CN209941873U - Pipeline dredging and sewage suction truck capable of preventing sludge in sewage suction pipe from flowing back - Google Patents

Abstract

The utility model relates to the field of underground pipeline dredging, in particular to a pipeline dredging and sewage suction vehicle for preventing backflow of sludge in a sewage suction pipe, which comprises a tank body and a sewage suction vehicle main body, wherein the tank body is arranged on the sewage suction vehicle main body, a pipe bracket is arranged above the tank body, the sewage suction pipe is arranged in the pipe bracket, a vacuum pump is arranged on the sewage suction vehicle main body, the pipeline dredging and sewage suction vehicle also comprises a backflow prevention device, when a cover plate and a baffle plate are rotated, the backflow prevention device can drive a square rod to rotate, under the matching action of the square rod and the square groove, a ball valve is rotated ninety degrees, the sewage suction pipe is closed, the phenomenon that the sludge in the sewage suction pipe falls on the ground to pollute the environment when the sewage suction pipe is taken out is avoided, simultaneously when the cover plate is not rotated, the baffle plate is independently rotated, under the effect of threaded connection between the baffle plate and a connecting rod, the connecting rod can move outwards, thereby driving the square, the sewage suction pipe is communicated to drop the sludge in the sewage suction pipe on the ground.

Description

Pipeline dredging and sewage suction truck capable of preventing sludge in sewage suction pipe from flowing back

Technical Field

The utility model relates to an underground piping desilting field especially indicates a prevent pipeline desilting soil pick-up car of sewage suction intraductal mud backward flow.

Background

Along with the rapid development of national economy in China, the environmental protection work is more and more emphasized by municipal departments, the environmental protection consciousness of people is also improved day by day, the urban sewage discharge is a very important part for ensuring environmental sanitation and building modern civilized cities, wherein when dredging drainage pipelines, a sewage suction truck is generally used for sucking out sludge in the pipelines, but after sewage suction is completed, partial sludge is remained in the sewage suction pipe, and when the sewage suction pipe is taken out to the ground, the residual sludge in the sewage suction pipe is often easily dropped to the ground to pollute the environment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pipeline desilting soil pick-up car of preventing sewage suction intraductal mud backward flow to overcome prior art taking out sewage suction pipe to subaerial, make its inside remaining mud drop to subaerial polluted environment's problem easily.

The utility model adopts the following technical scheme: a pipeline dredging and sewage suction truck for preventing sludge in a sewage suction pipe from flowing back,

as further improvement, including jar body 1 and soil pick-up car main part 6, jar body 1 is installed on soil pick-up car main part 6, pipe support 2 is installed to the top of jar body 1, install soil pick-up pipe 3 in the pipe support 2, be equipped with vacuum pump 5, its characterized in that on the soil pick-up car main part 6: the sewage suction pipe is characterized by further comprising an anti-backflow device 4, the anti-backflow device 4 is connected with one end of the sewage suction pipe 3 through a flange, the anti-backflow device 4 comprises an anti-backflow main body 41 and an installation pipe 42, the lower portion of the anti-backflow main body 41 is connected with the upper portion of the installation pipe 42 through a flange, a partition 411 is installed on the side surface of the anti-backflow main body 41, a connecting rod 412 is in threaded connection with the axis of the partition 411, a cover plate 4121 is arranged at one end of the connecting rod 412, a square rod 415 is arranged at the other end of the connecting rod 412, an outward protruding limiting ring 414 is arranged between the square rod 415 and the connecting rod 412, a spring 413 is nested on the connecting rod 412, one end of the spring 413 is supported on the side surface of the limiting ring 414, the other end of the spring is supported on the inner surface of a clamping block 4123 of the anti-backflow main body 41, the square groove 4161 is fitted with the square bar 415, a sealing base 417 is installed below the ball 416, and the sealing base 417 is installed at the lower end of the backflow preventing body 41.

As a further improvement, an anti-blocking base 43 is further provided below the mounting tube 42, a support ring 44 is provided below the anti-blocking base 43, and a through hole 431 is provided around the anti-blocking base 43.

As a further modification, the connecting bar 412 is hinged to one end of the cover plate 4121.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: when rotating apron 4121 and baffle 411, can make it drive square pole 415 and rotate, under square pole 415 and square groove 4161 matched with effect, rotate ninety degrees spheroid 416, make sewage suction pipe 3 close, avoid its inside mud to drop on ground and the polluted environment when taking out sewage suction pipe 3, simultaneously when not rotating apron 4121, rotate baffle 411 alone, under the effect of baffle 411 and connecting rod 412 threaded connection, can make connecting rod 412 outside shift, thereby drive square pole 415 and leave square groove 4161, can avoid making spheroid 416 open by mistake after the mistake bumps apron 4121, switch on sewage suction pipe 3 and drop its inside mud on ground.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the backflow prevention device of the present invention.

