CN208650855U - A kind of shield machine sealing grease filling system - Google Patents
A kind of shield machine sealing grease filling system Download PDFInfo
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- CN208650855U CN208650855U CN201821537232.0U CN201821537232U CN208650855U CN 208650855 U CN208650855 U CN 208650855U CN 201821537232 U CN201821537232 U CN 201821537232U CN 208650855 U CN208650855 U CN 208650855U
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- platen
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- shield machine
- valve
- filling system
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Abstract
The utility model discloses a kind of shield machines to seal grease filling system, is related to shield machine accessory technical field.Shield machine sealing grease filling system includes oil supply unit, the adjusting unit for adjusting seal grease conveying capacity for conveying lubrication seal grease, and the control unit for lifting device.The platen being adapted in system with oil drum is equipped with double-tube type sealing ring, and platen is externally provided with the gantry of the oil drum for placing material, and gantry drives lifting by two symmetrically arranged cylinders.It adjusts unit to be located between air inlet pipeline and high-pressure pneumatic pump, high-pressure pneumatic pumps the sealing surface for being connected to platen as oil supply unit, and the exhaust valve for discharging air in sealing surface is additionally provided on platen.
Description
Technical field
The utility model relates to shield machine accessory technical fields, seal grease filling system more particularly to a kind of shield machine.
Background technique
Shield machine is a kind of rock tunnel(ling) machine using shield method.The construction method of shield is development machine structure while driving
The supportive section of jurisdiction in (laying) tunnel is built, it is different from open type construction method (i.e. rock tunnel(ling) machine).
Shield machine is generally divided into hand pick formula shield, compression concrete side wall, semi-machine formula shield (local gas according to working principle
Pressure, global air pressure), mechanical shield (open chest cuts shield, vapour-pressure type shield, Slurry Shield, earth pressure balanced shield, EPBS,
Mixed type shield, special-shaped shield).
With shield method machinery carries out tunnel construction with high degree of automation, save manpower, speed of application fastly, once at
It can control surface subsidence when hole, weatherproof, excavation, reduce the influence to above ground structure and excavate Shi Buying under water
The features such as ringing traffic above-ground, tunnel line is longer, in the biggish situation of buried depth, with shield machine construction more economical rationality.
Tail sealing is filling slurries, the mud on digging face of the soil sand of surrounding formation, underground water and behind in order to prevent
Water, soil flow to shield digging cabin from gap of the shield tail and the seal approach that is arranged.To slurry shield, tail sealing device of shield is especially heavy
It wants.Because shield outer wall be full of pressure muddy water, once sealing device damage or poor sealing, pressure muddy water will out of shield tail with
Lining Ring junction pours in shield, operate shield can not.
There are many tail sealing form.Tail seals the combination usually using wire brush, chemglaze or both.Tail sealing property
Quality is affected to the splicing accuracy of section of jurisdiction, usually requires that even if bias easily occurs in the sections of jurisdiction such as dislocation and curvilinear portion
Under occasion, it is also necessary to guarantee the quality of tail envelope.
Pneumatic greasing sealing system is mainly used in tail sealing, is installed on shield driving body tail inner side, is located at shield
Between tail and section of jurisdiction, be for prevent the soil sand of surrounding formation, underground water, behind injection slurries, the muddy water on digging face, soil from
Gap between shield tail and section of jurisdiction flows to the encapsulation measure being arranged in shield.Tail sealing is usually using three row's stainless steel steel wires
Brush, and inject shield tail sealant between wire brush and filled in real time, to reach excellent sealing effect.
Currently, the Chinese patent of Patent No. CN105019910A discloses a kind of tail sealing device of shield and shield machine,
Connector including elastic packing capsule and with the connected setting in one end of the elastic packing capsule；The connector is detachably connected
On the inner wall of the shield tail shell of shield machine；Fluid charge and discharge mouth is offered on the elastic packing capsule, the elastic packing capsule is filled out
After filling pressurized fluid, working face is abutted against with the inner wall of the shield tail shell and section of jurisdiction respectively.
