CN219655866U - Sewage pipe general survey device - Google Patents

Abstract

The utility model relates to the technical field of sewage pipe screening, in particular to a sewage pipe screening device which comprises a box body, an exhaust fan and a smoke generator, wherein the exhaust fan and the smoke generator are arranged in the box body, one end of the box body is an air inlet end of the exhaust fan, the other end of the box body, which is far away from the exhaust fan, is connected with a smoke guide pipe, the smoke generator is positioned between the exhaust fan and the smoke guide pipe, and the side wall of the smoke guide pipe is communicated with a smoke exhaust pipe. The utility model can judge the distribution condition of the sewage pipe through the smoke diffusion track.

Description

Sewage pipe general survey device

Technical Field

The utility model relates to the technical field of sewage pipe screening, in particular to a sewage pipe screening device.

Background

In municipal sewage pipe networks, due to the fact that the distribution of the sewage pipe networks is complicated, the sewage pipes of the sewage pipe networks are buried underground, some sewage pipes are not communicated, and in order to generally check whether communication relations exist among the sewage pipes, observation is generally conducted through periscopes.

In view of the above-mentioned related art, the inventors considered that when the sewage flow rate in the sewage pipe is relatively large, the periscope occupies a large part of the space of the sewage pipe when the periscope is extended into the sewage pipe, and thus the field of view of the periscope is not wide enough, and there is uncertainty as to whether or not the sewage pipes are connected.

Disclosure of Invention

In order to better censor clear communication between sewage pipes, the utility model provides a sewage pipe censoring device.

The utility model provides a sewage pipe general investigation device, which adopts the following technical scheme:

the utility model provides a sewer general survey device, includes the box and install in exhaust fan and smoke generator in the box, the one end of box is the inlet end of exhaust fan, the box is kept away from the other end of exhaust fan is connected with leads the tobacco pipe, smoke generator is located the exhaust fan with lead between the tobacco pipe, the lateral wall intercommunication that leads the tobacco pipe has the tobacco pipe of discharging fume.

Through adopting above-mentioned technical scheme, when the general investigation sewage pipe distribution condition, the box is located outside the sewage well, leads the tobacco pipe and discharges fume the pipe and stretch into in the sewage well after, makes the fume pipe that discharges fume can stretch into in the sewage pipe, opens air exhauster and smoke generator again, and the air current that the air exhauster produced drives smog and gets into in the sewage pipe, and smog diffuses along the sewage pipe, looks over the smoke discharging condition of other relevant sewage wells to obtain smog diffusion orbit, thereby obtain the distribution condition of sewage pipe more accurately.

Optionally, install the overflow pipe on the lateral wall of leading the tobacco pipe, the cover is equipped with the end cap that is used for shutoff sewage mouth of pipe on the overflow pipe, the overflow pipe is kept away from lead the one end of tobacco pipe and have first opening, the overflow pipe is close to lead the one end lateral wall of tobacco pipe and have the second opening, the flue pipe cover is located in the overflow pipe, the one end of discharging fume the pipe stretches out outside the overflow pipe, when the end cap shutoff sewage mouth of pipe, the one end of discharging fume the pipe stretches out outside the overflow pipe is located first open-ended top.

By adopting the technical scheme, after the smoke exhaust pipe stretches into the sewage pipe, the plug plays a role in plugging the sewage pipe orifice, so that the sewage pipe orifice is plugged, sewage in the sewage pipe can flow into the sewage well from the overflow pipe, and sewage in the sewage well can also flow into the sewage pipe, so that the flow of sewage between the sewage well and the sewage pipe is not influenced when the plug plugs the sewage pipe orifice, the plug can reduce the outflow of smoke from the sewage pipe orifice close to the smoke exhaust pipe, and the smoke can flow and spread along the length direction of the sewage pipe better.

Optionally, the plug is made of rubber material, and part of the plug is attached to the inner wall of the sewage pipe.

By adopting the technical scheme, the plug is made of rubber materials, so that the plug can be properly deformed, and the plug can be better attached to the inner wall of the sewage pipe.

Optionally, the middle part position of end cap is for being used for the shutoff portion with the laminating of sewer pipe inner wall, the both ends of end cap are first connecting portion and second connecting portion respectively, the shutoff portion external diameter of end cap is the biggest and the shutoff portion reduces gradually to the external diameter at the both ends of end cap, first connecting portion fixed mounting in on the overflow pipe, second connecting portion slidable mounting in on the overflow pipe, be provided with the mounting that is used for fixed second connecting portion on the overflow pipe.

