CN109296381A - Shield machine belt scraper - Google Patents
Shield machine belt scraper Download PDFInfo
- Publication number
- CN109296381A CN109296381A CN201811252418.6A CN201811252418A CN109296381A CN 109296381 A CN109296381 A CN 109296381A CN 201811252418 A CN201811252418 A CN 201811252418A CN 109296381 A CN109296381 A CN 109296381A
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- China
- Prior art keywords
- valve
- cleaning shoe
- shield machine
- fixing seat
- feed line
- Prior art date
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- 238000004140 cleaning Methods 0.000 claims abstract description 93
- 230000001360 synchronised effect Effects 0.000 claims description 28
- 239000002828 fuel tank Substances 0.000 claims description 15
- 239000000446 fuel Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 19
- 239000003921 oil Substances 0.000 description 65
- 238000010276 construction Methods 0.000 description 16
- 239000004576 sand Substances 0.000 description 6
- 238000007790 scraping Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/13—Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention provides a kind of shield machine belt scrapers, belong to Shield-type machinery technical field, including fixing seat, are arranged in the belt fixed frame of shield machine, and the cavity of opening upwards is provided in fixing seat；Cleaning shoe is plugged in cavity；Lifting device, top are connect with cleaning shoe, and bottom is arranged in belt fixed frame or fixing seat, and for driving cleaning shoe to move up and down, and lifting device is electrically connected to the control system；The limited block of left and right offset occurs when being provided on the side wall of cleaning shoe for preventing cleaning shoe from moving up and down, it is provided on the side wall of fixing seat for holding limit block and the sliding locating slot that is slided up and down for limited block, limited block passes through sliding locating slot and extends in outside fixing seat.Shield machine belt scraper provided by the invention, it is intended to solve existing cleaning shoe and scrape the technical issues of mud effect is bad and cleaning shoe can not be adjusted at a distance from belt.
Description
Technical field
The invention belongs to Shield-type machinery technical fields, are to be related to a kind of shield machine belt scraper more specifically.
Background technique
In balancing earth-pressure shielding machine progradation, dregs is transported to through belt conveyor stops slag-soil truck in orbit
On.It in dregs transmission process, is easily bonded on belt, with the operating of belt, dregs splashing is fallen seriously, in trailer junction
There are a large amount of dregs to accumulate, fall will affect construction safety suddenly, dregs, which is fallen, also influences worker's construction, and tunnel sanitary condition becomes
Difference also can cause greatly to damage to various equipment, especially electric elements, reduce the service life.Dregs cleaning is relatively troublesome,
Construction speed is influenced, and a large amount of woven bag can be wasted, improves construction cost etc..
In the tunnel excavating process that some formation components are mainly clayey silt, flour sand, fine sand etc., inevitably go out
Existing dregs bonds belt phenomenon, in such a case it is necessary to be cleared up using cleaning shoe belt.In balancing earth-pressure shielding machine
On frequently with belt cleaning shoe be that the nylon carried on the inside of lower layer's belt at triangle cleaning shoe and driving wheel at driven wheel scrapes mud
Plate cannot play and scrape mud effect well, to cause lower layer's belt outer layer foundry loam phenomenon serious, dregs be caused to fall in tunnel
It falls seriously, and belt roller bonding is serious, forms thicker mud film, biggish frictional resistance is generated in belt rotation process,
Cause belt driving motor torque to increase, easily belt motor is caused to overload, so as to cause frequency converter overload-alarm, breaker is frequent
Tripping, causes unnecessary electric fault.In addition, cleaning shoe is generally bolted with shield machine, rear cleaning shoe is installed
It can not be adjusted at a distance from belt, use has inconvenience more.
Summary of the invention
The purpose of the present invention is to provide a kind of shield machine belt scrapers, it is intended to solve existing cleaning shoe and scrape mud effect not
The technical issues of good and cleaning shoe can not be adjusted at a distance from belt.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of shield machine belt scraper is provided, comprising:
Fixing seat is arranged in the belt fixed frame of shield machine, and the cavity of opening upwards is provided in the fixing seat；
Cleaning shoe is plugged in the cavity；
Lifting device, top are connect with the cleaning shoe, and bottom is arranged in the belt fixed frame or the fixing seat,
For driving the cleaning shoe to move up and down, and the lifting device is electrically connected to the control system.
Further, left and right occurs when being provided on the side wall of the cleaning shoe for preventing the cleaning shoe from moving up and down
The limited block of offset is provided on the side wall of the fixing seat for accommodating the limited block and sliding up and down for the limited block
Sliding locating slot, the limited block passes through and the sliding locating slot and extends in outside the fixing seat.
Further, the lifting device passes through the mounting base being arranged on the cleaning shoe and connect with the cleaning shoe.
Further, the fixing seat includes main body and the mounting plate for being symmetricly set on the main body two sides, the installation
Plate is fixedly connected with the belt fixed frame, and the main body is opening up U-type groove, and the U-type groove is the cavity, described
Lifting device is arranged on the mounting plate.
Further, the limited block is the bolt being threadedly coupled with the cleaning shoe, and the lifting device is hydraulic cylinder,
The hydraulic cylinder is two, and is separately positioned on the both ends of the cleaning shoe, is connect at the top of the hydraulic cylinder with the cleaning shoe,
Bottom is arranged in the belt fixed frame or the fixing seat, and the hydraulic cylinder is electrically connected with the control system.
Further, the control system includes interconnected main oil feed line and synchronous oil circuit, the main fuel feed pump
The one end on road is connected to by pressure reducing valve with fuel tank, and the other end of the main oil feed line passes through hydraulic control one-way valve and the synchronous oil
The one end on road is connected to, and the rodless cavity of the synchronous oil circuit and two hydraulic cylinders is respectively communicated with, and two hydraulic cylinders have
Rod cavity passes through three-position four-way electromagnetic directional valve respectively and is connected to the fuel tank, the three-position four-way electromagnetic directional valve and electric-control system
Electrical connection.
