Anti-falling safe water plugging air bag assembly

Abstract

The invention relates to the technical field of municipal pipe networks, in particular to an anti-falling safe water plugging air bag assembly which comprises a sewage well, a pressure control machine air pressure tank, a PLC control box and a steel sleeve, a sewage pipeline is arranged on an inner wall channel of the sewage well, the outer surface of the steel sleeve is connected with a rubber air bag through a bolt, a water drainage pipe is fixedly connected into the steel sleeve, and the water drainage pipe is fixedly connected with the inner wall of the steel sleeve. A water draining valve is arranged at the end, away from the steel sleeve, of the water draining pipe, a controller is arranged in the PLC control box, and a multi-branch gas collecting pipe is connected to a surface passageway of the pressure control machine air pressure tank. Through the arrangement of a supporting air bag of the air pressure supporting rod assembly, safety accidents caused by falling of the pipeline plugging device are effectively prevented, through real-time monitoring of the PLC control system, the air pressure sensor and the sewage pressure sensor, safety guarantee is provided for the construction and transformation process of a sewage pipe network, and through a pneumatic drainage valve, the safety of the pipeline plugging device is guaranteed. And pressure overpressure protection is effectively provided for the pipeline.

Description

Technical Field

[0001] The invention relates to the technical field of municipal pipe networks, and in particular to an anti-detachment safety water blocking airbag component. Background Art

[0002] During the construction and treatment of sewage pipes, temporary blocking is required to place the sewage well in an independent space. The traditional method is to use air bags to prevent pipe blocking, and then pump out the sewage in the sewage well to facilitate construction work. However, the air bags currently used are not pressure-resistant and of poor quality. They are prone to bursting and slipping, which can easily cause loss of life and property of personnel working in sewage wells. Moreover, the larger the pipe diameter, the larger the air bag used, which is more likely to cause bursting and slipping. Summary of the invention

[0003] The purpose of the present invention is to provide an anti-slip safety water-blocking airbag assembly to solve the problems raised in the above background technology that the currently used airbags are not pressure-resistant, have poor quality, are easy to explode and slip, and are easy to cause loss of life and property of personnel working in sewage wells. Moreover, the larger the pipe diameter, the larger the airbag used, which is more likely to cause explosion and slippage.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an anti-slip safety water-blocking airbag assembly, comprising a sewage well, a pressure control machine pressure tank, a PLC control box and a steel casing, wherein the inner wall passage of the sewage well is provided with a sewage pipe, the outer surface of the steel casing is connected with a rubber airbag by bolts, the interior of the steel casing is fixedly connected with a drain pipe, the end of the drain pipe away from the steel casing is provided with a drain valve, the interior of the PLC control box is provided with a controller, the surface passage of the pressure control machine pressure tank is connected with a multi-branch gas collecting pipe, the surface of the multi-branch gas collecting pipe is provided with a sensor assembly, the surface of the sensor assembly is provided with a pressure sensor, the inner side of the steel casing is fixedly connected with a cylinder part, the inner wall of the steel casing is embedded with a sewage sensor, the surface of the steel casing is penetrated by a through hole, and the surface of the through hole is sleeved with a gas pipeline.

[0005] Preferably, the steel casing is placed inside the sewage pipe through a sewage well, the rubber airbag is sleeved on the outer surface of the steel casing, and the rubber airbag is connected to the steel casing through a through hole on the steel casing.

[0006] Preferably, the air pressure tank of the pressure control machine inflates the space between the rubber airbag and the steel casing through an air pipeline, and the rubber airbag is in contact with the inner wall of the sewage pipe.

[0007] Preferably, one end of the drain pipe away from the drain valve is connected to the steel casing passage, and the pressure sensor on the sensor assembly is electrically connected to the controller via a wire.

[0008] Preferably, the pressure control machine air tank injects gas into the cylinder through a multi-branch gas collecting pipe and a sensor assembly, and the sewage sensor is electrically connected to the controller through a wire.

[0009] Preferably, the drain valve is electrically connected to the controller via a wire, and both ends of the steel casing are sealed and connected via bolts and a rubber airbag.

