CN114876492A - Contact channel construction method for carrying out slag tapping by using hanging bracket - Google Patents
Contact channel construction method for carrying out slag tapping by using hanging bracket Download PDFInfo
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- CN114876492A CN114876492A CN202210509875.9A CN202210509875A CN114876492A CN 114876492 A CN114876492 A CN 114876492A CN 202210509875 A CN202210509875 A CN 202210509875A CN 114876492 A CN114876492 A CN 114876492A
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- 239000002893 slag Substances 0.000 title claims abstract description 59
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000010079 rubber tapping Methods 0.000 title abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 32
- 239000013049 sediment Substances 0.000 claims abstract description 31
- 239000002689 soil Substances 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 abstract description 11
- 239000003818 cinder Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
- B66C11/06—Underhung trolleys running on monorails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The application discloses a construction method of an interconnection channel for carrying out slag tapping by adopting a hanging bracket, wherein a support frame is built in a subway tunnel, and then a concrete segment on the tunnel face of the interconnection channel is dismantled; then, driving the advanced guide pipe into a soil layer on the periphery of the tunnel face of the communication channel, and then pouring concrete slurry into the advanced guide pipe; then excavating a connection channel, hoisting a hanging bracket at the vault of the subway tunnel and the excavated connection channel, and conveying a slag conveying hopper through the hanging bracket; after slag removal is completed, an arch wall steel frame and a steel bar net piece are installed in the communication channel, and primary support concrete is sprayed to reinforce a soil layer. Through at the inside gallows that sets up of contact passageway for the fortune sediment fill with the dregs of earth can be followed the top process of arranging the equipment in contact passageway and subway tunnel handing-over department, thereby need not to move and rearrange excavation equipment, has saved a large amount of time, has improved the efficiency of construction.
Description
Technical Field
The application relates to the technical field of tunnel construction, in particular to a construction method of an interconnection channel for carrying out slag tapping by adopting a hanging bracket.
Background
The communication channel is a tunnel penetrating through two subway tunnels, the function of the communication channel is to ensure the driving safety and the communication in the two parallel tunnels, and once accidents such as traffic accidents, fire disasters and the like happen in a certain tunnel, related personnel can safely transfer to the other tunnel from the communication channel to escape.
When the excavation construction of the contact channel is carried out, a temporary support frame needs to be arranged inside the subway tunnel firstly, so that the safety and stress conversion of the shield tunnel lining in the process of duct piece opening and the contact channel excavation are ensured. Then, a lead guide pipe is driven into the periphery of the section of the connecting channel and grouting pre-reinforcement is carried out, so that the soil body is not easy to collapse in the subsequent excavation process, excavation and slag removal are carried out in sections, and a supporting structure is constructed at the same time, so that the possibility of collapse of the connecting channel is reduced.
When the scarfing cinder, because contact passageway and subway tunnel mutually perpendicular, and can stack a large amount of equipment with entrance to a cave department in the contact passageway of excavation in-process, consequently, when transporting the soil cinder, often need to move equipment, need rearrange equipment after waiting to accomplish the scarfing cinder again, and because the contact passageway segmentation excavates, consequently, frequent equipment of moving can waste a large amount of time with rearranging equipment to influence the efficiency of construction.
Disclosure of Invention
In order to transport away the soil slag generated in the process of excavating the connection channel in time so as to improve the construction efficiency, the application provides a connection channel construction method for transporting the slag out of a hanging bracket.
The application provides an adopt contact passageway construction method of gallows outward transport slagging tap adopts following technical scheme:
a method for constructing an interconnection channel for carrying out slag tapping by using a hanging bracket comprises the following steps:
s1, building a support frame in the subway tunnel, and then removing a concrete segment on the tunnel face of the communication channel;
s2, driving the advanced guide pipe into a soil layer around the tunnel face of the communication channel according to a construction drawing, and then pouring concrete slurry into the advanced guide pipe;
s3, excavating a communication channel;
s4, constructing hangers in the subway tunnel and the excavated contact channel;
s5, loading the soil slag into a slag conveying hopper, and conveying the slag conveying hopper by using a hanging bracket;
s6, after slag removal is completed, installing an arch wall steel frame and a steel bar net sheet in the communication channel, and then spraying primary concrete to reinforce a soil layer;
s7, repeating S3, S5 and S6 until the construction of the communication channel is completed;
the lifting frame comprises a conveying device for conveying the slag conveying bucket and a lifting device for lifting the slag conveying bucket, wherein the conveying device comprises a conveying track lifted on the arch crown of the communication channel and the subway tunnel and a driving vehicle arranged on the conveying track; the conveying track comprises a first track, a second track and an arc track, wherein the first track and the second track are perpendicular to each other, and the arc track is connected between the first track and the second track; the first track comprises an end track and a plurality of sections of connecting tracks, and the connecting tracks are detachably connected between the end track and the arc-shaped track.