Further, the synchronous oil circuit include the first branch being respectively communicated with the rodless cavity of two hydraulic cylinders and
Second branch, the first branch and the second branch pass through synchronous valve respectively and are connected to the hydraulic control one-way valve.
Further, the main oil feed line includes the first oil feed line parallel with one another, the second oil feed line and third
Oil feed line, inserted valve is provided on first oil feed line, and the oil inlet of the inserted valve passes through the pressure reducing valve and institute
Fuel tank connection is stated, the oil outlet of the inserted valve is connected to the oil inlet of the hydraulic control one-way valve, the control mouth of the inserted valve
It is connected to the synchronous valve；Hand hydraulic control valve is provided on second oil feed line, the oil inlet of the hand hydraulic control valve is logical
It crosses the pressure reducing valve to be connected to the fuel tank, the oil outlet of the hand hydraulic control valve passes through check valve and the hydraulic control one-way valve
Oil inlet connection；The third oil feed line be sequentially connected in series the connection pressure reducing valve, the three-position four-way electromagnetic directional valve and
The oil feed line of the hydraulic control one-way valve.
Further, the electric-control system includes first switch, the first relay, second switch and the second relay, institute
State the normally opened touching of the coil of the first relay, the first electromagnet of the three-position four-way electromagnetic directional valve, first relay
Point and the first switch be sequentially connected in series and formed for controlling the three-position four-way electromagnetic directional valve the first valve body conducting or
First current supply circuit of closure, the coil of second relay, the second electromagnet of the three-position four-way electromagnetic directional valve, institute
The normally opened contact and the second switch for stating the second relay are sequentially connected in series and are formed and changed for controlling the 3-position 4-way electromagnetism
The second current supply circuit for being connected or being closed to the second valve body of valve, first current supply circuit and second current supply circuit also divide
It is not electrically connected to a power source by miniature circuit breakers.
Further, first current supply circuit and second current supply circuit also respectively by emergency stop switch with it is described micro-
Disconnect powered-down connection.
The beneficial effect of shield machine belt scraper provided by the invention is: compared with prior art, shield of the present invention
Machine belt scraper improves the mud-scraping apparatus of lower belt on existing shield machine, has been set to fixing seat, has scraped mud
The form that plate and lifting device are combined.Wherein, the setting of lifting device realizes cleaning shoe apart from shield machine lower belt spacing
Adjustability so that after being worn at the top of cleaning shoe control system or user can as the case may be quickly to cleaning shoe and under
Being adjusted between belt indirectly, it is ensured that the mud effect of scraping of shield machine belt scraper remains preferable state and puts down
Stability is excellent.Lifting device is set as two and then ensures the stability of cleaning shoe both ends stress, while ensuring lower belt not
With region to scrape mud effect consistent.The setting of fixing seat is so that swing will not occur when in use or can only be very for cleaning shoe
In small section (i.e. in the width range of cavity) swing, effectively prevent lower belt foundry loam it is more when cleaning shoe occur therewith greatly
The phenomenon that mud effect is scraped in amplitude offset influence generation, and then ensure that cleaning shoe is good and scrape mud effect, while reducing use
The risk that lifting device is damaged in the process.
Through testing, using shield machine belt scraper provided by the present invention, in shield machine progradation, base on belt
This does not fall dregs, also not damaged to belt, improves construction efficiency, guarantees personnel's construction safety, and greatly reduce one
The failure rate of a little equipment, go on smoothly construction can.In conclusion shield machine belt provided by through the invention scrapes mud
Device can effectively eliminate shield machine lower belt dregs, ensure that the normal construction of construction personnel, tunnel cleaning, and shield machine
On each component it is without damage, improve construction efficiency.This equipment is particularly suitable for clay silt, flour sand and fine sand stratum, has
Very big popularization space.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of shield machine belt scraper provided in an embodiment of the present invention；
Fig. 2 is the schematic view of the front view after shield machine belt scraper provided in an embodiment of the present invention installation；
Fig. 3 is the side structure schematic view after shield machine belt scraper provided in an embodiment of the present invention installation；
Fig. 4 is the control system hydraulic principle schematic diagram of shield machine belt scraper provided in an embodiment of the present invention；
Fig. 5 is the circuit theory schematic diagram of electric-control system provided in an embodiment of the present invention.
In figure: 1, fixing seat；11, main body；12, mounting plate；2, control system；21, main oil feed line；211, the first fuel feeding
Pipeline；212, the second oil feed line；213, third oil feed line；22, synchronous oil circuit；221, the first branch；222, second branch；
223, synchronous valve；23, hydraulic control one-way valve；24, three-position four-way electromagnetic directional valve；25, fuel tank；26, inserted valve；27, hand hydraulically controlled
Valve；28, check valve；29, pressure reducing valve；3, cavity；4, cleaning shoe；5, electric-control system；51, the first current supply circuit；52, the second power supply
Circuit；6, limited block；7, locating slot is slided；8, lifting device；9, mounting base；10, belt fixed frame；13, lower belt.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Also referring to Fig. 1 to Fig. 3, now shield machine belt scraper provided in an embodiment of the present invention is illustrated.Institute
Shield machine belt scraper, including fixing seat 1 are stated, is arranged in the belt fixed frame 10 of shield machine, and is provided in fixing seat 1
The cavity 3 of opening upwards；Cleaning shoe 4 is plugged in cavity 3；Lifting device 8, top are connect with cleaning shoe 4, and bottom setting exists
In belt fixed frame 10 or fixing seat 1, for driving cleaning shoe 4 to move up and down, and lifting device 8 is electrically connected with control system 2.
