CN106321135A - Advanced supporting system for bolt-mesh supporting and supporting method - Google Patents
Advanced supporting system for bolt-mesh supporting and supporting method Download PDFInfo
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- CN106321135A CN106321135A CN201610790065.XA CN201610790065A CN106321135A CN 106321135 A CN106321135 A CN 106321135A CN 201610790065 A CN201610790065 A CN 201610790065A CN 106321135 A CN106321135 A CN 106321135A
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- hydraulic support
- advanced hydraulic
- bearing
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- 238000000034 method Methods 0.000 title claims description 10
- 238000005553 drilling Methods 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 163
- 229910052742 iron Inorganic materials 0.000 claims description 76
- 239000011347 resin Substances 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 18
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 235000010206 Corchorus olitorius Nutrition 0.000 claims description 3
- 244000227473 Corchorus olitorius Species 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 11
- 239000003245 coal Substances 0.000 description 7
- 238000005065 mining Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UPLPHRJJTCUQAY-WIRWPRASSA-N 2,3-thioepoxy madol Chemical compound C([C@@H]1CC2)[C@@H]3S[C@@H]3C[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@](C)(O)[C@@]2(C)CC1 UPLPHRJJTCUQAY-WIRWPRASSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009416 shuttering Methods 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
- E21D23/08—Advancing mechanisms
-
- 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
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
Landscapes
- 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)
- Working Measures On Existing Buildindgs (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an advanced supporting system for bolt-mesh supporting. The advanced supporting system comprises a floor supporting body and a roof supporting body. The floor supporting body comprises a bearing block (9), a floor drilling preventing baffle (10) and a guiding plate (11), a vertically-through fixing groove (12) is formed in the middle of the bearing block (9), the guiding plate (11) is arranged in the fixing groove (12), and the floor drilling preventing baffle (10) is an arc plate. The roof supporting body comprises a front top beam protecting plate arranged at the front end of a top beam of an advanced hydraulic support (1), a rear top beam protecting plate arranged at the rear end of the top beam of the advanced hydraulic support (1), and a cylindrical pressure-bearing row (2), and the front top beam protecting plate comprises a plate-type pressure-bearing baffle (4) and a bar-type containing hopper (5). The advanced supporting system is simple in structure, low in cost and easy and convenient to operate.
Description
Technical field
The present invention relates to coal mine roadway advance support field, particularly relate to a kind of advance support system for bolting with wire mesh
System and method for protecting support.
Background technology
Along with improving constantly of fully-mechanized mining working mechanization degree, under the conditions of suitable geology, each big colliery of China is progressively
Employing forepoling hydraulic support, advance timbering can be divided into according to construction features: high working face double leval jib advance support hydraulic pressure
Support, automatic moving type forepoling hydraulic support, saddle ride type forepoling hydraulic support and caterpillar track travelling advance support hydraulic pressure
Support etc..First three forepoling hydraulic support, when moving frame, is required for taking fall frame, try to stop people from fighting each other (or push bracket), liter frame, adjustment,
Drop frame again and rise the actions such as frame.The most all there is repeatedly the technological deficiency of roof supporting, stability and the integrity of top board are had by this
There is very havoc, follow-up shifting frame, supporting and safe working can be brought very big hidden danger.For caterpillar track travelling advance support liquid
Pressure support thus success will follow avoid top board support repeatedly crush.But sliding friction meeting produced by such moving manner
The serious service life affecting this support, and the defects such as the resistance that moves ahead is relatively big, walking is extremely unstable can be brought, easily give lane
The safety of road personnel works the mischief.
For all current traditional advance timberings, use to promote more and move shelf structures, promote shifting frame to cause
The problems such as the rollover of cantilever deflections, support and moving difficulty.
These difficult problems are all relative connection, and a Resolving probiems is bad, and other problem will progressively highlight, right
Safety of mining causes great hidden danger, and the system that this invention address that solves advance timbering top board and relevant the asking of base plate appearance
Topic.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in construction, low cost, easy and simple to handle, reliable and practical pin
Advance support system to bolting with wire mesh.
Present invention also offers a kind of method carrying out supporting for the advance support system of bolting with wire mesh described in employing.
A kind of advance support system for bolting with wire mesh, including roof timbering body and base plate prop；
Described roof timbering body includes advanced hydraulic support and cylinder pressure-bearing row, and described cylinder pressure-bearing is arranged by multiple cylinders
Roller is sequentially connected in series and forms, and described cylinder pressure-bearing row is arranged between back timber and the back of described advanced hydraulic support；Institute
The length stating cylindrical roller is consistent with advance timbering width, a diameter of 62mm；
The front end of the back timber of described advanced hydraulic support is provided with front back timber backplate, and rear end is provided with rear back timber backplate；Institute
State front back timber backplate and include that board-like pressure-bearing baffle plate and bar formula hold funnel, the rear end of described board-like pressure-bearing baffle plate and described advanced liquid
The front end of the back timber of pressure support is connected, and the rear end that the front end of described board-like pressure-bearing baffle plate holds funnel with described bar formula is connected；
It is strip that described bar formula holds funnel, and its cross section is spoon shape structure, including the containing tank of opening upwards with open
The arc connecting portion that mouth is downward；Described bar formula holds funnel and includes multiple spoon shape structure reinforcing bars be arrangeding in parallel, multiple described spoons
Shape structure reinforcing bars is fixed together by 3 strip reinforcement welding be arrangeding in parallel；
Described back is equipped with anchor net, described arc connecting portion is provided with anti-sticking baffle plate；Described anti-sticking
Baffle plate is made up of hold-down bars, plane holder and high-intensity resin plate, and described hold-down bars totally two, the bottom of described hold-down bars is fixed on
The both sides of described arc connecting portion, the top of described hold-down bars welds with the middle part of described plane holder, and plane holder grips institute
State high-intensity resin plate；The distance of the top distance back of described high-intensity resin plate is 20mm～40mm, wide and described
The width of advanced hydraulic support is consistent, and the angle between described high-intensity resin plate place plane and back place plane is
15°；
Described base plate prop includes bearing block, anti-drilling bottom baffle and guide plate, described bearing block and advanced hydraulic support
Base front end be connected, in the middle part of described bearing block, be provided with the fixing groove of up/down perforation, be provided with in described fixing groove
Described guide plate, described anti-drilling bottom baffle is arc, and its lower end is connected with the front end of the bottom of described bearing block, described arc
The middle part of plate is protruded to the bottom of the direction of advance of described advanced hydraulic support；
Described guide plate includes the 3rd fixed plate and is connected to the cutting part bottom described 3rd fixed plate, described fixing
The both sides of the length direction of groove are respectively arranged with the 4th fixed plate, are provided with pin hole, described in described 4th fixed plate
Being provided with fixing hole in 3rd fixed plate, wherein said fixing hole and described pin hole are solid by described 3rd fixed plate by latch
It is scheduled in described 4th fixed plate；Described cutting part is cutter, and the knife back is connected with the bottom of described 3rd fixed plate, described cutter
The bottom of rear end and the front end of the described knife back be connected to form the blade of arc；
Roadway floor is hard-caked sediment plate in being, allows that uniaxial compressive strength is 22.50～42.00MPa, and described fixing hole is with described
Distance between the lowermost end of cutting part be H+130mm, H be advance timbering base thickness, unit is mm.