By adopting the technical scheme, because the plug is made of deformable rubber, when the second connecting part slides in the direction away from the first connecting part, the outer diameter of the plugging part of the plug is reduced, the second connecting part is fixed on the overflow pipe by the fixing piece when the second connecting part stops sliding, and the plugging part can be plugged into a sewage pipe with smaller inner diameter; when the second connecting portion slides to the direction close to the first connecting portion, the outer diameter of the plugging portion of the plug is increased, the second connecting portion is fixed on the overflow pipe by the fixing piece when sliding is stopped, and the plugging portion can be plugged into the sewage pipe with the larger inner diameter.

Optionally, the second connecting portion include go-between and fixed mounting in the connection piece of go-between, the connection piece is followed the circumference interval setting of go-between, the go-between cup joint in on the overflow pipe, the connection piece laminating in on the overflow pipe outer wall, the mounting includes solid fixed ring, it has the external screw thread to distribute on the go-between, gu fixed ring part inner wall distribution have be used for with go-between threaded connection's internal screw thread, gu fixed ring inner wall has annular arch, works as gu fixed ring with go-between threaded connection, protruding support press in on the connection piece.

Through adopting above-mentioned technical scheme, protruding back in the connection piece of supporting, the frictional force increase between connection piece and the overflow pipe outer wall to make the go-between fixed on the overflow pipe.

Optionally, a water inlet hole is formed in the side wall of the lower end of the smoke guide pipe, and the overflow pipe is located between the box body and the water inlet hole.

Through adopting above-mentioned technical scheme, when the end cap shutoff sewer pipe smog spreads after a certain time, the time of detecting personnel leave the fog generator and go to observe the fog in the diffusion condition, if the sewage upstream suddenly drains or the water pump of sewer water downstream stops the condition of drawing water and takes place, sewage volume in the sewage well can rise gradually, because lead the tobacco pipe and have the inlet opening, so the sewage liquid level in the tobacco pipe and the sewage liquid level of sewage well flush, when sewage risen to sewage shutoff exhaust pipe, the smog can no longer pass through the exhaust pipe and let in the sewer pipe, receive the automatic tripping operation of resistant air exhauster start protection mechanism, can make air exhauster and fog generator's power form the series connection state, the fog generator also automatic shutdown when letting the air exhauster close, the detecting personnel just need not to go back to close fog generator and air exhauster immediately when other sewage rises to find sewage.

Optionally, a floating plate and a sealing plate are installed in the smoke guide pipe, the floating plate is located below the sealing plate, a connecting rod is connected between the floating plate and the sealing plate, the outer peripheral side of the sealing plate is in sealing contact with the inner wall of the smoke guide pipe, and in a first state, the sealing plate is located between the water inlet hole and the overflow pipe; and in the second state, the sealing plate is positioned at one side of the smoke exhaust pipe away from the water inlet.

Through adopting above-mentioned technical scheme, when sewage got into and led in the tobacco pipe, the kickboard received buoyancy to promote the shrouding and upwards moved, under first state, the smoke in the tobacco pipe of leading can be normally followed and discharged from the tobacco pipe of discharging, when sewage risees, under the second state, the shrouding can shutoff to discharge the tobacco pipe, and smoke can not normally follow the discharge of discharging the tobacco pipe any longer, and the setting of shrouding and kickboard can make sewage rise the in-process, can accelerate to make the air exhauster that receives the resistance start protection mechanism automatic trip.

Optionally, the overflow pipe and the smoke exhaust pipe are detachably arranged on the smoke guide pipe.

Through adopting above-mentioned technical scheme, overflow pipe and exhaust the tobacco pipe and all can dismantle the change, can change the overflow pipe of big pipe diameter according to the sewage volume condition.

Optionally, the smoke guide tube is a telescopic tube.

By adopting the technical scheme, the telescopic smoke guide pipe can be better suitable for sewage wells with different depths.

In summary, the present utility model includes at least one of the following beneficial effects:

1. when the smoke diffuses in the sewage pipe, whether the smoke is discharged from other sewage wells or not can be observed, so that a smoke diffusion track is obtained, and the distribution condition of the sewage pipe can be judged;

2. under the condition that the sewage suddenly rises after the smoke is diffused, the exhaust fan can be closed when the sewage is used for blocking the smoke exhaust pipe, so that the exhaust fan can be closed in time when the sewage rises.

Drawings

FIG. 1 is a schematic illustration of an embodiment of the present utility model as applied in a bilge well;

FIG. 2 is a partial schematic view of an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view at A of FIG. 2;

fig. 4 is an enlarged schematic view at B of fig. 2.