In use, fixing seat 1 is mounted in belt fixed frame 10, cleaning shoe 4 is plugged in the cavity 3 of fixing seat 1,
And lifting device 8 is fixed in belt fixed frame 10 or fixing seat 1, after good position is installed, is controlled and gone up and down by control system 2
The height of device 8, so that 4 top of cleaning shoe is abutted with the lower belt 13 of shield machine, the rotation of belt therewith later, cleaning shoe 4
Lower belt 13 is carried out to scrape mud operation.When wearing at the top of cleaning shoe 4, the height of lifting device 8 is further adjusted, so that
Cleaning shoe 4 is abutted with lower belt 13 again.Then lifting device 8 is highly reduced when cleaning shoe 4 needs replacing, by cleaning shoe 4
It removes and is replaced.
Shield machine belt scraper provided by the invention, compared with prior art, the present invention is to hypodermis on existing shield machine
Mud-scraping apparatus with 13 is improved, and the form that fixing seat 1, cleaning shoe 4 and lifting device 8 are combined has been set to.
Wherein, the setting of lifting device 8 realizes adjustability of the cleaning shoe 4 apart from 13 spacing of shield machine lower belt, so that cleaning shoe 4 pushes up
Control system 2 or user can be as the case may be quickly to tapping between cleaning shoe 4 and lower belt 13 after portion is worn
Row adjustment, it is ensured that shield machine belt scraper scrapes that mud effect remains preferable state and stationarity is excellent.Fixing seat 1
Setting so that cleaning shoe 4 will not occur when in use swing or can only in the section of very little (the i.e. width model of cavity 3
In enclosing) swing, effectively prevent 13 foundry loam of lower belt it is more when cleaning shoe 4 significantly bias effect occur therewith scrape mud effect
Phenomenon occurs, and then ensures that cleaning shoe 4 is good and scrape mud effect, while reducing lifting device 8 in use process and damaging
Bad risk.
Through field test, using shield machine belt scraper provided by the present invention, in shield machine progradation, belt
On do not fall dregs substantially, it is also not damaged to belt, improve construction efficiency, guarantee personnel's construction safety, and substantially reduce
The failure rates of some equipment go on smoothly construction can.In conclusion shield machine belt provided by through the invention is scraped
Mud device can effectively eliminate shield machine lower belt dregs, ensure that the normal construction of construction personnel, tunnel cleaning, and shield
Each component on machine is without damage, improves construction efficiency.This equipment is particularly suitable for clay silt, flour sand and fine sand stratum,
There is very big popularization space.
Lifting device 8 can be existing for the markets such as hydraulic cylinder, electric cylinders, cylinder and can pass through control system in the present embodiment
System 2 automatically controls the lifting device of lifting.
As a kind of specific embodiment of shield machine belt scraper provided by the invention, Fig. 1 and Fig. 2 is please referred to, is scraped
The limited block 6 of left and right offset, the side of fixing seat 1 occur when be provided on the side wall of mud plate 4 for preventing cleaning shoe 4 from moving up and down
It is provided on wall for holding limit block 6 and the sliding locating slot 7 that is slided up and down for limited block 6, limited block 6 passes through sliding positioning
It slot 7 and extends in outside fixing seat 1.
The setting of limited block 6 and sliding locating slot 7 is so that cleaning shoe 4 moves up and down under the drive of lifting device 8
Left and right offset occurs for Shi Buhui, and then ensures that cleaning shoe 4 and the contact area of lower belt 13 immobilize, it is ensured that cleaning shoe
4 scrape the stability of mud effect, while ensuring the stability of 8 stress of lifting device, ensure that its longer service life.
It as a kind of specific embodiment of shield machine belt scraper provided by the invention, please refers to Fig.1 to Fig.3, rises
Falling unit 8 passes through the mounting base 9 being arranged on cleaning shoe 4 and connect with cleaning shoe 4.
The setting of mounting base 9 is so that lifting device 8 can be stably connected with cleaning shoe 4, and not will receive cleaning shoe 4 width itself
The limitation of degree installs more convenient.
Mounting base 9 is detachably connected respectively with cleaning shoe 4 and lifting device 8 in the present embodiment, and setting in this way effectively improves
The convenience operated when cleaning shoe 4 or the installation of lifting device 8 or replacement.4 length of cleaning shoe is greater than fixing seat 1 in the present embodiment
Length, the setting of mounting base 9 is in 1 outside of fixing seat.
As a kind of specific embodiment of shield machine belt scraper provided by the invention, please refer to Fig.1 to Fig.3, Gu
Reservation 1 includes main body 11 and the mounting plate 12 for being symmetricly set on 11 two sides of main body, and mounting plate 12 and belt fixed frame 10, which are fixed, to be connected
It connects, main body 11 is opening up U-type groove, and U-type groove is cavity 3, and lifting device 8 is arranged on mounting plate 12.Lifting device 8 is pacified
In fixing seat 1, equipment is assembled progress integrated marketing in factory by quotient easy to produce or carrying, this setting effectively improve
The convenience of equipment conveying and carrying, while reducing the risk that components are emptied one's bowels.
Mounting plate 12 is detachably fixed with belt fixed frame 10 by bolt and is connect in the present embodiment.
It as a kind of specific embodiment of shield machine belt scraper provided by the invention, please refers to Fig.1 to Fig.3, limits
Position block 6 is the bolt being threadedly coupled with cleaning shoe 4, and lifting device 8 is hydraulic cylinder, and hydraulic cylinder is two, and is separately positioned on and scrapes
The both ends of mud plate 4, hydraulic cylinder top are connect with cleaning shoe 4, and bottom is arranged in belt fixed frame 10 or fixing seat 1, and hydraulic
Cylinder is electrically connected with control system 2.
Limited block 6 uses bolt, realizes being detachably connected for limited block 6 and cleaning shoe 4, convenient for user general as needed
Cleaning shoe 4 is by taking out or loading onto fixing seat 1.Limited block 6 uses bolt simultaneously, also adds the multifunctionality of limited block 6.When
When equipment normal use, bolt can not be tightened, and acting only as can use with the limited block 6 that cleaning shoe 4 moves up and down；Work as lifting
Device 8 breaks down when needing replacing, and can tighten bolt, so that cleaning shoe 4 is fixed in fixing seat 1, at this moment bolt can be made
It is used for the fixing piece of cleaning shoe 4 and fixing seat 1, this setting, which effectively increases, to be operated when the installation of lifting device 8 and disassembly
Convenience and safety.
