CN111337486A

CN111337486A - Heavy metal pollution detection device for environmental protection

Info

Publication number: CN111337486A
Application number: CN202010262120.4A
Authority: CN
Inventors: 杜大庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-06
Filing date: 2020-04-06
Publication date: 2020-06-26

Abstract

The invention discloses an environment-friendly heavy metal pollution detection device which comprises a device main body, a small speed reducing motor, a stepping motor, a solenoid valve and a control button, wherein a supporting seat is fixed on the outer surface of the device main body through screws, the stepping motor is fixed on the inner side of the supporting seat through screws, a rotating roller is sleeved at the output end of the stepping motor, a tube clamping table is fixed on the upper surface of the rotating roller through screws, a test tube clamp is arranged on the outer surface of the tube clamping table, a fixing mechanism is arranged on the inner side of the test tube clamp, a test tube is clamped at one end of the test tube clamp, a connecting shaft is integrally connected to the other end of the test tube clamp, the other end of the connecting shaft is rotatably connected with the tube clamping table through a bearing, a groove is formed in. The invention adopts a multi-position alternate detection structure, can simultaneously detect a plurality of groups of samples, can automatically shake the test tube and improve the detection efficiency.

Description

Heavy metal pollution detection device for environmental protection

Technical Field

The invention relates to the technical field of heavy metal pollution detection, in particular to an environment-friendly heavy metal pollution detection device.

Background

Heavy metal pollution mainly means that water contains mercury, cadmium, lead, chromium, arsenic and other toxic metals, once the water is polluted, heavy metals are eaten by organisms in the water and serve as the bottom end of a food chain, and the heavy metals are gradually transferred to the top end of the food chain.

And water is polluted the back, because the activity and the persistence of heavy metal can lead to heavy metal to exist for a long time, and water flows to in the soil, can lead to suddenly also being polluted by heavy metal, and heavy metal detection device can detect out the content of various heavy metals in aquatic through the reagent, judges whether to be polluted by the detection water source.

To this end, chinese patent application No.: 201911149941.0, discloses a portable water heavy metal detection device, including gasbag and box, the gasbag has two and uses the box as central symmetry, the top fixed mounting of gasbag has the circular arc piece, the last fixed surface of circular arc piece is connected with the mount, the gasbag passes through circular arc piece and mount and is connected with the box. Compared with the prior art, the buoyancy of the device in the water body is changed through the volume change of the air bag in the water, so that the detection depth of the device in the polluted water body is adjusted, meanwhile, the thrust is provided for the device through the arrangement of the power device, the detection range of the device is increased, the buoyancy and the detection range are matched with each other, the device can perform online detection at any place of the polluted water body, the sample sampling time is shortened, the detection efficiency is effectively improved, the detection times are increased, more detection data are obtained, the contrast is effectively formed, the detection precision is increased, and the detection can be performed on site.

However, when actual detection, detect different heavy metal and need choose different detect reagent for use, and in same water source, the heavy metal content of different positions is all inequality, in order to reach the most accurate data, need carry out many times and detect, calculate the testing data again, ask for the average value, current detection device all is single detection, after detecting, still need carry out contrast record one by one, inefficiency, therefore need to design a heavy metal pollution detection device for environmental protection and solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to provide an environment-friendly heavy metal pollution detection device, which solves the problems that the existing detection devices proposed in the background technology are single detection, and after the detection is finished, comparison and recording are required one by one, and the efficiency is low.

In order to achieve the purpose, the invention provides the following technical scheme: a heavy metal pollution detection device for environmental protection comprises a device main body, a small speed reduction motor, a stepping motor, a solenoid valve and a control button, wherein a supporting seat is fixed on the outer surface of the device main body through screws, the stepping motor is fixed on the inner side of the supporting seat through screws, a rotating roller is sleeved at the output end of the stepping motor, a tube clamp table is fixed on the upper surface of the rotating roller through screws, a test tube clamp is arranged on the outer surface of the tube clamp table, a fixing mechanism is arranged on the inner side of the test tube clamp, a test tube is clamped at one end of the test tube clamp, a connecting shaft is integrally connected with the other end of the test tube clamp, the other end of the connecting shaft is rotatably connected with the tube clamp table through a bearing, a groove is formed in the outer surface of the connecting shaft, a convex block is arranged on the inner side of the groove, the small speed, and the cam sets up in the inboard of recess, the upper surface of device main part is provided with cask and reagent bucket, the upper surface of device main part runs through and is provided with the fluid-discharge tube, the surface of fluid-discharge tube is provided with the solenoid valve, the bottom integration of cask is connected with the connecting pipe, the inboard of connecting pipe is provided with the sleeve, telescopic both ends all are the integration and are connected with the connecting rod, the other end of connecting rod is connected fixedly with the inner wall integration of connecting pipe, telescopic inboard is provided with end cap and first spring.

