Basement wire cable inlet and outlet flood-proofing construction method

Abstract

The application discloses a basement electric wire and cable inlet and outlet flood-proof construction method, and relates to the technical field of indoor strong and weak electric construction; according to the design requirements of drawings, the weak electric wires which are intended to enter and exit the basement are counted and are sleeved with rubber sleeves; waterproof oil paste is injected into the rubber sleeves to form closed weak electric cable bundles; before pouring the concrete outer wall, galvanized steel sleeves are installed on the weak electric cable bundles; after pouring, the rubber sleeves are installed along the galvanized steel sleeves on the inner side of the concrete outer wall, and stainless steel ring-shaped pressing strips are installed; waterproof insulation tape is wound on the weak electric cable bundles in the exposed end part of the rubber sleeves, the thickness and outer diameter of which reach the inner diameter of the rubber sleeve, and then a stainless steel cable clamp is used to tighten; a water level floating ball power switch control system is installed in an outdoor electric wire and cable operation well; a pressure automatic pressurizing inflation pump is installed on the inner side of the concrete outer wall, so that the technical problems of cracks and falling off of the sealing and plugging of the basement electric wire and cable inlet and outlet after long-term use are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of indoor strong and weak current construction quality, in particular to a basement wire and cable inlet and outlet flood prevention construction method. BACKGROUND

[0002] In order to meet the needs of people's travel and living environment in residential areas, basements are set up in planning and design to realize people and vehicle separation and facilitate management. In the area with abundant and concentrated rainwater, the inlet and outlet of strong and weak current lines entering and exiting the basement often cause rainwater to directly enter the basement due to thermal expansion and contraction and other factors.

[0003] The conventional method for plugging the inlet and outlet of strong and weak current lines entering and exiting the basement is to directly pass the strong and weak current lines through the reserved hole, and then use waterproof oil paste or leak stopper to plug, but this method will directly cause cracks or even shedding at the plugging position after experiencing several spring, summer, autumn and winter due to thermal expansion and contraction, and then artificially plugging, which wastes manpower and material resources, and is only a temporary solution. If the community manager is not careful, the risk of flood backflow and basement waterlogging will occur in the face of large amount of rainwater in the rainy season.

[0004] Therefore, the basement wire and cable inlet and outlet flood prevention construction method is provided to solve the above problems. SUMMARY

[0005] The purpose of the present application is to overcome the shortcomings of the prior art and provide a basement wire and cable inlet and outlet flood prevention construction method to solve the technical problems of cracks and shedding of the sealing and plugging of the basement wire and cable inlet and outlet after long-term use. The specific technical solutions are as follows:

[0006] A basement wire and cable inlet and outlet flood prevention construction method, comprising the following steps:

[0007] Step 1: According to the design requirements of the drawing, the weak current lines entering and exiting the basement are counted and fitted with suitable rubber sleeves;

[0008] Waterproof oil paste is injected into the rubber sleeve to fill the gap between the weak current lines and form a closed weak current cable bundle;

[0009] Step 2: According to the design requirements of the drawing, a galvanized steel sleeve is processed, the length is the same as the thickness of the basement concrete outer wall, and the diameter is greater than the outer diameter of the weak current cable bundle;

[0010] A set of 10mm thick circular steel plates are processed, and the inner diameter of the 10mm thick circular steel plate is the outer diameter of the galvanized steel sleeve;

[0011] 10mm thick circular ring steel plate outer diameter than galvanized steel sleeve outer diameter of 200mm, processing a group of 10mm thick 50mm wide strip-shaped steel plate, and the strip-shaped steel plate around the edge line of the circular ring steel plate, and welded;

[0012] Then the circular ring steel plate is sleeved in the galvanized steel sleeve, and is welded to form a steel plate folded port water stop ring;

[0013] The steel plate folded port water stop ring requires that the weld is full, and must achieve no water seepage phenomenon, and is coated with anti-rust paint;

[0014] Step three: customizing, purchasing rubber sleeves with appropriate diameters, and the length is not less than 600mm, and one end of a group of rubber sleeves is sleeved on the galvanized steel sleeve, and is located on one side of the steel plate folded port water stop ring folded port, and is installed with a stainless steel bundle throat clamp;

