CN206329341U - Shield machine Large Copacity center steering body additives injection structure and its control system - Google Patents
Shield machine Large Copacity center steering body additives injection structure and its control system Download PDFInfo
- Publication number
- CN206329341U CN206329341U CN201621394553.0U CN201621394553U CN206329341U CN 206329341 U CN206329341 U CN 206329341U CN 201621394553 U CN201621394553 U CN 201621394553U CN 206329341 U CN206329341 U CN 206329341U
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- shield machine
- additive
- rotary shaft
- steering body
- center steering
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of shield machine Large Copacity center steering body additives injection structure and its control system, major diameter cavity inside the connection of major diameter hand-hole is set on the inner of center steering body, it is another that programmable logic controller (PLC), signal receiving device, sender unit, conducting slip ring and several additive outlets electrical ball valves are set, conducting slip ring is fixed on that rotary shaft is inner, and the opening and closings of several additive outlets electrical ball valves of PLC controls controls the emitted dose of additive.The shield machine Large Copacity center steering body additives injection structure and its control system, center steering body additives inlet quantity and sealing ring quantity are greatly reduced, simplify assembly technology, save manufacturing cost；Additive outlets quantity can increase on cutter head panel, to meet the requirement to sediment improvement performance；Additive outlets are controlled using electrical ball valve, using PLC technology and wireless blue tooth technology, make control system more compact, automaticity is higher.
Description
Technical field
Sprayed the present invention relates to shield machine technical field, more particularly to a kind of shield machine Large Copacity center steering body additives
Penetrate structure and its control system.
Background technology
Shield machine center steering body is one of shield machine aqueous vapor, the important component of hydraulic system, in shield machine driving
During, foaming agent, the bentonite reformatory to dregs etc. are distributed in the pipe inside cutterhead by center steering direction of flow
Road, while excavation face is sprayed to by interspersing among the additive outlets of diverse location on cutter head panel again, so as to improve the stream of dregs
Dynamic property, suppresses the moment of torsion of cutterhead mud lining in digging process, reduction cutterhead and conveying worm, improves the stability of excavation face.
At this stage, the center steering body of shield machine of the digging diameter between 6-8m is due to the limitation of self structure, mostly
4-5 roads additive inlet is set, is at best able to set 6 tunnels, wherein conveying worm is led on 1 tunnel, in this configuration, per road
Additive inlet needs 2 road lip-type packings of configuration to seal the road inlet, i.e., one group center steering body needs to match somebody with somebody
Put 12-14 roads sealing ring；On cutter head panel, additive outlets are traditionally arranged to be 5-8, are typically set when using central fluid supply
5-6 additive outlets are put, 8 are set when using single tube single-pump system, 1 additive note usually on center steering body
2 additive outlets on entrance correspondence cutter head panel.If newly increasing additive outlets on cutter head panel, because center is returned
The limitation of inlet flow and pressure is turned, the flow and pressure of section port are difficult to meet use requirement, or even export
The phenomenon blocked by dregs；Meanwhile, because the position distribution of additive outlets on cutter head panel is uneven, cause shield machine tunneling
The mobility of dregs is irregular in journey, reduces improved performance of the additive to dregs, so as to result in the liter that cutterhead tunnels moment of torsion
The generation of the bad phenomenon such as mud lining on height, the sedimentation of excavation face, cutter head panel.
The content of the invention
In order to overcome drawbacks described above, the utility model provides a kind of shield machine Large Copacity center steering body additives and sprayed
Structure and its control system are penetrated, to reach that center steering body simple in construction, low cost, pressure are high, flow is big and additive goes out
Mouth quantity is more, is evenly distributed, controls the high purpose of compact, integrated level.