The connector of this tail sealing device of shield is detachably connected on the inner wall of shield tail shell of shield machine, is convenient for shield
The replacement of tail sealing device, but when filling seals fluid, grease input quantity is difficult to control, and is not easy to brush the oil of even input
Rouge, there are the danger of shield tail spillage, it is possible to cause surface subsidence serious, underground water flows into the serious consequence in tunnel.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of shield machine sealing grease filling system.
Technical effect: pressure oscillation is small when conveying grease, and plastic emitting is continuous, and motion process is smeared uniformly, subtracted without dead point, grease
A possibility that few shield tail spillage, and it is suitable for various high viscosity stop-leak compounds and sealant, it can prevent emptying phenomenon from generating, moreover it is possible to
Maximum pressure enough convenient for operator's regulating system operating pressure and when pump work is set, during overall operation noise compared with
It is small.
The technical solution that the utility model further limits is: a kind of shield machine sealing grease filling system, including for conveying
Lubricate oil supply unit, the adjusting unit for adjusting seal grease conveying capacity of seal grease, and the control for lifting device
Unit processed.The platen being adapted in system with oil drum is equipped with double-tube type sealing ring, and platen is externally provided with the oil drum for placing material
Gantry, gantry drives lifting by two symmetrically arranged cylinders.Adjusting unit is located at air inlet pipeline and high-pressure pneumatic pumps it
Between, high-pressure pneumatic pumps the sealing surface that platen is connected to as oil supply unit, is additionally provided on platen for discharging air in sealing surface
Exhaust valve.
Further, safety valve is communicated on high-pressure pneumatic pump.
A kind of preceding shield machine seals grease filling system, and intake-air throttle valve, high-pressure pneumatic pump are equipped with outside two cylinders
And the pressure reducing valve for adjusting air pressure is equipped in the gas circuit of cylinder.
A kind of preceding shield machine seals grease filling system, is communicated with 3-position 4-way rotary valve in the gas circuit of cylinder, and three four
Logical rotary valve is externally provided with muffler.
A kind of preceding shield machine seals grease filling system, and high-pressure pneumatic, which pumps, is equipped with pressure gauge, on the pipeline of pressure gauge
It is communicated with overflow valve and pressure sensor, check valve is equipped between pressure gauge and high-pressure pneumatic pump, pressure gauge and check valve exist
Pipeline on pass through high-pressure ball valve control.
A kind of preceding shield machine seals grease filling system, and air inlet pipeline is equipped with the air filter for being connected to each air admission unit
Device, oil sprayer.
A kind of preceding shield machine seals grease filling system, is connected between gantry and platen by column, and column is equipped with
High-pressure pneumatic pumps bracket, and the travel switch for monitoring oil drum slippage is additionally provided on column.
The beneficial effects of the utility model are:
(1) the utility model is pumped using high-pressure pneumatic, and performance is brilliant, and pressure oscillation is small, and plastic emitting is continuous, and motion process is without dead
A possibility that point, the input quantity of easily controllable grease simultaneously brush even grease, reduce shield tail spillage, reduction surface subsidence is serious, underground
A possibility that serious consequence that water flows into tunnel occurs；
(2) the utility model pressure ratio reaches 55:1, maximum stream flow 9.5L/min, is suitable for various high viscosity stop-leak compounds and close
Sealing；
(3) the utility model passes through the cooperation of check valve, vent valve, pressure reducing valve and safety valve, can prevent high-pressure pneumatic
The generation of emptying phenomenon in pump, additionally it is possible to be pumped according to the feedback regulation high-pressure pneumatic of pressure sensor and pressure gauge；
(4) operating pressure of the utility model total system is adjustable, and maximum pressure when pump work can be arranged, additionally it is possible to
The movement velocity for adjusting cylinder facilitates using and adjusting for operator, system overall work to control the lifting speed of column
High safety and reliability；
(5) Tthe utility model system is integrally easy to use, mobility is good, easy to maintenance, making an uproar when can reduce flat raft gas
Sound can also be removed the granulometric impurity in air by air filter before conveying gas.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Wherein: 1, air filter；2, oil sprayer；3, pressure reducing valve；4, muffler；5,3-position 4-way rotary valve；6, intake-air throttle valve；
7, platen；71, double-tube type sealing ring；8, cylinder；9, exhaust valve；10, high-pressure pneumatic pumps；11, travel switch；12, gantry；13,
Overflow valve；14, pressure sensor；15, high-pressure ball valve；16, pressure gauge；17, check valve；18, vent valve；19, air inlet ball valve；
20, safety valve；22, column；23, high-pressure pneumatic pumps bracket.
