CN106285749B - A kind of improved advance support body and application method - Google Patents
A kind of improved advance support body and application method Download PDFInfo
- Publication number
- CN106285749B CN106285749B CN201610782733.4A CN201610782733A CN106285749B CN 106285749 B CN106285749 B CN 106285749B CN 201610782733 A CN201610782733 A CN 201610782733A CN 106285749 B CN106285749 B CN 106285749B
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- Prior art keywords
- plate
- fixed
- pressure
- hydraulic support
- bearing
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—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 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
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
Abstract
The invention discloses a kind of improved advance support body, including roof timbering body and bottom plate prop;The roof timbering body includes advanced hydraulic support (1), cylinder pressure-bearing row (2) and lubrication brush (8), the lubrication brush (8) is made up of hold-down bars (801), support stick (802), fuel tank (803) and cylindrical brush (804), the bottom plate prop includes bearing block (9), anti-drilling bottom baffle (10) and guide plate (11), the bearing block (9) is connected with the front end of the base of advanced hydraulic support (1), and the fixing groove (12) of up/down perforation is provided with the middle part of the bearing block (9).Apparatus structure of the present invention is simple, reliable and practical.
Description
Technical field
The present invention relates to coal mine roadway advance support field, more particularly to a kind of improved advance support body and user
Method.
Background technology
With the continuous improvement of fully-mechanized mining working mechanization degree, under the conditions of suitable geology, the major colliery in China is progressively
Forepoling hydraulic support is used, advance timbering can be divided into according to design feature:High working face double leval jib advance support hydraulic pressure
Support, automatic moving type forepoling hydraulic support, saddle ride type forepoling hydraulic support and caterpillar track travelling advance support hydraulic pressure
Support etc..First three forepoling hydraulic support is required for taking drop frame, tries to stop people from fighting each other (or push bracket), rises frame, adjustment when moving frame,
Frame is dropped again and rises the action such as frame.The technological deficiency of roof supporting repeatedly all be present, this stability and integrality tool to top plate
There is very havoc, frame can be moved to follow-up, supporting and safe working bring very big hidden danger.For caterpillar track travelling advance support liquid
Thus success will follow avoids the support repeatedly of top plate from crushing for pressure support.But sliding friction meeting caused by such moving manner
Serious influences the service life of the support, and can bring the defects of forward resistance is larger, walking is extremely unstable, easily to lane
The safety of road personnel damages.
For all current traditional advance timberings, more using shifting frame structure is promoted, shifting frame is promoted to cause
The problems such as cantilever deflections, support rollover and moving difficulty.
These problems are all relative connections, and a Resolving probiems are bad, other the problem of will progressively highlight, it is right
Safety of mining causes great hidden danger, this invention address that system related asking of solving that advance timbering top plate and bottom plate occur
Topic.
The content of the invention
The technical problem to be solved in the present invention is to provide it is a kind of it is simple in construction, cost is low, easy to operate, reliable and practical changes
The advance support body entered.
Present invention also offers a kind of method for carrying out moving frame using the improved advance support body.
A kind of improved advance support body, including roof timbering body and bottom plate prop;
The roof timbering body includes advanced hydraulic support and cylinder pressure-bearing is arranged, and the cylinder pressure-bearing row is by multiple cylinders
Roller, which is sequentially connected in series, to be formed, and the cylinder pressure-bearing row is arranged between the back timber and back of the advanced hydraulic support;Institute
It is consistent with advance timbering width to state the length of cylindrical roller, a diameter of 62mm;
Back timber backplate before the front end of the back timber of the advanced hydraulic support is provided with, rear end is provided with rear back timber backplate;Institute
Back timber backplate includes board-like pressure-bearing baffle plate before stating and bar formula holds funnel, rear end and the advanced liquid of the board-like pressure-bearing baffle plate
The front end of the back timber of support is pressed to be connected, the front end of the board-like pressure-bearing baffle plate is connected with the rear end that the bar formula holds funnel;
It is strip that the bar formula, which holds funnel, and its cross section is spoon shape structure, including the containing tank of opening upwards and is opened
The downward arc connecting portion of mouth;The bar formula, which holds funnel, includes multiple spoon shape structure reinforcing bars be arrangeding in parallel, multiple spoons
Shape structure reinforcing bars are fixed together by 3 strip be arrangeding in parallel reinforcement weldings;
The preceding back timber backplate also includes lubrication brush, is made up of hold-down bars, support stick, fuel tank and cylindrical brush, described
Support stick is two, and the top of two support sticks is separately fixed at the both sides of the bottom of the arc connecting portion, two institutes
State and be connected by pitman between the bottom of support stick, the bottom of two support sticks be respectively welded be fixed with one it is described solid
Determine rod, the bottom of the hold-down bars is connected with the fuel tank;The cylindrical brush is hollow circular cylinder, is set in the connection
Being cut on rod to rotate freely, and the outside of the cylindrical brush is bristle part, and the bristle part is rolled with the cylinder
The bottom connection of wheel and the fuel tank touches;
The bottom plate prop includes bearing block, anti-drilling bottom baffle and guide plate, the bearing block and advanced hydraulic support
The front end of base be connected, the fixing groove of up/down perforation is provided with the middle part of the bearing block, is provided with the fixing groove
The guide plate, the anti-drilling bottom baffle are arc, and its lower end is connected with the front end of the bottom of the bearing block, the arc
Protruded to the bottom of the direction of advance of the advanced hydraulic support at the middle part of plate;
The guide plate includes the 3rd fixed plate and is connected to the cutting part of the 3rd fixed plate bottom, in the fixation
The both sides of the length direction of groove are respectively arranged with the 4th fixed plate, pin hole are provided with the 4th fixed plate, described
Fixing hole is provided with 3rd fixed plate, wherein the fixing hole is consolidated the 3rd fixed plate by latch with the pin hole
It is scheduled in the 4th fixed plate;The cutting part is cutter, and the knife back is connected with the bottom of the 3rd fixed plate, the cutter
The bottom of rear end and the front end of the knife back be connected to form the blade of arc;
Roadway floor is compared with soft seat, and it is 10.50~22.50MPa to allow uniaxial compressive strength, the fixing hole with it is described
The distance between lowermost end of cutting part is H+180mm, and H is advance timbering base thickness, unit mm.
Improved advance support body of the present invention, wherein, the angle that the support stick is formed with vertical direction is
30 °, the fuel tank is is obliquely installed, and the angle that bottom plate and the horizontal direction of the fuel tank are formed is 5 °~10 °, the hold-down bars
It it is 5 °~8 ° with the angle that vertical direction is formed.
