CN213331097U - Continuous tunneling muck conveying system for underground excavation cable tunnel construction - Google Patents
Continuous tunneling muck conveying system for underground excavation cable tunnel construction Download PDFInfo
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- CN213331097U CN213331097U CN202022247490.9U CN202022247490U CN213331097U CN 213331097 U CN213331097 U CN 213331097U CN 202022247490 U CN202022247490 U CN 202022247490U CN 213331097 U CN213331097 U CN 213331097U
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Abstract
The utility model discloses a continuous excavation muck conveying system for construction of an underground excavation cable tunnel, wherein a feeding end of a horizontal flood dragon conveyor is connected with an excavation system, the feeding end receives muck excavated by the excavation system, and the horizontal flood dragon conveyor pushes the muck to a discharging end for discharging; sectional type band conveyer is multistage band conveyer, and the feed end setting of the first band conveyer among the multistage band conveyer is in the below of the unloading end of horizontal flood dragon conveyer, and the discharge end setting of last band conveyer is in the top of soil bin, and perpendicular flood dragon conveyer sets up in the shaft perpendicularly, and the feed bin setting of bottom is in the soil bin of shaft bottom, and the top is stretched out the shaft and is equipped with out the feed bin, the utility model discloses, through horizontal flood dragon conveyer, sectional type band conveyer and perpendicular flood dragon conveyer transport away the dregs, can adapt to the requirement of construction space in the tunnel of various sizes, improve space utilization, improved exploitation speed, improved dregs conveying capacity, avoid the dregs in the tunnel to pile up.
Description
Technical Field
The utility model relates to a dregs conveying equipment technical field, concretely relates to continuous tunnelling dregs conveying system of secretly digging cable tunnel construction.
Background
With the development of economy and social progress, urban rail transit develops more and more rapidly, muck treatment and transportation in shield-method tunnel construction are important factors influencing the tunneling speed, in shield-method subway tunnel construction, a shield continuously tunnels forwards, excavated muck enters a soil compaction bin, soil in the soil compaction bin is removed at the rear side of the soil compaction bin at the same speed through a spiral soil discharger device, and then the muck is loaded into a muck truck through a conveying belt. The dregs car lifts by crane through large-scale hoisting equipment in the shaft, pours into the dregs with the dregs and stacks the pond, then by large-scale loading automobile transportation, but, along with growing up tunnel construction more and more, has proposed higher requirement to tunnel construction technique to accelerate the speed of tunnel construction, traditional intermittent type formula transport mode of slagging tap (rail transport and trackless transport) because of the characteristics of self transport mode, it is very difficult further to shorten the time of slagging tap in order to raise the efficiency.
Therefore, the Chinese utility model patent CN207420580U discloses an urban subway tunnel mining muck conveying system, which adopts a telescopic belt conveyor and a C-shaped high-inclination angle belt conveyor to transport muck, the telescopic belt conveyor continuously extends through a self belt storage device along with the continuous advancing of a shield in tunnel mining, the requirement that the positions of a blanking point and a discharging point are continuously changed along with the continuous change of the length of the telescopic belt conveyor in the tunneling process of a tunnel is met, a belt storage bin of the telescopic belt conveyor is arranged below a frame body of the C-shaped high-inclination angle belt conveyor, and the C-shaped high-inclination angle belt conveyor realizes the continuous conveying of muck from the inside of the tunnel to the discharging point of the earth surface; however, the following problems still exist in the prior use process:
(1) for a tunnel with a small diameter, for example, a tunnel with a diameter of 1m to 3m, only a small muck truck can be used due to the limitation of the diameter of the tunnel, the small muck truck has a small amount of muck transported each time, the transportation speed is slow, and muck accumulation can even be generated in the tunnel.
In view of this, it is urgently needed to improve the structure of the existing muck conveying equipment so as to meet the requirements of construction spaces in tunnels of various sizes, improve the space utilization rate, improve the muck conveying capacity and avoid the accumulation of muck in the tunnels.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that present tunnel to minor diameter, for example the diameter is in 1m to 3 m's tunnel, owing to receive the restriction of tunnel diameter, still can only use miniature dregs car, and the dregs volume of miniature dregs car transportation at every turn is very little, and the transport speed is slow, can lead to producing the accumulational problem of dregs in the tunnel even.
