantages that：
A. a stem stent-type hydraulic crane and bracket at tail part formula is respectively set at the both ends of lame advanced supporting in the present invention
Hydraulic crane, two stent-type hydraulic cranes form with back support respectively, the excavation support of stem are reduced height first, so
Excavation support is sling by stem stent-type hydraulic crane afterwards, and is placed on the waggon of ground after being rotated by 90 °,
Ground handling trolley transports excavation support to the tail portion of lame advanced supporting, then by bracket at tail part formula hydraulic crane by transport vehicle
On excavation support be mounted on lame advanced supporting tail portion to back formed support；Ground transport is used in the present invention
Vehicle, excavation support tune fall after turning 90 degrees and are transported on ground handling trolley, supported by roadway floor, make the length side of excavation support
Be consistent to transporting direction, do not interfere with the safety of operating personnel, tear open, transport, dress mode it is simpler, it is more efficient.Wherein
Excavation support propulsion is recycled forward using detachable, avoid support repeatedly to back and destroy, and in the prior art
Single track sliding crane runway is arranged on supporting top beam to compare, ground handling trolley safe transportation, simplicity.
B. the present invention is fixed with the topmast support part with the support of back forming face or multi-point support in the upper end of supporting rack,
Hydraulic jip is installed on topmast support part simultaneously, the height of Hydraulic jip is made to be slightly below the height of topmast support part；When in use,
Forming face support or multi-point support between topmast support part and back, rather than hydraulic prop used in the prior art is local
Supporting way, supporting rack of the present invention are more stablized, even if the problem of partial fracture or injustice occurs in back, will not influence
Support degree between topmast support part and back allows supporting rack and topmast support part to lifting tunnel or work in range
Make space of planes and carry out supporting, ensures lifting space safety.Since the stability of strutting system of supporting rack can provide surely for Hydraulic jip
Fixed support, to ensure that the lifting performance of Hydraulic jip；In addition, stent-type hydraulic crane hoisting weight is big, operation is flexible, rises
It hangs and stablizes safety.
C. the present invention is on supporting rack by being provided with revolving support, while by one end of Hydraulic jip and revolving support shape
It is connected at relative rotation, by rotating hydraulic arm in the horizontal plane, Hydraulic jip lifting model is effectively increased so as to reach
The purpose enclosed.
D. in the case where not changing to back support degree, by the tearing open of excavation support, transport, fill three processes
Do mechanization operation may be implemented, substantially increase the supporting to excavation support and propulsive efficiency, reduce and crane is slided to single track
Track and both sides excavation support synchronize the workload of dismounting, reduce the labor intensity of operating worker, improve operational security,
Transport is set more to stablize.
Description of the drawings
It, below will be to needed in specific implementation mode in order to illustrate more clearly of the specific embodiment of the invention
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present invention, for this field
For those of ordinary skill, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram of lame advanced supporting disassembly system shown in the present invention；
Fig. 2 is structure top view shown in Fig. 1；
Fig. 3 is stent-type hydraulic crane structural front view provided by the present invention；
Fig. 4 is structure top view shown in Fig. 3；
Fig. 5 is revolving support and revolution frame connecting structure sectional view in Fig. 3；
Fig. 6 is back with the hydraulic crane supporting rack holding state figure under defect state.
