CN215804720U - Pin-connected panel entrance to a cave stagnant water device - Google Patents
Pin-connected panel entrance to a cave stagnant water device Download PDFInfo
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- CN215804720U CN215804720U CN202121438173.3U CN202121438173U CN215804720U CN 215804720 U CN215804720 U CN 215804720U CN 202121438173 U CN202121438173 U CN 202121438173U CN 215804720 U CN215804720 U CN 215804720U
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Abstract
The utility model discloses an assembled tunnel portal water stopping device, and relates to the technical field of pipe jacking construction water stopping. The device comprises a combined steel ring, a portal embedded steel ring and an auxiliary device, wherein the auxiliary device comprises a grouting device, a grease device, an inflation device and a hydraulic measurement and control device; the combined steel ring is fixedly arranged on the portal embedded steel ring; the combined steel ring is formed by assembling a plurality of special steel rings; auxiliary device all connects on the combination steel ring, and the slip casting device is used for pressing thick mud of notes to the clearance middling pressure of the pre-buried steel ring in portal and tube coupling, and the grease device is used for pressing grease of notes to the clearance middling pressure of combination steel ring and tube coupling, and aerating device is used for aerifing for inflatable stagnant water rubber ring, and hydraulic pressure measurement and control device is used for monitoring the hydraulic pressure information of thick mud and grease. The utility model adopts the assembled combined steel ring and is provided with a plurality of water stopping measures, and the combination of the auxiliary device can effectively ensure the water stopping sealing effect of the device, improve the starting and receiving safety of the push pipe and ensure the construction quality.
Description
Technical Field
The utility model relates to the technical field of pipe jacking construction water stopping, in particular to an assembled type tunnel portal water stopping device.
Background
The pipe jacking technology has the characteristics of avoiding ground traffic diversion and removal of underground pipelines, causing little disturbance to soil bodies, having little influence on urban ground environment, effectively controlling ground surface settlement, having high mechanization degree and the like in construction, and is gradually and widely applied to urban underground space development. When the pipe-jacking construction method is popularized and applied, more and more water-rich conditions cannot be avoided, particularly under the condition of high water pressure, accidents such as water gushing, sand gushing or ground subsidence easily occur in pipe-jacking construction, and the safety of surrounding buildings, structures, pipelines and roads is easily threatened. Therefore, the requirement of pipe jacking construction on the tunnel portal water stopping device is high.
The traditional tunnel portal water stop device for pipe-jacking construction mainly comprises rubber curtain cloth, a ring plate, a pressing plate, a turning plate, a fixing bolt and the like. The rubber curtain cloth is fixed on the door embedded steel ring by a fixing bolt and a pressing plate, the rubber curtain cloth is prevented from turning outwards by the turning plate, and one or two rubber curtain cloth can be arranged. In the jacking process of the pipe jacking machine and the pipe joints, the rubber curtain cloth is easily worn or even torn by the pipe joints, gaps are inevitably generated between the rubber curtain cloth and the pipe joints, and underground water can possibly leak through the gaps. The worse the soil quality of the periphery is, the higher the pressure of underground water is, and the greater the risk of water gushing and sand gushing is. Therefore, there is a need for improvement over the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an assembled tunnel portal water-stopping device which is suitable for pipe-jacking construction under a high water pressure condition and can effectively solve the problems of water gushing, sand gushing and the like which can be encountered in the pipe-jacking construction under the high water pressure condition.
In order to achieve the purpose, the utility model provides an assembled hole door water stopping device, which comprises a combined steel ring, a hole door embedded steel ring and an auxiliary device, wherein the auxiliary device comprises a grouting device, a grease device, an inflating device and a hydraulic measurement and control device: the combined steel ring is fixedly arranged on the portal embedded steel ring; the combined steel ring is formed by assembling a plurality of special steel rings, and a plurality of inflatable water-stopping rubber rings are arranged on the inner side of the combined steel ring; auxiliary device all connects on the combination steel ring, and the slip casting device is used for pressing thick mud of notes to the clearance middling pressure of the pre-buried steel ring in portal and tube coupling, and the grease device is used for pressing grease of notes to the clearance middling pressure of combination steel ring and tube coupling, and aerating device is used for aerifing for inflatable stagnant water rubber ring, and hydraulic pressure measurement and control device is used for monitoring the hydraulic pressure information of thick mud and grease.