Preferably, the pipe clamp platform passes through to change the roller and constitutes revolution mechanic with the supporting seat, change the roller and rotate with the supporting seat through the bearing and be connected.

Preferably, fixed establishment includes first cover storehouse, clamp splice and spacing clamp plate, the inboard of test tube clamp is seted up in first cover storehouse, the test tube clamp is "U" font structure, the inboard in first cover storehouse is provided with clamp splice and spacing clamp plate, the one end of clamp splice runs through the surface of test tube clamp, and the clamp splice is the both sides of test tube and arranges, the other end and the spacing clamp plate of clamp splice are contradicted, spacing clamp plate is "U" font structure, the both sides surface of spacing clamp plate all is connected through the inner wall rotation in pivot and first cover storehouse, the surface of test tube clamp is run through to the one end of spacing clamp plate, spacing clamp plate's the other end is contradicted with two sets of clamp splices respectively.

Preferably, the lower surface of the limiting pressure plate is connected with a return spring, and the limiting pressure plate and the return spring form an elastic structure.

Preferably, the connecting shaft is rotatably connected with the pipe clamp platform through a bearing, a second sleeve bin is arranged on the inner side of the connecting shaft, a second spring is arranged on the inner side of the second sleeve bin, the bottom end of the second spring is embedded into the top end of the lug, the lug and the second sleeve bin form a telescopic structure, the lug and the second spring form an elastic structure, and the lug is of a triangular structure.

Preferably, the outer surface integration of connecting axle is connected with the stopper, the spacing groove has been seted up on the inner wall of pipe clamp platform, and the stopper sets up in the inboard of spacing groove, the sliding construction is constituteed with the spacing groove to the stopper.

Preferably, the top of cask is provided with the bung, the rear end of bung rotates with the cask through the articulated shaft to be connected, the front end of bung is connected with the fixed knot through the articulated shaft, the surface integration of cask is connected with the card stake, the fixed knot constitutes buckle structure with the card stake, the both sides surface of cask all the integration is connected with the handle.

Preferably, the plug and the sleeve form a lifting structure, the first spring is arranged at the top end of the plug, and the plug and the first spring form an elastic structure.

Preferably, the top end of the liquid discharge pipe is of a structure shaped like a Chinese character 'shan', the connecting pipe is inserted into the liquid discharge pipe, the inner cavity of the liquid discharge pipe is of a structure shaped like a Chinese character 'Y', the top end of the liquid discharge pipe penetrates through the inner side of the connecting pipe, and the bottom end of the plug is abutted to the top end of the liquid discharge pipe.

Preferably, the inboard of spacing groove is provided with third spring and slider, the one end of third spring and the interior wall connection of spacing groove, the other end of third spring and the surface connection of slider, slider and spacing groove constitution sliding structure, slider and third spring constitution elastic construction, the one side bonding that is close to the second spring on the inner wall of spacing groove has the cushion.

Compared with the prior art, the invention has the beneficial effects that: this heavy metal pollution detection device for environmental protection adopts many to detect the structure in turn, can detect the multiunit sample simultaneously, can wave the test tube automatically, improves detection efficiency.

The device is provided with a supporting seat, a tube clamp table, a test tube clamp, a cam, a connecting shaft, a groove, a water bucket, a connecting pipe, a sleeve, a plug and a liquid discharge pipe, wherein the water bucket is arranged on the upper surface of the device main body, the liquid discharge pipe is arranged on the device main body, the plug can be pushed into the sleeve by the liquid discharge pipe through the insertion of the connecting pipe and the liquid discharge pipe, the plug is far away from the connecting pipe, so that water in the water bucket can flow into the liquid discharge pipe and then be led into a test tube through the liquid discharge pipe, the test tube is arranged on the test tube clamp table, the test tube is arranged on the tube clamp table, when the tube clamp table rotates on the supporting seat, the tube clamp table can drive the rotating position of the test tube through the test tube clamp, so that the test tube can alternately receive water and add reagents for alternate detection, the cam is driven to rotate by the, can make the connecting axle drive test tube clamp rotate on the tube holder bench, make the test tube clamp drive the test tube and wave, need not the hand and shake evenly, and then reach and to detect the multiunit sample simultaneously, can wave the test tube automatically, improve detection efficiency's effect.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic view in partial cross-section of the invention in elevation view;

