Municipal pipelines with blocking airbags based on municipal control

Abstract

The present invention provides a municipal pipeline with a blocking airbag based on municipal control, which relates to the field of pipeline control technology, including: a control compartment, the top of which is integrally provided with a water inlet pipe; three groups of outlet pipes are connected and arranged on the rear sides and the rear end of the control compartment; a vertical slot is integrally provided on the top of the rear side of the control compartment; an oblique slot is provided on the front side of the top of the control compartment, and the oblique slot is connected to the vertical slot. According to the driven shaft of each embodiment of the present invention, a dual transmission effect is provided, which can quickly provide an active transmission effect when a transmission fails. When the power input of the impeller is insufficient or a boost is required, the starting motor can drive the inner ratchet gear to rotate, and the driven shaft is driven to rotate by stable power, thereby realizing a dual switching effect, which is convenient to switch, and can achieve a labor-saving effect and an active conveying effect when used simultaneously, thereby solving the problem that the existing pipeline is inconvenient to quickly provide an active transmission effect when a transmission fails.

Description

Technical Field

[0001] The present invention relates to the technical field of pipeline control, and in particular to a municipal pipeline equipped with a blocking airbag based on municipal control. Background Art

[0002] Airbag blocking is a current control method for municipal pipelines. An airbag is sent into the pipeline and filled with gas using an inflation device to expand the airbag until the airbag completely blocks the pipeline, thereby achieving the purpose of water blocking. It is used in multi-branch pipelines to achieve flow direction control.

[0003] However, the municipal pipelines currently in use lack a control effect that can be used selectively, and it is inconvenient to quickly provide an active transmission effect when a transmission fails. During operation, it is difficult to control different airbags through a unified power structure and node control, which is not conducive to rapid control. Summary of the invention

[0004] In view of this, the present invention provides a municipal pipeline with a blocking airbag based on municipal control, which has a receiving net and a filter net, can provide filtering and storage effects, can block large impurities in the water and guide them to settle in the receiving net, and can be recycled by removing the receiving net, which is convenient to operate.

[0005] The present invention provides a municipal pipeline with a blocking airbag based on municipal control, specifically comprising: a control bin, the top of which is integrally provided with a water inlet pipe; three groups of outlet pipes are connected and arranged on the rear sides and the rear end of the control bin; a vertical slot is integrally provided on the top of the rear side of the control bin; an oblique slot is provided on the front side of the top of the control bin, and the oblique slot is connected to the vertical slot; a water passage bin and a transmission bin are provided inside the control bin, the water passage bin is located above the transmission bin, and the outlet pipe is connected to the water passage bin; a receiving net, the receiving net is inserted in the vertical slot, and the top of the receiving net is fixedly connected to the control bin; a closing plate, the closing plate is inserted in the oblique slot, and the closing plate is fixedly connected to the control bin; a motor, the The motor is fixedly arranged at the upper rear of the transmission bin; the U-shaped seat, the number of the U-shaped seat is set to two groups, and the two groups of U-shaped seats are fixedly arranged at the rear of both sides inside the transmission bin; the driven shaft, the driven shaft cooperates with two groups of airtight bearings to be rotatably arranged at the rear side of the partition of the water-passing bin and the transmission bin; the vertical tee, the number of the vertical tee is set to three groups, the vertical tee is fixedly arranged at the front side of the interior of the water-passing bin, and the front end of the vertical tee is connected with a cylindrical airbag, which is located in the outlet pipe; the ventilation bin, the number of the ventilation bin is set to three groups, and the three groups of ventilation bins are fixedly arranged at the front side of the interior of the transmission bin; the vertical plate, the vertical plate is fixedly arranged in the transmission bin, and the rear side of the vertical plate is connected with a corrugated airbag.

[0006] Optionally, the main body of the receiving net is a box-shaped net structure, the front top of the receiving net is an opening structure, and the opening structure is aligned with the oblique slot.

[0007] Optionally, an inclined filter screen is fixedly provided on the rear bottom of the closing plate, and the rear side of the inclined filter screen contacts the top of the opening structure of the containing net.

[0008] Optionally, the U-shaped seat includes: a telescopic cylinder, the adjacent surfaces of the two groups of U-shaped seats are connected with the telescopic cylinders, and a bar frame is fixedly arranged in the middle of the telescopic cylinders on both sides; a one-way valve A, the front side of the U-shaped seat is connected with the one-way valve A, and the one-way valve A is connected to the telescopic cylinder; two groups of integrated pipes are connected to the front ends of the one-way valves A on both sides.

