CN106703841B - A kind of pipe jacking tunnel is into water stop device for opening - Google Patents
A kind of pipe jacking tunnel is into water stop device for opening Download PDFInfo
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- CN106703841B CN106703841B CN201510777665.8A CN201510777665A CN106703841B CN 106703841 B CN106703841 B CN 106703841B CN 201510777665 A CN201510777665 A CN 201510777665A CN 106703841 B CN106703841 B CN 106703841B
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- seal ring
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Abstract
The present invention relates to a kind of pipe jacking tunnels into water stop device for opening, including being fixed at pipe jacking tunnel into the inflating rubber seal ring mounting groove on the borehole wall at hole, the flexible gas-filled rubber O-ring seal that is arranged in the inflating rubber seal ring mounting groove, the gas-guide tube for connecting the inflating rubber seal ring and ground air pressure pump is additionally provided on the inflating rubber seal ring mounting groove, in the deflated condition, it is close on the outside of the inflating rubber seal ring with hole mounting groove bottom, inside is close to the outer surface of tube coupling；Meanwhile the gas-guide tube connection air pressure of inflating rubber seal ring is automatically kept and prior-warning device, water makes rubber stop the air pressure in ring to be maintained at service pressure range, inflation ring occurs and galls automatic alarm when the abnormal phenomenon such as losing heart.The present invention has many advantages, such as good sealing reliability and wear-resistant, suitable for the sections pipe jacking tunnels such as round and rectangle constructions into hole hermetic seal.
Description
Technical field
The present invention relates to a kind of pipe jacking tunnels into water stop device for opening, and this method can be applied to power engineering, municipal works,
The fields such as hydraulic engineering, traffic engineering.
Background technique
Push bench process is as a kind of non-excavating construction method, since it is small on urban transportation and Environmental security influence, technology is first
High, the more low outstanding advantage of construction cost into, effect is widely used among Urban Underground Space Excavation construction.In push pipe work
Cheng Zhong, to make the smooth jacking of pipe energy-saving, work the borehole wall on reserved opening, it is more somewhat larger than tube coupling outer diameter into hole, hole week with
There is certain interval between tube coupling outer surface, when jacking construction will reinforce the soil body in a certain range of hole, while also need
It adopts an effective measure and sealing is sealed to hole, prevent silt particle and lubrication slurries from flowing out from hole gap.Otherwise, it will increase and push up
Thrust drag increases power consumption, increases construction cost, and can lead to underground water and silt particle is gushed out, causes ground settlement, to week
Side building and pipeline road threaten, in some instances it may even be possible to cause safety accident.Therefore, the hermetic seal at hole is jacking construction
It cannot be neglected important link in the process.Currently, generalling use rubber door curtain to push pipe hole carries out sealing, the water-stopping method
Water-stagnating effect is not satisfactory, also often fails because of abrasion in long range jack-in process, and generally only limits the use of in normal pressure soil layer
Situation.
Summary of the invention
That the purpose of the present invention is to provide a kind of structures is simple, water-stagnating effect is good, reliable and durable, and is applicable in sealing pressure
The wide pipe jacking tunnel of range is into water stop device for opening.
The technical scheme is that
A kind of pipe jacking tunnel is into water stop device for opening, including being fixed at pipe jacking tunnel into the inflation on the borehole wall at hole
Rubber O-ring seal mounting groove, the flexible gas-filled rubber O-ring seal being arranged in the inflating rubber seal ring mounting groove, it is described to fill
It is additionally provided with the gas-guide tube for connecting the inflating rubber seal ring and ground air pressure pump on gas rubber O-ring seal mounting groove, is inflating
Under state, it is close on the outside of the inflating rubber seal ring with hole mounting groove bottom, inside is close to the outer surface of tube coupling.
