CN106761872B - A kind of liftable, folding, stretching, extension machine-carried forepoling device - Google Patents
A kind of liftable, folding, stretching, extension machine-carried forepoling device Download PDFInfo
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- CN106761872B CN106761872B CN201611200567.9A CN201611200567A CN106761872B CN 106761872 B CN106761872 B CN 106761872B CN 201611200567 A CN201611200567 A CN 201611200567A CN 106761872 B CN106761872 B CN 106761872B
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- 239000007787 solid Substances 0.000 claims description 2
- 230000001788 irregular Effects 0.000 abstract description 5
- 210000002832 Shoulder Anatomy 0.000 description 22
- 238000010586 diagram Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 9
- 230000005641 tunneling Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 230000002146 bilateral Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- 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
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- 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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Abstract
The present invention provides the machine-carried forepoling device of a kind of liftable, folding, stretching, extension, including lifting device, advance support；Lifting device includes mobile base, lifting support；Lifting support is fixed in mobile base；Advance support is fixed on lifting support.Advance support includes multiple successively hinged support brackets；From the centre of advance support length direction to two sides, it is driven to stretch or fold by the first driving mechanism between two neighboring support bracket；Support bracket includes body frame and be arranged at body frame side widen bracket；Widen bracket slide to be fixed on body frame, and it is flexible along tunnel length direction on body frame by the driving of the second driving mechanism to widen bracket.The present invention drives lifting support to be moved forward and backward by mobile base, and lifting support drives advance support to move up and down.By multiple hinged support brackets, realizes and adaptability supporting is carried out to the irregular empty top zone just disclosed.
Description
Technical field
The present invention relates to coal mine machineryization driving, the airborne advanced gib of developing, in particular to a kind of liftables, folding
Folded, stretching, extension machine-carried forepoling device.
Background technique
Currently, large-scale In Modern Mine, coal, rock gangway road tunneling construction all realize mechanization, mostly with roof bolting with barand wire mesh
Based on, driving speed is fast.But there is also very big security risks in the actual production process.That is: after the completion of tunneling machine cutting,
Supporting operator needs to enter the empty top zone just disclosed and plays gib, often will appear top plate and falls rubble and injures construction by a crashing object
Personnel, the metal mesh and steel band of supporting roof are also required to arrive to top plate using monomer, and operator will also enter empty top zone, also have
Steel band slides the accident case hurted sb.'s feelings, and the method for taking these gibs all has biggish security risk and takes a long time.
Also have at present using airborne foreset, but their advanced gib is only adapted to than more gentle
Top plate, it is difficult to adapt to the different variations of top plate: such as pinnacle, oblique top, setback top, and area is smaller, be not achieved to newly disclosing
Top plate carries out full face supporting, and stroke is little, not foldable, influences the service performance of development machine, brings not to operation
Just, it is difficult to adapt to the development level of current coal mine.It specially designs this in order to solve problem above set airborne hydraulic is scalable and roll over
The folded advanced temporary support device of tunneling boring.
Summary of the invention
The purpose of the present invention is to solve the defects of advance support flexibility difference in the prior art, and providing one kind can rise
Drop, fold, the machine-carried forepoling device of stretching, extension solves the above problems.
To achieve the goals above, technical scheme is as follows:
A kind of liftable, folding, stretching, extension machine-carried forepoling device, including multiple successively hinged support brackets；In
Between to two sides, drive it to stretch or fold by the first driving mechanism between the two neighboring support bracket；
The support bracket includes body frame and be arranged at body frame side widen bracket；The bracket slide of widening is fixed
On body frame, and by the second driving mechanism driving widen bracket on body frame stretch.
Preferably, the body frame is the first frame body being made of rod piece；The left bar of first frame body, right bar and with a left side
The parallel intermediate bar of bar, right bar is hollow structure；The bracket of widening is the second frame body being made of rod piece, second frame
Body includes bottom bar and three two side rods and middle bar being parallel to each other being fixed on bottom bar；The side rod, middle bar, left bar, right bar,
Intermediate bar is parallel to each other；Two side rod is threaded through the left bar of the first frame body, in right bar respectively；Is fixed in the intermediate bar
Two driving mechanisms；The middle bar of second frame body is threaded through in intermediate bar and is driven by the second driving mechanism.
