CN106121704A - A kind of mining excavation work surface walking prop, traveling method and development machine - Google Patents
A kind of mining excavation work surface walking prop, traveling method and development machine Download PDFInfo
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- CN106121704A CN106121704A CN201610736945.9A CN201610736945A CN106121704A CN 106121704 A CN106121704 A CN 106121704A CN 201610736945 A CN201610736945 A CN 201610736945A CN 106121704 A CN106121704 A CN 106121704A
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- Prior art keywords
- support column
- back timber
- advancing jack
- base
- work surface
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
- E21D23/22—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms incorporated in mine caps
Abstract
The invention discloses a kind of mining excavation work surface walking prop and traveling method, including back timber, upper advancing jack, can relatively the friction pair structure of slide anteroposterior, single wobbling pole, rear support column, front support column, shovel flitch, base and lower advancing jack；Back and front supporting column is the most scalable, when rear support column be in holding state, front support column be in quick condition time, upper advancing jack promotes back timber to move forward certain distance relative to top board, and shovel flitch is promoted forward certain distance by lower advancing jack；When current support post is in holding state, rear support column is in quick condition, base is pulled along certain distance by lower advancing jack；Top board, without unloading walking, is not caused and repeatedly supports, it is ensured that top board not absciss layer, be not caving by the walking prop of the present invention；The invention also discloses a kind of development machine containing above-mentioned walking prop, there is the advantage that efficiency of construction is high, labor intensity is low, operator is safer, be suitable to popularization and application.
Description
Technical field
The present invention relates to mining excavation device fabrication and application, relate to the supporting machine that mining excavation back controls
Tool, particularly in a kind of mine working tunneling process, can keep the mining excavation work surface walking of roof stability to prop up
Frame, traveling method and development machine.
Background technology
At present in China's mine (colliery, metallic ore, Gypsum Mine, sylvite ore etc.) underworkings driving, back is both needed to
Carrying out permanent anchoring with anchor pole, take traditional anchor rod anchored mode, operator must be at the driving face of non-support
Front end, beats bolthole, manual conveying anchor pole with electric drill and anchors the mode construction operation such as resin, manual fastening anchor rod nut, top
Plate falls cash phenomenon, coal (rock) wall flaps side phenomenon happens occasionally, inefficient with potential safety hazard and deposit.
Development machine is installed the jumbolter that can realize anchor rod anchored overall process do mechanization operation, becomes the most very much
Ripe, but in development machine work process, the cutting arm of about about 4 meters needs front, rear, left and right to swing cut rock mass, therefore jumbolter
Can be only installed on cutting arm of tunneling machine position below, thus need to implement lossless to the top board above cutting arm of tunneling machine
The gib of bad property, with ensure jumbolter top board is carried out permanent anchor rod anchored before, the complete stability of back.
At present, the temporary shoring bracket that roadway head is used walking manner forward, mostly take unloading reach
Mode, a mobile step office is about 0.5～1.0 meter, the distance of mobile about 4 meters, support the support repeatedly of top board be there are about 4～
8 times, easily cause back to crush, affect one-tenth lane, tunnel quality.
Therefore, develop a kind of without unloading walking, top board is not caused and repeatedly support, it is ensured that top board not absciss layer, be not caving
Walking prop, be the anchor rod anchored overall process of the Roadway Roof key technology place that realizes do mechanization operation.
Summary of the invention
First technical problem that the invention solves the problems that is to provide a kind of without unloading walking, does not cause top board and repeatedly props up
Support, it is ensured that top board not absciss layer, the mining excavation work surface walking prop not being caving.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that
A kind of mining excavation work surface walking prop, including back timber, upper advancing jack, can slide anteroposterior relatively
Friction pair structure, single wobbling pole, rear support column, front support column, shovel flitch, base and lower advancing jack；Described back timber leads to
Crossing friction pair structure to be connected with single wobbling pole one end, the other end of described single wobbling pole is hinged with base, and described rear support column connects
Between base and single wobbling pole；Described front support column is connected to shovel between flitch and back timber；Described back timber is by upper passage thousand
Jin top acts on single wobbling pole；Described shovel flitch is connected with base by lower advancing jack；Described back and front supporting column
Flexible, when described rear support column be in holding state, front support column be in quick condition time, upper advancing jack can be single
Fork is that fulcrum promotes back timber relative to mining excavation back reach certain distance, and lower advancing jack can be with base for propping up
Shovel flitch is promoted forward certain distance by point；When current support post is in holding state, rear support column is in quick condition,
Base can be pulled along certain distance by lower advancing jack.