Through adopting above-mentioned technical scheme, before the dregs of earth in the clearance contact passageway, earlier hoist and mount the vault at contact passageway and subway tunnel with the gallows. When arranging the gallows, need to ensure that the arc track is located the handing-over department of contact passageway and subway tunnel, first track can stretch into in the contact passageway, the second track extends along subway tunnel's direction to form the delivery track. And as the excavation depth increases, the length of the first rail may be varied by splicing the connecting rails so as to avoid equipment disposed within the communication channel. When clearing up the dregs of soil, shovel the dregs of soil to fortune sediment fill in, then utilize hoist device to play handling sediment fill, after fortune sediment fill removes to the delivery track on, utilize the drive car to order about fortune sediment fill and move on the delivery track, fortune sediment fill is from arranging the top process of the equipment of contact passageway and subway tunnel handing-over department to transport the dregs of soil fill to in the subway tunnel, then unload can. So, at the scarfing cinder in-process, need not to move and rearrange excavation equipment to save a large amount of time, improved the efficiency of construction.
Preferably, the hoisting device comprises a guide rail hoisted on the contact passage and the vault of the subway tunnel, the structure of the guide rail is consistent with that of the conveying rail, the guide rail is positioned above the conveying rail, a moving seat is connected onto the guide rail in a sliding manner, a winch is installed on the moving seat, and the guide rail and the conveying rail are both provided with a through groove for a pull rope of the winch to pass through along the length direction.
Through adopting above-mentioned technical scheme, when the drive car drives fortune sediment fill and move on carrying the guide rail, remove the seat synchronous motion on the guide rail to utilize the hoist engine to lift behind the fortune sediment fill, need not to carry out the unhook operation, make the scarfing cinder in-process more convenient.
Preferably, the conveying track is connected with a connecting seat in a sliding mode, the connecting seat is fixedly connected with the driving vehicle, a through hole for a pull rope of the winch to penetrate through is formed in the connecting seat, and a connecting device used for being connected with the connecting seat is arranged on the slag conveying hopper.
Through adopting above-mentioned technical scheme, after the hoist engine plays handling sediment fill, the sediment fill links together through connecting device and connecting seat to make the in-process that the sediment fill that continues to transport removed on transfer rail keep steady, make on the one hand the sediment fill can not bump with the support frame that sets up in subway tunnel inside, on the other hand, make the sediment fill of fortune difficult unrestrained material at the removal in-process, thereby ensure site operation safety.
Preferably, connecting device is including fixing the fixed plate at fortune sediment fill opening part of feeding, the fixed plate is provided with the inserted bar, the direction and the fixed plate sliding connection of perpendicular to fixed plate are followed to the inserted bar, be provided with two sets of centre gripping subassemblies on the inserted bar, be provided with the drive assembly who orders about the inserted bar and move down on the connecting seat, when the inserted bar moves down, two sets of centre gripping subassemblies move towards opposite direction, be provided with the elastic component that makes the inserted bar reset on the fixed plate, when the elastic component does not receive external force, the interval between two sets of centre gripping subassemblies is greater than the width of connecting seat.
Through adopting above-mentioned technical scheme, after fortune sediment fill was hoisted by the hoist engine, drive assembly ordered about the inserted bar and moved down, and the inserted bar moves down and drives two sets of centre gripping subassemblies and move towards the direction that is close to each other, until centre gripping subassembly centre gripping on the connecting seat to the in-process that makes fortune sediment fill move on delivery track keeps steadily. When the unloading needs to be transferred and the sediment fill is transported to completion, drive assembly loosens the inserted bar, and the inserted bar resets under the effect of elastic component, and the clamping component loosens the connecting seat, and the sediment fill is transported to rethread winch transfer can.