The utility model is to solve the technical scheme that its technical problem is used：A kind of shield machine uses Large Copacity center
Turn round body additives injection structure, including mounting seat, rotary shaft, housing and a pair of bearings, the outer face of the rotary shaft and institute
The inner face for stating mounting seat is sealedly and fixedly connected, and the outer face of the mounting seat is fixedly connected with the cutterhead of shield machine；The rotation
The inner of rotating shaft is located in the housing by bearing bracket stand described in a pair, and the axle center of the rotary shaft is provided with major diameter cavity, should
The outer end of major diameter cavity is extended on the outer face of the rotary shaft, and the inner of the major diameter cavity extends to the rotary shaft
At position between bearing described in a pair；It is provided with the outer end of the inner face correspondence major diameter cavity of the mounting seat
Mounting seat cavity, the mounting seat cavity connects to form one with the outer end of the major diameter cavity；The housing and rotary shaft
The part that the inner is located between bearing described in a pair is provided with a major diameter hand-hole, and the major diameter hand-hole is communicated to described
On the inner of major diameter cavity；It is located at the both sides of the major diameter hand-hole between the housing and rotary shaft and is located at simultaneously
The part of the inner side of bearing described in a pair is provided with lip-type packing；The mounting seat connects institute provided with several additive holes
Connection additive injection line outside mounting seat inner chamber, each additive hole is stated, the additive injection line is distributed in shield
On machine knife disk, and the outlet of the additive injection line forms cutter head panel additive outlets.
As further improvement of the utility model, the outer face of the rotary shaft and the inner face of the mounting seat pass through
Bolt is fixedly connected, and sets O-ring seal to be sealed in connecting hole；It is solid by bolt on the inner face of the rotary shaft
Surely shrouding is connected, the shrouding is contacted with the inner ring of the bearing, prevents the axial movement of bearing inner race when rotary shaft rotates, and then
Prevent that whole housing parts from moving axially.
As further improvement of the utility model, the two ends of the housing are fixedly connected protecgulum by connecting bolt respectively
Plate and back shroud, front shroud and back shroud play sealing protective effect to bearing equivalent to the end cap of bearing.
As further improvement of the utility model, the rotary shaft is provided with two hydraulic oil injection channels and an electricity
Cable enters line passage.
As further improvement of the utility model, hydraulic oil injection channel both sides are provided with oil channel sealing, to ensure
Oil channel sealing performance when hydraulic oil injects.
It is used as further improvement of the utility model, the side of the remote major diameter hand-hole of the lip-type packing
The lip-type packing is communicated to provided with seal grease injection channel.
The utility model also provides a kind of shield machine Large Copacity center steering body additives injection structure as described above
Control system, including programmable logic controller (PLC), signal receiving device, sender unit, conducting slip ring and several
Additive outlets electrical ball valve, several described additive outlets electrical ball valves are respectively arranged on each additive injection line
On the inside of the cutter head panel additive outlets, the conducting slip ring is fixed on the inner face of the rotary shaft (the conduction
The inner side of slip ring rotates with the rotary shaft, the outside remains stationary of the conducting slip ring), if the conducting slip ring passes through cable connection
Dry additive outlets electrical ball valve and programmable logic controller (PLC) think that it is powered；The programmable logic controller (PLC) and described
Signal receiving device is fixed on the anterior shield cutterhead of shield machine, and the sender unit is fixed on the anterior shield dividing plate of shield machine
On；Between the sender unit and signal receiving device signal transmission, the signal transmitting dress are carried out by wireless telecommunications
Put and be connected with the master controller biography letter in indoor shield machine operating room, and the state signaled can be included in shield in real time
On the display screen of structure machine operating room；The signal receiving device is electrically connected with the programmable logic controller (PLC), and by reception
Signal transmission gives the programmable logic controller (PLC)；The programmable logic controller (PLC) and additive outlets several described are electronic
Ball valve is electrically connected, and controls the opening and closing of several additive outlets electrical ball valves.
As further improvement of the utility model, by wireless between the sender unit and signal receiving device
Communication carries out two-way signaling transmission.
As further improvement of the utility model, bluetooth is passed through between the sender unit and signal receiving device
Carry out two-way signaling transmission.