Further, described friction pair structure includes slide block and guide pillar；Described guide pillar is in being vertically fixed on back timber, described
Having mutually perpendicular two holes to be respectively pilot hole and hinge hole on slide block, the pilot hole of slide block is enclosed within the cylinder of guide pillar and can
Slide anteroposterior on guide pillar；The hinge hole of slide block is hinged with single wobbling pole.
Further, described guide pillar is fixed on top by being welded on back timber and having the otic placode of longitudinal hole relative to back timber
Liang Shang.
Further, described back timber is two, also includes support bar, and described support bar is by being welded on back timber and relative
Two back timbers are fixed as one by the otic placode in back timber with transverse holes, are provided with oscillating bearing in described otic placode.
Further, described mobile roof support specifically includes: two back timbers, four upper advancing jacks, two slide blocks, two
Guide pillar, two support bars, two single wobbling poles, two rear support columns, four front support columns, shovel flitch, bases
And two lower advancing jacks；Two back timbers are fixed as one by said two support bar, each support bar respectively with two before
Support post is hinged, and two back timbers, two guide pillars, two support bars are collectively forming the first entirety；Said two slide block, two lists
Fork, base, two rear support columns are collectively forming the second entirety；One shovel flitch and four front support columns are altogether
Overall with forming the 3rd；Can be by four upper advancing jack relative movements between described first entirety and the second entirety；Described
Two lower advancing jack relative movements can be passed through between second entirety and the 3rd entirety.
Further, also including accumulator, described rear telescopic column uses telescopic oil cylinder structure, and described accumulator is with flexible
The plunger shaft of oil cylinder communicates；When running into protruding top board during back timber elapses, described accumulator energy-absorbing, make rear support
Column drainage；When running into recessed top board during back timber elapses, accumulator can be released energy, be made rear support column fluid infusion.
Further, described walking prop uses hydraulic power source power.
Second technical problem that the invention solves the problems that is to provide a kind of above-mentioned mining excavation work surface walking prop
Traveling method, comprise the steps: step 1, constant voltage passage back timber process: rear support column is in holding state, front support
Column is in quick condition, and this state is set as original state；Now, in operation, advancing jack promotes back timber, makes back timber
The frictional resistance with top board is overcome to move forward certain distance；Step 2, promotes shovel flitch reach process: at back and front supporting column
In above-mentioned same condition, the lower advancing jack of operation promotes shovel flitch to move forward same distance；Step 3, pulls pedestal forward lead
Process: back and front supporting column is supported and floats switching, makes front support column be in holding state, and rear support column is in
Quick condition, now, the lower advancing jack of operation pulls base to move forward same distance；Step 4, restPoses: front,
Rear support column is supported switching with float again, makes rear support column be in holding state, and front support column is in floating
State.
The 3rd technical problem that the invention solves the problems that is to provide efficiency of construction height and the development machine without potential safety hazard, its
Containing above-mentioned mining excavation work surface walking prop.
Further, described shovel flitch is installed cutting units and shipment portion, described base is installed dynamical system and anchor pole
Anchor cable support apparatus.
By using technique scheme, the present invention at least has the advantage that
(1) walking prop of the present invention, uses and is driven three entirety carrying out relative movement by upper and lower advancing jack,
Forward without unloading reach during walking, top board is not caused and repeatedly supports, to about 4 meters distances above tunnelling machine cutting arm
Top board achieve without damageability supporting, it is ensured that the integrity roadway quality in tunnel.
(2) walking prop of the present invention, makes permanent anchor rod anchored operation, by the most manually at the face of non-support
Semi-mechanization of meeting head on operation (electric drill is beaten bolthole, artificial carried anchor pole and resin in hole, manually fastens anchor rod nut), changes into
Manually safety support from face meet head on about 4 meters the Fully-mechanized operation in position (utilize jumbolter beat bolthole, by
Jumbolter conveying anchor pole, resin, fastening anchor rod nut), efficiency of construction is improved, and labor intensity is reduced.
(3) walking prop of the present invention, under the back timber of support, the position of about about 4 meters distances can be set to unmanned operation
District, every one procedure of tunnelling all need not artificial in this operation, the danger such as leakage cash that face is met head on occurred, wall caving
Factor, all without injuring operating personnel, makes operator safer.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, below
In conjunction with accompanying drawing, the present invention is described in further detail with detailed description of the invention.