Fig. 3 is a schematic view of the cross-sectional structure of the backflow prevention device main body of the present invention.

Fig. 4 is a schematic view of a section structure of the ball valve of the present invention rotating ninety degrees.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in the attached drawing 1, a pipeline dredging and sewage suction vehicle capable of preventing backflow of sludge in a sewage suction pipe comprises a tank body 1 and a sewage suction vehicle main body 6, wherein the tank body 1 is installed on the sewage suction vehicle main body 6, a pipe support 2 is installed above the tank body 1, a sewage suction pipe 3 is installed in the pipe support 2, and a vacuum pump 5 is arranged on the sewage suction vehicle main body 6.

As shown in fig. 2 to 4, the sewage suction pipe further comprises a backflow prevention device 4, the backflow prevention device 4 is connected with one end of the sewage suction pipe 3 through a flange, the backflow prevention device 4 comprises a backflow prevention main body 41 and a mounting pipe 42, and the lower portion of the backflow prevention main body 41 is connected with the upper portion of the mounting pipe 42 through a flange. The side of the anti-backflow body 41 is provided with a partition 411, the axis of the partition 411 is in threaded connection with a connecting rod 412, one end of the connecting rod 412 is provided with a cover plate 4121, the connecting rod 412 is hinged with one end of the cover plate 4121, the cover plate 4121 is pressed downwards when the partition 411 is not rotated, the cover plate 4121 is attached to the partition 411 after the cover plate 4121 is covered on the partition 411, and at the moment, the partition 411 and the cover plate 4121 are rotated together, so that the connecting rod 412 can be driven to rotate. The other end of the connecting rod 412 is provided with a square rod 415, a limiting ring 414 protruding outwards is arranged between the square rod 415 and the connecting rod 412, wherein the limiting ring 414 is installed in a sliding groove 4122 of the backflow preventing body 41, two inward protruding clamping blocks 4123 are arranged at an opening on the left side of the sliding groove 4122, the distance between the two clamping blocks 4123 is smaller than the length of the limiting ring 414, the limiting ring can be clamped in the sliding groove 4122, and the distance between the two clamping blocks 4123 is the same as that of the connecting rod 412, so that the connecting rod 412 can pass through the opening on the left side of the sliding groove 4122. The connecting rod 412 is nested with a spring 413, wherein one end of the spring 413 is supported on the limiting ring 414, the other end is supported on the inner side of the clamping block 4123, the anti-backflow main body 41 is further provided with a ball body 416, the ball body 416 is provided with a connecting hole 4162 for controlling the opening and closing of the sewage suction pipe 3, one side of the ball body 416 is provided with a square groove 4161, the square groove 4161 is a groove with a certain depth, and the square rod 415 is embedded into the square groove 4161 and is matched with the square groove 4161. An installation groove 4171 is arranged below the ball 416, a sealing base 417 is installed in the installation groove 4171, the sealing base 417 is installed at the lower end of the backflow prevention body 41, a sealing gasket 4172 on the sealing base 417 is tightly attached to the outer surface of the ball 416, the sealing performance is improved, meanwhile, the friction resistance between the ball 416 and the sealing gasket 4172 can be increased, and the ball 416 is prevented from automatically rotating after being separated from the square rod 415. When the sphere 416 rotates ninety degrees, the connection hole 4162 of the sphere 416 is perpendicular to the axis of the seal base 417, and at this time, the connection hole 4162 of the sphere 416 is above the seal base 417, and the through hole is sealed above the seal base 417 by the seal base 417, so that the sludge remaining in the sewage suction pipe 3 is prevented from falling onto the ground when the sewage suction pipe 3 is taken out from the underground pipe.

As shown in fig. 2, an anti-blocking base 43 is further disposed below the installation pipe 42, a support ring 44 is disposed below the anti-blocking base 43, when the anti-blocking base 43 is placed in an underground pipeline, the support ring 44 can support the anti-blocking base 43 in the underground pipeline, and through holes 431 are disposed around the anti-blocking base 43, wherein the through holes 431 can increase a multi-directional sewage suction direction and a sewage suction area, so as to prevent sludge from blocking the sewage suction pipe 3 when sludge is sucked.