Reference sign：
1- supporting racks
11- hydraulic props；12- pedestals；
2- Hydraulic jips
The main arms of 21-, 22- telescopic arms；
3- topmasts support part；
4- revolving supports
41- bearing inner races, 42- bearing outer rings；
5- circular shafts；6- reversing frames；7- telescopic supporting rods；8- support wheels；9- jack III；
10- hoist cables；20- suspension hooks；30- backs；The tunnels 40-；50- is recessed；
60- excavation supports
601- supporting top beams, 602- hydraulic vertical props；
70- ground handling trolleys；80- tracks；90- excavation supports to be installed；
A- lame advanced supportings；B- stem stent-type hydraulic cranes；C- bracket at tail part formula hydraulic cranes.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the present invention provides a kind of lame advanced supporting disassembly system, multiple excavation supports 60 exist
Lame advanced supporting A is formed in tunnel, disassembly system includes ground handling trolley 70 and the stem positioned at the both ends lame advanced supporting A
Stent-type hydraulic crane B and bracket at tail part formula hydraulic crane C, stem stent-type hydraulic crane B and bracket at tail part formula hydraulic crane C here are each
Setting one, ground handling trolley 70 are located at lame advanced supporting A and are formed by below supporting channel；Stem stent-type hydraulic crane B
The excavation support 60 of the ends lame advanced supporting A for will be under disassembly status is lifted to ground handling trolley 70, preferably
Ground will fall after 90 degree of rotations of the progress of supporting top beam 601 on excavation support 60 and be placed on ground handling trolley, and ground handling trolley 70 will
The excavation support 60 disassembled is transported to the region to be installed of the tail portions the lame advanced supporting A, bracket at tail part formula hydraulic crane C
Excavation support 60 in region to be installed is subjected to lifting installation.Ground handling trolley is used in the present invention, excavation support is on ground
Transported on transport vehicle, do not interfere with the safety of operating personnel, tear open, transport, dress mode it is simpler, it is more efficient.
Here excavation support 60 includes supporting top beam 601 and hydraulic vertical prop 602, and hydraulic vertical prop 602 is connected to branch support
The lower part of beam 601, by carrying out hydraulic regulation to hydraulic prop 602, you can supporting top beam is fallen or risen, supporting top beam
601 both ends are equipped with the lifting point for lifting.
Ground handling trolley 70 therein is preferably rail mounted transport vehicle, and the lower section ground of lame advanced supporting A, which is equipped with, to be supplied
The track 80 that ground handling trolley 70 slides, ground handling trolley 70 will be moved along track 80, and energy consumption is lower.
As shown in Fig. 3, Fig. 4 and Fig. 5, stem stent-type hydraulic crane B and bracket at tail part formula hydraulic crane C respectively include supporting rack
1 and the Hydraulic jip 2 that is set on supporting rack 1,1 upper end of supporting rack be equipped with the support of 30 forming face of back of mine or
The topmast support part 3 of multi-point support, topmast support part 3 form the adjustable connection of height with supporting rack 1；One end of Hydraulic jip 2 is set to
On the topmast support part 3, the height of Hydraulic jip 2 in the vertical direction is less than the height of topmast support part 3.The present invention is in supporting rack
1 upper end is fixed with the topmast support part 3 with the support of 30 forming face of back or multi-point support, while Hydraulic jip 2 being installed
In on topmast support part 3, the height of Hydraulic jip 2 is slightly below the height of topmast support part, and when in use, stent-type hydraulic pressure is placed in
In tunnel 40, make forming face support or multi-point support between topmast support part 3 and back 30, rather than employed in the prior art
Hydraulic prop local support mode, such support top support portion 3 is more stablized, even if there is the rupture or unequal of back 30
Be recessed 50 technical problems, will not influence the support degree between topmast support part 3 and back 30, makes supporting rack 1 and topmast
Support part 3 can ensure lifting space safety to lifting tunnel 40 or work space of planes progress supporting in range.Due to supporting rack
1 stability of strutting system can be that Hydraulic jip 2 provides stable support, to ensure that the lifting performance of Hydraulic jip 2.
