CN106321134B - A kind of simple and reliable sliding advance of support device and application method - Google Patents
A kind of simple and reliable sliding advance of support device and application method Download PDFInfo
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- CN106321134B CN106321134B CN201610784376.5A CN201610784376A CN106321134B CN 106321134 B CN106321134 B CN 106321134B CN 201610784376 A CN201610784376 A CN 201610784376A CN 106321134 B CN106321134 B CN 106321134B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 100
- 229910052742 iron Inorganic materials 0.000 claims description 47
- 238000003466 welding Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000013461 design Methods 0.000 description 10
- 239000003245 coal Substances 0.000 description 6
- 238000005065 mining Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000009423 ventilation Methods 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
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of simple and reliable sliding advance of support device and application methods, described device includes advanced hydraulic support (1) and cylinder pressure-bearing row (2), the cylinder pressure-bearing row (2) is sequentially connected in series by multiple cylindrical rollers (201), multiple strip connected in stars (209) are evenly arranged on the surface of the cylindrical roller (201), the depth of the groove (209) is 1 2mm, distance apart from the cylindrical roller (201) both ends is 20 40mm, and the width of the groove (209) is 10 20mm.Stent can be made to be moved in the case that with pressure, also can increasing friction force ensure effect, apparatus structure is simple, at low cost, easy to operate, reliable and practical.
Description
Technical field
The present invention relates to coal mine roadway advance support field, more particularly to a kind of simple and reliable sliding advance of support device and
Application method.
Background technology
China《Safety regulations in coal mine》Clear stipulaties:The scope of coal working face crossheading advance support cannot be less than 20m.It passes
System Mining Face in Mining Area crossheading is generally adopted by hydraulic prop and makees advance support, with fully-mechanized mining working mechanization journey
The continuous improvement of degree, this support pattern is difficult to match with the production model of fully-mechanized mining working high-yield and high-efficiency, and this branch
There are the shortcomings of supporting intensity is low, labor strength is big, support speed is slow for shield mode.In order to solve these problems, coal section is total
The equipment manufacturings such as Taiyuan branch of institute, ZhengZhou mine machine Group Co., Ltd have developed the advance support liquid of different model
Press stent.These forepoling hydraulic supports meet the requirement of mine safety, high-yield and high-efficiency to a certain extent.But these are super
Preceding hydraulic support fails fundamentally to solve the problems, such as that fully-mechanized mining working crossheading top plate supports repeatedly broken.
The forepoling hydraulic support that China generally uses can be divided into according to the difference of design feature:High working face double leval jib
Forepoling hydraulic support, automatic moving type forepoling hydraulic support, saddle ride type forepoling hydraulic support and caterpillar track travelling
Forepoling hydraulic support etc..First three forepoling hydraulic support is required for taking drop frame, trying to stop people from fighting each other (or pushes away when moving frame
Frame), rise frame, adjustment, then drop frame and rise the actions such as frame.All there is repeatedly the technological deficiency of roof supporting, this is to the steady of top plate
Qualitative and integrality has very havoc, can be to subsequently moving frame, and supporting and safe working bring very big hidden danger.For crawler belt row
Thus success will follow that the support repeatedly of top plate is avoided to crush for the formula forepoling hydraulic support of walking.But such moving manner is produced
Raw sliding friction can it is serious influence the stent service life, and can bring forward resistance it is larger, walking it is extremely unstable
The defects of, easily damage to the safety of tunnel personnel.
There are a kind of design (reference papers at present:《Novel crawler walking forepoling hydraulic support is developed and crucial skill
Art research》), refer to the top beam of advanced hydraulic support and pedestal is all with tracked, top beam is equipped with mechanical, electrical, the organic knot of liquid
The pressure feedback system of conjunction, power crawler belt are driven by moving tooth hydraulic pressure rainbow.The driving device of top beam crawler belt and pedestal crawler belt
It is connected between driving device by hydraulic servo synchronization loop system.This connection mode causes the speed of crawler belt and lower crawler belt to reach
To consistent, reduce the friction of crawler belt and top plate, but crawler type design there are the problem of;Upper crawler belt is to roll to rub with top plate
It wipes, but crawler belt and set cap are sliding frictions, serious can influence the service life of the stent, and crawler belt can be brought to rotate
Resistance is big, rotates the defects of extremely unstable, if front and rear driving wheel is sufficiently large, crawler belt will not be contacted with set cap, so as to
There is no sliding friction, but under weight, the pressure that two driving wheel bearings are born will be that whole top plates are added on stent
Power, this is unaffordable.Meanwhile this stent industry application feasibility needs to be investigated, and at least insofar, and has no
Its commercial introduction, so being not belonging to the present invention to the improved discussion scope of traditional advance timbering.
