CN106285751B - A kind of advance timbering support moving device based on roller structure and shifting frame method - Google Patents
A kind of advance timbering support moving device based on roller structure and shifting frame method Download PDFInfo
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- CN106285751B CN106285751B CN201610790148.9A CN201610790148A CN106285751B CN 106285751 B CN106285751 B CN 106285751B CN 201610790148 A CN201610790148 A CN 201610790148A CN 106285751 B CN106285751 B CN 106285751B
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- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000004575 stone Substances 0.000 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
- 239000003245 coal Substances 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 229910000754 Wrought iron Inorganic materials 0.000 claims description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 240000005373 Panax quinquefolius Species 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 6
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- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 9
- 238000005065 mining Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
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Abstract
The invention discloses a kind of advance timbering support moving device based on roller structure and move frame method, the support moving device holds funnel (5) and anti-stone baffle (8) including advanced hydraulic support (1), cylinder pressure-bearing row (2), board-like pressure-bearing baffle (4), bar formula, and the cylinder pressure-bearing row (2) is sequentially connected in series by multiple cylindrical rollers (201) to be formed.The anti-stone baffle (8) is made of hold-down bars (801), plane holder (802) and high-intensity resin plate (803), advance timbering support moving device of the invention based on roller structure is laid with cylinder pressure-bearing row between top plate and set cap, so can be in the form of rolling friction directly with pressure, by jack from promoting stent below, so stent avoids the need for pressure release repressurization, direct such forward impelling, hardly causes top plate any destruction.Apparatus structure of the present invention is simple, cost is low, easy to operate, reliable and practical.
Description
Technical field
The present invention relates to coal mine roadway advance support field, is moved more particularly to a kind of advance timbering based on roller structure
Rack device and shifting frame 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.Pass
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 the problems, such as these, 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 action 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 move frame to follow-up, supporting and safe working bring very big hidden danger.For crawler belt row
Thus success will follow avoids the support repeatedly of top plate from crushing 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 the safety to tunnel personnel damages.
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 base is all with tracked, top beam is provided 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 base crawler belt
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
Wipe, 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 that
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 category 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 category 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 base simple in structure, cost is low, easy to operate, reliable and practical
In the advance timbering support moving device of roller structure.
Present invention also offers a kind of shifting frame method using the advance timbering support moving device based on roller structure.
A kind of advance timbering support moving device based on roller structure, including advanced hydraulic support and cylinder pressure-bearing row, it is described
Cylinder pressure-bearing row is sequentially connected in series by multiple cylindrical rollers to be formed, and the cylinder pressure-bearing row is arranged on the advanced hydraulic support
Between top beam and back, length and the advance timbering equivalent width of the cylindrical roller, a diameter of 55mm；
Top beam backplate before the front end of the top beam of the advanced hydraulic support is provided with, rear end is provided with rear top beam backplate；Institute
Top beam backplate includes board-like pressure-bearing baffle before stating and bar formula holds funnel, rear end and the advanced liquid of the board-like pressure-bearing baffle
The front end of the top beam of stent is pressed to be connected, the front end of the board-like pressure-bearing baffle is connected with the rear end that the bar formula holds funnel；Institute
It is strip to state bar formula and hold funnel, its cross section is spoon shape structure, including the containing tank of opening upwards and the arc that Open Side Down
Shape connecting portion；
The back is broken coal seam, and anti-stone baffle is provided with the arc connecting portion；The anti-stone baffle
It is made of hold-down bars, plane holder and high-intensity resin plate, the hold-down bars totally two, the bottom of the hold-down bars is fixed on described
The both sides of arc connecting portion, the top of the hold-down bars and the middle part of the plane holder are welded, and plane holder grips the height
Intensity resin plate；
The hold-down bars is rod iron, a diameter of 12mm；Distance of the top of the high-intensity resin plate apart from back
For 60mm-100mm, wide with the equivalent width of the advanced hydraulic support, plane where the high-intensity resin plate is pushed up with tunnel
Angle between plane where plate is 30 °.
Advance timbering support moving device of the present invention based on roller structure, wherein, the axis of the cylindrical roller
Direction and the direction of advance of the advanced hydraulic support are perpendicular；At the center at the both ends of the cylindrical roller respectively to extension
Stretching has a cylindrical iron, the outer end of the iron have helicitic texture and with the matched fixed spiral shell of the helicitic texture
It is female；
The first connector or the second connector are provided with first iron with last cylindrical roller,
The first connector and the second connector are both provided with 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.