Improved advance support body of the present invention, wherein, the axis direction of the cylindrical roller with it is described advanced
The direction of advance of hydraulic support is perpendicular;It is outward extended with a cylinder respectively at the center at the both ends of the cylindrical roller
Iron, the outer end of the iron has helicitic texture and the fixing nut being engaged with the helicitic texture;
The first connector or the second connector are provided with first iron with last cylindrical roller,
The first connector and the second connector are provided with the iron of other cylindrical rollers;
First connector includes a head rod and two are separately fixed at the head rod both ends
First sleeve, the first sleeve are the hollow cylindrical of both ends open, and the internal diameter of the first sleeve is more than the iron
Diameter, one of them described first sleeve are set on the iron, and another described first sleeve is set in previous cylinder
On the iron of shape roller;
Second connector includes second connecting rod and two are separately fixed at the second connecting rod both ends
Second sleeve pipe, second sleeve pipe are the hollow cylindrical of both ends open, and the internal diameter of second sleeve pipe is more than the iron
Diameter, one of them described second sleeve pipe are set on the iron, and another described second sleeve pipe is set in the latter cylinder
On the iron of shape roller, it is sequentially connected cylinder pressure-bearing described in arrangement form and arranges.
Improved advance support body of the present invention, wherein, a diameter of 4mm of the iron, length 22mm, its
In, the length of the helicitic texture is 4mm;The external diameter of the first sleeve and second sleeve pipe is 7mm, internal diameter 6mm, is grown
Spend for 6mm;A diameter of 5mm of the head rod and second connecting rod, diameter of the length than the cylindrical roller
Big 10mm, the external diameter of the fixing nut is 10mm, internal diameter 4mm;The board-like pressure-bearing baffle plate include bearing plate, pressure block and
First fixed plate, the pressure block are solid squares iron block, and bearing plate includes level board and is connected to the front end of the level board
Swash plate, the level board and the swash plate are welding or integrated formed structure, and the water is fixed at the top of the pressure block
The front side of the bottom of flat board, the top of the advanced hydraulic support, the pressure block and institute are fixed on rear side of the level board
The front end for stating advanced hydraulic support is in contact;The side of the first fixed plate long side is fixed on the middle part of the swash plate, another
Side is fixed on the pressure block.
Improved advance support body of the present invention, wherein, the external diameter of the cylindrical brush is 100mm, and internal diameter is
70mm, the fuel tank are highly 80mm, and anterior-posterior length 250mm, the front end of the cylindrical brush is before the fuel tank
The distance between end is 5mm, and the rear end of the fuel tank is arranged on the rear side of the front end of the swash plate, apart from the front end of the swash plate
The distance between be 5mm;It is 490mm that the bar formula, which holds hopper level, and width is consistent with advance timbering width, and length is
480mm;The thickness of the pressure block is 150mm, length 350mm, is highly 450mm;
The level board and the swash plate are made up of spring steel, and size is identical, is:Thickness is 9mm, length 680mm,
Width is consistent with advance timbering width;Angle between the swash plate and horizontal plane is 5 °;The bottom of first fixed plate with
The distance between top of the pressure block is 80mm.
Improved advance support body of the present invention, wherein, the rear back timber backplate includes collecting tank and fixing device,
The fixing device includes the second fixed plate, and the rear end of second fixed plate is connected with the collecting tank, and described second fixes
The front portion of plate is provided with the first fixed strip band and fixing lock, and second fixed plate is fixed on to the top of the advanced hydraulic support
Liang Shang;The collecting tank includes horizonal base plate and is separately positioned on the front side board and rear baffle of its front-end and back-end, the front side
The upper end of plate is connected with the rear end of second fixed plate;The length of the horizonal base plate is 400mm, width 480mm, front side
The height of plate is 300mm, and the height of rear baffle is 120mm, and the length of the second fixed plate is 300mm, the horizonal base plate, described
The thickness of front side board, the rear baffle and second fixed plate is 12mm.
Improved advance support body of the present invention, wherein, the length on the anterior-posterior horizontal direction of the anti-drilling bottom baffle
Spend for 350mm, the height in upper and lower vertical direction is 400mm;The upper and lower part of the rear end of the bearing block is connected to
Upper mounted plate and bottom plate, the front end of the base of the advanced hydraulic support are fixed on described solid using the second fixed strip band
Between fixed board and the bottom plate, the length of fixed plate is 350mm, thickness 7mm;Top 2/3rds it is described
The cross section of 3rd fixed plate is shaped as rectangle, and the cross section of the 3rd fixed plate of bottom 1/3rd is shaped as ladder
Shape, the length of the front end of the 3rd fixed plate are less than the length of rear end.
Improved advance support body of the present invention, wherein, the anterior-posterior length of the bearing block is 430mm, width and
Height and the width of the base of the advanced hydraulic support and highly consistent, the anterior-posterior length of the fixing groove are 300mm, width
It is that the distance between 40mm, the rear end of the bearing block is 90mm for the distance between 15mm, front end of the bearing block;Institute
State bearing block to be hinged with fixed plate, be welded and fixed with the bottom plate;The second fixed strip band be steel wire piece or
The long iron block of shaping.
Improved advance support body of the present invention, wherein, the anterior-posterior length of the guide plate is 290mm, and width is most
It is 13mm at width, most narrow place is 3~4mm, is highly 600mm;Before 3rd fixed plate described in the centre distance of the fixing hole
The distance at end is 150mm, and the distance of rear end is 140mm, a diameter of 25mm of the fixing hole;The pin hole it is a diameter of
12mm, a diameter of 10mm of the latch.