Preferably, it is provided in the two sides of the body frame and widens bracket；It is the mountain word being oppositely arranged that two, which are widened bracket,
Shape is fixed with two contrary second driving mechanisms of jacking in the intermediate bar, adds respectively to jacking two
Wide bracket.One of them the following table interplanar distance widened between two side rods of bracket for widening bracket described in two adds equal to another
Upper surface spacing between wide two side rod of bracket.
Preferably, lengthening bracket is additionally provided on the support bracket in advance support both ends；The lengthening bracket slide is solid
Determine widening on bracket on the support bracket of advance support both ends, and bracket is lengthened by the driving of third driving mechanism and is stretched.
Preferably, the bracket that lengthens is by a telescopic rod and two cross that be vertically fixed on telescopic rod both ends and parallel
The third frame body that bar is formed；The bottom bar for widening bracket for folding support bracket two sides is hollow structure；The two cross bars difference
Two are threaded through to widen in the bottom bar of bracket；Casing is also arranged with outside the telescopic rod；Described sleeve pipe is along rod axis sliding of stretching；
The jacking end of the third driving mechanism is hinged in described sleeve pipe.
Preferably, on the casing of two sides lengthened on bracket, left shoulder nest retaining-plate and right shoulder nest branch have also been respectively articulated with
Backplate；The left shoulder nest retaining-plate and right shoulder nest retaining-plate pass through the 4th driving mechanism respectively and it are driven to be unfolded or fold.
Preferably, first driving mechanism, the second driving mechanism, the 4th driving mechanism of third driving mechanism are oil
Cylinder；The both ends of first driving mechanism are hinged on the two neighboring body frame.
The present invention also provides a kind of liftables, folding machine-carried forepoling device, are applied on development machine；Including
Lifting device, advance support；The advance support is advance support described in any of the above-described technical solution；The lifting device packet
Include mobile base, lifting support；The lifting support is fixed on the base；Advance support is fixed on lifting support；
The mobile base includes firm banking and Telescopic base；The firm banking is fixed on development machine；It is described to stretch
The sliding of contracting pedestal is fixed on the fixed base, and drives the Telescopic base to slide on the fixed base by a telescoping drive mechanism
It is dynamic.
Preferably, the lifting support includes lifting driving mechanism and lifting crane；The crane of lifting is L shape bar
Body, one end are telescopic end, and the other end is the fixing end being articulated on the Telescopic base；Described one end for lifting driving mechanism
It is articulated on the Telescopic base, the other end is articulated in the L-shaped structure lower surface for lifting crane；The telescopic end is also pivotally connected one
Front rack working arm；The front rack working arm is the L shape body of rod；One end of the front rack working arm is and the telescopic end pivot
A front rack telescopic arm driven by front rack telescoping drive mechanism is fixed in the pivot end connect, other end sliding；The front rack
Telescoping drive mechanism drives the front rack telescopic arm to move along front rack working arm axis forward or backward；The telescopic arm
Direction of advance is opposite with the direction of advance of the telescopic end；Before the upper surface for lifting crane L shape turning is also pivotally connected one
Bracket lifts driving mechanism；The front rack lifts the jacking end of driving mechanism and the L shape turning lower surface of front rack working arm
Pivot joint, fixing end are pivotally connected with crane L shape turning upper surface is lifted.
It is preferably, described that lift driving mechanism, front rack telescoping drive mechanism, front rack to lift driving mechanism be oil
Cylinder.
Compared with the prior art, the present invention has the following beneficial effects:
1. the present invention realizes by multiple hinged support brackets and carries out adaptability branch to the irregular empty top zone just disclosed
Shield, can realize the irregular shape of supporting construction according to the irregular shape of empty top zone by adjusting the first driving mechanism；
2. by the widening structure of two sides may be implemented that the empty top zone of different in width is adaptively adjusted；
3. by lengthening bracket, the length of adjustable supporting construction；
4. may be implemented to carry out supporting to side wall, being provided for operating personnel safer by right and left shoulders nest retaining-plate
Operating area；
5. the adjustment to supporting construction front-rear position, height is realized, to improve its branch by Telescopic base and lift support
The adaptability of shield.