Advance timbering support moving device of the present invention based on roller structure, wherein, a diameter of 4mm of the iron,
Length is 22mm, wherein, the length of the helicitic texture is 4mm；The outside diameter of the first sleeve and second casing is
7mm, internal diameter 6mm, length 6mm；A diameter of 4.5mm of the head rod and second connecting rod, length compare institute
The big 10mm of diameter of cylindrical roller is stated, the outside diameter of the fixing nut is 10mm, internal diameter 4mm.
Advance timbering support moving device of the present invention based on roller structure, wherein, the board-like pressure-bearing baffle includes
Bearing plate, pressure block and the first fixed plate, the pressure block are solid squares iron block, and bearing plate includes level board and is connected to institute
The inclined plate of horizontal front edge of board, the level board and the inclined plate are stated as welding or integrated formed structure, the top of the pressure block
The front side of the bottom of the level board is fixed on, is fixed on rear side of the level board at the top of the advanced hydraulic support, it is described
Pressure block is in contact with the front end of the advanced hydraulic support；The side of the first fixed plate length direction is fixed on described oblique
The middle part of plate, opposite side are fixed on the pressure block.
Advance timbering support moving device of the present invention based on roller structure, wherein, the bar formula, which holds funnel, to be included
Multiple spoon shape structure reinforcing bars being arranged in parallel, multiple spoon shape structure reinforcing bars are by 3 strip being arranged in parallel reinforcement weldings
It is fixed together.
Advance timbering support moving device of the present invention based on roller structure, wherein, the bar formula holds hopper level
For 450mm, width and advance timbering equivalent width, length 450mm；The thickness of the pressure block is 110mm, and length is
270mm, is highly 360mm；
The level board and the inclined plate are made of spring steel, and size is identical, is：Thickness is 8mm, length 650mm,
Width and advance timbering equivalent width；Angle between the inclined plate and horizontal plane is 4 °；The bottom of first fixed plate with
The distance between top of the pressure block is 55mm.
Advance timbering support moving device of the present invention based on roller structure, wherein, the rear top beam backplate includes receiving
Collection groove and fixing device, the fixing device include the second fixed plate, the rear end of second fixed plate and the collecting tank phase
Even, the front portion of second fixed plate is provided with fixed strip band and fixing lock, second fixed plate is fixed on described advanced
On the top beam of hydraulic support；The collecting tank includes horizonal base plate and the front side board for being separately positioned on its front-end and back-end and rear gear
Plate, the upper end of the front side board are connected with the rear end of second fixed plate.
Advance timbering support moving device of the present invention based on roller structure, wherein, the length of the horizonal base plate is
320mm, width 480mm, the height of front side board is 220mm, and the height of rear baffle is 110mm, and the length of the second fixed plate is
220mm, the horizonal base plate, the front side board, the thickness of the rear baffle and second fixed plate are 11mm.
The application method of advance timbering support moving device of the present invention based on roller structure, 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, installation one first is only needed 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 circulation, and often advance 2m, by cylinder unnecessary in horizonal base plate
Roller is pulled down, and is got and is above installed, and such 2m is a circulation.
Advance timbering support moving device difference from prior art of the invention based on roller structure 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 stent 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.
Advance timbering support moving device of the invention based on roller structure is laid with cylinder pressure-bearing between top plate and set cap
Row, so can be in the form of rolling friction directly with pressure, by jack from promoting stent below, and such stent is just not
Pressure release repressurization is needed, direct such forward impelling, hardly causes top plate any destruction.Apparatus structure of the present invention
Simply, cost is low, easy to operate, reliable and practical.
The advance timbering support moving device based on roller structure to the present invention and move frame method below in conjunction with the accompanying drawings and make into one
Walk explanation.
Brief description of the drawings
Fig. 1 is the structure diagram of the advance timbering support moving device of the invention based on roller structure；
Fig. 2 is the structure diagram of cylindrical roller in the advance timbering support moving device of the invention based on roller structure；
Fig. 3 is the structure diagram of the preceding top beam backplate in the advance timbering support moving device of the invention based on roller structure；
Fig. 4 holds the overlooking the structure diagram of funnel for the bar formula in preceding top beam backplate；
Fig. 5 is the structure diagram of the rear top beam backplate in the advance timbering support moving device of the invention based on roller structure.