Advance support system for bolting with wire mesh of the present invention, wherein, the axis direction of described cylindrical roller
Perpendicular with the direction of advance of described advanced hydraulic support；It is outward extended with respectively at the center at the two ends of described cylindrical roller
A piece cylindrical iron, the outer end of described iron has helicitic texture and the fixing nut matched with described helicitic texture；
First iron with last described cylindrical roller is provided with the first connector or the second connector,
The iron of other described cylindrical roller is provided with the first connector and the second connector；
Described first connector include a head rod and two be separately fixed at described head rod two ends
First sleeve, described first sleeve is the hollow cylindrical of both ends open, and the internal diameter of described first sleeve is more than described iron
Diameter, one of them described first sleeve is set on described iron, and another described first sleeve is set in previous cylinder
On the iron of shape roller；
Described second connector include second connecting rod and two be separately fixed at described second connecting rod two ends
Second sleeve pipe, described second sleeve pipe is the hollow cylindrical of both ends open, and the internal diameter of described second sleeve pipe is more than described iron
Diameter, one of them described second casing pipe sleeve is located on described iron, and another described second casing pipe sleeve is located at later cylinder
On the iron of shape roller, it is sequentially connected with arrangement and forms described cylinder pressure-bearing row.
Advance support system for bolting with wire mesh of the present invention, wherein, a diameter of 4mm of described iron, length
For 22mm, wherein, a length of 4mm of described helicitic texture；The external diameter of described first sleeve and described second sleeve pipe is 7mm, interior
Footpath is 6mm, a length of 6mm；Described head rod and a diameter of 5mm of described second connecting rod, length is than described cylinder
The big 10mm of diameter of roller, the external diameter of described fixing nut is 10mm, and internal diameter is 4mm；Described board-like pressure-bearing baffle plate includes pressure-bearing
Plate, pressure block and the first fixed plate, described pressure block is solid squares iron block, and bearing plate includes horizontal plate and is connected to described water
The swash plate of the front end of flat board, described horizontal plate and described swash plate are welding or integrated formed structure, and the top of described pressure block is solid
Being scheduled on the front side of the bottom of described horizontal plate, the rear side of described horizontal plate is fixed on the top of described advanced hydraulic support, described
Pressure block contacts with the front end of described advanced hydraulic support；The side on the described first long limit of fixed plate is fixed on described swash plate
Middle part, opposite side is fixed on described pressure block.
Advance support system for bolting with wire mesh of the present invention, wherein, described bar formula holds hopper level and is
490mm, width is consistent with advance timbering width, a length of 480mm；The thickness of described pressure block is 150mm, a length of 350mm,
It is highly 450mm；
Described horizontal plate and described swash plate are made up of spring steel, equivalently-sized, are: thickness is 9mm, a length of 680mm,
Width is consistent with advance timbering width；Angle between described swash plate and horizontal plane is 5 °；The bottom of described first fixed plate with
Distance between the top of described pressure block is 80mm.
Advance support system for bolting with wire mesh of the present invention, wherein, described rear back timber backplate includes collecting tank
And fixing device, described fixing device includes that the second fixed plate, the rear end of described second fixed plate are connected with described collecting tank, institute
State the front portion of the second fixed plate to be provided with first and fix band and fixing lock, described second fixed plate is fixed on described advanced liquid
On the back timber of pressure support；Described collecting tank includes horizonal base plate and is separately positioned on front side board and the backstop of its front-end and back-end
Plate, the upper end of described front side board is connected with the rear end of described second fixed plate；The a length of 400mm of described horizonal base plate, width
For 480mm, the height of front side board is 300mm, and the height of backboard is 120mm, and a length of 300mm of the second fixed plate is described
The thickness of horizonal base plate, described front side board, described backboard and described second fixed plate is 12mm.
Advance support system for bolting with wire mesh of the present invention, wherein, level before and after described anti-drilling bottom baffle
A length of 350mm on direction, the height in upper and lower vertical direction is 400mm；The upper and lower of the rear end of described bearing block
Being connected to upper mounted plate and bottom plate, the front end of the base of described advanced hydraulic support uses second to fix band and fixes
Between fixed plate and described bottom plate, a length of 350mm of fixed plate, thickness is 7mm；Three points of top
Two described 3rd fixed plate cross section be shaped as rectangle, the cross section of described 3rd fixed plate of bottom 1/3rd
Be shaped as trapezoidal, the length of the front end of described 3rd fixed plate is less than the length of rear end.
Advance support system for bolting with wire mesh of the present invention, wherein, a length of before and after described bearing block
430mm, width and height and the width of the base of described advanced hydraulic support and highly consistent, length before and after described fixing groove
For 300mm, width be the distance between 15mm, and the front end of described bearing block be 40mm, between the rear end of described bearing block
Distance is 90mm；Described bearing block is hinged with fixed plate, is welded and fixed with described bottom plate；Described second fixed strip
Band is steel wire sheet or the long iron block of molding.
Advance support system for bolting with wire mesh of the present invention, wherein, a length of before and after described guide plate
290mm, width the widest part is 13mm, and the narrowest place is 3～4mm, and height is 600mm；Described in the centre distance of described fixing hole
The distance of the front end of three fixed plates is 150mm, and the distance of rear end is 140mm, a diameter of 25mm of described fixing hole；Described latch
A diameter of 12mm in hole, a diameter of 10mm of described latch.
Use the method carrying out supporting for the advance support system of bolting with wire mesh of the present invention, including walking as follows
Rapid:
(A) cylindrical roller cylinder pressure-bearing arranged, fixing nut, the first connector, the second connector, front back timber backplate
It is transported to advance support region, down-hole with rear back timber backplate；
It is directed to plate, bearing block and anti-drilling bottom baffle and transports advanced hydraulic support side, at advanced hydraulic support base
Front end excavates the ditch of a deep 20mm slightly, is gradually inserted by the bottom plate of bearing block below the base of advanced hydraulic support
Entering, insert at least 500mm, when resistance pushes away to enter more greatly, stop manual work, personnel are away from support, by advanced hydraulic pressure
Support moves frame, progressively makes bearing block arrive the front end of advanced hydraulic support base；Stop moving frame, all around beat with iron hammer and hold
Pouring weight so that it is front and back align with about base so that it is parallel with base adjacent front and back；
(B) iron of each cylindrical roller installs the first connector and the second connector, connects and forms cylinder pressure-bearing
Row, has just started cylinder pressure-bearing row and has been installed to 4m, and wherein, first cylindrical roller both sides, every side has only to install one first
Connector or the second connector, in order to connect cylindrical roller below, prop up when first cylindrical roller rolls out advanced hydraulic pressure
After frame, fixing nut of can outwarding winding, it is connected to, before advanced hydraulic support, take over use；When installing for the first time, advanced hydraulic pressure props up
Frame front pillar pressure release, makes back timber front end depart from top board 70-80mm, stops pressure release, the horizontal plate of bearing plate is inserted into advanced hydraulic pressure
Between support and back, mounted cylinder pressure-bearing row is filled in the space between top board and back timber；
(C) upper mounted plate is rotated to above bearing block, fix band by upper mounted plate with bottom plate even by second
Connect and be tightened；Putting into guide plate, the edge of a knife direction of the bottom of guide plate, in moving direction front, is directed to plate with iron hammer and pounds
To the position that fixing hole is corresponding, insert latch, Fixed latches, the ground contacted with guide plate on rear side of fixing groove with the left and right sides
Side, fills in a small amount of burlap or Corchorus olitorius L., reduces the hard contact between iron block, and guide plate is made by the space as far as possible reducing 2mm
The steering error become；
(D) do not stand within the 3m of support side people, and when preventing moving frame, top board leakage cash is hurted sb.'s feelings, and checks advanced hydraulic support front
Situation, it is ensured that move frame path smooth, start to promote jack, sliding advance of support；When cylinder pressure-bearing, row has just been rolled to advance timbering
The when of in the middle part of back timber, to advanced hydraulic support rear pillar pressure release, make top beam rear end depart from back 70-80mm, stop pressure release,
Second fixed plate of fixing device is inserted between advanced hydraulic support and back, fixes band by first and tie up at support
Top beam rear end, utilizes fixing lock locking, described second fixed plate and collecting tank is fixed on the back timber of described advanced hydraulic support
After；
(E) turn to when needs or during adjustment direction, stop moving frame, manually beat pressure block side with iron hammer, make pressure-bearing
Block forms little crack with the pan frontward end of advanced hydraulic support, fills in an appropriate number of small size standard iron block, uses one piece little
The anglec of rotation of number standard iron block is 2 °, lays particular number as required；When quantity is more than 3 pieces, use large size standard ferrum
Block, the angle of formation is 6 °；The length and width of described small size standard iron block and high respectively 150mm, 15mm and 150mm, described large size
Standard iron block is trapezoidal, a length of 300mm, a width of 31mm of upper end, a width of 47mm of lower end, a height of 150mm；
(F) complete to use for the first time, column pressure value before and after regulation, make before and after's column pressure suitable with original normal pressure value,
Ensureing that set cap is parallel with back, supporting is stable；
(G) being a circulation with advanced hydraulic support often advance 2m, often advance 2m, by cylinder unnecessary in horizonal base plate
Roller is pulled down, and gets and above installs, and such 2m is a circulation.