This programme pacifies outside after the inflating rubber sealing annular strain with hole by inflating to inflating rubber seal ring
Tankage bottom is close to, and the outer surface moment of inside and tube coupling is held against, and has the function that hole hermetic seal, in this way, on the one hand
Can prevent underground water and silt particle from gushing out causes ground to collapse, and guarantees construction safety, while preventing the drag reduction injected when jacking construction
Mud loss guarantees to form complete effective mud sleeve, achievees the purpose that lubrication drag reduction；On the other hand, facilitate to pass through
Inflating rubber seal ring adjusts tube coupling to hole center and has certain guiding role, reduces tube coupling radial deflection, also
The abrasion that the sealing elements such as rubber water-proof flange can be reduced overcomes and fails because of abrasion in prior art long range jack-in process
Defect can be also used for very firming layer situation in addition to being applied to normal pressure soil layer environment.
Further, the shape of the inflating rubber seal ring mounting groove and the transverse shape of tube coupling match, such as circle
The specially-shaped annulars such as cyclic annular or rectangle can adapt to stopping into hole sealing for the sections pipe jacking tunnels such as round and rectangle construction extensively
Water demand.
Further, the inflating rubber seal ring mounting groove is fixed on top by installation bolt or high-strength adhesive stickup
It is quick and easy for installation on the borehole wall of pipe tunnel mouth.
Further, the lubricant injection pipe of several belt switches is additionally provided in the inflating rubber seal ring mounting groove,
The lubricant injection pipe is circumferentially distributed along the inflating rubber seal ring mounting groove, and is close to the inflating rubber seal ring
Mounting groove inner sidewall is radially extended to close to tube coupling outer surface, is infused by the lubricant injection pipe to tube coupling outer surface
Enter lubricant, can effectively reduce the frictional force between inflating rubber seal ring and tube coupling contact surface, reduce it is fixed into resistance while,
It also can be reduced the abrasion of inflating rubber seal ring, improve the service life of inflating rubber seal ring.
Further, it is provided in the gap between the inflating rubber seal ring mounting groove lateral wall and tube coupling outer surface
L-type sealing ring sealing for preventing injection lubricant from leaking out, can not only reinforce hole sealing effect, moreover it is possible to improve lubricant
Service efficiency, reduce unnecessary loss.
Further, the inner surface that the inflating rubber seal ring is contacted with tube coupling is pasted with the wear-resisting bed course such as nylon,
The wear-resisting bed course such as nylon further protects inflating rubber sealing ring surface, and the wearability of inflating rubber seal ring is prevented from wearing, be mentioned
High service life.
Further, air pressure is provided on the gas-guide tube to automatically keep and prior-warning device, the air pressure automatically keep and
Prior-warning device includes the composition such as baroceptor, solenoid valve, buzzer and pressure controller, for filling to inflating rubber seal ring
The air pressure of air cavity is monitored, when baroceptor detects that air pressure is lower than the operating pressure of setting in inflating rubber seal ring
When, pressure controller issues signal enabling air pressure pump and opens solenoid valve is inflated into inflating rubber seal ring, reaches setting work
Stop inflation after making pressure, solenoid valve is closed；When air pressure occurs making air pressure because of rupture or system gas leakage in inflating rubber seal ring
When can not inflate rise, air pressure more than safe pressure, buzzer will issue alarm signal, realize automatic to inflating rubber seal ring
Change real time monitoring, guarantees the reliability and safety of construction.
It further, further include being fixed at pipe jacking tunnel between the hole borehole wall and inflating rubber seal ring mounting groove
Curtain-type rubber flange sealing collar, further increase water-stagnating effect.
The present invention has the following characteristics that compared with existing pipe jacking tunnel is into water stop device for opening
1) present invention increases inflating rubber sealing loop technique on the basis of existing curtain-type is into hole water-stop technology,
Significantly improve push pipe into hole water-stagnating effect.
2) inflating rubber seal ring of the invention can be disappeared by the contact condition of inflation deformation adjustment itself and tube coupling outer surface
Except the gap generated due to the out-of-flatness of tube coupling outer surface, rubber ring abrasion, sealing reliability is significantly improved.
3) inflating rubber seal ring facilitates to adjust tube coupling to hole center in inflated condition and have certain
Guiding role reduces tube coupling radial deflection, can also reduce the abrasion of the sealing elements such as rubber water-proof flange；In inflating rubber seal ring
The nylon lining that inner surface is pasted has excellent abrasive resistance.Therefore, the durability of this antipriming is high.Meanwhile inflating rubber
The main components such as seal ring and its mounting bracket may be reused.