A kind of automatic moving type advance support racks with caterpillar band top beam of CN201310413286, situation is similar with top, carries out
Band is sliding friction with set cap, serious can influence the service life of the stent, and can bring that crawler belt rotary resistance is big, turns
The defects of dynamic extremely unstable.Meanwhile this stent industry application feasibility needs to be investigated, and at least insofar, and has no
Its commercial introduction, so being not belonging to the improved discussion scope of traditional advance timbering.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of letters simple in structure, at low cost, easy to operate, reliable and practical
Single reliable sliding advance of support device.
The present invention also provides a kind of application methods using the simple and reliable sliding advance of support device.
A kind of simple and reliable sliding advance of support device is arranged, the cylinder pressure-bearing including advanced hydraulic support and cylinder pressure-bearing
Row is sequentially connected in series by multiple cylindrical rollers, and the cylinder pressure-bearing row is arranged on top beam and the lane of the advanced hydraulic support
Between road top plate, length and the advance timbering equivalent width of the cylindrical roller, a diameter of 65mm;
Multiple strip connected in stars are evenly arranged on the surface of the cylindrical roller, the depth of the groove is 1-
2mm, the distance apart from the cylindrical roller both ends are 20-40mm, and the width of the groove is 10-20mm.
Simple and reliable sliding advance of support device of the present invention, wherein, the axis direction of the cylindrical roller and institute
The direction of advance for stating advanced hydraulic support is perpendicular;One is outward extended with respectively at the center at the both ends of the cylindrical roller
Cylindrical iron, the outer end of the iron have helicitic texture and with the matched fixing nut of the helicitic texture;
The first connector or the second connector are provided on first iron with the last one cylindrical roller,
The first connector and the second connector are both provided on the iron of other cylindrical rollers,
First connector includes a head rod and the first sleeve for being fixed on the head rod both ends,
The first sleeve is the hollow cylindrical of both ends open, and the internal diameter of the first sleeve is more than the diameter of the iron, wherein
One first sleeve is set on the iron, another first sleeve is set in the iron of previous cylindrical roller
On bar;
Second connector includes second connecting rod and the second casing for being fixed on the second connecting rod both ends,
Second casing is the hollow cylindrical of both ends open, and the internal diameter of second casing is more than the diameter of the iron, wherein
One second casing is set on the iron, another second casing is set in the iron of the latter cylindrical roller
On bar, it is sequentially connected cylinder pressure-bearing described in arrangement form and arranges.
Simple and reliable sliding advance of support device of the present invention, wherein, a diameter of 4mm of the iron, length is
22mm, wherein, the length of the helicitic texture is 4mm;The outer diameter of the first sleeve and second casing be 7mm, internal diameter
For 6mm, length 6mm;A diameter of 4mm of the head rod and second connecting rod, length is than the cylindrical rolling
The big 10mm of diameter of wheel, the outer diameter of the fixing nut is 10mm, internal diameter 4mm.
Simple and reliable sliding advance of support device of the present invention, wherein, the front end of the top beam of the advanced hydraulic support
Top beam backplate before being provided with, all end are provided with rear top beam backplate;The preceding top beam backplate includes board-like pressure-bearing baffle and formula is contained
Funnel is put, the rear end of the board-like pressure-bearing baffle is connected with the front end of the top beam of the advanced hydraulic support, the board-like pressure-bearing
The front end of baffle is connected with the rear end that the debugging holds funnel.
Simple and reliable sliding advance of support device of the present invention, wherein, described formula holds funnel as strip, horizontal
Section is spoon shape structure, the containing tank including opening upwards and the arc connecting portion that Open Side Down;
The board-like pressure-bearing baffle includes bearing plate, pressure block and the first fixed plate, and the pressure block is solid squares iron
Block, bearing plate include level board and are connected to the inclined plate of the horizontal front edge of board, the level board and the inclined plate for welding or
Integrated formed structure, the front side of the bottom of the level board is fixed at the top of the pressure block, and the rear side of the level board is consolidated
It is scheduled at the top of the advanced hydraulic support, the pressure block is in contact with the front end of the advanced hydraulic support;Described first is solid
The one side of fixed board length direction is fixed on the middle part of the inclined plate, and opposite side is fixed on the pressure block.
Simple and reliable sliding advance of support device of the present invention, wherein, described formula holds funnel including multiple parallel
The spoon shape structure reinforcing bars of setting, the strip reinforcement welding that multiple spoon shape structure reinforcing bars are arranged in parallel by 3 are fixed on one
It rises.