Preferably, the portal embedded steel ring is fixedly arranged on the lining wall.
Preferably, the special steel ring is formed by splicing a plurality of inner steel plates, a plurality of groove-shaped steel plates, a front side steel plate, a rear side steel plate, a plurality of trapezoid steel plates and a plurality of connecting pieces; the inner steel plate is used for connecting the groove-shaped steel plate, the front steel plate and the rear steel plate; the height of the front side steel plate is smaller than that of the rear side steel plate; the trapezoidal steel plate and the connecting piece are vertically spliced with the groove-shaped steel plate, the front side steel plate and the rear side steel plate respectively.
Preferably, the groove-shaped steel plate is used for installing an inflatable water stop rubber ring; the inner side of the inflatable water-stopping rubber ring is provided with a wear-resistant nylon cushion layer.
Preferably, the inflation device comprises an air duct, an air pressure valve, an inflator pump and an air pressure maintaining and early warning module; the air pressure maintaining and early warning module is used for monitoring the air pressure in the inflatable water-stopping rubber ring in real time, and an alarm can be given when the air pressure in the inflatable water-stopping rubber ring exceeds a preset range.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model provides an assembled tunnel portal water stopping device which comprises a combined steel ring, a tunnel portal embedded steel ring and an auxiliary device, wherein the auxiliary device comprises a grouting device, a grease device, an inflating device and a hydraulic measurement and control device. The grouting device injects slurry into a gap between the pre-buried steel ring of the portal and the pipe joint in a pressing manner, and a slurry sleeve is formed on the periphery of the pipe joint to form a first water stopping measure; the inflatable water-stop rubber rings are inflated by the inflating device, the grease devices are formed by injecting grease into gaps among the inflatable water-stop rubber rings, and the inflating device and the grease devices jointly form a second water-stop measure. The multiple water stopping measures have synergistic effect, the water stopping performance of the assembled tunnel portal water stopping device can be effectively improved, the hydraulic measurement and control device is matched, the water stopping sealing effect of the device can be effectively, timely and flexibly ensured, the starting and receiving safety of the push pipe is obviously improved, the construction quality is ensured, and the device is particularly suitable for high-water-pressure condition push pipe construction.
2. The assembled type hole door water stopping device provided by the utility model adopts the assembled type combined steel ring, and is beneficial to installation, disassembly and reuse. The external dimension of the combined steel ring is matched with the external dimension of the pipe joint, and the combined steel ring can be applied to water stop sealing of the tunnel portal of the jacking pipe with various sections such as rectangle, circle and the like.
Drawings
In order to more clearly explain the technical solution of the present invention, the drawings used in the embodiments will be briefly described below. It is obvious that the following figures are only some embodiments of the utility model, and that for a person skilled in the art, other figures can be derived from them without inventive effort.
Fig. 1 is a schematic sectional structure view of a split mounting type tunnel portal water sealing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a combined steel ring in the assembled tunnel portal water stopping device provided by an embodiment of the utility model;
fig. 3 is a schematic structural diagram of a special steel ring in the assembled hole gate water stopping device provided by an embodiment of the utility model;
fig. 4 is a schematic structural diagram of a grouting device in the assembled tunnel portal water sealing device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a grease device in the assembled cavity door sealing device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an inflator in a split type tunnel portal water sealing device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a hydraulic measurement and control device in the assembled tunnel portal water sealing device according to an embodiment of the present invention.
