CN202544887U - Tunnel self-moving supporting shed - Google Patents

Tunnel self-moving supporting shed Download PDF

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Publication number
CN202544887U
CN202544887U CN2012201850300U CN201220185030U CN202544887U CN 202544887 U CN202544887 U CN 202544887U CN 2012201850300 U CN2012201850300 U CN 2012201850300U CN 201220185030 U CN201220185030 U CN 201220185030U CN 202544887 U CN202544887 U CN 202544887U
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CN
China
Prior art keywords
semiarch
ellbeam
arched girder
jack
arched
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CN2012201850300U
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Chinese (zh)
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李信斌
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李信斌
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Abstract

The utility model discloses a tunnel self-moving supporting shed, which comprises a front arched frame, a rear arched frame, forward movement jacks and supporting jacks, wherein the front arched frame comprises more than three front longitudinal beams and more than three front arched beams; all front longitudinal beams are longitudinally arranged along arched upper surfaces of the front arched beams; each front longitudinal beam is connected with all front arched beams; the supporting jacks are arranged below the front arched frame; the rear arched frame comprises more than three rear longitudinal beams and more than three rear arched beams; all rear longitudinal beams are longitudinally arranged along the arched upper surfaces of the rear arched beams; each rear longitudinal beam is connected with all rear arched beams; the supporting jacks are arranged below the rear arched frame; the front longitudinal beams and the rear longitudinal beams are arranged at intervals; an interval is formed between one of the front arched beams and the adjacent rear arched beam in forward direction; one end of each forward movement jack is connected with each front arched frame, and the other end of each forward movement jack is connected with each rear arched frame; and the front arched beams and the rear arched beams are arched beams. The tunnel self-moving supporting shed is time-saving, labor-saving, safe and reliable.

Description

A kind of tunnel is from moving the support canopy
Technical field
The utility model relates to traffic, water conservancy, and municipal tunnel piercing engineering field, particularly a kind of tunnel is from moving the support canopy.
Background technology
Have in the prior art and use shield machine to carry out the driving of engineering tunnel, still because various condition is limit, in the construction of mountain tunnel, main still with blast working, conventional method for supporting is main.
The fastening of in known arched tunnel, using has the steel bow member, and the steel bow member is round steel pipe or the i iron that curves arch one by one.In order to support country rock.Also having a kind of is 10 to the 45 meters steel pipes of length that vertically use, and three faces that this steel pipe arch is arranged in country rock are called the pipe canopy, can play the effect of leading support.Also has anchor pole, many method for supporting such as log hut.
In realizing the process of the utility model, the inventor finds that there is following problem at least in prior art: existing fastening and method all waste time and energy and safe effect bad, become the main cause that influences programming.The also main backwardness of security incident from these method for supporting and equipment.More there is not a kind of fastening to be able to from the function of moving.
The utility model content
The purpose of the utility model embodiment is the defective to above-mentioned prior art, provides a kind of and can move the support canopy certainly from the tunnel that moves, use is time saving and energy saving, safe and reliable.
The technical scheme taked of the utility model is to achieve these goals:
A kind of tunnel is from moving the support canopy; Comprise preceding bow member, back bow member, reach jack and support jack; Bow member comprises three above front longitudinals and the preceding arched girder more than three before said; All said front longitudinals vertically are provided with along the arch upper surface of said preceding arched girder, and each said front longitudinal connects all preceding arched girders, and said preceding bow member below is provided with the support jack; Said back bow member comprises three above floor side members and the back arched girder more than three; All said floor side members vertically are provided with along the arch upper surface of said back arched girder; Each said floor side member connects all back arched girders, and bow member below, said back is provided with the support jack; Said front longitudinal and said floor side member are provided with at interval, are provided with spacing between the arched girder said arched girder afterwards adjacent with the place ahead before said; Said reach jack one end connects said preceding bow member, and the said reach jack other end connects said back bow member, and said preceding arched girder and said back arched girder are arched girder.