Fig. 1 is embodiment of the present invention mining excavation work surface constant voltage travelling hydraulic support front view；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is that embodiment of the present invention mining excavation work surface constant voltage travelling hydraulic support walking states schematic diagram is (permanent
Pressure passage back timber after-poppet state)；
Fig. 4 is embodiment of the present invention mining excavation work surface constant voltage travelling hydraulic support walking states schematic diagram (shovel
Flitch passage after-poppet state)；
Fig. 5 is that embodiment of the present invention mining excavation work surface constant voltage travelling hydraulic support walking states schematic diagram (draws
Dynamic pedestal forward lead after-poppet state)；
In figure: 1-back timber, the upper advancing jack of 2-, 3-slide block, 4-guide pillar, 5-support bar, 6-single wobbling pole, 7-rear support is stood
Post, 8-front support column, 9-shovels flitch, 10-base, advancing jack under 11-, 12-accumulator.
Detailed description of the invention
As shown in Figure 1, 2, the mining excavation work surface walking prop of the present invention, including back timber 1, upper advancing jack
2, can relatively the friction pair structure of slide anteroposterior, single wobbling pole 6, rear support column 7, front support column 8, shovel flitch 9, base 10 and
Lower advancing jack 11.
Above-mentioned back timber 1 by can the friction pair structure of slide anteroposterior relatively be connected with single wobbling pole 6 one end, single wobbling pole 6 another
One end is hinged with base 10, and rear support column 7 is connected between base 10 and single wobbling pole 6；Front support column 8 is connected to shovel flitch
Between 9 and back timber 1；Back timber 1 is acted on single wobbling pole 6 by upper advancing jack 2；Shovel flitch 9 is by lower advancing jack 11
It is connected with base 10；Back and front supporting column 8,7 is the most scalable, when rear support column 7 is at holding state, front support column 8
When quick condition, upper advancing jack 2 can be with single wobbling pole 6 as fulcrum, by can the friction pair structure of slide anteroposterior relatively push away
Dynamic back timber 1 is relative to mining excavation back reach certain distance, when back and front supporting column 8,7 is in above-mentioned same condition,
Shovel flitch 9 can be promoted forward certain distance with base 10 for fulcrum by lower advancing jack 11；Current support post 8 is in support
When state, rear support column 7 are in quick condition, base 10 can be pulled along certain distance by lower advancing jack 11.
Above-mentioned walking prop, is mainly used in the gib of back above cutting arm of tunneling machine, uses by upper and lower
Advancing jack drives the relative movement carrying out each main part, forward without unloading reach during walking, does not cause top board anti-
Multiple support, it is ensured that be arranged on before the jumbolter at cutting arm of tunneling machine rear carries out permanent anchorage supporting to top board, to tunnel
Above cutting arm of tunneling machine, the top board of about 4 meters distances achieves without damageability supporting, it is ensured that the integrity in tunnel, improves
The anchor rod anchored mechanized operation level of mining excavation back.
Above-mentioned can the friction pair structure of slide anteroposterior relatively, it is preferred to use the structure that slide block 3 and guide pillar 4 coordinate；Guide pillar 4 in
It is vertically fixed on back timber 1, slide block 3 has mutually perpendicular two holes be respectively pilot hole and hinge hole, the pilot hole of slide block 3
Be enclosed within the cylinder of guide pillar 4 and can on guide pillar 4 slide anteroposterior；The hinge hole of slide block 3 is hinged with single wobbling pole 6.Slide block 3 and guide pillar
The inside and outside matching surface machining accuracy of 4 is the highest, under the effect of grease, and the coefficient of friction that slide block 3 slides on guide pillar 4 cylinder
The lowest, therefore, upper advancing jack 2 only need to overcome the frictional resistance of back timber 1 and top board, slide block 3 and guide pillar 4 when promoting back timber 1
Frictional resistance proportion minimum negligible.
Preferably, above-mentioned back timber 1 is two, also includes that support bar 5, support bar 5 pass through the otic placode on back timber 1 by two tops
Beam 1 is fixed as one, and is provided with oscillating bearing in otic placode.
Preferably, walking prop is also equipped with storing greatly the accumulator 12 of energy, and rear telescopic column 7 uses telescopic oil cylinder to tie
Structure, accumulator 12 communicates with the plunger shaft of telescopic oil cylinder；When running into protruding top board during back timber 1 elapses, accumulator 12 can
Absorb energy, make rear support column 7 drainage；When running into recessed top board during back timber 1 elapses, accumulator 12 can release energy
Amount, makes rear support column 7 fluid infusion, by above-mentioned setting, it is possible to achieve constant voltage is walked.
Preferably, above-mentioned walking prop uses hydraulic power source power, as used hydraulic jack, hydraulic pressure support column.