Fig. 3 and topmast support part 3 shown in Fig. 4 are a panel construction, pass through four liquid in the downside of entire panel construction
Pillar 11 is pressed to carry out hinged support, one end of Hydraulic jip 2 is set to the downside of panel construction one end.Of course, it is possible to according to institute
The size of the supporting force of application increases or decreases the quantity of hydraulic prop 11, branch of the adjustment topmast support part 3 to back
Support.Here hydraulic prop is connect with hydraulic system, and hydraulic system is respectively adjusted the height of each hydraulic prop 11, from
And realize the support to topmast support part 3.When back 30 tilts not usually, topmast support part 3 is in the allowable range of supporting rack 1
Respective angles adjustment is carried out, realizes the powerful support of topmast support part 3；Structure as shown in Figure 6, in the tunnel of hydraulic crane installation site
There are a recess 50 on top plate 30,50 presence of being recessed does not influence the installation of topmast support part 3, and topmast support part as usual can be with here
In effective holding state, since the supporting force of four hydraulic props is applied to completely on topmast support part, panel construction
Topmast support part is well allocated supporting force, and there is no the excessive problems of by-local forces, contribute to protection band
Defective back improves safe construction coefficient.
In the case of back occurs damaged in lifting range, using longer topmast support part or panel is used
The topmast support part of structure can be very good to avoid damaged back, and it is on the line to avoid hydraulic crane.
In order to improve the stability and support validity of hydraulic support frame, supporting rack further includes a pedestal 12, each hydraulic pressure
The lower end of pillar 11 is fixed on pedestal 12.It is, of course, also possible to other auxiliary bodies are set on supporting rack, it is entire for improving
The stability of supporting rack, just repeats no more here.
As shown in figure 5, the present invention further fixes single-revolution support 4, hydraulic pressure in the lower position of 3 one end of topmast support part
It is formed and is rotatably connected between one end of arm 2 and revolving support 4, i.e., Hydraulic jip 2 makees rotation fortune with the central shaft of revolving support
It is dynamic, the very convenient movement when horizontal plane different location carries out construction operation.
The present invention further preferably fixes single-revolution support 4, revolving support 4 in the lower position of 3 one end of topmast support part
Lower part installation single-revolution frame 6, formed and be rotatably connected between reversing frame 6 and revolving support 4；One end of Hydraulic jip 2 and revolution
Frame 6 is hinged, and a telescopic supporting rod 7 is additionally provided between Hydraulic jip 2 and reversing frame 6, the both ends of telescopic supporting rod 7 respectively with
Hydraulic jip 2 and reversing frame 6 are hinged, and driving telescopic supporting rod 7 is flexible to make Hydraulic jip 2 using its hinged end be the center of circle in vertical plane
Upper rotation.The construction operation of different height position on same vertical plane can be quickly completed in tunnel.
Here preferred revolving support 4 is a bearing arrangement, as shown in Figure 5 comprising bearing inner race 41 and bearing outer ring
42, bearing inner race 41 is relatively fixed with the lower face of topmast support part 3 by circular shaft 5 and is connect, and bearing outer ring 42 is fixed with reversing frame 6
Connection, naturally it is also possible to be fixedly connected with bearing inner race with reversing frame, bearing outer ring is connect with topmast support part.Here can pass through
Manual actuation Hydraulic jip 2 moves, naturally it is also possible to the automatic rotation of Hydraulic jip is realized by driving mechanism.
Specific structure is as follows：
A circular shaft 5 is fixed in the downside of topmast support part, suit single-revolution supports 4 on circular shaft 5, the bearing of revolving support 4
Outer ring is fixedly connected with reversing frame 6, and bearing inner race is fixedly connected with circular shaft 5, and one end and the reversing frame 6 of Hydraulic jip 2 are hinged,
Be additionally provided with a telescopic supporting rod 7 between Hydraulic jip 2 and reversing frame 6, the both ends of telescopic supporting rod 7 respectively with Hydraulic jip 2 and
Reversing frame 6 is hinged, and driving telescopic supporting rod 7 is flexible to make Hydraulic jip 2 be rotated on vertical plane using its hinged end as the center of circle.Here
Telescopic supporting rod 7 be preferably jack I.It, can be easily to Hydraulic jip by driving the flexible of telescopic supporting rod 7
Sling height is adjusted, and realizes adjustment of the Hydraulic jip in two freedom degree directions of horizontal plane and vertical plane.
