CN105065007B - A kind of shield machine muddy water circulation and rubble system - Google Patents
A kind of shield machine muddy water circulation and rubble system Download PDFInfo
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- CN105065007B CN105065007B CN201510422644.4A CN201510422644A CN105065007B CN 105065007 B CN105065007 B CN 105065007B CN 201510422644 A CN201510422644 A CN 201510422644A CN 105065007 B CN105065007 B CN 105065007B
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Abstract
The present invention provides a kind of shield machine muddy water circulation and rubble system, including pulp-inlet pipe, air cushion cabin, discharge nozzle, mud channel disintegrating machine, slurry pump and the discharge pipe being sequentially connected in series by pipeline；The discharge nozzle is used to the mud in air cushion cabin and sandstone being delivered in the mud channel disintegrating machine, and the mud channel disintegrating machine crushes the stone come from air cushion cabin；And the mud channel disintegrating machine is the closing jaw crusher for the slurry fluid for reaching more than 0.5MPa comprising salable pressure inside sealing gasket, frame and dynamic jaw component and its.Disintegrating machine is bigger than the breaking capacity of the hydraulic jaw stone crusher in shield machine air cushion cabin in system provided by the invention, and service life length, reliability is high, solves existing shield machine and the problems such as stagnant row, plugging in rich water sandy gravel be present.And on trailer, reduction personnel reduce the use cost and construction risk of shield machine with cabin maintenance frequency is pressed into, and improve the geological adaptability and drivage efficiency of shield machine.
Description
Technical field
The invention belongs to road heading machinery technical field, and in particular to a kind of shield machine muddy water circulation and mud channel rubble system
System.
Background technology
Shield machine includes the excavation cabin containing cutterhead, air cushion cabin and trailer successively from front end to the rear end of driving position, its
The main purpose in middle air cushion cabin is to be used to balance and stablize excavation face.At present, shield machine uses muddy water in rich water sand-pebble layer
During balance mode carries out tunnel excavation, it is required for by muddy water circulation system muck removal and safeguards the stabilization of excavation face；This
When shield machine muck removal mode be：Quarrel soil, cobble after knife cutting are formed with the mud injected outside tunnel after excavating cabin and mixing
Fluid enters air cushion cabin from mud door, is carried out by hydraulic jaw stone crusher in air cushion cabin after just breaking, via in muddy water circulation system
Slurry pump high pressure be drawn into grout outlet discharge tunnel outside.In the process, because shield machine is using pipeline fluid conveying
Muck removal mode, its muck removal speed depend primarily on the deslagging ability of slurry pump in muddy water circulation system.When shield machine is in China west
When high content, high rigidity, the big particle diameter cobble water rich strata in the area such as south, northwest, North China carry out constructing tunnel, due to air cushion cabin
Interior hydraulic jaw stone crusher rubble speed per minute only has four times or so, and is often damaged under bad working environments environment, nothing
Big flow in air cushion cabin, big particle diameter cobble are quickly crushed in the range of the conveying of slurry pump by method, easily shield machine occur
The failures such as the cobble alluvial of air cushion cabin, the damage of muddy water circulation system pulp pipeline blockage, slurry pump, cause shield machine to be shut down for a long time
Repaired, greatly limit it and tunnel the performance of ability.
Therefore, this area needs to develop a kind of new shield machine muddy water circulation and rubble system to overcome in above-mentioned air cushion cabin
Hydraulic jaw stone crusher breaking capacity it is too low the problem of.
The content of the invention
It is contemplated that overcoming prior art defect, propose that one kind meets that shield machine excavates tunnel in rich water sand-pebble layer
The muck removal requirement in road, it is adapted to the shield machine muddy water circulation that is worked in high-pressure slurry sealed environment, breaking capacity is strong, easy to maintenance
With mud channel rubble system.
Therefore, the present invention provides a kind of shield machine muddy water circulation and rubble system, including is entered by what pipeline was sequentially connected in series
Starch pipe, air cushion cabin, discharge nozzle, mud channel disintegrating machine, slurry pump and discharge pipe；The discharge nozzle is used for the mud in air cushion cabin
Slurry and sandstone are delivered in the mud channel disintegrating machine, and the mud channel disintegrating machine breaks the stone come from air cushion cabin
Broken, the material after crushing is drained into outside system with mud through slurry pump and discharge pipe；And the mud channel disintegrating machine is comprising close
Packing, frame and dynamic jaw component and its internal salable pressure reach the closing jaw crushing of more than 0.5MPa slurry fluid
Machine.
Influenceed in view of the breaking capacity of the hydraulic jaw stone crusher in air cushion cabin by air cushion cabin, thus the present invention
Inventor, which attempts to develop, a kind of is arranged on air cushion out of my cabin and disintegrating machine that breaking capacity is enough is used for the shield machine muddy water of the present invention
In circulation and rubble system.
Inventor considers that domestic existing mine crushes compound pendulum type jaw crusher, the pulley type used in field and crushed
The crushing mechanisms such as machine, cone crusher can only work under atmospheric pressure, under open type environment, and it cannot be used in shield machine
Pressure is up in 1MPa or so high-pressure slurry sealed environment, can not meet the severe applying working condition in shield machine.
Therefore, inventor researches and develops a kind of jaw crusher of new sealing and incited somebody to action on the basis of this jaw crusher
It is applied to the downstream in air cushion cabin and obtains a kind of shield machine muddy water circulation that can be solved the above problems and rubble system.