Arched girder comprises the first semiarch ellbeam and the second semiarch ellbeam before said; The said first semiarch ellbeam and the second semiarch ellbeam are oppositely arranged the formation arched girder; The said first semiarch ellbeam is connected through connector with the second semiarch ellbeam; Said connector can make and shrink to the inside under the effect of power outside of the first semiarch ellbeam and the second semiarch ellbeam or launch certain angle laterally, said before arched girder identical with the structure of said arched girder afterwards.
Said connector is a latch plate; The middle part of said first semiarch ellbeam upper end is provided with opening; The middle part of said second semiarch ellbeam upper end is provided with opening; One end of said latch plate inserts in the intermediate openings of the first semiarch ellbeam, and the other end of said latch plate inserts in the intermediate openings of the second semiarch ellbeam, and said latch plate is fixedly connected through bearing pin with the second semiarch ellbeam with the said first semiarch ellbeam.
Said connector is first hinge.
The arch inboard of the said first semiarch ellbeam and the second semiarch ellbeam is provided with extensible canopy, and said extensible canopy one end connects the first semiarch ellbeam, and the other end connects the second semiarch ellbeam.
Said extensible canopy comprises needle beam and cross bearer; Said needle beam one end inserts in the said cross bearer; The other end links to each other with the inboard hinge seat of the first semiarch ellbeam through hinge, is provided with horizontal jack in the said extensible canopy, and said horizontal jack one end and said needle beam are hinged; The other end and said cross bearer are hinged, and an end of said cross bearer links to each other with the inboard hinge seat of the second semiarch ellbeam through hinge.
Said connector comprises stage casing beam and two hinges, and said stage casing beam one end connects the first semiarch ellbeam through a hinge, and the other end connects the said second semiarch ellbeam through another hinge.
Said extensible canopy comprises the first diagonal brace jack and the second diagonal brace jack; The said first diagonal brace jack, one end links to each other with the inboard hinge seat of the first semiarch ellbeam through hinge; The other end links to each other with the double-strand chain seat; Said double-strand chain seat links to each other with connector, and the said second diagonal brace jack, one end links to each other with the inboard hinge seat of the second semiarch ellbeam through hinge, and the other end links to each other with said double-strand chain seat.
Arched girder is extended with the flank beam downwards with the two ends of back arched girder before said, and said flank beam is provided with the wall supporting beam.
Said reach jack one end connects said preceding arched girder, and the other end connects said back arched girder; Said support jack is arranged on the below at said preceding arched girder and arched girder two ends, back.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: the support canopy of the utility model can be walked, and can under weak surrounding rock, support arch top and two lateral walls, can help continual support force to top and two.Can arch jacking row just exposed after the explosion in time be supported.The utility model has realized that the support canopy not only supports the arch top in addition, and can support two lateral walls, has reached face general safety support effect.Make that the arched tunnel that is supported has been accomplished to fall to collapsing, comprehensive prevention of cave-in accident.Have and use time saving and energy saving, safe and reliable advantage.
Description of drawings
Fig. 1 is that the tunnel that the utility model embodiment provides moves the vertical view that supports canopy certainly;
Fig. 2 is that the tunnel that the utility model embodiment provides supports the king-size lateral view of canopy from moving;
Fig. 3 is that the tunnel that provides among the utility model embodiment moves the front view that supports canopy certainly;
Fig. 4 is the face arch shelf structure sketch map that provides among the utility model embodiment;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the rear arch shelf structure sketch map that provides among the utility model embodiment;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is that the tunnel that has latch plate that the utility model embodiment provides moves the structural representation that supports canopy certainly;
Fig. 9 is that the tunnel that has a kind of extensible canopy structure that the utility model embodiment provides moves the structural representation that supports canopy certainly;
Figure 10 is that the tunnel that has another kind of extensible canopy structure that the utility model embodiment provides moves the structural representation that supports canopy certainly;
Figure 11 is that the tunnel that has another extensible canopy structure that the utility model embodiment provides moves the structural representation that supports canopy certainly;
Figure 12 is that the tunnel that has the wall supporting beam that the utility model embodiment provides moves the structural representation that supports canopy certainly;
Figure 13 a is that the tunnel that provides among the utility model embodiment moves the sketch map that supports canopy reach step 1 certainly;
Figure 13 b is that the tunnel that provides among the utility model embodiment moves the sketch map that supports canopy reach step 2 certainly;
Figure 13 c is that the tunnel that provides among the utility model embodiment moves the sketch map that supports canopy reach step 3 certainly;
Figure 13 d is that the tunnel that provides among the utility model embodiment moves the sketch map that supports canopy reach step 4 certainly;
Figure 13 e is that the tunnel that provides among the utility model embodiment moves the sketch map that supports canopy reach step 5 certainly;
Figure 13 f is that the tunnel that provides among the utility model embodiment moves the sketch map that supports canopy reach step 6 certainly.