As shown in fig. 1 to 4, when mounting, after the cover plate 4121 and the connecting rod 412 are aligned, the spring 413 is inserted into the connecting rod 412 from one end of the cover plate 4121, one end of the spring 413 is supported on the limiting ring 414, and then the connecting rod 4122 is installed into the sliding groove 4122 from the lower inner side of the anti-backflow body 41, the other end of the spring 413 is supported on the inner surface of the latch 4123 of the anti-backflow body 41, the partition 411 is inserted into the connecting rod 412 from one end of the cover plate 4121, the partition 411 is rotated to connect the partition 411 and the connecting rod 412 with the screw thread, and under the effect of the screw thread connection, the partition 411 is continuously rotated to move the connecting rod 412 outwards, so as to drive the square rod 415 to move leftwards and hide the square rod in the sliding groove 4122, then the ball 416 is installed into the anti-backflow body 41, the sealing base 417 is installed into the installation groove 4171 of the anti-backflow body 41, and, the seal base 417 is fixed.

As shown in fig. 1 to 4, when the sewage suction pipe 3 is closed, the cover plate 4121 and the partition plate 411 are rotated to drive the connecting rod 412 to rotate, so as to drive the square rod 415 to rotate, the ball 416 is driven to rotate under the action of the square rod 415 and the square groove 4161, after the ball 416 rotates ninety degrees, the connecting hole 4162 of the ball 416 and the axis of the sealing base 417 form ninety degrees, at this time, the connecting hole 4162 of the ball 416 is above the sealing base 417, under the action of the sealing base 417, the connecting hole 4162 is sealed above the sealing base 417, so that when the sewage suction pipe 3 is taken out from an underground pipeline, the residual sludge in the sewage suction pipe 3 falls on the ground, in order to prevent the sewage suction pipe 3 from being touched by mistake after the cover plate 4121 is rotated ninety degrees around one end, the cover plate 4121 and the connecting rod 412 are in the same line, one hand grasps the cover plate 4121 to limit the cover plate 4121, prevent that apron 4121 from rotatory getting up, baffle 411 is rotated alone to the other hand, under baffle 411 and connecting rod 412 threaded connection's effect, makes connecting rod 412 move to the outside to drive square pole 415, after square pole 415 outwards moved to square groove 4161 outside, just can prevent to miss and bump apron 4121 and drive square pole 415 and rotate, just can avoid the mistake to change spheroid 416, make its inside mud after sewage suction pipe 3 switches on drop on subaerial.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims (3)

1. The utility model provides a prevent pipeline desilting soil pick-up car of sewage suction intraductal mud backward flow, including a jar body (1) and sewage pick-up car main part (6), install on sewage pick-up car main part (6) jar body (1), pipe holder (2) are installed to the top of jar body (1), install sewage suction pipe (3) in pipe holder (2), be equipped with vacuum pump (5), its characterized in that on sewage pick-up car main part (6): the sewage suction pipe is characterized by further comprising an anti-backflow device (4), the anti-backflow device (4) is connected with one end of the sewage suction pipe (3) through a flange plate, the anti-backflow device (4) comprises an anti-backflow main body (41) and an installation pipe (42), the lower portion of the anti-backflow main body (41) is connected with the upper portion of the installation pipe (42) through the flange plate, a partition plate (411) is installed on the side face of the anti-backflow main body (41), a connecting rod (412) is in threaded connection with the axis of the partition plate (411), a cover plate (4121) is arranged at one end of the connecting rod (412), a square rod (415) is arranged at the other end of the connecting rod, an outwards-protruding limiting ring (414) is arranged between the square rod (415) and the connecting rod (412), a spring (413) is nested on the connecting rod (412), one end of the spring (413) is supported on the side face of the limiting ring (414), and the other end, still install spheroid (416) in the anti-return main part (41), be equipped with square groove (4161) on one side of spheroid (416), square groove (4161) and square pole (415) cooperate, sealing base (417) is installed to the below of spheroid (416), sealing base (417) is installed in the lower extreme of anti-return main part (41).

2. The pipeline dredging and sewage suction truck for preventing the backflow of the sludge in the sewage suction pipe according to claim 1, is characterized in that: an anti-blocking base (43) is further arranged below the mounting pipe (42), a support ring (44) is arranged below the anti-blocking base (43), and through holes (431) are formed in the periphery of the anti-blocking base (43).

3. The pipeline dredging and sewage suction truck for preventing the backflow of the sludge in the sewage suction pipe according to claim 1, is characterized in that: the connecting rod (412) is hinged with one end of the cover plate (4121).

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