In a kind of specific embodiment, hydraulic jaw stone crusher is also contained in the air cushion cabin.
Hydraulic jaw stone crusher will necessarily be set in traditional shield machine muddy water circulation and rubble system in its air cushion cabin, and
In the present invention, the hydraulic jaw stone crusher can also be removed, this is right with the hydraulic jaw stone crusher set in retained gas dunnage
Shield machine muddy water circulation provided by the invention and the calculifragous efficiency of rubble system do not have too big influence.Because the liquid in air cushion cabin
Pressure jaw breaker is driven by hydraulic jack, only 4~6 times per minute of its broken extruding frequency to sandstone in mud, it is difficult to
Improve.And the mud channel disintegrating machine being related in the present invention is driven by motor, the rotational frequency of eccentric shaft for per minute 100~
500 times, such as 220 times/min, correspondingly, the hunting frequency of moving jaw plate is 100~500 times per minute, therefore, in the present invention
Mud channel disintegrating machine is more much higher than the breaking capacity of the hydraulic jaw stone crusher in existing air cushion cabin.
In a kind of specific embodiment, the ducts upstream of the mud channel disintegrating machine and downstream are provided with damping
Larynx.The setting of damping larynx can caused vibration weakening, reduction be connected in the course of the work by mud channel disintegrating machine
The vibration frequency of pipeline.
Also contain in a kind of specific embodiment, in the system and be used for from pulp-inlet pipe into mud channel disintegrating machine
The disintegrating machine for directly inputting mud enters to starch branch pipe.
In a kind of specific embodiment, the mud channel disintegrating machine for its internal salable pressure reach 1MPa with
On slurry fluid closing jaw crusher.
In a kind of specific embodiment, the dynamic jaw component includes being arranged on eccentric shaft in frame, positioned at frame
Moving jaw plate that is interior and being connected to dynamic Hubei Province on the eccentric shaft and be connected on dynamic Hubei Province.
In a kind of specific embodiment, the mud channel disintegrating machine includes the machine for being collectively forming interior sealed space
Frame, dynamic jaw component and sealing gasket, and the jaw of determining positioned at machine frame inside, and motor drive component and skin outside frame
Band；The motor drive component is used to drive the dynamic jaw component to determine jaw relatively to make physical pendulum compressional movement, to be clipped in both it
Between stone carry out attrition crushing；The members of the dynamic jaw component are arranged on machine frame inside, and members are arranged on frame
Outside, it is dynamic to form rotary dynamic seal between jaw component and frame.
In a kind of specific embodiment, the mud channel disintegrating machine includes being fixedly installed on supporting after shield machine drag
Lower bearing bracket on car, the first upper spider being tightly connected with the lower bearing bracket by sealing gasket two, lead to first upper spider
Cross the second upper spider of the sealed connection of sealing gasket three and be arranged on lower bearing bracket side and pass through sealing gasket one with the lower bearing bracket
The maintenance door of sealed connection, the lower bearing bracket, the first upper spider, the second upper spider and maintenance door are collectively forming body inner chamber；Institute
State the dynamic jaw component of mud channel disintegrating machine and determine jaw and form calculus breaking mechanism；Opening can be to intracavitary in body after the maintenance door
The component in portion is repaired.
In addition, in the prior art because air cushion cabin is high-pressure closed vessel in itself, thus disintegrating machine therein is without close
The machine closed.When needing to overhaul disintegrating machine, the pressure environment in air cushion cabin can not discharge, thus maintainer need to first be applicable height
Pressure ring border enters back into air cushion cabin and disintegrating machine is overhauled；And it is to endanger very much that maintainer works under the hyperbaric environment of air cushion cabin
Danger, easily lead to security incident.And in the present invention, before the mud channel disintegrating machine in the present invention overhauls, first
Valve positioned at the mud channel disintegrating machine upstream is closed, then enters inside disintegrating machine and it can be carried out from the maintenance door
Maintenance.It is atmospheric pressure state inside disintegrating machine in maintenance process.Therefore, system provided by the invention and disintegrating machine solve
The problem of needing to overhaul disintegrating machine in into the air cushion cabin of high pressure in the prior art, thus the invention enables whole shield
Machine muddy water circulation and the maintenance step of rubble system are safe and reliable.
Skilled person will appreciate that, the setting height(from bottom) of second upper spider is high not less than the installation of the first upper spider
Degree, such as first upper spider are generally located at the upper left side of frame, and second upper spider is generally located at the upper right of frame
Side, and have a point height difference between the two.
In a kind of specific embodiment, the calculus breaking mechanism of body inner cavity also includes being arranged on lower bearing bracket
For protecting the liner plate of lower bearing bracket side wall.
In a kind of specific embodiment, the calculus breaking mechanism of body inner cavity also includes being used to adjust broken rear ovum
The particle diameter adjustment component and pretension component of the size of stone particle diameter.
In a kind of specific embodiment, infiow conduit interface is provided with first upper spider, on described second
It is provided with frame for the grid of filtration fraction sandstone and the peep hole for watching inner chamber situation, is set on the lower bearing bracket
There is pulp pipe interface.In the present invention, the stone being stuck on the grid can be fallen by being disclosed at peep hole with rod, with this
Mode can easily keep the unimpeded of grid.
In a kind of specific embodiment, it is described determine jaw with determine jaw turnbuckle be arranged on lower bearing bracket close to grout outlet
On the bearing of road interface side.
