CN208380576U - Shield machine two-stage screw conveyer - Google Patents
Shield machine two-stage screw conveyer Download PDFInfo
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- CN208380576U CN208380576U CN201820086244.XU CN201820086244U CN208380576U CN 208380576 U CN208380576 U CN 208380576U CN 201820086244 U CN201820086244 U CN 201820086244U CN 208380576 U CN208380576 U CN 208380576U
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- conveyer
- screw conveyor
- deuterostrophies
- shield machine
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Abstract
The utility model relates to a kind of shield machine two-stage screw conveyers, including level-one screw conveyor, deuterostrophies conveyer, level-one screw conveyor is inclined in shield machine, deuterostrophies conveyer is horizontally placed on above belt conveyer, level-one screw conveyor is hinged by spherical surface with deuterostrophies conveyer, and the length of deuterostrophies conveyer is more than or equal to the length of level-one screw conveyor；Level-one screw conveyor and the cooperation rotation of deuterostrophies conveyer, the revolving speed of deuterostrophies conveyer is slightly faster than the revolving speed of level-one screw conveyor, level-one driver and two-stage actuator respectively drive level-one helical axis and deuterostrophies axis, the length of screw conveyor can be effectively lengthened in the limited space of shield machine, two-stage screw conveyer respectively drives, on aqueous more stratum, water is because pressure effect is gushed out along screw conveyor, due to the length of screw conveyor, flow velocity has been reduced to sufficiently low when water flowing is exported to screw conveyor, it can avoid spewing phenomenon, shield machine is set to adapt to complicated stratum.
Description
Technical field
The utility model relates to a kind of EPB shield tunneling equipment more particularly to a kind of screw conveyer of shield machine.
Background technique
Screw conveyor is one of main component of shield machine, and effect is the dregs fortune for cutting cutter head of shield machine
On the defeated belt feeder to shield machine, tunnel is then transported.
Shield machine will keep a degree of sealing in work progress, with pushing ahead for shield machine, shield machine front
Pressure constantly increases, and the outside casting pressure of screw conveyor is reduced.By the fltting speed and screw conveyor that control shield machine
Casting speed make up to balance to control the pressure in front of shield machine.The spiral shell when encountering underground water content biggish stratum
The bottleneck of shield machine complete machine sealing performance will be become by revolving conveyer, be easy to produce the accident of gushing, extremely dangerous.
It is general using the method for reinforcing screw conveyor gate sealing performance in order to cope with such case, or lengthen spiral shell
Revolve conveyer.Increase sealing performance can only when generation is gushed closed shutter, then do subsequent processing；Although and lengthening helical feed
Machine can effectively prevent from gushing, but the numerous mechanical equipments of arrangement in shield machine, and space is extremely limited, and screw conveyor is inclination
It is assemblied in shield machine, front is low, rear is high, so the ability very little that screw conveyor can lengthen.
Summary of the invention
In order to overcome the disadvantages mentioned above of screw conveyer of shield machine in the prior art, the length of screw conveyor is effectively lengthened
Degree, avoids the generation of spewing phenomenon, the utility model provides a kind of shield machine two-stage screw conveyer, including level-one spiral transferring
Machine, deuterostrophies conveyer are sent, level-one screw conveyor is inclined in shield machine, and deuterostrophies conveyer is horizontally placed on
Above belt conveyer, it is hinged that level-one screw conveyor and deuterostrophies conveyer pass through spherical surface, the length of deuterostrophies conveyer
Degree is more than or equal to the length of level-one screw conveyor；Level-one screw conveyor and the cooperation rotation of deuterostrophies conveyer, second level spiral shell
The revolving speed of rotation conveyer is slightly faster than the revolving speed of level-one screw conveyor, in which: level-one screw conveyor includes slag inlet, level-one spiral shell
Spin axis, a grade blade, level-one sleeve, level-one driver are equipped with pressure sensor, deuterostrophies conveyer packet on level-one sleeve
Deuterostrophies axis, two grade blades, two-level sleeve, two-stage actuator, slag notch, gate of slagging tap are included, level-one driver and second level are driven
Dynamic device respectively drives level-one helical axis and deuterostrophies axis, and the tail portion of level-one screw conveyor installs the first gate, deuterostrophies additional
Conveying drive end unit slag tap gate include the second gate, third gate.