The advance support system difference from prior art that the present invention is directed to bolting with wire mesh is:
In traditional method, when the advance of the face, advanced hydraulic support is also required to forward impelling, in this process advanced
In, it is first pressure release, when waiting the back timber of support to depart from certain distance with back, forward impelling, after advancing certain distance, then
Jack-up support, because support is during passage, route can't be walked according to straight line, so also needing to adjust, pressure release again,
Guarantee will not be pressed onto support anchor rod and the anchor cable of top board.So roof cracking is serious during this, the coal mining to the later stage
Leave the biggest hidden danger, roof cracking, gas can be caused, the seepage of water gas etc., when support moves particularly below, have substantial amounts of
Top board rubble etc. is caving, and safety in production causes the most unnecessary impact and certain potential safety hazard.
The roof timbering body that the present invention improves lays cylinder pressure-bearing row between top board and set cap, so can be with rolling
The form of dynamic friction, directly with pressure, promotes support from behind by jack, and such support avoids the need for pressure release repressurization,
The most so forward impelling, causes any destruction hardly to top board.Apparatus structure of the present invention is simple, low cost, behaviour
Make easy, reliable and practical.
Traditional advance support rack much needs setting to try to stop people from fighting each other anchor point, and it is loaded down with trivial details to arrange anchor point operation, and efficiency is low
Under, it is impossible to realize advanced hydraulic support passage fast and safely；Use of existing advance support rack promotes shifting shelf structure more, promotes
Move frame and can cause mobile deflection and moving difficulty, largely affect coal mining efficiency and Safety of Coal Mine Production work.
The guider of base plate prop of the present invention is safe, practical, simple and reliable, improves the peace in coal mining efficiency and colliery
Full production work.
During the bracket base of the field experience surface overwhelming majority breaks away and frame is all to occur at moving frame, it is therefore desirable to
Act as a planted agent before moving frame, anchor point is set, draws the most forward, after support offsets, need to rearrange basic point use very heavy
Pushing tow returns, and what such support was difficult to again to settle at one go returns to original position, when support is toppled over simultaneously near termination be and
Its danger, the guider of advance timbering base of the present invention, it is ensured that support moves according to predetermined paths, guide plate is combined and is held
Pouring weight has the function preventing base sliding, and base is stable, moves frame safety and is greatly improved, and present configuration is simple and reliable simultaneously,
Practicality, the geological environment this simple structural reliability complicated for down-hole is strong, practical, substantially increases coal mining efficiency
Safety in production with colliery.
The present invention be directed to back is design under the conditions of bolting with wire mesh, the distance tunnel, top of high-intensity resin plate
The distance of top board is 20mm～40mm, it is ensured that cylinder pressure-bearing come entrance top board and back timber before will not be scraped by anchor net, touch and
Hooking, it is ensured that the stable operation of whole device, the material of high-intensity resin also ensure that sheet material itself will not be by too simultaneously
Lossy, also will not cause the hidden danger such as spark, whole reasonable in design, reliable and stable.
Below in conjunction with the accompanying drawings the advance support system for bolting with wire mesh of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the advance support system that the present invention is directed to bolting with wire mesh；
Fig. 2 is the structural representation of cylindrical roller in the present invention；
Fig. 3 is the structural representation of the front back timber backplate in the present invention；
Fig. 4 is the plan structure schematic diagram that the bar formula in front back timber backplate holds funnel；
Fig. 5 is the structural representation of the rear back timber backplate in the present invention；
Fig. 6 is the structural representation of the base plate prop in the present invention；
Fig. 7 is the plan structure schematic diagram of base plate prop in the present invention；
Fig. 8 is base plate prop plan structure schematic diagram under turn condition in the present invention；
Fig. 9 is the structural representation of apparatus of the present invention small size standard iron block in use；
Figure 10 is the structural representation of apparatus of the present invention large size standard iron block in use.
Detailed description of the invention
Embodiment 1
As shown in Fig. 1～Figure 10, a kind of advance support system for bolting with wire mesh, prop up including roof timbering body and base plate
Watch box, roof timbering body includes advanced hydraulic support 1 and cylinder pressure-bearing row 2, and cylinder pressure-bearing row 2 is by multiple cylindrical rollers 201
Being sequentially connected in series and form, cylinder pressure-bearing row 2 is arranged between the back timber of advanced hydraulic support 1 and back 3, described cylindrical rolling
Wheel 201 rolls when advanced hydraulic support 1 advances；Between the back timber of back 3 and advanced hydraulic support 1, lay cylinder hold
Pressure 2, so can promote advanced hydraulic support 1 from behind with the form of rolling friction directly with pressure by jack,
So there is no need to pressure release repressurization, the most so forward impelling, causes any destruction hardly to back 3.Support
Width is in terms of 450mm, and a length of 450mm of cylindrical roller 201, a diameter of 62mm, the least, top board may be direct with back timber
Contact, it is impossible to play the effect of rolling friction, the space between the biggest pressure-bearing cylinder also can be strengthened, and top board rubble is trapped into,
Being likely to result in pressure-bearing cylinder will not rotate, also cannot play the effect of sliding friction, therefore this size is relatively reasonable
With science.