4) shape of antipriming of the present invention and push pipe section configuration are adapted, and are the specially-shaped annulars such as circular or rectangle,
Can be applied to the sections pipe jacking tunnels such as round and rectangle into entrance construction hermetic seal.
5) air pressure is installed to automatically keep and prior-warning device on rubber O-ring seal gas-guide tube, to the safe condition of waterstop sealing
It is monitored, guarantees that the air pressure in rubber O-ring seal is maintained at service pressure range；When air pressure occurs as only in seal ring
When water ring rupture or system gas leakage make air pressure that can not inflate rise or air pressure more than abnormal phenomenon such as safe pressures, it will report automatically
It is alert.
6) lubricants such as butter are injected between tube coupling and inflating rubber seal ring, reduce its appearance in tube coupling jack-in process
It is worn in face of inflating rubber seal ring, and enhances hole sealing effect.
Detailed description of the invention
Fig. 1 is partial cutaway schematic of the pipe jacking tunnel into water stop device for opening embodiment one.
Fig. 2 is right side view of the pipe jacking tunnel into water stop device for opening embodiment one.
Fig. 3 is partial cutaway schematic of the pipe jacking tunnel into water stop device for opening embodiment two.
Fig. 4 is right side view of the pipe jacking tunnel into water stop device for opening embodiment two.
As shown in the figure are as follows: the pre-buried mounting flange of 1-, 2- curtain-type rubber flange sealing collar, the installation of 3- inflating rubber seal ring
Slot, 4- install bolt, and 5- inflating rubber seal ring, the wear-resisting lining such as 6- nylon, 7- air pressure is automatically kept and prior-warning device, and 8- is led
Tracheae, 9- lubricant injection pipe, the 10- borehole wall, 11- tube coupling, 12- lubricant, 13-L type sealing ring；14- soil layer.
Specific embodiment
In order in detail and clearly illustrate the present invention purpose and technical solution implemented, below in conjunction with attached drawing and example pair
The present invention is described in further details.The example is only used to illustrate the present invention, is not whole examples of the invention, and unlimited
The scope of protection of the invention processed.
Embodiment one
As shown in Figure 1 and Figure 2, a kind of pipe jacking tunnel is into water stop device for opening, including is fixed at pipe jacking tunnel
Into on the borehole wall 10 at hole inflating rubber seal ring mounting groove 3, be arranged in it is soft in the inflating rubber seal ring mounting groove 3
Property inflating rubber seal ring 5, be additionally provided with the connection inflating rubber seal ring 5 on the inflating rubber seal ring mounting groove 3
With the gas-guide tube 8 of ground air pressure pump, 11 cross section of tube coupling of the present embodiment is circular ring shape, outer diameter 2980mm, hole diameter
The shape and the transverse shape phase of tube coupling 11 of 3020mm, the inflating rubber seal ring mounting groove 3 and inflating rubber seal ring 5
Matching, for annular shape.
Hole is provided with pre-buried mounting flange 1, curtain-type rubber flange sealing collar 2, and inflating rubber seal ring mounting groove 3 is logical
It crosses installation bolt 4 to be fixed on pre-buried mounting flange 1, the pre-buried mounting flange 1, curtain-type rubber flange sealing collar 2, inflation
Rubber O-ring seal mounting groove 3, inflating rubber seal ring 5 collectively constitute pipe jacking tunnel into the water-stopping system at hole, in inflated condition
Under, 5 outside of inflating rubber seal ring is close to hole mounting groove bottom, and inside is close to the outer surface of tube coupling 11.
The present embodiment to inflating rubber seal ring 5 by inflating, outside and hole after deforming the inflating rubber seal ring 5
Mouthful mounting groove bottom is close to, and inside and the outer surface moment of tube coupling 11 are held against, and has the function that hole hermetic seal, while gram
The defect to fail in prior art long range jack-in process by abrasion has been taken, it, can be in addition to being applied to normal pressure soil layer environment
For very firming layer situation.
