CN106121700A - The improved structure of a kind of advance timbering and shifting frame method thereof - Google Patents
The improved structure of a kind of advance timbering and shifting frame method thereof Download PDFInfo
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- CN106121700A CN106121700A CN201610788682.6A CN201610788682A CN106121700A CN 106121700 A CN106121700 A CN 106121700A CN 201610788682 A CN201610788682 A CN 201610788682A CN 106121700 A CN106121700 A CN 106121700A
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- hydraulic support
- advanced hydraulic
- back timber
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- 238000000034 method Methods 0.000 title claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 97
- 229910052742 iron Inorganic materials 0.000 claims description 44
- 238000003466 welding Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 239000003245 coal Substances 0.000 description 6
- 238000005065 mining 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
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UPLPHRJJTCUQAY-WIRWPRASSA-N 2,3-thioepoxy madol Chemical compound C([C@@H]1CC2)[C@@H]3S[C@@H]3C[C@]1(C)[C@@H]1[C@@H]2[C@@H]2CC[C@](C)(O)[C@@]2(C)CC1 UPLPHRJJTCUQAY-WIRWPRASSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—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
- E21D23/049—Connecting devices between the head or foot of a prop and the cap or base of the roof support
-
- 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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
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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 the improved structure of a kind of advance timbering and move frame method, described improved structure includes advanced hydraulic support (1) and cylinder pressure-bearing row (2), described cylinder pressure-bearing row (2) is sequentially connected in series by multiple cylindrical rollers (201) and forms, and described cylinder pressure-bearing row (2) is arranged between the back timber of described advanced hydraulic support (1) and back (3).The improved structure of advance timbering of the present invention lays cylinder pressure-bearing row between top board and set cap, so can be with the form of rolling friction directly with pressure, support is promoted from behind by jack, so support avoids the need for pressure release repressurization, the most so forward impelling, causes any destruction hardly to top board.Improved structure simple in construction of the present invention, low cost, easy and simple to handle, reliable and practical.
Description
Technical field
The present invention relates to coal mine roadway advance support field, particularly relate to improved structure and the shifting thereof of a kind of advance timbering
Frame method.
Background technology
China's " safety regulations in coal mine " clear stipulaties: the scope of coal return airway advance support can not be less than 20m.Pass
System mining area combine return airway typically be that hydraulic prop makees advance support, along with fully-mechanized mining working mechanization journey
Improving constantly of degree, the production model that this support pattern is difficult to fully-mechanized mining working high-yield and high-efficiency matches, and this
There is the shortcomings such as supporting intensity is low, labor strength is big, support speed is slow in the mode of protecting.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
Pressure support.These forepoling hydraulic supports meet the requirement of mine safety, high-yield and high-efficiency to a certain extent.But these surpass
Front hydraulic support all fails fundamentally to solve to combine return airway top board and repeatedly supports broken problem.
The commonly used forepoling hydraulic support of China can be divided into according to the difference of construction features: 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, when moving frame, is required for taking fall frame, trying to stop people from fighting each other (or pushes away
Frame), rise frame, adjustment, then drop frame and rise the action such as frame.The most all there is repeatedly the technological deficiency of roof supporting, this steady to top board
Qualitative and integrity has very havoc, follow-up shifting frame, supporting and safe working can be brought very big hidden danger.For crawler belt row
The formula forepoling hydraulic support of walking thus success will follow avoid top board support repeatedly crush.But such moving manner is produced
Raw sliding friction can serious service life affect this support, and can bring and move ahead that resistance is relatively big, extremely instability of walking
Etc. defect, work the mischief easily to the safety of tunnel personnel.
Also has one design (reference papers: " exploitation of novel crawler walking forepoling hydraulic support and crucial skill at present
Art research "), refer to that the back timber of advanced hydraulic support and base are all that band is tracked, back timber is provided with mechanical, electrical, the organic knot of liquid
The pressure feedback system closed, power crawler belt is driven by moving tooth hydraulic pressure rainbow.The driving means of back timber crawler belt and base crawler belt
Connected by hydraulic servo synchronization loop system between driving means.This connected mode makes crawler belt reach with the speed of lower crawler belt
To consistent, decrease the friction of crawler belt and top board, but crawler type designs the problem existed；Upper crawler belt and top board are to roll to rub
Wipe, but crawler belt and set cap are sliding frictions, the service life affecting this support that meeting is serious, and crawler belt can be brought to rotate
Resistance is big, rotate the defects such as extremely unstable, if front and back driving wheel is sufficiently large, crawler belt will not contact with set cap, thus
There is no sliding friction, but under weight, the pressure that two driving wheel bearings are born will be that whole top board is added on support
Power, this is unaffordable.Meanwhile, this support industry application feasibility needs to be investigated, and at least insofar, and has no
Its commercial introduction, so being not belonging to the discussion category that tradition advance timbering is improved by this patent.