Reference numerals illustrate: 1. a case; 2. an exhaust fan; 3. a smoke generator; 4. a smoke guide pipe; 41. a fixed tube; 42. a movable tube; 43. a water inlet hole; 44. a floating plate; 45. a sealing plate; 46. a connecting rod; 5. a smoke exhaust pipe; 6. an overflow pipe; 61. a first opening; 62. a second opening; 601. a connection section; 602. a drainage section; 7. a plug; 71. a blocking part; 72. a first connection portion; 73. a second connecting portion; 731. a connecting ring; 732. a connecting sheet; 8. a fixing ring; 81. a protrusion; 9. a connecting seat; 91. a first bayonet; 92. a second bayonet; 10. a bilge well; 20. a sewage pipe.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a sewage pipe census device. Referring to fig. 1, a general survey device for sewage pipes comprises a box body 1, and an exhaust fan 2 and a smoke generator 3 which are arranged in the box body 1, wherein one end of the box body 1 is an air inlet end of the exhaust fan 2, the other end of the box body 1, which is far away from the exhaust fan 2, is connected with a smoke guide pipe 4, the smoke generator 3 is positioned between the exhaust fan 2 and the smoke guide pipe 4, and when the exhaust fan 2 and the smoke generator 3 are opened, air flow pumped by the exhaust fan 2 can push smoke to flow towards the direction of the smoke guide pipe 4. The outer side wall of the smoke guide pipe 4 is vertically connected with a smoke discharge pipe 5, and the smoke guide pipe 4 is communicated with the smoke discharge pipe 5. When the smoke guide pipe 4 and the smoke discharge pipe 5 extend into the sewage well 10, the tank body 1 is positioned outside the sewage well 10, and one end of the smoke discharge pipe 5, which is far away from the smoke guide pipe 4, extends into the sewage pipe 20.

Referring to fig. 1, the smoke guide pipe 4 is a telescopic pipe. The smoke guide tube 4 comprises a fixed tube 41 and a plurality of movable tubes 42 which are sleeved with each other, and the fixed tube 41 is fixedly arranged on the box body 1. The pipe diameters of the movable pipes 42 which are sleeved with each other are gradually reduced, and the movable pipe 42 with the largest pipe diameter is in sliding connection with the fixed pipe 41. The end of the movable pipe 42 with the smallest pipe diameter far away from the tank body 1 is a closed end, and the movable pipe 42 with the smallest pipe diameter is fixedly connected with an abutting plate for abutting against the bottom wall of the sewage well 10.

Referring to fig. 2, an overflow pipe 6 is further installed on the outer sidewall of the smoke guide pipe 4, a first opening 61 is formed at one end of the overflow pipe 6 away from the smoke guide pipe 4, a second opening 62 is formed at one end sidewall of the overflow pipe 6 close to the smoke guide pipe 4, the smoke discharge pipe 5 is located in the overflow pipe 6, and the smoke discharge pipe 5 and the overflow pipe 6 are not coaxially arranged. The end of the smoke exhaust pipe 5 far away from the smoke guide pipe 4 extends out of the overflow pipe 6, the end of the smoke exhaust pipe 5 extending out of the overflow pipe 6 is provided with a bending part, and when the overflow pipe 6 and the smoke exhaust pipe 5 are positioned in the sewage pipe 20, a smoke outlet of the smoke exhaust pipe 5 is positioned above the first opening 61 of the overflow pipe 6. The overflow pipe 6 is sleeved with a plug 7 for blocking the opening of the sewage pipe 20, the plug 7 is made of rubber materials, and part of the plug 7 is attached to the inner wall of the sewage pipe 20.

Referring to fig. 2, the middle portion of the plug 7 is provided with a plugging portion 71 for being attached to the inner wall of the sewage pipe 20, two ends of the plug 7 are provided with a first connecting portion 72 and a second connecting portion 73, the outer diameter of the plugging portion 71 of the plug 7 is the largest, the outer diameter of the plugging portion 71 is gradually reduced towards two ends of the plug 7, the first connecting portion 72 is fixedly mounted on the overflow pipe 6, and the second connecting portion 73 is slidably mounted on the overflow pipe 6. When the second connection portion 73 slides on the overflow pipe 6, the entire plug 7 is deformed, resulting in an increase or decrease in the outer diameter of the plug portion 71, so that the plug 7 is a variable-diameter rubber plug, and the plug 7 can be applied to sewage pipes 20 with different inner diameters. When the second connection part 73 stops sliding, a fixing member for fixing the second connection part 73 is provided on the overflow pipe 6.