Lifting device 8 uses hydraulic cylinder, and materials are convenient, and sufficiently large to the jacking force of cleaning shoe 4, it is ensured that cleaning shoe 4
Preferably scrape mud effect.Lifting device 8 is set as two stability for then ensuring 4 both ends stress of cleaning shoe, ensures simultaneously
13 different zones of lower belt to scrape mud effect consistent.
As a kind of specific embodiment of shield machine belt scraper provided by the invention, refering to Fig. 4, control system 2
Including interconnected main oil feed line 21 and synchronous oil circuit 22, one end of main oil feed line 21 passes through pressure reducing valve 29 and fuel tank 25
Connection, the other end of main oil feed line 21 are connected to by hydraulic control one-way valve 23 with one end of synchronous oil circuit 22, synchronize oil circuit 22 and
The rodless cavity of two hydraulic cylinders is respectively communicated with, and the rod chamber of two hydraulic cylinders passes through three-position four-way electromagnetic directional valve 24 and oil respectively
Case 25 is connected to, and three-position four-way electromagnetic directional valve 24 is electrically connected with electric-control system 5.
When cleaning shoe 4 needs to increase, electric-control system 5 controls to be connected on the right side of three-position four-way electromagnetic directional valve 24, main fuel feeding
Pipeline 21 is connected, and the hydraulic oil in fuel tank 25 is supplied synchronous oil circuit 22 through hydraulic control one-way valve 23, synchronous oil circuit 22 by oil circuit into
Row synchronizes fuel feeding to the rodless cavity of two hydraulic cylinders respectively after shunting, and controls two hydraulic cylinder synchronous and rises, has bar in hydraulic cylinder
Intracavitary hydraulic oil is then back in fuel tank 25 through three-position four-way electromagnetic directional valve 24.When cleaning shoe 4 works, electric-control system 5
Position work in three-position four-way electromagnetic directional valve 24 is controlled, the oil circuit of hydraulic system is blocked, keeps hydraulic cylinder highly stable.When scraping
When mud plate 4 needs replacing, electric-control system 5 controls to be connected on the left of three-position four-way electromagnetic directional valve 24, and system starts to have to hydraulic cylinder
Rod cavity fuel feeding, the hydraulic oil of hydraulic cylinder rodless cavity then pass sequentially through hydraulic control one-way valve 23, three-position four-way electromagnetic directional valve 24 to oil
Reflux in case 25.
As a kind of specific embodiment of shield machine belt scraper provided by the invention, refering to Fig. 4, synchronous oil circuit 22
Including the first branch 221 and second branch 222 being respectively communicated with the rodless cavity of two hydraulic cylinders, the first branch 221 and second
Branch 222 is connected to by synchronous valve 223 with hydraulic control one-way valve 23 respectively.The present invention realizes two by the setting of synchronous oil circuit 22
The synchronously control of a hydraulic cylinder, it is ensured that the consistency of 4 both ends stress of cleaning shoe.
Existing two-way synchronous valve or throttle valve in the market can be used in synchronous valve 223 in the present embodiment, as long as can make
One branch 221 is consistent with the hydraulic flow of second branch 222 and flow velocity.
As a kind of specific embodiment of shield machine belt scraper provided by the invention, refering to Fig. 4, main oil feed line
21 include the first oil feed line 211 parallel with one another, the second oil feed line 212 and third oil feed line 213, the first oil feed line
Inserted valve 26 is provided on 211, the oil inlet of inserted valve 26 is connected to by pressure reducing valve 29 with fuel tank 25, the oil outlet of inserted valve 26
It is connected to the oil inlet of hydraulic control one-way valve 23, the control mouth of inserted valve 26 is connected to synchronous valve 223；On second oil feed line 212
It is provided with hand hydraulic control valve 27, the oil inlet of hand hydraulic control valve 27 is connected to by pressure reducing valve 29 with fuel tank 25, hand hydraulic control valve 27
Oil outlet be connected to the oil inlet of hydraulic control one-way valve 23 by check valve 28；Third oil feed line 213 is to be sequentially connected in series connection
The oil feed line of pressure reducing valve 29, three-position four-way electromagnetic directional valve 24 and hydraulic control one-way valve 23.
As a kind of specific embodiment of shield machine belt scraper provided by the invention, refering to Fig. 5, electric-control system 5
Including first switch, the first relay, second switch and the second relay, coil, the 3-position 4-way electromagnetism of the first relay are changed
It is sequentially connected in series and is formed for controlling three four to the first electromagnet of valve 24, the normally opened contact of the first relay and first switch
First valve body of electric change valve 24 is connected or the first current supply circuit 51 of closure, coil, the 3-position 4-way of the second relay
Second electromagnet of solenoid directional control valve 24, the normally opened contact of the second relay and second switch are sequentially connected in series and are formed for controlling
Second valve body of three-position four-way electromagnetic directional valve 24 is connected or the second current supply circuit 52 of closure, the first current supply circuit 51 and second
Current supply circuit 52 is also electrically connected to a power source by miniature circuit breakers respectively.
