CN112993850B - Threading method for pressure bin under pressure and threading device for implementing method - Google Patents
Threading method for pressure bin under pressure and threading device for implementing method Download PDFInfo
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- CN112993850B CN112993850B CN202110304015.7A CN202110304015A CN112993850B CN 112993850 B CN112993850 B CN 112993850B CN 202110304015 A CN202110304015 A CN 202110304015A CN 112993850 B CN112993850 B CN 112993850B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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- Structural Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention provides a pressure bin under-pressure threading method and a threading device for implementing the method, wherein the pressure bin under-pressure threading method comprises the following steps: removing the waterproof connector of the cable at the first side, installing a protective cover, and accommodating the old cable at the first side in the protective cover; removing the waterproof cable joint at the second side, and pumping all the old cables to the second side by penetrating through the partition plate of the bin body; thirdly, a new cable passes through the compartment partition plate to reach the inner cavity of the protective cover, and the waterproof connector of the cable at the second side is fixed on the compartment partition plate; and fourthly, removing the protective cover, sleeving the cable waterproof joint on the new cable at the first side, and fixing the cable waterproof joint on the cabin partition board. The invention can smoothly finish the dismantling of the old cable and the installation of the new cable, has high operation efficiency, reduces the risk of the pressure operator, and can lighten the strength of the pressure operator and the time of the pressure operation.
Description
Technical Field
The invention relates to the technical field of threading under pressure, in particular to a threading method under pressure for a pressure bin and a threading device for implementing the method.
Background
With the development of economy and the progress of science and technology, the requirements of interconnection and intercommunication, tunnel engineering and rail traffic are exploded, and the shield construction method is popularized and applied in more and more projects.
The shield machine is suitable for various geological conditions, a pressurized bin body (namely a pressure bin) is arranged at multiple positions, and an electric instrument is arranged in the pressure bin. Because the cable of electric instrument wears to the external normal pressure environment of storehouse from the pressure storehouse in through the storehouse body baffle, require the cable can not appear the joint before passing through the storehouse body baffle, consequently after the cable passes the through wires hole on the storehouse body baffle, will overlap the metal waterproof joint and the through wires hole threaded connection on the cable again, realize the fixed and the seal between cable and the storehouse body baffle, wherein metal waterproof joint has two, sets up respectively in the inside and outside both sides of storehouse body baffle.
In the shield construction process, particularly when tunneling is performed for a long time, the electric instrument in the pressure bin also fails, and once the electric instrument in the pressure bin fails, the electric instrument is difficult to replace and repair, for example, how to take away an old cable through the bin body partition plate and how to install a new cable through the bin body partition plate, and all the problems are that operators are required to go into the pressure bin to carry out the operation under pressure, the working time is long, the labor intensity is high, and the cost is high. Especially in the in-process of dismouting cable, after the metal watertight fittings is all torn open, the compressed gas in the pressure storehouse probably can cause the injury to the outside operation personnel of storehouse, and the risk is higher.
Disclosure of Invention
The invention aims to provide a pressure bin pressure threading method which can reduce the working time of pressure operation of operators, lighten the labor intensity, reduce the cost, reduce the injury to operators outside a bin and reduce the risk; the invention also aims to provide a threading device for implementing the pressure bin threading method under pressure.
In order to achieve the purpose, the pressure bin threading method under pressure adopts the following technical scheme:
the pressure bin threading method under pressure defines two sides of a bin body partition plate, wherein the pressureless side is a normal pressure side, the pressureless side is a first side, the pressured side is a pressure side, and the pressured side is a second side, and the pressure bin threading method under pressure comprises the following steps:
firstly, removing a waterproof connector of a cable positioned on a first side from a bin body partition plate, and then installing a protective cover on the first side on the bin body partition plate, so that the protective cover is covered outside a cable threading hole and old cables on the first side are contained in an inner cavity of the protective cover;
the second step, firstly, removing the waterproof connector of the cable at the second side from the cabin body partition board, then pulling the old cable at the second side, and completely penetrating the old cable at the first side through the cabin body partition board to be drawn to the second side, so as to realize the removal of the old cable;
thirdly, installing a new cable from the second side, firstly enabling the new cable to pass through the cable waterproof joint of the second side and the cabin partition board to reach the inner cavity of the protective cover, and then fixing the cable waterproof joint of the second side to the cabin partition board to fix and seal the new cable of the second side and the cabin partition board;
and fourthly, removing the protective cover, sleeving the cable waterproof joint on the new cable on the first side, and fixing the cable waterproof joint on the first side on the cabin body partition board to fix and seal the new cable on the first side and the cabin body partition board.