Embodiment
Embodiment 1
As shown in Fig. 1~Fig. 5, a kind of advance timbering support moving device based on roller structure, including 1 He of advanced hydraulic support
Cylinder pressure-bearing row 2, cylinder pressure-bearing row 2 is sequentially connected in series by multiple cylindrical rollers 201 to be formed, and cylinder pressure-bearing row 2 is arranged on advanced
Between the top beam and back 3 of hydraulic support 1, the cylindrical roller 201 is rolled when advanced hydraulic support 1 advances；
Cylinder pressure-bearing row 2 is laid between the top beam of back 3 and advanced hydraulic support 1, so can be straight in the form of rolling friction
Tape splicing pressure, by jack from advanced hydraulic support 1 is promoted below, so there is no need to pressure release repressurization, directly so
Forward impelling, any destruction is hardly caused to back 3.Support width is in terms of 450mm, the length of cylindrical roller 201
Spend for 450mm, a diameter of 55mm, too small, top plate may directly be contacted with top beam, can not play the effect of rolling friction, too
Gap between big pressure-bearing cylinder can also increase, and top plate rubble is trapped into, and being likely to result in pressure-bearing cylinder will not rotate,
The effect of sliding friction can not be played, therefore this size is relatively reasonable and science.
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 bar 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 bar formula is connected；It is strip that bar formula, which holds funnel 5,
Shape, its cross section are spoon shape structure, including the containing tank 501 of opening upwards and the arc connecting portion 502 that Open Side Down；
Back 3 is broken coal seam, and anti-stone baffle 8 is provided with arc connecting portion 502；Anti- stone baffle 8 is by fixing
Rod 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 on arc
The both sides of shape connecting portion 502, the top of hold-down bars 801 are welded with the middle part of plane holder 802, and plane holder 802 grips high-strength
Spend resin plate 803；Hold-down bars 801 is rod iron, a diameter of 12mm；The top of high-intensity resin plate 803 apart from back 3 away from
It is wide with the equivalent width of advanced hydraulic support 1,803 place plane of high-intensity resin plate and the institute of back 3 from for 60-100mm
Angle between plane is 30 °.
The design of this anti-stone baffle 8 for being broken coal seam in top plate in the case of use, be to be directed to very much
The design of property, blocks broken coal and rubble, because being also introduced into region between the top beam of back 3 and advanced hydraulic support 1
Cylindrical roller 201 is all that the pulling force for needing 205 and second connecting rod 207 of head rod enters, and is all to rely on certainly after
The frictional force rotation of body, therefore need to prevent broken top coal rubble before entering and block etc. to influence, otherwise head rod 205
There is the danger broken with the second connecting rod 207.It is emphasized that 60-100mm and 30 ° of the two parameter is extremely important, it is
Unique design in the case of for being broken coal seam in top plate, other specification can not meet.
Above scheme can complete the purpose of the present invention, on this basis, have also been proposed following preferred solution：
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
OK, the outer end of iron 202 has helicitic texture 203 and fixing nut matched with helicitic texture 203 204；
The first connector or the second connection are provided with first iron 202 with last cylindrical roller 201
Part, the first connector and the second connector are both provided with 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 is rotated 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 the outside diameter of casing 208 be 7mm, internal diameter 6mm, length 6mm；205 and second connecting rod 207 of head rod
A diameter of 4.5mm, length is bigger 10mm than the diameter of cylindrical roller 201, and the outside 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 the outside of cylindrical roller 201
Back 3 is raised to damage 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 decision 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 bar 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 bar formula is connected.Bar 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.
It is strip that bar formula, which holds funnel 5, its cross section is spoon shape structure, including the containing tank 501 of opening upwards and is opened
The downward arc connecting portion 502 of mouth；Bar formula, which holds funnel 5, includes multiple spoon shape structure reinforcing bars being arranged in parallel, multiple spoon shape knots
Structure reinforcing bar is fixed together by 3 strip being arranged in parallel reinforcement weldings.
It is 450mm, width 450mm, length 450mm that bar formula, which holds 5 height of funnel,；Primarily to ensure that funnel has
Certain space holds cylinder pressure-bearing row, while ensure that torque is not too large, and bar formula holds funnel and can be born by some strength
The pressure that cylinder pressure-bearing row brings.
Bar formula holds " spoon " place 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 bar formula and hold in funnel 5, eventually drop to tunnel
On bottom plate, reinforcement welding also can guarantee that strength demand, while reduce ventilation windage, ensure that drift section ventilation quantity.This is not
It is necessary, is decision 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, then drive board-like bearing plate 4 and bar formula 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 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 8mm, length 650mm, wide
Spend for 450mm；Angle between inclined plate 402 and horizontal plane is 4 °；The bottom of first fixed plate 404 and the top of pressure block 403
The distance between be 55mm.The thickness of pressure block 403 is 110mm, length 270mm, is highly 360mm；Pressure block 403 carries
The forward motive force of top beam of advanced hydraulic support 1, 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, 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, follow-up cylinder pressure-bearing is arranged 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 55mm, 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 front portion 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 down gradually to land
Cylindricality roller 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 320mm, width 480mm, and the height of front side board 602 is 220mm, rear baffle 603
Height be 110mm, the length of the second fixed plate 701 is 220mm, horizonal base plate 601, front side board 602, rear baffle 603 and
The thickness of two fixed plates 701 is 11mm.Because 201 weight of cylindrical roller is probably at 35 jin or so, 220mm'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 320mm pushes up after also can guarantee that
Beam backplate can hold the cylinder pressure-bearing row 2 of general 1-2m long；The long 220mm 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 pins.Size is preferred solution.