Simple and reliable sliding advance of support device of the present invention, wherein, described formula holds hopper level as 430mm,
Width and advance timbering equivalent width, length 550mm;The thickness of the pressure block is 130mm, and length 300mm is highly
400mm;
The level board and the inclined plate are made of spring steel, and size is identical, is:Thickness is 7mm, length 750mm,
Width and advance timbering equivalent width;Angle between the inclined plate and horizontal plane is 3 °;The bottom of first fixed plate with
The distance between top of the pressure block is 65mm.
Simple and reliable sliding advance of support device of the present invention, wherein, the rear top beam backplate is including collecting tank and admittedly
Determine device, the fixing device includes the second fixed plate, and the rear end of second fixed plate is connected with the collecting tank, and described the
The forepart of two fixed plates is provided with fixed strip band and fixing lock, and second fixed plate is fixed on the advanced hydraulic support
On top beam;The collecting tank includes horizonal base plate and the front side board and rear baffle that are separately positioned on its front-end and back-end, before described
The upper end of side plate is connected with the rear end of second fixed plate.
Simple and reliable sliding advance of support device of the present invention, wherein, the length of the horizonal base plate is 360mm, wide
It spends for 480mm, the height of front side board is 260mm, and the height of rear baffle is 130mm, and the length of the second fixed plate is 260mm, institute
The thickness for stating horizonal base plate, the front side board, the rear baffle and second fixed plate is 10mm.
The application method of simple and reliable sliding advance of support device of the present invention, includes the following steps:
(A) cylindrical roller, fixing nut, the first connector, the second connector, the preceding top beam backplate arranged cylinder pressure-bearing
Underground advance support region is transported to rear top beam backplate;
(B) iron of each cylindrical roller installs the first connector and the second connector, and connection forms cylinder pressure-bearing
Row has just started cylinder pressure-bearing row and has been installed to 4m, wherein, first cylindrical roller both sides only needs installation one first per side
Connector or the second connector, to connect cylindrical roller below, when first cylindrical roller rolls out advanced hydraulic pressure branch
After frame, fixing nut can be unscrewed, is connected to before advanced hydraulic support, take over use;
(C) when installing for the first time, advanced hydraulic support front pillar pressure release makes top beam front end depart from top plate 70-80mm, stops letting out
Pressure, the level board of bearing plate is inserted between advanced hydraulic support and top plate, and mounted cylinder pressure-bearing row is filled in top plate
Gap between top beam;
(D) not stand people beside stent within 3m, and top plate leakage cash is hurted sb.'s feelings when preventing from moving frame, is checked in front of advanced hydraulic support
Situation, it is ensured that shifting frame path is flat, starts to promote jack, sliding advance of support;
(E) when cylinder pressure-bearing row has just been rolled in the middle part of advance timbering top beam, advanced hydraulic support rear pillar is let out
Pressure makes top beam rear end depart from back 70-80mm, stops pressure release, the second fixed plate of fixing device is inserted into advanced liquid
Press between stent and top plate, fixed strip band tied up in set cap rear end, is locked using fixing lock, will second fixed plate with
After collecting tank is fixed on the top beam of the advanced hydraulic support;
(F) first use is completed, column pressure value before and after adjusting makes front and rear column pressure suitable with original normal pressure value,
Ensure that set cap is parallel with top plate, supporting is stablized;
(G) using advanced hydraulic support, often advance 2m is a Xun Huan, and often advance 2m, by cylinder extra in horizonal base plate
Idler wheel removes, and gets front and installs, and such 2m is a Xun Huan.
The simple and reliable sliding advance of support device difference from prior art of the present invention is:
In conventional method, when the advance of the face, advanced hydraulic support is also required to forward impelling, in the process of this propulsion
In, be first pressure release, when top beam and the back of stents depart from certain distance, forward impelling, promote certain distance and then
Stent is jacked up, because stent, during passage, route can't be walked according to straight line, also needs to adjust, pressure release again,
Guarantee will not be pressed onto the support anchor rod and anchor cable of top plate.So roof cracking is serious during this, to the coal mining in later stage
Very big hidden danger is left, roof cracking can cause the leakage of gas, water gas etc., when particularly stent moves below, have substantial amounts of
Top plate rubble etc. is caving, and a large amount of unnecessary influences and some potential safety problems are caused on safety in production.
The simple and reliable sliding advance of support device of the present invention is laid with cylinder pressure-bearing row between top plate and set cap, so may be used
By, directly with pressure, by jack from stent is promoted below, there is no need to pressure releases for such stent in the form of rolling friction
Repressurization, direct such forward impelling, hardly causes top plate any destruction.Apparatus structure of the present invention is simple, into
This is low, easy to operate, reliable and practical.