The beneficial effects of the technical scheme are that: in the first step, as the protective cover is arranged on the first side after the waterproof connector of the cable on the first side is removed, the protective cover is arranged outside the cable threading hole, the first side and the second side can still be ensured to be isolated, and the old cable on the first side is accommodated in the inner cavity of the protective cover, so that the subsequent removal of the old cable is facilitated; in the second step, the waterproof connector of the cable on the second side is removed, and the old cable can be pulled on the second side to remove all the old cable, wherein the compressed gas in the pressure bin cannot be excessively lost due to the existence of the protective cover, only one gas with the size of the protective cover can be lost, and the protective cover is only used for covering the cable threading hole and accommodating the cable, so that the space is not large, and the gas cannot influence the whole pressure of the pressure bin; in the third step, a new cable can be installed from the second side, and the fixation and the sealing between the new cable on the second side and the cabin partition board are realized through the cable waterproof joint on the second side, so that the tightness is ensured; in the fourth step, the waterproof connector of the cable on the second side is installed, so that no air leakage is guaranteed, and the waterproof connector of the cable on the first side can be installed by removing the protective cover, so that the fixation and sealing between a new cable on the first side and the partition plate of the bin body are realized.
If the protective cover is arranged on the pressure side, when the cable waterproof joint on the normal pressure side is removed, gas with certain pressure in the protective cover can be discharged, or if the protective cover is arranged on the normal pressure side, when the protective cover is finally removed, the gas with certain pressure in the protective cover can be discharged, but the gas quantity is small, the harm to operators outside the warehouse can be avoided, and the risk is reduced.
In summary, the invention can smoothly complete the dismantling of the old cable and the installation of the new cable through the installation of the protective cover and the disassembly and assembly sequence of the waterproof joints of the cable at the normal pressure side and the pressure side, thereby not only reducing the injury to the operators outside the warehouse and the risk, but also reducing the working time of the operators under pressure, the labor intensity and the cost.
Further, in order to reduce the workload of operators in the pressure bin and shorten the influence time of the high-pressure environment on the operators, the pressure side is defined as a first side, the non-pressure side is defined as a normal pressure side, the second side is defined as a second side, and the protective cover is used for being installed on the pressure side.
In order to achieve the above object, the threading device for implementing the pressure bin under-pressure threading method of the present invention comprises: the protection casing is used for being fixed on the storehouse body baffle and cover and establish the outside at the cable through wires hole, and the inner chamber of protection casing forms the wire storage chamber that is used for holding the cable.
The beneficial effects of the technical scheme are that: the protective cover is covered outside the cable threading hole, plays a role in isolating the normal pressure side and the pressure side, and is convenient for dismantling the metal waterproof joint; the inner cavity of the protective cover forms a wire storage cavity for accommodating the cables, so that the old cables can be conveniently removed and the new cables can be conveniently installed.
Further, in order to facilitate manufacturing of the protective cover, the protective cover comprises a protective tube and a sealing plate, one end of the protective tube is fixedly connected with the sealing plate, and the other end of the protective tube is used for being fixed on the bin body partition plate.
Further, in order to facilitate the fixed connection between the protection pipe and the cabin body partition plate and the sealing plate, the two ends of the protection pipe are respectively provided with a flange, and the protection pipe is used for being respectively and fixedly connected with the cabin body partition plate and the sealing plate through the flange and the fastening piece.
Further, in order to facilitate releasing the pressure in the wire storage cavity, the threading device further comprises a release valve arranged on the protective cover, wherein the release valve is used for releasing the pressure in the wire storage cavity before the protective cover is removed.