The lubricant injection pipe 9 of several belt switches, the lubrication are additionally provided in the inflating rubber seal ring mounting groove 3
Agent injection pipe 9 is uniformly distributed along the circumferential direction of the inflating rubber seal ring mounting groove 3, and is close to the inflating rubber seal ring peace
3 inner sidewall of tankage is radially extended to close to 11 outer surface of tube coupling, by the lubricant injection pipe 9 to 11 outer surface of tube coupling
Place's injection lubricant, can effectively reduce the frictional force between 11 contact surface of inflating rubber seal ring 5 and tube coupling, and it is fixed into resistance to reduce
While, moreover it is possible to the abrasion of inflating rubber seal ring 5 is reduced, the service life of inflating rubber seal ring 5 is improved.
It is provided in gap between 3 lateral wall of inflating rubber seal ring mounting groove and 11 outer surface of tube coupling for preventing
The only L-type sealing ring sealing 13 that injection lubricant leaks out, improves the service efficiency of lubricant, reduces unnecessary loss.
The inner surface that the inflating rubber seal ring 5 is contacted with tube coupling 11 is pasted with the wear-resisting bed course 6 such as nylon, nylon etc.
Wear-resisting bed course further protects 5 surface of inflating rubber seal ring, prevents from wearing, improve service life.
It is provided with air pressure on the gas-guide tube 8 to automatically keep and prior-warning device, the air pressure is automatically kept and prior-warning device
It is formed including baroceptor, solenoid valve, buzzer and pressure controller etc., for 5 inflatable chamber of inflating rubber seal ring
Air pressure is monitored, when baroceptor detects that air pressure is lower than the operating pressure set in inflating rubber seal ring 5, pressure
Controller issues signal enabling air pressure pump and opens solenoid valve is inflated into inflating rubber seal ring 5, reaches setting operating pressure
Stop inflation afterwards, solenoid valve is closed；When air pressure occurs filling air pressure can not because of rupture or system gas leakage in inflating rubber seal ring 5
When gas gos up, air pressure is more than safe pressure, buzzer will issue alarm signal, and realization automates reality to inflating rubber seal ring 5
When monitor, guarantee construction reliability and safety.
The work progress of the present embodiment is as follows:
In hole calibration position, pre- embedded mounting flange 1 → fixation curtain-type rubber flange sealing collar 2 and inflating rubber stop
Water ring mounting groove 3 and with installation bolt 4 be anchored on pre-buried mounting flange 1 → by inflating rubber seal ring 5 be placed on inflation rubber
→ push pipe head and tube coupling 11 are in place → installation air pressure is automatically kept and prior-warning device 7 → to inflation in glue seal ring mounting groove 3
Rubber O-ring seal 5 in advance inflation 0.5 atmospheric pressure make its open → chisel hole → head and tube coupling 11 jackings → handpiece case with
After inflating rubber seal ring 5 contacts, air pressure increases to the operating pressure → injection butter lubricant lubricating → tube coupling of 3 atmospheric pressure in ring
Jacking is until gap between the borehole wall and tube coupling is closed in final section tube coupling → dismounting water stop device for opening → slip casting.
The antipriming of the present embodiment is provided with inflating rubber seal ring 5, and inflating rubber seal ring 5 is arranged in inflating rubber
In seal ring mounting groove 3, and it is connect by gas-guide tube 8 with ground air pressure pump；In the deflated condition, outside inflating rubber seal ring 5
Side is close to mounting groove bottom, and inside is close to the outer surface of tube coupling 11；Inflating rubber seal ring mounting groove 3 passes through installation bolt handle
Inflating rubber seal ring 5 is fixed on the borehole wall 10 that pipe jacking tunnel enters at hole, right together with curtain-type rubber flange sealing collar 2
Pipe jacking tunnel enters hole and is sealed；Butter is injected in tube coupling and hole gap simultaneously, can not only reinforce hole sealing effect,
Lubrication tube coupling outer surface can also be played simultaneously, mill of the tube coupling outer surface to inflating rubber seal ring in reduction tube coupling jack-in process
Damage；The antipriming is suitable for the higher soil layer 14 of ground water pressure.