The method for carrying out moving frame using improved advance support body of the present invention, comprises the following steps:
(A) cylindrical roller, fixing nut, the first connector, the second connector, the preceding back timber backplate arranged cylinder pressure-bearing
Underground advance support region is transported to rear back timber backplate;
Plate is directed to, bearing block and anti-drilling bottom baffle are transported beside advanced hydraulic support, in advanced hydraulic support base
Deep 20mm ditch is excavated in front end slightly, will gradually be inserted below base of the bottom plate of bearing block along advanced hydraulic support
Enter, insert at least 500mm, when resistance is larger to be pushed away to enter, stop manual work, personnel pass through advanced hydraulic pressure away from support
Support moves frame, bearing block is reached the front end of advanced hydraulic support base;Stop moving frame, all around beaten and held with iron hammer
Pouring weight, make it front and rear and alignd with base or so, make parallel with base adjacent before and after it;
(B) iron of each cylindrical roller installs the first connector and the second connector, and connection forms cylinder pressure-bearing
Row, just start cylinder pressure-bearing row and be 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 outwarded winding, is connected to before advanced hydraulic support, take over use;When installing for the first time, advanced hydraulic pressure branch
Frame front pillar pressure release, back timber front end is departed from top plate 70-80mm, stop pressure release, the level board of bearing plate is inserted into advanced hydraulic pressure
Between support and back, mounted cylinder pressure-bearing is arranged to the space filled between top plate and back timber;
(C) upper mounted plate is rotated to above bearing block, connected upper mounted plate and bottom plate by the second fixed strip band
Connect and be tightened;Guide plate is put into, the edge of a knife direction of the bottom of guide plate is directed to plate in front of moving direction, with iron hammer and pounded
To position corresponding to fixing hole, latch is inserted, Fixed latches, on rear side of fixing groove and ground that the left and right sides contacts with guide plate
Side, a small amount of burlap or jute are filled in, reduce the hard contact between iron block, the space for reducing 2mm as far as possible is made to guide plate
Into steering error;
(D) not stood people beside support 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;When cylinder pressure-bearing, row is just rolled to advance timbering
When in the middle part of back timber, to advanced hydraulic support rear pillar pressure release, top beam rear end is departed from back 70-80mm, stop pressure release,
Second fixed plate of fixing device is inserted between advanced hydraulic support and back, the first fixed strip band is tied up in support
Top beam rear end, locked using fixing lock, second fixed plate and collecting tank are fixed on to the back timber of the advanced hydraulic support
Afterwards;
(E) when needing steering or adjustment direction, stop moving frame, manually beat pressure block side with iron hammer, make pressure-bearing
The pan frontward end of block and advanced hydraulic support forms small crack, fills in an appropriate number of small size standard iron block, small using one piece
The anglec of rotation of number standard iron block is 2 °, lays particular number as needed;When quantity is more than 3 pieces, using large size standard iron
Block, the angle of formation is 6 °;The length and width of the small size standard iron block and high respectively 150mm, 15mm and 150mm, the large size
Standard iron block is trapezoidal, length 300mm, a width of 31mm of upper end, a width of 47mm of lower end, a height of 150mm;
(F) first use is completed, column pressure value before and after regulation, makes front and rear column pressure suitable with original normal pressure value,
Ensure that set cap is parallel with back, supporting is stable;
(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.
The improved advance support body difference from prior art of the present invention is:
In conventional method, when the advance of the face, advanced hydraulic support is also required to forward impelling, in the process of this propulsion
In, be first pressure release, when waiting the back timber of support to depart from certain distance with back, forward impelling, promote certain distance and then
Support is jacked up, because support, 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, the seepage of gas, water gas etc. can be caused, when particularly support moves below, had substantial amounts of
Top plate rubble etc. is caving, and a large amount of unnecessary influences and certain potential safety hazard are caused to safety in production.
The improved roof timbering body of the present invention lays cylinder pressure-bearing row between top plate and set cap, so can be with rolling
The form of dynamic friction is directly with pressure, and by jack from support is promoted below, such support avoids the need for pressure release repressurization,
Direct such forward impelling, any destruction is hardly caused to top plate.Apparatus structure of the present invention is simple, cost is low, behaviour
Make easy, reliable and practical.
Traditional advance support rack much needs setting to try to stop people from fighting each other anchor point, and sets anchor point tedious process, and efficiency is low
Under, fast and safely advanced hydraulic support passage can not be realized;Existing advance support rack using shifting frame structure is promoted, promotes more
Moving frame can cause to move deflection and moving difficulty, largely influence coal mining efficiency and Safety of Coal Mine Production work.
The guider of bottom plate prop of the present invention is safe, practical, simple and reliable, improves coal mining efficiency and the peace in colliery
Full production work.
The bracket base of the field experience surface overwhelming majority is breakked away and frame is occurred during frame is moved, it is therefore desirable to
Acted as a planted agent before frame is moved, anchor point be set, bit by bit drawn forward, need to rearrange after support skew basic point use it is very heavy
Pushing tow returns, such support be difficult again settle at one go return to original position, while when support is toppled near termination be and
Its danger, the guider of advance timbering base of the present invention, it ensure that support moves according to predetermined paths, guide plate, which is combined, to be held
Pouring weight has the function of preventing that base from sliding, and base is stable, moves frame security and greatly improves, while the present invention is simple and reliable for structure,
Practicality, it is strong for this simple structural reliability of the complicated geological environment in underground, it is practical, substantially increase coal mining efficiency
With the safety in production in colliery.
Be to be designed under soft rocks the present invention be directed to roadway floor, the design of anti-drilling bottom baffle ensure whole device and
Support will not bore bottom, while guide plate gos deep into 180mm below bottom plate, fully ensure that whole support moves the lateral pressure needed for frame
Power, it ensure that and move the accurate of frame path.Cylinder pressure-bearing can be substantially reduced after coming into top plate and back timber by rolling friction
Frame resistance is moved, but certain heat can be produced eventually, by designing lubrication brush on arc connecting portion, lubrication brush is by oil
Contact and rotate between case and pressure-bearing cylinder, row lubrication cooling is discharged into the cylinder pressure-bearing for entering top plate and back timber, so ensured
There is lubricating oil heat absorption during rolling, design ensure that the stable operation of whole device and rationally reliable.
The advance support body of improvement of the present invention is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the improved advance support body of the present invention;
Fig. 2 is the structural representation of cylindrical roller in the present invention;
Fig. 3 is the structural representation of the preceding back timber backplate in the present invention;
Fig. 4 holds the overlooking the structure diagram of funnel for the bar formula in preceding back timber backplate;
Fig. 5 is the structural representation of the rear back timber backplate in the present invention;
Fig. 6 is the structural representation of the bottom plate prop in the present invention;
Fig. 7 is the overlooking the structure diagram of bottom plate prop of the present invention;
Fig. 8 is overlooking the structure diagram of the bottom plate prop of the present invention under turn condition;
Fig. 9 is the structural representation of the small size standard iron block of apparatus of the present invention in use;
Figure 10 is the structural representation of the large size standard iron block of apparatus of the present invention in use.