[0015] Step four: before pouring the concrete outer wall, the processed galvanized steel sleeve is installed at the position designed in the drawing, and after pouring the concrete outer wall, the stainless steel ring-shaped pressing strip is installed on the concrete outer wall along the rubber sleeve of the galvanized steel sleeve on the inner side of the concrete outer wall;

[0016] Step five: when the weak current cable bundle installation is completed, waterproof insulation tape is wound on the weak current cable bundle in the exposed rubber sleeve end, and the winding thickness reaches the inner diameter of the rubber sleeve, and then the stainless steel bundle throat clamp is tightened;

[0017] Step six: installing a water level floating ball power switch control system in the outdoor wire and cable operation well;

[0018] The pressure automatic inflation pump is installed on the inner side of the concrete outer wall and connected with the water level floating ball power switch control system in the outdoor wire and cable operation well;

[0019] Step seven: placing a high-strength large-tension ring-shaped inflatable bag between the galvanized steel sleeve and the weak current cable bundle gap;

[0020] When the flood in the wire and cable operation well rises to the warning height, the pressure automatic inflation pump is automatically started to fill the galvanized steel pipe densely, so as to prevent the flood from flowing back.

[0021] In a further technical solution, in step two, the steel plate folded port water stop ring is installed in the middle of the galvanized steel sleeve, and the strip-shaped steel plate is located towards the outdoor wire and cable operation well.

[0022] In a further technical solution, the bottom of the pressure automatic inflation pump is provided with an output end, and is connected with a gas pipeline, and the gas pipeline extends to the rubber sleeve;

[0023] The rubber sleeve located on the inner side of the concrete outer wall is provided with an annular part on one side of the steel plate folded lip water stop ring, and a connecting notch is pre-set on the annular part, which is suitable for the gas pipeline to pass through.

[0024] An air inlet is installed on the top of the high-strength large-tension annular inflatable bag, and the air inlet is connected with the gas pipeline.

[0025] In a further technical solution, the two groups of stainless steel beam throat clamps located on the outer side of the concrete outer wall are each provided with three, and the installation screwing parts are arranged in a staggered manner.

[0026] In a further technical solution, a side branch pipe is installed outside the gas pipeline, and an exhaust valve is installed at the side branch pipe.

[0027] In a further technical solution, an extrusion piece is installed between the waterproof insulating tape ring and the high-strength large-tension annular inflatable bag; the extrusion piece includes ring plate one and ring plate two, a support and a travel switch are installed between the ring plate one and the ring plate two, the travel switch is installed on the ring plate one, and the output end includes a touch rod, which is arranged towards the ring plate two.

[0028] The support is suitable for adjusting the distance between the ring plate one and the ring plate two. In a further technical solution, the support includes a transverse spring, one end of the transverse spring is fixedly connected with the ring plate one, the other end is fixedly connected with the ring plate two, and a telescopic guide rod is installed in the transverse spring.

[0029] The telescopic guide rod includes a large-diameter tube and a small-diameter tube, a connecting hole is formed in the large-diameter tube, and the small-diameter tube is adapted to pass through the connecting hole, and a stop ring is installed in the connecting hole, which is used to limit the small-diameter tube.

[0030] The large-diameter tube is fixedly connected with the ring plate one, and the small-diameter tube is fixedly connected with the ring plate two.

[0031] In a further technical solution, an initial position is set, and a gap is reserved between the touch rod and the ring plate two; after the pressure automatic inflation pump fills the high-strength large-tension annular inflatable bag, the ring plate two moves towards the ring plate one, and the rear abutment drives the trigger touch rod to bend; an electromagnetic control valve is arranged on the pressure automatic inflation pump, the travel switch is electrically connected with the electromagnetic control valve, and the pump is controlled to stop; after completion, a sealed flood control effect is formed.