As further improvement of the utility model, the master controller sends command signal and launches dress to the signal
Put, the sender unit is by the command signal by radioing to signal receiving device, and the signal receiving device will connect again
The command signal of receipts is transferred to programmable logic controller (PLC), and the programmable logic controller (PLC) is by controlling several additives
The opening and closing and openings of sizes for exporting electrical ball valve control the injection rate and injection zone of additive.
The beneficial effects of the utility model are：
1) center steering body additives inlet quantity and sealing ring quantity are greatly reduced, and device originally has 5-6 note
Entrance, 12-14 roads sealing ring, the present invention only has 1 inlet, and 2 road sealing rings simplify assembly technology, save and be manufactured into
This；2) additive outlets quantity can increase and (be more than 8) on cutter head panel, to meet the requirement to sediment improvement performance；3) add
Plus agent outlet, using PLC technology and wireless blue tooth technology, makes control system more compact using electrical ball valve control, automates
Degree is higher.
Brief description of the drawings
Fig. 1 is shield machine Large Copacity center steering body additives injection structure described in the utility model and its control control
System structure diagram；
Fig. 2 is A portions mplifying structure schematic diagram in Fig. 1.
With reference to accompanying drawing, make the following instructions：
1 --- mounting seat 2 --- rotary shaft
3 --- housing 4 --- bearings
5 --- major diameter cavity 6 --- mounting seat cavitys
7 --- major diameter hand-hole 8 --- lip-type packings
9 --- additive injection line 10- --- cutter head panel additive outlets
11 --- O-ring seal 12 --- shroudings
13 --- front shroud 14 --- back shrouds
Cable enters line passage for 15 --- hydraulic oil injection channels 16 ---
17 --- oil channel sealing 18 --- seal grease injection channels
19 --- additive outlets electrical ball valve 20 --- programmable logic controller (PLC)s
21 --- signal receiving device 22 --- sender units
23 --- conducting slip ring
Embodiment
Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is elaborated.But it is of the present utility model to protect
Shield scope is not limited to following embodiments, i.e., as long as with present utility model application the scope of the claims and description made it is simple
Equivalence changes and modification, all still belong within the utility model patent covering scope.
It is a kind of shield machine Large Copacity center steering body additives injection knot described in the utility model refering to Fig. 1,2
Structure, including mounting seat 1, rotary shaft 2, housing 3 and a pair of bearings 4, the outer face of the rotary shaft and the inner of the mounting seat
Face is sealedly and fixedly connected, and the outer face of the mounting seat is fixedly connected with the cutterhead of shield machine；The inner of the rotary shaft passes through
Bearing bracket stand described in a pair is in the housing, it is characterised in that：The axle center of the rotary shaft is provided with major diameter cavity 5, and this is big
The outer end of diameter cavity is extended on the outer face of the rotary shaft, and the inner of the major diameter cavity extends to the rotation axle position
At position between bearing described in a pair；Provided with peace at the outer end of the inner face correspondence major diameter cavity of the mounting seat
Seat cavity 6 is filled, the mounting seat cavity connects to form one with the outer end of the major diameter cavity；The housing and rotary shaft it is interior
The part that end is located between bearing described in a pair is provided with a major diameter hand-hole 7, and the major diameter hand-hole is communicated to described
On the inner of major diameter cavity；It is located at the both sides of the major diameter hand-hole between the housing and rotary shaft and is located at simultaneously
The part of the inner side of bearing described in a pair is provided with lip-type packing 8；The mounting seat is connected provided with several additive holes
Additive injection line 9 is connected outside the mounting seat inner chamber, each additive hole, the additive injection line is distributed in shield
On structure machine knife disk, and the outlet of the additive injection line forms cutter head panel additive outlets 10.
Five to six additive inlets of the invention by the rotary shaft of traditional shield machine center steering body uniformly
Structure design mode, is changed to a major diameter hand-hole 7, and the additive of injection enters major diameter in the major diameter hand-hole 7
Reach mounting seat cavity 7 after cavity 6, then by the additive hole that is set on the mounting seat cavity 7 via additive injection line 9 to
Up to cutter head panel additive outlets 10, so as to spray to the excavation face of shield machine, to improve the mobility of dregs, suppress digging process
The moment of torsion of middle cutterhead mud lining, reduction cutterhead and conveying worm, improves the stability of excavation face.
