CN218916901U

CN218916901U - Water quality monitoring sampling device

Info

Publication number: CN218916901U
Application number: CN202222580845.5U
Authority: CN
Inventors: 张鑫珂; 乔奥克
Original assignee: Henan Huangke Engineering Technology Testing Co ltd
Current assignee: Henan Huangke Engineering Technology Testing Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-04-25
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses a water quality monitoring sampling device, which comprises a limiting cylinder, wherein the top of the limiting cylinder is clamped with a top cover, the top of the top cover is provided with a height lifting assembly penetrating through the limiting cylinder, the bottom of the height lifting assembly is provided with a sampling cylinder, the periphery of the limiting cylinder is provided with a side plate, the top of the side plate is attached with a sealing frame, the periphery of the sealing frame is clamped with a side cover, an external power supply is arranged in the sealing frame, the height lifting assembly comprises a lifting adjusting motor, a screw rod and a lifting rod, the lifting adjusting motor is arranged at the top of the top cover, the screw rod is rotatably connected to the bottom of the top cover through a bearing seat, and the top of the screw rod is connected with an output shaft of the lifting adjusting motor. The vertical lifting can be stably controlled, the sampling depth error caused by the inclination of the sampling tube under the influence of water flow is avoided, the sampling depth is convenient to control, and the sample water with the required sampling depth can be accurately taken.

Description

Water quality monitoring sampling device

Technical Field

The utility model relates to the technical field of water quality monitoring, in particular to a water quality monitoring sampling device.

Background

The water quality monitoring is a process of monitoring and measuring the types of pollutants in a water body, the concentration and the change trend of various pollutants and evaluating the water quality condition. In water quality monitoring, it is often necessary to set monitoring sections and monitoring network points in a monitored water body, set a plurality of sampling points with different depths in a determined sampling position, process the physicochemical properties of water samples at each sampling point with data, determine the water quality condition of the monitored water body, and judge the water quality change condition according to the change of the physicochemical properties along with time, so as to plan protection and improvement measures of the water body.

Because the water sources with different depths need to be sampled when the water quality is sampled, the existing water quality monitoring sampling device adopts a mode that a string is hung on a water cup to sample the water sources with different depths, and because the water flows when being sampled in a river, the string can incline downwards, and the sampling depth cannot be accurately controlled, therefore, the water quality monitoring sampling device is provided.

Disclosure of Invention

The utility model mainly aims to provide a water quality monitoring sampling device which can stably control vertical lifting, avoid error of sampling depth caused by inclination of a sampling tube under the influence of water flow, is convenient for controlling the sampling depth, can accurately take sample water with required sampling depth, and can effectively solve the problems in the background technology.

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

the utility model provides a water quality monitoring sampling device, includes a spacing section of thick bamboo, the top joint of a spacing section of thick bamboo has the top cap, the high lifting unit who runs through a spacing section of thick bamboo is installed at the top of top cap, a sampling section of thick bamboo is installed to the bottom of high lifting unit, the curb plate is installed to the periphery of a spacing section of thick bamboo, the top laminating of curb plate has the sealing frame, the periphery joint of sealing frame has the side cap, and the internally mounted of sealing frame has the external power supply;

the height lifting assembly comprises a lifting adjusting motor, a screw rod and a lifting rod, the lifting adjusting motor is mounted at the top of the top cover, the screw rod is rotationally connected to the bottom of the top cover through a bearing seat, the top of the screw rod is connected with an output shaft of the lifting adjusting motor, the lifting rod is slidably connected to the inner periphery of the limiting cylinder, and the lifting rod is in threaded connection with the outer periphery of the screw rod.

Further, the sampling tube includes connecting rod, barrel, bottom plate, closing piece and apron, the bottom at the lifter is installed to the connecting rod, the barrel passes through integrated into one piece and connects in the bottom of connecting rod, and the periphery of barrel constructs the arc logical groove that equidistant distribution, bottom plate screw thread sealing connection is in the inner periphery bottom of barrel, the apron overlap joint is on the surface of bottom plate, the surface construction of bottom plate has a plurality of water inlets, and the inner edge of water inlet installs the filter screen that intakes, the surface construction of apron has the limbers that dislocation distributes with the water inlet.

Further, the external power supply is electrically connected with the lifting adjusting motor through a lead and a control switch, and the lead penetrates through the top of the sealing frame.

Further, a water outlet net is arranged in the arc-shaped through groove of the cylinder body.

Further, the bottom of top cap is connected with the protruding of symmetry setting through integrated into one piece, and the periphery of spacing section of thick bamboo is constructed with the recess with protruding adaptation.

Further, the surface of the bottom plate is provided with a large round hole, the bottom of the large round hole is communicated with a small round hole, a sealing block is lapped in the large round hole, and a push rod penetrating through the small round hole is arranged at the bottom of the sealing block.

Further, the lifting rod is of a cuboid structure, and the bottom of the screw rod is higher than the bottom of the limiting cylinder.

Further, a fixing frame is arranged on the periphery of the limiting cylinder, and a threaded hole is formed in the surface of the fixing frame.