[0009] Optionally, the driven shaft includes: a transmission plate, a transmission plate is fixedly arranged at the bottom end of the driven shaft, an eccentric rod is fixedly arranged at the bottom of the transmission plate, and the eccentric rod is slidably arranged in a bar frame; an impeller, an impeller is fixedly arranged at the top outer end of the driven shaft; an internal ratchet gear, an internal ratchet gear is fixedly arranged on the lower middle side of the outside of the driven shaft, and the internal ratchet gear is a bevel gear; a motor is provided with a bevel gear that meshes with the internal ratchet gear.

[0010] Optionally, the ventilation bin includes: an electric cylinder, which is fixedly arranged on the inner front side of the ventilation bin, and a T-shaped blocking block is fixedly arranged on the front end of the electric cylinder; a horizontal row, which is fixedly arranged on the inner rear side of the ventilation bin, the middle of the horizontal row is a hollow structure, and a circular hole is opened in the middle of the horizontal row, and the T-shaped blocking block can be inserted in the circular hole to close the horizontal row.

[0011] Optionally, branches are provided at the front end of the integrated pipe and are respectively connected to a group of ventilation chambers; branches are provided on one side of the front end of the integrated pipe and are directly connected to the vertical plate and are connected to the corrugated airbag, and a solenoid valve is provided in the middle of the pipe.

[0012] Optionally, one-way valves B are provided on both sides of the horizontal row through the ventilation bin, and a ventilation tube is provided on the outer side of the one-way valve B. Air pipes are provided on the top of the ventilation tube to communicate with the vertical three-way connection.

[0013] Beneficial Effects

[0014] The driven shaft according to each embodiment of the present invention provides a dual transmission effect, and can quickly provide an active transmission effect when one transmission fails. When the power input of the impeller is insufficient or boost is required, the starting motor can drive the inner ratchet gear to rotate, and drive the driven shaft to rotate through stable power, thereby achieving a dual switching effect. The switching is convenient, and using them at the same time can achieve a labor-saving effect and an active transmission effect.

[0015] In addition, the setting of the U-shaped seat provides the function of controlling different airbags by utilizing a unified power structure in conjunction with node control. When a group of cylindrical airbags needs to be expanded, the lower electric cylinder on the same side of the group of cylindrical airbags is contracted, and the gas in the corrugated airbag passes through the upper integrated pipe, the upper solenoid valve and the upper one-way valve A into the U-shaped seat and the telescopic cylinder, and then passes through the lower one-way valve A and the lower integrated pipe into the ventilation chamber, and then passes through the upper one-way valve B into the exhaust, and enters the vertical three-way to expand the cylindrical airbag to complete the expansion, and vice versa, it can also be contracted, providing a quick control function, and multiple groups of synchronous expansion or contraction can be performed at the same time.

[0016] In addition, the setting of the collection net and the filter net can provide filtering and storage effects, which can block large impurities in the water and guide them to settle in the collection net. The water can be recycled by removing the collection net, which is convenient for operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0018] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0019] In the attached picture:

[0020] Figure 1 A schematic diagram of a main body stereoscopic structure according to an embodiment of the present invention is shown;

[0021] Figure 2 A schematic diagram of a three-dimensional cross-sectional structure according to an embodiment of the present invention is shown;

[0022] Figure 3 A schematic diagram of a side elevation cross-sectional structure according to an embodiment of the present invention is shown;

[0023] Figure 4 A schematic diagram of a planar cross-sectional structure according to an embodiment of the present invention is shown;

[0024] Figure 5 A partial three-dimensional structural schematic diagram according to an embodiment of the present invention is shown;

[0025] Figure 6 A partial isometric structural schematic diagram according to an embodiment of the present invention is shown;

[0026] Figure 7 A schematic diagram of the internal structure of a ventilation bin according to an embodiment of the present invention is shown;

[0027] Figure 8 A schematic diagram of the three-dimensional structure of a U-shaped seat according to an embodiment of the present invention is shown;

[0028] Fig. 9A schematic diagram of a local enlarged structure of A according to an embodiment of the present invention is shown;

[0029] Fig.10 A schematic diagram of a local enlarged structure of B according to an embodiment of the present invention is shown.