CN201310413286 mono-kind has the automatic moving type advance support rack of caterpillar band top beam, and the situation side of catching up with is similar to, and carries out
Band and set cap are sliding frictions, can serious service life affect this support, and can bring crawler belt rotary resistance big, turn
The defects such as dynamic extremely instability.Meanwhile, this support industry application feasibility needs to be investigated, and at least insofar, and has no
Its commercial introduction, so being not belonging to the discussion category improving tradition advance timbering.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in construction, low cost, easy and simple to handle, reliable and practical surpassing
The improved structure of fore-stock.
Present invention also offers a kind of shifting frame method of improved structure using described advance timbering.
The improved structure of a kind of advance timbering, arranges including advanced hydraulic support and cylinder pressure-bearing, described cylinder pressure-bearing row by
Multiple cylindrical rollers are sequentially connected in series and form, and described cylinder pressure-bearing row is arranged on back timber and the top, tunnel of described advanced hydraulic support
Between plate, a length of 450mm of described cylindrical roller, a diameter of 70mm.
The improved structure of advance timbering of the present invention, wherein, the axis direction of described cylindrical roller is super with described
The direction of advance of front hydraulic support is perpendicular；A cylinder it is outward extended with respectively at the center at the two ends of described cylindrical roller
The iron of shape, the outer end of described iron has helicitic texture and the fixing nut matched with described helicitic texture；
First iron with last described cylindrical roller is provided with the first connector or the second connector,
The iron of other described cylindrical roller is provided with the first connector and the second connector,
Described first connector includes a head rod and is fixed on the first sleeve at described head rod two ends,
Described first sleeve is the hollow cylindrical of both ends open, and the internal diameter of described first sleeve is more than the diameter of described iron, wherein
One described first sleeve is set on described iron, and another described first sleeve is set in the ferrum of previous cylindrical roller
On bar；
Described second connector includes second connecting rod and is fixed on second sleeve pipe at described second connecting rod two ends,
Described second sleeve pipe is the hollow cylindrical of both ends open, and the internal diameter of described second sleeve pipe is more than the diameter of described iron, wherein
One described second casing pipe sleeve is located on described iron, and another described second casing pipe sleeve is located at the ferrum of later cylindrical roller
On bar, it is sequentially connected with arrangement and forms described cylinder pressure-bearing row.
The improved structure of advance timbering of the present invention, wherein, a diameter of 4mm of described iron, a length of 22mm, its
In, a length of 4mm of described helicitic texture；The external diameter of described first sleeve and described second sleeve pipe is 7mm, and internal diameter is 6mm, long
Degree is 6mm；Described head rod and a diameter of 4.5mm of described second connecting rod, length is more straight than described cylindrical roller
The big 10mm in footpath, the external diameter of described fixing nut is 10mm, and internal diameter is 4mm.
The improved structure of advance timbering of the present invention, wherein, the front end of the back timber of described advanced hydraulic support is arranged
There is front back timber backplate, all hold and be provided with rear back timber backplate；Described front back timber backplate includes that board-like pressure-bearing baffle plate and bar formula hold leakage
Bucket, the described rear end of board-like pressure-bearing baffle plate is connected with the front end of the back timber of described advanced hydraulic support, described board-like pressure-bearing baffle plate
The rear end that holds funnel with described debugging, front end be connected.
The improved structure of advance timbering of the present invention, wherein, it is strip that described bar formula holds funnel, its cross section
For spoon shape structure, including containing tank and the arc connecting portion that Open Side Down of opening upwards；
Described board-like pressure-bearing baffle plate includes bearing plate, pressure block and the first fixed plate, and described pressure block is solid squares ferrum
Block, bearing plate include horizontal plate and be connected to the swash plate of described horizontal plate front end, described horizontal plate and described swash plate for welding or
Integrated formed structure, the top of described pressure block is fixed on the front side of the bottom of described horizontal plate, and the rear side of described horizontal plate is solid
Being scheduled on described advanced hydraulic support top, described pressure block contacts with the front end of described advanced hydraulic support；Described first is solid
The side determining plate length direction is fixed on the middle part of described swash plate, and opposite side is fixed on described pressure block.