In a kind of specific embodiment, the mud channel disintegrating machine also includes being used to introduce high pressure mud to its inside
Slurry, accelerate the flowing velocity of broken pebble, promote its flushing line from the discharge of mud channel disintegrating machine rapidly；The flushing
Pipeline includes the small ball valve that surges, flush pipe and the small damping larynx of series connection.
The present invention also provides a kind of mud channel disintegrating machine being used in shield machine, it is characterised in that the mud channel
Disintegrating machine is closing jaw crusher, and the mud channel disintegrating machine includes being collectively forming the frame of interior sealed space, moved
Jaw component and sealing gasket, and the jaw of determining positioned at machine frame inside, and motor drive component and belt outside frame；It is described
Motor drive component and belt make physical pendulum compressional movement for driving the dynamic jaw component to determine jaw relatively, to being clipped between the two
Stone carry out attrition crushing；The dynamic jaw component includes being arranged on the eccentric shaft in frame and the moving jaw plate in frame,
It is dynamic to form rotary dynamic seal between jaw component and frame.
In a kind of specific embodiment, the mud channel disintegrating machine includes being fixedly installed on the supporting trailer of shield machine
On lower bearing bracket, be tightly connected with the lower bearing bracket by sealing gasket two the first upper spider, pass through with first upper spider
The second upper spider and be arranged on lower bearing bracket side and close by sealing gasket one with the lower bearing bracket that sealing gasket three is tightly connected
The maintenance door of connection is sealed, the lower bearing bracket, the first upper spider, the second upper spider and maintenance door are collectively forming body inner chamber；It is described
The dynamic jaw component of mud channel disintegrating machine forms calculus breaking mechanism with jaw is determined；Opening can be to body inner cavity after the maintenance door
Component repaired.
Preferably, the calculus breaking mechanism of body inner cavity also includes being arranged on lower bearing bracket and is used to protect lower bearing bracket side
The liner plate of wall.The calculus breaking mechanism of body inner cavity also includes the particle diameter adjustment for being used to adjust the size of broken rear cobble particle diameter
Component and pretension component.Infiow conduit interface is provided with first upper spider, is provided with second upper spider for filtering
The grid of part sandstone and the peep hole for watching inner chamber situation, pulp pipe interface is provided with the lower bearing bracket.It is described
Determine jaw and be arranged on lower bearing bracket on the bearing of pulp pipeline interface side with jaw turnbuckle is determined.In a kind of embodiment
In, the mud channel disintegrating machine also includes being used to introduce high-pressure slurry to its inside, accelerates the flowing velocity of broken pebble,
Promote its flushing line from the discharge of mud channel disintegrating machine rapidly；The flushing line includes the small ball valve that surges of series connection, punching
Wash pipe and small damping larynx.
In a kind of specific embodiment, the mating surface of the first upper spider and the second upper spider connection is and level
In the inclined plane of 10 °~60 ° angles between face so that the first upper spider is up-narrow and down-wide right-angled trapezium longitudinal section shape casing.Match somebody with somebody
Conjunction face is that inclined-plane allows dynamic jaw component to facilitate, be compactly located in frame, and then causes the crusher structure of the present invention
Compact, the space availability ratio in shield machine is high.
In a kind of specific embodiment, the lower bearing bracket is to include closed bottom, the side wall with perforate and upper plane
The casing of whole face opening.In a kind of specific embodiment, the mud channel disintegrating machine is connected to the air cushion in shield machine
Portion and for the broken stone in air cushion cabin out of my cabin.
The present invention also provides a kind of dynamic jaw component of mud channel disintegrating machine in shield machine, and the dynamic jaw component includes motor
Drive the eccentric shaft of rotation, be fixedly installed on the axially external outboard bearing for being used to be connected to dynamic jaw component in frame of eccentric shaft
With bearing block, it is fixedly installed on the inboard bearing of eccentric shaft axially inner side, the dynamic jaw being connected on the inboard bearing, is connected to
Moving jaw plate on the dynamic jaw, and including outboard bearing rotatory sealing ring, outboard bearing rotatory sealing, inboard bearing rotation
Sealing ring and inboard bearing rotatory sealing；The outboard bearing rotatory sealing is arranged on outboard bearing rotatory sealing ring radially
Inside, the two is respectively positioned on the axially inner side of outboard bearing, and the two collective effect is used for the high pressure inside mud channel disintegrating machine
Mud isolation prevents it from entering inside outboard bearing；The inboard bearing rotatory sealing is arranged on inboard bearing rotating seal ring
Part inner radial, the two is respectively positioned on the axially external of inboard bearing, and the two collective effect is used for inside mud channel disintegrating machine
High-pressure slurry isolation prevent it from into inside inboard bearing.
In a kind of specific embodiment, the outboard bearing rotatory sealing and inboard bearing rotatory sealing are fixation
The rubber seal ring being arranged on eccentric shaft.The outboard bearing rotatory sealing ring is included respectively positioned at two of axial both ends
Outboard bearing sealing ring and the outboard bearing spacer ring among axial direction, the inboard bearing rotatory sealing ring include position respectively
In two inboard bearing sealing rings at axial both ends and positioned at axially middle inboard bearing spacer ring.In a kind of specific embodiment party
In formula, the outboard bearing rotatory sealing ring is pressed on outboard bearing gland using outboard bearing sealing gland and O-ring,
Inboard bearing rotatory sealing ring is pressed on inboard bearing gland using inboard bearing sealing gland and O-ring.