Among the figure:
Bow member before 1,10 front longitudinals, 11 preceding arched girders, 110 first semiarch ellbeams, 111 second semiarch ellbeams, 112 stage casing beams, 12 cushion blocks;
2 back bow members, 20 floor side members, 21 back arched girders;
3 reach jack;
4 support jack;
5 latch plates;
6 first hinges;
7 extensible canopies, 70 needle beams, 71 cross bearers, 72 horizontal jack, 73 first diagonal brace jack, 74 second diagonal brace jack, 75 multiple twin chain seats.
The hinge seat that 8 first semiarch ellbeams are inboard; The hinge seat that 9 second semiarch ellbeams are inboard; 13 tops; 14 sides top; 15 lateral walls; 16 country rocks; 17 flank beams; 18 wall supporting beams; 19 hinges.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model embodiment is done to describe in detail further below.
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of tunnel is bow member 1, back bow member 2, reach jack 3 and support jack 4 before move the support canopy, comprising; Preceding bow member 1 comprises three above front longitudinals 10 and the preceding arched girder 11 more than three; All front longitudinal 10 vertically evenly is provided with along the arch upper surface of preceding arched girder 11, and each front longitudinal 10 connects all preceding arched girders 11, and front longitudinal 10 adds a cushion block 12 with preceding arched girder 11 in the junction; Be fixed as one then, preceding bow member 1 below is provided with supports jack 4; Back bow member 2 comprises three above floor side members 20 and the back arched girder 21 more than three; All the arch upper surface of floor side member 20 arched girder 21 along the back vertically evenly is provided with; Each floor side member 20 connects all back arched girders 21; Floor side member 20 adds a cushion block 12 with back arched girder 21 in the junction, be fixed as one then, and back bow member 2 belows are provided with supports jack 4; Front longitudinal 10 is provided with floor side member 20 at interval, is provided with spacing between the preceding arched girder 11 back arched girder 21 adjacent with direction of advance, and spacing is the distance that preceding bow member 1 takes a step forward; Bow member 1 before reach jack 3 one ends connect, reach jack 3 other ends connect back bow member 2, and preceding arched girder 11 is arched girder with back arched girder 21.
The preceding bow member of the utility model comprises the preceding arched girder that curves arch more than three; Preceding arched girder is vertically in a row placed; Some the front longitudinals of vertically placing are arranged in preceding arched girder periphery; There is a cushion block 12 arched girder and each front longitudinal junction before each, the length of cushion block 12 and wide be exactly the width of front longitudinal, thickness is about 60mm.Preceding arched girder, front longitudinal and cushion block are fixed the arch face arch shelf structure (referring to Fig. 4 and Fig. 5) of the solid of back formation by above permutation inter.Rear arch shelf structure such as Fig. 6 and shown in Figure 7, its type is identical with preceding bow member frame type, preceding bow member and back bow member is pressed former structure separately, with re-assemblying together of the method intersection stack that occupies the other side gap mutually.In the forward and backward bow member assembly after re-assemblying, forward and backward bow member is unfixing mutually, independent separately adult, and each other on a left side, the right side, on, lower direction can have the activity of a pad thickness.Preceding, the distance that the rear has the gap of arched girder the place ahead before a section and back arched girder to form to (just vertical).The length of this distance be forward and backward bow member can before and after the distance drawn back, also be the support canopy forward step distance that needs.
Referring to Fig. 1 and Fig. 2, as a kind of preferred, arched girder 11 before reach jack 3 one ends connect, reach jack 3 other ends connect back arched girder 21; Support the below that jack 4 is arranged on preceding arched girder 11 and back arched girder 21 two ends.