In order to solve the technical problem, the utility model provides a technical scheme who adopts provides a continuous tunnelling dregs conveying system of undercut cable tunnel construction, include:
the front end of the horizontal flood dragon conveyor is provided with a feeding end connected with the tunneling system, the bottom of the rear end of the horizontal flood dragon conveyor is provided with a discharging end, the feeding end receives the residue soil excavated by the tunneling system and drives the horizontal flood dragon conveyor to push the residue soil to the discharging end to be discharged;
the sectional type belt conveyor is a multi-stage belt conveyor, the feeding end of the first-stage belt conveyor in the multi-stage belt conveyor is arranged below the discharging end of the horizontal auger conveyor, the discharging end of the last-stage belt conveyor in the multi-stage belt conveyor is arranged above the soil bin, and the muck is conveyed into the soil bin;
perpendicular flood dragon conveyer sets up in the shaft perpendicularly, and the feeding storehouse of bottom sets up in the soil storehouse of shaft bottom, and the top stretches out the shaft is equipped with out the feed bin, will dregs in the soil storehouse are transported outside the shaft.
In the scheme, the belt conveyors are hinged end to end, and the discharge end of the belt conveyor at the previous stage is arranged above the feed end of the belt conveyor at the next stage.
In the above scheme, the bottom of horizontal flood dragon conveyor is equipped with the crawler travel mechanism that is used for advancing, be equipped with on the crawler travel mechanism and be used for controlling when advancing the directional control system that horizontal flood dragon conveyor turned to.
In the above scheme, the bottom of perpendicular flood dragon conveyer is equipped with the feeding storehouse, and the top stretches out the shaft is equipped with out the feed bin, the feeding storehouse is located the below of final stage band conveyer's discharge end is used for receiving the dregs of sectional type band conveyer transportation.
In the above scheme, horizontal flood dragon conveyer and perpendicular flood dragon conveyer all adopt shaftless helical structure, be in including pipeline and setting driving motor on the pipeline, pipeline inside is equipped with the shaftless helical blade who is used for the direction.
In the scheme, a wellhead belt conveyor is arranged at an outlet of the vertical shaft, a feeding end of the wellhead belt conveyor is positioned below the discharging bin, and a discharging end of the vertical shaft belt conveyor is positioned above the muck truck.
In the scheme, the tunneling system is a rotary milling cutter disc, and the rotary milling cutter disc is in transmission connection with the directional control system through a hydraulic oil cylinder.
In the scheme, the middle part of the rotary milling cutter head is provided with a geological detection module.
In the above scheme, the rotary milling cutter disc is further provided with a group of soil separating devices.
Compared with the prior art, the utility model discloses, through horizontal flood dragon conveyer, sectional type band conveyer and perpendicular flood dragon conveyer with the dregs export, can be adapted to the requirement of construction space in the tunnel of various sizes, improve space utilization, improved exploitation speed, improved dregs conveying capacity, avoid the dregs in the tunnel to pile up.
Drawings
FIG. 1 is a schematic view of a continuous excavation muck conveying system of the present invention;
fig. 2 is a schematic structural view of the transit milling cutter head of the present invention.
Detailed Description
The utility model provides a continuous tunnelling dregs conveying system of undercut cable tunnel construction to the requirement of construction space in the tunnel of adaptation various sizes improves space utilization, has improved dregs conveying capacity, avoids the dregs in the tunnel to pile up. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1, the utility model provides a continuous excavation dregs conveying system of undercut cable tunnel construction includes: a tunneling system 1, a soil bin 8, a horizontal flood dragon conveyor 2, a vertical flood dragon conveyor 7 and a plurality of belt conveyors,
the front end of the horizontal flood dragon conveyor 2 is provided with a feeding end connected with the tunneling system 1, the bottom of the rear end of the horizontal flood dragon conveyor 2 is provided with a discharging end 21, the feeding end receives the residue soil excavated by the tunneling system 1, and the horizontal flood dragon conveyor 2 is driven to push the residue soil to the discharging end 21 to be discharged;
the sectional type belt conveyor 5 is a multi-stage belt conveyor, a feeding end of a first-stage belt conveyor in the multi-stage belt conveyor is arranged below a discharging end 21 of the horizontal flood dragon conveyor 2, a discharging end of a last-stage belt conveyor in the multi-stage belt conveyor is arranged above the soil bin 8, and the muck is conveyed into the soil bin 8;
perpendicular flood dragon conveyer 7 sets up perpendicularly in shaft 9, and the feeding storehouse 72 of bottom sets up in the soil storehouse 8 of shaft 9 bottom, and the top stretches out shaft 9 and is equipped with out feed bin 71, transports the dregs in the soil storehouse 8 outside shaft 9.