The front end of the back timber of advanced hydraulic support 1 is provided with front back timber backplate, and rear end is provided with rear back timber backplate；Front back timber
Backplate includes that board-like pressure-bearing baffle plate 4 and bar formula hold funnel 5, the rear end of board-like pressure-bearing baffle plate 4 and the back timber of advanced hydraulic support 1
Front end be connected, the rear end that the front end of board-like pressure-bearing baffle plate 4 holds funnel 5 with bar formula is connected；
Bar formula holds funnel 5 for strip, and its cross section is spoon shape structure, including the containing tank 501 of opening upwards with open
The arc connecting portion 502 that mouth is downward；Bar formula holds funnel 5 and includes multiple spoon shape structure reinforcing bars be arrangeding in parallel, and multiple spoon shape are tied
Structure reinforcing bar is fixed together by 3 strip reinforcement welding be arrangeding in parallel；
Back 3 is equipped with anchor net, arc connecting portion 502 is provided with anti-sticking baffle plate 8；Anti-sticking baffle plate 8 by
Hold-down bars 801, plane holder 802 and high-intensity resin plate 803 form, and hold-down bars 801 totally two, the bottom of hold-down bars 801 is fixed
In the both sides of arc connecting portion 502, the top of hold-down bars 801 is welded with the middle part of plane holder 802, and plane holder 802 grips
High-intensity resin plate 803；The distance of the top distance back 3 of high-intensity resin plate 803 is 20mm～40mm, wide and advanced
The width of hydraulic support 1 is consistent, and the angle between high-intensity resin plate 803 place plane and back 3 place plane is
15°。
When high-intensity resin plate 803 abrasion is more than 50mm, unclamps hold-down bars 801, high-intensity resin plate 803 is adjusted again
Whole becoming 15 ° to angle with back 3 place plane, top distance back 3 is apart from between 20-40mm and fix.
High-intensity resin plate 803 material is high-intensity resin, the meeting because the materials such as ferrum and anchor net or back 3 rub
Cause that temperature is too high, heating and the hidden danger such as spark；The design of this anti-sticking baffle plate 8 is in the case of top board laying anchor net
Use, be to design the most targetedly, sandstone can be blocked, prevent disrumpent feelings wire netting etc. to be involved in cylinder pressure-bearing row 2.Need
It is emphasized that 20mm～40mm and 15 ° of the two parameters are extremely important, it is only for lay in the case of anchor net at top board
Ad hoc meter, other parameters cannot meet.
Base plate prop includes bearing block 9, anti-drilling bottom baffle 10 and guide plate 11, bearing block 9 and advanced hydraulic support 1
The front end of base is connected, and is provided with the fixing groove 12 of up/down perforation, is provided with guide plate in fixing groove 12 in the middle part of bearing block 9
11, anti-drilling bottom baffle 10 is arc, and its lower end is connected with the front end of the bottom of bearing block 9, and the middle part of arc is to advanced liquid
The bottom of the direction of advance of pressure support 1 is protruded.
Guide plate 11 includes the 3rd fixed plate 301 and is connected to the cutting part 302 bottom the 3rd fixed plate 301, fixing
The both sides of the length direction of groove 12 are respectively arranged with the 4th fixed plate 901, are provided with pin hole 902 in the 4th fixed plate 901,
Being provided with fixing hole 303 in the 3rd fixed plate 301, fixing hole 303 passes through latch by the 3rd fixed plate 301 with pin hole 902
It is fixed in the 4th fixed plate 901；Cutting part 302 is cutter, and the bottom of the knife back and the 3rd fixed plate 301 is connected, after cutter
The bottom of end is connected to form the blade of arc with the front end of the knife back, mainly for incipient stage guide plate 11 can be pressed onto roadway floor
Hereinafter, guide effect is played.
Roadway floor is hard-caked sediment plate in being, allows that uniaxial compressive strength is 22.50～42.00MPa, described fixing hole 303 with
Distance between the lowermost end of described cutting part 302 be H+100mm, H be advance timbering base thickness, unit is mm.Consider
Base plate cutting resistance and turn to the demand relation between provided lateral pressure, through many experiments, for base plate
Type is in being in the case of hard-caked sediment plate, and the size of H+130mm is most suitable, and other sizes cannot realize.
Above scheme just can complete the purpose of the present invention, on this basis, also been proposed following preferred version:
The axis direction of cylindrical roller 201 is perpendicular with the direction of advance of advanced hydraulic support 1；At cylindrical roller
The center at the two ends of 201 is outward extended with a cylindrical iron 202 respectively, and iron 202 trend is flat with cylindrical roller 201
OK, the outer end of iron 202 has helicitic texture 203 and the fixing nut 204 matched with helicitic texture 203；
First iron 202 with last cylindrical roller 201 is provided with the first connector or second connect
Part, is provided with the first connector and the second connector on the iron 202 of other cylindrical roller 201；
First connector include a head rod 205 and two be separately fixed at the of head rod 205 two ends
Sleeve 206, first sleeve 206 is the hollow cylindrical of both ends open, and the internal diameter of first sleeve 206 is straight more than iron 202
Footpath, one of them first sleeve 206 is set on iron 202, and another first sleeve 206 is set in previous cylindrical roller
On the iron of 201；
Second connector include second connecting rod 207 and two be separately fixed at the of the second connecting rod 207 two ends
Two sleeve pipes 208, the second sleeve pipe 208 is the hollow cylindrical of both ends open, and the internal diameter of the second sleeve pipe 208 is straight more than iron 202
Footpath, one of them second sleeve pipe 208 is set on iron 202, and another second sleeve pipe 208 is set in later cylindrical roller
On the iron 202 of 201, it is sequentially connected with and arranges formation cylinder pressure-bearing row 2, fixing nut 204 of screwing on helicitic texture 203, whole
Individual cylinder pressure-bearing row 2 just can move with free bend.
A diameter of 4mm of iron 202, a length of 22mm, at first sleeve 206 and second sleeve pipe of same iron 202
The space of 6mm is had, it is ensured that the two rotates freely on iron 202 between 208.The a length of 4mm of helicitic texture 203, this
The design of sample is all to make iron short as far as possible, not by the outer back of cylinder is protruding or rubble is affected；First sleeve
206 and second the external diameter of sleeve pipe 208 be 7mm, internal diameter is 6mm, a length of 6mm；Head rod 205 and the second connecting rod 207
A diameter of 5mm, length 10mm bigger than the diameter of cylindrical roller 201, the external diameter of fixing nut 204 is 10mm, and internal diameter is
4mm.Diameter is the least, also for back is protruding or rubble is as far as possible without impinging on iron 202, because cylinder holds
Pressure huge for top just, is completely converted into cylindrical roller 201 and undertakes by the maximum innovative point of pressure 2 design, iron 202
Only undertake their turning effort, if in the middle of cylinder being design bearing, then the pressure that top board is huge can make bearing
Lost efficacy, it is impossible to play a role.So the iron 202 of bearing pressure should be the not shortest, in order to avoid outside cylindrical roller 201
Iron 202 is damaged by back 3 projection, simultaneously the shortest effect that can not play it completely, therefore this size
Design is relatively reasonable, and the size of the present invention is all decision design, it is not essential however to, it is formed without the limit to protection domain
System, the most such effect is more preferable.
Bar formula holds the effect of funnel 5 and mainly deposits the partial cylinder pressure-bearing row 2 stacked, convenient when moving frame,
Cylinder pressure-bearing row 2 rolls between back 3 and back timber along front back timber backplate, without manually aside looking after and make
Industry.
It is 490mm that bar formula holds funnel 5 height, and width is 450mm, a length of 480mm；Primarily to ensure that funnel has
Certain space holds cylinder pressure-bearing row, ensure that moment is not too large simultaneously, and bar formula holds funnel and can be born by some strength
Cylinder pressure-bearing arranges the pressure brought.