Fold support bracket be made by the cooperation of flexible hinge member and oil cylinder support bracket shrink, volume after folding compared with
Small, being fixed on cutting motor backplate does not influence any performance of development machine, by controlling the first driving mechanism, the second driving machine
Structure, third driving mechanism, the 4th driving mechanism make it be stretched over maximum, can be realized to the back and side portion's shoulder newly disclosed
Nest tunneling boring gib, speed, area, the intensity of supporting are above various other gibs used at present.
The lifting support of the covering device is fixed in mobile base, by way of pivot joint and each position setting
Oil cylinder realizes the lifting of bracket and flexible and fold, and folding support bracket can be lifted according to actual needs, be advanced to and newly disclose
Empty top zone adapts to top plate and changes greatly, it is larger to adapt to top plate slope change；The empty top zone tunneling boring newly disclosed and two are helped in realization
The gib of shoulder nest；Package unit fast lifting, flexible, folding can be achieved by oil cylinder and the cooperation for folding hinge member,
Setting load is larger；Greatly improve working efficiency.Most importantly personnel will not be in empty top zone operation, and support speed is fast, peace
Overall height effect.
Detailed description of the invention
Fig. 1 is the present invention looks up structural representation of the embodiment of the present invention 1；
Fig. 2 is the assembling structure schematic diagram of Fig. 1；
Fig. 3 is the present invention looks up structural representation of embodiment 2；
Fig. 4 is the structural schematic diagram after Fig. 3 is collapsed；
Fig. 5 is the folded structural schematic diagram of Fig. 4；
Fig. 6 is the structural schematic diagram of embodiment 5；
Fig. 7 is the structural schematic diagram of embodiment 6；
Fig. 8 is the structural schematic diagram of mobile base in embodiment 8；
Fig. 9 is the folded structural schematic diagram of lifting support in embodiment 8；
Figure 10 is the structural schematic diagram after Fig. 9 expansion；
Figure 11 is the overall structure diagram of embodiment 8；
Figure 12, Figure 13 are respectively embodiment 8 operation and structural schematic diagram to stop operation in tunneling process.
Figure 14 is that several supporting construction that embodiment 5 or 6 is adaptively adjusted according to different by the structure of branch mask are illustrated
Figure；
Figure 15 is the structural schematic diagram after embodiment 5 or 6 unfolds and folds.
Specific embodiment
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferable
Examples and drawings cooperation detailed description, is described as follows:
The orientation such as " left, right, front and rear " for being previously mentioned in text of the present invention title, is reference with Figure of description 1.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of liftable, folding, stretching, extension machine-carried forepoling device 1, including multiple successively cut with scissors
The support bracket 10 connect；The number of support bracket 10 is generally even number, folds convenient for bilateral symmetry.Support bracket 10 provided by the invention is
4.From centre to two sides, its stretching, extension is driven by the first driving mechanism 11 between two neighboring support bracket 10 or is folded.Also
It is to say, two, left side support bracket 10 passes through 1 first drive by the first driving mechanism 11 driving, two, the right support bracket 10
Motivation structure 11 drives, the right and left mirror settings.
Support bracket 10 includes body frame 12 and be arranged in 12 side of body frame widen bracket 13；Widen the sliding of bracket 13 to be fixed on
On body frame 12, and by the second driving mechanism 14 driving widen bracket 13 on body frame 12 stretch.The fixed mode of sliding has more
Kind, such as socket, the fixed mode of track sliding.The present invention is specific as follows by the way of socket:
Body frame 12 is the first frame body being made of rod piece；The left bar 121 of first frame body, right bar 122 and with left bar 121,
The parallel intermediate bar 123 of right bar 122 is hollow structure；The bracket 13 of widening of one side is the second frame body being made of rod piece,
Second frame body includes bottom bar 131 and be fixed on bottom bar 131 three are parallel to each other left side bar 132, the right bar 132 ' and in
Bar 133；Left side bar 132, the right bar 132 ', middle bar 133, left bar 121, right bar 122, intermediate bar 123 are parallel to each other；Two left side bars
132 are threaded through the left bar 121 of the first frame body, in right bar 122 respectively；The second driving mechanism 14 is fixed in intermediate bar 123；Second
The middle bar 133 of frame body is threaded through in intermediate bar 123 and is driven by the second driving mechanism 14.It is two neighboring to add for the ease of folding
It is also articulated to together between width.