The inflating rubber seal ring 5 of the present embodiment, annular diameters 2970mm, outer annular diameter 3200mm, transverse cross-sectional profile are interior
Overall diameter is respectively the annulus (wall thickness 15mm) of 115mm and 85mm, in one layer of 5mm wear resistant nylon lining 6 of ring inner surface outsourcing；
The blowing pressure control that inflating rubber seal ring 5 is inflated is 3 atmospheric pressure, its inner surface is forced to be tightly attached to tube coupling outer surface,
Outer surface is tightly attached to 3 bottom surface of inflating rubber seal ring mounting groove.Cause in this way, on the one hand can prevent underground water and silt particle from gushing out
Ground collapses, and guarantees construction safety, and the drag reduction slurries injected when jacking construction is prevented to be lost, and guarantees to form complete effective profit
Sliding mud sleeve, achievees the purpose that hole waterproof and slip casting drag reduction, another aspect inflating rubber seal ring 5 is in inflated condition regulation pipe
It saves to hole center, reduces tube coupling radial deflection and that reduces sealing element crosses quick-wearing.In addition, between tube coupling 11 and hole
Gap injects butter, to reduce abrasion of the tube coupling outer surface jack-in process to inflating rubber seal ring, can also enhance hole sealing effect
Fruit.On the gas-guide tube 8 of inflating rubber seal ring 5, connection air pressure is automatically kept and prior-warning device, makes the gas in rubber O-ring seal
Pressure is maintained at service pressure range, inflation ring occurs and galls automatic alarm when the abnormal phenomenon such as losing heart.
Embodiment two
As shown in attached drawing 3 and attached drawing 4, a kind of pipe jacking tunnel is into water stop device for opening, including is fixed at pipe jacking tunnel
Into on the borehole wall 10 at hole inflating rubber seal ring mounting groove 3, be arranged in it is soft in the inflating rubber seal ring mounting groove 3
Property inflating rubber seal ring 5, be additionally provided with the connection inflating rubber seal ring 5 on the inflating rubber seal ring mounting groove 3
With the gas-guide tube 8 of ground air pressure pump, 11 cross section of tube coupling of the present embodiment is rectangle, height × width of tube coupling periphery be 3500mm ×
3000mm, wall thickness 250mm；The cross of the shape of the inflating rubber seal ring mounting groove 3 and inflating rubber seal ring 5 and tube coupling 11
Section configuration matches, and is in rectangle；The inflating rubber seal ring mounting groove 3 of rectangle and the inflating rubber seal ring 5 of rectangle are common
Form pipe jacking tunnel into hole water-stopping system, in the deflated condition, 5 outside of the inflating rubber seal ring and hole mounting groove
Bottom is close to, and inside is close to the outer surface of tube coupling 11.
The present embodiment to inflating rubber seal ring 5 by inflating, outside and hole after deforming the inflating rubber seal ring 5
Mouthful mounting groove bottom is close to, and inside and the outer surface moment of tube coupling 11 are held against, and has the function that hole hermetic seal, while gram
The defect to fail in prior art long range jack-in process by abrasion has been taken, it, can be in addition to being applied to normal pressure soil layer environment
For very firming layer situation.
The lubricant injection pipe 9 of several belt switches, the lubrication are additionally provided in the inflating rubber seal ring mounting groove 3
Agent injection pipe 9 is uniformly distributed along the circumferential direction of the inflating rubber seal ring mounting groove 3, and is close to the inflating rubber seal ring peace
3 inner sidewall of tankage is radially extended to close to 11 outer surface of tube coupling, by the lubricant injection pipe 9 to 11 outer surface of tube coupling
Place's injection lubricant, can effectively reduce the frictional force between 11 contact surface of inflating rubber seal ring 5 and tube coupling, and it is fixed into resistance to reduce
While, moreover it is possible to the abrasion of inflating rubber seal ring 5 is reduced, the service life of inflating rubber seal ring 5 is improved.
It is provided in gap between 3 lateral wall of inflating rubber seal ring mounting groove and 11 outer surface of tube coupling for preventing
The only L-type sealing ring sealing 13 that injection lubricant leaks out, improves the service efficiency of lubricant, reduces unnecessary loss.