Bar formula holds " spoon " place of funnel 5, and i.e. the inclination maximum of arc connecting portion 502 is close to 80 °, then smooth with
Board-like pressure-bearing baffle plate 4 connects, and therebetween for welding, the reason so designed is that back 3 can regular being scattered
Rubble and bastard coal etc., such angle and ribbon can allow rubble etc. be rolled into bar formula and hold in funnel 5, eventually drop to tunnel
On base plate, reinforcement welding also can guarantee that strength demand, reduces ventilation windage simultaneously, it is ensured that drift section ventilation.This is not
Being necessary, be decision design, effect is more preferable.
Board-like pressure-bearing baffle plate 4 includes bearing plate, pressure block 403 and the first fixed plate 404, and pressure block 403 is solid squares
Iron block, its effect mainly bearing support back timber motive force forward, then drive board-like bearing plate 4 and bar formula to hold funnel
5 move.
Bearing plate includes horizontal plate 401 and the swash plate 402 of the front end being connected to horizontal plate 401, horizontal plate 401 and swash plate
402 is welding or integrated formed structure, and the top of pressure block 403 is fixed on the front side of the bottom of horizontal plate 401, horizontal plate 401
Rear side be fixed on the top of advanced hydraulic support 1, pressure block 403 contacts with the front end of advanced hydraulic support 1；First fixes
The side on the long limit of plate 404 is fixed on the middle part of swash plate 402, and opposite side is fixed on pressure block 403.
Horizontal plate 401 and swash plate 402 are made up of spring steel, equivalently-sized, are: thickness is 9mm, and a length of 680mm is wide
Degree is 450mm；Angle between swash plate 402 and horizontal plane is 5 °；The bottom of the first fixed plate 404 and the top of pressure block 403
Between distance be 80mm.The thickness of pressure block 403 is 150mm, a length of 350mm, and height is 450mm；Pressure block 403 carries
The back timber of advanced hydraulic support 1 motive force forward, then drives bearing plate and bar formula to hold funnel 5 and move.Thickness can
To ensure that steel plate has some strength and rigidity, pressure block 403 and the weight of partial cylinder pressure-bearing row 2 can be born and be subject to
The frictional force of back 3.The effect of board-like pressure-bearing baffle plate 4 mainly provides a space, makes follow-up cylinder pressure-bearing row 2
It is able to the mild space entered between back 3 and back timber.
The effect of the first fixed plate 404 has been mainly the effect supporting swash plate 402, at the work that swash plate 402 natural resiliency is firm
Under with, the cylinder pressure-bearing on top can be arranged 2 certain pressure, and shows a part of pressure that allows, mild to allow cylinder pressure-bearing arrange 2
The space entered between back 3 and back timber.Swash plate 402 can be provided high intensity to support by the first fixed plate 404, it is ensured that
Cylinder pressure-bearing row 2 will not damage the most greatly swash plate 402 part, a segment distance pressure block of the first fixed plate 404 welding by pressure because of pressure
403 upper end distances 80mm, this distance ensures to the point of application of pressure block 403 within back timber thickness range, by with back timber
Front end power is offset, and device will not cause the impact rotating unstability.
Rear back timber backplate includes collecting tank 6 and fixing device 7, and fixing device 7 includes the second fixed plate 701, and second fixes
The rear end of plate 701 is connected with collecting tank 6, and the front portion of the second fixed plate 701 is provided with first and fixes band 702 and fixing lock 703,
Second fixed plate 701 is fixed on the back timber of advanced hydraulic support 1；Collecting tank 6 Main Function is to catch the most gradually to land
Cylindrical roller 201, collecting tank 6 include horizonal base plate 601 and the front side board 602 being separately positioned on its front-end and back-end and after
Baffle plate 603, the upper end of front side board 602 is connected with the rear end of the second fixed plate 701.
The a length of 400mm of horizonal base plate 601, width is 480mm, and the height of front side board 602 is 300mm, backboard 603
Height be 120mm, a length of 300mm of the second fixed plate 701, horizonal base plate 601, front side board 602, backboard 603 and
The thickness of two fixed plates 701 is 12mm.Because cylindrical roller 201 weight is probably at about 35 jin, so 280mm
Distance ensures that they will not draw the attachment means between being broken too much because of hang, and the width of 380mm pushes up after also can guarantee that
Beam backplate can hold the cylinder pressure-bearing row 2 of general 1-2m length；The long 280mm in fixed structure left and right, above has first to fix band 702 He
Fixing lock 703, is inserted into fixed structure 7 between back 3 and back timber, fixes band 702 by first and tie up at set cap
On, utilize the pinning of fixing lock 703.Size is preferred version.
A length of 350mm in horizontal direction before and after anti-drilling bottom baffle 10, the height in upper and lower vertical direction is
400mm.The upper and lower of the rear end of bearing block 9 is connected to upper mounted plate 13 and bottom plate 14, advanced hydraulic support 1
The front end of base use second to fix band 15 and be fixed between upper mounted plate 13 and bottom plate 14, the length of upper mounted plate 13
Degree is 350mm, and thickness is 7mm.
The cross section of described 3rd fixed plate 301 on top 2/3rds be shaped as rectangle, the institute of bottom 1/3rd
State the 3rd fixed plate 301 cross section be shaped as trapezoidal, the length of the front end of described 3rd fixed plate 301 is less than the length of rear end
Degree.This is mainly designed to reduce resistance during passage at advanced hydraulic support 1.
A length of 430mm before and after bearing block 9, width is 450mm, the height of height and the base of advanced hydraulic support 1
Unanimously, a length of 300mm before and after fixing groove 12, width be the distance between 15mm, and the front end of bearing block 9 be 40mm, hold
Distance between the rear end of pouring weight 9 is 90mm；Ensure that during advanced hydraulic support 1 moves frame, have on the right side of bearing block 9 and fill
The stress area divided, it is ensured that the reliable and practicality of device of bearing block 9；Bearing block 9 is hinged with upper mounted plate 13, solid with lower
Determine plate 14 to be welded and fixed；Second fixes the long iron block that band 15 is steel wire sheet or molding.
A length of 290mm before and after guide plate 11, width the widest part is 13mm, and the narrowest place is 3～4mm, the thinnest the most disconnected
Splitting, the thickest resistance is too big, DeGrain；Ensure that guide plate 11 can be inserted in fixing groove 12 the most easily, and the seam of 2mm
Gap ensures that guide plate 11 will not be in loading process, because gap deviate from rectilinear movement state；It is highly 600mm；Fixing hole
The distance of the front end of centre distance the 3rd fixed plate 301 of 303 is 150mm, and the distance of rear end is 140mm, fixing hole 303 straight
Footpath is 25mm；A diameter of 12mm of pin hole 902, a diameter of 10mm of latch, it is ensured that latch can be inserted into pin hole 902 smoothly
With in fixing hole 303, and the diameter of 10mm ensure that the strength demand of latch.
The Assurance of Size of present invention latch can pass hole, and during moving frame, guide plate 11 can be at the work of resistance
Side shifting backward under with, guide plate 11 can with the contact point of right side and fixing groove 12 end as the center of circle, do one counterclockwise little
Width rotates, and probably brings the rotation of hole 8mm, and therefore, a diameter of 25mm of fixing hole 303 ensure that guide plate 11 bottom is with solid
When determining groove 303 right contact, latch and hole surrounding all have the space of at least 2mm, and latch will not be relatively big tangential by fixing hole 303
Power, and the diameter of 10mm also ensure that hole to latch shearing stress upwards to latch intensity considerable influence, it is ensured that device
Science is reliable.