Preferably, the centre gripping subassembly include with inserted bar articulated connecting strip, the one end that the inserted bar was kept away from to the connecting strip articulates there is the activity strip, activity strip and fixed plate sliding connection, the one end fixedly connected with centre gripping strip of connecting strip is kept away from to the activity strip, the connecting seat is seted up on with and is supplied centre gripping strip male slot, works as when the elastic component does not receive external force, activity strip level sets up.
Through adopting above-mentioned technical scheme, when the inserted bar moved down, the inserted bar was followed with inserted bar articulated one end to the connecting strip and moves down, and the connecting strip removes the relative fixed plate of direction that drives movable strip towards being close to the inserted bar and removes to drive two centre gripping strips and remove towards the direction that is close to each other, until the centre gripping strip inserts in the slot, thereby make fortune sediment fill stable the installing on the connecting seat.
Preferably, the driving assembly comprises a push rod arranged on the connecting seat and a driving piece driving the push rod to move along the vertical direction.
Through adopting above-mentioned technical scheme, order about the ejector pin through the driving piece and move down and can order about the inserted bar and move down to make two move towards opposite direction with the centre gripping strip, at this moment, the elastic component takes place to deform. When the driving piece drives the ejector rod to move upwards, the elastic piece rebounds to enable the inserted rod to reset, the two clamping strips move towards the direction deviating from each other, so that the inserted groove is withdrawn, and then the slag bucket is transferred through the winch.
Preferably, the elastic part comprises a fixed pipe fixed on the fixed plate, a spring is arranged in the fixed pipe, the inserted link is inserted in the fixed pipe in a sliding manner and is connected with the spring, and when the spring is free from external force, the upper end of the inserted link extends out of the fixed pipe.
Through adopting above-mentioned technical scheme, after the inserted bar moved down under the ejector pin effect, the spring was compressed, that ejector pin when loosening the inserted bar, the spring kick-backs and promotes the inserted bar and shift up for two centre gripping strips move towards opposite direction, thereby loosen the connecting seat automatically, so that transfer the sediment fill down.
Preferably, be provided with the direction subassembly on the tip track, the direction subassembly includes two vertical guided ways, and two guided ways symmetric distribution are in tip track both sides, fortune slag bucket a pair of relative lateral wall equal fixedly connected with guide block, the guide block is pegged graft with the guided way slip, the lateral wall of guided way is opened has the spread groove that supplies the guide block to pass through, works as the centre gripping strip is pegged graft in the slot after, the spread groove is located the removal orbit of guide block horizontal plane.
Through adopting above-mentioned technical scheme, the guide block cooperation guided way plays the guide effect to fortune sediment fill for fortune sediment fill by the hoist engine hoist lifting back, the ejector pin can be aimed at to the inserted bar, so that follow-up fortune sediment fill dies on the connecting seat through the coupling assembling lock. Meanwhile, due to the connecting groove, the guide block can be separated from the guide rail, so that the slag conveying hopper can smoothly move on the conveying rail.
Drawings
FIG. 1 is a schematic view of the overall structure of a slag bucket lifted by a lifting frame in the application;
FIG. 2 is a schematic view of the structure of the connector housing of the present application;
FIG. 3 is a schematic view of the overall structure of the slag conveying bucket lifted by the lifting frame in the application;
FIG. 4 is a schematic view of the construction of the connection device of the present application;
fig. 5 is a schematic view of the internal structure of the fixed pipe in the present application.