Reach jack 3 one ends also can be connected on the front longitudinal 10, and the other end is connected on the floor side member 20.
The preceding bow member of bow member and back can successively move forward under elongation of reach jack and the effect of shortening voluntarily before the utility model was assembled the back, was used for the support to the uninterrupted power of arched tunnel top country rock.The supporting surface of the utility model is an arch, also is suitable for the support that outline line is the tunnel front of various arcs, and support effect is good, and it is time saving and energy saving, safe and reliable to use.
Referring to Fig. 8; Preceding arched girder 11 comprises the first semiarch ellbeam 110 and the second semiarch ellbeam 111; The first semiarch ellbeam 110 and the second semiarch ellbeam 111 are oppositely arranged the formation arched girder; The first semiarch ellbeam 110 is connected through connector with the second semiarch ellbeam 111, and said connector can make the first semiarch ellbeam 110 and the second semiarch ellbeam 111 under the effect of external force, shrink to the inside or launch certain angle laterally, and preceding arched girder 11 is identical with the structure of back arched girder 21.
As preferably; Connector is a latch plate 5; The middle part of the first semiarch ellbeam, 110 upper ends is provided with opening, and the upper end middle part of the second semiarch ellbeam 111 is provided with opening, and an end of latch plate 5 inserts in the upper end opening of the first semiarch ellbeam 110; The other end of latch plate 5 inserts in the upper end opening of the second semiarch ellbeam 111, and latch plate 5 and the first semiarch ellbeam 110 are fixedly connected through bearing pin with the second semiarch ellbeam 111.
The tunnel of the utility model supports canopy under the effect of the power vertically upward of support jack from moving, and there is support force on the country rock top.Along with arch is extended to two ends, when both sides were downward gradually simultaneously, the support force on offside top had just reduced.In order to strengthen the support force on side top, the country rock that pushes up with the control side collapses, and the utility model breaks off the positive middle part of arched girder, adds a spring structure, makes arched girder under the effect of external force, outwards launch certain angle, and the variation of angle has produced the variation of distance.When supporting the lower end of jack support arched girder, arched girder just has the action of outside stretching, extension, can push up enough support forces to side.The latch plate function of the utility model makes arched tunnel support canopy and has realized, can be to the effect of the support force of 50% above area of whole tunnel surroundings.
As preferably, connector can also be first hinge 6.
First hinge is set reaches the left and right sides both wings that make arched girder equally and under the effect of external force, shrink to the inside or launch certain angle laterally, ensure to the enough support forces in side top, use safety and reliability.
Referring to Fig. 9, present embodiment is on the basis of the foregoing description, and the arch inboard of the first semiarch ellbeam 110 and the second semiarch ellbeam 111 is provided with extensible canopy 7, and extensible canopy 7 one ends connect the first semiarch ellbeam 110, and the other end connects the second semiarch ellbeam 111.
When there was support force upwards on support jack pair top, horizontal extensible canopy also can make the support canopy that good controlled support force and stability arranged to side top cross binding power.
As preferably; Extensible canopy 7 comprises needle beam 70 and cross bearer 71, and needle beam 70 1 ends insert in the cross bearer 71, and the other end links to each other with the inboard hinge seat 8 of the first semiarch ellbeam through hinge; Be provided with horizontal jack 72 in the extensible canopy 7; Laterally jack 72 1 ends and needle beam 70 are hinged, and the other end and cross bearer 71 are hinged, and an end of cross bearer 71 links to each other with the inboard hinge seat 9 of the second semiarch ellbeam through hinge.Needle beam and cross bearer are the shaped steel or the structural iron of hollow.