Anti-drilling bottom baffle 10 is exactly mainly a curved plane shuttering panels, and Main Function is to push away at advanced hydraulic support 1
During shifting, the shaped form of self is utilized to design, it is ensured that whole device and advanced hydraulic support 1 base all receive one upwards
Component, it is to avoid before much under weak base plate, bores the situation at the end and occurs, enter simultaneously during advanced hydraulic support 1 passage
One step has been evaded because boring the sideslip of tail band, the generation of the dangerous situation such as rollover, guide plate 11 itself more can guarantee that device and
Advanced hydraulic support 1 is walked on one accurately programme path, safe and reliable, practical.
The method for protecting support of the advance support system for bolting with wire mesh of the present invention, comprises the steps:
(A) by the cylindrical roller 201 of cylinder pressure-bearing row 2, fixing nut the 204, first connector, the second connector, front
Back timber backplate and rear back timber backplate are transported to advance support region, down-hole；
It is directed to plate 11, bearing block 9 and anti-drilling bottom baffle 10 transport and arrives advanced hydraulic support 1 side, prop up at advanced hydraulic pressure
Frame 1 pan frontward end excavates the ditch of a deep 20mm slightly, by the bottom plate 14 of bearing block 9 along the end of advanced hydraulic support 1
Be gradually inserted below Zuo, insert at least 500mm, when resistance pushes away to enter more greatly, stop manual work, personnel away from support,
Move frame by advanced hydraulic support 1, progressively make bearing block 9 arrive the front end of advanced hydraulic support 1 base；Stop moving frame, use ferrum
Hammer all around beats bearing block 9 so that it is front and back align with about base so that it is parallel with base adjacent front and back；
(B) iron 202 of each cylindrical roller 201 installs the first connector and the second connector, connects and forms circle
Post pressure-bearing row 2, has just started cylinder pressure-bearing row 2 and has been installed to 4m, and wherein, first cylindrical roller 201 both sides, every side has only to peace
Fill first connector or the second connector, in order to connect cylindrical roller 201 below, when first cylindrical roller
After 201 roll out advanced hydraulic support 1, fixing nut 204 of can outwarding winding, it is connected to, before advanced hydraulic support 1, take over use；
When installing for the first time, advanced hydraulic support 1 front pillar pressure release, make back timber front end depart from top board 370-80mm, stop pressure release, by pressure-bearing
The horizontal plate 401 of plate 4 is inserted between advanced hydraulic support 1 and back 3, and mounted cylinder pressure-bearing row 2 is filled in top
Space between plate 3 and back timber；
(C) upper mounted plate 13 is rotated to above bearing block 9, fix band 15 by second upper mounted plate 13 is solid with lower
Determine plate 14 connect and be tightened；Putting into guide plate 11, ferrum, in moving direction front, is used in the edge of a knife direction of the bottom of guide plate 11
Hammer is directed to plate 11 and pounds the position of fixing hole 303 correspondence, inserts latch, and Fixed latches, with left and right two on rear side of fixing groove 12
The place that side contacts with guide plate 11, fills in a small amount of burlap or Corchorus olitorius L., reduces the hard contact between iron block, reduces as far as possible
The steering error that guide plate 11 is caused by the space of 2mm；
(D) do not stand within the 3m of support side people, and when preventing moving frame, top board leakage cash is hurted sb.'s feelings, before checking advanced hydraulic support 1
Side's situation, it is ensured that move frame path smooth, start to promote jack, sliding advance of support；When cylinder pressure-bearing row 2 has just been rolled to advanced
The when of in the middle part of frame back timber, to advanced hydraulic support 1 rear pillar pressure release, make top beam rear end depart from back 370-80mm, stop
Pressure release, is inserted into the second fixed plate 701 of fixing device 7 between advanced hydraulic support 1 and back 3, fixes first
Band 702 is tied up in set cap rear end, utilizes the locking of fixing lock 703, described second fixed plate 701 and collecting tank 6 is fixed on
After the back timber of described advanced hydraulic support 1；
(E) turn to when needs or during adjustment direction, stop moving frame, manually beat pressure block 1 side with iron hammer, make pressure-bearing
Block 1 forms little crack with the pan frontward end of advanced hydraulic support 1, fills in an appropriate number of small size standard iron block 16, uses one
The anglec of rotation of block trumpet standard iron block 16 is 2 °, lays particular number as required；When quantity is more than 3 pieces, use large size
Standard iron block 17, the angle of formation is 6 °；The length and width of described small size standard iron block 16 and high be respectively 150mm, 15mm and
150mm, described large size standard iron block 17 is trapezoidal, a length of 300mm, a width of 31mm of upper end, and a width of 47mm of lower end is a height of
150mm；
(F) complete to use for the first time, column pressure value before and after regulation, make before and after's column pressure suitable with original normal pressure value,
Ensureing that set cap is parallel with back 3, supporting is stable；
(G) being a circulation with advanced hydraulic support 1 often advance 2m, often advance 2m, by circle unnecessary in horizonal base plate 601
Cylindricality roller 201 is pulled down, and gets and above installs, and such 2m is a circulation.
Embodiment described above is only to be described the preferred embodiment of the present invention, the not model to the present invention
Enclose and be defined, on the premise of designing spirit without departing from the present invention, the those of ordinary skill in the art technical side to the present invention
Various deformation that case is made and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (10)
1. the advance support system for bolting with wire mesh, it is characterised in that: include roof timbering body and base plate prop；
Described roof timbering body includes advanced hydraulic support (1) and cylinder pressure-bearing row (2), and described cylinder pressure-bearing row (2) is by multiple
Cylindrical roller (201) is sequentially connected in series and forms, and described cylinder pressure-bearing row (2) is arranged on the back timber of described advanced hydraulic support (1)
And between back (3)；The length of described cylindrical roller (201) is consistent with advance timbering width, a diameter of 62mm；
The front end of the back timber of described advanced hydraulic support (1) is provided with front back timber backplate, and rear end is provided with rear back timber backplate；Described
Front back timber backplate includes that board-like pressure-bearing baffle plate (4) and bar formula hold funnel (5), the rear end of described board-like pressure-bearing baffle plate (4) and institute
The front end of the back timber stating advanced hydraulic support (1) is connected, and the front end of described board-like pressure-bearing baffle plate (4) and described bar formula hold funnel
(5) rear end is connected；
It is strip that described bar formula holds funnel (5), and its cross section is spoon shape structure, including the containing tank (501) of opening upwards
With the arc connecting portion (502) that Open Side Down；Described bar formula holds funnel (5) and includes multiple spoon shape structural steel be arrangeding in parallel
Muscle, multiple described spoon shape structure reinforcing bars are fixed together by 3 strip reinforcement welding be arrangeding in parallel；
Described back (3) is equipped with anchor net, described arc connecting portion (502) is provided with anti-sticking baffle plate (8)；Institute
State anti-sticking baffle plate (8) to be made up of hold-down bars (801), plane holder (802) and high-intensity resin plate (803), described hold-down bars (801)
Totally two, the bottom of described hold-down bars (801) is fixed on the both sides of described arc connecting portion (502), described hold-down bars (801)
Top is welded with the middle part of described plane holder (802), and plane holder (802) grips described high-intensity resin plate (803)；Described
The distance on top distance back (3) of high-intensity resin plate (803) is 20mm～40mm, wide and described advanced hydraulic support
(1) width is consistent, and the angle between described high-intensity resin plate (803) place plane and back (3) place plane is
15°；
Described base plate prop includes bearing block (9), anti-drilling bottom baffle (10) and guide plate (11), and described bearing block (9) is with super
The front end of the base of front hydraulic support (1) is connected, and is provided with the fixing groove (12) of up/down perforation at described bearing block (9) middle part,
Being provided with described guide plate (11) in described fixing groove (12), described anti-drilling bottom baffle (10) is arc, its lower end and institute
The front end of the bottom stating bearing block (9) is connected, and the middle part of described arc is to the direction of advance of described advanced hydraulic support (1)
Bottom is protruded；
Described guide plate (11) includes the 3rd fixed plate (301) and is connected to the cutting part of described 3rd fixed plate (301) bottom
(302), it is respectively arranged with the 4th fixed plate (901) in the both sides of the length direction of described fixing groove (12), solid the described 4th
Determine to be provided with on plate (901) pin hole (902), described 3rd fixed plate (301) is provided with fixing hole (303), Qi Zhongsuo
Stating fixing hole (303) and described pin hole (902), by latch, described 3rd fixed plate (301) to be fixed on the described 4th fixing
On plate (901)；Described cutting part (302) is cutter, and the knife back is connected with the bottom of described 3rd fixed plate (301), described cutter
The bottom of rear end and the front end of the described knife back be connected to form the blade of arc；
Roadway floor is hard-caked sediment plate in being, allows that uniaxial compressive strength is 22.50～42.00MPa, described fixing hole (303) and institute
State the distance between the lowermost end of cutting part (302) be H+130mm, H be advance timbering base thickness, unit is mm.