The improved structure of advance timbering of the present invention, wherein, described bar formula holds funnel and includes multiple be arrangeding in parallel
Spoon shape structure reinforcing bars, multiple described spoon shape structure reinforcing bars are fixed together by 3 strip reinforcement welding be arrangeding in parallel.
The improved structure of advance timbering of the present invention, wherein, it is 470mm that described bar formula holds hopper level, width
For 450mm, a length of 600mm；The thickness of described pressure block is 140mm, a length of 330mm, and height is 420mm；
Described horizontal plate and described swash plate are made up of spring steel, equivalently-sized, are: thickness is 8mm, a length of 800mm,
Width is 450mm；Angle between described swash plate and horizontal plane is 4 °；The bottom of described first fixed plate and described pressure block
Distance between top is 70mm.
The improved structure of advance timbering of the present invention, wherein, described rear back timber backplate includes collecting tank and fixing dress
Putting, described fixing device includes that the second fixed plate, the rear end of described second fixed plate are connected with described collecting tank, and described second is solid
The front portion determining plate is provided with fixing band and fixing lock, and described second fixed plate is fixed on the back timber of described advanced hydraulic support
On；Described collecting tank includes horizonal base plate and is separately positioned on front side board and the backboard of its front-end and back-end, described front side board
Upper end be connected with the rear end of described second fixed plate.
The improved structure of advance timbering of the present invention, wherein, a length of 380mm of described horizonal base plate, width is
480mm, the height of front side board is 280mm, and the height of backboard is 140mm, a length of 280mm of the second fixed plate, described water
The thickness of flat underside, described front side board, described backboard and described second fixed plate is 11mm.
Use the shifting frame method that the improved structure of advance timbering of the present invention is carried out, comprise the steps:
(A) cylindrical roller cylinder pressure-bearing arranged, fixing nut, the first connector, the second connector, front back timber backplate
It is transported to advance support region, down-hole with rear back timber backplate；
(B) iron of each cylindrical roller installs the first connector and the second connector, connects and forms cylinder pressure-bearing
Row, has just started cylinder pressure-bearing row and has been installed to 4m, and wherein, first cylindrical roller both sides, every side has only to install one first
Connector or the second connector, in order to connect cylindrical roller below, prop up when first cylindrical roller rolls out advanced hydraulic pressure
After frame, fixing nut of can outwarding winding, it is connected to, before advanced hydraulic support, take over use；
(C) when installing for the first time, advanced hydraulic support front pillar pressure release, make back timber front end depart from top board 70-80mm, stop letting out
Pressure, is inserted into the horizontal plate of bearing plate between advanced hydraulic support and top board, and mounted cylinder pressure-bearing row is filled in top board
And the space between back timber；
(D) do not stand within the 3m of support side people, and when preventing moving frame, top board leakage cash is hurted sb.'s feelings, and checks advanced hydraulic support front
Situation, it is ensured that move frame path smooth, start to promote jack, sliding advance of support；
(E) when cylinder pressure-bearing row has just been rolled in the middle part of advance timbering back timber when, 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
Between pressure support and top board, fixing band is tied up in set cap rear end, utilizes fixing lock locking, will described second fixed plate with
After collecting tank is fixed on the back timber of described advanced hydraulic support；
(F) complete to use for the first time, column pressure value before and after regulation, make before and after's column pressure suitable with original normal pressure value,
Ensureing that set cap is parallel with top board, supporting is stable；
(G) being a circulation with advanced hydraulic support often advance 2m, often advance 2m, by cylinder unnecessary in horizonal base plate
Roller is pulled down, and gets and above installs, and such 2m is a circulation.
The improved structure difference from prior art of advance timbering of the present invention is:
In traditional method, when the advance of the face, advanced hydraulic support is also required to forward impelling, in this process advanced
In, it is first pressure release, when waiting the back timber of support to depart from certain distance with back, forward impelling, after advancing certain distance, then
Jack-up support, because support is during passage, route can't be walked according to straight line, so also needing to adjust, pressure release again,
Guarantee will not be pressed onto support anchor rod and the anchor cable of top board.So roof cracking is serious during this, the coal mining to the later stage
Leave the biggest hidden danger, roof cracking, gas can be caused, the seepage of water gas etc., when support moves particularly below, have substantial amounts of
Top board rubble etc. is caving, and safety in production causes the most unnecessary impact and certain potential safety hazard.
The improved structure of advance timbering of the present invention lays cylinder pressure-bearing row between top board and set cap, so can be with
The form of rolling friction, directly with pressure, promotes support from behind by jack, and such support avoids the need for pressure release and adds
Pressure, the most so forward impelling, causes any destruction hardly to top board.Apparatus structure of the present invention is simple, low cost,
Easy and simple to handle, reliable and practical.