In a kind of specific embodiment, the dynamic jaw component also includes the skin for being connected to eccentric shaft axial direction both ends
Belt wheel and flywheel, and expansion sleeve belt pulley and flywheel being connected on eccentric shaft；The belt pulley and flywheel are arranged at
Shelf External.In a kind of specific embodiment, the dynamic jaw component also include be arranged on the axially external of outboard bearing and
For the outside labyrinth seal ring for preventing the dirt slag of Shelf External from entering inside outboard bearing.In a kind of specific embodiment
In, the dynamic jaw component also includes being used for the moving jaw plate fixing bolt being fixed on moving jaw plate on dynamic jaw.A kind of specific real
Apply in mode, the dynamic jaw component also includes the axle end baffle plate for being arranged on eccentric shaft axial direction both ends.In a kind of specific embodiment party
In formula, the closing jaw crusher also includes frame and sealing gasket, and dynamic jaw component is collectively forming frame with frame and sealing gasket
Internal sealing space.
The breaking capacity of mud channel disintegrating machine provided by the invention is strong, maintenanceability is good, can be in shield machine muddy water circulation
Used in system in the sealed environment full of high-pressure slurry.
Beneficial effects of the present invention comprise at least：
1) the rubble ability of shield machine muddy water circulation system, is lifted；
2), improve muddy water circulation system performance, improve it and take quarrel conveying capacity；
3) geological adaptability and drivage efficiency of shield machine, are improved.
Brief description of the drawings
Fig. 1 is shield machine mud channel rubble system structure diagram,
Fig. 2 is schematic diagram of the shield machine mud channel rubble system in shield machine, namely shield machine of the present invention
Muddy water circulation and rubble system structure diagram,
Fig. 3 is the sectional view of mud channel disintegrating machine,
Fig. 4 is the front view of mud channel disintegrating machine,
Fig. 5 is that mud channel disintegrating machine hides the axonometric drawing after upper spider,
Fig. 6 is the axonometric drawing of the first upper spider,
Fig. 7 is the axonometric drawing of the second upper spider,
Fig. 8 is the axonometric drawing of lower bearing bracket,
Fig. 9 is the axonometric drawing of mud channel disintegrating machine,
Figure 10 is the axonometric drawing of jaw component,
Figure 11 is the sectional view of jaw component,
Figure 12 is Figure 11 magnified partial view,
Figure 13 is the fundamental diagram of mud channel disintegrating machine.
Symbol description：
The big damping larynx of 1- plasma discharges bend pipe one, 2-, 3- mud channels disintegrating machine, 4- plasma discharges bend pipe two, 5- surge greatly ball valve, 6-
Plasma discharge straight tube, 7- slurry pumps, 8- plasma discharges bend pipe three, 9- flush pipes, the small damping larynxs of 10-, the small ball valves that surge of 11-, 12- disintegrating machines enter
Slurry branch pipe, 22- cutterheads, 23- excavations cabin, 24- air cushions cabin, 25- hydraulic jaws stone crusher, 26- muddy water circulation system pulp-inlet pipes (enter
Slurry pipe), 27- muddy water circulation system grout outlets (discharge nozzle), supporting trailer, 29- mud channel rubbles system, 301- electricity after 28-
Machine drive component, 302- belts, 303- sealing gaskets one, the upper spiders of 304- first, 305- sealing gaskets two, 306- sealing gaskets three,
The upper spiders of 307- second, 308- determine jaw turnbuckle, 309- lower bearing brackets, 310- and determine jaw, 311- liner plates, 312- particle diameter adjustment groups
Part, 313- pretensions component, 314- rinse bend pipe, before and after 315- maintenance door, 320- move jaw component, 321- flywheels, 322- bearing blocks,
323- outboard bearing rotatory sealings ring, 324- move jaw, 325- moving jaw plates fixing bolt, 326- belt pulleys, 327- axle end baffle plates,
328- inboard bearing rotatory sealings ring, 329- moving jaw plates, 330- eccentric shafts, labyrinth seal ring on the outside of 331-, on the outside of 332-
Bearing, the rotatory sealing of 333- outboard bearings, the rotatory sealing of 334- inboard bearings, 335- inboard bearings, 336- expansion sleeves.Outside 337-
Side bearing sealing gland, 338- outboard bearings gland, 339- inboard bearings sealing gland, 340- inboard bearings gland, outside 323a-
Side bearing sealing ring, 323b- outboard bearings spacer ring, 328a- inboard bearings sealing ring, 328b- inboard bearing spacer rings.
Embodiment
With reference to the embodiment of the Figure of description summary present invention.