Three kinds of oil feed lines parallel with one another (i.e. first oil feed lines 211, the second oil feed line are provided in the present invention
212 and third oil feed line 213), these three oil feed lines represent three kinds of hydraulic cylinder control modes, are respectively as follows: automatic control, hand
Dynamic control, electrichydraulic control mode.The working principle of three kinds of control modes is as follows:
1. automatic control mode
It after each component is installed in shield machine belt scraper, is automatically controlled to realize, first skin in adjustment shield machine
Band tension, reaches effect of preferably slagging tap；Secondly, well scraping mud effect according to what cleaning shoe 4 and lower belt 13 were formed and determining
The pressure of hydraulic cylinder rodless cavity, so that it is determined that the pressure difference of pressure reducing valve 29 and inserted valve 26.After cleaning shoe 4 is worn, with lower belt
13 form certain gap, and inserted valve 26 detects that hydraulic cylinder rodless cavity pressure declines at this time, and pressure reducing valve 29 is passed through in oil inlet at this time,
Open inserted valve 26, oil circuit flows at hydraulic control one-way valve 23, synchronized valve 223 enter after shunting two hydraulic cylinders without bar
Chamber, at this point, inserted valve 26 is closed, is automatically controlled until rodless cavity oil pressure reaches established standards with this to realize.This setting makes
Control system 2 can realize the automatic detection of cylinder pressure, i.e. the automatic detection whether worn of cleaning shoe 4, and scraping
After mud plate 4 is worn, automatically controls lifting device 8 (hydraulic cylinder) and cleaning shoe 4 is driven to rise, so that realizing shield machine belt scrapes mud
The automatic detection and adjustment of spacing, improve the degree of automation of equipment entirety, improve working efficiency, protect between device and lower belt 13
It has lived equipment and has well smoothly scraped mud effect.
2. manual control mode
Pressure reducing valve 29 is flowed through quoted from the oil circuit of auxiliary hydraulic system, reaches at hand hydraulic control valve 4, presses hand hydraulic control valve 4,
Oil circuit is connected up and down, and hydraulic cylinder rodless cavity is reached after check valve 28, hydraulic control one-way valve 23, synchronous valve 223, drives hydraulic cylinder
Cleaning shoe 4 and its upper limit position block 6 move towards to rise vertically along sliding locating slot 7, until reaching good scrapes mud effect.
3. electrichydraulic control mode
Introduce 24V supply voltage, miniature circuit breakers F1 close a floodgate, emergency stop switch S1 state is normal, press first switch SB1 by
Button, the coil of the first relay K1 obtain electric, the normally opened contact of the first relay K1 closure, and the of three-position four-way electromagnetic directional valve 24
One electromagnet Y1 obtains electric, and three-position four-way electromagnetic directional valve 24, fluid-control one-way are passed through in the first valve body (i.e. right side valve body) conducting, oil inlet
Enter hydraulic cylinder rodless cavity after valve 23, synchronous valve 223, hydraulic cylinder is made to drive cleaning shoe 4 and its upper limit position block 6 along sliding locating slot
7 trends are vertical to be risen, until reaching good scrapes mud effect.When needing replacing cleaning shoe 4, presses second switch and (decline
Button), the coil of the second relay K2 obtains electric, the normally opened contact closure of the second relay K2, three-position four-way electromagnetic directional valve 24
The second electromagnet Y2 obtain electric, the second valve body (i.e. left side valve body) conducting, oil circuit flow to hydraulic cylinder rod chamber, while reaching hydraulic control
Check valve 23, and hydraulic control one-way valve 13 is opened, so that its rodless cavity is formed oil return circuit, flow to fuel tank 13, mud is scraped in hydraulic cylinder drive
Plate 4 declines, and replaces same specification cleaning shoe 4.
Wherein, C65N 1P C6A type Schneider miniature circuit breaker can be used in miniature circuit breakers, and first switch and the second switch can
Using ZB4-BW333 type button switch, 34.7024.0010 type Finder 24V is can be used in the first relay and the second relay
Relay.
As a kind of specific embodiment of shield machine belt scraper provided by the invention, referring to Fig. 5, the first power supply
Circuit 51 and the second current supply circuit 52 are also electrically connected by emergency stop switch with miniature circuit breakers respectively.
The setting of emergency stop switch can stop working immediately after being convenient for device fails, prevent from damaging or losing expanding.
ZB4-BS844 type button switch can be used in emergency stop switch.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. shield machine belt scraper characterized by comprising
Fixing seat (1) is arranged in the belt fixed frame (10) of shield machine, and is provided with opening upwards in the fixing seat (1)
Cavity (3)；
Cleaning shoe (4) is plugged in the cavity (3)；
Lifting device (8), top are connect with the cleaning shoe (4), and bottom is arranged in the belt fixed frame (10) or described solid
In reservation (1), for driving the cleaning shoe (4) to move up and down, and the lifting device (8) is electrically connected with control system (2).
2. shield machine belt scraper as described in claim 1, it is characterised in that: be arranged on the side wall of the cleaning shoe (4)
The limited block (6) of left and right offset, the side wall of the fixing seat (1) occur when having for preventing the cleaning shoe (4) from moving up and down
On be provided with sliding locating slot (7) for accommodating the limited block (6) and sliding up and down for the limited block (6), the limit
Position block (6) passes through the sliding locating slot (7) and extends in the fixing seat (1) outside.
3. shield machine belt scraper as claimed in claim 2, it is characterised in that: the lifting device (8) is existed by setting
Mounting base (9) on the cleaning shoe (4) is connect with the cleaning shoe (4).
4. shield machine belt scraper as claimed in claim 3, it is characterised in that: the fixing seat (1) includes main body (11)
With the mounting plate (12) for being symmetricly set on the main body (11) two sides, the mounting plate (12) and the belt fixed frame (10) are solid
Fixed connection, the main body (11) are opening up U-type groove, and the U-type groove is the cavity (3), and the lifting device (8) sets
It sets on the mounting plate (12).
5. shield machine belt scraper as claimed in claim 2, it is characterised in that: the limited block (6) is to scrape mud with described
The bolt that plate (4) is threadedly coupled, the lifting device (8) are hydraulic cylinder, and the hydraulic cylinder is two, and is separately positioned on described
The both ends of cleaning shoe (4), the hydraulic cylinder top are connect with the cleaning shoe (4), and bottom is arranged in the belt fixed frame
(10) or in the fixing seat (1), and the hydraulic cylinder is electrically connected with the control system (2).