Embodiment
Embodiment 1
As shown in Fig. 1~Figure 10, a kind of improved advance support body, including roof timbering body and bottom plate prop, top plate
Prop includes advanced hydraulic support 1 and cylinder pressure-bearing row 2, cylinder pressure-bearing row 2 be sequentially connected in series by multiple cylindrical rollers 201 and
Into cylinder pressure-bearing row 2 is arranged between the back timber of advanced hydraulic support 1 and back 3, and the cylindrical roller 201 is super
Preceding hydraulic support 1 rolls when advancing;Cylinder pressure-bearing row 2 is laid between the back timber of back 3 and advanced hydraulic support 1, this
Sample can be in the form of rolling friction directly with pressure, by jack from advanced hydraulic support 1 is promoted below, thus not
Pressure release repressurization is needed, direct such forward impelling, any destruction is hardly caused to back 3.Support width with
450mm is counted, and the length of cylindrical roller 201 is 450mm, a diameter of 62mm, and too small, top plate may directly contact with back timber,
The effect of rolling friction can not be played, the space between too big pressure-bearing cylinder can also be increased, and top plate rubble is trapped into, may
Cause pressure-bearing cylinder not rotate, can not also play the effect of sliding friction, therefore this size is relatively reasonable and science
's.
Back timber backplate before the front end of the back timber of advanced hydraulic support 1 is provided with, rear end is provided with rear back timber backplate;Preceding back timber
Backplate includes board-like pressure-bearing baffle plate 4 and bar formula holds 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;
It is strip that bar formula, which holds funnel 5, and 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 be arrangeding in parallel, multiple spoon shape knots
Structure reinforcing bar is fixed together by 3 strip be arrangeding in parallel reinforcement weldings;
Preceding back timber backplate also includes lubrication brush 8, by hold-down bars 801, support stick 802, fuel tank 803 and cylindrical brush 804
Composition, support stick 802 are two, and the top of two support sticks 802 is separately fixed at the both sides of the bottom of arc connecting portion 502,
It is connected between the bottom of two support sticks 802 by pitman, the bottom of two support sticks 802, which is respectively welded, is fixed with one admittedly
Determine rod 801, the bottom of hold-down bars 801 is connected with fuel tank 803;Cylindrical brush 804 is hollow circular cylinder, is set on pitman
Cutting to rotate freely, and the outside of cylindrical brush 804 is bristle part, bristle part and cylindrical roller 201 and fuel tank 803
Bottom connection touch.
Bottom plate prop includes bearing block 9, anti-drilling bottom baffle 10 and guide plate 11, bearing block 9 and advanced hydraulic support 1
The front end of base is connected, and the middle part of bearing block 9 is provided with the fixing groove 12 of up/down perforation, guide plate is provided with fixing groove 12
11, anti-drilling bottom baffle 10 is arc, and its lower end is connected with the front end of the bottom of bearing block 9, and the middle part of arc is to advanced liquid
Press the bottom protrusion of the direction of advance of support 1.
Guide plate 11 includes the 3rd fixed plate 301 and is connected to the cutting part 302 of the bottom of the 3rd fixed plate 301, in fixation
The both sides of the length direction of groove 12 are respectively arranged with the 4th fixed plate 901, and pin hole 902 is provided with the 4th fixed plate 901,
It is provided with fixing hole 303 in the 3rd fixed plate 301, fixing hole 303 and pin hole 902 are by latch by the 3rd fixed plate 301
It is fixed in the 4th fixed plate 901;Cutting part 302 is cutter, and the knife back is connected with the bottom of the 3rd fixed plate 301, after cutter
The bottom at end and the front end of the knife back are connected to form the blade of arc, mainly for incipient stage guide plate 11 can be pressed onto roadway floor
Hereinafter, guide effect is played.
Roadway floor is compared with soft seat, allows 10.50~22.50MPa of uniaxial compressive strength, the fixing hole 303 and institute
It is H+180mm to state the distance between lowermost end of cutting part 302, and H is advance timbering base thickness, unit mm.The bottom of in view of
Demand relation between the lateral pressure that the resistance of plate cutting and steering are provided, by many experiments, for bottom plate class
Type be compared with soft seat in the case of, H+180mm size is most suitable, and other sizes can not be realized.
Above scheme can completes the purpose of the present invention, on this basis, has also been proposed following preferred scheme:
Support stick 802 is 30 ° with the angle that vertical direction is formed, and such cylinder pressure-bearing row 2 is converted into the pressure of brush
The elastic force of support stick 802, contribute to the practicality and reliability of device;
For fuel tank 803 to be obliquely installed, the angle that bottom plate and the horizontal direction of fuel tank 803 are formed is 5 °~10 °, is so designed
During can ensureing since lubricated cylinder pressure-bearing arranges 2 to entering back 3 and back timber, the lubricating fluid of drippage is all
It can collect again, it is ensured that can ensure all to be supplied in a small amount of oil and cover with paint or varnish;Hold-down bars 801 with it is vertical
The angle that direction is formed is 5 °~8 °, and guarantee is covered with paint or varnish can arrange 2 contacts with cylinder pressure-bearing.
The direction of advance of the axis direction of cylindrical roller 201 and advanced hydraulic support 1 is 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 the fixing nut 204 being engaged with helicitic texture 203;
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 provided with the iron 202 of other cylindrical rollers 201;
First connector includes that a head rod 205 and two are separately fixed at the both ends of head rod 205
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, and 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 the both ends of the second connecting rod 207
Two sleeve pipes 208, the second sleeve pipe 208 are the hollow cylindrical of both ends open, and the internal diameter of the second sleeve pipe 208 is more than the straight of iron 202
Footpath, one of them second sleeve pipe 208 are set on iron 202, and another second sleeve pipe 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
Individual cylinder pressure-bearing arranges the movement of 2 can free bends.
A diameter of 4mm of iron 202, length 22mm, in the sleeve pipe of first sleeve 206 and second of same root iron 202
There is 6mm space 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, is not influenceed by back projection or rubble outside cylinder;First sleeve
206 and second the external diameter of sleeve pipe 208 be 7mm, internal diameter 6mm, length 6mm;The connecting rod 207 of head rod 205 and second
A diameter of 5mm, length is bigger 10mm than the diameter of cylindrical roller 201, and the external diameter of fixing nut 204 is 10mm, and internal diameter is
4mm.Diameter is small as far as possible, also for back projection 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 be damaged to 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.
The partial cylinder pressure-bearing row 2 stacked is mainly deposited in the effect that bar formula holds funnel 5, convenient when moving frame,
Cylinder pressure-bearing row 2 is rolled between back 3 and back timber along preceding back timber backplate, without manually aside looking after and making
Industry.