[0010] Preferably, a telescopic rod is provided inside the cylinder member, and one end of the telescopic rod away from the cylinder member is fixedly connected to a support block, and the surface passage of the cylinder member is connected to a cylinder air pipe, and the cylinder air pipe is connected to the pressure control machine air tank passage through a pipeline.

[0011] Preferably, the telescopic rod and the cylinder member are connected by gas sliding telescopic connection, the support block is connected by sliding connection between the telescopic rod and the cylinder member, and the cylinder air pipes are distributed in two groups on both sides of the cylinder member.

[0012] Preferably, the pressure sensor arranged on the sensor assembly includes a pneumatic drain valve closing pressure sensor, a pneumatic drain valve opening pressure sensor, a cylinder pressure relief sensor, a cylinder pressurization sensor and an airbag pressure sensor, and an electric valve is arranged on the surface of the sensor assembly, and the electric valve includes a pneumatic drain valve closing electric valve, a pneumatic drain valve opening electric valve, a cylinder pressure relief electric valve, a cylinder pressurization electric valve, an airbag pressurization electric valve and an airbag pressure relief electric valve.

[0013] Preferably, the controller includes an airbag pressure controller, a cylinder controller and a pneumatic valve controller.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The setting of the supporting airbag of the pneumatic support rod assembly can effectively prevent the pipeline plugging device from falling off and causing safety accidents; 2. Through the real-time monitoring of PLC control system, gas pressure sensor and sewage pressure sensor, it provides safety guarantee for the construction and renovation process of sewage pipe network; 3. Through the pneumatic drain valve, the pipeline is effectively provided with overpressure protection.

[0015] 4. Through structural design, large-diameter pipe plugging equipment can be produced to meet the needs of large-diameter pipeline plugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic front view of the structure of the present invention before water plugging; Figure 2 It is a schematic front view of the structure of the present invention after water blocking; Figure 3 It is a structural schematic diagram of the air pressure tank of the pressure control machine of the present invention; Figure 4 It is a structural stereoscopic schematic diagram of the steel casing of the present invention before water blocking; Figure 5 It is a structural stereoscopic schematic diagram of the steel casing after water blocking of the present invention; Figure 6 For the present invention Figure 5 Schematic diagram of partial three-dimensional cross-section of the structure of Sinosteel casing.

[0017] In the figure: 1. sewage well; 2. sewage pipe; 3. pressure control machine air pressure tank; 4. PLC control box; 41. controller; 5. multi-branch gas collecting pipe; 51. sensor assembly; 6. steel casing; 7. rubber air bag; 8. drain pipe; 81. drain valve; 9. gas pipeline; 10. cylinder parts; 101. telescopic rod; 102. support block; 103. cylinder air pipe; 11. sewage sensor. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-6 , an embodiment provided by the present invention: The invention discloses an anti-slip safety water plugging airbag assembly, comprising a sewage well 1, a pressure control machine air pressure tank 3, a PLC control box 4 and a steel casing 6. The inner wall passage of the sewage well 1 is provided with a sewage pipe 2. The outer surface of the steel casing 6 is connected with a rubber airbag 7 by bolts. The inside of the steel casing 6 is fixedly connected with a drain pipe 8. The end of the drain pipe 8 away from the steel casing 6 is provided with a drain valve 81. The inside of the PLC control box 4 is provided with a controller 41. The surface passage of the pressure control machine air pressure tank 3 is connected with a multi-branch gas collecting pipe 5. The surface of the multi-branch gas collecting pipe 5 is provided with a sensor. Sensor assembly 51, a pressure sensor is arranged on the surface of the sensor assembly 51, a cylinder part 10 is fixedly connected to the inner side of the steel casing 6, a sewage sensor 11 is embedded and connected to the inner wall of the steel casing 6, a through hole is penetrated through the surface of the steel casing 6, and a gas pipeline 9 is sleeved on the surface of the through hole, through the connection between the sewage well 1 and the sewage pipe 2, under the action of the steel casing 6 and the rubber airbag 7, through the action of the pressure control machine pressure tank 3, the volume of the rubber airbag 7 on the steel casing 6 is controlled, so as to achieve the effect of blocking the channel of the sewage pipe 2.