Description of reference numerals:
(1) combining the steel rings; (1-1) specially manufacturing a steel ring; (1-1a) an inner steel plate; (1-1b) a channel-shaped steel plate; (1-1c) a front steel plate; (1-1d) a rear side steel plate; (1-1e) trapezoidal steel plates; (1-1f) a connecting member; (1-2) inflatable water-stopping rubber rings; (1-2a) wear-resistant nylon cushion layer; (1-3) a water-stopping rubber pad; (1-4) a water-stopping rubber ring; (1-5) fixing bolts; (1-6) bolt holes; (2) pre-burying a steel ring in the tunnel portal; (2-1) anchor bars; (2-2) a nut; (3) a grouting device; (3-1) thickening the slurry; (3-2) a grouting pipe; (3-3) a grouting pump; (3-4) a grouting valve; (4) a grease device; (4-1) oils and fats; (4-2) a grease pipe; (4-3) a grease pump; (4-4) a valve; (5) an inflator; (5-1) an air duct; (5-2) an air pressure maintaining and early warning module; (5-3) an inflator; (5-4) a pneumatic valve; (6) a hydraulic measurement and control device; (6-1) a data acquisition module; (6-2) a data transmission module; (6-3) a data receiving module; (6-4) a control module; (7) a conventional water stopping device; (8) pipe joints; (9) and (4) lining the wall.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any inventive step are within the scope of the present invention.
It is to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The term "and/or" refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, in an embodiment of the present invention, an assembled tunnel portal water sealing device includes a combined steel ring 1, a tunnel portal embedded steel ring 2, and an auxiliary device; the tunnel portal embedded steel ring 2 is fixedly arranged on the inner lining wall 9, is embedded at the position of the tunnel portal in advance before concrete of the inner lining wall 9 is poured, and the appearance of the tunnel portal embedded steel ring is matched with that of the pipe joint 8.
Further, the combined steel ring 1 is fixedly arranged on the portal embedded steel ring 2; the inner side of the combined steel ring 1 is provided with a plurality of inflatable water-stopping rubber rings 1-2; the auxiliary devices are connected to the combined steel ring 1 and comprise a grouting device 3, a grease device 4, an air charging device 5 and a hydraulic measurement and control device 6; the grouting device 3 is used for injecting thick slurry 3-1 into the gap between the portal embedded steel ring 2 and the pipe joint 8 under pressure, and after jacking is completed, the grouting device 3 can be used for injecting slurry into the gap to replace the thick slurry 3-1, so that portal plugging is realized; the grease device 4 is used for injecting grease 4-1 into a gap between the combined steel ring 1 and the pipe joint 8; the inflating device 5 is used for inflating the inflatable water-stopping rubber ring 1-2; the hydraulic measurement and control device 6 is used for monitoring the hydraulic pressure of the thick slurry 3-1 and the grease 4-1. In addition, in order to further ensure the water stopping effect, a conventional water stopping device 7 may be further installed at the front side of the combined steel ring 1.
Referring to fig. 2 and 3, in an embodiment of the present invention, the combined steel ring 1 is formed by assembling a plurality of special steel rings 1-1 through a plurality of fixing bolts 1-5 and nuts, and a water-stopping rubber gasket 1-3 is disposed therebetween to stop water; the assembled combined steel ring 1 is fixedly arranged on the portal embedded steel ring 2 through a plurality of fixing bolts 1-5 and nuts 2-2, and a water stopping rubber ring 1-4 is arranged between the fixing bolts and the nuts for stopping water, so that the combined steel ring 1 is ensured to have enough water stopping sealing performance and structural safety.