It is 490mm, width 450mm, length 480mm that bar formula, which holds the height of funnel 5,;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 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 plate 4 connects, and is welding therebetween, and the reason for 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.This is not
It is necessary, is decision design, effect is more preferable.
Board-like pressure-bearing baffle plate 4 includes bearing plate, the fixed plate 404 of pressure block 403 and first, and pressure block 403 is solid squares
Iron block, its effect is mainly the motive force of bearing support back timber forward, then drives board-like bearing plate 4 and bar formula to hold funnel
5 move.
Bearing plate includes level board 401 and is connected to the swash plate 402 of the front end of level board 401, level board 401 and swash 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 the long side of plate 404 is fixed on the middle part of swash plate 402, and opposite side is fixed on pressure block 403.
Level board 401 and swash plate 402 are made up of spring steel, and size is identical, is:Thickness is 9mm, length 680mm, wide
Spend for 450mm;Angle between swash plate 402 and horizontal plane is 5 °;The bottom of first fixed plate 404 and the top of pressure block 403
The distance between be 80mm.The thickness of pressure block 403 is 150mm, length 350mm, is highly 450mm;Pressure block 403 carries
The motive force of the back timber of advanced hydraulic support 1 forward, then bearing plate and bar formula is driven to hold funnel 5 and move.Thickness can
To ensure that steel plate has some strength and rigidity, can bear pressure block 403 and partial cylinder pressure-bearing row 2 weight and by
Back 3 frictional force.The effect of board-like pressure-bearing baffle plate 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 back timber.
The effect of first fixed plate 404 mainly plays a part of to support swash plate 402, in the firm work of the natural resiliency of swash plate 402
Under, there can be certain pressure to the cylinder pressure-bearing row 2 on top, and show the pressure that allows of a part, to make cylinder pressure-bearing row 2 gentle
Into the space between back 3 and back timber.First fixed plate 404 can provide swash plate 402 high intensity support, ensure
Cylinder pressure-bearing row 2 will not damage very much the part of swash plate 402, a segment distance pressure block of the first fixed plate 404 welding by pressure greatly because of pressure
403 upper end distance 80mm, this distance ensure 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 be caused to rotate the influence of unstability.
The external diameter of cylindrical brush 804 is 100mm, and internal diameter 70mm, the height of fuel tank 803 is 80mm, and anterior-posterior length is
250mm, the front end of cylindrical brush 804 are 5mm apart from the distance between front end of fuel tank 803, and the rear end of fuel tank 803 is arranged on
The rear side of the front end of swash plate 402, it is 5mm apart from the distance between front end of swash plate 402.
The rake angle of fuel tank 803 is 5-10 °, and fuel tank is highly 80mm, and bottom is tangent with covering with paint or varnish, and fuel tank anterior-posterior length exists
250mm or so, front end 5mm or so beyond brush front end, rear end 5mm or so after the front end of swash plate 402, left and right width with
Support width is equal, and so design can ensure to lubricate since cylinder pressure-bearing row 2 to the process entered top plate and back timber
In, the lubricating fluid of drippage can collect again, and the rake angle of fuel tank 803 is 5-10 °, and fuel tank is highly 80mm, Ke Yibao
Card can ensure all to be supplied in a small amount of oil to be covered with paint or varnish.
Back timber 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 the first fixed strip band 702 and fixing lock 703,
Second fixed plate 701 is fixed on the back timber of advanced hydraulic support 1;The main function of collecting tank 6 is to catch down gradually landing
Cylindrical roller 201, collecting tank 6 include horizonal base plate 601 and be separately positioned on its front-end and back-end front side board 602 and after
Baffle plate 603, the upper end of front side board 602 are connected with the rear end of the second fixed plate 701.
The length of horizonal base plate 601 is 400mm, width 480mm, and the height of front side board 602 is 300mm, rear baffle 603
Height be 120mm, the length of the second fixed plate 701 is 300mm, horizonal base plate 601, front side board 602, rear baffle 603 and
The thickness of two fixed plates 701 is 12mm.Because the weight of cylindrical roller 201 is probably at 35 jin or so, 280mm's
Distance ensures that they will not draw the attachment means between being broken because of the too many of suspension, and 380mm width 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 of fixed structure or so, above there is the He of the first fixed strip band 702
Fixing lock 703, fixed structure 7 is inserted between back 3 and back timber, the first fixed strip band 702 is tied up in set cap
On, pinned using fixing lock 703.Size is preferred scheme.
Length on the anterior-posterior horizontal direction of anti-drilling bottom baffle 10 is 350mm, and the height in upper and lower vertical direction is
400mm.The upper and lower part of the rear end of bearing block 9 is connected to upper mounted plate 13 and bottom plate 14, advanced hydraulic support 1
The front end of base be fixed on using the second fixed strip band 15 between upper mounted plate 13 and bottom plate 14, the length of upper mounted plate 13
Spend for 350mm, thickness 7mm.
The cross section of 3rd fixed plate 301 on top 2/3rds is shaped as rectangle, the institute of bottom 1/3rd
That states the cross section of the 3rd fixed plate 301 is shaped as trapezoidal, and the length of the front end of the 3rd fixed plate 301 is less than the length of rear end
Degree.This is mainly designed to reduce resistance during passage in advanced hydraulic support 1.
The anterior-posterior length of bearing block 9 is 430mm, width 450mm, the highly height with the base of advanced hydraulic support 1
Unanimously, the anterior-posterior length of fixing groove 12 is 300mm, width 15mm, and the distance between front end of bearing block 9 is 40mm, is held
The distance between rear end of pouring weight 9 is 90mm;It ensure that during advanced hydraulic support 1 moves frame, the right side of bearing block 9, which has, to be filled
The stress area divided, ensure reliable and device the practicality of bearing block 9;Bearing block 9 and upper mounted plate 13 are be hinged, and lower solid
Fixed board 14 is welded and fixed;Second fixed strip band 15 is steel wire piece or the long iron block of shaping.
The anterior-posterior length of guide plate 11 is 290mm, and width the widest part is 13mm, and most narrow place is 3~4mm, too thin easily disconnected
Split, too thick resistance is too big, DeGrain;Ensure that guide plate 11 smoothly can be easily inserted into fixing groove 12, and 2mm seam
Gap ensures that guide plate 11 will not be in loading process, because gap deviate from rectilinear movement state;Highly it is 600mm;Fixing hole
The distance of the front end of 303 fixed plate 301 of centre distance the 3rd is 150mm, and the distance of rear end is 140mm, fixing hole 303 it is straight
Footpath is 25mm;A diameter of 12mm of pin hole 902, a diameter of 10mm of latch, ensure that latch can smoothly be inserted into pin hole 902
In fixing hole 303, and 10mm diameter ensure that the strength demand of latch.