The simple and reliable sliding advance of support device of the present invention is described further below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the structure diagram of the simple and reliable sliding advance of support device of the present invention;
Fig. 2 is the structure diagram of cylindrical roller in the simple and reliable sliding advance of support device of the present invention;
Fig. 3 is the structure diagram of the preceding top beam backplate in the simple and reliable sliding advance of support device of the present invention;
Fig. 4 holds the overlooking the structure diagram of funnel for the formula in preceding top beam backplate;
Fig. 5 is the structure diagram of the rear top beam backplate in the simple and reliable sliding advance of support device of the present invention.
Specific embodiment
Embodiment 1
As shown in Fig. 1~Fig. 5, a kind of simple and reliable sliding advance of support device, including advanced hydraulic support 1 and cylinder pressure-bearing
Row 2, cylinder pressure-bearing row 2 are sequentially connected in series by multiple cylindrical rollers 201, and cylinder pressure-bearing row 2 is arranged on advanced hydraulic support 1
Top beam and back 3 between, the cylindrical roller 201 is rolled when advanced hydraulic support 1 advances;In back 3
Cylinder pressure-bearing row 2 is laid between the top beam of advanced hydraulic support 1, it so can be in the form of rolling friction directly with pressure
Power, by jack from advanced hydraulic support 1 is promoted below, so there is no need to pressure release repressurization, direct such forward impelling,
Any destruction is hardly caused to back 3.For support width in terms of 450mm, the length of cylindrical roller 201 is 450mm,
A diameter of 65mm, too small, top plate may be contacted directly with top beam, can not play the effect of rolling friction, too big pressure-bearing cylinder
Gap between body can also increase, and top plate rubble is trapped into, and being likely to result in pressure-bearing cylinder will not rotate, and can not also play cunning
The effect of dynamic friction, therefore this size is relatively reasonable and science.
Multiple strip connected in stars 209 are evenly arranged on the surface of cylindrical roller 201, are equivalent to screw thread, increase rubs
Power is wiped, the depth of groove 209 is 1-2mm, and the distance apart from 201 both ends of cylindrical roller is 20-40mm, the width of groove 209
For 10-20mm.
Above scheme can complete the purpose of the present invention, on this basis, have also been proposed following preferred embodiment:
The axis direction of cylindrical roller 201 and the direction of advance of advanced hydraulic support 1 are perpendicular;In cylindrical roller
The center at 201 both ends is outward extended with a cylindrical iron 202 respectively, and the trend of iron 202 is flat with cylindrical roller 201
Row, the outer end of iron 202 have helicitic texture 203 and with 203 matched fixing nut 204 of helicitic texture;
The first connector or the second connection are provided on first iron 202 with the last one cylindrical roller 201
Part is both provided with the first connector and the second connector on the iron 202 of other cylindrical rollers 201;
First connector includes that a head rod 205 and two are separately fixed at 205 both ends of head rod
Sleeve 206, first sleeve 206 are the hollow cylindrical of both ends open, and the internal diameter of first sleeve 206 is more than the straight of iron 202
Footpath, one of first sleeve 206 are set on iron 202, another first sleeve 206 is set in previous cylindrical roller
On 201 iron;
Second connector includes that second connecting rod 207 and two are separately fixed at 207 both ends of the second connecting rod
Two casings 208, the second casing 208 are the hollow cylindrical of both ends open, and the internal diameter of the second casing 208 is more than the straight of iron 202
Footpath, one of them second casing 208 are set on iron 202, another second casing 208 is set in the latter cylindrical roller
On 201 iron 202, arrangement form cylinder pressure-bearing row 2 is sequentially connected, fixing nut 204 is screwed on helicitic texture 203, it is whole
A cylinder pressure-bearing row 2 can free bend movement.
A diameter of 4mm of iron 202, length 22mm, in 206 and second casing of first sleeve of same root iron 202
There is the space of 6mm between 208, it is ensured that the two rotates freely on iron 202.The length of helicitic texture 203 is 4mm, this
The design of sample is all to make iron short as far as possible, from the influence of back protrusion or rubble outside cylinder;First sleeve
206 and second casing 208 outer diameter be 7mm, internal diameter 6mm, length 6mm;205 and second connecting rod 207 of head rod
A diameter of 4mm, length is bigger 10mm than the diameter of cylindrical roller 201, and the outer diameter of fixing nut 204 is 10mm, and internal diameter is
4mm.Diameter is small as far as possible, also for back protrusion or rubble as far as possible without impinging on iron 202, because cylinder is held
The huge pressure in top just, is completely converted into cylindrical roller 201 to undertake, iron 202 by the maximum innovative point that pressure 2 designs
Their turning effort is only undertaken, if being design bearing among cylinder, then the huge pressure of top plate can make bearing
Failure, can not play a role.So the iron 202 for not carrying pressure should be as short as possible, in order to avoid 201 outside of cylindrical roller
The protrusion of back 3 damages iron 202, at the same it is too short can not play its effect completely, therefore this size
Design is that relatively reasonable, of the invention size is all preferred design, it is not essential however to, the limit to protection domain is not formed
System, simply such effect is more preferable.