[0032] Compared with the prior art, the following beneficial effects are achieved:

[0033] The application changes the installation process of the electric wire cable entering and exiting the basement, adopts high-voltage electric wire cable single, weak electric wire cable bundle entering and exiting, and uses the rigid-flexible method from the source to block, prevents the gap and shedding phenomenon of the blocking place caused by the factors of thermal expansion and cold contraction due to seasonal changes, adopts the automatic pressure filling mode between the electric wire cable and the sleeve, can long-term ensure that the electric wire cable entering and exiting place has no water seepage and leakage, greatly reduces the capital cost of repeated blocking due to rainwater backflow in the later use process. The construction process is convenient and fast, and the cost is saved significantly after use. The application realizes the opening of the electromagnetic control valve through the setting of the ring plate one and the ring plate two and the travel switch between them, realizes the opening of the electromagnetic control valve through the water level floating ball power switch control system floating ball, realizes the movement of the ring plate two towards the ring plate one driven by the lateral high-strength large-tension ring-shaped inflatable bag, extrudes the touch rod to the travel switch to transmit signals, changes, makes the electromagnetic control valve close, and realizes automatic pump closing. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a structure sectional view schematic of the basement electric wire cable entering and exiting place flood prevention of the application Figure 1 ;

[0035] Figure 2 It is a side installation schematic of the steel plate folded mouth water stop ring of the application

[0036] Figure 3 It is a structure schematic of the steel plate folded mouth water stop ring of the application

[0037] Figure 4 It is a weak electric wire cable bundle schematic of the application

[0038] Figure 5 It is a structure sectional view schematic of the basement electric wire cable entering and exiting place flood prevention of the application Figure 2 ;

[0039] Figure 6 It is an A part enlarged view of Figure 5 ;

[0040] Figure 7 It is a B part enlarged view of Figure 5 ;

[0041] Figure 8 It is a schematic diagram of the ring-shaped part of the application.

[0042] In the figure: 1, concrete outer wall; 2, galvanized steel sleeve; 3, steel plate folded water stop ring; 4, rubber sleeve; 5, stainless steel cable bundle; 6, weak cable bundle; 7, high-strength large tension ring-shaped inflatable bag; 8, waterproof insulating tape ring; 9, stainless steel ring-shaped pressing strip; 10, pressure automatic pressure inflation pump; 11, electric wire and cable operation well; 12, water level float ball power switch control system; 13, circular steel plate; 14, strip-shaped steel plate; 15, weak electric wire; 16, gas pipeline; 17, annular part; 18, connecting notch; 19, gas inlet; 20, ring plate one; 21, ring plate two; 22, travel switch; 23, touch rod; 24, transverse spring; 25, large-diameter pipe; 26, small-diameter pipe; 27, retaining ring; 28, exhaust valve; 29, electromagnetic control valve. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0044] Embodiment 1

[0045] Please refer to Figures 1-4 A technical solution is provided for the present application, a basement electric wire and cable inlet and outlet flood prevention construction method, comprising the following steps:

[0046] Step one: according to the design requirements of the drawing, the weak electric wire 15 that is intended to enter and exit the basement is counted, and the appropriate rubber sleeve 4 is sleeved;

[0047] Waterproof oil paste is injected into the rubber sleeve 4 to fill the gap between the weak electric wires 15, forming a closed weak electric wire and cable bundle 6;

[0048] Step two: according to the design requirements of the drawing, the galvanized steel sleeve 2 is processed, the length is the same as the thickness of the basement concrete outer wall 1, and the diameter is larger than the outer diameter of the weak electric wire and cable bundle 6;

[0049] A set of 10mm thick circular steel plates 13 are processed, and the inner diameter of the 10mm thick circular steel plates 13 is the outer diameter of the galvanized steel sleeve 2;

[0050] The outer diameter of the 10mm thick circular steel plate 13 is 200mm larger than the outer diameter of the galvanized steel sleeve 2, a set of 10mm thick 50mm wide strip-shaped steel plates 14 are processed, and the strip-shaped steel plates 14 are wrapped around the edge line of the circular steel plate 13 and welded;

[0051] Then the circular steel plate 13 is sleeved in the middle of the galvanized steel sleeve 2 and welded to form a steel plate folded water stop ring 3;