The shifting frame method of advance timbering support moving device using the present invention based on roller structure, 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, is connected to before advanced hydraulic support 1, 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, the distance for making top beam rear end disengaging back 3 is 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
The locking of lock 703, 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 circulation, and often advance 2m, by circle unnecessary in horizonal base plate 601
Cylindricality roller 201 is pulled down, and is got and is above installed, and such 2m is a circulation.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, should all fall into the protection domain that claims of the present invention determines.
Claims (9)
- A kind of 1. advance timbering support moving device based on roller structure, it is characterised in that：Including advanced hydraulic support (1) and cylinder Pressure-bearing arranges (2), and the cylinder pressure-bearing row (2) is sequentially connected in series by multiple cylindrical rollers (201) to be formed, the cylinder pressure-bearing row (2) it is arranged between the top beam of the advanced hydraulic support (1) and back (3)；The length of the cylindrical roller (201) With the advanced hydraulic support (1) equivalent width, a diameter of 55mm；Top beam backplate before the front end of the top beam of the advanced hydraulic support (1) is provided with, rear end is provided with rear top beam backplate；It is described Preceding top beam backplate includes board-like pressure-bearing baffle (4) and bar formula holds funnel (5), the rear end of the board-like pressure-bearing baffle (4) and institute The front end for stating the top beam of advanced hydraulic support (1) is connected, and front end and the bar formula of the board-like pressure-bearing baffle (4) hold funnel (5) rear end is connected；It is strip that the bar formula, which holds funnel (5), its cross section is spoon shape structure, includes the Sheng of opening upwards Put groove (501) and the arc connecting portion (502) that Open Side Down；The back (3) is broken coal seam, and anti-stone baffle (8) is provided with the arc connecting portion (502)；It is described anti- Stone baffle (8) is made of hold-down bars (801), plane holder (802) and high-intensity resin plate (803), the hold-down bars (801) totally two A, the bottom of the hold-down bars (801) is fixed on the both sides of the arc connecting portion (502), the top of the hold-down bars (801) Welded with the middle part of the plane holder (802), plane holder (802) grips the high-intensity resin plate (803)；The hold-down bars (801) is rod iron, a diameter of 12mm；The top of the high-intensity resin plate (803) is apart from back (3) distance is 60mm-100mm, the wide and equivalent width of the advanced hydraulic support (1), the high-intensity resin plate (803) Angle between plane where place plane and back (3) is 30 °.
- 2. the advance timbering support moving device according to claim 1 based on roller structure, it is characterised in that：The cylinder The axis direction of roller (201) and the direction of advance of the advanced hydraulic support (1) are perpendicular；In the cylindrical roller (201) center at both ends is outward extended with a cylindrical iron (202) respectively, and the outer end of the iron (202) has Helicitic texture (203) and with the helicitic texture (203) matched fixing nut (204)；The first connector or second are provided with first iron (202) with last 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).
- 3. the advance timbering support moving device according to claim 2 based on roller structure, it is characterised in that：The iron (202) a diameter of 4mm, length 22mm, wherein, the length of the helicitic texture (203) is 4mm；The first sleeve (206) and the outside diameter of second casing (208) is 7mm, internal diameter 6mm, length 6mm；The head rod (205) and A diameter of 4.5mm of second connecting rod (207), length are bigger 10mm than the diameter of the cylindrical roller (201), described solid The outside diameter for determining nut (204) is 10mm, internal diameter 4mm.
- 4. the advance timbering support moving device according to claim 3 based on roller structure, it is characterised in that：It is described board-like to hold Pressure baffle (4) includes bearing plate, pressure block (403) and the first fixed plate (404), and the pressure block (403) is solid squares iron Block, bearing plate include level board (401) and are connected to the inclined plate (402) of the front end of the level board (401), the level board (401) and the inclined plate (402) is welding or integrated formed structure, and the level is fixed at the top of the pressure block (403) The front side of the bottom of plate (401), the top of the advanced hydraulic support (1) is fixed on rear side of the level board (401), described Pressure block (403) is in contact with the front end of the advanced hydraulic support (1)；The side of first fixed plate (404) long side is consolidated The middle part of the inclined plate (402) is scheduled on, opposite side is fixed on the pressure block (403).