Because the present invention only has a major diameter hand-hole 7, in the case where ensure that additive injection pressure is enough, only
Need to set lip-type packing in the both sides of major diameter hand-hole 7, greatly reduce additive inlet quantity and
The quantity of sealing ring, simplifies equipment technique, reduces manufacturing cost.In addition, such structure setting so that on cutter head panel
Additive outlets quantity can increase (be more than 8), to meet the requirement to sediment improvement performance.
Wherein, the outer face of the rotary shaft and the inner face of the mounting seat are bolted to connection, and in connection
O-ring seal 11 is set to be sealed in hole；Shrouding 12 is bolted to connection on the inner face of the rotary shaft, the shrouding
Contacted with the inner ring of the bearing 4, prevent the axial movement of bearing inner race when rotary shaft rotates, and then prevent whole housing parts
Move axially.The two ends of the housing are fixedly connected front shroud 13 and back shroud 14, front shroud by connecting bolt respectively
End cap with back shroud equivalent to bearing, sealing protective effect is played to bearing.The rotary shaft is provided with two hydraulic oil injections
Passage 15 and a cable enter line passage 16.Hydraulic oil injection channel both sides are provided with oil channel sealing 17, to ensure hydraulic pressure
Oil channel sealing performance during oil injection.The side of the remote major diameter hand-hole of the lip-type packing is provided with seal grease
Injection channel 18 is communicated to the lip-type packing.
It is a kind of shield machine Large Copacity center steering body additives injection knot described in the utility model refering to Fig. 1,2
The control system of structure, including programmable logic controller (PLC) 20, signal receiving device 21, sender unit 22, conducting slip ring 23
And several additive outlets electrical ball valves 19, several described additive outlets electrical ball valves are respectively arranged on each described add
Plus agent injection line is located on the inside of the cutter head panel additive outlets, the conducting slip ring is fixed on the inner of the rotary shaft
On face (inner side of the conducting slip ring rotates with the rotary shaft, the outside remains stationary of the conducting slip ring), the conducting slip ring leads to
Cross several additive outlets electrical ball valves of cable connection and programmable logic controller (PLC) thinks that it is powered；The FPGA
Controller and the signal receiving device are fixed on the anterior shield cutterhead of shield machine, and the sender unit is fixed on shield machine
Anterior shield dividing plate on；Signal transmission is carried out by wireless telecommunications between the sender unit and signal receiving device, it is described
Sender unit passes letter with the master controller in indoor shield machine operating room and is connected, and can be real-time by the state signaled
Be shown on the display screen of shield machine operating room；The signal receiving device is electrically connected with the programmable logic controller (PLC),
And give the programmable logic controller (PLC) by the signal transmission of reception；The programmable logic controller (PLC) and several described additions
Agent outlet electrical ball valve electrical connection, and control the opening and closing of several additive outlets electrical ball valves.
Wherein, it is that Bluetooth technology progress is two-way by wireless telecommunications between the sender unit and signal receiving device
Signal transmission.The master controller sends command signal to the sender unit, and the sender unit believes the instruction
Number by radioing to signal receiving device, the command signal of reception is transferred to FPGA by the signal receiving device again
Controller, the programmable logic controller (PLC) is big by the opening and closing and opening for controlling several additive outlets electrical ball valves
Small injection rate and injection zone to control additive.