As shown in figure 1, muddy water circulation provided by the invention and rubble system include shield machine mud channel rubble system
29, the shield machine mud channel rubble system includes plasma discharge bend pipe 1, big damping larynx 2, mud channel disintegrating machine 3, plasma discharge bend pipe
24, big surge ball valve 5, plasma discharge straight tube 6, slurry pump 7, plasma discharge bend pipe 38, flush pipe 9, small damping larynx 10, the small ball valve that surges
11st, disintegrating machine enters to starch branch pipe 12.The operation principle of shield machine mud channel rubble system of the present invention is：Possesses sealing high pressure mud
Slurry, crush big particle diameter cobble function mud channel disintegrating machine 3 left end stock inlet successively with plasma discharge bend pipe 1, big damping larynx 2
Connection, right-hand member slag outlet are gone here and there with plasma discharge bend pipe 24, the big ball valve 5 that surges, plasma discharge straight tube 6, slurry pump 7, plasma discharge bend pipe 38 successively
Connection connection.The high-pressure slurry in shield machine muddy water circulation system, big particle diameter cobble are continuously sucked into mud channel by slurry pump 7
In disintegrating machine 3, in the process, mud channel disintegrating machine 3 is by the big quick continuous crushing of particle diameter cobble into can meet slurry pump 7
After the small particle cobble of deslagging ability, plasma discharge bend pipe 24, big surge ball valve 5, plasma discharge straight tube 6 are passed sequentially through, smoothly by slurry pump
7 discharge outside tunnel through plasma discharge bend pipe 38.Flush pipe 9, small damping larynx 10, the small ball valve 11 that surges, it is connected into mud channel disintegrating machine
3 flushing line, it can enter to starch introducing certain flow high-pressure slurry in branch pipe 12 from disintegrating machine and enter in mud channel disintegrating machine 3
Portion, its internal cobble, flowing velocity of high-pressure slurry is improved, avoids depositing.
As shown in Fig. 2 shield machine mud channel rubble system 29 of the present invention is arranged on the rear supporting trailer 28 of shield machine,
Connected by entering to starch bend pipe 1 belonging to it with shield machine muddy water circulation system grout outlet 27, its affiliated pulp-inlet pipe and shield machine mud
Water ring streaming system pulp-inlet pipe 26 is connected or separates one from shield machine muddy water circulation system pulp-inlet pipe 26, with shield machine mud ring
Streaming system is connected into an entirety, possesses the ability that can continuously enter slurry and muck removal.When shield machine is in rich water sand-pebble layer
During tunneling, big particle diameter cobble and the high-pressure slurry of the injection of muddy water circulation system pulp-inlet pipe 26 after the cutting of cutter head of shield machine 22
(flow direction of the inner high voltage mud of double-head arrow expression muddy water circulation system pulp-inlet pipe 26 in Fig. 2) is mixed into height in excavation cabin 23
Fast fluid, then by the draw inlet dunnage 24 of slurry pump 7 in mud channel rubble system 29, by the hydraulic pressure in air cushion cabin 24
Muddy water circulation system grout outlet (also referred to as discharge nozzle) 27 is directly entered after the primary crushing of jaw breaker 25 or not by primary crushing
In (single arrow represents the direction of motion of the big particle diameter cobble in discharge nozzle 27 in Fig. 2), then sequentially enter mud channel rubble
In plasma discharge bend pipe 1, big damping larynx 2, mud channel disintegrating machine 3 belonging to system 29；By the continuous of mud channel disintegrating machine 3
Quick crashing into after the small particle cobble for meeting the deslagging ability of slurry pump 7, pass sequentially through plasma discharge bend pipe 24, the big ball valve 5 that surges,
Plasma discharge straight tube 6, smoothly discharged by slurry pump 7 through plasma discharge bend pipe 38 outside tunnel.
As shown in Fig. 3~Fig. 9, heretofore described mud channel disintegrating machine 3 includes motor drive component 301, belt
302nd, sealing gasket 1, the first upper spider 304, sealing gasket 2 305, sealing gasket 3 306, the second upper spider 307, determine jaw tension
Bolt 308, lower bearing bracket 309, determine jaw 310, be liner plate 311, particle diameter adjustment component 312, pretension component 313, flush pipe 9, front and rear
Maintenance door 315, dynamic jaw component 320 etc..Pulp-inlet pipe road adpting flange, fluid are connected or are provided with first upper spider 304
Passage, grid, peep hole is connected or be provided with second upper spider 307, lattice are connected or be provided with the lower bearing bracket 309
Grid, cobble motion runner, pulp pipe interface.
The lower bearing bracket 309 is fixed on after shield machine on supporting trailer, and first upper spider 304 passes through bolt, sealing
Pad 2 305 is connected with lower bearing bracket 309；Second upper spider 307 is connected by bolt, sealing gasket 3 306 and the first upper spider 304
Connect；Front and rear maintenance door 315 is arranged on lower bearing bracket 309 by bolt, sealing gasket 1, constitutes mud channel disintegrating machine 3
Salable body part.
Inside mud channel disintegrating machine lower bearing bracket 309, being sequentially installed with by bolt can be closed full of high-pressure slurry
The dynamic jaw component 320 of pivoting action, particle diameter adjustment component 312, pretension component 313 in environment；Determine jaw 310 and drawn with jaw is determined
Tight bolt is arranged on the rear side bearing of lower bearing bracket 309, and liner plate 311 is arranged on lower bearing bracket to protect the side wall of lower bearing bracket.On
State the jaw breaker structure that part constitutes mud channel disintegrating machine 3.Motor driving after shield machine on supporting trailer
Component 301 can drive dynamic jaw component 320 continuously to be rotated with more than 200 turns of rotating speed after starting by belt 302, drive its relative
Determine jaw 310 and make physical pendulum compressional movement, attrition crushing is carried out to the big particle diameter cobble being clipped between the two.To meet that slurry pump can
The requirement of cobble particle size is exported, the size of broken rear cobble particle diameter can be adjusted by particle diameter adjustment component 312, pretension component 313.