Embodiment 2
It as shown in figure 3, figure 4 and figure 5, can be in body frame 12 in order to increase the width of advance support 1 further
Two sides be all arranged and widen bracket 13.It is the epsilon-type structure being oppositely arranged that bracket 13 is widened in two sides.Correspondingly, in intermediate bar
Fixed second driving mechanism 14 contrary there are two jacking in 123；Two widen bracket 13 be set in body frame 12
In hollow structure.Make to pack up, the overall volume of advance support 1 is smaller, and the present invention widens bracket 13 using one of them
Following table interplanar distance between two left side bars 132 is equal to another and widens the upper surface spacing between 13 liang of left side bars 132 of bracket
Characteristic, making two to widen the gathering of bracket 13 makes, and left side bar 132 overlaps, to reduce volume.Certainly, this needs body frame 12
Left bar 121, right bar 122 intracavity diameter slightly larger than two side rods diameter and.Certainly, two widen bracket 13 collapse when
It can not be overlapped, that is to say, that when gathering, two side rods for widening bracket are in coaxial state.
Embodiment 3
As shown in Figure 1 and Figure 2, on the basis of embodiment 1, the left side of the support bracket 10 in 1 left end of advance support is also set
It is equipped with and lengthens bracket 15, the right of the support bracket 10 of right end, which is equally also equipped with, lengthens bracket 15.The sliding of bracket 15 is lengthened to fix
Widening on bracket 13 on 1 left or right support bracket 10 of advance support, and branch is lengthened by the driving of third driving mechanism 16
Frame 15 is flexible.Equally, it lengthens bracket 15 and widens there are many sliding fixed forms of bracket 13, can be socket, or
Track is slidably connected.The utility model uses socket form, specifically:
Lengthening bracket 15 is by a telescopic rod 151 and two cross bars that be vertically fixed on 151 both ends of telescopic rod and parallel
The third frame body of formation；The bottom bar 131 for widening bracket 13 of 10 side of support bracket is hollow structure, and telescopic rod 151 includes interior bar
1511 and outer bar 1512, interior bar 1511 can be slided in outer bar 1512.Fixed cross bar is threaded through with 151 interior bar 1511 of telescopic rod
Widen in the bottom bar 131 of bracket 13, the jacking end of third driving mechanism 16 is hinged in the outer bar 1512 of telescopic rod 151.
Embodiment 4
As shown in figure 3, figure 4 and figure 5, on the basis of embodiment 2, in the same manner as in Example 3, lengthening branch also is added at both ends
Frame 15.The difference lies in that two cross bars for lengthening bracket 15 are threaded through two respectively and widen in the bottom bar 131 of bracket 13.In order to
Convenient for the fixation of third driving mechanism 16, the present invention has added casing 153 again outside telescopic rod 151, and casing 153 can be in outer bar 1512
It is upper free to slide.The jacking end of third driving mechanism 16 is hinged on casing 153, in this way, when interior bar 1511, outer bar 1512 are distinguished
When widening bracket 13 by two and pulling to two sides, telescopic rod 151 slides in casing 153, does not influence the position of third driving mechanism 16.
Embodiment 5
As shown in fig. 6, in the outer bar 1512 of the lengthening bracket 15 of two sides, being also respectively articulated on the basis of embodiment 3
Left shoulder nest retaining-plate 17 and right shoulder nest retaining-plate 17'.Left shoulder nest retaining-plate 17 and right shoulder nest retaining-plate 17' pass through 4 wheel driven respectively
Motivation structure 18 drives its expansion or folds.The cylinder body of 4th driving mechanism 18 is hinged in outer bar 1512, and jacking end is hinged on shoulder
On the plate body of nest retaining-plate, when the 4th 18 jacking of driving mechanism, shoulder nest retaining-plate expansion, when the 4th driving mechanism 18 is shunk
When, shoulder nest retaining-plate folds into the lower section of support bracket 10, and as advance support 1 is when being softened, under when in a horizontal state
Side.