Further, in order to facilitate the manufacture of the protection pipe and the installation of the air release valve, the protection pipe is a circular pipe, and the air release valve is installed on the sealing plate.
Further, in order to guarantee the leakproofness, be provided with first sealed pad between protection pipe and the shrouding, threading device still including being used for setting up the second sealed pad between protection pipe and storehouse body baffle.
Drawings
FIG. 1 is a schematic diagram of a part of a structure of a shield tunneling machine, which is an implementation object of embodiment 1 of a threading method with pressure in a pressure bin;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a process diagram of example 1 of the pressurized threading method of the pressure vessel of the present invention;
FIG. 4 is a process diagram of example 2 of the pressurized threading method of the pressure vessel of the present invention.
In the figure: 100-an air cushion bin; 200-a bin partition plate; 201-a cable threading hole; 300-cable; 301-old cable; 302-new cable; 400-waterproof joints of cables in the bin; 500-waterproof joints of cables outside the warehouse;
1-a protection tube in the bin; 2-sealing plates in the bin; 3-a wire storage cavity in the bin; 4-an in-bin air release valve; 5-a first sealing gasket in the bin; 6, a second sealing gasket in the bin; 7-a first bolt in the bin; 8-a second bolt in the bin;
10-a protection tube outside the bin; 20-a bin outer sealing plate; 30-a wire storage cavity outside the bin; 40-an off-bin bleed valve; 50-a first sealing gasket outside the bin; 60-a second sealing gasket outside the bin; 70-a first bolt outside the bin; 80-second bolts outside the bin.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
Example 1 of the pressure bin under-pressure threading method in the invention is as follows: as shown in fig. 1, the pressure bin threading method in the embodiment is applicable to a shield machine, wherein the pressure bin is an air cushion bin 100 of the shield machine, and the air cushion bin 100 is provided with a bin body partition board 200.
As shown in fig. 2, the compartment body partition board 200 is provided with a cable threading hole 201, a cable 300 passes through the cable threading hole 201, two metal waterproof joints are arranged outside the cable 300, namely an in-compartment cable waterproof joint 400 and an out-compartment cable waterproof joint 500, and the two metal waterproof joints are in threaded connection with the cable threading hole 201, so that the fixation and sealing between the cable 300 and the compartment body partition board 200 are realized.
The two sides of the cabin body partition board 200 are the pressure side, i.e. the side with pressure, on the inner side of the air cushion cabin 100, the side outside the cabin is the normal pressure side, i.e. the side without pressure, in this embodiment, the normal pressure side is defined as the first side, the pressure side is defined as the second side, as shown in fig. 3, when the pressure cabin under-pressure threading method in this embodiment is implemented, the external threading device needs to be installed on the normal pressure side, i.e. the outside of the cabin, and the specific structure of the external threading device is described below.
As shown in connection with fig. 2 and 3, the out-of-bin threading device comprises an out-of-bin protecting cover, which is used for being fixed on the bin body partition board 200 and is covered outside the cable threading hole 201, and the inner cavity of the out-of-bin protecting cover forms an out-of-bin wire storage cavity 30 for accommodating the cable. For convenient manufacture, the outside-bin protecting cover comprises an outside-bin protecting pipe 10 and an outside-bin sealing plate 20, the outside-bin protecting pipe 10 is a circular pipe, and the outside-bin threading device further comprises an outside-bin air release valve 40 arranged on the outside-bin sealing plate 20. One end of the outer bin protection tube 10 is fixedly connected with the outer bin sealing plate 20, the other end of the outer bin protection tube is fixed on the bin body partition plate 200, specifically, flanges are respectively arranged at two ends of the outer bin protection tube 10, one end of the outer bin protection tube 10 is fixedly connected with the outer bin sealing plate 20 through the flanges, the outer bin first bolts 70 and nuts, and the other end of the outer bin protection tube 10 is fixedly connected with the bin body partition plate 200 through the flanges and the outer bin second bolts 80. To ensure tightness, an outer first gasket 50 is disposed between the outer protective tube 10 and the outer sealing plate 20, and the outer threading device further includes an outer second gasket 60 disposed between the outer protective tube 10 and the inner partition plate 200.