Specific embodiment
A kind of shield machine provided in this embodiment seals grease filling system, and structure is as shown in Figure 1 comprising for conveying lubrication
The oil supply unit of seal grease, the adjusting unit for adjusting seal grease conveying capacity, and the control list for lifting device
Member.
System includes the platen 7 being adapted to oil drum, is arranged with double-tube type sealing ring 71 outside platen 7, platen 7, which is externally provided with, to be used for
Place the gantry 12 of the oil drum of material, gantry 12 drives lifting by two symmetrically arranged cylinders 8, gantry 12 and platen 7 it
Between connected by column 22, column 22 is equipped with high-pressure pneumatic and pumps bracket 23, for fixing high-pressure pneumatic pump, also sets on column 22
There is the travel switch 11 for monitoring oil drum slippage.
It adjusts unit to be located between air inlet pipeline and high-pressure pneumatic pump 10, high-pressure pneumatic, which pumps, is equipped with air inlet ball at 10 air inlets
Valve 19, air inlet pipeline are equipped with air filter 1, oil sprayer 2 and the pressure reducing valve 3 for being connected to each air admission unit.It is all provided with outside two cylinders 8
There is an intake-air throttle valve 6, the pressure reducing valve 3 for adjusting air pressure, cylinder 8 are equipped in the gas circuit of high-pressure pneumatic pump 10 and cylinder 8
Gas circuit on be communicated with 3-position 4-way rotary valve 5,3-position 4-way rotary valve 5 is externally provided with muffler 4.
High-pressure pneumatic pump 10 is equipped with pressure gauge 16, is communicated with overflow valve 13 and pressure sensor on the pipeline of pressure gauge 16
14, it is equipped with check valve 17 between pressure gauge 16 and high-pressure pneumatic pump 10, passes through on pipeline existing for pressure gauge 16 and check valve 17
High-pressure ball valve 15 controls.
When installation, operator first closes the air inlet ball valve 19 on the air inlet ball valve 19 and platen 7 of high-pressure pneumatic pump 10, beats
The air inlet ball valve 19 for opening air filter 1, the left side of oil sprayer 2, is placed in " rising " position for 5 handle of 3-position 4-way rotary valve, allows 8 liters of cylinder
To top.Then platen 7 is sealed and coats the lubricant adaptable with to pump fluid.
It unloads oil drum cap and smoothes out flow surface.Then the oil drum of fully loaded grease is placed in gantry system, by its to
At pusher to the positioning of oil drum, and to good center under platen 7.The exhaust valve 9 on platen 7 is opened, then by 3-position 4-way rotary valve 5
It is placed in " decline " position, slowly falls column 22, until grease of emerging at the top of 9 port of exhaust valve, finally turns 3-position 4-way
Valve 5 is placed in horizontal position, and closes exhaust valve 9.
When replacing oil drum, after travel switch 11 acts, the intake valve of high-pressure pneumatic pump 10 is closed, high-pressure pneumatic pump 10 stops
Work.The air filter 1 on platen 7 is opened, while 3-position 4-way rotary valve 5 is placed in " rising " position, rises platen 7 until platen
7 exit oil drum completely.
The air filter 1 being then shut off on platen 7 is parked in top to column 22,3-position 4-way rotary valve 5 is placed in middle position.It unloads
Lower sky oil drum.Check that full oil drum is placed on 22 pedestal of column, falls after confirmation double-tube type sealing ring 71 is intact by platen 7
Column 22, and the relative position of column 22 Yu platen 7 is adjusted, repeat above-mentioned installation steps.