Hydraulic jip 2 in the present invention includes main arm 21 and telescopic arm 22, and one end and the reversing frame 6 of main arm 21 are cut with scissors
It connects, telescopic arm 22 is set in main arm 21, is equipped between main arm 21 and telescopic arm 22 and is stretched before and after telescopic arm 22 for driving
The jack II (not shown)s of contracting.Telescopic arm 22 can be stretched out or be retracted relative to main arm 21, drive suspension hook 20 opposite
Away from or approaching main arm 21, on aforementioned base, and the back-and-forth motion of telescopic arm is increased, to realize hydraulic crane at three
Adjustment in freedom degree direction.
The present invention further preferably fixes a jack III9 in the upper side of main arm 21, and jack III9 is hung with one
Rope 10 is fixedly connected, the end of 10 pile warp telescopic arm 22 of hoist cable, and is formed and lifted with required hoisting object by a suspension hook 20.Its
In flexible can drive of jack III9 relative displacement occurs between suspension hook and main arm 21, to realize to lifting by crane object
Move up and down.
Meanwhile the friction between hoist cable and main arm or telescopic arm in order to prevent, lifting tractive force is reduced, the present invention is stretching
The free end position of contracting arm 22 also further fixes a support wheel 8, after the wheel face of 10 pile warp support wheel 8 of hoist cable with required lifting object
Body forms lifting.By the way that support wheel 8 is arranged in the front end of main arm 21 or the front end of telescopic arm 22, support wheel 8 connects with hoist cable 10
It touches, acting on the overweight load in the outside on suspension hook 20 can be conducted by support wheel 8 to main arm 21, jack III drivings
Hoist cable 10, mobile drive support wheel 8 rotation of hoist cable 10, the rotation of support wheel 8 be reduced or eliminated hoist cable 10 and main arm 21 and
Frictional force between telescopic arm 22 improves the service life of hoist cable 10, keeps lifting object more laborsaving.
Lame advanced supporting assembly and disassembly methods employed in the present invention, include the following steps：
Step 1: stem stent-type hydraulic crane and bracket at tail part formula hydraulic crane are respectively supported at lame advanced supporting both ends
Position, and respectively with back forming face support or multi-point support；
Step 2: the excavation support of lame advanced supporting stem is dismantled, it will be first by stem stent-type hydraulic crane
The excavation support in portion is lifted on ground handling trolley；It is to reduce stem lane by hydraulic operation to carry out dismounting to stem excavation support
The height of road holder makes stem excavation support reach the sling height of stem stent-type hydraulic crane, while excavation support being turned round
It is lifted on ground handling trolley after 90 degree
Step 3: starting ground handling trolley, the excavation support dismantled is transported to lame advanced supporting tail portion and waits pacifying
Fill region；
Step 4: the excavation support in region to be installed is sling assembling by bracket at tail part formula hydraulic crane forms tail portion
Excavation support, then the tail portion excavation support by treating installation region carry out hydraulic operation, and tail portion excavation support is made to be pushed up with tunnel
Plate forms support
Step 5: positioned at lame advanced supporting both ends stem stent-type hydraulic crane and bracket at tail part formula hydraulic crane respectively to
The distance that operating direction moves an excavation support；
Above-mentioned steps one are repeated in step 5.
Specifically, as shown in Figure 1, multi rack excavation support 60 is effectively supported along roadway layout, to tunnel.Work as working face
After getting into forward, the excavation support needs in left side are removed, and excavation support first passes through hydraulic operation and is reduced to shelf-like to be removed
Then state uses the supporting top beam 601 of the stem stent-type hydraulic crane lifting excavation support in left side and hydraulic vertical prop 602 to wait components,
Be positioned over after excavation support is dismantled on ground handling trolley 70, ground handling trolley 70 under the action of external traction force before move right
It is in the right side of holding state excavation support to the last one, then operates the bracket at tail part formula hydraulic crane on right side by supporting top beam
The bracket components such as 601 and hydraulic vertical prop 602, which are sling, is assembled into excavation support 90 to be installed, then passes through the hydraulic pressure system of hydraulic vertical prop
System makes excavation support reach the state for supporting back.Finally, the two frame stent-type hydraulic cranes at tunnel both ends move right again,
Thereby realize the process that roadway support elapses to the right a frame distance.By to the tearing open of excavation support, transport, fill three processes can
To realize do mechanization operation, the supporting to excavation support and propulsive efficiency are substantially increased, reduces the labor intensity of operating worker,
Improve operational security.