Sectional type band conveyer 5 is multistage band conveyer, and each level band conveyer is end to end articulated, and preceding one-level band conveyer's discharge end sets up in the top of one-level band conveyer's feed end behind, and multistage band conveyer's first level band conveyer's feed end sets up in the below of horizontal flood dragon conveyer 2's discharge end 21, and the discharge end setting of the last level band conveyer among the multistage band conveyer is in the top of soil storehouse 8.
The specific placing mode is as follows:
the feeding end of the first-stage belt conveyor is arranged below the discharging end 21 of the horizontal flood dragon conveyor 2 and is positioned at one third of the rear part of the horizontal flood dragon conveyor 2, the discharging end of the first-stage belt conveyor is arranged above the feeding end of the second-stage belt conveyor, the discharging end of the second-stage belt conveyor is arranged above the feeding end of the third-stage belt conveyor, the discharging end of the third-stage belt conveyor is arranged at the feeding end of the fourth-stage belt conveyor, the analogy is carried out in sequence, the discharging end of the last-stage belt conveyor is arranged above the soil bin 8 and keeps the position still, the first-stage belt conveyor and the tail end of the next-stage belt conveyor are overlapped by one third, the horizontal flood dragon conveyor 2 advances along with the heading machine, the discharging end of the horizontal flood dragon conveyor 2 slowly moves to the front end of the first-stage belt conveyor, and then the first-stage belt conveyor is manually pushed to advance for a distance, and guarantee to hand over with the last level band conveyer, transport the dregs, every section is tunneled, along with the tunnelling, the band conveyer is removed to the manual work, reduces and overlaps the proportion to guarantee the transportation of dregs, when a band conveyer can be placed to mobilizable distance, add a new band conveyer, guarantee that dregs can be transported in the soil storehouse. According to actual needs, the number of the belt conveyors is increased manually so as to transport the muck to the soil bin 8 step by step, realize continuous tunneling and improve the working efficiency.
The bottom of horizontal flood dragon conveyor 2 is equipped with the crawler travel mechanism 3 that is used for moving ahead, and crawler travel mechanism 3 is 0 ~ 45 degree setting with horizontal flood dragon conveyor 2's contained angle, makes horizontal flood dragon conveyor 2's rear end slope, keeps certain height with first order band conveyer, the 21 ejection of compact of unloading end of being convenient for. The crawler traveling mechanism 3 is provided with a directional control system 22 for controlling the horizontal flood dragon conveyor 2 to steer during forward movement, the directional control system 22 is divided into left forward and right forward and steering control, and the two motors are respectively used for driving the crawler traveling mechanism 3 to realize the control in the left and right directions through variable frequency speed regulation.
Before the equipment is ready to excavate, the blanking end 21 of the horizontal flood dragon conveyor 2 is located above the discharging end of the first-stage belt conveyor, and the blanking end 21 of the horizontal flood dragon conveyor 2 moves forwards along the length of the first belt conveyor along with advancing of tunneling until the blanking end 21 of the horizontal flood dragon conveyor 2 moves to the position above the feeding end of the first-stage belt conveyor, so that one-section tunneling is completed.
Each belt conveyor is transported into the tunnel by a crane at the mouth of the shaft 9 and manually pushed to a designated position.
Horizontal flood dragon conveyer 2 and perpendicular flood dragon conveyer 7 all adopt shaftless helical structure, including pipeline and the driving motor of setting on pipeline, pipeline inside is equipped with the shaftless helical blade who is used for the direction, owing to adopted shaftless design, utilizes the whole steel spiral propelling movement dregs that has certain flexibility, therefore anti winding nature is strong, shaftless interference has special superiority to the transport banding, easily twine the material.