Furthermore, the special steel ring 1-1 is formed by splicing a plurality of inner steel plates 1-1a, a plurality of groove-shaped steel plates 1-1b, front steel plates 1-1c, rear steel plates 1-1d, a plurality of trapezoid steel plates 1-1e and a plurality of connecting pieces 1-1 f; the inner steel plates 1-1a and the groove-shaped steel plates 1-1b are spliced alternately, and the axes are parallel to each other to form an inner structure of the combined steel ring 1; the front side steel plate 1-1c and the rear side steel plate 1-1d are vertically spliced with the inner side steel plate 1-1a, but the axes are parallel to each other; the height of the front side steel plate 1-1c is smaller than that of the rear side steel plate 1-1 d; the trapezoidal steel plates 1-1e and the connecting pieces 1-1f are vertically spliced with the groove-shaped steel plates 1-1b and the inner side steel plates 1-1a and are vertical to the front side steel plates 1-1c and the rear side steel plates 1-1 d.
In one embodiment of the utility model, the inflatable water-stopping rubber ring 1-2 is arranged in an installation groove formed by the groove-shaped steel plates 1-1b, and the abrasion of the inflatable water-stopping rubber ring 1-2 in the installation groove can be reduced by smearing grease in the installation groove; the inflatable water-stopping rubber ring 1-2 has enough strength, flexibility and durability, and can deform to a certain degree under the action of air pressure; the shape of the inflatable water-stopping rubber ring 1-2 is matched with the inner contour of the groove-shaped steel plate 1-1b and the outer contour of the pipe joint 8; the size of the inner ring of the inflatable water-stopping rubber ring 1-2 is slightly smaller than the outer size of the pipe joint 8, and the outer diameter of the inflatable water-stopping rubber ring is slightly larger than the maximum gap between the groove-shaped steel plate 1-1b and the pipe joint 8; the inner side surface of the inflatable water-stopping rubber ring 1-2, which is in contact with the pipe joint 8, is provided with a wear-resistant nylon cushion layer 1-2a, so that the abrasion of the inflatable water-stopping rubber ring 1-2 and the pipe joint 8 is reduced, and the service life is prolonged.
Referring to fig. 4, in one embodiment of the present invention, the grouting device 3 includes a grouting pipe 3-2, a grouting pump 3-3, and a grouting valve 3-4, one end of the grouting pipe 3-2 is mounted on the inner steel plate 1-1a, and is provided with a plurality of branch pipes along the circumferential direction of the combined steel ring 1, the other end is connected to the grouting pump 3-3, the middle is provided with the grouting valve 3-4, and the pumping pressure of the grouting pump 3-3 is greater than the underground water pressure.
Referring to fig. 5, in an embodiment of the present invention, the grease device 4 includes a grease pipe 4-2, a grease pump 4-3, and a valve 4-4, one end of the grease pipe 4-2 is mounted on the inner steel plate 1-1a, a plurality of branch pipes are arranged along the circumferential direction of the combined steel ring 1, the other end is connected to the grease pump 4-3, the valve 4-4 is arranged in the middle, and the pumping pressure of the grease pump 4-3 is greater than the groundwater pressure.
Referring to fig. 6, in one embodiment of the present invention, the inflator 5 includes an air duct 5-1, an inflator 5-2, an air pressure maintaining and warning module 5-3, and an air pressure valve 5-4; one end of the air duct 5-1 is arranged on the groove-shaped steel plate 1-1b and is connected with the inflatable water-stopping rubber ring 1-2, the other end is connected with the inflator pump 5-2, and the middle part is provided with an air pressure valve 5-4 and an air pressure maintaining and early warning module 5-3; the air pressure maintaining and early warning module 5-3 can monitor the air pressure in the inflatable water-stopping rubber ring 1-2 in real time, and give an alarm when the air pressure in the inflatable water-stopping rubber ring 1-2 exceeds a preset range; the number of the inflation devices 5 is matched with the number of the inflatable water stop rubber rings 1-2.
Referring to fig. 7, in an embodiment of the present invention, the hydraulic measurement and control device 6 mainly includes a data acquisition module 6-1, a data transmission module 6-2, a data reception module 6-3, and a control module 6-4; the pressure injection of the thick slurry 3-1 can be effectively controlled by matching with the grouting device 3, and the pressure injection of the grease 4-1 can be effectively controlled by matching with the grease device 4.