The utility model can realize that in order to make the tunnel top is by the effect that all supports.Support the support force of canopy in order to increase to 16 liang of flank tops of country rock; And the stability that supports canopy is improved; Need horizontal support force; The centre position that the utility model is employed in arched girder adds a hinge, and making the brace summer of arched girder both wings can be center of rotation with the hinge, and becoming can be inside or the frame construction of outside movable certain angle.Between the both wings of arched girder, add a horizontal telescopic crossbeam, i.e. extensible canopy, in establish hydraulic jack, make crossbeam extending, shorten.Both wings groups beam is moved inward and break away from support, slide with very little frictional resistance forward direction to lateral wall.Can outwards move during elongation, support both sides top 14, and both wings all receive the effect of support force and will make side top girth rock be difficult for producing to collapse.The hinge of the utility model adds horizontal jack structure; Horizontal lateral force is provided; Support for arch support canopy both wings side roof part provides support force; The stability that supports canopy is improved, even is temporarily removing under the situation that supports jack, only rely on the effect of horizontal jack power to stablize and firmly support canopy.Therefore the arch support canopy that has increased scalable beam is difficult for taking place the phenomenon of falling the canopy.The arch support canopy of the utility model not only can be walked automatically, and has realized that three wear active force and support tunnel arch top board, and three faces are all with the function of uninterrupted support force.The structure of the utility model can be used in the big country rock tunnel of fragmentation and pressure.
Referring to Figure 10; Also available two the diagonal brace jack structures of the extensible canopy structure of the utility model substitute; Two diagonal brace jack structures comprise the first diagonal brace jack 73 and the second diagonal brace jack 74; The first diagonal brace jack, 73 1 ends link to each other with the inboard hinge seat 8 of the first semiarch ellbeam through hinge, and the other end links to each other with double-strand chain seat 75, and double-strand chain seat 75 links to each other with first hinge 6; The second diagonal brace jack, 74 1 ends link to each other with the inboard hinge seat 9 of the second semiarch ellbeam through hinge, and the other end links to each other with double-strand chain seat 75.
The extensible canopy of this diagonal brace jack structure, the position of telescoping mechanism is upwards moved.Make the highly increasing of passing through of supporting canopy below haulage vehicle.
Referring to Figure 11; Connector comprises stage casing beam 112 and two hinges 19; Beam 112 1 ends in stage casing connect the first semiarch ellbeam 110 through a hinge 19, and the other end connects the second semiarch ellbeam 111 through another hinge 19, and double-strand chain seat 75 is fixed on the below of stage casing beam 112; The double-strand chain seat 75 1 ends first diagonal brace jack 73 that is connected through the hinge, the other end second diagonal brace jack 74 that is connected through the hinge.
The stage casing beam is set.A front longitudinal can be set above the beam of stage casing, a front longitudinal promptly is installed above the center of supporting canopy, to support top, center, tunnel country rock.
Referring to Figure 11 and Figure 12, as preferably, the two ends of preceding arched girder 11 are extended with flank beam 17 downwards, and flank beam 17 is provided with wall supporting beam 18.Back arched girder 21 is identical with the structure of preceding arched girder 11, and back arched girder two ends also are extended with flank beam 17, on establish wall supporting beam 18.
The utility model also can be with the both wings of arched girder to extending below lengthening, straight line lengthening or curve lengthening all can, the long beam of bar shaped is longitudinally fixed in the outside of arched girder lengthening section, just wall supporting beam longitudinally.The various sizes of wall supporting beam can be identical with front longitudinal, and the preceding arched girder and the wall supporting beam of lengthening just also screen two lateral walls downwards, and the function that makes the arch support canopy has expanded two lateral walls that can also protect the tunnel from only supporting tunnel top to and extend.Realized becoming and can support one side (top), the walked fastening on shielding two sides (two help) has realized that arched tunnel supports the function that canopy can support country rock shielding two sides, tunnel country rock from moving.When this kind frame type uses, can effectively eliminate of the danger of the rock of top, both sides and two lateral wall landings to personnel and equipment generation in tunnel.For the top rock crusher and country rock more stable tunnel result of use in both sides is good.Just can use the arched girder of being with connector first hinge, latch plate or stage casing beam if run into all broken and unsettled work plane of three country rocks in tunnel; This arched girder also is with extensible canopy 7; Also be with flank beam 17 and wall supporting beam 18 simultaneously, make the support canopy of the utility model realize active force support function (referring to Figure 10, Figure 11 and Figure 12) is worn in three of tunnel.