When shield machine is needed in tunneling process to excavation face penetrating additive, now additive is by note reserved on housing
Entrance injects center steering body, and the mounting seat of center steering body is then entered by the major diameter hand-hole in rotary shaft, and then
The additive outlets electrical ball valve being located near additive outlets is reached by each additive flow in pipes arranged in cutterhead
One end, the cable that the power supply of electrical ball valve is drawn by conducting slip ring provides, the keying driving cable of electrical ball valve with
At anterior shield cutterhead adpting flange programmable logic controller (PLC) (PLC) connection, when need increase cutter head panel on addition
When agent is exported, it need to only increase corresponding point position on programmable logic controller (PLC) (PLC) and the corresponding control cable of extraction is
The controllable keying for newly increasing additive outlets, this mode is quick, efficient, similarly, programmable logic controller (PLC) (PLC)
The cable that power supply is also drawn by conducting slip ring is provided, and programmable logic controller (PLC) (PLC) utilizes letter with signal receiving device
Number bussing technique is attached, i.e., the signal that signal receiving device is received passes to Programmable logical controller by signal bus
Device (PLC), and then unlatching and the closure of electrical ball valve are driven, so as to control the ejection position and spray volume of additive, signal is sent out
Injection device is connected also with signal bus technology with the main PLC of whole shield machine, when sending finger to the covering device in operating room
When making, command signal carries out wire transmission by main PLC, signal bus, sender unit, utilizes signal receiving device and letter
Wireless blue tooth technology between number emitter is wirelessly transferred, and then passes through signal receiving device, FPGA control again
Device (PLC) processed is delivered on each electrical ball valve, so as to control unlatching and the closure of different electrical ball valves according to each instruction.
In the control system, rotary shaft, center steering body mounting seat, cutter head panel additive outlets, additive outlets
Electrical ball valve, programmable logic controller (PLC) (PLC), signal receiving device etc. are rotated with cutterhead, and sender unit is then
It is fixed in anterior shield shield body and remains stationary as, is rotated on the inside of conducting slip ring with cutterhead, outside is then remained stationary as.It can be seen that, the shield
Structure machine is with Large Copacity center steering body additives injection structure and its control device flexibility ratio are high, integrated level is high, automaticity
Height, the need for different type shield machine can be met.
Claims (10)
1. a kind of shield machine Large Copacity center steering body additives injection structure, including mounting seat (1), rotary shaft (2), housing
(3) and a pair of bearings (4), the outer face of the rotary shaft and the inner face of the mounting seat are sealedly and fixedly connected, described to install
The outer face of seat is fixedly connected with the cutterhead of shield machine；The inner of the rotary shaft is located at the shell by bearing bracket stand described in a pair
In vivo, it is characterised in that：The axle center of the rotary shaft is provided with major diameter cavity (5), and the outer end of the major diameter cavity extends to institute
State on the outer face of rotary shaft, the inner of the major diameter cavity extends to position of the rotary shaft between bearing described in a pair
Put place；Mounting seat cavity (6) is provided with the outer end of the inner face correspondence major diameter cavity of the mounting seat, the mounting seat is empty
Chamber connects to form one with the outer end of the major diameter cavity；The inner of the housing and rotary shaft be located at bearing described in a pair it
Between part provided with major diameter hand-hole (7), the major diameter hand-hole is communicated on the inner of the major diameter cavity；
It is located at the inner side of bearing described in a pair between the housing and rotary shaft positioned at the both sides of the major diameter hand-hole and simultaneously
Part be provided with lip-type packing (8)；The mounting seat connects the mounting seat inner chamber provided with several additive holes, often
Additive injection line (9) is connected described in one outside additive hole, the additive injection line is distributed on cutter head of shield machine, and should
The outlet of additive injection line forms cutter head panel additive outlets (10).
2. shield machine according to claim 1 Large Copacity center steering body additives injection structure, it is characterised in that：Institute
The outer face for stating rotary shaft is fixedly connected with the inner face of the mounting seat, and sets O-ring seal (11) to enter in connecting hole
Row sealing；Shrouding (12) is fixedly connected on the inner face of the rotary shaft, the shrouding is contacted with the inner ring of the bearing (4).
3. shield machine according to claim 1 Large Copacity center steering body additives injection structure, it is characterised in that：Institute
The two ends for stating housing are respectively fixedly connected with front shroud (13) and back shroud (14).
4. shield machine according to claim 1 Large Copacity center steering body additives injection structure, it is characterised in that：Institute
State rotary shaft and enter line passage (16) provided with two hydraulic oil injection channels (15) and a cable.