Wherein, the thick mud 3-1 is formed by stirring bentonite, clear water and an additive, has good plastic fluidity, water retention and low permeability, and the concentration of the thick mud 3-1 is determined according to the maximum underground water pressure.
Furthermore, in a specific embodiment of the utility model, a tunnel portal water stopping device scheme is designed for a rectangular pipe jacking project crossing a canal; the cross section size of the top pipe is 9.8 multiplied by 5.9m, the buried depth of the top pipe is about 4.6-11.3 m, the thickness of the river bed covering soil is about 4.6-5.0 m, the buried depth of the underground water is about 0.7-1.7 m, the ground penetrating layer is mainly silt and silty soil, and the maximum underground water pressure is about 0.16 MPa.
In the assembled type hole door water stopping device provided by the embodiment, the hole door embedded steel ring 2 is preset at the position of a hole door before the construction of an inner lining wall 9, and is anchored on the inner lining wall 9 through an anchor bar 2-1, and a nut 2-2 and a bolt hole are reserved on a well wall steel plate of the hole door embedded steel ring 2; the size of the inner ring of the portal embedded steel ring 2 is 10.08m wide multiplied by 6.18m high.
In this embodiment, the combined steel ring 1 is formed by assembling eight special steel rings 1-1, wherein four of the special steel rings are linear, the other four special steel rings are curved, and the size of the inner ring is preferably 10.08m wide × 6.18m high.
Furthermore, the special steel ring 1-1 is formed by welding three inner side steel plates 1-1a, two groove-shaped steel plates 1-1b, two trapezoidal steel plates 1-1e, a front side steel plate 1-1c, a rear side steel plate 1-1d and a plurality of connecting pieces 1-1 f; the inner steel plate 1-1a is provided with a plurality of preformed holes for connecting the grouting device 3, the grease device 4 and the hydraulic measurement and control device 6.
The groove-shaped steel plate 1-1b comprises a circular part and a protruding part, the protruding part protrudes towards one side of the pipe joint 8 and is used for preventing the inflatable water-stopping rubber ring 1-2 from moving, and a plurality of preformed holes are formed in the groove-shaped steel plate and are used for being connected with the inflating device 5.
A plurality of bolt holes are formed in the front steel plate 1-1c and used for installing a traditional water stopping device; the preferable specifications of the front steel plates 1 to 1c are: the thickness is 20mm, and the height is 250 mm.
The rear steel plate 1-1d is provided with a plurality of bolt holes, and the bolt holes correspond to the bolt holes of the portal embedded steel ring 2, and the two rows of bolt holes are used for installing the combined steel ring 1; the preferable specifications of the rear side steel plates 1 to 1d are: the thickness is 20mm, and the height is 500 mm.
The trapezoidal steel plate 1-1e is provided with two slotted holes and a plurality of bolt holes, the shapes, sizes and positions of the slotted holes are matched with the inner dimensions of the groove-shaped steel plate 1-1b, but no protruding part exists; the preferred specifications of the trapezoidal steel plates 1 to 1e are: 10mm in thickness, 860mm in width and 250mm in height.
The connecting piece 116 is trapezoidal, two slotted holes are arranged on the connecting piece, and the shape, size and position of the slotted holes are matched with the outer dimensions of the slotted steel plates 1-1 b; the preferred specifications for the connector 116 are: 10mm in thickness, 820mm in width and 240 mm in height and 490mm in height.
The arrangement of the preformed hole in the embodiment of the utility model meets the functional requirements of the corresponding device.