Top beam backplate before the front end of the top beam of advanced hydraulic support 1 is provided with, rear end is provided with rear top beam backplate;Preceding top beam
Backplate includes board-like pressure-bearing baffle 4 and a formula holds funnel 5, the rear end of board-like pressure-bearing baffle 4 and the top beam of advanced hydraulic support 1
Front end be connected, the rear end that the front end of board-like pressure-bearing baffle 4 holds funnel 5 with formula is connected.Formula holds the effect master of funnel 5
If storing the partial cylinder pressure-bearing row 2 stacked, convenient when moving frame, cylinder pressure-bearing row 2 rolls into along preceding top beam backplate
Between back 3 and top beam, without manually aside looking after and operation.
Formula holds funnel 5 as strip, and cross section is spoon shape structure, containing tank 501 including opening upwards and opens
The downward arc connecting portion 502 of mouth;Formula, which holds funnel 5, includes multiple spoon shape structure reinforcing bars being arranged in parallel, multiple spoon shape knots
The strip reinforcement welding that structure reinforcing bar is arranged in parallel by 3 is fixed together.
Formula holds 5 height of funnel as 430mm, width 450mm, length 550mm;Primarily to ensure that funnel has
Certain space holds cylinder pressure-bearing row, while ensure that torque is not too large, and a formula holds funnel and can be born by some strength
The pressure that cylinder pressure-bearing row brings.
Formula is held at " spoon " of funnel 5, i.e. the inclination maximum of arc connecting portion 502 close to 80 °, it is then smooth with
Board-like pressure-bearing baffle 4 connects, and the reason for being welding therebetween, so designing is that back 3 regular can be scattered
Rubble and bastard coal etc., such angle and ribbon can allow rubble etc. to be rolled into a formula and hold in funnel 5, eventually drop to tunnel
On bottom plate, reinforcement welding also can guarantee strength demand, while reduce ventilation windage, ensure that drift section ventilation quantity.This is not
It is necessary, is preferred design, effect is more preferable.
Board-like pressure-bearing baffle 4 includes bearing plate, 403 and first fixed plate 404 of pressure block, and pressure block 403 is solid squares
Iron block, its effect are mainly the forward motive force of bearing support top beam, and board-like bearing plate 4 and a formula is then driven to hold funnel
5 move.
Bearing plate includes level board 401 and is connected to the inclined plate 402 of the front end of level board 401, level board 401 and inclined plate
402 are fixed on the front side of the bottom of level board 401, level board 401 for welding or integrated formed structure, the top of pressure block 403
Rear side be fixed on the top of advanced hydraulic support 1, pressure block 403 is in contact with the front end of advanced hydraulic support 1;First fixes
The one side of 404 long side of plate is fixed on the middle part of inclined plate 402, and opposite side is fixed on pressure block 403.
Level board 401 and inclined plate 402 are made of spring steel, and size is identical, is:Thickness is 7mm, length 750mm, wide
It spends for 450mm;Angle between inclined plate 402 and horizontal plane is 3 °;The bottom of first fixed plate 404 and the top of pressure block 403
The distance between be 65mm.The thickness of pressure block 403 is 130mm, length 300mm, is highly 400mm;Pressure block 403 carries
Then the forward motive force of top beam of advanced hydraulic support 1 drives bearing plate and a formula to hold funnel 5 and move.Thickness can
To ensure that steel plate has some strength and rigidity, the weight of pressure block 403 and partial cylinder pressure-bearing row 2 can be born and be subject to
Back 3 frictional force.The effect of board-like pressure-bearing baffle 4 is mainly to provide a space, makes subsequent cylinder pressure-bearing row 2
It is able to the gentle space between back 3 and top beam.
The effect of first fixed plate 404 mainly plays a part of to support inclined plate 402, in the firm work of 402 natural resiliency of inclined plate
Under, can arrange 2 to the cylinder pressure-bearing on top has certain pressure, and shows the pressure that allows of a part, to make cylinder pressure-bearing row 2 gentle
Into the space between back 3 and top beam.First fixed plate 404 can provide inclined plate 402 high intensity support, ensure
Cylinder pressure-bearing row 2 will not damage very much 402 part of inclined plate, a distance pressure block of the first fixed plate 404 welding by pressure greatly because of pressure
403 upper end distance 65mm, this distance ensure to the point of application of pressure block 403 within top beam thickness range, by with top beam
Front end power is offset, and the influence of rotation unstability will not be caused to device.