5. shield machine according to claim 4 Large Copacity center steering body additives injection structure, it is characterised in that：Institute
Hydraulic oil injection channel both sides are stated provided with oil channel sealing (17).
6. shield machine according to claim 1 Large Copacity center steering body additives injection structure, it is characterised in that：Institute
The side for stating the remote major diameter hand-hole of lip-type packing is communicated to the lip provided with seal grease injection channel (18)
Sealing ring.
7. a kind of control of Large Copacity center steering body additives injection structure of shield machine according to claim 1 to 6
System, it is characterised in that：Including programmable logic controller (PLC) (20), signal receiving device (21), sender unit (22), lead
Electric slip ring (23) and several additive outlets electrical ball valves (19), several described additive outlets electrical ball valves are set respectively
It is located in each additive injection line on the inside of the cutter head panel additive outlets, the conducting slip ring is fixed on described
On the inner face of rotary shaft, the conducting slip ring passes through several additive outlets electrical ball valves of cable connection and FPGA control
Device processed thinks that it is powered；The programmable logic controller (PLC) and the signal receiving device are fixed on the anterior shield cutterhead of shield machine
On, the sender unit is fixed on the anterior shield dividing plate of shield machine；The sender unit and signal receiving device it
Between pass through wireless telecommunications and carry out signal transmission, the sender unit is passed with the master controller in indoor shield machine operating room to be believed
Connection, and the state signaled can be included on the display screen of shield machine operating room in real time；The signal receives dress
Put and electrically connected with the programmable logic controller (PLC), and the programmable logic controller (PLC) is given by the signal transmission of reception；It is described
Programmable logic controller (PLC) is electrically connected with additive outlets electrical ball valve several described, and controls several described additives to go out
The opening and closing of mouth electrical ball valve.
8. the shield machine according to claim 7 control system of Large Copacity center steering body additives injection structure, its
It is characterised by：Between the sender unit and signal receiving device two-way signaling transmission is carried out by wireless telecommunications.
9. the shield machine according to claim 8 control system of Large Copacity center steering body additives injection structure, its
It is characterised by：Two-way signaling transmission is carried out by bluetooth between the sender unit and signal receiving device.
10. the shield machine according to claim 8 control system of Large Copacity center steering body additives injection structure, its
It is characterised by：The master controller sends command signal to the sender unit, and the sender unit believes the instruction
Number by radioing to signal receiving device, the command signal of reception is transferred to FPGA by the signal receiving device again
Controller, the programmable logic controller (PLC) is big by the opening and closing and opening for controlling several additive outlets electrical ball valves
Small injection rate and injection zone to control additive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394553.0U CN206329341U (en) | 2016-12-19 | 2016-12-19 | Shield machine Large Copacity center steering body additives injection structure and its control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394553.0U CN206329341U (en) | 2016-12-19 | 2016-12-19 | Shield machine Large Copacity center steering body additives injection structure and its control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206329341U true CN206329341U (en) | 2017-07-14 |
Family
ID=59290740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621394553.0U Withdrawn - After Issue CN206329341U (en) | 2016-12-19 | 2016-12-19 | Shield machine Large Copacity center steering body additives injection structure and its control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206329341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499402A (en) * | 2016-12-19 | 2017-03-15 | 江苏凯宫隧道机械有限公司 | Shield machine Large Copacity center steering body additives injection structure and its control system |
-
2016
- 2016-12-19 CN CN201621394553.0U patent/CN206329341U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499402A (en) * | 2016-12-19 | 2017-03-15 | 江苏凯宫隧道机械有限公司 | Shield machine Large Copacity center steering body additives injection structure and its control system |
| CN106499402B (en) * | 2016-12-19 | 2018-12-25 | 江苏凯宫隧道机械有限公司 | Shield machine large capacity center steering body additives injection structure and its control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170714 Effective date of abandoning: 20181225 |
|
| AV01 | Patent right actively abandoned |