[0030] Reference numerals list

[0031] 1. Control chamber; 101. Outlet pipe; 102. Vertical slot; 103. Oblique slot; 104. Water chamber; 105. Transmission chamber; 2. Receiving net; 3. Closing plate; 301. Oblique filter; 4. Motor; 5. U-shaped seat; 501. Telescopic cylinder; 502. Bar frame; 503. One-way valve A; 6. Driven shaft; 601. Transmission plate; 602. Eccentric rod; 603. Impeller; 604. Internal ratchet gear; 7. Vertical tee; 701. Cylindrical airbag; 8. Ventilation chamber; 801. Electric cylinder; 802. T-shaped block; 803. Horizontal row; 9. Integrated pipe; 10. One-way valve B; 11. Through-drain; 12. Solenoid valve; 13. Vertical plate; 14. Corrugated airbag. DETAILED DESCRIPTION

[0032] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0033] Example: Please refer to Figures 1 to 10 :

[0034] The present invention proposes a municipal pipeline with a blocking airbag based on municipal control, comprising: a control chamber 1, the top of which is integrally provided with a water inlet pipe; three groups of outlet pipes 101 are connected and arranged at the rear sides and the rear end of the control chamber 1; a vertical slot 102 is integrally provided at the top of the rear side of the control chamber 1; an oblique slot 103 is provided at the front side of the top of the control chamber 1, and the oblique slot 103 is connected with the vertical slot 102; a water chamber 104 and a transmission chamber 105 are provided inside the control chamber 1, the water chamber 104 is located above the transmission chamber 105, and the outlet pipe 101 is connected to the water chamber 104; a receiving net 2, the receiving net 2 is inserted into the vertical slot 102, and the top of the receiving net 2 is fixedly connected to the control chamber 1; a closing plate 3, the closing plate 3 is inserted into the oblique slot 103, and the closing plate 3 is fixedly connected to the control chamber 1; a motor 4 , the motor 4 is fixedly arranged at the upper rear of the transmission bin 105; the U-shaped seat 5, the number of the U-shaped seat 5 is set to two groups, and the two groups of U-shaped seats 5 are fixedly arranged at the rear of both sides of the inside of the transmission bin 105; the driven shaft 6, the driven shaft 6 cooperates with two groups of airtight bearings to be rotatably arranged on the rear side of the partition of the water passing bin 104 and the transmission bin 105; the vertical tee 7, the number of the vertical tee 7 is set to three groups, and the vertical tee 7 is fixedly arranged on the front side of the inside of the water passing bin 104, and the front end of the vertical tee 7 is connected with a cylindrical airbag 701, and the cylindrical airbag 701 is located in the outlet pipe 101; the ventilation bin 8, the number of the ventilation bin 8 is set to three groups, and the three groups of ventilation bins 8 are fixedly arranged on the front side of the inside of the transmission bin 105; the vertical plate 13, the vertical plate 13 is fixedly arranged in the transmission bin 105, and the rear side of the vertical plate 13 is connected with a corrugated airbag 14.

[0035] In addition, according to an embodiment of the present invention, reference Figure 2 The main body of the receiving net 2 is a box-shaped net structure, and the front top of the receiving net 2 is an opening structure, which is aligned with the oblique slot 103.

[0036] In addition, according to an embodiment of the present invention, reference Figure 2 An inclined filter screen 301 is fixedly arranged at the bottom of the rear side of the closing plate 3, and the rear side of the inclined filter screen 301 contacts the top of the opening structure of the containing net 2. The cooperation between the inclined filter screen 301 and the containing net 2 provides a filtering and collecting effect. The impurities intercepted by the inclined filter screen 301 roll into the inside of the containing net 2 by gravity, and the containing net 2 can be removed for recycling.

[0037] In addition, according to an embodiment of the present invention, reference Figure 8The U-shaped seat 5 includes: a telescopic cylinder 501, two groups of adjacent surfaces of the U-shaped seat 5 are connected with the telescopic cylinder 501, and a bar frame 502 is fixedly set in the middle of the telescopic cylinders 501 on both sides; a one-way valve A503, a one-way valve A503 is connected to the front side of the U-shaped seat 5, and the one-way valve A503 is connected to the telescopic cylinder 501; two groups of integrated pipes 9 are connected to the front ends of the one-way valves A503 on both sides; the contraction of the telescopic cylinder 501 can adjust the internal air pressure of the U-shaped seat 5; the two adjacent groups of one-way valves A503 above and below pass in opposite directions.