Preferably, the setting angle between the axis and horizontal plane of level-one screw conveyor is 22 degree；
Preferably, the length of deuterostrophies conveyer is equal to the length of level-one screw conveyor；
Preferably, level-one driver includes hydraulic motor, planet-gear speed reducer, gear driving pair, gear drive subband
Dynamic level-one helical axis rotation；
Preferably, the structure of two-stage actuator is identical as level-one driver；
It preferably, further include controller, the revolving speed of hydraulic motor is adjustable；The pressure of shield machine is checked by pressure sensor
Power, and by the force information back to controller, controller adjusts the revolving speed of hydraulic motor according to pressure information, and then adjusts spiral shell
The speed of slagging tap for revolving conveyer, controls the pressure of shield machine.
On the other hand, the utility model additionally provides a kind of method for preventing from gushing using two-stage screw conveyer, including
Following steps:
(1) 22 degree are set by the setting angle of level-one screw conveyor and horizontal plane, deuterostrophies conveyer water
It is flat to be arranged above belt feeder, level-one screw conveyor is hinged by spherical surface with deuterostrophies conveyer；
(2) dynamic sealing is carried out to spherical surface hinged place；
(3) level-one driver and two-stage actuator is respectively started, drives level-one screw conveyor and deuterostrophies conveyer:
(4) revolving speed for adjusting two-stage actuator hydraulic motor makes its revolving speed be slightly above turning for level-one driver hydraulic motor
Speed；
(5) level-one screw conveyor front end slag inlet protrudes into dregs, passes through level-one rotary shaft and a grade blade
Rotation, dregs is involved in the gap between level-one sleeve and a grade blade, is transported by level-one screw conveyor
To the height where deuterostrophies conveyer and enter deuterostrophies conveyer, by deuterostrophies conveyer horizontal transport to belt
On machine；
(6) on the biggish stratum of water content, water flow velocity after two-stage screw conveyer is reduced；
(7) it adjusts screw conveyor to slag tap speed, controls the pressure of shield machine.
The shield machine two-stage screw conveyer of the utility model gets up level-one, the docking of deuterostrophies conveyer, it is intermediate with
The connection of spherical surface articulated form, spherical surface hingedly makes two-stage screw conveyer link together, and can be revolved within a certain angle
Turn, while guaranteeing the sealing performance of screw conveyor；Level-one screw conveyor keeps original inclined direction, does not change original knot
Configuration formula, deuterostrophies conveyer design horizontally, are placed in above belt feeder, are interfered at this without other equipment,
The length of screw conveyor can be effectively lengthened, two-stage screw conveyer axis is not parallel, can increase helical feed captain
The confined space in shield machine is reasonably utilized while spending；When the length of deuterostrophies conveyer is equal to level-one screw conveyor
Length when, the total length of two-stage screw conveyer can reach twice of original length, and voltage endurance capability promotes 1.5 times or so, can
The pressure in front of shield machine is efficiently controlled, on aqueous more stratum, water is gushed out because pressure is acted on along screw conveyor, by
In the length of screw conveyor, flow velocity is had been reduced to sufficiently low when water flowing to screw conveyor exports, and can avoid spray
It emerges in large numbers as occurring, so that shield machine is adapted to complicated stratum, the length of deuterostrophies conveyer is greater than the length of level-one screw conveyor
When spending, it can preferably inhibit spewing phenomenon；Due to two-stage screw conveyer rotating shaft center not point-blank, spiral
The rotary shaft of conveyer can not be directly connected to, thus, there are two drivers for two-stage screw conveyer setting of the invention, drive respectively
Dynamic level-one helical axis and deuterostrophies axis, and the revolving speed of deuterostrophies conveyer is slightly faster than primary conveyor, it is ensured that dregs is not
It is blocked in screw conveyor sleeve；Level-one screw conveyor tail portion install additional the first gate, can rear portion convenient for safeguarding two
Twice gate is arranged to fully ensure that sealing performance in grade screw conveyor, deuterostrophies conveyer.