The parts inside lower bearing bracket 309 can be repaired after opening maintenance door 315；Rinse bend pipe 314 (or flush pipe 9) and frame
Outside flushing line is connected, and introduces high-pressure slurry and the cobble of internal body is washed away, prevent its deposition.
From Figure 10~Figure 12, moving jaw component 320 includes flywheel 321, bearing block 322, outboard bearing rotating seal ring
Part 323, dynamic jaw 324, moving jaw plate fixing bolt 325, belt pulley 326, axle end baffle plate 327, inboard bearing rotatory sealing ring
328th, moving jaw plate 329, eccentric shaft 330, outside labyrinth seal ring 331, outboard bearing 332, outboard bearing rotatory sealing 333,
Inboard bearing rotatory sealing 334, inboard bearing 335 and expansion sleeve 336.
In the present invention, mud channel disintegrating machine includes frame static seal and dynamic jaw component rotary dynamic sealing structure, in frame
The sealing space that can be provided more than atmospheric pressure is provided.
From Figure 12, the outboard bearing rotatory sealing and inboard bearing rotatory sealing are to be fixedly installed on eccentric shaft
On wear-resisting ring structure.Two outboard bearings that each outboard bearing rotatory sealing ring is included respectively positioned at axial both ends seal
The ring 323a and outboard bearing spacer ring 323b among axial direction, each inboard bearing rotatory sealing ring includes is located at axle respectively
Two inboard bearing sealing ring 328a to the both ends and inboard bearing spacer ring 328b among axial direction.Each outboard bearing rotation
Turn sealing ring to be pressed on outboard bearing gland 338 using outboard bearing sealing gland 337 and O-ring, each inner shafts
Rotatory sealing ring is held to be pressed on inboard bearing gland 340 using inboard bearing sealing gland 339 and O-ring.
The structural principle of dynamic jaw component 320 is：In the axial direction of eccentric shaft 330, centered on dynamic jaw 324 from both ends into
Between be symmetrical arranged axle end baffle plate 327, expansion sleeve 336, flywheel 321 and belt pulley 326, outside labyrinth seal ring 331, outer successively
Side bearing 332 and bearing block 322, outboard bearing rotatory sealing ring 323 and outboard bearing rotatory sealing 333, inboard bearing rotation
Turn sealing ring 328 and inboard bearing rotatory sealing 334, inboard bearing 335 and dynamic jaw 324.Wherein, bearing block 322 passes through spiral shell
Whole dynamic jaw component 320 is fixed on lower bearing bracket 309 by bolt, makes the upper spider 304 of jaw component 320 and first, the second upper spider
307th, lower bearing bracket 309 forms a seal cavity and surrounds high-pressure slurry.Drive of the belt pulley 326 in motor drive component 301
Eccentric shaft 330 is transmitted the force to by expansion sleeve 336 under dynamic, drives the dynamic jaw 324 being connected with eccentric shaft 330 to do physical pendulum extruding fortune
It is dynamic.To avoid the high-pressure slurry that the inside of mud channel disintegrating machine 3 is full of from entering the inside of outboard bearing 332 and inboard bearing
Inside 335, with outboard bearing rotatory sealing ring 323 and outboard bearing rotatory sealing 333, inboard bearing rotatory sealing ring
328 are respectively isolated in high-pressure slurry with inboard bearing rotatory sealing 334 outside and the inboard bearing 335 of outboard bearing 332
Outside, thus the purpose of above-mentioned seal assembly is the inside for preventing high-pressure slurry from entering dynamic jaw component 320.It is interior in the present invention
Side bearing and outboard bearing are for the central point in relative shaft length direction, and wherein inboard bearing 335 is used to install dynamic jaw,
So that moving jaw plate is pivoted；And outboard bearing 332 is used to whole dynamic jaw component 320 being arranged on frame with being relatively fixed.
Under normal operation, high-pressure slurry is present in the body inner chamber outside the outside of inboard bearing 335 and outboard bearing 332.
As shown in figure 13, the operation principle of mud channel disintegrating machine 3 is：Into the big particle diameter ovum of mud channel disintegrating machine 3
Stone and high-pressure slurry, along the passage that enters to be cut of the first upper spider 304 with certain speed flow forward, the fast small particle cobble of flow velocity
Can be from first upper spider 304 in front, 307 vertical grid being combined into, being provided with multiple rectangular openings of the second upper spider by directly
Connect the muck removal passage discharge for falling into lower bearing bracket 309.The slow cobble of big particle diameter, flow velocity blocked by grid the precession jaw component 320 that drops,
Determine jaw 310, the crusher chamber that liner plate 311 forms, be continuously extruded after being broken into small particle cobble, then going out from lower bearing bracket 309
Discharged in quarrel passage.In the course of work of mud channel disintegrating machine 3, from enter to starch the high-pressure slurry that is introduced in branch pipe 12 can enter it is dynamic
The small particle cobble that the rear portion of jaw component 320 is washed away after crushing, prevents its deposition.
In addition, when shield machine tunnels in the stratum of cobble content superelevation, can be from the extra stock inlet of lower bearing bracket bottom
Or second upper spider access hole injection big flow high-pressure slurry, improve mud channel crusher in crushing intracavitary cobble flowing
Speed, it is set quickly to be discharged from mud channel disintegrating machine.