[0038] In addition, according to an embodiment of the present invention, reference Figure 8 and Fig. 9 The driven shaft 6 includes: a transmission disk 601, a transmission disk 601 is fixedly provided at the bottom end of the driven shaft 6, an eccentric rod 602 is fixedly provided at the bottom of the transmission disk 601, and the eccentric rod 602 is slidably provided in the bar frame 502; an impeller 603, an impeller 603 is fixedly provided at the top outer end of the driven shaft 6; an inner ratchet gear 604, an inner ratchet gear 604 is fixedly provided on the lower middle side of the outer side of the driven shaft 6, and the inner ratchet gear 604 is a bevel gear; the motor 4 is provided with a bevel gear that meshes with the inner ratchet gear 604 to provide a one-way transmission effect.

[0039] In addition, according to an embodiment of the present invention, reference Fig.10 The ventilation bin 8 includes: an electric cylinder 801, an electric cylinder 801 is fixedly arranged on the front side of the interior of the ventilation bin 8, a T-shaped blocking block 802 is fixedly arranged on the front end of the electric cylinder 801; a horizontal row 803, a horizontal row 803 is fixedly arranged on the rear side of the interior of the ventilation bin 8, the middle of the horizontal row 803 is a hollow structure, and a circular hole is opened in the middle of the horizontal row 803, the T-shaped blocking block 802 can be inserted in the circular hole to close the horizontal row 803, providing a valve effect.

[0040] In addition, according to an embodiment of the present invention, reference Figure 5-6 A branch is arranged at the front end of the integrated pipe 9 and is connected to a group of ventilation bins 8 respectively; a branch is arranged on one side of the front end of the integrated pipe 9 and is directly connected to the vertical plate 13 and is connected to the corrugated airbag 14, and a solenoid valve 12 is arranged in the middle of the pipe; both sides of the horizontal row 803 pass through the ventilation bin 8 and are connected to a one-way valve B10, and the outer side of the one-way valve B10 is connected to a drain 11, and an air pipe is arranged on the top of the drain 11 and is connected to the vertical three-way valve 7; the two adjacent groups of one-way valves B10 pass in opposite directions.

[0041] First embodiment

[0042] The present invention provides a municipal pipeline with a blocking airbag based on municipal control, referring to Figure 8 and Fig. 9, including: a control bin 1, the top of the control bin 1 is integrally provided with a water inlet pipe; three groups of outlet pipes 101 are connected and provided at the rear and rear ends of both sides of the control bin 1; a vertical slot 102 is integrally provided at the top of the rear side of the control bin 1; an oblique slot 103 is provided at the front side of the top of the control bin 1, and the oblique slot 103 is connected with the vertical slot 102; a water-passing bin 104 and a transmission bin 105 are provided inside the control bin 1, the water-passing bin 104 is located above the transmission bin 105, and the outlet pipe 101 is connected to the water-passing bin 104; a receiving net 2, ... The containing net 2 is inserted into the vertical slot 102, and the top of the containing net 2 is fixedly connected to the control bin 1; the closing plate 3 is inserted into the oblique slot 103, and the closing plate 3 is fixedly connected to the control bin 1; the motor 4 is fixedly arranged at the upper rear of the transmission bin 105; the U-shaped seat 5 is set in two groups, and the two groups of U-shaped seats 5 are fixedly arranged at the rear of both sides of the transmission bin 105; the driven shaft 6 is rotatably arranged on the rear side of the partition of the water-passing bin 104 and the transmission bin 105 in cooperation with two groups of airtight bearings;

[0043] The driven shaft 6 includes: a transmission disc 601, a transmission disc 601 is fixedly provided at the bottom end of the driven shaft 6, an eccentric rod 602 is fixedly provided at the bottom of the transmission disc 601, and the eccentric rod 602 is slidably provided in the bar frame 502; an impeller 603, an impeller 603 is fixedly provided at the top outer end of the driven shaft 6; an inner ratchet gear 604, an inner ratchet gear 604 is fixedly provided at the lower middle side of the outer part of the driven shaft 6, and the inner ratchet gear 604 is a bevel gear; the motor 4 is provided with a bevel gear that meshes with the inner ratchet gear 604 to provide a one-way transmission effect;

[0044] When water flows into the control chamber 1, it is first filtered through the inclined slot 103 and flows into the water passage chamber 104, driving the impeller 603 to rotate, and then driving the transmission disk 601 and the eccentric rod 602 to rotate. The eccentric rod 602 drives the bar frame 502 to reciprocate, and then repeatedly contracts the telescopic cylinders 501 on both sides to provide a transmission effect; when the power input of the impeller 603 is insufficient or a boost is required, the starting motor 4 can drive the inner ratchet gear 604 to rotate, and drive the driven shaft 6 to rotate through stable power, thereby achieving a dual switching effect, solving the problem that the existing pipeline is inconvenient to quickly provide an active transmission effect when one transmission fails.