Top beam backplate includes collecting tank 6 and fixing device 7 afterwards, 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 forepart of the second fixed plate 701 is provided with fixed strip band 702 and fixing lock 703, by
Two fixed plates 701 are fixed on the top beam of advanced hydraulic support 1;6 main function of collecting tank is to catch the circle gradually to land down
Cylindricality idler wheel 201, collecting tank 6 include horizonal base plate 601 and the front side board 602 and rear baffle that are separately positioned on its front-end and back-end
603, the upper end of front side board 602 is connected with the rear end of the second fixed plate 701.
The length of horizonal base plate 601 is 360mm, width 480mm, and the height of front side board 602 is 260mm, rear baffle 603
Height for 130mm, the length of the second fixed plate 701 is 260mm, horizonal base plate 601, front side board 602, rear baffle 603 and the
The thickness of two fixed plates 701 is 10mm.Because 201 weight of cylindrical roller is probably at 35 jin or so, 260mm's
Distance ensures that they will not draw the attachment device between being broken because of the too many of suspension, and the width of 360mm pushes up after also can guarantee
Beam backplate can hold the cylinder pressure-bearing row 2 of general 1-2m long;The long 260mm of fixed structure or so above has fixed strip band 702 and fixes
Lock 703, fixed structure 7 is inserted between back 3 and top beam, fixed strip band 702 is tied up on set cap, using admittedly
Lock 703 locks.Size is preferred embodiment.
The application method of the simple and reliable sliding advance of support device of the present invention, includes the following steps:
(A) by the cylindrical roller 201 of cylinder pressure-bearing row 2, fixing nut 204, the first connector, the second connector, preceding
Top beam backplate and rear top beam backplate are transported to underground advance support region;
(B) iron 202 of each cylindrical roller 201 installs the first connector and the second connector, and connection forms circle
Column pressure-bearing row 2 has just started cylinder pressure-bearing row 2 and has been installed to 4m, wherein, first 201 both sides of cylindrical roller only needs to pacify per side
First connector or the second connector are filled, to connect cylindrical roller 201 below, when first cylindrical roller
After 201 roll out advanced hydraulic support 1, fixing nut 204 can be unscrewed, 1 front of advanced hydraulic support is connected to, takes over use;
(C) for the first time install when, 1 front pillar pressure release of advanced hydraulic support, make top beam front end depart from back 3 distance be
70-80mm stops pressure release, the level board 401 of bearing plate 4 is inserted between advanced hydraulic support 1 and back 3, will be pacified
The cylinder pressure-bearing row 2 installed fills in the gap between back 3 and top beam;
(D) not stand people beside stent within 3m, and top plate leakage cash is hurted sb.'s feelings when preventing from moving frame, before checking advanced hydraulic support 1
Square situation, it is ensured that shifting frame path is flat, starts to promote jack, sliding advance of support;
(E) when cylinder pressure-bearing row 2 has just been rolled in the middle part of advance timbering top beam, to 1 rear pillar of advanced hydraulic support
Pressure release makes top beam rear end depart from the distance of back 3 for 70-80mm, stops pressure release, by the second fixed plate of fixing device 7
701 are inserted between advanced hydraulic support 1 and back 3, and fixed strip band 702 is tied up in set cap rear end, utilizes fixation
703 locking of lock, after second fixed plate 701 and collecting tank 6 to be fixed on to the top beam of the advanced hydraulic support 1;
(F) first use is completed, column pressure value before and after adjusting makes front and rear column pressure suitable with original normal pressure value,
Ensure that set cap is parallel with top plate, supporting is stablized;
(G) using advanced hydraulic support 1, often advance 2m is a Xun Huan, and often advance 2m, by circle extra in horizonal base plate 601
Cylindricality idler wheel 201 removes, and gets front and installs, and such 2m is a Xun Huan.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to the technical side of the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain that claims of the present invention determines.