Compared with prior art, when the excavation support of left end is successively dismantled in direction as shown in Figure 2, then one by one will
The excavation support of dismounting transports to tunnel right end and carries out installation support, according to existing hanger rail transportation technology to excavation support into
Row transmits to the right, and the safety effects that hanger rail intensity and hanger rail bonding strength transport excavation support are larger, and every frame holder is equal
There are at least two hitch points and tie point, there are more security risks, and hanger rail dismounting amount is big；The present invention exactly avoids this
Point, the excavation support disassembled are transported on the ground rail of tunnel by transport vehicle, are supported by roadway floor, safety
Height, holder dismounting, conevying efficiency are high, and labor intensity is low.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Variation is still in the protection scope of this invention.
Claims (10)
1. a kind of lame advanced supporting disassembly system, multiple excavation supports (60) form lame advanced supporting (A) in tunnel,
It is characterized in that, the stem stent-type hydraulic pressure the system comprises ground handling trolley (70) and positioned at the both ends lame advanced supporting (A)
(B) and bracket at tail part formula hydraulic crane (C) are hung, the ground handling trolley (70) is located at the lame advanced supporting (A) and is formed by
Below supporting channel；The stem stent-type hydraulic crane (B) will be for that will be in the lame advanced supporting (A) under disassembly status
The excavation support (60) of end is lifted on the ground handling trolley (70), the lane that the ground handling trolley (70) will disassemble
Road holder (60) is transported to the region to be installed of the tail portion the lame advanced supporting (A), and the bracket at tail part formula hydraulic crane (C) will
Excavation support (60) in region to be installed carries out lifting installation.
2. lame advanced supporting disassembly system according to claim 1, which is characterized in that the excavation support (60) includes
Supporting top beam (601) and hydraulic vertical prop (602), the hydraulic vertical prop (602) are connected to the lower part of the supporting top beam (601),
The both ends of the supporting top beam (601) are equipped with the lifting point for lifting.
3. lame advanced supporting disassembly system according to claim 2, which is characterized in that the ground handling trolley (70) is
Rail mounted transport vehicle, the lower section of the lame advanced supporting (A) are equipped with the track (80) slid for the ground handling trolley (70).
4. according to any lame advanced supporting disassembly systems of claim 1-3, which is characterized in that the stem stent-type
The hydraulic pressure that hydraulic crane (B) and bracket at tail part formula hydraulic crane (C) respectively include supporting rack (1) and be set on support frame as described above (1)
Arm (2), support frame as described above (1) upper end are equipped with the top support with the support of back (30) forming face of mine or multi-point support
Portion (3), the topmast support part (3) form the adjustable connection of height with support frame as described above (1)；One end of the Hydraulic jip (2) is set
It is placed on the topmast support part (3), the height of the Hydraulic jip (2) in the vertical direction is less than the topmast support part (3)
Highly；The upper side of the Hydraulic jip (2) also fixes a jack III (9), the jack III (9) and a hoist cable (10)
It is fixedly connected, hoist cable (10) pile warp is set to the pulley (8) of the Hydraulic jip (2) end, and passes through a suspension hook (20)
It is formed and is lifted with the excavation support (60) in disassembly status.
5. lame advanced supporting disassembly system according to claim 4, which is characterized in that the topmast support part (3) is one
Beam structure；Support frame as described above (1) is a hydraulic support comprising at least two hydraulic props (11), the topmast support part (3)
It is connect with the top of each hydraulic prop (11), one end of the Hydraulic jip (2) is set to the topmast support part (3) one
The downside at end.
