CN205580787U - Novel depthkeeping water level water sampling device - Google Patents

Abstract

The utility model discloses a novel water quality sampling device for fixed depth water level, which comprises a bracket mechanism, a group of roller seats are arranged on the bracket mechanism, a horizontal telescopic rod is arranged on the roller seat, and a connecting line is arranged at the front end of the horizontal telescopic rod. One end of the connecting line is connected to the sampling plate, and the bottom of the sampling plate is provided with a rotating plate with multiple placement holes. There are sampling bottles in the placement holes, and automatic liquid-taking needles are installed in the sampling bottles. One end of the automatic liquid-taking needle is connected to the sampling The water quality parameter measuring device at the top of the plate is connected, and the other end passes through the sampling bottle and the bottom of the sampling plate and is provided with a sealing slip ring at the connection with the bottom of the sampling plate; a controller is also provided on the horizontal telescopic rod. The utility model has high support strength and a stable support structure, and in actual operation, it can overcome the influence of water flow on depth positioning, realize fixed-depth multi-point sampling, and the continuity of sampling is strong, which greatly improves the accuracy and accuracy of sampling data. Reliability, to meet the actual use requirements.

Description

A new water quality sampling device with fixed depth water level

technical field

The utility model relates to the technical field of hydrology and environment detection, and more particularly relates to a novel depth-fixed water level water quality sampling device.

Background technique

In recent years, with the rapid development of the economy, domestic surface water has been polluted to varying degrees. These pollutions threaten the development and utilization of surface water, affect the development of cities and people's health, so the monitoring of surface water has been widely used. s concern. In the current hydrological and environmental monitoring, national standard sampling methods are required. For example, it is clearly stipulated in the "Technical Specifications for Surface Water and Sewage Testing" (HJ/T91-2002) that when sampling water quality, the depth of water quality sampling points must be determined according to the depth of the surface water body. . The water samples collected at a fixed depth can objectively reflect the pollution status of surface water to a large extent after subsequent testing and analysis, which has important reference value for water environment evaluation.

At present, the principle of the depth-fixed water quality sampling device is basically the same, and generally consists of a sampling container connected with a rope with a length display function. In actual operation, there are the following problems: the fluidity of water will cause a certain displacement of the equipment and affect the accuracy of the depth value; the water depth, water temperature, dissolved oxygen and pH change significantly with the depth, and the existing devices are all fixed depth Fixed-point sampling, the accuracy of the measurement data is not high enough; in addition, the stability of the supporting part of the existing device needs to be improved. For this reason, it is necessary to design a new type of water quality sampling device, which can comprehensively overcome the above-mentioned deficiencies in the water quality sampling device in the prior art.

Contents of the invention

The utility model aims at the deficiencies of the prior art, and provides a new type of water quality sampling device for fixed depth water level. The water flow affects the depth positioning, realizing multi-point sampling at fixed depth, and the continuity of sampling is strong, which greatly improves the accuracy and reliability of sampling data and meets the actual use requirements.

In order to solve the above problems, the technical scheme adopted by the utility model is as follows:

A new water quality sampling device for fixed depth water level, comprising a support mechanism, a group of idler seats are arranged on the support mechanism, a horizontal telescopic rod is arranged on the idler seat, and a connecting line is arranged at the front end of the horizontal telescopic rod. One end of the connection line is connected to the sampling tray, and the bottom of the sampling tray is provided with a rotating tray with a plurality of placement holes, and sampling bottles are arranged in the placement holes, and automatic liquid-taking needles are arranged in the sampling bottles. One end of the automatic liquid-taking needle is connected to the water quality parameter measuring device arranged on the top of the sampling tray, and the other end passes through the bottom of the sampling bottle and the sampling tray and is provided with a sealing slip ring at the connection with the bottom of the sampling tray; the horizontal telescopic rod There is also a controller.

As an improvement of the above technical solution, the front end of the horizontal telescopic rod is provided with a wheel with a motor, and the connecting wire is wound on the wheel; both sides of the inside of the sampling plate are equipped with depth detection devices with reference scale lines. The depth detection tube is provided with floating balls; the corners of the outer bottom of the sampling tray are all provided with balance weights.

As an improvement of the above technical solution, the support mechanism includes sub-supports at both ends, horizontal beams are provided on the top and middle of the sub-supports, and the horizontal beams on the two sub-supports are connected by connecting sleeves.

As an improvement of the above technical solution, two idler rollers are arranged on the idler seat, the axes of the two idler rollers are perpendicular to the axis of the horizontal telescopic rod, and the two idler rollers are distributed in a V shape structure, the top of the idler seat is also provided with a fixed cover, and one end of the fixed cover is hinged to the idler seat.

The connection between the automatic liquid-taking needle and the water quality parameter measuring device of the utility model is an electrical connection.

The utility model compares with prior art, and the implementation effect of the utility model is as follows:

A new type of fixed depth water level water quality sampling device described in the utility model has high support strength and a stable support structure under the premise of being convenient to use, and can overcome the influence of water flow on depth positioning in actual operation, and realizes fixed depth. Deep multi-point sampling, strong continuity of sampling, and multi-point sampling can be used to take the average value, thereby greatly improving the accuracy and reliability of sampling data and meeting the actual use requirements.

Description of drawings

Fig. 1 is the structural representation of a new type of fixed depth water level water quality sampling device described in the utility model;

Fig. 2 is a schematic diagram of the side structure of the support mechanism of a new fixed-depth water level water quality sampling device described in the utility model.

detailed description

The content of the present utility model will be described below in conjunction with specific embodiments.