In this embodiment, the shape of the inflatable water-stopping rubber ring 1-2 is rectangular ring, and the preferred specification is: the inner ring dimensions were 9.79m high by 5.89m wide, the outer ring dimensions 10.08m high by 6.18m wide. The section shape is ring shape, and the preferred specification is: the inner diameter is 205mm, the outer diameter is 245mm, and the wall thickness is 20 mm; the inner side surface of the inflatable water-stopping rubber ring 1-2, which is in contact with the pipe joint 8, is externally coated with a wear-resistant nylon cushion layer 1-2a, and the thickness of the wear-resistant nylon cushion layer 1-2a is 5 mm; the air pressure in the inflatable water-stopping rubber ring 1-2 is kept between the critical air pressure and the limit air pressure by the air pressure keeping and early warning module, wherein the critical air pressure can be understood as the air pressure when the inflatable water-stopping rubber ring 1-2 is deformed, and the limit air pressure can be understood as the air pressure when the inflatable water-stopping rubber ring 1-2 is damaged.
In the embodiment, the fixing bolts have two purposes, one is used for assembling the special steel ring 1-1, the other is used for installing the combined steel ring 1, and the quantity and the spacing of the fixing bolts meet the requirements of water-stop sealing and structural safety.
In this embodiment, before installing the assembled hole door water stop device, an installation platform needs to be set up in advance at the hole door position, and a temporary support measure is taken to ensure safe construction.
The manufacturing process of the special steel ring 1-1 of the embodiment is as follows:
(1) cutting all steel plates 1-1 a-1 e and connecting pieces 1-1f of the special steel ring 1-1 according to the specified size;
(2) processing bolt holes and slotted holes of the steel plate according to requirements;
(3) welding all the steel plates 1-1 a-1 e into a whole according to requirements, and welding the connecting piece 1-1 f.
The assembling process of the combined steel ring 1 of the embodiment is as follows:
(1) horizontally placing all the specially-made steel rings 1-1 in an open area, and stacking the specially-made steel rings in sequence (the rear side steel plates 1-1d face downwards, and the front side steel plates 1-1c face upwards);
(2) bolt holes and slotted holes are arranged for the water-stopping rubber pads 1-3;
(3) placing the water-stopping rubber pads 1-3 between the trapezoidal steel plates 1-1e, and aligning with the bolt holes and the slotted holes;
(4) and inserting the fixing bolts 1-5 into the bolt holes of the trapezoidal steel plates 1-1e and the water-stopping rubber pads 1-3 and fixing.
The installation process of the water-stopping sealing device for the tunnel door of the embodiment is as follows:
(1) smearing a small amount of glue into the mounting groove of the combined steel ring 1;
(2) adhering the inflatable water-stopping rubber ring 1-2 in the mounting groove;
(3) an inflation device 5 is used for inflating 0.5-0.7 atmosphere into the inflatable water-stop rubber ring 1-2 to open the inflatable water-stop rubber ring;
(4) a traditional water-stop sealing device 7 is arranged on the front side steel plate 1-1 c;
(5) turning over the combined steel ring 1 by using a hoisting machine;
(6) coating a small amount of glue on the rear side steel plate 1-1d to enable the water-stopping rubber ring 1-4 to be adhered to the rear side steel plate 1-1 d;
(7) a mounting platform of the combined steel ring 1 is preset outside the tunnel portal;
(8) hoisting the combined steel ring 1 to the mounting platform and simply fixing;
(9) screwing the fixing bolt to enable the combined steel ring 1 to be installed on the portal embedded steel ring 2;
(10) the grouting device 3, the grease device 4, the air charging device 5 and the hydraulic measurement and control device 6 are connected.