As shown in fig. 3, the threading method with pressure for the pressure bin in the embodiment comprises the following steps:
first, the outer cable waterproof joint 500 is removed from the compartment body partition board 200, and then the outer protection pipe 10 is installed on the compartment body partition board 200, or the outer protection pipe 10 may be installed first, and then the outer cable waterproof joint 500 is removed. Wherein the outside of the outside protection tube 10 is surrounded by the cable threading hole 201, then the old cable 301 outside the bin is received in the outside protection tube 10, finally the outside sealing plate 20 and the outside air release valve 40 are installed, and the outside air release valve 40 is closed, so that the outside wire storage cavity 30 is ensured to be in a closed state, as shown in fig. 3 a.
Second, the waterproof joint 400 of the cable in the bin is firstly detached from the bin body partition board 200, then the old cable 301 is pulled in the bin, and the old cable in the wire storage cavity 30 outside the bin is completely drawn into the bin through the bin body partition board 200, so that the old cable 301 is detached, as shown in fig. 3 b.
Third, installing new cable 302 from the cabin, firstly, passing new cable 302 through waterproof joint 400 of the cabin and partition board 200 of the cabin to the inner cavity of the protection cover outside the cabin, ensuring that there is enough cable in the wire storage cavity outside the cabin, then fixing waterproof joint 400 of the cabin to partition board 200 of the cabin, and realizing fixation and sealing between new cable and partition board 200 of the cabin, as shown in fig. 3 c.
Fourth, the off-bin release valve 40 is opened, the pressure in the off-bin wire storage cavity is released, then the off-bin protective cover is removed, the off-bin cable waterproof connector 500 is sleeved on the off-bin new cable, the off-bin cable waterproof connector 500 is fixed on the bin body partition board 200, the fixation and sealing between the off-bin new cable and the bin body partition board 200 are achieved, and the under-pressure threading operation can be completed as shown in fig. 3 d.
According to the pressure bin pressure threading method, due to the arrangement of the bin outer protective cover, the pressure side and the normal pressure side are always isolated in the threading process, so that compressed gas in the pressure bin is not excessively lost, only gas with the volume of one protective cover is lost, and due to the fact that the bin outer protective cover is only used for covering a cable threading hole and accommodating a cable, the space is not large, the gas cannot influence the whole pressure of the pressure bin, and when the bin outer protective cover is finally removed, although the gas with certain pressure in the bin outer protective cover is discharged, the gas quantity is small, injury to operators outside the bin is avoided, and the risk is reduced.
To sum up, according to the embodiment, through the installation of the protective cover outside the cabin and the assembly and disassembly sequence of the waterproof joints in the cabin and the outside the cabin, the old cable and the new cable can be smoothly disassembled, so that the damage to the operators outside the cabin and the risk can be reduced, the working time of the operators under-pressure operation can be shortened, the labor intensity can be reduced, and the cost can be reduced.
Example 2 of the pressure bin threading method under pressure in the invention is as follows: in this embodiment, the pressure side is defined as a first side, and the normal pressure side is defined as a second side, as shown in fig. 4, when the pressure-cabin pressure threading method in this embodiment is implemented, the in-cabin threading device needs to be installed on the pressure side, that is, in-cabin, and the specific structure of the in-cabin threading device will be described below.
The specific structure of the in-bin threading device in this embodiment is the same as that of the out-bin threading device, and as shown in fig. 2 and 4, the in-bin threading device comprises an in-bin protecting cover, the in-bin protecting cover is fixed on a bin body partition board 200 and covers the outside of a cable threading hole 201, and an inner cavity of the in-bin protecting cover forms an in-bin wire storage cavity 3 for accommodating a cable. For convenient manufacturing, the in-bin protection cover comprises an in-bin protection pipe 1 and an in-bin sealing plate 2, the in-bin protection pipe 1 is a circular pipe, and the in-bin threading device further comprises an in-bin air release valve 4 arranged on the in-bin sealing plate 2. One end of the in-bin protection tube 1 is fixedly connected with the in-bin sealing plate 2, the other end of the in-bin protection tube is fixed on the bin body partition plate 200, specifically, flanges are respectively arranged at two ends of the in-bin protection tube 1, one end of the in-bin protection tube 1 is fixedly connected with the in-bin sealing plate 2 through the flanges, the in-bin first bolts 7 and nuts, and the other end of the in-bin protection tube 1 is fixedly connected with the bin body partition plate 200 through the flanges and the in-bin second bolts 8. In order to ensure tightness, a first sealing gasket 5 in the bin is arranged between the in-bin protection tube 1 and the in-bin sealing plate 2, and the in-bin threading device further comprises a second sealing gasket 6 in the bin, which is arranged between the in-bin protection tube 1 and the bin body partition plate 200.