Below in conjunction with the accompanying drawings the improved structure of the advance timbering of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the improved structure of advance timbering of the present invention；
Fig. 2 be advance timbering of the present invention improved structure in the structural representation of cylindrical roller；
Fig. 3 is the structural representation of the front back timber backplate in the improved structure of advance timbering of the present invention；
Fig. 4 is the plan structure schematic diagram that the bar formula in front back timber backplate holds funnel；
Fig. 5 is the structural representation of the rear back timber backplate in the improved structure of advance timbering of the present invention.
Detailed description of the invention
Embodiment 1
As shown in Fig. 1～Fig. 5, the improved structure of a kind of advance timbering, arrange 2 including advanced hydraulic support 1 and cylinder pressure-bearing,
Cylinder pressure-bearing row 2 is sequentially connected in series by multiple cylindrical rollers 201 and to form, and cylinder pressure-bearing row 2 is arranged on the tops of advanced hydraulic support 1
Between beam and back 3, described cylindrical roller 201 rolls when advanced hydraulic support 1 advances；At back 3 with super
Cylinder pressure-bearing row 2 is laid between the back timber of front hydraulic support 1, so can be logical with the form of rolling friction directly with pressure
Cross jack and promote advanced hydraulic support 1 from behind, so there is no need to pressure release repressurization, the most so forward impelling, to lane
Road top board 3 causes any destruction hardly.The a length of 450mm of cylindrical roller 201, a diameter of 70mm, the least, top board can
Directly can contact with back timber, it is impossible to play the effect of rolling friction, the space between the biggest pressure-bearing cylinder also can be strengthened, top
Plate rubble is trapped into, and being likely to result in pressure-bearing cylinder will not rotate, and also cannot play the effect of sliding friction, therefore this chi
Very little is relatively reasonable and science.
Above scheme just can complete the purpose of the present invention, on this basis, also been proposed following preferred version:
The axis direction of cylindrical roller 201 is perpendicular with the direction of advance of advanced hydraulic support 1；At cylindrical roller
The center at the two ends of 201 is outward extended with a cylindrical iron 202 respectively, and iron 202 trend is flat with cylindrical roller 201
OK, the outer end of iron 202 has helicitic texture 203 and the fixing nut 204 matched with helicitic texture 203；
First iron 202 with last cylindrical roller 201 is provided with the first connector or second connect
Part, is provided with the first connector and the second connector on the iron 202 of other cylindrical roller 201；
First connector include a head rod 205 and two be separately fixed at the of head rod 205 two ends
Sleeve 206, first sleeve 206 is the hollow cylindrical of both ends open, and the internal diameter of first sleeve 206 is straight more than iron 202
Footpath, one of them first sleeve 206 is set on iron 202, and another first sleeve 206 is set in previous cylindrical roller
On the iron of 201；
Second connector include second connecting rod 207 and two be separately fixed at the of the second connecting rod 207 two ends
Two sleeve pipes 208, the second sleeve pipe 208 is the hollow cylindrical of both ends open, and the internal diameter of the second sleeve pipe 208 is straight more than iron 202
Footpath, one of them second sleeve pipe 208 is set on iron 202, and another second sleeve pipe 208 is set in later cylindrical roller
On the iron 202 of 201, it is sequentially connected with and arranges formation cylinder pressure-bearing row 2, fixing nut 204 of screwing on helicitic texture 203, whole
Individual cylinder pressure-bearing row 2 just can move with free bend.
A diameter of 4mm of iron 202, a length of 22mm, at first sleeve 206 and second sleeve pipe of same iron 202
The space of 6mm is had, it is ensured that the two rotates freely on iron 202 between 208.The a length of 4mm of helicitic texture 203, this
The design of sample is all to make iron short as far as possible, not by the outer back of cylinder is protruding or rubble is affected；First sleeve
206 and second the external diameter of sleeve pipe 208 be 7mm, internal diameter is 6mm, a length of 6mm；Head rod 205 and the second connecting rod 207
A diameter of 4.5mm, length 10mm bigger than the diameter of cylindrical roller 201, the external diameter of fixing nut 204 is 10mm, and internal diameter is
4mm.Diameter is the least, also for back is protruding or rubble is as far as possible without impinging on iron 202, because cylinder holds
Pressure huge for top just, is completely converted into cylindrical roller 201 and undertakes by the maximum innovative point of pressure 2 design, iron 202
Only undertake their turning effort, if in the middle of cylinder being design bearing, then the pressure that top board is huge can make bearing
Lost efficacy, it is impossible to play a role.So the iron 202 of bearing pressure should be the not shortest, in order to avoid outside cylindrical roller 201
Iron 202 is damaged by back 3 projection, simultaneously the shortest effect that can not play it completely, therefore this size
Design is relatively reasonable, and the size of the present invention is all decision design, it is not essential however to, it is formed without the limit to protection domain
System, the most such effect is more preferable.