Description of reference numerals:
1. a slag conveying hopper; 2. a conveying track; 21. a first track; 211. an end rail; 212. connecting the rails; 22. a second track; 23. an arc-shaped track; 3. a boom; 4. driving the vehicle; 5. a connecting seat; 6. a guide rail; 7. a movable seat; 8. a winch; 9. a through groove; 10. a through hole; 11. an electronic valve; 12. a fixing plate; 13. inserting a rod; 14. an elastic member; 141. a fixed tube; 142. a spring; 15. a clamping assembly; 151. a connecting strip; 152. a movable bar; 153. a clamping bar; 16. a movable groove; 17. a chute; 18. a slot; 19. a drive assembly; 191. a top rod; 192. an electric cylinder; 20. a guide assembly; 201. a cross beam; 202. a guide rail; 203. a guide block; 204. and connecting the grooves.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a construction method of an interconnection channel for carrying out slag tapping by adopting a hanging bracket. The method comprises the following steps:
s1, a support frame is built inside the subway tunnel, the support frame is arranged on two sides of the tunnel face of the contact passage, and an opening for the plate trailer to pass through in the subway tunnel needs to be reserved on the support frame, so that the engineering construction of the subway tunnel cannot be influenced. And after the support frame is constructed, removing the concrete pipe piece on the tunnel face of the communication channel.
And S2, driving the advanced guide pipe into the soil layer around the tunnel face of the communication channel according to the construction drawing, and then pouring concrete slurry into the advanced guide pipe by using a grouting machine.
And S3, after the concrete slurry is solidified, excavating a connection channel by using an excavator, and excavating the connection channel by sections.
And S4, after the excavation of a section of communication channel is finished, constructing hangers in the subway tunnel and the excavated communication channel.
The hanger comprises a conveying device for conveying the slag bucket 1 and a hoisting device for hoisting the slag bucket 1.
Referring to fig. 1, conveyor includes that delivery track 2 is used for hoisting a plurality of jibs 3 of delivery track 2, and a plurality of jibs 3 are along the length direction interval distribution of delivery track 2, and in the vault soil layer of contact passageway was squeezed into to 3 upper ends of part jibs, in the vault soil layer of subway tunnel was squeezed into to the upper end of part jib 3 to make the stable hoist and mount of delivery track 2 between contact passageway and subway tunnel.
Referring to fig. 1, the conveying track 2 includes a first track 21, a second track 22 and an arc track 23 connected between the first track 21 and the second track 22, wherein the arc track 23 is locked with the first track 21 and the second track 22 by bolts and nuts. Wherein first track 21 includes an end track 211 and a multi-linked connecting track 212, connecting track 212 being removably connected between end track 211 and arcuate track 23. The connecting rails 212 are connected with the end rails 211 and the arc rails 23 through bolts and nuts in a locking manner, and two adjacent sections of the connecting rails 212 are connected through bolts and nuts in a locking manner. Along with the deepening of the excavation depth, the length of the first rail 21 can be changed by splicing the connecting rail 212, so that the slag conveying hopper 1 is convenient to convey.
Referring to fig. 1, a driving vehicle 4 and a connecting seat 5 are slidably connected to a conveying track 2, the driving vehicle 4 is fixedly connected to the connecting seat 5, the driving vehicle 4 is an existing self-powered track vehicle, and details are not expanded here to avoid encumbrance.
Referring to fig. 1 and 2, the lifting device comprises a guide rail 6 and a moving seat 7 slidably disposed on the guide rail 6, and a winch 8 is mounted on the moving seat 7. The structure of the guide rail 6 is consistent with that of the conveying track 2, the guide rail 6 is locked on the suspension rod 3 through bolts and nuts, and the guide rail 6 is positioned above the conveying track 2 and is parallel to the conveying track 2. The guide rail 6 and the conveying track 2 are both provided with a through groove 9 for a pull rope of the winch 8 to pass through along the length direction of the guide rail and the conveying track, and the connecting seat 5 is provided with a through hole 10 for the pull rope to pass through. In order to move the moving base 7 and the connecting base 5 synchronously, a driving vehicle 4 for driving the moving base 7 to move is also arranged on the guide rail 6.
When arranging the hanging bracket, it is required to ensure that the arc-shaped track 23 is positioned at the joint of the communication channel and the subway tunnel, the first track 21 extends along the excavation direction of the communication channel, and the second track 22 extends along the length direction of the subway tunnel. So, can make the fortune sediment fill with dregs of soil 1 from arranging in the contact passageway and the top process of the equipment of entrance to a cave department, then remove to not operation region and unload to need not frequently to move and rearrange equipment, save a large amount of time, thereby improve the efficiency of construction of contact passageway.