Although fig. 2 shows both the in-cabin threading device and the out-cabin threading device, the specific configuration of the device is only described, and does not represent an actual use mode.
As shown in fig. 4, the threading method with pressure for the pressure bin in the embodiment comprises the following steps:
firstly, the waterproof joint 400 of the cable in the cabin is removed from the cabin partition board 200, then the cabin protection pipe 1 is installed on the cabin partition board 200, and of course, the cabin protection pipe 1 can be installed first, and then the waterproof joint 400 of the cable in the cabin is removed. Wherein the in-bin protection tube 1 is enclosed outside the cable threading hole 201, then the old cable 301 in the bin is stored in the in-bin protection tube 1, finally the in-bin sealing plate 2 and the in-bin air release valve 4 are installed, and the in-bin air release valve 4 is closed, so that the in-bin wire storage cavity 3 is ensured to be in a closed state, as shown in fig. 4 a.
Second, the waterproof connector 500 outside the bin is firstly removed from the bin body partition board 200, then the old cable 301 is pulled outside the bin, and all the old cables in the wire storage cavity 3 inside the bin are pulled outside the bin through the bin body partition board 200, so that the old cable 301 is removed, as shown in fig. 4 b.
Third, installing the new cable 302 from outside the cabin, firstly, passing the new cable 302 through the waterproof joint 500 of the cable outside the cabin and the cabin partition board 200 to the inner cavity of the cabin protective cover to ensure that the cable with sufficient length is in the cable storage cavity inside the cabin, and then fixing the waterproof joint 500 of the cable outside the cabin to the cabin partition board 200 to fix and seal the new cable outside the cabin and the cabin partition board 200, as shown in fig. 4 c.
Fourth, the in-bin release valve 4 is opened to keep the pressure in the in-bin wire storage cavity and the pressure in the pressure bin consistent, then the in-bin protective cover is removed, the in-bin cable waterproof connector 400 is sleeved on the new in-bin cable, the in-bin cable waterproof connector 400 is fixed on the bin body partition board 200, the fixation and sealing between the new in-bin cable and the bin body partition board 200 are realized, and the threading operation under pressure can be completed as shown in fig. 4 d.
Example 3 of the pressure bin under-pressure threading method in the invention is as follows: unlike example 2, the in-bin threading device does not include an in-bin air release valve, i.e., the in-bin air release valve is not mounted on the in-bin protective cover, and is directly removed when the in-bin protective cover is finally removed.
Example 4 of the pressure bin under-pressure threading method in the invention is as follows: unlike embodiments 1 and 2, the first gasket may not be provided between the protective tube and the closure plate, regardless of whether the in-cabin or out-cabin threading device is provided, although the in-cabin and out-cabin threading devices may not include the second gasket.
Example 5 of the pressure bin threading method under pressure in the invention is: unlike example 1, the off-bin threading device does not include an off-bin bleed valve, and is simply removed when the off-bin shield is finally removed.
Example 6 of the pressure bin under-pressure threading method in the invention is as follows: unlike embodiments 1 and 2, no flanges are provided at both ends of the protective tube, the protective tube can be welded to the sealing plate, and the protective tube and the compartment body partition plate can be fixed by magnet adsorption, regardless of the in-compartment threading device or the out-compartment threading device.
Example 7 of the pressure bin under-pressure threading method in the invention is as follows: unlike embodiments 1 and 2, the protection pipe may be a square pipe, regardless of the in-house threading device or the out-house threading device, in which case the air release valve is installed on the protection pipe.