Advance support system for bolting with wire mesh the most according to claim 1, it is characterised in that: described cylindrical roller
(201) axis direction is perpendicular with the direction of advance of described advanced hydraulic support (1)；At described cylindrical roller (201)
The center at two ends is outward extended with a cylindrical iron (202) respectively, and the outer end of described iron (202) has helicitic texture
(203) the fixing nut (204) and with described helicitic texture (203) matched；
First iron (202) with last described cylindrical roller (201) is provided with the first connector or second
Connector, is provided with the first connector and second on the iron (202) of other described cylindrical roller (201) and connects
Part；
Described first connector include a head rod (205) and two be separately fixed at described head rod (205)
The first sleeve (206) at two ends, described first sleeve (206) is the hollow cylindrical of both ends open, described first sleeve (206)
Internal diameter more than the diameter of described iron (202), one of them described first sleeve (206) is set on described iron (202),
Another described first sleeve (206) is set on the iron of previous cylindrical roller (201)；
Described second connector include second connecting rod (207) and two be separately fixed at described second connecting rod (207)
Second sleeve pipe (208) at two ends, described second sleeve pipe (208) is the hollow cylindrical of both ends open, described second sleeve pipe (208)
Internal diameter more than the diameter of described iron (202), one of them described second sleeve pipe (208) is set on described iron (202),
Another described second sleeve pipe (208) is set on the iron (202) of later cylindrical roller (201), is sequentially connected with arrangement
Form described cylinder pressure-bearing row (2).
Advance support system for bolting with wire mesh the most according to claim 2, it is characterised in that: described iron (202)
A diameter of 4mm, a length of 22mm, wherein, a length of 4mm of described helicitic texture (203)；Described first sleeve (206) and
The external diameter of described second sleeve pipe (208) is 7mm, and internal diameter is 6mm, a length of 6mm；Described head rod (205) and described
A diameter of 5mm of two connecting rods (207), length than the big 10mm of diameter of described cylindrical roller (201), described fixing nut
(204) external diameter is 10mm, and internal diameter is 4mm.
Advance support system for bolting with wire mesh the most according to claim 3, it is characterised in that: described board-like pressure-bearing is kept off
Plate (4) includes bearing plate, pressure block (403) and the first fixed plate (404), and described pressure block (403) is solid squares iron block, holds
Pressing plate includes horizontal plate (401) and is connected to the swash plate (402) of front end of described horizontal plate (401), described horizontal plate (401) and
Described swash plate (402) is welding or integrated formed structure, and the top of described pressure block (403) is fixed on described horizontal plate (401)
The front side of bottom, the rear side of described horizontal plate (401) is fixed on the top of described advanced hydraulic support (1), described pressure block
(403) front end with described advanced hydraulic support (1) contacts；The side on the long limit of described first fixed plate (404) is fixed on institute
Stating the middle part of swash plate (402), opposite side is fixed on described pressure block (403).
Advance support system for bolting with wire mesh the most according to claim 4, it is characterised in that: described bar formula holds leakage
Bucket (5) height is 490mm, and width is consistent with advance timbering width, a length of 480mm；The thickness of described pressure block (403) is
150mm, a length of 350mm, height is 450mm；
Described horizontal plate (401) and described swash plate (402) are made up of spring steel, equivalently-sized, are: thickness is 9mm, a length of
680mm, width is consistent with advance timbering width；Angle between described swash plate (402) and horizontal plane is 5 °；Described first fixes
Distance between bottom and the top of described pressure block (403) of plate (404) is 80mm.
Advance support system for bolting with wire mesh the most according to claim 5, it is characterised in that: described rear back timber backplate
Including collecting tank (6) and fixing device (7), described fixing device (7) includes the second fixed plate (701), described second fixed plate
(701) rear end is connected with described collecting tank (6), and the front portion of described second fixed plate (701) is provided with first and fixes band
(702) and fixing lock (703), described second fixed plate (701) is fixed on the back timber of described advanced hydraulic support (1)；Institute
State collecting tank (6) and include horizonal base plate (601) and the front side board (602) being separately positioned on its front-end and back-end and backboard
(603), the upper end of described front side board (602) is connected with the rear end of described second fixed plate (701)；Described horizonal base plate (601)
A length of 400mm, width is 480mm, and the height of front side board (602) is 300mm, and the height of backboard (603) is 120mm,
The a length of 300mm of the second fixed plate (701), described horizonal base plate (601), described front side board (602), described backboard
And the thickness of described second fixed plate (701) is 12mm (603).
Advance support system for bolting with wire mesh the most according to claim 6, it is characterised in that: described anti-drilling bottom baffle
(10) a length of 350mm in horizontal direction before and after, the height in upper and lower vertical direction is 400mm；Described bearing block (9)
The upper and lower of rear end is connected to upper mounted plate (13) and bottom plate (14), the end of described advanced hydraulic support (1)
The front end of seat uses second to fix band (15) and is fixed between fixed plate (13) and described bottom plate (14), described
The a length of 350mm of upper mounted plate (13), thickness is 7mm；The cross section of described 3rd fixed plate (301) on top 2/3rds
Be shaped as rectangle, being shaped as of the cross section of described 3rd fixed plate (301) of bottom 1/3rd is trapezoidal, and the described 3rd is solid
The length of the front end determining plate (301) is less than the length of rear end.
Advance support system for bolting with wire mesh the most according to claim 7, it is characterised in that: described bearing block (9)
Before and after a length of 430mm, width and height and the width of the base of described advanced hydraulic support (1) and highly consistent, described
A length of 300mm before and after fixing groove (12), width is 15mm, and the distance between the front end of described bearing block (9) is 40mm,
Distance between the rear end of described bearing block (9) is 90mm；Described bearing block (9) is hinged with fixed plate (13), with institute
State bottom plate (14) to be welded and fixed；Described second fixes the long iron block that band (15) is steel wire sheet or molding.