Claims (9)
1. a kind of simple and reliable sliding advance of support device, it is characterised in that:It is arranged including advanced hydraulic support (1) and cylinder pressure-bearing
(2), the cylinder pressure-bearing row (2) is sequentially connected in series by multiple cylindrical rollers (201), and the cylinder pressure-bearing row (2) is set
Between the top beam of the advanced hydraulic support (1) and back (3);The length of the cylindrical roller (201) with it is advanced
Support width is consistent, a diameter of 65mm;
Multiple strip connected in stars (209), the groove (209) are evenly arranged on the surface of the cylindrical roller (201)
Depth for 1-2mm, the distance apart from the cylindrical roller (201) both ends is 20-40mm, the width of the groove (209)
For 10-20mm;
The direction of advance of the axis direction and the advanced hydraulic support (1) of the cylindrical roller (201) is perpendicular;Described
The center at the both ends of cylindrical roller (201) is outward extended with a cylindrical iron (202), the iron (202) respectively
Outer end have helicitic texture (203) and with the helicitic texture (203) matched fixing nut (204);
The first connector or second are provided on first iron (202) with the last one cylindrical roller (201)
Connector is both provided with the first connector and the second connection on the iron (202) of other cylindrical rollers (201)
Part,
First connector includes a head rod (205) and two are separately fixed at the head rod (205)
The first sleeve (206) at both ends, the first sleeve (206) be both ends open hollow cylindrical, the first sleeve (206)
Internal diameter be more than the diameter of the iron (202), one of them described first sleeve (206) is set on the iron (202),
Another described first sleeve (206) is set on the iron of previous cylindrical roller (201);
Second connector includes second connecting rod (207) and two are separately fixed at second connecting rod (207)
Second casing (208) at both ends, second casing (208) be both ends open hollow cylindrical, second casing (208)
Internal diameter be more than the diameter of the iron (202), one of them described second casing (208) is set on the iron (202),
Another described second casing (208) is set on the iron (202) of the latter cylindrical roller (201), is sequentially connected arrangement
Form the cylinder pressure-bearing row (2).
2. simple and reliable sliding advance of support device according to claim 1, it is characterised in that:The iron (202) it is straight
Footpath is 4mm, length 22mm, wherein, the length of the helicitic texture (203) is 4mm;The first sleeve (206) and described
The outer diameter of second casing (208) is 7mm, internal diameter 6mm, length 6mm;The head rod (205) and described second connects
A diameter of 4mm of extension bar (207), length are bigger 10mm than the diameter of the cylindrical roller (201), the fixing nut (204)
Outer diameter be 10mm, internal diameter 4mm.
3. simple and reliable sliding advance of support device according to claim 2, it is characterised in that:The advanced hydraulic support
(1) top beam backplate before the front end of top beam is provided with, rear end is provided with rear top beam backplate;The preceding top beam backplate includes board-like hold
Pressure baffle (4) and a formula hold funnel (5), the rear end of the board-like pressure-bearing baffle (4) and the top of the advanced hydraulic support (1)
The front end of beam is connected, and the rear end that the front end of the board-like pressure-bearing baffle (4) holds funnel (5) with described formula is connected.
4. simple and reliable sliding advance of support device according to claim 3, it is characterised in that:Described formula holds funnel
(5) it is strip, cross section is spoon shape structure, and the containing tank (501) including opening upwards is connected with the arc that Open Side Down
Portion (502);
The board-like pressure-bearing baffle (4) includes bearing plate, pressure block (403) and the first fixed plate (404), the pressure block
(403) it is solid squares iron block, bearing plate includes level board (401) and is connected to the inclined plate of the front end of the level board (401)
(402), the level board (401) and the inclined plate (402) are welding or integrated formed structure, the top of the pressure block (403)
Portion is fixed on the front side of the bottom of the level board (401), and the advanced hydraulic pressure branch is fixed on rear side of the level board (401)
The top of frame (1), the pressure block (403) are in contact with the front end of the advanced hydraulic support (1);First fixed plate
(404) one side of long side is fixed on the middle part of the inclined plate (402), and opposite side is fixed on the pressure block (403).
5. simple and reliable sliding advance of support device according to claim 4, it is characterised in that:Described formula holds funnel
(5) multiple spoon shape structure reinforcing bars being arranged in parallel, the strip steel that multiple spoon shape structure reinforcing bars are arranged in parallel by 3 are included
Muscle is welded and fixed together.
6. simple and reliable sliding advance of support device according to claim 5, it is characterised in that:Described formula holds funnel
(5) it is highly 430mm, width and advance timbering equivalent width, length 550mm;The thickness of the pressure block (403) is
130mm, length 300mm are highly 400mm;
The level board (401) and the inclined plate (402) are made of spring steel, and size is identical, is:Thickness is 7mm, and length is
750mm, width and advance timbering equivalent width;Angle of the inclined plate (402) between horizontal plane is 3 °;Described first fixes
The distance between the bottom of plate (404) and the top of the pressure block (403) are 65mm.
7. simple and reliable sliding advance of support device according to claim 3, it is characterised in that:Top beam backplate includes after described
Collecting tank (6) and fixing device (7), the fixing device (7) include the second fixed plate (701), second fixed plate (701)
Rear end be connected with the collecting tank (6), the forepart of second fixed plate (701) is provided with fixed strip band (702) and fixed
It locks (703), second fixed plate (701) is fixed on the top beam of the advanced hydraulic support (1);The collecting tank (6)
Including horizonal base plate (601) and it is separately positioned on the front side board (602) of its front-end and back-end and rear baffle (603), the front side
The upper end of plate (602) is connected with the rear end of second fixed plate (701).