Embodiment 6
As shown in fig. 7, in the outer bar 1512 of the lengthening bracket 15 of two sides, being also respectively articulated on the basis of embodiment 4
Left shoulder nest retaining-plate 17 and right shoulder nest retaining-plate 17'.The places different from 5 structure of embodiment are left shoulder nest retaining-plate 17 and the right side
Shoulder nest retaining-plate 17' is respectively hinged on the casing 153 that both ends lengthen on bracket 15, i.e., when lengthening the widening by two sides of bracket 15
When bracket 13 stretches, under the action of third driving mechanism 16, casing 153, shoulder nest retaining-plate, which is also at, to be lengthened in bracket 15
Between position.
Embodiment 7
The left shoulder nest retaining-plate 17 and right shoulder nest retaining-plate 17' being previously mentioned in embodiment 5 and embodiment 6 may be designed in
The structure of width adjustable, structure is identical as the structure of support bracket 10, only widens direction difference, this will not be detailed here.
First driving mechanism 11 provided by the invention, the second driving mechanism 14, the 4th driving mechanism of third driving mechanism 16
18 be oil cylinder.Wherein, two 10 mirror settings of support bracket of two support brackets 10 on 1 left side of advance support and the right, now with
For 1 two support brackets 10 in the right of advance support, the cylinder body of the first driving mechanism 11 is hinged on the support bracket 10 close to centre
For intermediate vertical on the body of rod of intermediate bar 123, mandril top is hinged on the frame of adjacent 10 the first frame body of retaining frame of support bracket
Left bar 121 on.
Second driving mechanism 14 is the oil cylinder being arranged in 10 intermediate bar 123 of support bracket, the intermediate bar of each support bracket 10
One (embodiment 1) the second driving mechanism 14 or contrary the second driving machine of two (embodiment 2) jackings are all fixed in 123
Structure 14 widens bracket 13 to 10 two sides of jacking support bracket respectively.
The above-mentioned all oil cylinders of support bracket 10, are arranged at the lower section of advance support 1, and hinge joint can pass through cylinder support
It is fixed, convenient for the transmitting of power.
Embodiment 8
As shown in figure 11, a kind of liftable, folding machine-carried forepoling device are applied on development machine；Including rising
Falling unit, advance support 1；Advance support 1 is any one advance support 1 of above-described embodiment 1-7；Advance support 1 is fixed on lifting
On device, lifting device is fixed on development machine.
As shown in figure 8, lifting device includes mobile base 2, lifting support 3；Lifting support 3 is fixed on the base.Activity
Pedestal 2 includes firm banking 21 and Telescopic base 22；The fixed high-strength bolt that passes through of firm banking 21 is on development machine.Telescopic base
22, which slide through high-strength bolt, is fixed on firm banking 21, and by a telescoping drive mechanism 23 driving Telescopic base 22 in fixation
It is slided on pedestal 21.Telescoping drive mechanism 23 is oil cylinder.In order to make it easy to understand, the mobile base 2 in Figure 11 is shown for plan structure
It is intended to, lifting support 3 is side structure schematic view, advance support 1 is present invention looks up structural representation.
Firm banking 21 is a rectangular frame structure, and Telescopic base 22 is also a rectangular frame structure, in firm banking 21
On open up sliding rail, the lower section of Telescopic base 22 be provided with sliding rail cooperation sliding block, Telescopic base is driven by telescopic oil cylinder
22 move forward or back on firm banking 21.The cylinder body of telescopic oil cylinder is articulated on firm banking 21, and mandril top, which is articulated in, stretches
On contracting pedestal 22.