[0045] Second embodiment

[0046] The present invention provides a municipal pipeline with a blocking airbag based on municipal control, referring to Figure 5-6, branches are arranged at the front end of the integrated pipe 9 and are respectively connected to a group of ventilation bins 8; a branch is arranged on one side of the front end of the integrated pipe 9 and is directly connected to the vertical plate 13 and is connected to the corrugated airbag 14, and a solenoid valve 12 is arranged in the middle of the pipe; both sides of the horizontal row 803 are connected through the ventilation bin 8 and are connected to the one-way valve B10, and the outer side of the one-way valve B10 is connected to the drain 11, and the top of the drain 11 is provided with an air pipe connected to the vertical three-way 7; reference Fig.10 The ventilation bin 8 includes: an electric cylinder 801, the electric cylinder 801 is fixedly arranged on the front side of the ventilation bin 8, and a T-shaped blocking block 802 is fixedly arranged on the front end of the electric cylinder 801; a horizontal row 803, the horizontal row 803 is fixedly arranged on the rear side of the ventilation bin 8, the middle of the horizontal row 803 is a hollow structure, and a round hole is opened in the middle of the horizontal row 803, and the T-shaped blocking block 802 can be inserted in the round hole to close the horizontal row 803, providing a valve effect;

[0047] The existing device mainly controls the expansion of the airbag individually, and lacks the effect of rapid adjustment using the same power; in the present invention, when a group of cylindrical airbags 701 needs to be expanded, the lower electric cylinder 801 on the same side of the group of cylindrical airbags 701 is contracted to connect the horizontal row 803 with the integrated pipe 9; the motor 4 is kept started, and the pressure is repeatedly adjusted using the bar frame 502, while the upper solenoid valve 12 is opened, and the lower solenoid valve 12 remains closed. The gas in the corrugated airbag 14 passes through the upper integrated pipe 9, the upper solenoid valve 12 and the upper one-way valve A503 to enter the U-shaped seat 5 and the telescopic cylinder 501, and then passes through the lower one-way valve A503 and the lower integrated pipe 9 to enter the ventilation bin 8, and then passes through the upper one-way valve B10 to enter the ventilation row 11, and enters the vertical three-way 7 to open the cylindrical airbag 701 to complete the expansion, providing a quick control function, and multiple groups can be closed at the same time.

[0048] Third embodiment

[0049] The present invention provides a municipal pipeline with a blocking airbag based on municipal control. In the second embodiment, only the input of the gas inside the cylindrical airbag 701 can be controlled, and the effect of exhausting the gas is not constituted;

[0050] When a group of airbags needs to be deflated, the upper electric cylinder 801 on the same side of the group of cylindrical airbags 701 is closed, and the lower solenoid valve 12 is opened at the same time. The upper solenoid valve 12 is closed, and the gas in the cylindrical airbag 701 passes through the exhaust 11 and the lower one-way valve B10 into the ventilation bin 8, and then passes through the upper one-way valve A503 and the upper integrated pipe 9 to enter the U-shaped seat 5 and the telescopic cylinder 501, and then passes through the lower one-way valve A503, the lower integrated pipe 9 and the lower solenoid valve 12 to enter the corrugated airbag 14, realizing gas recovery, thus forming a complete function of synchronous extension and retraction.

[0051] Finally, it should be noted that when describing the position of each component and the matching relationship between them, the present invention usually takes one / a pair of components as an example. However, those skilled in the art should understand that such position, matching relationship, etc. are also applicable to other components / other pairs of components.