The front end of the back timber of advanced hydraulic support 1 is provided with front back timber backplate, and rear end is provided with rear back timber backplate；Front back timber
Backplate includes that board-like pressure-bearing baffle plate 4 and bar formula hold funnel 5, the rear end of board-like pressure-bearing baffle plate 4 and the back timber of advanced hydraulic support 1
Front end be connected, the rear end that the front end of board-like pressure-bearing baffle plate 4 holds funnel 5 with bar formula is connected.Bar formula holds the effect master of funnel 5
If depositing the partial cylinder pressure-bearing row 2 stacked, convenient when moving frame, cylinder pressure-bearing row 2 rolls into along front back timber backplate
Between back 3 and back timber, without manually aside looking after and operation.
Bar formula holds funnel 5 for strip, and its cross section is spoon shape structure, including the containing tank 501 of opening upwards with open
The arc connecting portion 502 that mouth is downward；Bar formula holds funnel 5 and includes multiple spoon shape structure reinforcing bars be arrangeding in parallel, and multiple spoon shape are tied
Structure reinforcing bar is fixed together by 3 strip reinforcement welding be arrangeding in parallel.
It is 470mm that bar formula holds funnel 5 height, and width is 450mm, a length of 600mm；Primarily to ensure that funnel has
Certain space holds cylinder pressure-bearing row, ensure that moment is not too large simultaneously, and bar formula holds funnel and can be born by some strength
Cylinder pressure-bearing arranges the pressure brought.
Bar formula holds " spoon " place of funnel 5, and i.e. the inclination maximum of arc connecting portion 502 is close to 80 °, then smooth with
Board-like pressure-bearing baffle plate 4 connects, and therebetween for welding, the reason so designed is that back 3 can regular being scattered
Rubble and bastard coal etc., such angle and ribbon can allow rubble etc. be rolled into bar formula and hold in funnel 5, eventually drop to tunnel
On base plate, reinforcement welding also can guarantee that strength demand, reduces ventilation windage simultaneously, it is ensured that drift section ventilation.This is not
Being necessary, be decision design, effect is more preferable.
Board-like pressure-bearing baffle plate 4 includes bearing plate, pressure block 403 and the first fixed plate 404, and pressure block 403 is solid squares
Iron block, its effect mainly bearing support back timber motive force forward, then drive board-like bearing plate 4 and bar formula to hold funnel
5 move.
Bearing plate includes horizontal plate 401 and the swash plate 402 of the front end being connected to horizontal plate 401, horizontal plate 401 and swash plate
402 is welding or integrated formed structure, and the top of pressure block 403 is fixed on the front side of the bottom of horizontal plate 401, horizontal plate 401
Rear side be fixed on the top of advanced hydraulic support 1, pressure block 403 contacts with the front end of advanced hydraulic support 1；First fixes
The side on the long limit of plate 404 is fixed on the middle part of swash plate 402, and opposite side is fixed on pressure block 403.
Horizontal plate 401 and swash plate 402 are made up of spring steel, equivalently-sized, are: thickness is 8mm, and a length of 800mm is wide
Degree is 450mm；Angle between swash plate 402 and horizontal plane is 4 °；The bottom of the first fixed plate 404 and the top of pressure block 403
Between distance be 70mm.The thickness of pressure block 403 is 140mm, a length of 330mm, and height is 420mm；Pressure block 403 carries
The back timber of advanced hydraulic support 1 motive force forward, then drives bearing plate and bar formula to hold funnel 5 and move.Thickness can
To ensure that steel plate has some strength and rigidity, pressure block 403 and the weight of partial cylinder pressure-bearing row 2 can be born and be subject to
The frictional force of back 3.The effect of board-like pressure-bearing baffle plate 4 mainly provides a space, makes follow-up cylinder pressure-bearing row 2
It is able to the mild space entered between back 3 and back timber.