Specifically, above-mentioned mining excavation work surface walking prop, wherein each parts are preferably as follows quantity: back timber 1,
Slide block 3, guide pillar 4, support bar 5, single wobbling pole 6, rear support column 7, lower advancing jack 11, accumulator 12 are respectively each two pieces,
Upper advancing jack 2 and front support column 8 are respectively each four, and shovel flitch 9, base 10 are respectively each one.
Two guide pillars 4 are respectively in longitudinal direction, and guide pillar 4 is by being welded on back timber 1 and have relative to back timber 1 ear of longitudinal hole
Plate coordinates bearing pin to be fixed on back timber 1, and the pilot hole of two slide blocks 3 is respectively fitted on the cylinder of guide pillar 4.
Two support bars 5 are further through being welded on back timber 1 and have relative to back timber 1 otic placode of transverse holes, by two tops
Beam 1 is fixed as one, and each support bar 5 is hinged with two front support columns 8 respectively, is provided with joint in the otic placode on back timber 1
Bearing, makes two back timbers 1 run into top board the most at ordinary times, increases degree of freedom, strengthens it and connect top performance.
The hinge hole of two slide blocks 3 is hinged with two single wobbling poles 6 respectively, and the other end of two single wobbling poles 6 cuts with scissors with base 10
Connecing, two rear support columns 7 are supported between base 10 and single wobbling pole 6.
Two back timbers 1, two guide pillars 4, two support bars 5 form the first entirety with back timber 1 as critical piece；Two cunnings
3, two single wobbling poles of block, 10, two rear support columns 7 of 6, base are collectively forming with base 10 as critical piece
Two is overall；One shovel 9, four front support column 8 of flitch is collectively forming to shovel flitch 9 the 3rd as critical piece overall；Above-mentioned
First entirety and the second entirety are mutually slided in the case of resistance is relatively big, are by being arranged on 4 between single wobbling pole 6 and back timber 1
(single wobbling pole 6 coordinates two upper advancing jacks 2) that the pushing or pull on of individual upper advancing jack 2 realizes；Above-mentioned
Two is overall with the 3rd overall relative movements, is by being arranged on pushing away of base 10 and 2 lower advancing jacks 11 shoveling between flitch 9
Dynamic or pull and realize.
The walking process of above-mentioned walking prop, comprises the following steps:
Step 1, the first integral forward lead process (reach of back timber constant voltage) as shown in Figure 3: rear support column 7 is in support shape
State, front support column 8 is in quick condition, and this state is set as original state；Now, in operation, advancing jack 2 pushes away
Dynamic first is overall, makes the back timber 1 in the first entirety overcome the frictional resistance with top board to move forward, until slide block 3 is on guide pillar 4
Slide spacing；
Step 2, the 3rd integral forward lead process (promote shovel flitch reach) as shown in Figure 4: back and front supporting column 8,7 is in
Above-mentioned same condition, the lower advancing jack 11 of operation promotes shovel flitch 9 to move forward；
Step 3, the second integral forward lead process (pulling pedestal forward lead) as shown in Figure 5: back and front supporting column 8,7 is carried out
Support and switching of floating, make front support column 8 be in holding state, and rear support column 7 is in quick condition, now, pushes away under operation
Moving jack 11 pulls base 10 to move forward；
Step 4, restPoses: back and front supporting column 8,7 is supported switching with float again, makes rear support stand
Post 7 is in holding state, and front support column 8 is in quick condition.
The distance that step 1, action described in 2,3 are moved is equal, it is illustrated that be 500-50=450mm for displacement.
Above-mentioned walking prop, can install cutting units and the shipment portion of development machine on shovel flitch 9, can pacify on base 10
Dress dynamical system and bolting and rope support device become other parts in lane with tunnelling, complete shovel flitch 9 and base 10
Above-mentioned installation after, will form the most multifunctional combined a kind of development machine novel device.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, this
Skilled person utilizes the technology contents of the disclosure above to make a little simple modification, equivalent variations or modification, all falls within this
In bright protection domain.
Claims (10)
1. a mining excavation work surface walking prop, it is characterised in that include back timber, upper advancing jack, can be relative
The friction pair structure of slide anteroposterior, single wobbling pole, rear support column, front support column, shovel flitch, base and lower advancing jack；
Described back timber is connected with single wobbling pole one end by friction pair structure, and the other end of described single wobbling pole is hinged with base, described
Rear support column is connected between base and single wobbling pole；Described front support column is connected to shovel between flitch and back timber；Described top
Beam is acted on single wobbling pole by upper advancing jack；Described shovel flitch is connected with base by lower advancing jack；
Described back and front supporting column is the most scalable, when described rear support column be in holding state, front support column is in floating
During state, upper advancing jack can promote back timber to move forward a spacing relative to mining excavation back with single wobbling pole for fulcrum
From, shovel flitch can be promoted forward certain distance with base for fulcrum by lower advancing jack；Current support post is in support shape
When state, rear support column are in quick condition, base can be pulled along certain distance by lower advancing jack.