The Assurance of Size latch of the present invention can pass through hole, and during frame is moved, guide plate 11 understands the work in resistance
Side is moved backward under, and guide plate 11 can be done one counterclockwise small using the contact point of right side and the end of fixing groove 12 as the center of circle
Width rotates, and probably brings hole 8mm rotation, and therefore, a diameter of 25mm of fixing hole 303 ensure that the bottom of guide plate 11 with consolidating
When determining 303 right contact of groove, latch has at least 2mm space with hole surrounding, and latch will not be larger tangential by fixing hole 303
Power, and 10mm diameter also ensure that the hole shearing stress upward to latch to latch intensity considerable influence, ensure that device
Science is reliable.
Anti-drilling bottom baffle 10 is exactly mainly a curved plane shuttering panels, and main function is pushed away in advanced hydraulic support 1
During shifting, utilize the shaped form design of itself, it is ensured that whole device and the base of advanced hydraulic support 1 all receive one it is upward
Component, before avoiding much under weak bottom plate, advanced hydraulic support 1 bores bottom situation during elapsing occurs, and enters simultaneously
One step evaded because bore tail band sideslip, rollover etc. dangerous situation generation, guide plate 11 itself more can guarantee that device with
Advanced hydraulic support 1 is accurately walked at one on programme path, safe and reliable, practical.
The application method of the improved advance support body of the present invention, comprises 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
Back timber backplate and rear back timber backplate are transported to underground advance support region;
Plate 11 is directed to, bearing block 9 and anti-drilling bottom baffle 10 transport the side of advanced hydraulic support 1, in advanced hydraulic pressure branch
The pan frontward end of frame 1 excavates deep 20mm ditch slightly, by bottom of the bottom plate 14 of bearing block 9 along advanced hydraulic support 1
Seat lower section is gradually inserted, and inserts at least 500mm, when resistance is larger to be pushed away to enter, stops manual work, personnel away from support,
Frame is moved by advanced hydraulic support 1, bearing block 9 is reached the front end of the base of advanced hydraulic support 1;Stop moving frame, use iron
Hammer all around beats bearing block 9, makes it front and rear and is alignd with base or so, makes parallel with base adjacent before and after it;
(B) iron 202 of each cylindrical roller 201 installs the first connector and the second connector, and connection forms circle
Post pressure-bearing row 2, just start cylinder pressure-bearing row 2 and be installed to 4m, wherein, first both sides of cylindrical roller 201, only need 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 outwarded winding, is connected to before advanced hydraulic support 1, takes over use;
When installing for the first time, the front pillar pressure release of advanced hydraulic support 1, back timber front end is departed from top plate 370-80mm, stop pressure release, by pressure-bearing
The level board 401 of plate 4 is inserted between advanced hydraulic support 1 and back 3, and mounted cylinder pressure-bearing row 2 is filled in into top
Space between plate 3 and back timber;
(C) upper mounted plate 13 is rotated into the top of bearing block 9, by the second fixed strip band 15 by upper mounted plate 13 with it is lower solid
Fixed board 14 is connected and is tightened;Guide plate 11 is put into, iron is used in the edge of a knife direction of the bottom of guide plate 11 in front of moving direction
Hammer is directed to plate 11 and pounds position corresponding to fixing hole 303, inserts latch, Fixed latches, in the rear side of fixing groove 12 and left and right two
The place that side contacts with guide plate 11, a small amount of burlap or jute are filled in, reduce the hard contact between iron block, reduce as far as possible
2mm space is to steering error caused by guide plate 11;
(D) not stood people beside support 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;When cylinder pressure-bearing row 2 has just been rolled to advanced branch
When in the middle part of frame back timber, to the rear pillar pressure release of advanced hydraulic support 1, top beam rear end is departed from back 370-80mm, stop
Pressure release, the second fixed plate 701 of fixing device 7 is inserted between advanced hydraulic support 1 and back 3, first is fixed
Band 702 is tied up in set cap rear end, is locked using fixing lock 703, and second fixed plate 701 and collecting tank 6 are fixed on
After the back timber of the advanced hydraulic support 1;
(E) when needing steering or adjustment direction, stop moving frame, manually beat the side of pressure block 1 with iron hammer, make pressure-bearing
The pan frontward end of block 1 and advanced hydraulic support 1 forms small crack, an appropriate number of small size standard iron block 16 is filled in, using one
The anglec of rotation of block trumpet standard iron block 16 is 2 °, lays particular number as needed;When quantity is more than 3 pieces, using large size
Standard iron block 17, the angle of formation is 6 °;The length and width of the small size standard iron block 16 and it is high be respectively 150mm, 15mm and
150mm, the large size standard iron block 17 are trapezoidal, length 300mm, a width of 31mm of upper end, a width of 47mm of lower end, a height of
150mm;
(F) first use is completed, column pressure value before and after regulation, makes front and rear column pressure suitable with original normal pressure value,
Ensure that set cap is parallel with back 3, supporting is stable;
(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, it all should fall into the protection domain of claims of the present invention determination.