The effect of the first fixed plate 404 has been mainly the effect supporting swash plate 402, at the work that swash plate 402 natural resiliency is firm
Under with, the cylinder pressure-bearing on top can be arranged 2 certain pressure, and shows a part of pressure that allows, mild to allow cylinder pressure-bearing arrange 2
The space entered between back 3 and back timber.Swash plate 402 can be provided high intensity to support by the first fixed plate 404, it is ensured that
Cylinder pressure-bearing row 2 will not damage the most greatly swash plate 402 part, a segment distance pressure block of the first fixed plate 404 welding by pressure because of pressure
403 upper end distances 70mm, this distance ensures to the point of application of pressure block 403 within back timber thickness range, by with back timber
Front end power is offset, and device will not cause the impact rotating unstability.
Rear back timber backplate includes collecting tank 6 and fixing device 7, and fixing device 7 includes the second fixed plate 701, and second fixes
The rear end of plate 701 is connected with collecting tank 6, and the front portion of the second fixed plate 701 is provided with fixing band 702 and fixing lock 703, by
Two fixed plates 701 are fixed on the back timber of advanced hydraulic support 1；Collecting tank 6 Main Function is to catch the circle the most gradually landed
Cylindricality roller 201, collecting tank 6 includes horizonal base plate 601 and is separately positioned on front side board 602 and the backboard of 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 a length of 380mm of horizonal base plate 601, width is 480mm, and the height of front side board 602 is 280mm, backboard 603
Height be 140mm, a length of 280mm of the second fixed plate 701, horizonal base plate 601, front side board 602, backboard 603 and
The thickness of two fixed plates 701 is 11mm.Because cylindrical roller 201 weight is probably at about 35 jin, so 280mm
Distance ensures that they will not draw the attachment means between being broken too much because of hang, and the width of 380mm pushes up after also can guarantee that
Beam backplate can hold the cylinder pressure-bearing row 2 of general 1-2m length；The long 280mm in fixed structure left and right, above has fixing band 702 and fixes
Lock 703, is inserted into fixed structure 7 between back 3 and back timber, ties up on set cap by fixing band 702, utilizes solid
Lock 703 pins.Size is preferred version.
The shifting frame method using the improved structure of the advance timbering of the present invention to carry out, comprises the steps:
(A) by the cylindrical roller 201 of cylinder pressure-bearing row 2, fixing nut the 204, first connector, the second connector, front
Back timber backplate and rear back timber backplate are transported to advance support region, down-hole；
(B) iron 202 of each cylindrical roller 201 installs the first connector and the second connector, connects and forms circle
Post pressure-bearing row 2, has just started cylinder pressure-bearing row 2 and has been installed to 4m, and wherein, first cylindrical roller 201 both sides, every side has only to peace
Fill first connector or the second connector, in order to connect cylindrical roller 201 below, when first cylindrical roller
After 201 roll out advanced hydraulic support 1, fixing nut 204 of can outwarding winding, it is connected to, before advanced hydraulic support 1, take over use；
(C), when installing for the first time, advanced hydraulic support 1 front pillar pressure release, the distance making back timber front end depart from back 3 is
70-80mm, stops pressure release, is inserted between advanced hydraulic support 1 and back 3 by the horizontal plate 401 of bearing plate 4, will peace
The cylinder pressure-bearing row 2 installed fills in the space between back 3 and back timber；
(D) do not stand within the 3m of support side people, and when preventing moving frame, top board leakage cash is hurted sb.'s feelings, before checking advanced hydraulic support 1
Side's situation, it is ensured that move frame path smooth, start to promote jack, sliding advance of support；
(E) when cylinder pressure-bearing row 2 has just been rolled in the middle part of advance timbering back timber when, to advanced hydraulic support 1 rear pillar
Pressure release, the distance making top beam rear end depart from 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, are tied up by fixing band 702 in set cap rear end, utilize fixing
Lock 703 locking, after being fixed on the back timber of described advanced hydraulic support 1 by described second fixed plate 701 and collecting tank 6；
(F) complete to use for the first time, column pressure value before and after regulation, make before and after's column pressure suitable with original normal pressure value,
Ensureing that set cap is parallel with top board, supporting is stable；
(G) being a circulation with advanced hydraulic support 1 often advance 2m, often advance 2m, by circle unnecessary in horizonal base plate 601
Cylindricality roller 201 is pulled down, and gets and above installs, and such 2m is a circulation.