As shown in Fig. 1 and Fig. 2, it is a schematic structural diagram of a new water quality sampling device for fixed depth water level described in the utility model.

A new type of fixed depth water level water quality sampling device described in the utility model includes a support mechanism, a group of idler seats 20 are arranged on the support mechanism, a horizontal telescopic rod 30 is arranged on the idler seat 20, and the front end of the horizontal telescopic rod 30 is provided with a connection Line 34, one end of connection line 34 is connected to the sampling disc 40, the bottom of the sampling disc 40 is provided with a rotating disc 41 with a plurality of placement holes 411, the placement holes 411 are provided with sampling bottles 50, and the sampling bottles 50 are provided with automatic liquid extraction Needle 51, one end of the automatic liquid-taking needle 51 is connected to the water quality parameter measuring device 60 arranged on the top of the sampling tray 40, and the other end passes through the sampling bottle 50 and the bottom of the sampling tray 40 and is provided with a sealing slip ring 44 at the connection with the bottom of the sampling tray 40 ; A controller 31 is also provided on the horizontal telescopic rod 30 . Under the premise of being convenient to use, the utility model has high support strength and a stable support structure, and in actual operation, it can overcome the influence of water flow on depth positioning, realize fixed-depth multi-point sampling, and the continuity of sampling is strong. Multiple points are used to take the average value, which greatly improves the accuracy and reliability of the sampling data and meets the actual use requirements.

Further improved, as shown in FIG. 1 , the front end of the horizontal telescopic rod 30 is provided with a wheel 32 with a motor 33 , the connecting wire 34 is wound on the wheel 32 , and the motor 33 drives the wheel 32 to drive the connecting wire 34 to retract. The automation program is high; both sides of the sampling plate 40 are provided with a depth detection tube 43 with a reference scale line, and a floating ball 431 is arranged in the depth detection tube 43, and the depth detection tube 43 cooperates with the floating ball 431 to detect the water depth of the sample taken The corners of the outer bottom of the sampling tray 40 are provided with balance weights 42, which can further control the stability of the adoption tray 40 and avoid the influence of water flow on the adoption tray 40.

Further improved, the bracket mechanism includes sub-brackets 10 at both ends, the top and middle of the sub-brackets 10 are provided with horizontal beams 11, and the horizontal beams 11 on the two ends of the sub-brackets 10 are connected by connecting sleeves 12, which has a strong structure Stability, and can achieve shrinkage, easy to install and use.

Specifically, as shown in Figure 2, two idler rollers 21 are arranged on the idler base 20, the axes of the two idler rollers 21 are all perpendicular to the axis of the horizontal telescopic rod 30, and the two idler rollers 21 are distributed into a V-shaped structure A fixed cover 22 is also arranged on the top of the idler base 20, and one end of the fixed cover 22 is hinged with the idler base 20, so that the horizontal telescopic rod 30 can be installed firmly, the mechanical strength is enhanced, and it is very convenient to use.

The above content is a detailed description of the utility model in conjunction with specific embodiments, and it cannot be determined that the specific implementation of the utility model is limited to these descriptions. For those skilled in the technical field to which the utility model belongs, on the premise of not departing from the concept of the utility model, some simple deduction or replacement can also be made, which should be regarded as belonging to the scope of protection of the utility model.

Claims (4)

1. a novel depthkeeping water level water quality sampling apparatus, it is characterised in that: include bracket institution, described timbering machine It is provided with one group of roller seat (20) on structure, described roller seat (20) is provided with horizontal extension bar (30), institute Stating horizontal extension bar (30) front end and be provided with connecting line (34), described connecting line (34) one end connects sampling Dish (40), described sampler tray (40) bottom is provided with the rotating disk (41) of multiple placement hole (411), It is provided with sampling bottle (50) in described placement hole (411), is provided with in described sampling bottle (50) automatically Take liquid pin (51), the described water quality ginseng automatically taking liquid pin (51) one end and be arranged on sampler tray (40) top Number determinators (60) is connected, the other end through bottom described sampling bottle (50) and sampler tray (40) and with Described sampler tray (40) bottom junctions is provided with sealing slipping ring (44)；On described horizontal extension bar (30) It is additionally provided with controller (31).

A kind of novel depthkeeping water level water quality sampling apparatus, it is characterised in that: described water Flat expansion link (30) front end is provided with the wheel disc (32) of translator (33), and described connecting line (34) is wound around On described wheel disc (32)；The internal both sides of described sampler tray (40) are provided with the degree of depth of band reference mark line Detection pipe (43), is provided with ball float (431) in described depth finding pipe (43)；Described sampler tray (40) Balance weight (42) it is provided with on the turning of exterior bottom.

A kind of novel depthkeeping water level water quality sampling apparatus, it is characterised in that: described Frame mechanism includes the sub-stent (10) at two ends, and top and the middle part of described sub-stent (10) are provided with level Horizontal gird (11) on crossbeam (11), and two ends sub-stent (10) is all by branch sleeve (12) even Connect.

A kind of novel depthkeeping water level water quality sampling apparatus, it is characterised in that: described torr Being provided with two carrying rollers (21) on roller seat (20), the axis of two described carrying rollers (21) is each perpendicular to described The axis of horizontal extension bar (30), and two described carrying rollers (21) are scattered in V-structure, in described torr Roller seat (20) top is additionally provided with fixing lid (22), described fixing lid (22) one end and described roller seat (20) It is hinged.