Perpendicular flood dragon conveyer 7 sets up perpendicularly in shaft 9, the bottom of shaft 9 is equipped with soil bin 8, soil bin 8 is arranged in to the bottom of perpendicular flood dragon conveyer 7, be equipped with the feeding storehouse 72 that is used for receiving dregs, the top stretches out shaft 9 and is equipped with out feed bin 71, feeding storehouse 72 is located the below of last stage band conveyer's discharge end, dregs drop from last stage band conveyer's the end of unloading, in the pipeline that gets into perpendicular flood dragon conveyer 7 through feeding storehouse 72, be the power of the perpendicular transportation process of dregs: under driving motor's drive, perpendicular flood dragon conveyer 7 is rotatory, and the dregs produces the friction example with pipeline's inner wall, plays the effect of direction to the dregs through shaftless helical blade, realizes the transport of the perpendicular 90 degrees of dregs, realizes promoting the dregs to the play feed bin 71 of perpendicular flood dragon conveyer 7 from soil storehouse 8 in, transports outside the shaft 9.
The shaft 9 mouth is equipped with well head band conveyer 6, and the feed end of well head band conveyer 6 is located the below of perpendicular flood dragon conveyer 7's play feed bin 71, and the discharge end of shaft 9 band conveyer is located the top of dregs delivery wagon, and the dregs that will promote from in the soil storehouse 8 are carried the dregs delivery wagon through well head band conveyer 6 on, transport appointed place.
As shown in fig. 2, the tunneling system 1 is a rotary milling cutter head, and is connected with the directional control system 22 through a hydraulic cylinder 4 to provide an upper forward initial power, so that a slope-shaped tunneling propulsion is formed on a working surface.
Preferably, the rotary milling cutter head consists of an upper tunneling cutter 11, two groups of left and right tunneling cutters 12 and two lower tunneling cutters 13, the upper tunneling cutter head is driven to rotate by a motor through a speed reducer, and the rotary milling soft rock is tunneled; the crawler traveling mechanism 3 is propelled through a crawler power motor, a right tunneling cutter of a rotary milling cutter head extends out during tunneling, a left tunneling cutter retracts, each group is dragged by a motor through a speed reducer to form two rotary milling tunneling cutter heads, a lower tunneling cutter 13 is driven by a motor to drive a turbine/worm speed reducer to respectively drive two lower tunneling cutters 13 with opposite rotating directions, the lower tunneling cutter 13 conveys residue soil to a feeding end of a horizontal auger conveyor 2 while excavating, the residue soil is pushed to a discharging end 21 of the horizontal auger conveyor 2 through a rotating shaftless spiral to be discharged, the residue soil falls onto a first-level belt conveyor, the residue soil is conveyed through a multi-level belt conveyor sequentially, and finally the residue soil enters a soil bin 8 through a last-level belt conveyor.
Preferably, the middle part of the rotary milling cutter head is provided with a geological detection module 15, so that the front soil quality can be detected in real time before and during tunneling, the safety risk is reduced, and the working efficiency is improved.
Preferably, the rotary milling cutter disc is further provided with a group of soil dividers 14, and steel wedge-shaped devices are adopted, so that the parts of the rotary milling cutter disc, which are milled on the working surface, can be removed, and the working quality is improved.
The working process of the utility model is as follows:
after a horse head door at a vertical shaft of a cable tunnel engineering is finished, according to a designed central line, a steering control device drives a rotary milling cutter head to tunnel according to information detected by a geological detection module, a lower tunneling cutter conveys dregs to a feeding end of a horizontal auger conveyor while tunneling, the dregs are pushed to a discharging end of the horizontal auger conveyor through a rotary shaftless spiral and are discharged, the dregs fall onto a first-stage belt conveyor and are sequentially transported through a multi-stage belt conveyor, the dregs enter a soil bin through a last-stage belt conveyor finally, a layer of working surface is excavated, a track walking mechanism automatically feeds forwards, the number of the belt conveyor is manually increased so as to ensure that the dregs are transported into the soil bin step by step, the dregs enter a conveying pipeline of a vertical auger conveyor through a feeding bin after entering the soil bin, the vertical auger conveyor is driven to rotate through a motor, and the dregs generate friction with the inner wall of the conveying pipeline, play the effect of direction through shaftless helical blade to the dregs, realize that the dregs is less than 90 degrees vertical transport, realize promoting the dregs to the play feed bin of perpendicular dragon flood conveyor in the soil storehouse, transport outside the shaft.