As shown in Figure 9, Figure 10, lifting support 3 is respectively symmetrically fixed in the two sides of Telescopic base 22.Lifting support 3 wraps
It includes and lifts driving mechanism 31 and lift crane 32；Lifting crane 32 is the scalable body of rod of L shape, and one end is telescopic end 321,
The other end is the fixing end being articulated on Telescopic base 22；The one end for lifting driving mechanism 31 is articulated in the side lever of Telescopic base 22
On, the other end is articulated in the lower surface for lifting the L-shaped structure turning of crane 32.Telescopic end 321 is also pivotally connected front rack work
Arm 33；Front rack working arm 33 is the L shape body of rod；A front rack is also pivotally connected in the upper surface for lifting crane 32L shape turning to lift
Driving mechanism 34；Front rack lifts driving mechanism 34 and the L shape turning lower surface of front rack working arm 33 is pivotally connected.Front rack work
One end of arm 33 is to fix one with the pivot end of lifting the pivot joint of 32 telescopic end 321 of crane, other end sliding and stretched by front rack
The front rack telescopic arm 35 that driving mechanism 36 drives；Front rack telescoping drive mechanism 23 drives front rack telescopic arm 35 along front rack
33 axis of working arm moves forward or back movement；The direction of advance of front rack telescopic arm 35 is opposite with the direction of advance of telescopic end 321.
Lift driving mechanism 31, front rack lifts driving mechanism 34, front rack telescoping drive mechanism 36 is oil cylinder.It lifts
Driving mechanism 31, front rack lift driving mechanism 34, front rack telescoping drive mechanism 36, lift crane 32, front rack work
The axis of arm 33 is in same vertical plane, to guarantee the function of regulating height thereof of lifting support 3.
When lifting support 3 fully opens, front rack telescopic arm 35 is horizontality.The top of two front rack telescopic arms 35
Centre two support bracket 10 of the end respectively by a connection piece and four support brackets 10 is fixed, is also at support bracket 10 horizontal
State.Certainly, for flexible supporting, support bracket 10 and connector are pin-jointed structure, in order to adapt to the empty top zone of certain slope.
As shown in Figure 12 and Figure 13, in specific works, according to actual needs, it can adjust the front and back of supporting by mobile base 2
Position can adjust the height of supporting by lifting support 3, can adjust the width and length of supporting by advance support 1, or even can
Incited somebody to action by adjusting the first driving mechanism 11, third driving mechanism 16, the 4th driving mechanism 18 according to the flatness of branch mask
Multiple support brackets 10 adjust rectangular, arch, trapezoidal or irregular shape, to adapt to by the shape requirements of branch mask.
As shown in Figure 14, Figure 15, the invention avoids the shortcomings of above-mentioned existing gib, and disclosing one kind can stretch
Contracting, the full face airborne advanced temporary support device folded, it is new to solve to need operator to enter in existing construction technology
The empty top zone operation of exposure, security risk is big, and the construction technologies such as low efficiency problem is, it can be achieved that the empty top zone tunneling boring newly disclosed
Gib, position disposably is arrived to rhombus net, M steel band, channel steel of supporting etc., it is ensured that the safety of construction personnel mentions
The high purpose of working efficiency.The gib telescopic folding amount very much not influences the operations performance of development machine, and supporting is strong
Degree, speed are all far longer than the supporting of monomer gib used at present and existing other piggyback temporary supports, prevent
The casualty accident for falling top flat side occurs, and reduces the labor intensity of worker, reduces production cost, removes a hidden danger.The support bracket 10
Change shape different top plate variations can be adapted to as needed, such as: flat-top, arch top, oblique top, triangle top are, it can be achieved that anchor
Weir, trapezoidal canopy, U-shaped canopy are lifted；It is realized by above controllable deformation to longitudinal 1.0--1.9m, lateral 3.6-6.0m
New exposure empty top zone at the top of tunneling boring and two help shoulder nest gib.