8. simple and reliable sliding advance of support device according to claim 7, it is characterised in that:The horizonal base plate (601)
Length for 360mm, width 480mm, the height of front side board (602) is 260mm, and the height of rear baffle (603) is 130mm,
The length of second fixed plate (701) be 260mm, the horizonal base plate (601), the front side board (602), the rear baffle
(603) and the thickness of second fixed plate (701) is 10mm.
9. the application method of the simple and reliable sliding advance of support device described in claim 8, it is characterised in that:Including walking as follows
Suddenly:
(A) by the cylinder pressure-bearing row cylindrical roller (201) of (2), fixing nut (204), the first connector, the second connector,
Preceding top beam backplate and rear top beam backplate are transported to underground advance support region;
(B) iron (202) of each cylindrical roller (201) installs the first connector and the second connector, and connection forms circle
Column pressure-bearing arranges (2), has just started cylinder pressure-bearing row (2) and has been installed to 4m, wherein, first cylindrical roller (201) both sides, per side only
It needs that first connector or the second connector are installed, to connect cylindrical roller (201) below, when first cylinder
After shape idler wheel (201) rolls out advanced hydraulic support (1), fixing nut (204) is unscrewed, is connected to before advanced hydraulic support (1),
Take over use;
(C) when installing for the first time, advanced hydraulic support (1) front pillar pressure release makes top beam front end depart from back (3) 70-80mm,
Stop pressure release, the level board (401) of bearing plate (4) is inserted between advanced hydraulic support (1) and back (3), will be pacified
The cylinder pressure-bearing row (2) installed fills in gap of the back (3) between top beam;
(D) not stand people beside stent within 3m, and top plate leakage cash is hurted sb.'s feelings when preventing from moving frame, is checked in front of advanced hydraulic support (1)
Situation, it is ensured that shifting frame path is flat, starts to promote jack, sliding advance of support;
(E) when cylinder pressure-bearing row (2) has just been rolled in the middle part of advance timbering top beam, to advanced hydraulic support (1) rear pillar
Pressure release makes top beam rear end depart from back (3) 70-80mm, stops pressure release, by the second fixed plate (701) of fixing device (7)
It is inserted between advanced hydraulic support (1) and back (3), fixed strip band (702) is tied up in set cap rear end, using admittedly
Lock (703) is locked, and second fixed plate (701) and collecting tank (6) are fixed on to the top beam of the advanced hydraulic support (1)
Afterwards;
(F) first use is completed, column pressure value before and after adjusting makes front and rear column pressure suitable with original normal pressure value, ensures
Set cap is parallel with top plate, and supporting is stablized;
(G) using advanced hydraulic support (1), often advance 2m is a Xun Huan, and often advance 2m, by circle extra in horizonal base plate (601)
Cylindricality idler wheel (201) removes, and gets front and installs, and such 2m is a Xun Huan.
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CN201610784376.5A CN106321134B (en) | 2016-08-30 | 2016-08-30 | A kind of simple and reliable sliding advance of support device and application method |
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CN201610784376.5A CN106321134B (en) | 2016-08-30 | 2016-08-30 | A kind of simple and reliable sliding advance of support device and application method |
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CN106321134B true CN106321134B (en) | 2018-06-05 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU414421A1 (en) * | 1973-02-07 | 1974-02-05 | Коммунарский Горнометаллургический Институт | DEVICE FOR MOVEMENTS MECHANIZED STRIPS MOVEMENTS |
SU1198220A1 (en) * | 1983-09-08 | 1985-12-15 | Институт горного дела Сибирского отделения АН СССР | Unit of mobile unrelievable support |
CN101509387A (en) * | 2009-03-27 | 2009-08-19 | 沈阳天安矿山机械科技有限公司 | Machine lane advance support bracket |
CN203669865U (en) * | 2013-11-29 | 2014-06-25 | 单淑花 | Constant-support alpine bolter miner |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002951570A0 (en) * | 2002-09-23 | 2002-10-03 | Lumb, Hilary Leith | Mine tunnel support apparatus |
-
2016
- 2016-08-30 CN CN201610784376.5A patent/CN106321134B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU414421A1 (en) * | 1973-02-07 | 1974-02-05 | Коммунарский Горнометаллургический Институт | DEVICE FOR MOVEMENTS MECHANIZED STRIPS MOVEMENTS |
SU1198220A1 (en) * | 1983-09-08 | 1985-12-15 | Институт горного дела Сибирского отделения АН СССР | Unit of mobile unrelievable support |
CN101509387A (en) * | 2009-03-27 | 2009-08-19 | 沈阳天安矿山机械科技有限公司 | Machine lane advance support bracket |
CN203669865U (en) * | 2013-11-29 | 2014-06-25 | 单淑花 | Constant-support alpine bolter miner |
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