Compared with the prior art, the utility model has the following beneficial effects:

according to the water quality monitoring sampling device, through the arranged height lifting assembly and the sampling tube, the sampling tube can be stably controlled to lift in the vertical direction, the sampling depth error caused by the fact that the sampling tube inclines downwards along with water flow can be avoided, meanwhile, the sampling depth can be conveniently controlled, and the sampling precision is higher;

this water quality monitoring sampling device, through the sampling tube that sets up, when the sampling tube does not reach the sampling depth and continuously dive, water passes into the filter screen and upwards pushes up the apron, gets into the barrel from apron surface limbers, later discharges from the play water net, and when stopping to dive after reaching the sampling depth, the apron drops the overlap joint at the bottom plate surface under self gravity effect, deposits water after sealing the bottom plate, and it is comparatively convenient to use, does benefit to the sample water of accurate sampling depth that needs.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a water quality monitoring and sampling device according to the present utility model.

FIG. 2 is a cross-sectional view of a limiting cylinder of a water quality monitoring and sampling device according to the present utility model.

FIG. 3 is a schematic diagram of a sampling tube of a water quality monitoring and sampling device according to the present utility model.

In the figure: 1. a limiting cylinder; 2. a top cover; 3. lifting the adjusting motor; 4. a screw rod; 5. a lifting rod; 6. a sampling tube; 61. a connecting rod; 62. a cylinder; 63. a water outlet net; 64. a bottom plate; 65. a water inlet filter screen; 66. a closing block; 67. a push rod; 68. a cover plate; 69. a water through hole; 7. a side plate; 8. a sealing frame; 9. a side cover; 10. an external power supply; 11. a wire; 12. and a fixing frame.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a water quality monitoring sampling device comprises a limiting cylinder 1, wherein a top cover 2 is clamped at the top of the limiting cylinder 1, a height lifting assembly penetrating through the limiting cylinder 1 is arranged at the top of the top cover 2, a sampling cylinder 6 is arranged at the bottom of the height lifting assembly, a side plate 7 is arranged at the periphery of the limiting cylinder 1, a sealing frame 8 is attached to the top of the side plate 7, a side cover 9 is clamped at the periphery of the sealing frame 8, and an external power supply 10 is arranged in the sealing frame 8;

in order to accurately control the submerging depth of the sampling tube 6 so as to sample water quality at different depths, as shown in fig. 1 and 2, the height lifting assembly comprises a lifting adjusting motor 3, a screw rod 4 and a lifting rod 5, wherein the lifting adjusting motor 3 is arranged at the top of the top cover 2, the screw rod 4 is rotatably connected to the bottom of the top cover 2 through a bearing seat, the top of the screw rod 4 is connected with an output shaft of the lifting adjusting motor 3, the lifting rod 5 is slidably connected to the inner periphery of the limiting tube 1, and the lifting rod 5 is in threaded connection with the outer periphery of the screw rod 4.

In order to quickly discharge water with an unwanted sampling depth into the cylinder 62 during continuous submergence and enable water at the sampling depth to enter the cylinder 62, as shown in fig. 1 and 3, the sampling cylinder 6 comprises a connecting rod 61, a cylinder 62, a bottom plate 64, a sealing block 66 and a cover plate 68, the connecting rod 61 is arranged at the bottom of the lifting rod 5, the cylinder 62 is connected at the bottom of the connecting rod 61 through integral forming, the periphery of the cylinder 62 is provided with arc-shaped through grooves distributed at equal intervals, the bottom plate 64 is in threaded sealing connection with the bottom of the inner periphery of the cylinder 62, the cover plate 68 is lapped on the surface of the bottom plate 64, the surface of the bottom plate 64 is provided with a plurality of water inlets, the inner edges of the water inlets are provided with water inlet filter screens 65, and the surface of the cover plate 68 is provided with water through holes 69 distributed in a staggered manner with the water inlets.

In order to facilitate the indirect control of the height change of the lifting rod 5 by controlling the rotation number of the servo motor, as shown in fig. 1, an external power supply 10 is electrically connected with the lifting adjusting motor 3 through a lead 11 and a control switch, and the lead 11 penetrates through the top of the sealing frame 8, and the lifting adjusting motor 3 adopts a low-rotation-speed servo motor.

In order to prevent sundries in the river from entering the cylinder 62 through the arc-shaped through groove, as shown in fig. 1 and 3, a water outlet net 63 is arranged in the arc-shaped through groove of the cylinder 62.

In order to facilitate positioning and mounting the top cover 2 on the top of the limiting cylinder 1, as shown in fig. 1, the bottom of the top cover 2 is connected with symmetrically arranged protrusions through integrated forming, and the periphery of the limiting cylinder 1 is provided with grooves matched with the protrusions.

In order to remove the sampling tube 6 and then drain the water extracted from the cylinder 62 conveniently, as shown in fig. 3, the surface of the bottom plate 64 is provided with a large circular hole, the bottom of the large circular hole is communicated with a small circular hole, a sealing block 66 is lapped in the large circular hole, a push rod 67 penetrating the small circular hole is installed at the bottom of the sealing block 66, the upper push cover 2 pushes the cover plate 68 open, and the extracted water is drained from the water inlet filter screen 65 after passing through the water through holes 69.