Referring to fig. 3, the second connection portion 73 includes a connection ring 731 and a connection piece 732 fixedly mounted on the connection ring 731, the connection piece 732 is fixedly mounted on an end surface of the connection ring 731 facing away from the plug 7, the connection piece 732 is uniformly distributed at intervals along a peripheral side of the connection ring 731, an inner peripheral side of the connection ring 731 is attached to the overflow pipe 6, an outer thread is distributed on an outer peripheral side of the connection ring 731, and the connection piece 732 is attached to an outer wall of the overflow pipe 6. The fixing piece comprises a fixing ring 8, the inner diameter of the fixing ring 8 is larger than that of the overflow pipe 6, part of the inner peripheral side wall of the fixing ring 8 is distributed with internal threads which are used for being connected with the connecting ring 731 in a threaded mode, and the inner peripheral side wall of the fixing ring 8 is provided with annular protrusions 81. When the fixing ring 8 is screwed with the connection ring 731, the protrusion 81 is pressed against the connection piece 732 to increase friction between the connection piece 732 and the overflow pipe 6, so that the first connection portion 72 is fixed on the overflow pipe 6.

Referring to fig. 2 and 4, a connection seat 9 is fixedly connected to the outer sidewall of the smoke guide tube 4, and the connection seat 9 is positioned on a movable tube 42 with the minimum tube diameter. The overflow pipe 6 and the smoke exhaust pipe 5 are detachably arranged on the connecting seat 9. The overflow pipe 6 includes a connection section 601 for connection with the connection seat 9 and a drain section 602 for draining water, and the first opening 61 and the second opening 62 are respectively located on both ends of the drain section 602.

Referring to fig. 4, the connecting seat 9 is provided with a first bayonet 91 and a second bayonet 92, and the first bayonet 91 penetrates through the connecting seat 9 to be communicated with the movable tube 42. The smoke exhaust pipe 5 is clamped on the first bayonet 91, and the connecting section 601 of the overflow pipe 6 is clamped on the second bayonet 92. The overflow pipe 6 and the smoke exhaust pipe 5 are replaceable, and the overflow pipes 6 with different pipe diameters can be replaced according to the sewage water quantity condition. The pipe diameter of the overflow pipe 6 is mainly changed on the pipe diameter of the drainage section 602, and the pipe diameter of the connecting section 601 is unchanged, so that the overflow pipes 6 with different pipe diameters can be connected with the same connecting seat 9.

Referring to fig. 2, a water inlet 43 is formed in the side wall of the lower end of the smoke guide pipe 4, and the water inlet 43 is positioned on the movable pipe 42 with the minimum pipe diameter. The inlet opening 43 is located on the side of the overflow pipe 6 remote from the tank 1. When sewage between the sewage well 10 and the sewage pipe 20 circulates, the water level in the smoke guide pipe 4 is basically positioned on the side of the overflow pipe 6 away from the box body 1, and the sewage in the smoke guide pipe 4 has no influence on the diffusion of smoke.

If the sewage is suddenly discharged upstream or the suction pump downstream of the sewage stops pumping, the sewage amount in the sewage well 10 gradually increases. If at this point the operator is beside the suction fan 2, the suction fan 2 may be turned off and the entire screening device removed from the bilge well 10.

If when the sewage rises and workers record the smoke diffusion condition at other sewage wells 10, when the sewage rises to the smoke inlet end of the blocking smoke exhaust pipe 5, smoke can not be led into the sewage pipe 20 through the smoke exhaust pipe 5, and the resistance-applied exhaust fan 2 starts the protection mechanism to automatically trip, so that the power supplies of the exhaust fan 2 and the smoke generator 3 form a serial state, the smoke generator 3 is also automatically closed when the exhaust fan 2 is closed, and a detector does not need to immediately turn back to close the smoke generator 3 and the exhaust fan 2 when other sewage wells 10 are closed.

Referring to fig. 2, in order to close the smoke generator 3 and the exhaust fan 2 more timely in an emergency, a floating plate 44 and a sealing plate 45 are installed in the smoke guiding tube 4, the outer peripheral side of the sealing plate 45 is in sealing contact with the inner wall of the smoke guiding tube 4, and the floating plate 44 is located below the sealing plate 45. A connecting rod 46 is connected between the floating plate 44 and the sealing plate 45, so that the floating plate 44 pushes the sealing plate 45 to move upwards when the water level rises upwards. In the first state, the sealing plate 45 is located between the water inlet 43 and the overflow pipe 6, and smoke can normally enter the smoke exhaust pipe 5. In the second state, the water level of the sealing plate 45 rises to a level that the sealing plate 45 is positioned on the side of the smoke exhaust pipe 5 away from the water inlet 43, and the sewage water does not block the smoke exhaust pipe 5 yet, but the sealing plate 45 blocks the smoke exhaust pipe 5.