The utility model also can realize supporting the big forward step distance of canopy, as long as the stroke of advancing mechanism allows, the spacing of face arch arching beam and rear arch arching beam strengthens, and can realize big step pitch.This makes support canopy speed of advancement fast, and the single cycle driving amount in tunnel can strengthen, and speed of application is fast.
The longitudinal beam that the utility model supports canopy can be made into pipe nipple, and the articulated structure that can dock is all processed at the pipe nipple two ends, the convenient transportation of pipe nipple, and what can connect when being used for the tunnel of the long distance support of needs is very long.
With Fig. 9 frame type is that example narration the utility model tunnel moves traveling method and each function that supports canopy certainly:
1. referring to Figure 13 a, supporting under the canopy state that all support is good, all support jack 4 on the bow member 1 before mentioning, and make suspension column break away from base plate, unload the support force to the top country rock.Horizontal jack action in the extensible canopy is shortened extensible canopy, cancels the support force on offside top.At this moment preceding bow member 1 top is front longitudinal 10 longitudinally, has dropped on the top of the horizontal back arched girder 21 of back bow member 2.This moment, back bow member 2 supported the top and the side top girth rock in tunnel.Various equipment weight before also bearing simultaneously on bow member 1 and the preceding bow member 1.
2.. referring to Figure 13 b, reach jack elongation, bow member 1 before promoting, bow member 1 is with coupled whole devices step pitch that moves forward together before making.
3. referring to Figure 13 c, the support jack 4 before falling on the bow member 1 rises preceding bow member 1, has supported the top country rock.The extensible canopy elongation.The bow member both wings touch the top, both sides before making, and the top, both sides has also just received, the support force that horizontal jack is given in the extensible canopy.Preceding bow member reach finishes.
4.. referring to Figure 13 d, mention all support jack 4 on the bow member 2 of back, make the back bow member to the top unloading.Extensible canopy shortens, and makes the two flank offsides top unloading of back bow member 2.At this moment the floor side member 20 on the bow member 2 of back has broken away from the top country rock, has dropped on the preceding arched girder 11 of preceding bow member 1.Bow member 1 is supporting the weight of all equipping on top and side top girth rock and the back bow member 2 before this moment.
5. referring to Figure 13 e, the reach jack shortens, the step pitch of whole equipment reaches on pulling back bow member 2 and the back bow member 2.Back bow member 2 front ends and preceding bow member 1 front end are also neat.
6. referring to Figure 13 f, fall and all support jack 4 on the bow member 2 of back, supported the top country rock, the extensible canopy elongation on the back bow member 2, the both wings of bow member 2 after overhanging to the left and right make the floor side member offside top in the both wings outside load support force.The top in tunnel is all supported.Support canopy and all move completions, flexible beam action is the stable support canopy, and to top, both sides loading support force.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (10)

1. a tunnel is from moving the support canopy; It is characterized in that; Comprise preceding bow member, back bow member, reach jack and support jack, said preceding bow member comprises three above front longitudinals and the preceding arched girder more than three, and all said front longitudinals vertically are provided with along the arch upper surface of said preceding arched girder; Each said front longitudinal connects all preceding arched girders, and said preceding bow member below is provided with the support jack; Said back bow member comprises three above floor side members and the back arched girder more than three; All said floor side members vertically are provided with along the arch upper surface of said back arched girder; Each said floor side member connects all back arched girders, and bow member below, said back is provided with the support jack; Said front longitudinal and said floor side member are provided with at interval, are provided with spacing between the arched girder said arched girder afterwards adjacent with the place ahead before said; Said reach jack one end connects said preceding bow member, and the said reach jack other end connects said back bow member, and said preceding arched girder and said back arched girder are arched girder.
2. tunnel according to claim 1 is from moving the support canopy; It is characterized in that; Arched girder comprises the first semiarch ellbeam and the second semiarch ellbeam before said; The said first semiarch ellbeam and the second semiarch ellbeam are oppositely arranged the formation arched girder; The said first semiarch ellbeam is connected through connector with the second semiarch ellbeam, and said connector can make and shrink to the inside under the effect of power outside of the first semiarch ellbeam and the second semiarch ellbeam or launch certain angle laterally, said before arched girder identical with the structure of said arched girder afterwards.