Compared with the prior art, the utility model discloses, through horizontal flood dragon conveyer, sectional type band conveyer and perpendicular flood dragon conveyer with the dregs transport out, can be adapted to the requirement of construction space in the tunnel of various sizes, improve space utilization, improved exploitation speed, realize continuity of operation, improved dregs conveying capacity, avoid the dregs in the tunnel to pile up.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.
Claims (9)
1. The utility model provides a continuous tunnelling dregs conveying system of undercut cable tunnel construction which characterized in that includes:
the front end of the horizontal flood dragon conveyor is provided with a feeding end connected with the tunneling system, the bottom of the rear end of the horizontal flood dragon conveyor is provided with a discharging end, the feeding end receives the residue soil excavated by the tunneling system and drives the horizontal flood dragon conveyor to push the residue soil to the discharging end to be discharged;
the sectional type belt conveyor is a multi-stage belt conveyor, the feeding end of the first-stage belt conveyor in the multi-stage belt conveyor is arranged below the discharging end of the horizontal auger conveyor, the discharging end of the last-stage belt conveyor in the multi-stage belt conveyor is arranged above the soil bin at the bottom of the vertical shaft, and the muck is conveyed into the soil bin;
perpendicular flood dragon conveyer sets up in the shaft perpendicularly, and the feeding storehouse of bottom sets up in the soil storehouse of shaft bottom, and the top stretches out the shaft is equipped with out the feed bin, will dregs in the soil storehouse are transported outside the shaft.
2. The continuous tunneling slag soil conveying system for the construction of an underground excavated cable tunnel according to claim 1, wherein the belt conveyors of the respective stages are hinged end to end, and a discharge end of the belt conveyor of a previous stage is disposed above a feed end of the belt conveyor of a next stage.
3. The continuous tunneling slag soil conveying system for the construction of the underground excavation cable tunnel according to claim 1, wherein a crawler traveling mechanism for advancing is arranged at the bottom of the horizontal flood conveyor, and a directional control system for controlling the horizontal flood conveyor to steer when advancing is arranged on the crawler traveling mechanism.
4. The continuous tunneling slag soil conveying system for the construction of an underground excavated cable tunnel according to claim 1, wherein the feeding hopper is located below a discharge end of the last-stage belt conveyor for receiving the slag soil transported by the segmented belt conveyor.
5. The continuous tunneling slag soil conveying system for the construction of the underground excavated cable tunnel according to claim 1, wherein the horizontal flood dragon conveyor and the vertical flood dragon conveyor both adopt shaftless spiral structures and comprise conveying pipelines and driving motors arranged on the conveying pipelines, and shaftless spiral blades for guiding are arranged inside the conveying pipelines.
6. The continuous excavation muck conveying system for the construction of the underground excavated cable tunnel according to claim 4, wherein a wellhead belt conveyor is arranged at an outlet of the shaft, a feeding end of the wellhead belt conveyor is positioned below the discharging bin, and a discharging end of the wellhead belt conveyor is positioned above the muck truck.
7. The continuous excavation muck conveying system for the construction of the underground excavated cable tunnel according to claim 3, wherein the excavation system is a rotary milling cutter head, and the rotary milling cutter head is in transmission connection with the directional control system through a hydraulic oil cylinder.
8. The continuous excavation muck conveying system for the construction of the underground excavated cable tunnel according to claim 7, wherein a geological detection module is arranged in the middle of the rotary milling cutter head.
9. The system of claim 7, wherein the rotary milling cutter head is further provided with a group of soil dividers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247490.9U CN213331097U (en) | 2020-10-10 | 2020-10-10 | Continuous tunneling muck conveying system for underground excavation cable tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247490.9U CN213331097U (en) | 2020-10-10 | 2020-10-10 | Continuous tunneling muck conveying system for underground excavation cable tunnel construction |
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| Publication Number | Publication Date |
|---|---|
| CN213331097U true CN213331097U (en) | 2021-06-01 |
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| CN202022247490.9U Active CN213331097U (en) | 2020-10-10 | 2020-10-10 | Continuous tunneling muck conveying system for underground excavation cable tunnel construction |
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| CN (1) | CN213331097U (en) |
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