The inner surface that the inflating rubber seal ring 5 is contacted with tube coupling 11 is pasted with the wear-resisting bed course 6 such as nylon, nylon etc.
Wear-resisting bed course further protects 5 surface of inflating rubber seal ring, prevents from wearing, improve service life.
It is provided with air pressure on the gas-guide tube 8 to automatically keep and prior-warning device, the air pressure is automatically kept and prior-warning device
It is formed including baroceptor, solenoid valve, buzzer and pressure controller etc., for 5 inflatable chamber of inflating rubber seal ring
Air pressure is monitored, when baroceptor detects that air pressure is lower than the operating pressure set in inflating rubber seal ring 5, pressure
Controller issues signal enabling air pressure pump and opens solenoid valve is inflated into inflating rubber seal ring 5, reaches setting operating pressure
Stop inflation afterwards, solenoid valve is closed；When air pressure occurs filling air pressure can not because of rupture or system gas leakage in inflating rubber seal ring 5
When gas gos up, air pressure is more than safe pressure, buzzer will issue alarm signal, and realization automates reality to inflating rubber seal ring 5
When monitor, guarantee construction reliability and safety.
The work progress of the present embodiment is as follows:
The fixed rectangle in hole calibration position inflating rubber seal ring mounting groove 3 → inflating rubber seal ring 5 placed
In inflating rubber seal ring mounting groove 3 and circumnutate rectangular ring-type → push pipe head and tube coupling 11 it is in place → installation air pressure protects automatically
It holds and prior-warning device 7 → 0.5~0.7 atmospheric pressure of inflation opens it in advance to inflating rubber seal ring 5 → and chisels hole → machine
After head and 11 jackings of tube coupling → handpiece case are contacted with inflating rubber seal ring 5, air pressure increases to the work of 3 atmospheric pressure in ring
Pressure → injection butter lubricant lubricating → 11 jacking of tube coupling is until last endless tube section → dismounting water stop device for opening → slip casting closing
Gap between the borehole wall and tube coupling 11.
The antipriming of the present embodiment is provided with inflating rubber seal ring 5, and inflating rubber seal ring 5 is arranged in inflating rubber
In seal ring mounting groove 3, and it is connect by gas-guide tube 8 with ground air pressure pump；In the deflated condition, outside inflating rubber seal ring 5
Side is close to mounting groove bottom, and inside is close to the outer surface of tube coupling 11；Inflating rubber seal ring mounting groove 3 passes through installation bolt handle
Inflating rubber seal ring 5 is fixed on the borehole wall 10 that pipe jacking tunnel enters at hole, right together with curtain-type rubber flange sealing collar 2
Pipe jacking tunnel enters hole and is sealed；Butter is injected in tube coupling and hole gap simultaneously, can not only reinforce hole sealing effect,
Lubrication tube coupling outer surface can also be played simultaneously, mill of the tube coupling outer surface to inflating rubber seal ring in reduction tube coupling jack-in process
Damage；The antipriming is suitable for the higher soil layer 14 of ground water pressure.
The inflating rubber seal ring 5 of the present embodiment, is contoured to rectangular ring, outer ring height × wide=3750mm × 3250mm,
Inner ring height × wide=3490mm × 2990mm, transverse cross-sectional profile are the annulus (wall thickness that inner and outer diameter is respectively 130mm and 100mm
15mm), in one layer of 5mm wear resistant nylon lining 6 of ring inner surface outsourcing；The blowing pressure control that inflating rubber seal ring 5 is inflated
For 3 atmospheric pressure, its inner surface is forced to be tightly attached to tube coupling outer surface, outer surface is tightly attached to inflating rubber seal ring mounting groove
3 bottom surfaces.Cause ground to collapse in this way, on the one hand can prevent underground water and silt particle from gushing out, guarantees construction safety, and prevent jacking from applying
The drag reduction slurries of working hour injection are lost, and guarantee to form complete effective lubricated slurry set, reach hole waterproof and slip casting drag reduction
Purpose, another aspect inflating rubber seal ring 5 adjust tube coupling to hole center in inflated condition, reduce tube coupling radial deflection
And reduce the quick-wearing excessively of sealing element.In addition, butter is injected in tube coupling 11 and hole gap, to reduce the jacking of tube coupling outer surface
Abrasion of the journey to inflating rubber seal ring, can also enhance hole sealing effect.On the gas-guide tube 8 of inflating rubber seal ring 5, even
Connect air pressure automatically keep with prior-warning device 7, so that the air pressure in inflating rubber seal ring 5 is maintained at service pressure range, out
Existing inflation ring galls automatic alarm when the abnormal phenomenon such as losing heart.