And S5, loading the soil slag into the slag conveying hopper 1, and conveying the slag conveying hopper 1 by using the hanging bracket. Specifically, the method comprises the following steps:
referring to fig. 1, an electronic valve 11 is arranged at the bottom of the slag conveying hopper 1. Meanwhile, in order to eliminate the shaking generated in the moving process of the slag conveying hopper 1 on the conveying track 2, a connecting device used for being connected with the connecting seat 5 is arranged on the slag conveying hopper 1.
Referring to fig. 1 and 4, the connecting device comprises a fixing plate 12 fixed at a loading opening of the slag conveying hopper 1, an inserting rod 13 is arranged at the center of the fixing plate 12, the inserting rod 13 is perpendicular to the fixing plate 12, the inserting rod 13 penetrates through the fixing plate 12 and is in sliding connection with the fixing plate 12, and an elastic piece 14 for limiting and blocking the inserting rod 13 to move downwards is arranged on the fixing plate 12. The elastic member 14 includes a fixing tube 141 fixed on the lower surface of the fixing plate 12, one end of the fixing tube 141 away from the fixing plate 12 is closed, a spring 142 is disposed in the fixing tube 141, and the insertion rod 13 is movably inserted into the fixing tube 141. When the spring 142 is not applied with an external force, the upper end of the plunger 13 is higher than the upper surface of the fixed plate 12.
Referring to fig. 4 and 5, two sets of clamping assemblies 15 are disposed on the insertion rod 13, and the two sets of clamping assemblies 15 are uniformly distributed on the insertion rod 13. The clamping assembly 15 comprises a connecting bar 151 hinged with the inserted link 13, a movable groove 16 for the connecting bar 151 to move is formed on the fixed plate 12, and the movable groove 16 penetrates through the fixed plate 12. One end of the connecting strip 151, which is far away from the inserted link 13, is hinged with a movable strip 152, the fixed plate 12 is recessed with a sliding groove 17 along the length direction, the sliding groove 17 is communicated with the movable groove 16, and the movable strip 152 is inserted in the sliding groove 17 in a sliding manner. The perpendicular fixedly connected with centre gripping strip 153 of one end that connecting strip 151 was kept away from to activity strip 152, centre gripping strip 153 are the setting of L type, and the one end that two centre gripping strips 153 kept away from activity strip 152 sets up relatively. When the elastic element 14 is free from external force, the connecting strip 151 and the movable strip 152 are both horizontally disposed, the distance between the ends of the two clamping strips 153 far away from the movable strip 152 is greater than the width of the connecting seat 5, and the side wall of the connecting seat 5 is provided with the slot 18 for the clamping strip 153 to be inserted into.
Referring to fig. 2 and 3, the connecting base 5 is provided with a driving assembly 19 for driving the insertion rod 13 to move down. The driving assembly 19 comprises a push rod 191 arranged on the connecting seat 5 and a driving member for driving the push rod 191 in the vertical direction, the driving member is an electric cylinder 192, a cylinder body of the electric cylinder 192 is installed on the lower surface of the connecting seat 5, and a piston rod of the electric cylinder 192 passes through the through groove 9 and is fixedly connected with the push rod 191. In order to lift the slag conveying bucket 1 by the winch 8, the top rod 191 is in line with the axis of the inserted rod 13, and a guide assembly 20 is arranged on the end rail 211.
Referring to fig. 1 and 2, the guide assembly 20 includes a cross member 201 fixed to a lower surface of an end rail 211, the cross member 201 being horizontally disposed, and the cross member 201 and the end rail 211. The equal fixedly connected with guided way 202 in both ends of crossbeam 201, the one end that crossbeam 201 was kept away from to guided way 202 extends towards the direction of deviating from the vault of contact passageway, and the interval between guided way 202 and the ground is greater than fortune sediment fill 1's height, and the interval between two guided ways 202 matches with fortune sediment fill 1's width, fortune sediment fill 1 relative a pair of equal fixedly connected with guide block 203 of lateral wall, guide block 203 and guided way 202 sliding connection. The side wall of the guide rail 202 is provided with a connecting groove 204 for the guide rail 202 to pass through, and after the holding bar 153 is inserted into the slot 18, the connecting groove 204 is on a moving track in the horizontal direction with the guide block 203.
