CN210322446U

CN210322446U - Sampling device for drainage pipe network

Info

Publication number: CN210322446U
Application number: CN201921216708.5U
Authority: CN
Inventors: 宗圆; 堵文东; 陆文涛; 翁建兵; 张冬冬; 曾玉珠; 耿平
Original assignee: CHANGZHOU DRAINAGE ADMINISTRATION
Current assignee: CHANGZHOU DRAINAGE ADMINISTRATION
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-14
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a sampling device for drainage pipe network, its main points are: comprises a telescopic rod, a bucket component and a suction component. The length of the telescopic rod can be adjusted and locked. The bucket component is provided with a bucket, and the bucket can be detachably and rotatably arranged at the lower end of the telescopic rod. The aspiration assembly includes a syringe, a catheter card, and a sampling straw. The injector is fixedly arranged at the upper end of the telescopic rod. A conduit clamp is fixedly arranged at the lower end of each section of the telescopic rod. The sampling suction pipe is made of a stainless steel pipe. The sampling suction pipe is fixedly arranged on a conduit clamp of a section of telescopic rod at the lowermost end of the telescopic rod, the axis of the sampling suction pipe is parallel to the axis of the telescopic rod, one end of the conduit is communicated with the injector in a sealing way, and the other end of the conduit is communicated with the upper end of the sampling suction pipe in a sealing way. The guide tube is arranged on the telescopic rod through the other corresponding guide tube clamps.

Description

Sampling device for drainage pipe network

Technical Field

The utility model relates to a water sample collection equipment technical field specifically is a sampling device that carries out the collection to the water sample in the municipal drainage pipe network.

Background

The urban drainage system is an engineering facility system for treating and removing urban sewage and rainwater, and is a component of urban public facilities. Urban drainage system planning is an integral part of urban overall planning. Municipal drainage systems typically consist of a drainage network and a sewage treatment plant. Under the condition of carrying out sewage and rainwater split-flow system, sewage is collected by corresponding pipelines of a drainage pipe network, is sent to a sewage plant for treatment, and is discharged into a water body or recycled; the rainwater runoff is discharged into the water body nearby after being collected by the corresponding pipeline of the drainage pipe network.

Sewage quality can change in the transportation process in drain pipe network, and the safety of quality of water is just guaranteed to sewage treatment and municipal water resource cyclic utilization's prerequisite, and consequently, drain pipe network's water quality monitoring receives attention increasingly, and municipal administration, environmental protection, water utilities department all need regularly to sample the different nodes in the drain pipe network, and the component of pollutant changes and the content characteristic in the analysis sewage in time knows municipal sewage quality of water and changes, makes corresponding reply. Meanwhile, the rainwater pipe network also needs to be monitored regularly to master the pollution characteristics of urban rainwater runoff, so that water sample collection and monitoring of the drainage pipe network have important significance for urban drainage management. Traditional pipe network water sample collection is on the node of pipe network, adopts the manual work to open the way collection that the well lid got into the well, and this kind of way is wasted time, hard and have great safety risk, and some collection point (like some dew point in the horizontal pipeline) personnel can't get into moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, portable, convenient operation's a sampling device that is arranged in to carry out the collection to the water sample in the municipal drainage pipe network.

Realize the utility model discloses the basic technical scheme of purpose is: the utility model provides a sampling device for drain pipe network, its structural feature is: comprises a telescopic rod, a bucket component and a suction component. The length of the telescopic rod can be adjusted and locked. The bucket component is provided with a bucket, and the bucket can be detachably and rotatably arranged at the lower end of the telescopic rod. The aspiration assembly includes a syringe, a catheter card, and a sampling straw. The injector is fixedly arranged at the upper end of the telescopic rod. A conduit clamp is fixedly arranged at the lower end of each section of the telescopic rod. The sampling suction pipe is made of a stainless steel pipe. The sampling suction pipe is fixedly arranged on a conduit clamp of a section of telescopic rod at the lowermost end of the telescopic rod, the axis of the sampling suction pipe is parallel to the axis of the telescopic rod, one end of the conduit is communicated with the injector in a sealing way, and the other end of the conduit is communicated with the upper end of the sampling suction pipe in a sealing way. The guide tube is arranged on the telescopic rod through the other corresponding guide tube clamps.