Example 8 of the pressure bin under-pressure threading method in the invention is: unlike embodiments 1 and 2, the shield is an integrated shield, whether an in-bin or an out-of-bin threading device.
Example 9 of the pressure bin under-pressure threading method in the invention is as follows: unlike example 1, in the first step, the in-cabin threading device may be installed in the cabin before the in-cabin cable waterproof joint is removed, so that the in-cabin threading device and the in-cabin cable waterproof joint jointly realize isolation between the pressure side and the normal pressure side, and ensure tightness.
The embodiment 10 of the threading method with pressure in the pressure bin comprises the following steps: unlike embodiment 2, in the first step, the extra-cabin threading device can be installed outside the cabin before the waterproof joint of the intra-cabin cable is removed, so that the extra-cabin threading device and the waterproof joint of the extra-cabin cable jointly realize the isolation between the pressure side and the normal pressure side, and ensure the tightness.
Example 11 of the pressure bin threading method under pressure in the invention is: the pressure bin is not an air cushion bin of the shield machine, but is a pressure bin at other positions on the shield machine.
Example 12 of the pressure bin threading method under pressure in the invention is: the pressure bin is not a pressure bin on the shield machine, but is a pressure bin related to the threading operation under pressure in other fields.
The embodiment of the threading device for implementing the pressure bin threading method under pressure in the invention is as follows: the specific construction of the threading device is the same as the in-bin threading device or the out-of-bin threading device in the above embodiments and will not be repeated here.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The pressure bin threading method under pressure is characterized in that two sides of a bin body partition plate are defined, one side with pressure is defined as a pressure side, the other side without pressure is defined as a first side, the other side without pressure is defined as a normal pressure side, and the second side, and the pressure bin threading method under pressure comprises the following steps:
firstly, removing a waterproof connector of a cable positioned on a first side from a bin body partition plate, and then installing a protective cover on the first side on the bin body partition plate, so that the protective cover is covered outside a cable threading hole and old cables on the first side are contained in an inner cavity of the protective cover;
the second step, firstly, removing the waterproof connector of the cable at the second side from the cabin body partition board, then pulling the old cable at the second side, and completely penetrating the old cable stored in the inner cavity of the first side protection cover to the second side through the cabin body partition board to realize the removal of the old cable;
thirdly, installing a new cable from the second side, firstly enabling the new cable to pass through the cable waterproof joint of the second side and the cabin partition board to reach the inner cavity of the protective cover, and then fixing the cable waterproof joint of the second side to the cabin partition board to fix and seal the new cable of the second side and the cabin partition board;
and fourthly, removing the protective cover, sleeving the cable waterproof joint on the new cable on the first side, and fixing the cable waterproof joint on the first side on the cabin body partition board to fix and seal the new cable on the first side and the cabin body partition board.
2. Threading device for implementing the pressurized threading method of a pressure compartment according to claim 1, characterized in that it comprises:
the protection casing is used for being fixed on the storehouse body baffle and cover and establish the outside at the cable through wires hole, and the inner chamber of protection casing forms the wire storage chamber that is used for holding the cable.
3. The threading device of claim 2 wherein the shield comprises a shield tube and a seal plate, one end of the shield tube being fixedly connected to the seal plate and the other end being adapted to be secured to the cartridge body partition.
4. A threading device according to claim 3 wherein the protective tube is provided with flanges at each end thereof, the protective tube being adapted to be fixedly connected to the cartridge body bulkhead and the closure plate by means of the flanges and fasteners, respectively.
5. A threading device according to any one of claims 2 to 4 further including a bleed valve mounted on the shield for releasing pressure in the storage chamber prior to removal of the shield.
6. The threading device of claim 3 or 4 further comprising a deflate valve mounted to the shield for releasing pressure in the line storage chamber prior to removal of the shield.
7. The threading device of claim 6 wherein the protective tube is a round tube and the bleed valve is mounted on the closure plate.
8. The threading device of claim 3 or 4 wherein a first gasket is disposed between the protective tube and the closure plate, and wherein the threading device further comprises a second gasket disposed between the protective tube and the cartridge body barrier.