The above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all of the invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the protection of the claims in the present invention within spirit and principle
Within the scope of.
Claims (8)
1. a kind of pipe jacking tunnel is into water stop device for opening, it is characterised in that: including being fixed at pipe jacking tunnel into the hole borehole wall
(10) flexible gas-filled of inflating rubber seal ring mounting groove (3), setting in the inflating rubber seal ring mounting groove (3) on
Rubber O-ring seal (5) is additionally provided with the connection inflating rubber seal ring (5) on the inflating rubber seal ring mounting groove (3)
With the gas-guide tube (8) of ground air pressure pump, in the deflated condition, on the outside of the inflating rubber seal ring (5) and hole mounting groove bottom
It is close to, inside keeps tight with the outer surface of the tube coupling (11) always in tube coupling (11) jack-in process with preset pressure value
Patch.
2. a kind of pipe jacking tunnel according to claim 1 is into water stop device for opening, it is characterised in that: the inflating rubber stops
The shape of water ring mounting groove (3) and inflating rubber seal ring (5) and the transverse shape of tube coupling (11) match.
3. a kind of pipe jacking tunnel according to claim 1 is into water stop device for opening, it is characterised in that: the inflating rubber stops
Water ring mounting groove (3) is fixed on pipe jacking tunnel on the borehole wall (10) at hole by installation bolt (4) or high-strength adhesive stickup.
4. a kind of pipe jacking tunnel according to claim 1 is into water stop device for opening, it is characterised in that: the inflating rubber stops
The lubricant injection pipe (9) of several belt switches is additionally provided in water ring mounting groove (3), the lubricant injection pipe (9) is along described
Inflating rubber seal ring mounting groove (3) it is circumferentially distributed, and be close to inflating rubber seal ring mounting groove (3) inner sidewall along diameter
To extending close to tube coupling (11) outer surface.
5. a kind of pipe jacking tunnel according to claim 1 is into water stop device for opening, it is characterised in that: the inflating rubber stops
It is provided in gap between water ring mounting groove (3) lateral wall and tube coupling (11) outer surface for preventing injection lubricant from leaking out
L-type sealing ring seals (13).
6. a kind of pipe jacking tunnel according to claim 1 is into water stop device for opening, it is characterised in that: the inflating rubber stops
The inner surface that water ring (5) is contacted with tube coupling (11) is pasted with the wear-resisting bed course such as nylon (6).
7. a kind of pipe jacking tunnel according to claim 1 is into water stop device for opening, it is characterised in that: the gas-guide tube (8)
On be provided with air pressure and automatically keep and prior-warning device, it includes baroceptor, electromagnetism that the air pressure, which is automatically kept with prior-warning device,
Valve, buzzer and pressure controller composition work as air pressure for being monitored to the air pressure of inflating rubber seal ring (5) inflatable chamber
When sensor detects operating pressure of inflating rubber seal ring (5) the interior air pressure lower than setting, pressure controller issues signal and opens
The inflation into inflating rubber seal ring (5) of dynamic air pressure pump and opens solenoid valve, stops inflation, electromagnetism after reaching setting operating pressure
Valve is closed；When to occur making because of rupture or system gas leakage air pressure can not inflate rise, air pressure super for the interior air pressure of inflating rubber seal ring (5)
When crossing safe pressure, buzzer will issue alarm signal.