[0052] Steel plate folded port water stop ring 3 requires full weld, must achieve no water seepage phenomenon, coated with anti-rust paint;

[0053] Step three: custom, buy the appropriate diameter rubber sleeve 4, length not less than 600㎜, and a set of rubber sleeve 4 on the galvanized steel sleeve 2, and located in the steel plate folded port water stop ring 3 folded one side, and install stainless steel beam throat clamp 5 clamp;

[0054] Step four: before pouring concrete outer wall 1, the galvanized steel sleeve 2 installed in the design position of the drawing, after pouring concrete outer wall 1, along the rubber sleeve 4 of the galvanized steel sleeve 2 inside the concrete outer wall 1, install stainless steel ring-shaped compression strip 9 firmly on the concrete outer wall 1;

[0055] Step five: when the weak electric cable beam 6 installation is completed, on the weak electric cable beam 6 in the exposed end of the rubber sleeve 4, wrap waterproof insulation tape, wrap thickness diameter to reach the inner diameter of the rubber sleeve 4, and then use stainless steel beam throat clamp 5 clamp;

[0056] Step six: install water level float ball power switch control system 12 in the outdoor electric cable operation well 11;

[0057] Concrete outer wall 1 inside the installation pressure automatic inflation pump 10, and connect with the water level float ball power switch control system 12 in the outdoor electric cable operation well 11;

[0058] Step seven: put high strength large tension ring-shaped air bag 7 in the gap between the galvanized steel sleeve 2 and the weak electric cable beam 6;

[0059] When the flood in the electric cable operation well 11 rises to the warning height, the pressure automatic inflation pump 10 is automatically started, filling the galvanized steel pipe, preventing flood backflow.

[0060] A large number of weak electric cables are made into a bundle to enter the basement, and high-voltage electric cables are single into the basement; On the outside water stop steel sleeve pre-buried on the concrete outer wall of the basement, increase the rubber sleeve, and firmly clamp it on the steel sleeve and electric cable, prevent rainwater from entering from the source, and not affected by seasonal changes of thermal expansion and cold contraction, and use high strength large tension ring-shaped air bag to automatically pressurize the pores between the electric cable and the sleeve, further enhance the possibility of preventing rainwater from entering.

[0061] Changing the installation process for wires and cables entering and exiting the basement, using single high-voltage cables and bundled weak-current cables, and sealing them at the source using a combination of rigidity and flexibility, prevents gaps and detachment caused by seasonal thermal expansion and contraction. Furthermore, automatic pressurized filling between the wires and cables and the casing ensures long-term water seepage and leakage prevention at the wire and cable entrances and exits, significantly reducing the cost of repeated sealing due to rainwater backflow during later use. The installation process is convenient and fast, and the cost savings are significant after use.

[0062] Example 2

[0063] like Figures 5-8 As shown, another embodiment of the present invention is shown. Based on Example 1, in step 2, the steel plate folded seam ring 3 is installed in the middle of the galvanized steel casing 2, and the strip steel plate 14 is located on the circular steel plate 13 and is arranged toward the outdoor wire and cable operation well 11. The bottom of the pressure automatic pressurizing air pump 10 is provided with an output end and is connected to a gas pipeline 16, which extends to the rubber casing 4;

[0064] The rubber sleeve 4 located on the inner side of the concrete outer wall 1 is installed with an annular portion 17 on the side opposite to the steel plate folding water stop ring 3, and the annular portion 17 is pre-set with a connecting notch 18, which is suitable for the gas pipeline 16 to pass through;

[0065] An air inlet 19 is installed at the top of the high-strength, high-tension annular inflatable bag 7, communicating with the gas pipeline 16. Three stainless steel hose clamps 5 are installed on each of the two sets located outside the concrete exterior wall 1, with the tightening locations staggered. A side branch is installed outside the gas pipeline 16, fitted with an exhaust valve 28.