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| CN202110304015.7A CN112993850B (en) | 2021-03-22 | 2021-03-22 | Threading method for pressure bin under pressure and threading device for implementing method |
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| CN202110304015.7A CN112993850B (en) | 2021-03-22 | 2021-03-22 | Threading method for pressure bin under pressure and threading device for implementing method |
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| CN112993850A CN112993850A (en) | 2021-06-18 |
| CN112993850B true CN112993850B (en) | 2023-09-29 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06225422A (en) * | 1992-08-28 | 1994-08-12 | Toyokuni Densen Kk | Manufacture of unit cable |
| JPH09247825A (en) * | 1996-03-07 | 1997-09-19 | Sankei Seisakusho:Kk | Cable retaining device |
| WO2002067397A1 (en) * | 2001-02-20 | 2002-08-29 | Alois Pichler | Method for removing a cable core from a cable sheath |
| JP2007037239A (en) * | 2005-07-25 | 2007-02-08 | Tokyo Electric Power Co Inc:The | Construction method for repairing waterproof pipe of manhole and construction method for waterproofing manhole |
| CN102975834A (en) * | 2012-12-12 | 2013-03-20 | 广州中船黄埔造船有限公司 | Method for changing depth finder under water |
| CN104121449A (en) * | 2013-04-25 | 2014-10-29 | 中国石油化工股份有限公司 | Device and method for blocking pipeline under pressure |
| CN204559072U (en) * | 2015-04-11 | 2015-08-12 | 淄博飞雁先行测控技术有限公司 | Submerged type differential pressure transmitter cable sealing device |
| CN204905803U (en) * | 2015-07-02 | 2015-12-23 | 国网新疆电力公司伊犁供电公司 | Cable watertight fittings |
| CN210074295U (en) * | 2019-03-04 | 2020-02-14 | 福建海图智能科技有限公司 | Watertight cabin threading structure |
| CN111509611A (en) * | 2020-04-27 | 2020-08-07 | 中船澄西船舶修造有限公司 | Repair and replacement method for ship deck cable transition box |
| CN111817074A (en) * | 2020-07-29 | 2020-10-23 | 中交第一航务工程局有限公司 | Underwater cable connector |
-
2021
- 2021-03-22 CN CN202110304015.7A patent/CN112993850B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06225422A (en) * | 1992-08-28 | 1994-08-12 | Toyokuni Densen Kk | Manufacture of unit cable |
| JPH09247825A (en) * | 1996-03-07 | 1997-09-19 | Sankei Seisakusho:Kk | Cable retaining device |
| WO2002067397A1 (en) * | 2001-02-20 | 2002-08-29 | Alois Pichler | Method for removing a cable core from a cable sheath |
| JP2007037239A (en) * | 2005-07-25 | 2007-02-08 | Tokyo Electric Power Co Inc:The | Construction method for repairing waterproof pipe of manhole and construction method for waterproofing manhole |
| CN102975834A (en) * | 2012-12-12 | 2013-03-20 | 广州中船黄埔造船有限公司 | Method for changing depth finder under water |
| CN104121449A (en) * | 2013-04-25 | 2014-10-29 | 中国石油化工股份有限公司 | Device and method for blocking pipeline under pressure |
| CN204559072U (en) * | 2015-04-11 | 2015-08-12 | 淄博飞雁先行测控技术有限公司 | Submerged type differential pressure transmitter cable sealing device |
| CN204905803U (en) * | 2015-07-02 | 2015-12-23 | 国网新疆电力公司伊犁供电公司 | Cable watertight fittings |
| CN210074295U (en) * | 2019-03-04 | 2020-02-14 | 福建海图智能科技有限公司 | Watertight cabin threading structure |
| CN111509611A (en) * | 2020-04-27 | 2020-08-07 | 中船澄西船舶修造有限公司 | Repair and replacement method for ship deck cable transition box |
| CN111817074A (en) * | 2020-07-29 | 2020-10-23 | 中交第一航务工程局有限公司 | Underwater cable connector |
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| Publication number | Publication date |
|---|---|
| CN112993850A (en) | 2021-06-18 |
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