Detailed description of the invention
Fig. 1 is the shield machine two-stage screw conveyor construction schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of Fig. 1；
Fig. 3 is the shield machine two-stage screw conveyer spherical surface articulated structure schematic diagram of the utility model；
It is as shown in the figure: 1, level-one screw conveyor, 2, deuterostrophies conveyer, 3, spherical surface it is hinged, 4, slag inlet, 5, one
Grade helical axis, 6, one grade blade, 7, level-one sleeve, 8, level-one driver, 9, pressure sensor, 10, deuterostrophies axis, 11, two
Grade blade, 12, two-level sleeve, 13, two-stage actuator, 14, slag notch, the 15, first gate, the 16, second gate, 17, third lock
Door.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
As shown in Figure 1-3, the utility model provides a kind of shield machine two-stage screw conveyer, including level-one helical feed
Machine 1, deuterostrophies conveyer 2, level-one screw conveyor 1 are inclined in shield machine, and deuterostrophies conveyer 2 is horizontally disposed
Above belt conveyer (not shown), level-one screw conveyor 1 and deuterostrophies conveyer 2 are hinged by spherical surface 3, and two
The length of grade screw conveyor 2 is more than or equal to the length of level-one screw conveyor 1；Level-one screw conveyor 1 and deuterostrophies are defeated
The cooperation rotation of machine 2 is sent, the revolving speed of deuterostrophies conveyer 2 is slightly faster than the revolving speed of level-one screw conveyor 1, in which: level-one spiral
Conveyer 1 includes slag inlet 4, level-one helical axis 5, a grade blade 6, level-one sleeve 7, level-one driver 8, on level-one sleeve 7
Equipped with pressure sensor 9, deuterostrophies conveyer 2 includes deuterostrophies axis 10, two grade blades 11, two-level sleeve 12, second level drive
Dynamic device 13, slag notch 14, gate of slagging tap, level-one driver 8 and two-stage actuator 13 respectively drive level-one helical axis 5 and second level spiral shell
Spin axis 10, the tail portion of level-one screw conveyor 1 install the first gate 15 additional, and 2 tail portion of deuterostrophies conveyer gate of slagging tap includes the
Two gates 16, third gate 17.
Preferably, the setting angle between the axis and horizontal plane of level-one screw conveyor 1 is 22 degree；
Preferably, the length of deuterostrophies conveyer 2 is equal to the length of level-one screw conveyor 1；
Preferably, level-one driver 8 includes hydraulic motor, planet-gear speed reducer, gear driving pair, gear drive subband
Dynamic level-one helical axis rotation；
Preferably, the structure of two-stage actuator 13 is identical as level-one driver 8；
It preferably, further include controller, the revolving speed of hydraulic motor is adjustable；Shield machine is checked by pressure sensor 9
Pressure, and by the force information back to controller, controller adjusts the revolving speed of hydraulic motor according to pressure information, and then adjusts
The speed of slagging tap of screw conveyor, controls the pressure of shield machine.
On the other hand, the utility model additionally provides a kind of method for preventing from gushing using two-stage screw conveyer, including
Following steps:
(1) 22 degree are set by the setting angle of level-one screw conveyor 1 and horizontal plane, deuterostrophies conveyer
2 are horizontally set on above belt feeder, and level-one screw conveyor 1 is cut with scissors with deuterostrophies conveyer 2 by spherical surface 3
It connects；
(2) dynamic sealing is carried out to 3 hinged place of spherical surface；
(3) level-one driver 8 and two-stage actuator 13 is respectively started, drives level-one screw conveyor 1 and deuterostrophies defeated
Send machine 2:
(4) revolving speed for adjusting two-stage actuator hydraulic motor makes its revolving speed be slightly above turning for level-one driver hydraulic motor
Speed；
(5) 1 front end slag inlet 4 of level-one screw conveyor protrudes into dregs, passes through level-one rotary shaft 5 and a grade blade 6
Rotation, dregs is involved in the gap between level-one sleeve 7 and a grade blade 6, transports second level by level-one screw conveyor 1
The height at 2 place of screw conveyor simultaneously enters deuterostrophies conveyer 2, by 2 horizontal transport of deuterostrophies conveyer to belt feeder
On；
(6) on the biggish stratum of water content, water flow velocity after two-stage screw conveyer is reduced；
(7) it adjusts screw conveyor to slag tap speed, controls the pressure of shield machine.