[0020] Furthermore, the steel casing 6 is placed inside the sewage pipe 2 through the sewage well 1, and the rubber airbag 7 is sleeved on the outer surface of the steel casing 6. The rubber airbag 7 is connected to the steel casing 6 through the through hole on the steel casing 6. Through the distribution of the sewage well 1 and the sewage pipe 2, under the action of the sewage well 1, it is convenient to place the steel casing 6 and use it in the sewage pipe 2.

[0021] Furthermore, the pressure control machine pressure tank 3 inflates the rubber airbag 7 and the steel casing 6 through the air transmission pipeline 9, and the rubber airbag 7 and the inner wall of the sewage pipe 2 are in contact with each other. Through the action of the pressure control machine pressure tank 3, the rubber airbag 7 is inflated. As the volume of the rubber airbag 7 changes, the rubber airbag 7 and the inner wall of the sewage pipe 2 are tightly in contact with each other, thereby achieving the effect of blocking the passage of the sewage pipe 2.

[0022] Furthermore, one end of the drain pipe 8 away from the drain valve 81 is connected to the passage of the steel casing 6, and the pressure sensor on the sensor assembly 51 is electrically connected to the controller 41 through a wire. Through the connection between the drain pipe 8 and the drain valve 81, the drain pipe 8 and the passage of the steel casing 6 are connected, and under the action of the drain valve 81, the pressure relief control effect of the sewage in the sewage pipe 2 is achieved.

[0023] Furthermore, the pressure control machine air tank 3 injects gas into the cylinder part 10 through the multi-branch gas collecting pipe 5 and the sensor assembly 51. The sewage sensor 11 is electrically connected to the controller 41 through a wire. Through the connection between the sewage sensor 11 and the steel casing 6, under the action of the sewage sensor 11, the sewage water pressure in the blocked sewage pipe 2 can be monitored, which facilitates the control operation of the use status of the drain valve 81.

[0024] Furthermore, the drain valve 81 is electrically connected to the controller 41 through a wire, and the two ends of the steel casing 6 are sealed and connected by bolts and rubber airbags 7. Through the connection between the drain valve 81 and the controller 41, the opening and closing effect of the drain pipe 8 passage is achieved, thereby completing the control operation of the sewage water pressure in the sewage pipe 2.

[0025] Furthermore, a telescopic rod 101 is provided inside the cylinder part 10, and one end of the telescopic rod 101 away from the cylinder part 10 is fixedly connected to a support block 102, and the surface passage of the cylinder part 10 is connected to a cylinder air pipe 103, and the cylinder air pipe 103 is connected to the passage of the pressure control machine air tank 3 through a pipeline. Through the connection between the cylinder part 10 and the telescopic rod 101, and under the connection between the support block 102 and the telescopic rod 101, the support and control effect of the position of the steel casing 6 in the sewage pipe 2 is achieved.

[0026] Furthermore, the telescopic rod 101 and the cylinder part 10 are connected by gas sliding telescopic connection, the support block 102 is connected by sliding connection between the telescopic rod 101 and the cylinder part 10, and the cylinder air pipe 103 is distributed in two groups on both sides of the cylinder part 10. Through the connection between the cylinder air pipe 103 and the cylinder part 10, under the action of the pressure control machine pressure tank 3, the position of the telescopic rod 101 in the cylinder part 10 is changed, so that the support block 102 is abutted against the inner wall of the sewage well 1, completing the support operation of the steel casing 6 in the sewage pipe 2.