[0066] An extrusion piece is installed between the waterproof insulating tape ring 8 and the high-strength and high-tension annular inflatable bag 7; the extrusion piece includes a ring plate 1 20 and a ring plate 2 21, and a support piece and a limit switch 22 are installed between the ring plate 1 20 and the ring plate 2 21. The limit switch 22 is installed on the ring plate 1 20, and the output end includes a touch rod 23, and the touch rod 23 is arranged toward the ring plate 21;

[0067] The support member is suitable for adjusting the distance between the first ring plate 20 and the second ring plate 21. In a further technical solution, the support member includes a transverse spring 24, one end of which is fixedly connected to the first ring plate 20 and the other end is fixedly connected to the second ring plate 21; a telescopic guide rod is installed in the middle of the transverse spring 24;

[0068] The telescopic guide rod comprises a large-diameter pipe 25 and a small-diameter pipe 26, the large-diameter pipe 25 is provided with a connecting hole, the small-diameter pipe 26 is adapted to pass through the connecting hole, and a retaining ring 27 is arranged in the connecting hole, the retaining ring 27 is used for limiting the small-diameter pipe 26;

[0069] The large-diameter pipe 25 is fixedly connected with the ring plate 1 20, and the small-diameter pipe 26 is fixedly connected with the ring plate 2 21.

[0070] The initial position is set, and a gap is reserved between the touch rod 23 and the ring plate 2 21; after the high-strength and large-tension ring-shaped air bag 7 is filled with the pressure automatic pressurizing air pump 10, the ring plate 2 21 moves towards the ring plate 1 20, and the rear abutment drives the trigger touch rod 23 to be bent; the electromagnetic control valve 29 is arranged on the pressure automatic pressurizing air pump 10, and the travel switch 22 is electrically connected with the electromagnetic control valve 29 to control the stop of air pumping; and the sealing flood control effect is formed after completion.

[0071] It is apparent for those skilled in the art that the present application is not limited to the details of the above-mentioned exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0072] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A construction method for preventing backflow of water in a basement electric wire cable inlet, characterized by, It comprises the following steps: Step one: according to the design requirements of the drawing, the weak current line (15) which is going to enter or exit the basement is counted, and the appropriate rubber sleeve (4) is sleeved; Waterproof oil paste is injected into the rubber sleeve (4) to fill the gap between the weak current line (15) and form a closed weak current cable bundle (6); Step two: according to the design requirements of the drawing, galvanized steel sleeve (2) is processed, the length is the same as the thickness of the basement concrete outer wall (1), and the diameter is larger than the outer diameter of the weak current cable bundle (6); A set of 10mm thick circular steel plate (13) is processed, and the inner diameter of the 10mm thick circular steel plate (13) is the outer diameter of the galvanized steel sleeve (2); The outer diameter of the 10mm thick circular steel plate (13) is 200mm larger than the outer diameter of the galvanized steel sleeve (2), a set of 10mm thick 50mm wide strip steel plate (14) is processed, and the strip steel plate (14) is wrapped around the edge line of the circular steel plate (13) and welded; Then the circular steel plate (13) is sleeved in the middle of the galvanized steel sleeve (2) and welded to make a steel plate folded water stop ring (3); The steel plate folded water stop ring (3) requires full weld, which must achieve no water seepage phenomenon, and is coated with anti-rust paint; Step three: custom, buy appropriate diameter rubber sleeve (4), the length is not less than 600mm, and one end of a set of rubber sleeve (4) is sleeved on the galvanized steel sleeve (2), and is located on one side of the steel plate folded water stop ring (3) folded, and is installed with stainless steel cable throat clamp (5) clamp; Step four: before pouring the concrete outer wall (1), the processed galvanized steel sleeve (2) is installed at the position designed in the drawing, and after pouring the concrete outer wall (1), the stainless steel ring pressing strip (9) is installed on the inner side of the concrete outer wall (1) along the rubber sleeve (4) of the galvanized steel sleeve (2) and firmly on the concrete outer wall (1); Step five: after the installation of the weak current cable bundle (6) is completed, waterproof insulation tape is wound on the weak current cable bundle (6) in the exposed end of the rubber sleeve (4), and the thickness and outer diameter of the waterproof insulation tape reach the inner diameter of the rubber sleeve (4), and then the stainless steel cable throat clamp (5) is clamped tightly; Step six: install the water level float ball power switch control system (12) in the outdoor wire and cable operation well (11); The automatic pressure inflation pump (10) is installed on the inner side of the concrete outer wall (1) and connected with the water level float ball power switch control system (12) in the outdoor wire and cable operation well (11); Step seven: place the high-strength large-tension ring-shaped inflatable bag (7) in the gap between the galvanized steel sleeve (2) and the weak current cable bundle (6); When the flood in the wire and cable operation well (11) rises to the warning height, the automatic pressure inflation pump (10) is automatically started to fill the galvanized steel pipe densely.