Claims (10)
- A kind of 1. improved advance support body, it is characterised in that:Including roof timbering body and bottom plate prop;The roof timbering body includes advanced hydraulic support (1) and cylinder pressure-bearing row (2), and the cylinder pressure-bearing row (2) is by multiple Cylindrical roller (201), which is sequentially connected in series, to be formed, and the cylinder pressure-bearing row (2) is arranged on the back timber of the advanced hydraulic support (1) Between back (3);The length of the cylindrical roller (201) is consistent with advanced hydraulic support width, a diameter of 62mm;Back timber backplate before the front end of the back timber of the advanced hydraulic support (1) is provided with, rear end is provided with rear back timber backplate;It is described Preceding back timber backplate includes board-like pressure-bearing baffle plate (4) and bar formula holds funnel (5), the rear end of the board-like pressure-bearing baffle plate (4) and institute The front end for stating the back timber of advanced hydraulic support (1) is connected, and front end and the bar formula of the board-like pressure-bearing baffle plate (4) hold funnel (5) rear end is connected;It is strip that the bar formula, which holds funnel (5), and its cross section is spoon shape structure, includes the containing tank (501) of opening upwards With the arc connecting portion (502) that Open Side Down;The bar formula, which holds funnel (5), includes multiple spoon shape structural steel be arrangeding in parallel Muscle, multiple spoon shape structure reinforcing bars are fixed together by 3 strip be arrangeding in parallel reinforcement weldings;The preceding back timber backplate also includes lubrication brush (8), by hold-down bars (801), support stick (802), fuel tank (803) and cylinder Brush (804) forms, and the support stick (802) is two, and the top of two support sticks (802) is separately fixed at the arc The both sides of the bottom of shape connecting portion (502), it is connected by pitman between the bottom of two support sticks (802), two institutes The bottom for stating support stick (802) is respectively welded and is fixed with a hold-down bars (801), the bottom of the hold-down bars (801) with The fuel tank (803) is connected;The cylindrical brush (804) is hollow circular cylinder, is set on the pitman and can oneself By rotating, the outside of the cylindrical brush (804) is bristle part, the bristle part and the cylindrical roller (201) Touched with the bottom connection of the fuel tank (803);The bottom plate prop includes bearing block (9), anti-drilling bottom baffle (10) and guide plate (11), and the bearing block (9) is with surpassing The front end of the base of preceding hydraulic support (1) is connected, and the fixing groove (12) of up/down perforation is provided with the middle part of the bearing block (9), The guide plate (11) is provided with the fixing groove (12), the anti-drilling bottom baffle (10) is arc, its lower end and institute The front end for stating the bottom of bearing block (9) is connected, the direction of advance of the middle part of the arc to the advanced hydraulic support (1) Protrude bottom;The guide plate (11) includes the 3rd fixed plate (301) and is connected to the cutting part of the 3rd fixed plate (301) bottom (302) the 4th fixed plate (901), is respectively arranged with the both sides of the length direction of the fixing groove (12), it is solid the described 4th Pin hole (902) is provided with fixed board (901), is provided with fixing hole (303) on the 3rd fixed plate (301), wherein institute State fixing hole (303) and the 3rd fixed plate (301) is fixed on by the 4th fixation by latch with the pin hole (902) On plate (901);The cutting part (302) is cutter, and the knife back is connected with the bottom of the 3rd fixed plate (301), the cutter The bottom of rear end and the front end of the knife back be connected to form the blade of arc;Roadway floor is that it is 10.50~22.50MPa to allow uniaxial compressive strength, the fixing hole (303) and institute compared with soft seat It is H+180mm to state the distance between lowermost end of cutting part (302), and H is advanced hydraulic support base thickness, unit mm.
- 2. improved advance support body according to claim 1, it is characterised in that:The support stick (802) and vertical side It it is 30 ° to the angle of formation, the fuel tank (803) is is obliquely installed, bottom plate and the horizontal direction formation of the fuel tank (803) Angle is 5 °~10 °, and the hold-down bars (801) is 5 °~8 ° with the angle that vertical direction is formed.
- 3. improved advance support body according to claim 2, it is characterised in that:The axle of the cylindrical roller (201) The direction of advance in line direction and the advanced hydraulic support (1) is perpendicular;At the center at the both ends of the cylindrical roller (201) Be outward extended with a cylindrical iron (202) respectively, the outer end of the iron (202) have helicitic texture (203) and with The fixing nut (204) that the helicitic texture (203) is engaged;The first connector or second are provided with first iron (202) with last cylindrical roller (201) Connector, the first connector and the second connection are provided with 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 sleeve pipe (208) at both ends, second sleeve pipe (208) be both ends open hollow cylindrical, second sleeve pipe (208) Internal diameter be more than the diameter of the iron (202), one of them described second sleeve pipe (208) is set on the iron (202), Another described second sleeve pipe (208) is set on the iron (202) of the latter cylindrical roller (201), is sequentially connected arrangement Form the cylinder pressure-bearing row (2).
- 4. improved advance support body according to claim 3, it is characterised in that:The iron (202) it is a diameter of 4mm, length 22mm, wherein, the length of the helicitic texture (203) is 4mm;The first sleeve (206) and described second The external diameter of sleeve pipe (208) is 7mm, internal diameter 6mm, length 6mm;The head rod (205) and second connecting rod (207) a diameter of 5mm, length are bigger 10mm than the diameter of the cylindrical roller (201), outside the fixing nut (204) Footpath is 10mm, internal diameter 4mm;The board-like pressure-bearing baffle plate (4) includes bearing plate, pressure block (403) and the first fixed plate (404), the pressure block (403) is solid squares iron block, and bearing plate includes level board (401) and is connected to the level board (401) swash plate (402) of front end, the level board (401) and the swash plate (402) for welding or integrated formed structure, institute The front side for the bottom that the level board (401) is fixed at the top of pressure block (403) is stated, the rear side of the level board (401) is consolidated The top of the advanced hydraulic support (1) is scheduled on, the pressure block (403) connects with the front end of the advanced hydraulic support (1) Touch;The side of first fixed plate (404) long side is fixed on the middle part of the swash plate (402), and opposite side is fixed on described hold On briquetting (403).
- 5. improved advance support body according to claim 4, it is characterised in that:Outside the cylindrical brush (804) Footpath is 100mm, internal diameter 70mm, and the fuel tank (803) is highly 80mm, anterior-posterior length 250mm, the cylindrical brush (804) front end is 5mm apart from the distance between front end of the fuel tank (803), and the rear end of the fuel tank (803) is arranged on institute The rear side of the front end of swash plate (402) is stated, is 5mm apart from the distance between front end of the swash plate (402);The bar formula is held Lou Bucket (5) is highly 490mm, and width is consistent with advanced hydraulic support width, length 480mm;The thickness of the pressure block (403) It is highly 450mm for 150mm, length 350mm;The level board (401) and the swash plate (402) are made up of spring steel, and size is identical, is:Thickness is 9mm, and length is 680mm, width are consistent with advanced hydraulic support width;Angle of the swash plate (402) between horizontal plane is 5 °;Described first The distance between the bottom of fixed plate (404) and the top of the pressure block (403) are 80mm.
- 6. improved advance support body according to claim 5, it is characterised in that:Back timber backplate includes collecting tank after described (6) and fixing device (7), the fixing device (7) include the second fixed plate (701), the rear end of second fixed plate (701) It is connected with the collecting tank (6), the front portion of second fixed plate (701) is provided with the first fixed strip band (702) and fixing lock (703), second fixed plate (701) is fixed on the back timber of the advanced hydraulic support (1);Collecting tank (6) bag Include horizonal base plate (601) and be separately positioned on the front side board (602) and rear baffle (603) of its front-end and back-end, the front side board (602) upper end is connected with the rear end of second fixed plate (701);The length of the horizonal base plate (601) is 400mm, wide Spend for 480mm, the height of front side board (602) is 300mm, and the height of rear baffle (603) is 120mm, the second fixed plate (701) Length is 300mm, the horizonal base plate (601), the front side board (602), the rear baffle (603) and second fixed plate (701) thickness is 12mm.