[0027] Furthermore, the pressure sensors arranged on the sensor assembly 51 include a pneumatic drain valve closing pressure sensor, a pneumatic drain valve opening pressure sensor, a cylinder pressure relief sensor, a cylinder pressurization sensor and an airbag pressure sensor. An electric valve is arranged on the surface of the sensor assembly 51. The electric valve includes a pneumatic drain valve closing electric valve, a pneumatic drain valve opening electric valve, a cylinder pressure relief electric valve, a cylinder pressurization electric valve, an airbag pressurization electric valve and an airbag pressure relief electric valve. Through the action of the pneumatic drain valve closing pressure sensor and the pneumatic drain valve opening pressure sensor, the drain valve 81 can control the opening and closing of the drain pipe 8. Under the action of the cylinder pressure relief sensor and the cylinder pressurization sensor, the pressure control effect on the cylinder part 10 when in use is achieved. Under the action of the airbag pressure sensor, the control operation of the internal pressure of the rubber airbag 7 is facilitated.

[0028] Furthermore, the controller 41 includes an airbag pressure controller, a cylinder controller and a pneumatic valve controller. The airbag pressure controller facilitates the control operation of the pressure control machine pressure tank 3 on the gas delivery in the rubber airbag 7. Under the action of the cylinder controller, the pressure control machine pressure tank 3 completes the air supply operation on the air pressure in the cylinder part 10. Under the action of the pneumatic valve controller, the opening and closing control operation of the drain valve 81 and the drain pipe 8 is facilitated.

[0029] Working principle: When it is necessary to block the sewage pipe 2: First, place the water blocking airbag in the sewage pipe 2, the telescopic rod 101 is in a retracted state, the drain valve 81 is in an open state, the steel casing 6 and the rubber airbag 7 are not inflated, the pressure control machine pressure tank 3 is in an automatic inflation state, and the telescopic rod 101 and the support block 102 are pushed to extend toward the wall of the sewage well 1 through the pressure control machine pressure tank 3 and the controller 41. After the support block 102 reaches the wall, the cylinder 10 continues to push the steel casing 6 and the rubber airbag 7 as a whole into the sewage pipe 2 in the opposite direction until the entire device enters the sewage pipe 2 position. The cylinder pressurization electric valve is closed through the pressure parameter signal fed back by the cylinder pressurization pressure sensor to maintain a constant pressure state. If the pressure drops, the electric valve is opened in time to supplement the pressure to ensure that the support block 102 is stressed to prevent the rubber airbag 7 from falling off. The airbag pressurization electric valve and the airbag pressure relief electric valve are opened through the PLC control box 4, and the compressed air enters the steel casing through the air pipe. 6 and the gap between the rubber airbag 7, so that the rubber airbag 7 is forced to expand until it blocks the sewage pipe 2, and the air pressure parameters are collected by the airbag pressure sensor. When the blocking set pressure is met, the airbag pressurization electric valve is closed to keep the rubber airbag 7 at the set pressure. If the airbag pressure sensor collects a pressure drop, the airbag pressurization electric valve is opened in time to supplement the pressure of the rubber airbag 7 to ensure that the air pressure of the rubber airbag 7 is stable to prevent water leakage in the sewage pipe 2. The pneumatic drain valve closing electric valve is opened through the PLC control box 4, and the compressed air enters the drain valve 81 through the air pipe. When the pressure parameter collected by the pneumatic drain valve closing pressure sensor reaches the closing valve setting value, the pneumatic drain valve closing electric valve is closed to stop the air supply, and the anti-slip safety water blocking airbag water blocking process is completed. The PLC control box 4 can monitor the water level and pressure in the sewage pipe 2 in real time through the sewage pressure sensor, and can set the water level parameters to provide early warning.

[0030] After the task is completed, unblock the pipeline: The pneumatic drain valve is opened through the PLC control box 4 to open the valve electric valve, and the sewage in the sewage pipe 2 is discharged through the pneumatic drain valve. When the water level and pressure in the sewage pipe 2 are monitored by the sewage pressure sensor and drop to a safe water level, the airbag pressure relief electric valve is opened to discharge the compressed air in the rubber airbag 7, and the rubber airbag 7 returns to its original state. The supporting cylinder pressure relief electric valve is opened through the PLC control box 4 to allow the telescopic rod 101 to retract back to its original position, and the rubber airbag 7 withdraws from the sewage pipe 2, and the task of blocking the sewage pipe 2 is completed.