2. The basement electrical cable access floodwater backflow prevention construction method according to claim 1, characterized by, In step two, the steel plate folded water stop ring (3) is installed in the middle of the galvanized steel sleeve (2), and the strip steel plate (14) is located on the circular steel plate (13) facing the outdoor wire and cable operation well (11).

3. The basement electrical cable access floodwater backflow prevention construction method according to claim 2, wherein The bottom of the automatic pressure inflation pump (10) is provided with an output end, and is connected with a gas pipeline (16), and the gas pipeline (16) extends to the rubber sleeve (4); The rubber sleeve (4) on the inner side of the concrete outer wall (1) is provided with an annular part (17) on one side of the steel plate folded port water stop ring (3), and a connecting notch (18) is pre-set on the annular part (17), which is suitable for the gas pipeline (16) to pass through. An air inlet (19) is installed at the top of the high-strength large-tension annular inflatable bag (7), which is connected with the gas pipeline (16).

4. The basement electrical cable access flood-proofing construction method of claim 3, wherein, Two groups of stainless steel beam collars (5) are installed on the outer side of the concrete outer wall (1), each of which is installed with three parts, and the installation screwing parts are arranged in staggered positions.

5. The basement electrical wire and cable access floodwater backflow prevention construction method according to claim 4, characterized by, A side branch pipe is installed outside the gas pipeline (16), and an exhaust valve (28) is installed at the side branch pipe.

6. The basement electrical wire and cable access floodwater backflow prevention construction method according to claim 4, characterized by, An extrusion piece is installed between the waterproof insulating tape ring (8) and the high-strength large-tension annular inflatable bag (7); the extrusion piece includes a ring plate one (20) and a ring plate two (21), a support and a travel switch (22) are installed between the ring plate one (20) and the ring plate two (21), the travel switch (22) is installed on the ring plate one (20), and the output end includes a touch rod (23), which is arranged towards the ring plate two (21); The support is suitable for adjusting the distance between the ring plate one (20) and the ring plate two (21).

7. The basement electrical wire and cable access floodwater backflow prevention construction method according to claim 6, characterized by, The support includes a transverse spring (24), one end of which is fixedly connected with the ring plate one (20), and the other end is fixedly connected with the ring plate two (21); a telescopic guide rod is installed in the middle of the transverse spring (24); The telescopic guide rod includes a large-diameter tube (25) and a small-diameter tube (26), the large-diameter tube (25) is provided with a connecting hole, which is suitable for the small-diameter tube (26) to pass through, and a stop ring (27) is installed in the connecting hole, which is used to limit the small-diameter tube (26); The large-diameter tube (25) is fixedly connected with the ring plate one (20), and the small-diameter tube (26) is fixedly connected with the ring plate two (21).

8. The basement electrical wire and cable access floodwater backflow prevention construction method according to claim 6, characterized by, An initial position is set, and a gap is reserved between the touch rod (23) and the ring plate two (21); after the pressure automatic inflation pump (10) fills the high-strength large-tension annular inflatable bag (7), the ring plate two (21) moves towards the ring plate one (20), and the rear abutment drives the trigger touch rod (23) to bend; an electromagnetic control valve (29) is arranged on the pressure automatic inflation pump (10), the travel switch (22) is electrically connected with the electromagnetic control valve (29), and the pump is controlled to stop; after completion, a seal is formed.

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