When the slag bucket 1 is hoisted, the pull rope is tied with the slag bucket 1, then the slag bucket 1 is hoisted, the position of the slag bucket 1 is adjusted in the hoisting process, so that the guide block 203 smoothly slides into the space between the two guide rails 202, then hoisting is continued, after the slag bucket 1 moves upwards to a preset hoisting height, the electric cylinder 192 drives the ejector rod 191 to move downwards to press the inserting rod 13, the inserting rod 13 moves downwards to drive the connecting strip 151 and the movable strip 152 to move, and therefore the two clamping strips 153 move towards opposite directions until the clamping strips 153 are inserted into the inserting grooves 18. Then the drive car 4 orders about the connecting seat 5 and removes thereby drive fortune sediment fill 1 steady removal on delivery track 2 to the circumstances such as sediment fill 1 spills the material or with fortune sediment fill 1 and support frame emergence collision can not appear, be favorable to guaranteeing construction safety. When the slag transporting hopper 1 moves to the tail end of the second track 22, the electronic valve 11 is opened to unload the soil slag on the transport vehicle.
And S6, after slag removal is completed, installing an arch wall steel frame and a steel bar net sheet in the communication channel, and then spraying primary concrete to reinforce the soil layer.
And S7, repeating S3, S5 and S6 until the construction of the communication channel is completed. Meanwhile, the connecting rail 212 can be continuously connected according to the construction condition so as to hoist the slag conveying hopper 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an adopt connection passageway construction method of gallows outward transport slagging tap which characterized in that: the method comprises the following steps:
s1, building a support frame in the subway tunnel, and then removing a concrete segment on the tunnel face of the communication channel;
s2, driving the advanced guide pipe into a soil layer around the tunnel face of the communication channel according to a construction drawing, and then pouring concrete slurry into the advanced guide pipe;
s3, excavating a communication channel;
s4, constructing hangers in the subway tunnel and the excavated contact channel;
s5, loading the soil slag into the slag conveying hopper (1), and conveying the slag conveying hopper (1) by using a hanging bracket;
s6, after slag removal is completed, installing an arch wall steel frame and a steel bar net sheet in the communication channel, and then spraying primary concrete to reinforce a soil layer;
s7, repeating S3, S5 and S6 until the construction of the communication channel is completed;
the lifting frame comprises a conveying device for conveying the slag bucket (1) and a lifting device for lifting the slag bucket (1), wherein the conveying device comprises a conveying track (2) lifted at the arch top of the communication channel and the subway tunnel and a driving vehicle (4) arranged on the conveying track (2); the conveying track (2) comprises a first track (21), a second track (22) and an arc track (23) connected between the first track (21) and the second track (22), wherein the first track (21) and the second track (22) are perpendicular to each other; the first track (21) comprises an end track (211) and a plurality of sections of connecting tracks (212), wherein the connecting tracks (212) are detachably connected between the end track (211) and the arc-shaped track (23).
2. The method for constructing a communication channel by using the hanging bracket to transport slag out of the tower as claimed in claim 1, wherein the method comprises the following steps: the hoisting device comprises a guide rail (6) hoisted at the vault of the contact passage and the subway tunnel, the structure of the guide rail (6) is consistent with that of the conveying rail (2), the guide rail (6) is positioned above the conveying rail (2), a moving seat (7) is connected onto the guide rail (6) in a sliding manner, a winch (8) is installed on the moving seat (7), and the guide rail (6) and the conveying rail (2) are provided with a through groove (9) for the stay cord of the winch (8) to pass through along the length direction.
3. The method for constructing a communication channel by using the hanging bracket to transport slag out of the tower as claimed in claim 1, wherein the method comprises the following steps: the conveying device is characterized in that a connecting seat (5) is connected to the conveying track (2) in a sliding mode, the connecting seat (5) is fixedly connected with the driving vehicle (4), a through hole (10) for a pull rope of the winch (8) to penetrate through is formed in the connecting seat (5), and a connecting device used for being connected with the connecting seat (5) is arranged on the slag conveying hopper (1).