6. shield machine belt scraper as claimed in claim 5, it is characterised in that: the control system (2) includes mutually interconnecting
Logical main oil feed line (21) passes through pressure reducing valve (29) and fuel tank with synchronous oil circuit (22), one end of the main oil feed line (21)
(25) it is connected to, the other end of the main oil feed line (21) passes through one end of hydraulic control one-way valve (23) and the synchronous oil circuit (22)
Connection, the synchronous oil circuit (22) and the rodless cavity of two hydraulic cylinders are respectively communicated with, the rod chamber of two hydraulic cylinders
Be connected to the fuel tank (25) by three-position four-way electromagnetic directional valve (24) respectively, the three-position four-way electromagnetic directional valve (24) and
Electric-control system (5) electrical connection.
7. shield machine belt scraper as claimed in claim 6, it is characterised in that: the synchronous oil circuit (22) includes and two
The first branch (221) and second branch (222) that the rodless cavity of the hydraulic cylinder is respectively communicated with, the first branch (221) and
The second branch (222) is connected to by synchronous valve (223) with the hydraulic control one-way valve (23) respectively.
8. shield machine belt scraper as claimed in claim 7, it is characterised in that: the main oil feed line (21) includes mutual
First oil feed line (211), the second oil feed line (212) and third oil feed line (213) in parallel, first oil feed line
(211) it is provided on inserted valve (26), the oil inlet of the inserted valve (26) passes through the pressure reducing valve (29) and the fuel tank
(25) it is connected to, the oil outlet of the inserted valve (26) is connected to the oil inlet of the hydraulic control one-way valve (23), the inserted valve
(26) control mouth is connected to the synchronous valve (223)；Hand hydraulic control valve is provided on second oil feed line (212)
(27), the oil inlet of the hand hydraulic control valve (27) is connected to by the pressure reducing valve (29) with the fuel tank (25), described manual
The oil outlet of pilot operated valve device (27) is connected to by check valve (28) with the oil inlet of the hydraulic control one-way valve (23)；The third fuel feeding
Pipeline (213) is to be sequentially connected in series the connection pressure reducing valve (29), the three-position four-way electromagnetic directional valve (24) and the hydraulic control list
To the oil feed line of valve (23).
9. shield machine belt scraper as claimed in claim 8, it is characterised in that: the electric-control system (5) is opened including first
Pass, the first relay, second switch and the second relay, the coil of first relay, the 3-position 4-way electromagnetic switch
First electromagnet of valve (24), the normally opened contact of first relay and the first switch are sequentially connected in series and are formed for controlling
Make the three-position four-way electromagnetic directional valve (24) the first valve body conducting or closure the first current supply circuit (51), described second after
The coil of electric appliance, the second electromagnet of the three-position four-way electromagnetic directional valve (24), second relay normally opened contact and
The second switch be sequentially connected in series and formed for controlling the three-position four-way electromagnetic directional valve (24) the second valve body conducting or
The second current supply circuit (52) of closure, first current supply circuit (51) and second current supply circuit (52) are also respectively by micro-
It disconnects closing and be electrically connected to a power source.
10. shield machine belt scraper as claimed in claim 9, it is characterised in that: first current supply circuit (51) and institute
The second current supply circuit (52) is stated also to be electrically connected by emergency stop switch with the miniature circuit breakers respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252418.6A CN109296381B (en) | 2018-10-25 | 2018-10-25 | Belt mud scraper of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811252418.6A CN109296381B (en) | 2018-10-25 | 2018-10-25 | Belt mud scraper of shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109296381A true CN109296381A (en) | 2019-02-01 |
| CN109296381B CN109296381B (en) | 2023-09-08 |
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ID=65157972
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811252418.6A Active CN109296381B (en) | 2018-10-25 | 2018-10-25 | Belt mud scraper of shield machine |
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| Country | Link |
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| CN (1) | CN109296381B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779926A (en) * | 2019-03-14 | 2019-05-21 | 中铁六局集团有限公司 | The control circuit and automatic water pumping device for water of automatic water pumping device for water |