- 5. the advance timbering support moving device according to claim 4 based on roller structure, it is characterised in that：The bar formula is contained Putting funnel (5) includes multiple spoon shape structure reinforcing bars being arranged in parallel, and multiple spoon shape structure reinforcing bars are by 3 length being arranged in parallel Bar shaped reinforcement welding is fixed together.
- 6. the advance timbering support moving device according to claim 5 based on roller structure, it is characterised in that：The bar formula is contained It is highly 450mm to put funnel (5), width and the advanced hydraulic support (1) equivalent width, length 450mm；The pressure block (403) thickness is 110mm, length 270mm, is highly 360mm；The level board (401) and the inclined plate (402) are made of spring steel, and size is identical, is：Thickness is 8mm, and length is 650mm, width and the advanced hydraulic support (1) equivalent width；Angle of the inclined plate (402) between horizontal plane is 4 °； The distance between the bottom of first fixed plate (404) and the top of the pressure block (403) are 55mm.
- 7. the advance timbering support moving device according to claim 6 based on roller structure, it is characterised in that：Top beam after described Backplate includes collecting tank (6) and fixing device (7), and the fixing device (7) includes the second fixed plate (701), and described second is solid The rear end of fixed board (701) is connected with the collecting tank (6), and the front portion of second fixed plate (701) is provided with fixed strip band (702) and fixing lock (703), second fixed plate (701) is fixed on the top beam of the advanced hydraulic support (1)；Institute Stating collecting tank (6) includes 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 the front side board (602) is connected with the rear end of second fixed plate (701).
- 8. the advance timbering support moving device according to claim 7 based on roller structure, it is characterised in that：The horizontal base The length of plate (601) is 320mm, and width 480mm, the height of front side board (602) is 220mm, and the height of rear baffle (603) is 110mm, the length of the second fixed plate (701) is 220mm, the horizonal base plate (601), the front side board (602), the rear gear Plate (603) and the thickness of second fixed plate (701) are 11mm.
- 9. the application method of the advance timbering support moving device based on roller structure described in claim 8, it is characterised in that：Including Following steps：(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 Need that first connector or the second connector are installed, to connect cylindrical roller (201) below, when first cylinder After shape roller (201) rolls out advanced hydraulic support (1), fixing nut (204) can be unscrewed, is connected to advanced hydraulic support (1) Above, use is taken over；(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 advanced hydraulic support (1) 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, and the second of fixing device (7) is fixed Plate (701) is inserted between advanced hydraulic support (1) and back (3), and fixed strip band (702) is tied up after set cap End, is locked using fixing lock (703), second fixed plate (701) and collecting tank (6) is fixed on the advanced hydraulic support (1) after top beam；(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 circulation, and often advance 2m, by circle unnecessary in horizonal base plate (601) Cylindricality roller (201) is pulled down, and is got and is above installed, and such 2m is a circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790148.9A CN106285751B (en) | 2016-08-30 | 2016-08-30 | A kind of advance timbering support moving device based on roller structure and shifting frame method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610790148.9A CN106285751B (en) | 2016-08-30 | 2016-08-30 | A kind of advance timbering support moving device based on roller structure and shifting frame method |
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| CN106285751A CN106285751A (en) | 2017-01-04 |
| CN106285751B true CN106285751B (en) | 2018-05-08 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB666567A (en) * | 1948-07-22 | 1952-02-13 | Campbell Ritchie | Improvements in or relating to roof supports for mines |
| CN200952404Y (en) * | 2006-04-27 | 2007-09-26 | 赵西寰 | Top beam rolling hydraulic prop |
| 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 |
| CN105863710A (en) * | 2016-04-27 | 2016-08-17 | 山西东华机械有限公司 | Stepping movement type track device |
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 CN201610790148.9A patent/CN106285751B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB666567A (en) * | 1948-07-22 | 1952-02-13 | Campbell Ritchie | Improvements in or relating to roof supports for mines |
| CN200952404Y (en) * | 2006-04-27 | 2007-09-26 | 赵西寰 | Top beam rolling hydraulic prop |
| 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 |
| CN105863710A (en) * | 2016-04-27 | 2016-08-17 | 山西东华机械有限公司 | Stepping movement type track device |
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| CN106285751A (en) | 2017-01-04 |
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