[0031] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An anti-fall-off safety water plugging airbag assembly, comprising a sewage well (1), a pressure control machine air pressure tank (3), a PLC control box (4) and a steel casing (6), characterized in that: The inner wall passage of the sewage well (1) is provided with a sewage pipe (2); the outer surface of the steel casing (6) is connected to a rubber airbag (7) by bolts; the interior of the steel casing (6) is fixedly connected to a drain pipe (8); the end of the drain pipe (8) away from the steel casing (6) is provided with a drain valve (81); the interior of the PLC control box (4) is provided with a controller (41); the surface passage of the pressure control machine air pressure tank (3) is connected to a multi-branch gas collecting pipe (5); the surface of the multi-branch gas collecting pipe (5) is provided with a sensor assembly (51); the surface of the sensor assembly (51) is provided with a pressure sensor; the inner side of the steel casing (6) is fixedly connected to a cylinder member (10); the inner wall of the steel casing (6) is connected to a sewage sensor (11); a through hole is opened through the surface of the steel casing (6); and a gas transmission pipeline (9) is sleeved on the surface of the through hole.

2. The anti-fall-off safety water blocking airbag assembly according to claim 1, characterized in that: The steel casing (6) is placed inside the sewage pipe (2) through the sewage well (1), the rubber airbag (7) is sleeved on the outer surface of the steel casing (6), and the rubber airbag (7) is connected to the steel casing (6) through a through hole on the steel casing (6).

3. The anti-fall-off safety water blocking airbag assembly according to claim 1, characterized in that: The pressure control machine air pressure tank (3) inflates air between the rubber airbag (7) and the steel casing (6) through the air transmission pipeline (9), and the rubber airbag (7) is in contact with the inner wall of the sewage pipeline (2).

4. The anti-fall-off safety water blocking airbag assembly according to claim 1, characterized in that: One end of the drain pipe (8) away from the drain valve (81) is connected to the passage of the steel casing (6), and the pressure sensor on the sensor assembly (51) is electrically connected to the controller (41) via a wire.

5. The anti-fall-off safety water blocking airbag assembly according to claim 1, characterized in that: The pressure control machine air pressure tank (3) injects gas into the cylinder part (10) through a multi-branch gas collecting pipe (5) and a sensor assembly (51), and the sewage sensor (11) is electrically connected to the controller (41) through a wire.

6. The anti-fall-off safety water blocking airbag assembly according to claim 1, characterized in that: The drain valve (81) is electrically connected to the controller (41) via a wire, and both ends of the steel casing (6) are sealed via bolts and a rubber airbag (7).

7. The anti-fall-off safety water blocking airbag assembly according to claim 1, characterized in that: A telescopic rod (101) is arranged inside the cylinder member (10); one end of the telescopic rod (101) away from the cylinder member (10) is fixedly connected to a support block (102); a surface passage of the cylinder member (10) is connected to a cylinder air pipe (103); and the cylinder air pipe (103) is connected to a passage of a pressure control machine air tank (3) through a pipeline.

8. The anti-fall-off safety water blocking airbag assembly according to claim 7, characterized in that: The telescopic rod (101) and the cylinder member (10) are connected in a sliding telescopic manner via gas, the support block (102) is connected in a sliding manner via the telescopic rod (101) and the cylinder member (10), and the cylinder air pipes (103) are distributed in two groups on both sides of the cylinder member (10).

9. The anti-fall-off safety water blocking airbag assembly according to claim 1, characterized in that: The pressure sensors arranged on the sensor assembly (51) include a pneumatic drain valve closing pressure sensor, a pneumatic drain valve opening pressure sensor, a cylinder pressure relief sensor, a cylinder pressurization sensor and an airbag pressure sensor. The surface of the sensor assembly (51) is provided with an electric valve, and the electric valve includes a pneumatic drain valve closing electric valve, a pneumatic drain valve opening electric valve, a cylinder pressure relief electric valve, a cylinder pressurization electric valve, an airbag pressurization electric valve and an airbag pressure relief electric valve.

10. The anti-fall-off safety water blocking airbag assembly according to claim 1, characterized in that: The controller (41) comprises an air bag air pressure controller, a cylinder controller and a pneumatic valve controller.

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