Citations (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1220898A (en) * | 1968-11-14 | 1971-01-27 | Pikrose & Company Ltd | Remotely controlled scraper or slusher for underground mining |
| FR2407148A1 (en) * | 1977-10-28 | 1979-05-25 | Ward Hilda | Conveyor belt cleaning mechanism - has scraper pressure applied by circuit containing accumulator and pump |
| KR19980027169U (en) * | 1996-11-14 | 1998-08-05 | 김종진 | Fluid Tip Cleaner on Conveyor Belt |
| US6095318A (en) * | 1997-07-25 | 2000-08-01 | Scorpio Conveyor Products (Proprietary) Limited | Conveyor scraper and mounting of scraper blade |
| US6227350B1 (en) * | 1999-06-28 | 2001-05-08 | Nippon Tsusho Kabushiki Kaisha | Belt cleaner |
| JP2003312832A (en) * | 2002-04-17 | 2003-11-06 | Inoue Shokai:Kk | Belt cleaner device |
| KR20040000255A (en) * | 2002-06-24 | 2004-01-03 | 주식회사 포스코 | Apparatus for automatically cleaning conveyor-belt to dewatering sludgy |
| CN2784367Y (en) * | 2005-03-31 | 2006-05-31 | 上海宝钢生产协力公司 | Material clearing unit of belt conveyor |
| KR200419861Y1 (en) * | 2006-03-22 | 2006-06-26 | 정귀현 | Conveyor belt cleaning device |
| JP2009091150A (en) * | 2007-10-09 | 2009-04-30 | Tetsuo Harada | Belt cleaning device |
| US20090255782A1 (en) * | 2008-04-10 | 2009-10-15 | Mcbride Belting & Hose Ltd. | Conveyor belt scraper |
| CN201776282U (en) * | 2010-08-12 | 2011-03-30 | 宝山钢铁股份有限公司 | Self-cleaning scraper type roll surface cleaning device |
| CN201882602U (en) * | 2010-12-10 | 2011-06-29 | 武汉钢铁(集团)公司 | Mud bulge clearing device for belt conveyor |
| CN202029300U (en) * | 2011-04-12 | 2011-11-09 | 上虞市佳华高分子材料有限公司 | Slicer |
| CN102616555A (en) * | 2012-03-29 | 2012-08-01 | 中建市政建设有限公司 | Mud scraping and cleaning device for belt conveyor of shield machine and mounting method thereof |
| CN202621758U (en) * | 2012-05-24 | 2012-12-26 | 上海汇众汽车制造有限公司 | Oil scraper for press line of automated production |
| CN102937118A (en) * | 2012-11-13 | 2013-02-20 | 淮北重科矿山机器有限公司 | Manual and automatic integration hydraulic lifting device of mud scraping rake |
| CN102995519A (en) * | 2012-12-17 | 2013-03-27 | 三一重工股份有限公司 | Road roller and mud scraping device thereof |
| CN203393568U (en) * | 2013-07-10 | 2014-01-15 | 湖南三一路面机械有限公司 | Mud scraping device of road roller and road roller |
| CN103591058A (en) * | 2013-11-15 | 2014-02-19 | 淮北重科矿山机器有限公司 | Emergency hydraulic system of center hydraulic transmission hydraulic lifting harrow thickener |
| CN103935678A (en) * | 2014-04-01 | 2014-07-23 | 熊世武 | Tile base plate conveying frame |
| CN204038494U (en) * | 2014-06-25 | 2014-12-24 | 中国神华能源股份有限公司 | Belt cleaner |
| US20160167893A1 (en) * | 2014-12-15 | 2016-06-16 | Firestone Industrial Products Company, Llc | Conveying system actuators as well as conveyor assemblies and conveying systems including same |
| WO2016116940A1 (en) * | 2015-01-21 | 2016-07-28 | Tega Industries Limited | Auto adjusting scraper |
| CN105888684A (en) * | 2016-06-08 | 2016-08-24 | 安徽兴宇轨道装备有限公司 | Soil clearing device for tunnel underground excavation machine |
| JP2016155615A (en) * | 2015-02-23 | 2016-09-01 | Ｊｆｅスチール株式会社 | Belt surface attachments removal facility of belt conveyor |
| CN205856985U (en) * | 2016-08-06 | 2017-01-04 | 济宁市丰鹏工程设备有限公司 | A kind of new road roller cleaning shoe device |
| CN205855263U (en) * | 2016-08-12 | 2017-01-04 | 中铁十一局集团城市轨道工程有限公司 | A kind of shield machine transmission belt mud-scraping apparatus |
| CN106335768A (en) * | 2016-11-07 | 2017-01-18 | 红安江陵机械制造有限公司 | High-purity head polyurethane cleaner |
| CN106395306A (en) * | 2016-11-07 | 2017-02-15 | 红安江陵机械制造有限公司 | High-clarity belt conveyer head sweeper |
| CN106758697A (en) * | 2016-11-15 | 2017-05-31 | 王江丽 | A kind of adjustable road roller cleaning shoe |
| CN206318399U (en) * | 2016-08-31 | 2017-07-11 | 中国煤炭科工集团太原研究院有限公司 | A kind of ribbon conveyer constant pressure clamp force purging system with automatic compensation function |
| CN107386067A (en) * | 2017-08-25 | 2017-11-24 | 浙江路之友工程机械有限公司 | The mud-scraping apparatus of road roller |
| CN107458844A (en) * | 2017-07-18 | 2017-12-12 | 太仓北新建材有限公司 | A kind of belt automatic cleaning apparatus |
| CN206801571U (en) * | 2017-03-29 | 2017-12-26 | 中铁六局集团有限公司 | A kind of shield machine belt slag cleaning device |
| WO2018068116A1 (en) * | 2016-10-11 | 2018-04-19 | Pur Equipamentos Industriais Ltda | Mechanical actuation device with automatic compensation for secondary scrapers in conveyor belts |
| CN108033230A (en) * | 2017-12-28 | 2018-05-15 | 中铁工程装备集团机电工程有限公司 | A kind of shield mud scraper of belt conveyer |
| CN108033209A (en) * | 2018-01-28 | 2018-05-15 | 刘亚运 | Reprint belt feeder |
| CN108147061A (en) * | 2017-11-22 | 2018-06-12 | 中冶宝钢技术服务有限公司 | Roller barrel buildup cleaning plant |
| CN209277891U (en) * | 2018-10-25 | 2019-08-20 | 中铁六局集团有限公司 | Shield machine belt scraper |
-
2018
- 2018-10-25 CN CN201811252418.6A patent/CN109296381B/en active Active
Patent Citations (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1220898A (en) * | 1968-11-14 | 1971-01-27 | Pikrose & Company Ltd | Remotely controlled scraper or slusher for underground mining |