When the cobble deposited in mud channel disintegrating machine can not Self-discharged when, slurry pump can be reversely by high-pressure slurry under
The muck removal passage injection mud of frame, air cushion cabin is returned to by the cobble that crusher chamber, muck removal passage deposit along original pulp pipeline
Inside re-start crushing operation.
When shield machine is in the stratum of cobble content superelevation in tunneling process, when the cobble deposited in mud channel disintegrating machine
Can not Self-discharged, slurry pump can not carry out again backwash cleaning cobble when, can lower bearing bracket bottom increase a hydraulic jack
The deslagging door of driving, the cobble of deposition is discharged from shield machine trailer bottom.
And when the shield machine with mud channel disintegrating machine of the present invention is in rich water, the stratum that cobble content is low, particle diameter is small
During driving, the drive component in mud channel disintegrating machine, dynamic jaw component can be made to be stopped, mitigate machine utilization.And high pressure mud
Slurry, cobble can be discharged directly from the muck removal passage that enters on lower bearing bracket from mud channel disintegrating machine.
Beneficial effects of the present invention are：When shield machine is constructed in rich water sand-pebble layer, the embodiment of the present invention is utilized
Shield machine mud channel rubble system, enter with muddy water circulation system after pulp pipeline connects, can be by front of pulp pipeline slurry pump
The big particle diameter cobble retained quick crashing in mud channel disintegrating machine is discharged outside tunnel into small particle cobble, solves existing shield
The problem of stagnant row in muddy water cabin, pulp pipeline plugging in rich water sandy gravel be present in machine.Moreover, mud channel disintegrating machine ratio is in shield
The breaking capacity of hydraulic jaw stone crusher in machine air cushion cabin is big, and service life length, reliability is high, and is arranged on No.1 trailer
On, reduction personnel reduce the use cost and construction risk of shield machine with cabin maintenance frequency is pressed into, and improve the geology of shield machine
Adaptability and drivage efficiency.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
1. a kind of shield machine muddy water circulation and rubble system, including be sequentially connected in series by pipeline pulp-inlet pipe (26), air cushion cabin
(24), discharge nozzle (27), mud channel disintegrating machine (3), slurry pump and discharge pipe；The discharge nozzle is used for the mud in air cushion cabin
Slurry and sandstone are delivered in the mud channel disintegrating machine, and the mud channel disintegrating machine breaks the stone come from air cushion cabin
Broken, the material after crushing is drained into outside system with mud through slurry pump and discharge pipe；And the mud channel disintegrating machine is comprising close
Packing, frame and dynamic jaw component (320) and its internal salable pressure reach the closing jaw of more than 0.5MPa slurry fluid
Disintegrating machine；The mud channel disintegrating machine includes being collectively forming the frame of interior sealed space, dynamic jaw component and sealing gasket, and position
Determine jaw (310), and motor drive component (301) and belt (302) outside frame in machine frame inside；The motor
Drive component makees physical pendulum compressional movement for driving the dynamic jaw component to determine jaw relatively, and the stone being clipped between the two is carried out
Attrition crushing；The members of the dynamic jaw component are arranged on machine frame inside, and members are arranged on Shelf External, move jaw component
Rotary dynamic seal is formed between frame.
2. system according to claim 1, it is characterised in that also contain hydraulic jaw stone crusher (25) in the air cushion cabin.
3. system according to claim 1, it is characterised in that set in the ducts upstream of the mud channel disintegrating machine and downstream
Damping larynx is equipped with, and the mud channel disintegrating machine reaches the closing of more than 1MPa slurry fluid for its internal salable pressure
Jaw crusher.
4. system according to claim 1, it is characterised in that also contain in the system and be used for from pulp-inlet pipe to mud channel
The disintegrating machine that mud is directly inputted in disintegrating machine enters to starch branch pipe (12).
5. system according to claim 1, it is characterised in that the dynamic jaw component include being arranged on eccentric shaft in frame,
In frame and it is connected to dynamic Hubei Province on the eccentric shaft and the moving jaw plate being connected on dynamic Hubei Province.
6. system according to claim 5, it is characterised in that the rotational frequency of eccentric shaft and the hunting frequency of moving jaw plate are
100~500 times per minute.
7. system according to claim 1, it is characterised in that the mud channel disintegrating machine includes being fixedly installed on shield machine
The first upper spider that lower bearing bracket (309) and the lower bearing bracket on supporting trailer are tightly connected by sealing gasket two (305)
(304) the second upper spider (307) for, being tightly connected by sealing gasket three (306) with first upper spider and it is arranged on down
Frame side and the maintenance door (315) being tightly connected with the lower bearing bracket by sealing gasket one (303), the lower bearing bracket, first
Upper spider, the second upper spider and maintenance door are collectively forming body inner chamber；The dynamic jaw component (320) of the mud channel disintegrating machine and
Determine jaw (310) and form calculus breaking mechanism；The component of body inner cavity can be repaired after opening the maintenance door.
8. system according to claim 7, it is characterised in that the calculus breaking mechanism of body inner cavity also includes being arranged on
It is used for the liner plate (311) for protecting lower bearing bracket side wall on lower bearing bracket, and the particle diameter of the size for adjusting broken rear cobble particle diameter is adjusted
Whole group part (312) and pretension component (313).
9. system according to claim 7, it is characterised in that described to determine jaw and be arranged on jaw turnbuckle (308) is determined
Lower bearing bracket is on the bearing of pulp pipeline interface side；It is provided with infiow conduit interface on first upper spider, described second
It is provided with upper spider for the grid of filtration fraction sandstone and the peep hole for watching inner chamber situation, is set on the lower bearing bracket
It is equipped with pulp pipe interface.