The set support bracket 10 have six pieces of small framves that can be folded by special hinge member be formed by connecting, it can be achieved that its
Flexibly, reliably and conformability.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (8)
1. the machine-carried forepoling device of a kind of liftable, folding, stretching, extension is applied on development machine；It is characterized by comprising liters
Falling unit, advance support (1)；The lifting device includes mobile base (2), lifting support (3)；The mobile base (2) is solid
It is scheduled on development machine；The lifting support (3) is fixed on the mobile base (2)；The advance support (1) is fixed on described
On lifting support (3)；Mobile base (2) drives lifting support (3) to be moved forward and backward along tunnel length direction, lifting support (3) band
Dynamic advance support (1) moves up and down；
The advance support includes multiple successively hinged support brackets (10)；From the centre of advance support length direction to two sides,
It is driven to stretch or fold by the first driving mechanism (11) between the two neighboring support bracket (10)；
The support bracket (10) includes body frame (12) and be arranged at body frame (12) side widen bracket (13)；It is described to widen
Bracket (13) sliding is fixed on body frame (12), and widens bracket (13) in body frame (12) by the second driving mechanism (14) driving
On it is flexible along tunnel length direction；The mobile base (2) includes firm banking (21) and Telescopic base (22)；The fixed bottom
Seat (21) is fixed on development machine；Telescopic base (22) sliding is fixed on firm banking (21), and by a flexible driving
Mechanism (23) drives the Telescopic base (22) to slide on firm banking (21)；The lifting support (3) includes lifting driving
It mechanism (31) and lifts crane (32)；Folded lift crane (32) are horizontality, and one end is telescopic end
(321), the other end is the fixing end being articulated on the Telescopic base (22)；One end pivot joint for lifting driving mechanism (31)
On the Telescopic base (22), the other end is articulated in the lower surface for lifting crane (32), lifts crane (32) with driving
It erects and telescopic end (321) is upward；The telescopic end (321) is also pivotally connected a front rack working arm (33)；Folded front rack
Working arm (33) is horizontal；One end of the front rack working arm (33) is the pivot end being pivotally connected with the telescopic end (321),
A front rack telescopic arm (35) driven by front rack telescoping drive mechanism (36) is fixed in other end sliding；The front rack is flexible
The preceding inlet side and advance support (1) of arm (35) are pivotally connected；The front rack telescoping drive mechanism (36) drives the front rack flexible
Arm (35) is moved forward or back along front rack working arm (33) axis and is moved；The direction of advance of the front rack telescopic arm (35) and institute
The direction of advance for stating telescopic end (321) is opposite；A front rack, which is also pivotally connected, in the upper surface for lifting crane (32) lifts drive
Motivation structure (34)；The front rack lifts the jacking end of driving mechanism (34) and the lower surface of front rack working arm (33), fixed
Hold and lift the upper surface pivot joint of crane (32) fixing end.
2. the machine-carried forepoling device of a kind of liftable according to claim 1, folding, stretching, extension, it is characterised in that: institute
It states and widens bracket (13) and body frame (12) using socket.
3. the machine-carried forepoling device of a kind of liftable according to claim 1, folding, stretching, extension, it is characterised in that: institute
Stating body frame (12) is the first frame body being made of rod piece, including left bar (121), right bar (122) and with left bar (121), right bar
(122) parallel intermediate bar (123) is hollow structure；Described widen bracket (13) are the second frame body being made of rod piece, institute
Stating the second frame body includes that bottom bar (131) and three be vertically fixed on bottom bar (131) being fixed on bottom bar (131) are mutually flat
Capable left side bar (132), the right bar (132 ') and middle bar (133)；The left side bar (132), the right bar (132 '), middle bar
(133), left bar (121), right bar (122), intermediate bar (123) are parallel to each other；Two side rod is threaded through the first frame body respectively
In left bar (121), right bar (122)；The second driving mechanism (14) are fixed in the intermediate bar (123)；The middle bar of second frame body
(133) it is threaded through in intermediate bar (123) and is driven by the second driving mechanism (14).
4. the machine-carried forepoling device of a kind of liftable according to claim 3, folding, stretching, extension, it is characterised in that:
The two sides of the body frame (12), which are provided with, widens bracket (13)；It is to be oppositely arranged that two, which are widened bracket (13), in the centre
Two contrary second driving mechanisms (14) of jacking are fixed in bar (123), widen branch to jacking two respectively
Frame (13)；One of them following table interplanar distance widened between two side rods of bracket (13) is equal to another and widens bracket (13) both sides
Upper surface spacing between bar.
5. the machine-carried forepoling device of a kind of liftable according to claim 4, folding, stretching, extension, it is characterised in that: place
In also sliding is fixed with lengthening bracket (15) on the support bracket (10) at advance support both ends；Lengthening bracket (15) the sliding difference
It is fixed on widening on bracket (13) on the support bracket (10) at advance support both ends, and is added by third driving mechanism (16) driving
Long stent (15) is flexible.