8. a kind of pipe jacking tunnel according to claim 1 is into water stop device for opening, it is characterised in that: further include fixed setting
In pipe jacking tunnel into the curtain-type rubber flange sealing collar between the hole borehole wall (10) and inflating rubber seal ring mounting groove (3)
(2)。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510777665.8A CN106703841B (en) | 2015-11-12 | 2015-11-12 | A kind of pipe jacking tunnel is into water stop device for opening |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777665.8A CN106703841B (en) | 2015-11-12 | 2015-11-12 | A kind of pipe jacking tunnel is into water stop device for opening |
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| CN106703841A CN106703841A (en) | 2017-05-24 |
| CN106703841B true CN106703841B (en) | 2019-03-05 |
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| CN108729934B (en) * | 2018-07-06 | 2023-10-03 | 广州轨道交通建设监理有限公司 | Emergency water sealing rubber sleeve for underground space penetrated by water |
| CN109026150B (en) * | 2018-08-30 | 2020-09-15 | 上海隧道工程有限公司 | Built-in air bag sealing device and sealing method for pipe joint of tunnel connecting channel pipe jacking method |
| CN109237134A (en) * | 2018-10-19 | 2019-01-18 | 上海宝冶建筑工程有限公司 | A kind of antipriming of jacking construction |
| CN109209430A (en) * | 2018-10-19 | 2019-01-15 | 上海宝冶建筑工程有限公司 | A kind of push pipe water stop device for opening |
| CN111102945A (en) * | 2020-01-19 | 2020-05-05 | 重庆科技学院 | Device and method for detecting wall thickness of continuous oil pipe on site |
| CN112114105A (en) * | 2020-08-28 | 2020-12-22 | 生态环境部南京环境科学研究所 | Basin water ecological safety monitoring and early warning system |
| CN113482673B (en) * | 2021-07-23 | 2024-03-29 | 浙江中铁工程装备有限公司 | Pre-tightening pressurizing expansion type extra-large jacking pipe water stop device and operation method |
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| JP3074490B2 (en) * | 1991-07-10 | 2000-08-07 | 大成建設株式会社 | Starting the shield machine |
| CN102080554A (en) * | 2011-02-16 | 2011-06-01 | 长江水利委员会长江勘测规划设计研究院 | Waterproof airbag for tunnel shield to enter the hole |
| CN102588609A (en) * | 2012-03-16 | 2012-07-18 | 盾建重工制造有限公司 | Emergency tail seal device for shield machine and mounting structure thereof |
| CN203175569U (en) * | 2013-01-30 | 2013-09-04 | 中国石油天然气集团公司 | Steel tube piece tunnel portal water-proof sealing structure in shield-driven tunnel breakthrough |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3187887B2 (en) * | 1991-10-21 | 2001-07-16 | 株式会社鴻池組 | Starting shaft structure in shield method |
| JP3515696B2 (en) * | 1998-10-27 | 2004-04-05 | 鹿島建設株式会社 | Seal structure |
| JP4518295B2 (en) * | 2000-08-31 | 2010-08-04 | 株式会社金澤製作所 | Wellhead water stop device and wellhead water stop method |
| JP2002089173A (en) * | 2000-09-13 | 2002-03-27 | Ohbayashi Corp | Cut-off method in arrival shaft and starting shaft for driving machine |
| JP2005344360A (en) * | 2004-06-02 | 2005-12-15 | Taisei Corp | Arrival portal cut-off method in shield tunneling method and jacking method |
-
2015
- 2015-11-12 CN CN201510777665.8A patent/CN106703841B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3074490B2 (en) * | 1991-07-10 | 2000-08-07 | 大成建設株式会社 | Starting the shield machine |
| CN102080554A (en) * | 2011-02-16 | 2011-06-01 | 长江水利委员会长江勘测规划设计研究院 | Waterproof airbag for tunnel shield to enter the hole |
| CN102588609A (en) * | 2012-03-16 | 2012-07-18 | 盾建重工制造有限公司 | Emergency tail seal device for shield machine and mounting structure thereof |
| CN203175569U (en) * | 2013-01-30 | 2013-09-04 | 中国石油天然气集团公司 | Steel tube piece tunnel portal water-proof sealing structure in shield-driven tunnel breakthrough |
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| CN106703841A (en) | 2017-05-24 |
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