Mining excavation work surface walking prop the most according to claim 1, it is characterised in that described friction pair structure
Including slide block and guide pillar；
Described guide pillar, in being vertically fixed on back timber, described slide block has mutually perpendicular two holes be respectively pilot hole and hinged
Hole, the pilot hole of slide block be enclosed within the cylinder of guide pillar and can on guide pillar slide anteroposterior；The hinge hole of slide block is hinged with single wobbling pole.
Mining excavation work surface walking prop the most according to claim 2, it is characterised in that described guide pillar is by weldering
It is connected on back timber and relative to back timber, there is the otic placode of longitudinal hole and be fixed on back timber.
Mining excavation work surface walking prop the most according to claim 1, it is characterised in that described back timber is two
Individual, also include support bar, described support bar is by being welded on back timber and having the otic placode of transverse holes by two relative to back timber
Back timber is fixed as one, and is provided with oscillating bearing in described otic placode.
Mining excavation work surface walking prop the most according to claim 2, it is characterised in that described mobile roof support has
Body includes: two back timbers, four upper advancing jacks, two slide blocks, two guide pillars, two support bars, two single wobbling poles, two
Rear support column, four front support columns, a shovel flitch, a base and two lower advancing jacks；
Two back timbers are fixed as one by said two support bar, and each support bar is hinged with two front support columns respectively, and two
Individual back timber, two guide pillars, two support bars are collectively forming the first entirety；
Said two slide block, two single wobbling poles, base, two rear support columns are collectively forming the second entirety；
One shovel flitch and four front support columns are collectively forming the 3rd entirety；
Can be by four upper advancing jack relative movements between described first entirety and the second entirety；
Two lower advancing jack relative movements can be passed through between described second entirety and the 3rd entirety.
6. according to the mining excavation work surface walking prop described in any one of claim 1-5, it is characterised in that also include
Accumulator, described rear telescopic column uses telescopic oil cylinder structure, and described accumulator communicates with the plunger shaft of telescopic oil cylinder；
When running into protruding top board during back timber elapses, described accumulator energy-absorbing, make rear support column drainage；Work as top
When running into recessed top board during beam passage, accumulator can be released energy, be made rear support column fluid infusion.
7. according to the mining excavation work surface walking prop described in any one of claim 1-5, it is characterised in that described row
Walk cribbing and use hydraulic power source power.
8. according to the traveling method of the mining excavation work surface walking prop described in any one of claim 1-7, its feature
It is, comprises the steps:
Step 1, constant voltage passage back timber process: rear support column is in holding state, and front support column is in quick condition, should
State is set as original state；Now, in operation, advancing jack promotes back timber, make back timber overcome frictional resistance with top board to
Before move a certain distance；
Step 2, promotes shovel flitch reach process: back and front supporting column is in above-mentioned same condition, and the lower advancing jack of operation pushes away
Dynamic shovel flitch moves forward same distance；
Step 3, pulls pedestal forward lead process: back and front supporting column is supported and floats switching, makes front support column be in
Support state, rear support column is in quick condition, and now, the lower advancing jack of operation pulls base to move forward same distance；
Step 4, restPoses: back and front supporting column is supported switching with float again, makes rear support column be in and props up
Support state, front support column is in quick condition.
9. a development machine, it is characterised in that containing the mining excavation work surface walking described in any one of claim 1-7
Support.
Development machine the most according to claim 9, it is characterised in that install cutting units and shipment portion, institute on described shovel flitch
State and dynamical system and bolting and rope support device are installed on base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610736945.9A CN106121704B (en) | 2016-08-26 | 2016-08-26 | A kind of mining excavation working face walking prop, traveling method and development machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736945.9A CN106121704B (en) | 2016-08-26 | 2016-08-26 | A kind of mining excavation working face walking prop, traveling method and development machine |
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| CN106121704B CN106121704B (en) | 2018-03-16 |
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| CN111960057A (en) * | 2020-08-04 | 2020-11-20 | 霍州煤电集团吕梁山煤电有限公司方山店坪煤矿 | Sliding shoe type self-moving tail of fully mechanized excavation face |
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| Publication number | Publication date |
|---|---|
| CN106121704B (en) | 2018-03-16 |
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