The implementation principle of the sewage pipe census device provided by the embodiment of the utility model is as follows:

after the sewage pipe 20 is plugged by the plug 7, the smoke exhaust pipe 5 and the overflow pipe 6 extend into the sewage pipe 20, sewage between the sewage pipe 20 and the sewage well 10 can circulate through the overflow pipe 6, smoke enters the sewage pipe 20 through the smoke exhaust pipe 5 after the smoke generator 3 and the exhaust fan 2 are opened, a large amount of smoke can be diffused along the length direction of the sewage pipe 20 by the plug 7, and workers observe whether smoke is emitted from other relevant sewage wells 10 or not, so that the distribution condition of the sewage pipe 20 is judged.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (9)

1. A sewer screening device, characterized in that: including box (1) and install in air exhauster (2) and smoke generator (3) in box (1), the one end of box (1) is for the inlet end of air exhauster (2), box (1) is kept away from the other end of air exhauster (2) is connected with and leads tobacco pipe (4), smoke generator (3) are located air exhauster (2) with lead between tobacco pipe (4), the lateral wall intercommunication of leading tobacco pipe (4) has smoke tube (5).

2. A sewer screening device according to claim 1, wherein: install overflow pipe (6) on the lateral wall of leading tobacco pipe (4), the cover is equipped with plug (7) that are used for shutoff sewer pipe (20) mouth on overflow pipe (6), overflow pipe (6) are kept away from the one end that leads tobacco pipe (4) has first opening (61), overflow pipe (6) are close to one end lateral wall that leads tobacco pipe (4) has second opening (62), it locates to discharge fume pipe (5) cover in overflow pipe (6), discharge fume pipe (5) one end stretches out outside overflow pipe (6), when plug (7) shutoff sewer pipe (20) mouth, discharge fume pipe (5) stretch out one end outside overflow pipe (6) is located the top of first opening (61).

3. A sewer screening device according to claim 2, wherein: the plugs (7) are made of rubber materials, and part of the plugs (7) are attached to the inner wall of the sewage pipe (20).

4. A sewer screening device according to claim 3, wherein: the middle part position of end cap (7) is for being used for with shutoff portion (71) of sewer pipe (20) inner wall laminating, the both ends of end cap (7) are first connecting portion (72) and second connecting portion (73) respectively, the shutoff portion (71) external diameter of end cap (7) is biggest and shutoff portion (71) reduces gradually to the external diameter at the both ends of end cap (7), first connecting portion (72) fixed mounting in on overflow pipe (6), second connecting portion (73) slidable mounting in on overflow pipe (6), be provided with the mounting that is used for fixed second connecting portion (73) on overflow pipe (6).

5. A sewer screening device according to claim 4, wherein: the second connecting portion (73) comprises a connecting ring (731) and a connecting sheet (732) fixedly installed on the connecting ring (731), the connecting sheet (732) is arranged along the circumferential direction of the connecting ring (731) at intervals, the connecting ring (731) is sleeved on the overflow pipe (6), the connecting sheet (732) is attached to the outer wall of the overflow pipe (6), the fixing piece comprises a fixing ring (8), external threads are distributed on the connecting ring (731), internal threads which are used for being in threaded connection with the connecting ring (731) are distributed on part of the inner wall of the fixing ring (8), annular protrusions (81) are arranged on the inner wall of the fixing ring (8), and the protrusions (81) are propped against the connecting sheet (732).

6. A sewer screening device according to claim 2, wherein: the side wall of the lower end of the smoke guide pipe (4) is provided with a water inlet hole (43), and the overflow pipe (6) is positioned between the box body (1) and the water inlet hole (43).

7. A sewer screening device according to claim 6, wherein: a floating plate (44) and a sealing plate (45) are arranged in the smoke guide pipe (4), the floating plate (44) is positioned below the sealing plate (45), a connecting rod (46) is connected between the floating plate (44) and the sealing plate (45), the outer circumferential side of the sealing plate (45) is in sealing contact with the inner wall of the smoke guide pipe (4), and the sealing plate (45) is positioned between the water inlet hole (43) and the overflow pipe (6) in a first state; in the second state, the sealing plate (45) is positioned at one side of the smoke exhaust pipe (5) far away from the water inlet hole (43).

8. A sewer screening device according to claim 2, wherein: the overflow pipe (6) and the smoke exhaust pipe (5) are detachably arranged on the smoke guide pipe (4).

9. A sewer screening device according to claim 1, wherein: the smoke guide pipe (4) is a telescopic pipe.