The technical scheme based on the basic technical scheme is as follows: the lower end of the telescopic rod is coaxially and fixedly provided with a screw rod. The bucket assembly also includes a U-shaped mounting bracket. The middle part of the U-shaped mounting rack is provided with internal threads which are provided with outward openings and matched with the screw rods of the telescopic rods along the symmetrical axis. The inner sides of the U-shaped two ends of the U-shaped mounting rack are respectively provided with a connecting column, and the two connecting columns are coaxially and symmetrically arranged. The connecting column is in a step shape with a large inside and a small outside. The bucket has a capacity of 0.5 to 1 liter. The upper portion left and right sides of well-bucket respectively is equipped with 1 connecting hole, and two connecting holes all are big end down's calabash form, and two connecting holes are the bilateral symmetry setting with the axis of well-bucket. The aperture of the upper hole section of the connecting hole is smaller than the diameter of the part with the larger diameter of the connecting column.

The technical scheme based on the corresponding technical schemes is that the included angle α between the end surface of the lower port of the sampling suction pipe and the axis is 10-40 degrees, and a notch for communicating the interior of the sampling suction pipe with the outside is arranged on the pipe wall on the upper side of the lower port of the sampling suction pipe.

The utility model has the following beneficial effects (1) the utility model discloses a sampling device for drainage pipe network simple structure, length after the telescopic link is packed up is not more than 1.5 meters, portable, through adjusting the length of telescopic link, can adapt to the distance requirement of different collection points (2) the utility model discloses a sampling device for drainage pipe network range of application is wide, can adapt to different occasion requirement (3) the utility model discloses a sampling device for drainage pipe network is equipped with the well bucket subassembly, can gather the outlet pipe mouth's in the finish type inspection shaft sewage through the well bucket, operating personnel needn't go into the well down, has improved the security greatly (4) the utility model discloses a sampling device for drainage pipe network is equipped with the well bucket subassembly, can collect the sewage of the seepage department that personnel can't get into in the horizontal pipeline in the inspection shaft (5) the utility model discloses a sampling device for drainage pipe network is equipped with the suction subassembly, when can be gathered the sewage of the pipe wall in the finish of finish type inspection shaft wall ooze (6) the utility model discloses a sampling device for pipe network all adopt stainless steel material to make, the life-time of the sewage that the life-span of guaranteeing that the equipment is more is set up the life-time of the sewage that the telescopic link is more (3510) and can be more.

Drawings

Fig. 1 is the structure schematic diagram of the sampling device for the drainage pipe network during the assembly of the bucket component and the suction component.

Fig. 2 is a right-side schematic view of fig. 1.

Fig. 3 is an enlarged top view of fig. 1.

Fig. 4 is a schematic view as viewed from the upper right front of fig. 1.

Fig. 5 is a schematic structural view of the bucket.

Fig. 6 is the utility model discloses a sampling device passes through the well-bucket subassembly and carries out the schematic diagram of gathering to the outlet pipe mouth of a river sewage of binding off inspection shaft.

Fig. 7 is the utility model discloses a sampling device carries out the schematic diagram of gathering through the sewage that the suction subassembly oozed the pipe wall of mouth of a river inspection shaft.

Fig. 8 is the utility model discloses a sampling device carries out the schematic diagram of gathering through the sewage of well-bucket subassembly to the leak source in the horizontal pipeline.

FIG. 9 is an enlarged schematic view of a sampling pipette.