6. the machine-carried forepoling device of a kind of liftable according to claim 5, folding, stretching, extension, it is characterised in that: institute
Stating and lengthening bracket (15) is by a telescopic rod (151) and two cross bars that be vertically fixed on telescopic rod (151) both ends and parallel
(152) the third frame body formed；The bottom bar (131) for widening bracket (13) of support bracket (10) two sides is hollow structure；Institute
It states two cross bars (152) and is threaded through two respectively and widen in the bottom bar (131) of bracket (13)；It is also arranged outside in the telescopic rod (151)
There are casing (153)；Described sleeve pipe (153) is slided along telescopic rod (151) axis；It cuts with scissors at the jacking end of the third driving mechanism (16)
It connects on described sleeve pipe (153).
7. the machine-carried forepoling device of a kind of liftable according to claim 6, folding, stretching, extension, it is characterised in that:
On casing (153) on the lengthening bracket (15) of two sides, it is also respectively articulated with left shoulder nest retaining-plate (17) and right shoulder nest retaining-plate
(17')；The left shoulder nest retaining-plate (17) and right shoulder nest retaining-plate (17 ') drive its exhibition by the 4th driving mechanism (18) respectively
It opens or folds.
8. the machine-carried forepoling device of a kind of liftable according to claim 4, folding, stretching, extension, it is characterised in that: institute
Stating the first driving mechanism (11), the second driving mechanism (14), the 4th driving mechanism (18) of third driving mechanism (16) is oil cylinder；
The both ends of first driving mechanism (11) are hinged on the two neighboring body frame (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200567.9A CN106761872B (en) | 2016-12-22 | 2016-12-22 | A kind of liftable, folding, stretching, extension machine-carried forepoling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611200567.9A CN106761872B (en) | 2016-12-22 | 2016-12-22 | A kind of liftable, folding, stretching, extension machine-carried forepoling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761872A CN106761872A (en) | 2017-05-31 |
| CN106761872B true CN106761872B (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611200567.9A Active CN106761872B (en) | 2016-12-22 | 2016-12-22 | A kind of liftable, folding, stretching, extension machine-carried forepoling device |
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| Country | Link |
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| CN (1) | CN106761872B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2140421A1 (en) * | 1971-06-05 | 1973-01-19 | Kloeckner Werke Ag | |
| CN2483298Y (en) * | 2001-04-25 | 2002-03-27 | 戴美鸽 | Adjustable and multi-purpose rear carrier of bicycle |
| CN201209446Y (en) * | 2008-04-30 | 2009-03-18 | 三一重型装备有限公司 | Boring and protecting integrative machine |
| CN102182485A (en) * | 2011-03-17 | 2011-09-14 | 兖州煤业股份有限公司 | Vehicle-mounted advance support device of cantilever type excavator |
| CN202937279U (en) * | 2012-10-25 | 2013-05-15 | 泰安市华硕能源科技有限公司 | High-dipping flexible shield support for coal cutting |
| CN206439064U (en) * | 2016-12-22 | 2017-08-25 | 淮南矿业(集团)有限责任公司 | A kind of liftable, folding, the machine-carried forepoling device stretched |
-
2016
- 2016-12-22 CN CN201611200567.9A patent/CN106761872B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2140421A1 (en) * | 1971-06-05 | 1973-01-19 | Kloeckner Werke Ag | |
| CN2483298Y (en) * | 2001-04-25 | 2002-03-27 | 戴美鸽 | Adjustable and multi-purpose rear carrier of bicycle |
| CN201209446Y (en) * | 2008-04-30 | 2009-03-18 | 三一重型装备有限公司 | Boring and protecting integrative machine |
| CN102182485A (en) * | 2011-03-17 | 2011-09-14 | 兖州煤业股份有限公司 | Vehicle-mounted advance support device of cantilever type excavator |
| CN202937279U (en) * | 2012-10-25 | 2013-05-15 | 泰安市华硕能源科技有限公司 | High-dipping flexible shield support for coal cutting |
| CN206439064U (en) * | 2016-12-22 | 2017-08-25 | 淮南矿业(集团)有限责任公司 | A kind of liftable, folding, the machine-carried forepoling device stretched |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761872A (en) | 2017-05-31 |
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