Advance support system for bolting with wire mesh the most according to claim 8, it is characterised in that: described guide plate (11)
Before and after a length of 290mm, width the widest part is 13mm, and the narrowest place is 3～4mm, height be 600mm；Described fixing hole (303)
Centre distance described in the distance of front end of the 3rd fixed plate (301) be 150mm, the distance of rear end is 140mm, described fixing hole
(303) a diameter of 25mm；A diameter of 12mm of described pin hole (902), a diameter of 10mm of described latch.
10. using the method that the advance support system for bolting with wire mesh described in claim 9 carries out supporting, its feature exists
In: comprise the steps:
(A) by the cylindrical roller (201) of cylinder pressure-bearing row (2), fixing nut (204), the first connector, the second connector,
Front back timber backplate and rear back timber backplate are transported to advance support region, down-hole；
It is directed to plate (11), bearing block (9) and anti-drilling bottom baffle (10) transport and arrives advanced hydraulic support (1) side, at advanced liquid
Pressure support (1) pan frontward end excavates the ditch of a deep 20mm slightly, by the bottom plate (14) of bearing block (9) along advanced hydraulic pressure
It is gradually inserted below the base of support (1), inserts at least 500mm, when resistance pushes away to enter more greatly, stop manual work, people
Member, away from support, moves frame by advanced hydraulic support (1), before progressively making bearing block (9) arrive advanced hydraulic support (1) base
End；Stop moving frame, all around beat bearing block (9) with iron hammer so that it is front and back align with about base so that it is front and back and base
Parallel adjacent；
(B) iron (202) of each cylindrical roller (201) installs the first connector and the second connector, connects and forms circle
Post pressure-bearing row (2), has just started cylinder pressure-bearing row (2) and has been installed to 4m, and wherein, first cylindrical roller (201) both sides, every side is only
Need first connector or the second connector are installed, in order to connect cylindrical roller (201) below, when first cylinder
After shape roller (201) rolls out advanced hydraulic support (1), fixing nut (204) of can outwarding winding, it is connected to advanced hydraulic support (1)
Above, use is taken over；When installing for the first time, advanced hydraulic support (1) front pillar pressure release, make back timber front end depart from top board (3) 70-
80mm, stops pressure release, is inserted between advanced hydraulic support (1) and back (3) by the horizontal plate (401) of bearing plate (4),
Mounted cylinder pressure-bearing row (2) is filled in the space between top board (3) and back timber；
(C) upper mounted plate (13) is rotated to bearing block (9) top, by second fix band (15) by upper mounted plate (13) with
Bottom plate (14) connects and is tightened；Putting into guide plate (11), the edge of a knife direction of the bottom of guide plate (11) is in movement side
Forwards, being directed to plate (11) with iron hammer and pound the position that fixing hole (303) is corresponding, insert latch, Fixed latches, at fixing groove
(12) place that rear side contacts with guide plate (11) with the left and right sides, fills in a small amount of burlap or Corchorus olitorius L., reduces between iron block
Hard contact, reduce the steering error that guide plate (11) is caused by the space of 2mm as far as possible；
(D) do not stand within the 3m of support side people, and when preventing moving frame, top board leakage cash is hurted sb.'s feelings, and checks advanced hydraulic support (1) front
Situation, it is ensured that move frame path smooth, start to promote jack, sliding advance of support；When cylinder pressure-bearing row (2) has just been rolled to advanced
The when of in the middle part of frame back timber, to advanced hydraulic support (1) rear pillar pressure release, top beam rear end is made to depart from back (3) 70-80mm,
Stop pressure release, second fixed plate (701) of fixing device (7) is inserted into advanced hydraulic support (1) and back (3) it
Between, fix band (702) by first and tie up in set cap rear end, utilize fixing lock (703) locking, by described second fixed plate
(701) and after collecting tank (6) is fixed on the back timber of described advanced hydraulic support (1)；
(E) turn to when needs or during adjustment direction, stop moving frame, manually beat pressure block (1) side with iron hammer, make pressure block
(1) pan frontward end with advanced hydraulic support (1) forms little crack, fills in an appropriate number of small size standard iron block (16), adopts
It is 2 ° by the anglec of rotation of one piece of small size standard iron block (16), lays particular number as required；When quantity is more than 3 pieces, adopt
With large size standard iron block (17), the angle of formation is 6 °；The length and width of described trumpet standard iron block (16) and height respectively 150mm,
15mm and 150mm, described large size standard iron block (17) is trapezoidal, a length of 300mm, a width of 31mm of upper end, lower end a width of
47mm, a height of 150mm；
(F) complete to use for the first time, column pressure value before and after regulation, make before and after's column pressure suitable with original normal pressure value, it is ensured that
Set cap is parallel with back (3), and supporting is stable；
(G) being a circulation with advanced hydraulic support (1) often advance 2m, often advance 2m, by circle unnecessary in horizonal base plate (601)
Cylindricality roller (201) is pulled down, and gets and above installs, and such 2m is a circulation.
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| CN201610790065.XA CN106321135B (en) | 2016-08-30 | 2016-08-30 | A kind of advance support system and method for protecting support for bolting with wire mesh |
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| CN201610790065.XA CN106321135B (en) | 2016-08-30 | 2016-08-30 | A kind of advance support system and method for protecting support for bolting with wire mesh |
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| CN106321135A true CN106321135A (en) | 2017-01-11 |
| CN106321135B CN106321135B (en) | 2018-06-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106837387A (en) * | 2017-04-21 | 2017-06-13 | 中国矿业大学 | The installation apparatus and its application method of a kind of roadway support prestressed anchor net |
| CN109192048A (en) * | 2018-10-18 | 2019-01-11 | 上海外高桥造船有限公司 | A kind of hull assembly uses the training aid of jack |
| CN112343633A (en) * | 2020-10-30 | 2021-02-09 | 华北科技学院 | Advanced support method for mining roadway |
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| WO2004027215A1 (en) * | 2002-09-23 | 2004-04-01 | Lumb, Hilary, Leith | An apparatus for supporting a tunnel |
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| CN101936176A (en) * | 2010-08-07 | 2011-01-05 | 山西东华机械有限公司 | Hydraulic bracket assembling machine |
| CN102913265A (en) * | 2011-08-04 | 2013-02-06 | 郑州四维机电设备制造有限公司 | Circularly self-moving forepoling hydraulic support |
| CN203669865U (en) * | 2013-11-29 | 2014-06-25 | 单淑花 | Constant-support alpine bolter miner |
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| WO2004027215A1 (en) * | 2002-09-23 | 2004-04-01 | Lumb, Hilary, Leith | An apparatus for supporting a tunnel |
| CN200952404Y (en) * | 2006-04-27 | 2007-09-26 | 赵西寰 | Top beam rolling hydraulic prop |
| CN101936176A (en) * | 2010-08-07 | 2011-01-05 | 山西东华机械有限公司 | Hydraulic bracket assembling machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106837387A (en) * | 2017-04-21 | 2017-06-13 | 中国矿业大学 | The installation apparatus and its application method of a kind of roadway support prestressed anchor net |
| CN109192048A (en) * | 2018-10-18 | 2019-01-11 | 上海外高桥造船有限公司 | A kind of hull assembly uses the training aid of jack |
| CN109192048B (en) * | 2018-10-18 | 2020-07-17 | 上海外高桥造船有限公司 | Training teaching aid of jack is used in hull assembly |
| CN112343633A (en) * | 2020-10-30 | 2021-02-09 | 华北科技学院 | Advanced support method for mining roadway |
| CN112343633B (en) * | 2020-10-30 | 2022-06-17 | 华北科技学院 | Advanced support method for mining roadway |
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| CN106321135B (en) | 2018-06-05 |
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