The reference numbers in the drawings are:

the telescopic rod 1, the screw rod 1-1,

a bucket component 2, a U-shaped mounting rack 2-1, a connecting column 2-11,

a bucket 2-2, a connecting hole 2-21,

the device comprises a suction component 3, a syringe 3-1, a catheter 3-2, a catheter card 3-3, a sampling straw 3-4 and a gap 3-41.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings. The description of the orientation of the utility model is performed according to the orientation shown in fig. 1, that is, the up-down left-right direction shown in fig. 1 is the up-down left-right direction of the description, the side towards which fig. 1 faces is the front side, and the side departing from fig. 1 is the rear side.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are used only for convenience in describing the present invention or simplifying the description, but do not indicate that a particular orientation must be provided.

(example 1)

See fig. 1 to 9, the utility model discloses a sampling device for drain pipe network includes telescopic link 1, well-bucket subassembly 2 and suction subassembly 3.

The telescopic rod 1 is a stainless steel positioning telescopic rod, the maximum extension length of the telescopic rod is 9 meters, the length after contraction is less than or equal to 1.5 meters, and the telescopic rod is adjusted to the corresponding length according to the distance of the collection point during actual use. The upper end of the telescopic rod 1 is a holding section. The lower end of the telescopic rod 1 is coaxially and fixedly provided with a screw rod 1-1.

The bucket assembly 2 includes a U-shaped mounting bracket 2-1 and a bucket 2-2. The middle part of the U-shaped mounting frame 2-1 is provided with internal threads which are provided with outward openings and matched with the screw rods 1-1 of the telescopic rod 1 along the symmetrical axis, and when the U-shaped mounting frame is used, the U-shaped mounting frame 2-1 is screwed and fixed on the screw rods 1-1 of the telescopic rod 1, so that the U-shaped mounting frame 2-1 can be detachably and fixedly connected to the lower end of the telescopic rod 1. The inner sides of the U-shaped two ends of the U-shaped mounting rack 2-1 are respectively provided with 1 connecting column 2-11, and the two connecting columns 2-11 are coaxially and symmetrically arranged. The connecting columns 2-11 are stepped with a large inside and a small outside (the side close to the symmetry axis of the U-shaped mounting frame is called the inside, and the side far from the symmetry axis of the U-shaped mounting frame is called the outside). The bucket 2-2 has a capacity of 0.5 liter to 1 liter, 1 liter in this embodiment. The left side and the right side of the upper part of the bucket 2-2 are respectively provided with 1 connecting hole 2-21, the two connecting holes 2-21 are in a calabash shape with a small upper part and a big lower part, and the two connecting holes 2-21 are arranged in a left-right symmetrical mode by the axis of the bucket 2-2. The diameter of the upper hole section of the connecting hole 2-21 is smaller than that of the part with larger diameter of the connecting column 2-11. Therefore, the bucket 2-2 can be detachably and rotatably connected to the U-shaped mounting frame 2-1, and the bucket 2-2 can be kept in a basically horizontal state under the action of gravity and does not incline along with the change of the angle of the telescopic rod 1.

The suction assembly 3 comprises an injector 3-1, a conduit 3-2, a conduit clamp 3-3 and a sampling straw 3-4, wherein the injector 3-1 is fixedly arranged at the upper end of the telescopic rod 1, the specification of the injector 3-1 is 200 ml to 300 ml, in the embodiment, 200 ml is adopted, the lower end of each telescopic rod is fixedly provided with one conduit clamp 3-3, the sampling straw 3-4 adopts a stainless steel tube, the sampling straw 3-4 is fixedly arranged on the conduit clamp 3-3 of the telescopic rod at the lowest end of the telescopic rod 1, the axis of the sampling straw is parallel to the axis of the telescopic rod 1, one end of the conduit 3-2 is hermetically communicated with the injector 3-1, the other end of the conduit 3-4 is hermetically communicated with the upper end of the sampling straw 3-4, the included angle α between the end surface of the lower port of the sampling straw 3-4 and the axis is 10 degrees to 40 degrees, in the embodiment, the included angle is 25 degrees, the conduit 3-41 communicating the inner part of the conduit 3-2 with the external gap is arranged on the upper side pipe wall of the lower.