In addition to the implementation, the utility model can also have other embodiments；It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.
Claims (7)
1. a kind of shield machine seals grease filling system, it is characterised in that: including the oil supply unit for conveying lubrication seal grease, use
In the adjusting unit for adjusting seal grease conveying capacity, and for the control unit of lifting means, system includes and material oil drum
The platen (7) of adaptation, platen (7) are arranged with double-tube type sealing ring (71) outside, and platen (7) is externally provided with the oil drum for placing material
Gantry (12), gantry (12) drives lifting by two symmetrically arranged cylinders (8), adjusts unit and be located at air inlet pipeline and height
It presses between air driven pump (10), high-pressure pneumatic pump (10) is connected to the sealing surface of platen (7) as oil supply unit, goes back on platen (7)
Equipped with the exhaust valve (9) for discharging air in sealing surface.
2. a kind of shield machine according to claim 1 seals grease filling system, it is characterised in that: the high-pressure pneumatic pumps (10)
On be communicated with safety valve (20).
3. a kind of shield machine according to claim 2 seals grease filling system, it is characterised in that: two cylinders (8) are outside
It is equipped with intake-air throttle valve (6), the decompression for adjusting air pressure is equipped in the gas circuit of high-pressure pneumatic pump (10) and cylinder (8)
Valve (3).
4. a kind of shield machine according to claim 3 seals grease filling system, it is characterised in that: the gas circuit of the cylinder (8)
On be communicated with 3-position 4-way rotary valve (5), 3-position 4-way rotary valve (5) is externally provided with muffler (4).
5. a kind of shield machine according to claim 1 seals grease filling system, it is characterised in that: the high-pressure pneumatic pumps (10)
It is equipped with pressure gauge (16), is communicated with overflow valve (13) and pressure sensor (14), pressure gauge on the pipeline of pressure gauge (16)
(16) check valve (17) are equipped between high-pressure pneumatic pump (10), passed through on pipeline existing for pressure gauge (16) and check valve (17)
High-pressure ball valve (15) control.
6. a kind of shield machine according to claim 1 seals grease filling system, it is characterised in that: the air inlet pipeline is equipped with
It is connected to air filter (1), the oil sprayer (2) of each air admission unit.
7. a kind of shield machine according to claim 1 seals grease filling system, it is characterised in that: the gantry (12) and platen
(7) it being connected between by column (22), column (22) is equipped with high-pressure pneumatic pump bracket (23), for fixing high-pressure pneumatic pump,
The travel switch (11) for monitoring oil drum slippage is additionally provided on column (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821537232.0U CN208650855U (en) | 2018-09-19 | 2018-09-19 | A kind of shield machine sealing grease filling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821537232.0U CN208650855U (en) | 2018-09-19 | 2018-09-19 | A kind of shield machine sealing grease filling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208650855U true CN208650855U (en) | 2019-03-26 |
Family
ID=65793048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821537232.0U Active CN208650855U (en) | 2018-09-19 | 2018-09-19 | A kind of shield machine sealing grease filling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208650855U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102444A (en) * | 2019-06-10 | 2019-08-09 | 西安凯丰铁路机电设备有限公司 | Steel rail wear-reducing film forming paste coating equipment |
| CN112644948A (en) * | 2020-12-24 | 2021-04-13 | 无锡市昌顺科技有限公司 | Even equipment that adds of grease for feed production |
| CN112973233A (en) * | 2021-04-06 | 2021-06-18 | 无锡兆庭自动化设备有限公司 | Industrial grease filter |
-
2018
- 2018-09-19 CN CN201821537232.0U patent/CN208650855U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102444A (en) * | 2019-06-10 | 2019-08-09 | 西安凯丰铁路机电设备有限公司 | Steel rail wear-reducing film forming paste coating equipment |
| CN112644948A (en) * | 2020-12-24 | 2021-04-13 | 无锡市昌顺科技有限公司 | Even equipment that adds of grease for feed production |
| CN112973233A (en) * | 2021-04-06 | 2021-06-18 | 无锡兆庭自动化设备有限公司 | Industrial grease filter |
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