- 7. improved advance support body according to claim 6, it is characterised in that:The anti-drilling bottom baffle (10) it is front and rear Length in horizontal direction is 350mm, and the height in upper and lower vertical direction is 400mm;The top of the rear end of the bearing block (9) Upper mounted plate (13) and bottom plate (14) are connected to bottom, the front end of the base of the advanced hydraulic support (1) is adopted It is fixed on the second fixed strip band (15) between fixed plate (13) and the bottom plate (14), fixed plate (13) length is 350mm, thickness 7mm;The cross section of 3rd fixed plate (301) on top 2/3rds is shaped as Rectangle, being shaped as the cross section of the 3rd fixed plate (301) of bottom 1/3rd is trapezoidal, the 3rd fixed plate (301) length of front end is less than the length of rear end.
- 8. improved advance support body according to claim 7, it is characterised in that:The anterior-posterior length of the bearing block (9) For 430mm, the width and highly consistent, the fixing groove (12) of width and height with the base of the advanced hydraulic support (1) Anterior-posterior length be 300mm, width 15mm, the distance between the front end of the bearing block (9) is 40mm, with the load-bearing The distance between rear end of block (9) is 90mm;The bearing block (9) is be hinged with fixed plate (13), with the lower fixation Plate (14) is welded and fixed;The second fixed strip band (15) is steel wire piece or the long iron block of shaping.
- 9. improved advance support body according to claim 8, it is characterised in that:The anterior-posterior length of the guide plate (11) For 290mm, width the widest part is 13mm, and most narrow place is 3~4mm, is highly 600mm;The centre distance of the fixing hole (303) The distance of the front end of 3rd fixed plate (301) is 150mm, and the distance apart from the rear end of the 3rd fixed plate (301) is 140mm, a diameter of 25mm of the fixing hole (303);A diameter of 12mm of the pin hole (902), the diameter of the latch For 10mm.
- 10. the method for carrying out moving frame using the improved advance support body described in claim 9, it is characterised in that:Including as follows Step:(A) by cylinder pressure-bearing arrange the cylindrical roller (201) of (2), fixing nut (204), the first connector, the second connector, Preceding back timber backplate and rear back timber backplate are transported to underground advance support region;Plate (11) is directed to, bearing block (9) and anti-drilling bottom baffle (10) are transported beside advanced hydraulic support (1), in advanced liquid Pressure support (1) pan frontward end excavates deep 20mm ditch slightly, by the bottom plate (14) of bearing block (9) along advanced hydraulic pressure It is gradually inserted below the base of support (1), inserts at least 500mm, when resistance is larger to be pushed away to enter, stops manual work, people Member moves frame, before bearing block (9) is reached advanced hydraulic support (1) base away from support by advanced hydraulic support (1) End;Stop moving frame, bearing block (9) is all around beaten with iron hammer, make it front and rear and alignd with base or so, make before and after its and base It is parallel adjacent;(B) iron (202) of each cylindrical roller (201) installs the first connector and the second connector, and connection forms circle Post 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 outwarded winding, is connected to advanced hydraulic support (1) Above, use is taken over;When installing for the first time, advanced hydraulic support (1) front pillar pressure release, back timber front end is set to depart from top plate (3) 70- 80mm, stop pressure release, the level board (401) of bearing plate is inserted between advanced hydraulic support (1) and back (3), will Mounted cylinder pressure-bearing row (2) fills in space of the top plate (3) between back timber;(C) upper mounted plate (13) is rotated to above bearing block (9), by the second fixed strip band (15) by upper mounted plate (13) with Bottom plate (14) is connected and is tightened;Guide plate (11) is put into, the edge of a knife direction of the bottom of guide plate (11) is in movement side Forwards, it is directed to plate (11) with iron hammer and pounds position corresponding to fixing hole (303), inserts latch, Fixed latches, in fixing groove (12) rear side and the place that is contacted with guide plate (11) of the left and right sides, fill in a small amount of burlap or jute, between reduction iron block Hard contact, as far as possible reduce 2mm space to steering error caused by guide plate (11);(D) not stood people beside support 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;When cylinder pressure-bearing row (2) has just been rolled to advanced liquid When pressure in the middle part of set cap, to advanced hydraulic support (1) rear pillar pressure release, top beam rear end is set to depart from back (3) 70- 80mm, stop pressure release, the second fixed plate (701) of fixing device (7) is inserted into advanced hydraulic support (1) and back (3) between, the first fixed strip band (702) is tied up in set cap rear end, is locked using fixing lock (703), described second is consolidated After fixed board (701) and collecting tank (6) are fixed on the back timber of the advanced hydraulic support (1);(E) when needing steering or adjustment direction, stop moving frame, manually beat pressure block (1) side with iron hammer, make pressure block (1) pan frontward end with advanced hydraulic support (1) forms small crack, fills in an appropriate number of small size standard iron block (16), adopts It is 2 ° with the anglec of rotation of one piece of small size standard iron block (16), lays particular number as needed;When quantity is more than 3 pieces, adopt With large size standard iron block (17), the angle of formation is 6 °;Length and width and the height respectively 150mm of the small size standard iron block (16), 15mm and 150mm, the large size standard iron block (17) are trapezoidal, length 300mm, a width of 31mm of upper end, lower end it is a width of 47mm, a height of 150mm;(F) first use is completed, column pressure value before and after regulation, makes front and rear column pressure suitable with original normal pressure value, is ensured Set cap is parallel with back (3), and supporting is stable;(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.
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CN201610782733.4A Expired - Fee Related CN106285749B (en) | 2016-08-30 | 2016-08-30 | A kind of improved advance support body and application method |
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CN109236340B (en) * | 2018-11-16 | 2023-10-17 | 中建隧道建设有限公司 | Multi-angle support rod for tunnel support |
CN109882218B (en) * | 2019-03-25 | 2020-09-18 | 东北大学 | Deep ultra-thick coal seam rock burst prevention and control equipment |
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GB666567A (en) * | 1948-07-22 | 1952-02-13 | Campbell Ritchie | Improvements in or relating to roof supports for mines |
WO2004027215A1 (en) * | 2002-09-23 | 2004-04-01 | Lumb, Hilary, Leith | An apparatus for supporting a tunnel |
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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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