The operating principle of the pin-connected panel entrance to a cave sealing device that this embodiment provided is as follows:
firstly, pushing the pipe jacking machine into an originating tunnel door, when a cutter head begins to cut soil bodies in a reinforced area, pressurizing an inflatable water-stop rubber ring 1-2 by an inflating device 5 until the pressure exceeds critical air pressure, enabling the inflatable water-stop rubber ring 1-2 to generate a certain amount of deformation and tightly attach to the outer surface of a pipe joint 8, filling thick slurry into a gap between a tunnel door embedded steel ring and the pipe jacking machine (or the pipe joint 8) through a grouting device 3, and simultaneously filling grease into the gap between two inflatable water-stop rubber rings 1-2 and the gap between the inflatable water-stop rubber ring 1-2 and a traditional water-stop device 7 through a grease device 4; in the process of pipe-jacking tunneling, the control air pressure of the air pump is between the critical air pressure and the limit air pressure, and the control hydraulic pressures of the thick slurry and the grease are both greater than the maximum underground water pressure; in the process of pipe-jacking tunneling, the hydraulic pressure of the thick slurry and the grease is monitored and controlled in real time through the hydraulic measurement and control device 6, so that the water stopping performance and the sealing performance of the assembled tunnel portal water stopping device in the embodiment are effectively ensured.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the working principle of the present invention, and these modifications and decorations are also regarded as the protection scope of the present invention.
Claims (5)
1. An assembled type hole door water stopping device is characterized by comprising a combined steel ring, a hole door embedded steel ring and an auxiliary device; the auxiliary device comprises a grouting device, a grease device, an inflation device and a hydraulic measurement and control device;
the combined steel ring is fixedly arranged on the portal embedded steel ring;
a plurality of inflatable water-stopping rubber rings are arranged on the inner side of the combined steel ring;
the auxiliary device connect in on the combination steel ring, the slip casting device be used for to thick mud is annotated to the middling pressure in the clearance of the pre-buried steel ring in portal and tube coupling, the grease device be used for to grease is annotated to the middling pressure in the clearance of combination steel ring and tube coupling, aerating device is used for aerifing for inflatable stagnant water rubber ring, hydraulic pressure measurement and control device is used for the monitoring thick mud with the hydraulic pressure information of grease.
2. The assembled hole door water stopping device as claimed in claim 1, wherein the hole door embedded steel ring is fixedly arranged on the lining wall.
3. The assembled hole door water stopping device as claimed in claim 1, wherein the combined steel ring is assembled by a plurality of special steel rings, and the special steel rings are assembled by a plurality of inner steel plates, a plurality of groove-shaped steel plates, a front steel plate, a rear steel plate, a plurality of trapezoid steel plates and a plurality of connecting pieces; the inner steel plate is used for connecting the groove-shaped steel plate, the front steel plate and the rear steel plate; the height of the front side steel plate is smaller than that of the rear side steel plate; the trapezoidal steel plate and the connecting piece are vertically spliced with the groove-shaped steel plate, the front side steel plate and the rear side steel plate respectively.
4. The assembled type hole door water stopping device as claimed in claim 3, wherein the groove-shaped steel plate is used for mounting the inflatable water stopping rubber ring; and the inner side of the inflatable water-stopping rubber ring is provided with a wear-resistant nylon cushion layer.
5. The assembled cavity door water stopping device as claimed in claim 1, wherein the inflating device comprises an air duct, a pneumatic valve, an inflator pump and a pneumatic maintaining and early warning module; the air pressure maintaining and early warning module is used for monitoring the air pressure in the inflatable water-stopping rubber ring in real time, and an alarm can be given when the air pressure in the inflatable water-stopping rubber ring exceeds a preset range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121438173.3U CN215804720U (en) | 2021-06-25 | 2021-06-25 | Pin-connected panel entrance to a cave stagnant water device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121438173.3U CN215804720U (en) | 2021-06-25 | 2021-06-25 | Pin-connected panel entrance to a cave stagnant water device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215804720U true CN215804720U (en) | 2022-02-11 |
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ID=80178923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121438173.3U Active CN215804720U (en) | 2021-06-25 | 2021-06-25 | Pin-connected panel entrance to a cave stagnant water device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215804720U (en) |
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2021
- 2021-06-25 CN CN202121438173.3U patent/CN215804720U/en active Active
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