[0052] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. Based on municipal control, municipal pipelines with blocking airbags are characterized by: The invention comprises: a control chamber (1), wherein the top of the control chamber (1) is integrally provided with a water inlet pipe; three groups of outlet pipes (101) are connected and arranged at the rear sides and the rear end of the control chamber (1); a vertical slot (102) is integrally provided at the top of the rear side of the control chamber (1); an oblique slot (103) is provided at the front side of the top of the control chamber (1), and the oblique slot (103) is connected to the vertical slot (102); a water passage chamber (104) and a transmission chamber (105) are provided inside the control chamber (1). 5), a water-passing chamber (104) is located above the transmission chamber (105), and the outlet pipe (101) is connected to the water-passing chamber (104); a receiving net (2), the receiving net (2) is inserted into the vertical slot (102), and the top of the receiving net (2) is fixedly connected to the control chamber (1); a closing plate (3), the closing plate (3) is inserted into the oblique slot (103), and the closing plate (3) is fixedly connected to the control chamber (1); a motor (4), the motor (4) is fixedly arranged on the transmission chamber (105); The transmission chamber (105) is provided with a U-shaped seat (5), the number of which is set to two groups, and the two groups of U-shaped seats (5) are fixedly arranged at the rear of both sides of the transmission chamber (105); a driven shaft (6), the driven shaft (6) is rotatably arranged on the rear side of the partition of the water-passing chamber (104) and the transmission chamber (105) in cooperation with two groups of airtight bearings; a vertical tee (7), the number of which is set to three groups, and the vertical tee (7) is fixedly arranged at the water-passing chamber (104), the front end of the vertical three-way (7) is connected to a cylindrical airbag (701), and the cylindrical airbag (701) is located in the outlet pipe (101); a ventilation chamber (8), the number of the ventilation chambers (8) is set to three groups, and the three groups of ventilation chambers (8) are fixedly arranged on the front side of the transmission chamber (105); a vertical plate (13), the vertical plate (13) is fixedly arranged in the transmission chamber (105), and the rear side of the vertical plate (13) is connected to a corrugated airbag (14); The U-shaped seat (5) comprises: Telescopic cylinders (501), the adjacent surfaces of the two sets of U-shaped seats (5) are connected and provided with telescopic cylinders (501), and bar frames (502) are fixedly provided in the middle of the telescopic cylinders (501) on both sides; A one-way valve A (503), the front side of the U-shaped seat (5) is connected with a one-way valve A (503), and the one-way valve A (503) is communicated with the telescopic cylinder (501); the front ends of the one-way valves A (503) on both sides are connected with two sets of integrated pipes (9); The driven shaft (6) comprises: A transmission disc (601), the bottom end of the driven shaft (6) is fixedly provided with the transmission disc (601), the bottom of the transmission disc (601) is fixedly provided with an eccentric rod (602), and the eccentric rod (602) is slidably provided in the bar frame (502); An impeller (603), an impeller (603) is fixedly disposed on the top outer end of the driven shaft (6); An internal ratchet gear (604) is fixedly provided on the lower middle side of the outside of the driven shaft (6), and the internal ratchet gear (604) is a bevel gear; the motor (4) is provided with a bevel gear that meshes with the internal ratchet gear (604); The ventilation chamber (8) comprises: An electric cylinder (801), the inner front side of the ventilation chamber (8) is fixedly provided with the electric cylinder (801), and the front end of the electric cylinder (801) is fixedly provided with a T-shaped blocking block (802); A horizontal row (803) is fixedly arranged on the rear side of the ventilation chamber (8), the middle of the horizontal row (803) is a hollow structure, and a round hole is opened in the middle of the horizontal row (803), and a T-shaped blocking block (802) can be inserted into the round hole to close the horizontal row (803); The front end of the integrated pipe (9) is provided with branches respectively connected to a group of ventilation chambers (8); a branch is provided on one side of the front end of the integrated pipe (9) to be directly connected to the vertical plate (13) and communicated with the corrugated airbag (14); a solenoid valve (12) is provided in the middle of the pipe; The two sides of the horizontal row (803) are connected to a one-way valve B (10) through the ventilation bin (8), and the outer side of the one-way valve B (10) is connected to a through-hole (11). The top of the through-hole (11) is provided with an air pipe connected to the vertical three-way (7).

2. The municipal pipeline with a blocking airbag based on municipal control as claimed in claim 1 is characterized in that: The main body of the receiving net (2) is a box-shaped net structure, and the front top of the receiving net (2) is an open structure, which is aligned with the oblique slot (103).

3. The municipal pipeline with a blocking airbag based on municipal control as claimed in claim 1 is characterized in that: An inclined filter screen (301) is fixedly arranged at the rear bottom of the closing plate (3), and the rear side of the inclined filter screen (301) contacts the top of the opening structure of the containing net (2).

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