6. lame advanced supporting disassembly system according to claim 5, which is characterized in that support frame as described above (1) further includes
The lower end of one pedestal (12), each hydraulic prop (11) is fixed on the pedestal (12).
7. lame advanced supporting disassembly system according to claim 5 or 6, which is characterized in that the topmast support part (3) one
The lower position at end fixes single-revolution support (4), is formed between one end and the revolving support (4) of the Hydraulic jip (2)
Rotatable connection.
8. lame advanced supporting disassembly system according to claim 5 or 6, which is characterized in that the topmast support part (3) one
The lower position at end fixes single-revolution support (4), the lower part suit single-revolution frame (6) of the revolving support (4), the reversing frame
(6) it is formed and is rotatably connected between the revolving support (4)；It is mutually cut with scissors with the reversing frame (6) one end of the Hydraulic jip (2)
It connects, a telescopic supporting rod (7), the telescopic supporting rod (7) is additionally provided between the Hydraulic jip (2) and the reversing frame (6)
Both ends it is hinged with the Hydraulic jip (2) and reversing frame (6) respectively, drive the telescopic supporting rod (7) is flexible to make the liquid
Pressure arm (2) is rotated using its hinged end as the center of circle on vertical plane.
9. a kind of lame advanced supporting assembly and disassembly methods, which is characterized in that the assembly and disassembly methods include the following steps：
Step 1: stem stent-type hydraulic crane and bracket at tail part formula hydraulic crane are respectively supported at lame advanced supporting both ends position
Set, and respectively with back forming face support or multi-point support；
Step 2: the excavation support of lame advanced supporting stem is dismantled, by stem stent-type hydraulic crane by stem
Excavation support is lifted on ground handling trolley；
Step 3: starting ground handling trolley, the excavation support dismantled is transported to the area to be installed of lame advanced supporting tail portion
Domain；
Step 4: the excavation support in region to be installed is sling the tunnel that assembling forms tail portion by bracket at tail part formula hydraulic crane
Holder；
Step 5: positioned at lame advanced supporting both ends stem stent-type hydraulic crane and bracket at tail part formula hydraulic crane respectively towards work
Move the distance of an excavation support in industry direction；
Step 1 is repeated in step 5.
10. lame advanced supporting assembly and disassembly methods according to claim 9, which is characterized in that the head in the step 2
It is that the height of stem excavation support is reduced by hydraulic operation that portion's excavation support, which carries out dismounting, and stem excavation support is made to reach stem
The sling height of stent-type hydraulic crane, while being lifted on ground handling trolley after excavation support is turned to 90 degree；The step 4
In by treating the tail portion excavation support of installation region carry out hydraulic operation, so that tail portion excavation support is formed branch with back
Support.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810732635.9A CN108798736A (en) | 2018-07-05 | 2018-07-05 | A kind of lame advanced supporting disassembly system and its assembly and disassembly methods |
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| CN201810732635.9A CN108798736A (en) | 2018-07-05 | 2018-07-05 | A kind of lame advanced supporting disassembly system and its assembly and disassembly methods |
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| CN108798736A true CN108798736A (en) | 2018-11-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112576301A (en) * | 2020-12-15 | 2021-03-30 | 郑州煤矿机械集团股份有限公司 | Fully-mechanized mining face transportation crossheading unit support carrying system |
| CN114017052A (en) * | 2021-10-11 | 2022-02-08 | 煤炭科学研究总院 | Support dismantling vehicle capable of automatically drilling |
| CN114017081A (en) * | 2021-10-20 | 2022-02-08 | 安徽恒源煤电股份有限公司 | Transfer device of mine stack type support |
| CN114017080A (en) * | 2021-10-11 | 2022-02-08 | 煤炭科学研究总院 | Support dismounting vehicle |
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