3. tunnel according to claim 2 is from moving the support canopy; It is characterized in that said connector is a latch plate, the middle part of said first semiarch ellbeam upper end is provided with opening; The middle part of said second semiarch ellbeam upper end is provided with opening; One end of said latch plate inserts in the intermediate openings of the first semiarch ellbeam, and the other end of said latch plate inserts in the intermediate openings of the second semiarch ellbeam, and said latch plate is fixedly connected through bearing pin with the second semiarch ellbeam with the said first semiarch ellbeam.
4. tunnel according to claim 2 is characterized in that from moving the support canopy said connector is first hinge.
5. tunnel according to claim 2 is from moving the support canopy; It is characterized in that; Said connector comprises stage casing beam and two hinges, and said stage casing beam one end connects the first semiarch ellbeam through a hinge, and the other end connects the said second semiarch ellbeam through another hinge.
6. move the support canopy certainly according to claim 4 or 5 described tunnels, it is characterized in that the arch inboard of the said first semiarch ellbeam and the second semiarch ellbeam is provided with extensible canopy, said extensible canopy one end connects the first semiarch ellbeam, and the other end connects the second semiarch ellbeam.
7. tunnel according to claim 6 is characterized in that from moving the support canopy said extensible canopy comprises needle beam and cross bearer; Said needle beam one end inserts in the said cross bearer; The other end links to each other with the inboard hinge seat of the first semiarch ellbeam through hinge, is provided with horizontal jack in the said extensible canopy, and said horizontal jack one end and said needle beam are hinged; The other end and said cross bearer are hinged, and an end of said cross bearer links to each other with the inboard hinge seat of the second semiarch ellbeam through hinge.
8. tunnel according to claim 6 is from moving the support canopy; It is characterized in that said extensible canopy comprises the first diagonal brace jack and the second diagonal brace jack, the said first diagonal brace jack, one end links to each other with the inboard hinge seat of the first semiarch ellbeam through hinge; The other end links to each other with the double-strand chain seat; Said double-strand chain seat links to each other with connector, and the said second diagonal brace jack, one end links to each other with the inboard hinge seat of the second semiarch ellbeam through hinge, and the other end links to each other with said double-strand chain seat.
9. move the support canopy certainly according to each described tunnel of claim 1-5, it is characterized in that, said preceding arched girder is extended with the flank beam downwards with the two ends of back arched girder, and said flank beam is provided with the wall supporting beam.
10. move the support canopy certainly according to each described tunnel of claim 9, it is characterized in that, said reach jack one end connects said preceding arched girder, and the other end connects said back arched girder; Said support jack is arranged on the below at said preceding arched girder and arched girder two ends, back.
CN2012201850300U 2012-04-26 2012-04-26 Tunnel self-moving supporting shed Withdrawn - After Issue CN202544887U (en)

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CN109268655A (en) * 2018-11-26 2019-01-25 王淑华 A kind of mechanical support device for coal mining

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102628368A (en) * 2012-04-26 2012-08-08 李信斌 Tunnel self-advancing support shed
WO2013159448A1 (en) * 2012-04-26 2013-10-31 Li Xinbin Self-moving tunnel support canopy
US9291053B2 (en) 2012-04-26 2016-03-22 Xinbin Li Self-moving tunnel support canopy
CN104141504A (en) * 2014-07-14 2014-11-12 霍忠明 Arch-cross-section roadway tunneling support device
CN107905818A (en) * 2017-12-11 2018-04-13 李信斌 A kind of tunnel concrete lining construction ancillary equipment and construction technology
CN108193720A (en) * 2017-12-28 2018-06-22 石家庄铁道大学 A kind of high ferro roof truss without columns hydraulic shock-absorbing device
CN108533302A (en) * 2018-04-18 2018-09-14 贵州大学 A kind of internally-arranged type Telescopic movable supporting arch
CN109268655A (en) * 2018-11-26 2019-01-25 王淑华 A kind of mechanical support device for coal mining

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