| FR2407148A1 (en) * | 1977-10-28 | 1979-05-25 | Ward Hilda | Conveyor belt cleaning mechanism - has scraper pressure applied by circuit containing accumulator and pump |
| KR19980027169U (en) * | 1996-11-14 | 1998-08-05 | 김종진 | Fluid Tip Cleaner on Conveyor Belt |
| US6095318A (en) * | 1997-07-25 | 2000-08-01 | Scorpio Conveyor Products (Proprietary) Limited | Conveyor scraper and mounting of scraper blade |
| US6227350B1 (en) * | 1999-06-28 | 2001-05-08 | Nippon Tsusho Kabushiki Kaisha | Belt cleaner |
| JP2003312832A (en) * | 2002-04-17 | 2003-11-06 | Inoue Shokai:Kk | Belt cleaner device |
| KR20040000255A (en) * | 2002-06-24 | 2004-01-03 | 주식회사 포스코 | Apparatus for automatically cleaning conveyor-belt to dewatering sludgy |
| CN2784367Y (en) * | 2005-03-31 | 2006-05-31 | 上海宝钢生产协力公司 | Material clearing unit of belt conveyor |
| KR200419861Y1 (en) * | 2006-03-22 | 2006-06-26 | 정귀현 | Conveyor belt cleaning device |
| JP2009091150A (en) * | 2007-10-09 | 2009-04-30 | Tetsuo Harada | Belt cleaning device |
| US20090255782A1 (en) * | 2008-04-10 | 2009-10-15 | Mcbride Belting & Hose Ltd. | Conveyor belt scraper |
| CN201776282U (en) * | 2010-08-12 | 2011-03-30 | 宝山钢铁股份有限公司 | Self-cleaning scraper type roll surface cleaning device |
| CN201882602U (en) * | 2010-12-10 | 2011-06-29 | 武汉钢铁(集团)公司 | Mud bulge clearing device for belt conveyor |
| CN202029300U (en) * | 2011-04-12 | 2011-11-09 | 上虞市佳华高分子材料有限公司 | Slicer |
| CN102616555A (en) * | 2012-03-29 | 2012-08-01 | 中建市政建设有限公司 | Mud scraping and cleaning device for belt conveyor of shield machine and mounting method thereof |
| CN202621758U (en) * | 2012-05-24 | 2012-12-26 | 上海汇众汽车制造有限公司 | Oil scraper for press line of automated production |
| CN102937118A (en) * | 2012-11-13 | 2013-02-20 | 淮北重科矿山机器有限公司 | Manual and automatic integration hydraulic lifting device of mud scraping rake |
| CN102995519A (en) * | 2012-12-17 | 2013-03-27 | 三一重工股份有限公司 | Road roller and mud scraping device thereof |
| CN203393568U (en) * | 2013-07-10 | 2014-01-15 | 湖南三一路面机械有限公司 | Mud scraping device of road roller and road roller |
| CN103591058A (en) * | 2013-11-15 | 2014-02-19 | 淮北重科矿山机器有限公司 | Emergency hydraulic system of center hydraulic transmission hydraulic lifting harrow thickener |
| CN103935678A (en) * | 2014-04-01 | 2014-07-23 | 熊世武 | Tile base plate conveying frame |
| CN204038494U (en) * | 2014-06-25 | 2014-12-24 | 中国神华能源股份有限公司 | Belt cleaner |
| US20160167893A1 (en) * | 2014-12-15 | 2016-06-16 | Firestone Industrial Products Company, Llc | Conveying system actuators as well as conveyor assemblies and conveying systems including same |
| WO2016116940A1 (en) * | 2015-01-21 | 2016-07-28 | Tega Industries Limited | Auto adjusting scraper |
| JP2016155615A (en) * | 2015-02-23 | 2016-09-01 | Ｊｆｅスチール株式会社 | Belt surface attachments removal facility of belt conveyor |
| CN105888684A (en) * | 2016-06-08 | 2016-08-24 | 安徽兴宇轨道装备有限公司 | Soil clearing device for tunnel underground excavation machine |
| CN205856985U (en) * | 2016-08-06 | 2017-01-04 | 济宁市丰鹏工程设备有限公司 | A kind of new road roller cleaning shoe device |
| CN205855263U (en) * | 2016-08-12 | 2017-01-04 | 中铁十一局集团城市轨道工程有限公司 | A kind of shield machine transmission belt mud-scraping apparatus |
| CN206318399U (en) * | 2016-08-31 | 2017-07-11 | 中国煤炭科工集团太原研究院有限公司 | A kind of ribbon conveyer constant pressure clamp force purging system with automatic compensation function |
| WO2018068116A1 (en) * | 2016-10-11 | 2018-04-19 | Pur Equipamentos Industriais Ltda | Mechanical actuation device with automatic compensation for secondary scrapers in conveyor belts |
| CN106395306A (en) * | 2016-11-07 | 2017-02-15 | 红安江陵机械制造有限公司 | High-clarity belt conveyer head sweeper |
| CN106335768A (en) * | 2016-11-07 | 2017-01-18 | 红安江陵机械制造有限公司 | High-purity head polyurethane cleaner |
| CN106758697A (en) * | 2016-11-15 | 2017-05-31 | 王江丽 | A kind of adjustable road roller cleaning shoe |
| CN206801571U (en) * | 2017-03-29 | 2017-12-26 | 中铁六局集团有限公司 | A kind of shield machine belt slag cleaning device |
| CN107458844A (en) * | 2017-07-18 | 2017-12-12 | 太仓北新建材有限公司 | A kind of belt automatic cleaning apparatus |
| CN107386067A (en) * | 2017-08-25 | 2017-11-24 | 浙江路之友工程机械有限公司 | The mud-scraping apparatus of road roller |
| CN108147061A (en) * | 2017-11-22 | 2018-06-12 | 中冶宝钢技术服务有限公司 | Roller barrel buildup cleaning plant |
| CN108033230A (en) * | 2017-12-28 | 2018-05-15 | 中铁工程装备集团机电工程有限公司 | A kind of shield mud scraper of belt conveyer |
| CN108033209A (en) * | 2018-01-28 | 2018-05-15 | 刘亚运 | Reprint belt feeder |
| CN209277891U (en) * | 2018-10-25 | 2019-08-20 | 中铁六局集团有限公司 | Shield machine belt scraper |
Non-Patent Citations (1)
| Title |
|---|
| 刘宪亮;李洪军;梁开东;张严敬;谷海燕;刘广勇;程召汉;张碧蝉;王聪;李宪庆;刘希斌: "DSJ140/250/3×315型可伸缩带式输送机", 国家科技成果网科技成果汇编三 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779926A (en) * | 2019-03-14 | 2019-05-21 | 中铁六局集团有限公司 | The control circuit and automatic water pumping device for water of automatic water pumping device for water |
| CN109779926B (en) * | 2019-03-14 | 2023-11-07 | 中铁六局集团有限公司 | Control circuit of automatic water pumping device and automatic water pumping device |
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