10. system according to claim 7, it is characterised in that the mud channel disintegrating machine also includes being used for its inside
High-pressure slurry is introduced, accelerates the flowing velocity of broken pebble, promotes its flush pipe from the discharge of mud channel disintegrating machine rapidly
Road；The flushing line includes the small ball valve that surges (11), flush pipe (9) and the small damping larynx (10) of series connection.
11. the system according to any one in claim 1~10, it is characterised in that the dynamic jaw component (320) includes electricity
Machine driving rotation eccentric shaft (330), be fixedly installed on eccentric shaft it is axially external be used for dynamic jaw component is connected in frame
Outboard bearing (332) and bearing block (322), be fixedly installed on the inboard bearing (332) of eccentric shaft axially inner side, be connected to it is described
Dynamic jaw (324) on inboard bearing, the moving jaw plate (329) being connected on the dynamic jaw, and including outboard bearing rotatory sealing
Ring (323), outboard bearing rotatory sealing (333), inboard bearing rotatory sealing ring (328) and inboard bearing rotatory sealing
(334)；The outboard bearing rotatory sealing is arranged on outboard bearing rotatory sealing ring inner radial, and the two is respectively positioned on outboard shafts
The axially inner side held, the two collective effect are used to the high-pressure slurry isolation inside mud channel disintegrating machine preventing it from outside
Inside side bearing；The inboard bearing rotatory sealing is arranged on inboard bearing rotatory sealing ring inner radial, and the two is respectively positioned on
Inboard bearing it is axially external, the two collective effect be used for by inside mud channel disintegrating machine high-pressure slurry isolation prevent its from
Into inside inboard bearing.
12. the system according to claim 11, it is characterised in that the outboard bearing rotatory sealing and inboard bearing rotation are close
Envelope is the rubber seal ring being fixedly installed on eccentric shaft；The outboard bearing rotatory sealing ring is included respectively positioned at axially
Two outboard bearing sealing rings at both ends and the outboard bearing spacer ring among axial direction, the inboard bearing rotatory sealing ring
Comprising two inboard bearing sealing rings for being located at axial both ends respectively and positioned at axially middle inboard bearing spacer ring；The outside
Bearing rotary sealing ring is pressed on outboard bearing gland using outboard bearing sealing gland and O-ring, inboard bearing rotation
Sealing ring is pressed on inboard bearing gland using inboard bearing sealing gland and O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510422644.4A CN105065007B (en) | 2015-07-17 | 2015-07-17 | A kind of shield machine muddy water circulation and rubble system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510422644.4A CN105065007B (en) | 2015-07-17 | 2015-07-17 | A kind of shield machine muddy water circulation and rubble system |
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| Publication Number | Publication Date |
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| CN105065007A CN105065007A (en) | 2015-11-18 |
| CN105065007B true CN105065007B (en) | 2018-02-09 |
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| CN201510422644.4A Active CN105065007B (en) | 2015-07-17 | 2015-07-17 | A kind of shield machine muddy water circulation and rubble system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380274B (en) * | 2018-01-11 | 2020-05-12 | 中国铁建重工集团股份有限公司 | A breaker and shield structure machine for muddy water balance shield constructs machine |
| CN108180019B (en) * | 2018-01-11 | 2019-12-10 | 中国铁建重工集团股份有限公司 | A breaker and shield structure machine for muddy water balance shield constructs machine |
| CN108612540A (en) * | 2018-04-22 | 2018-10-02 | 谢志坚 | A kind of Used in Shallow Mining Tunnel with Large Span construction equipment |
| CN110454179A (en) * | 2019-09-20 | 2019-11-15 | 中铁隧道局集团有限公司 | Mud conditioning device, slurry process for slurry-water balance type shield machine |
| CN110671117A (en) * | 2019-10-30 | 2020-01-10 | 中铁隧道局集团有限公司 | Anti-stagnation device and anti-stagnation method for high-pressure scouring system in shield equipment bin |
| CN116771362B (en) * | 2023-08-28 | 2023-10-27 | 中铁十四局集团装备有限公司 | Non-contact slurry pump protection device for shield tunneling machine, and use method and application thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0381495A (en) * | 1989-08-22 | 1991-04-05 | Fujita Corp | Method for decomposing mud discharge/pipe of mud pressurizing shield machine |
| CN1033071C (en) * | 1994-07-22 | 1996-10-23 | 北京矿冶研究总院 | Double-cavity double-moving jaw crusher |
| CN2780316Y (en) * | 2004-12-24 | 2006-05-17 | 上海建设路桥机械设备有限公司 | Jaw crusher |
| CN201739772U (en) * | 2010-08-17 | 2011-02-09 | 中铁隧道装备制造有限公司 | Slush shield slurry conveying system enhanced slush cabin and air cushion cabin circulation flow device |
| CN202325527U (en) * | 2011-12-09 | 2012-07-11 | 中铁隧道装备制造有限公司 | Slurry shield mud conveying device |
| CN202645583U (en) * | 2012-06-29 | 2013-01-02 | 中国铁建重工集团有限公司 | Muddy water shield stone breaking device |
| CN102704941A (en) * | 2012-06-29 | 2012-10-03 | 中国铁建重工集团有限公司 | Slurry shield stone-crushing device |
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2015
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