Embodiment described above is only to be described the preferred embodiment of the present invention, the not model to the present invention
Enclose and be defined, on the premise of designing spirit without departing from the present invention, the those of ordinary skill in the art technical side to the present invention
Various deformation that case is made and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (10)
1. the improved structure of an advance timbering, it is characterised in that: include advanced hydraulic support (1) and cylinder pressure-bearing row (2), institute
Stating cylinder pressure-bearing row (2) to be sequentially connected in series by multiple cylindrical rollers (201) and form, described cylinder pressure-bearing row (2) is arranged on described
Between back timber and the back (3) of advanced hydraulic support (1)；The a length of 450mm of described cylindrical roller (201), diameter
For 70mm.
The improved structure of advance timbering the most according to claim 1, it is characterised in that: described cylindrical roller (201)
Axis direction is perpendicular with the direction of advance of described advanced hydraulic support (1)；In the two ends of described cylindrical roller (201)
The heart is outward extended with a cylindrical iron (202) respectively, the outer end of described iron (202) have helicitic texture (203) and
The fixing nut (204) matched with described helicitic texture (203)；
First iron (202) with last described cylindrical roller (201) is provided with the first connector or second
Connector, is provided with the first connector and second on the iron (202) of other described cylindrical roller (201) and connects
Part,
Described first connector include a head rod (205) and two be separately fixed at described head rod (205)
The first sleeve (206) at two ends, described first sleeve (206) is the hollow cylindrical of both ends open, described first sleeve (206)
Internal diameter more than the diameter of described iron (202), one of them described first sleeve (206) is set on described iron (202),
Another described first sleeve (206) is set on the iron of previous cylindrical roller (201)；
Described second connector include second connecting rod (207) and two be separately fixed at described second connecting rod (207)
Second sleeve pipe (208) at two ends, described second sleeve pipe (208) is the hollow cylindrical of both ends open, described second sleeve pipe (208)
Internal diameter more than the diameter of described iron (202), one of them described second sleeve pipe (208) is set on described iron (202),
Another described second sleeve pipe (208) is set on the iron (202) of later cylindrical roller (201), is sequentially connected with arrangement
Form described cylinder pressure-bearing row (2).
The improved structure of advance timbering the most according to claim 2, it is characterised in that: described iron (202) a diameter of
4mm, a length of 22mm, wherein, a length of 4mm of described helicitic texture (203)；Described first sleeve (206) and described second
The external diameter of sleeve pipe (208) is 7mm, and internal diameter is 6mm, a length of 6mm；Described head rod (205) and described second connecting rod
(207) a diameter of 4.5mm, length than the big 10mm of diameter of described cylindrical roller (201), described fixing nut (204)
External diameter is 10mm, and internal diameter is 4mm.
The improved structure of advance timbering the most according to claim 1, it is characterised in that: described advanced hydraulic support (1)
The front end of back timber is provided with front back timber backplate, and rear end is provided with rear back timber backplate；Described front back timber backplate includes that board-like pressure-bearing is kept off
Plate (4) and bar formula hold funnel (5), the rear end of described board-like pressure-bearing baffle plate (4) and the back timber of described advanced hydraulic support (1)
Front end is connected, and the rear end that the front end of described board-like pressure-bearing baffle plate (4) holds funnel (5) with described bar formula is connected.
The improved structure of advance timbering the most according to claim 4, it is characterised in that: described bar formula holds funnel (5) and is
Strip, its cross section is spoon shape structure, including containing tank (501) and the arc connecting portion that Open Side Down of opening upwards
(502)；
Described board-like pressure-bearing baffle plate (4) includes bearing plate, pressure block (403) and the first fixed plate (404), described pressure block
(403) being solid squares iron block, bearing plate includes horizontal plate (401) and is connected to the swash plate of front end of described horizontal plate (401)
(402), described horizontal plate (401) and described swash plate (402) are welding or integrated formed structure, the top of described pressure block (403)
Portion is fixed on the front side of the bottom of described horizontal plate (401), and the rear side of described horizontal plate (401) is fixed on described advanced hydraulic pressure and props up
The top of frame (1), described pressure block (403) contacts with the front end of described advanced hydraulic support (1)；Described first fixed plate
(404) side on long limit is fixed on the middle part of described swash plate (402), and opposite side is fixed on described pressure block (403).
The improved structure of advance timbering the most according to claim 5, it is characterised in that: described bar formula holds funnel (5) bag
Including multiple spoon shape structure reinforcing bars be arrangeding in parallel, multiple described spoon shape structure reinforcing bars are by 3 strip steel bar weldings be arrangeding in parallel
Connect and be fixed together.