In order to avoid the lifting rod 5 rotating along with the screw rod 4, as shown in fig. 1, the lifting rod 5 is in a cuboid structure, and the bottom of the screw rod 4 is higher than the bottom of the limiting cylinder 1.

In order to facilitate the holding or fix the limiting cylinder 1 by means of external objects to prevent the limiting cylinder 1 from moving during sampling, as shown in fig. 1, a fixing frame 12 is installed on the periphery of the limiting cylinder 1, and a threaded hole is formed on the surface of the fixing frame 12.

It should be noted that, in the water quality monitoring sampling device, firstly, the limiting cylinder 1 is installed on a vehicle or other fixed objects at the river side through the fixing frame 12 and the bolts, the lifting adjusting motor 3 is started by pressing the control switch, the output shaft of the lifting adjusting motor 3 drives the screw rod 4 to rotate, the lifting rod 5 moves down along the inner circumference of the limiting cylinder 1, the working time of the adjusting motor is calculated according to the sampling depth, the power supply of the lifting adjusting motor 3 is turned off at fixed time, in the process, when the sampling cylinder 6 does not reach the sampling depth, the water continuously submerges, the water passes through the water inlet filter screen 65 and then upwards pushes the cover plate 68, then enters the cylinder 62 from the water through holes 69 on the surface of the cover plate 68, then is discharged from the water outlet network 63, when the submerging is stopped, the cover plate 68 drops on the surface of the bottom plate 64 under the action of self gravity, water is stored after the bottom plate 64 is closed, then the lifting adjusting motor 3 is reversely started, the sampling cylinder 6 is lifted, the sampling cylinder 6 is removed, the cover plate 68 is pushed up, and the water is pushed up and the water is discharged from the water inlet filter screen 65 after passing through the water through holes 69. The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a water quality monitoring sampling device, includes spacing section of thick bamboo (1), its characterized in that, the top joint of spacing section of thick bamboo (1) has top cap (2), highly lifting unit who runs through spacing section of thick bamboo (1) is installed at the top of top cap (2), sampling tube (6) are installed to highly lifting unit's bottom, curb plate (7) are installed to the periphery of spacing section of thick bamboo (1), sealed frame (8) are laminated at the top of curb plate (7), the periphery joint of sealed frame (8) has side cap (9), and the internally mounted of sealed frame (8) has external power source (10);

the height lifting assembly comprises a lifting adjusting motor (3), a screw rod (4) and a lifting rod (5), wherein the lifting adjusting motor (3) is installed at the top of the top cover (2), the screw rod (4) is rotationally connected to the bottom of the top cover (2) through a bearing seat, the top of the screw rod (4) is connected with an output shaft of the lifting adjusting motor (3), the lifting rod (5) is slidably connected to the inner periphery of the limiting cylinder (1), and the lifting rod (5) is in threaded connection with the outer periphery of the screw rod (4).

2. A water quality monitoring sampling device according to claim 1, wherein: the utility model provides a sampling tube (6) includes connecting rod (61), barrel (62), bottom plate (64), closing piece (66) and apron (68), the bottom at lifter (5) is installed to connecting rod (61), the bottom at connecting rod (61) is connected through integrated into one piece to barrel (62), and the periphery of barrel (62) is constructed with equidistant arc logical groove that distributes, bottom plate (64) screw thread sealing connection is in the inner periphery bottom of barrel (62), apron (68) overlap joint is at the surface of bottom plate (64), the surface construction of bottom plate (64) has a plurality of water inlets, and water inlet's interior edge installs filter screen (65), the surface construction of apron (68) have with water inlet dislocation distribution's through-hole (69).

3. A water quality monitoring sampling device according to claim 1, wherein: the external power supply (10) is electrically connected with the lifting adjusting motor (3) through a lead (11) and a control switch, and the lead (11) penetrates through the top of the sealing frame (8).

4. A water quality monitoring sampling device according to claim 2, wherein: a water outlet net (63) is arranged in the arc-shaped through groove of the cylinder body (62).

5. A water quality monitoring sampling device according to claim 1, wherein: the bottom of the top cover (2) is connected with symmetrically arranged bulges through integrated forming, and the periphery of the limiting cylinder (1) is provided with grooves matched with the bulges.

6. A water quality monitoring sampling device according to claim 2, wherein: the surface of the bottom plate (64) is provided with a large round hole, the bottom of the large round hole is communicated with a small round hole, a sealing block (66) is lapped in the large round hole, and a push rod (67) penetrating through the small round hole is arranged at the bottom of the sealing block (66).

7. A water quality monitoring sampling device according to claim 1, wherein: the lifting rod (5) is of a cuboid structure, and the bottom of the screw rod (4) is higher than the bottom of the limiting cylinder (1).

8. A water quality monitoring sampling device according to claim 1, wherein: the periphery of the limiting cylinder (1) is provided with a fixing frame (12), and the surface of the fixing frame (12) is provided with a threaded hole.