See fig. 6, the utility model discloses a when sampling device gathers the mouth of pipe's of play sewage in the mouth of a river inspection shaft, install well-bucket subassembly 2 on the lower extreme of telescopic link 1, adjust the length of telescopic link 1, put into the mouth of a river department of inspection shaft with well-bucket 2-2, collect the sewage that flows in the mouth of a river.

See fig. 7, the utility model discloses a when sampling device gathers the sewage that the pipe wall in the mouth of a river inspection shaft oozed, take off well-bucket subassembly 2 from the lower extreme of telescopic link 1. The length of the telescopic rod 1 is adjusted, so that the sampling suction pipe 3-4 is aligned to the position where the lower side water flow of the seepage point passes through, the end face of the lower port of the sampling suction pipe 3-4 is attached to the well wall, sewage can enter the sampling suction pipe 3-4 from the notch 3-41 when flowing through the lower port of the sampling suction pipe 3-4, and then the piston of the injector 3-1 is pulled to suck the sewage into the conduit 3-2 and the injector 3-1.

See fig. 8, the utility model discloses a when sampling device gathers the sewage of the leakage point in the horizontal pipeline of access inspection shaft, install well-bucket subassembly 2 on the lower extreme of telescopic link 1, adjust the length of telescopic link 1, put well-bucket 2-2 in the below of leakage point, collect the sewage that the leakage point flows.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a sampling device for drain pipe network which characterized in that: comprises a telescopic rod, a bucket component and a suction component; the length of the telescopic rod can be adjusted and locked; the bucket component is provided with a bucket, and the bucket is detachably and rotatably arranged at the lower end of the telescopic rod; the suction assembly comprises a syringe, a catheter card and a sampling straw; the injector is fixedly arranged at the upper end of the telescopic rod; a conduit clamp is fixedly arranged at the lower end of each section of the telescopic rod; the sampling suction pipe is made of a stainless steel pipe; the sampling suction pipe is fixedly arranged on a conduit clamp of a section of telescopic rod at the lowest end of the telescopic rod, the axis of the sampling suction pipe is parallel to the axis of the telescopic rod, one end of the conduit is communicated with the injector in a sealing way, and the other end of the conduit is communicated with the upper end of the sampling suction pipe in a sealing way; the guide tube is arranged on the telescopic rod through the other corresponding guide tube clamps.

2. The sampling device for a drainpipe network according to claim 1, wherein: the lower end of the telescopic rod is coaxially and fixedly provided with a screw rod; the bucket assembly further comprises a U-shaped mounting bracket; the middle part of the U-shaped mounting rack is provided with internal threads which are provided with outward openings and matched with the screw rods of the telescopic rods along the symmetrical axis of the U-shaped mounting rack; the inner sides of the U-shaped two ends of the U-shaped mounting rack are respectively provided with a connecting column, and the two connecting columns are coaxially and symmetrically arranged; the connecting column is in a step shape with a large inside and a small outside; the volume of the bucket is 0.5 liter to 1 liter; the left side and the right side of the upper part of the bucket are respectively provided with 1 connecting hole, the two connecting holes are in a calabash shape with a small upper part and a big lower part, and the two connecting holes are arranged in a left-right symmetrical mode by the axis of the bucket; the aperture of the upper hole section of the connecting hole is smaller than the diameter of the part with the larger diameter of the connecting column.

3. The sampling device for the drainage pipe network according to claim 1 or 2, wherein an included angle α between the end surface of the lower port of the sampling suction pipe and the axis thereof is 10-40 degrees, and a notch for communicating the inside of the sampling suction pipe with the outside is arranged on the upper side pipe wall of the lower port of the sampling suction pipe.