The improved structure of advance timbering the most according to claim 6, it is characterised in that: it is high that described bar formula holds funnel (5)
Degree is 470mm, and width is 450mm, a length of 600mm；The thickness of described pressure block (403) is 140mm, a length of 330mm, high
Degree is 420mm；
Described horizontal plate (401) and described swash plate (402) are made up of spring steel, equivalently-sized, are: thickness is 8mm, a length of
800mm, width is 450mm；Angle between described swash plate (402) and horizontal plane is 4 °；The end of described first fixed plate (404)
Distance between end and the top of described pressure block (403) is 70mm.
The improved structure of advance timbering the most according to claim 4, it is characterised in that: described rear back timber backplate includes collecting
Groove (6) and fixing device (7), described fixing device (7) includes the second fixed plate (701), after described second fixed plate (701)
End is connected with described collecting tank (6), and the front portion of described second fixed plate (701) is provided with fixing band (702) and fixing lock
(703), described second fixed plate (701) is fixed on the back timber of described advanced hydraulic support (1)；Described collecting tank (6) wraps
Include horizonal base plate (601) and be separately positioned on front side board (602) and backboard (603), the described front side board of its front-end and back-end
(602) upper end is connected with the rear end of described second fixed plate (701).
The improved structure of advance timbering the most according to claim 8, it is characterised in that: the length of described horizonal base plate (601)
Degree is 380mm, and width is 480mm, and the height of front side board (602) is 280mm, and the height of backboard (603) is 140mm, second
The a length of 280mm of fixed plate (701), described horizonal base plate (601), described front side board (602), described backboard (603) and
The thickness of described second fixed plate (701) is 11mm.
10. use the shifting frame method that the improved structure of advance timbering described in claim 9 is carried out, it is characterised in that: include as
Lower step:
(A) by the cylindrical roller (201) of cylinder pressure-bearing row (2), fixing nut (204), the first connector, the second connector,
Front back timber backplate and rear back timber backplate are transported to advance support region, down-hole；
(B) iron (202) of each cylindrical roller (201) installs the first connector and the second connector, connects and forms circle
Post pressure-bearing row (2), has just started cylinder pressure-bearing row (2) and has been installed to 4m, and wherein, first cylindrical roller (201) both sides, every side is only
Need first connector or the second connector are installed, in order to connect cylindrical roller (201) below, when first cylinder
After shape roller (201) rolls out advanced hydraulic support (1), fixing nut (204) of can outwarding winding, it is connected to advanced hydraulic support (1)
Above, use is taken over；
(C) when installing for the first time, advanced hydraulic support (1) front pillar pressure release, make back timber front end depart from back (3) 70-80mm,
Stop pressure release, the horizontal plate (401) of bearing plate (4) is inserted between advanced hydraulic support (1) and back (3), will peace
Cylinder pressure-bearing row (2) installed fills in the space between back (3) and back timber；
(D) do not stand within the 3m of support side people, and when preventing moving frame, top board leakage cash is hurted sb.'s feelings, and checks advanced hydraulic support (1) front
Situation, it is ensured that move frame path smooth, start to promote jack, sliding advance of support；
(E) when cylinder pressure-bearing row (2) has just been rolled in the middle part of advance timbering back timber when, to advanced hydraulic support (1) rear pillar
Pressure release, makes top beam rear end depart from back (3) 70-80mm, stops pressure release, by second fixed plate (701) of fixing device (7)
It is inserted between advanced hydraulic support (1) and back (3), fixing band (702) is tied up in set cap rear end, utilize solid
Lock (703) is locked, and described second fixed plate (701) and collecting tank (6) are fixed on the back timber of described advanced hydraulic support (1)
After；
(F) complete to use for the first time, column pressure value before and after regulation, make before and after's column pressure suitable with original normal pressure value, it is ensured that
Set cap is parallel with top board, and supporting is stable；
(G) being a circulation with advanced hydraulic support (1) often advance 2m, often advance 2m, by circle unnecessary in horizonal base plate (601)
Cylindricality roller (201) is pulled down, and gets and above installs, and such 2m is a circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788682.6A CN106121700A (en) | 2016-08-30 | 2016-08-30 | The improved structure of a kind of advance timbering and shifting frame method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788682.6A CN106121700A (en) | 2016-08-30 | 2016-08-30 | The improved structure of a kind of advance timbering and shifting frame method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106121700A true CN106121700A (en) | 2016-11-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610788682.6A Pending CN106121700A (en) | 2016-08-30 | 2016-08-30 | The improved structure of a kind of advance timbering and shifting frame method thereof |
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| CN (1) | CN106121700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594482A (en) * | 2018-11-19 | 2019-04-09 | 上海同新机电控制技术有限公司 | A kind of wheeled successively incremeantal launching method equipment of kiss-coating |
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