The shield machine two-stage screw conveyer of the utility model gets up level-one, the docking of deuterostrophies conveyer, it is intermediate with
The connection of spherical surface articulated form, spherical surface hingedly makes two-stage screw conveyer link together, and can be revolved within a certain angle
Turn, while guaranteeing the sealing performance of screw conveyor；Level-one screw conveyor keeps original inclined direction, does not change original knot
Configuration formula, deuterostrophies conveyer design horizontally, are placed in above belt feeder, are interfered at this without other equipment,
The length of screw conveyor can be effectively lengthened, overlength two-stage is constituted and is segmented screw conveyor；Two-stage screw conveyer axis is simultaneously
It is not parallel, the confined space in shield machine can be reasonably utilized while increasing screw conveyor length；When deuterostrophies are defeated
When the length of machine being sent to be equal to the length of level-one screw conveyor, the total length of two-stage screw conveyer can reach the two of original length
Times, voltage endurance capability promoted 1.5 times or so, the pressure in front of shield machine can be efficiently controlled, on aqueous more stratum, water because
Pressure effect is gushed out along screw conveyor, and due to the length of screw conveyor, water flowing to screw conveyor flows when exporting
Speed has been reduced to sufficiently low, can avoid spewing phenomenon, and shield machine is made to adapt to complicated stratum, deuterostrophies conveyer
When length is greater than the length of level-one screw conveyor, it can preferably inhibit spewing phenomenon；Due to the rotation of two-stage screw conveyer
Not point-blank, the rotary shaft of screw conveyor can not be directly connected to axis center, thus, two-stage screw of the invention is defeated
It send machine setting there are two driver, respectively drives level-one helical axis and deuterostrophies axis, and the revolving speed of deuterostrophies conveyer omits
It is faster than primary conveyor, it is ensured that dregs does not block in screw conveyor sleeve；It is installed additional in the tail portion of level-one screw conveyor
First gate, can rear portion convenient for safeguarding deuterostrophies conveyer, deuterostrophies conveyer be arranged twice gate to fully ensure that
Sealing performance.
The above, the only preferred embodiment of the utility model cannot be construed to limit the model of the utility model with this
It encloses, the embodiment party for the equivalent deformation and change made in the claimed range of all claims in the utility model
Formula is in the utility model range claimed.
Claims (6)
1. a kind of shield machine two-stage screw conveyer, including level-one screw conveyor, deuterostrophies conveyer, level-one helical feed
Machine is inclined in shield machine, and deuterostrophies conveyer is horizontally placed on above belt conveyer, level-one screw conveyor with
Deuterostrophies conveyer is hinged by spherical surface, and the length of deuterostrophies conveyer is more than or equal to the length of level-one screw conveyor；
Level-one screw conveyor and the cooperation rotation of deuterostrophies conveyer, the revolving speed of deuterostrophies conveyer are slightly faster than level-one helical feed
The revolving speed of machine, in which: level-one screw conveyor includes slag inlet, level-one helical axis, a grade blade, level-one sleeve, level-one driving
Device, on level-one sleeve be equipped with pressure sensor, deuterostrophies conveyer include deuterostrophies axis, two grade blades, two-level sleeve,
Two-stage actuator, slag notch, gate of slagging tap, level-one driver and two-stage actuator respectively drive level-one helical axis and deuterostrophies
Axis, the tail portion of level-one screw conveyor install the first gate additional, and deuterostrophies conveying drive end unit gate of slagging tap includes the second gate, the
Three gates.
2. shield machine two-stage screw conveyer according to claim 1, it is characterised in that: the axis of level-one screw conveyor
Setting angle between horizontal plane is 22 degree.
3. shield machine two-stage screw conveyer according to claim 1 or 2, it is characterised in that: deuterostrophies conveyer
Length is equal to the length of level-one screw conveyor.
4. shield machine two-stage screw conveyer according to claim 1, it is characterised in that: level-one driver includes hydraulic horse
It reaches, planet-gear speed reducer, gear driving pair, gear driving pair drives the rotation of level-one helical axis.
5. shield machine two-stage screw conveyer according to claim 4, it is characterised in that: the structure of two-stage actuator and one
Grade driver is identical.
6. shield machine two-stage screw conveyer according to claim 1, it is characterised in that: it further include controller, hydraulic horse
The revolving speed reached is adjustable；The pressure of shield machine is checked by pressure sensor, and by the force information back to controller, control
Device adjusts the revolving speed of hydraulic motor according to pressure information, and then adjusts the speed of slagging tap of screw conveyor, controls the pressure of shield machine
Power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820086244.XU CN208380576U (en) | 2018-01-19 | 2018-01-19 | Shield machine two-stage screw conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820086244.XU CN208380576U (en) | 2018-01-19 | 2018-01-19 | Shield machine two-stage screw conveyer |
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| Publication Number | Publication Date |
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| CN208380576U true CN208380576U (en) | 2019-01-15 |
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ID=64979361
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| CN201820086244.XU Active CN208380576U (en) | 2018-01-19 | 2018-01-19 | Shield machine two-stage screw conveyer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049887A (en) * | 2018-01-19 | 2018-05-18 | 辽宁三三工业有限公司 | Shield machine two-stage screw conveyer |
-
2018
- 2018-01-19 CN CN201820086244.XU patent/CN208380576U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108049887A (en) * | 2018-01-19 | 2018-05-18 | 辽宁三三工业有限公司 | Shield machine two-stage screw conveyer |
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