4. The method for constructing a communication channel by using the hanging bracket to transport slag out of the tower as claimed in claim 3, wherein the method comprises the following steps: connecting device is including fixing fixed plate (12) at fortune sediment fill (1) opening part of feeding, fixed plate (12) are provided with inserted bar (13), inserted bar (13) along the direction and fixed plate (12) sliding connection of perpendicular to fixed plate (12), be provided with two sets of centre gripping subassemblies (15) on inserted bar (13), be provided with on connecting seat (5) and order about drive assembly (19) that inserted bar (13) moved down, when inserted bar (13) moved down, two sets of centre gripping subassemblies (15) move towards direction in opposite directions, be provided with on fixed plate (12) and make elastic component (14) that inserted bar (13) reset, when elastic component (14) do not receive external force, the interval between two sets of centre gripping subassemblies (15) is greater than the width of connecting seat (5).
5. The method for constructing a communication channel by using the hanging bracket to transport slag out of the tower as claimed in claim 4, wherein the method comprises the following steps: centre gripping subassembly (15) include with inserted bar (13) articulated connecting strip (151), the one end that inserted bar (13) were kept away from in connecting strip (151) articulates there is activity strip (152), activity strip (152) and fixed plate (12) sliding connection, the one end fixedly connected with centre gripping strip (153) of connecting strip (151) are kept away from in activity strip (152), it has confession centre gripping strip (153) male slot (18) to open on connecting seat (5), works as when elastic component (14) do not receive external force, activity strip (152) level sets up.
6. The method for constructing a communication channel by using the hanging bracket to transport slag out of the tower as claimed in claim 4, wherein the method comprises the following steps: the driving assembly (19) comprises a push rod (191) arranged on the connecting seat (5) and a driving piece driving the push rod (191) to move along the vertical direction.
7. The method for constructing a communication channel by using the hanging bracket to transport slag out of the tower as claimed in claim 4, wherein the method comprises the following steps: the elastic piece (14) comprises a fixed pipe (141) fixed on the fixed plate (12), a spring (142) is arranged in the fixed pipe (141), the inserted link (13) is inserted in the fixed pipe (141) in a sliding mode and connected with the spring (142), and when the spring (142) is free of external force, the upper end of the inserted link (13) extends out of the fixed pipe (141).
8. The method for constructing a communication channel by using the hanging bracket to transport slag out of the tower as claimed in claim 5, wherein the method comprises the following steps: be provided with direction subassembly (20) on tip track (211), direction subassembly (20) include two vertical guided ways (202), and two guided ways (202) symmetric distribution are in tip track (211) both sides, fortune slag hopper (1) relative a pair of lateral wall equal fixedly connected with guide block (203), guide block (203) and guided way (202) slip grafting, the lateral wall of guided way (202) is opened has spread groove (204) that supply guide block (203) to pass through, works as back in slot (18) is pegged graft in centre gripping strip (153), spread groove (204) are located the removal orbit of guide block (203) horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210509875.9A CN114876492A (en) | 2022-05-11 | 2022-05-11 | Contact channel construction method for carrying out slag tapping by using hanging bracket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210509875.9A CN114876492A (en) | 2022-05-11 | 2022-05-11 | Contact channel construction method for carrying out slag tapping by using hanging bracket |
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| CN114876492A true CN114876492A (en) | 2022-08-09 |
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| CN202210509875.9A Pending CN114876492A (en) | 2022-05-11 | 2022-05-11 | Contact channel construction method for carrying out slag tapping by using hanging bracket |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535849A (en) * | 2022-10-27 | 2022-12-30 | 山东恒安泰重型机械有限公司 | Electric single-beam crane for annular track |
| CN116291540A (en) * | 2023-04-17 | 2023-06-23 | 中铁隧道集团一处有限公司 | Rapid slag discharging equipment for tunnel excavation and slag discharging method thereof |
-
2022
- 2022-05-11 CN CN202210509875.9A patent/CN114876492A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535849A (en) * | 2022-10-27 | 2022-12-30 | 山东恒安泰重型机械有限公司 | Electric single-beam crane for annular track |
| CN115535849B (en) * | 2022-10-27 | 2023-09-26 | 山东恒安泰重型机械有限公司 | Electric single-beam crane for circular track |
| CN116291540A (en) * | 2023-04-17 | 2023-06-23 | 中铁隧道集团一处有限公司 | Rapid slag discharging equipment for tunnel excavation and slag discharging method thereof |
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