FIG. 3 is a schematic side view of the structure of the present invention;

FIG. 4 is a schematic top view of the tube clamping table of FIG. 1 according to the present invention;

FIG. 5 is a schematic cross-sectional view of the support seat of FIG. 1 according to the present invention;

FIG. 6 is a schematic view, partially in section, showing the structure of the pipe clamping table of FIG. 1 according to the present invention;

FIG. 7 is a side cross-sectional view of the connecting shaft of FIG. 6 according to the present invention;

FIG. 8 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 9 is a schematic top cross-sectional view of the test tube holder of FIG. 1 according to the present invention;

FIG. 10 is a side view of the clamping block of FIG. 9 according to the present invention.

In the figure: 1. a device main body; 2. a supporting seat; 3. a tube clamp station; 4. a test tube clamp; 5. a test tube; 6. a fixing mechanism; 61. a first set of bins; 62. a clamping block; 63. a limiting pressure plate; 7. a small-sized reduction motor; 8. a cam; 9. a connecting shaft; 10. a groove; 11. a second set of bins; 12. a stepping motor; 13. rotating the roller; 14. a water bucket; 15. a connecting pipe; 16. a sleeve; 17. a connecting rod; 18. a plug; 19. a first spring; 20. a liquid discharge pipe; 21. an electromagnetic valve; 22. a control button; 23. a barrel cover; 24. a handle; 25. a fixing buckle; 26. a reagent barrel; 27. a bump; 28. a second spring; 29. a limiting block; 30. a limiting groove; 31. a rubber pad; 32. a third spring; 33. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, an embodiment of the present invention is shown: the utility model provides a heavy metal pollution detection device for environmental protection, includes device main part 1, small-size gear motor 7, step motor 12, solenoid valve 21 and

control button

22, and 1 surface of device main part has supporting seat 2 through the screw fixation, and the inboard of supporting seat 2 has step motor 12 through the screw fixation, and step motor 12's output has cup jointed changes roller 13, and changes the upper surface of roller 13 and have pipe clamp platform 3 through the screw fixation.

Preferably, the pipe clamp table 3 forms a rotating structure with the supporting seat 2 through the rotating roller 13, the rotating roller 13 is rotatably connected with the supporting seat 2 through a bearing, as shown in fig. 5, and is rotatably connected with the supporting seat 2 through the rotating roller 13, so that the pipe clamp table 3 can follow the rotating switching position when the stepping motor 12 drives the rotating roller 13 to rotate.

The outer surface of the tube clamp table 3 is provided with a test tube clamp 4, the inner side of the test tube clamp 4 is provided with a fixing mechanism 6, and one end of the test tube clamp 4 clamps a test tube 5.

Preferably, the fixing mechanism 6 includes a first housing 61, clamping blocks 62 and a limiting pressing plate 63, the first housing 61 is opened at the inner side of the test tube clamp 4, the test tube clamp 4 is in a U-shaped structure, the inner side of the first housing 61 is provided with the clamping blocks 62 and the limiting pressing plate 63, one end of each clamping block 62 penetrates through the surface of the test tube clamp 4, the clamping blocks 62 are arranged at two sides of the test tube 5, the other end of each clamping block 62 abuts against the limiting pressing plate 63, the limiting pressing plate 63 is in a U-shaped structure, the outer surfaces of two sides of the limiting pressing plate 63 are rotatably connected with the inner wall of the first housing 61 through a rotating shaft, one end of each limiting pressing plate 63 penetrates through the surface of the test tube clamp 4, the other end of each limiting pressing plate 63 abuts against two sets of the clamping blocks 62 respectively, as shown in fig. 9-10, the clamping blocks 63 abut against the bottom ends of the clamping blocks 62, the clamping blocks 62 can tightly clamp the, can make spacing clamp plate 63 left end rise, also be exactly the junction of spacing clamp plate 63 and clamp splice 62 bottom, make clamp splice 62 lose contradicting, can make clamp splice 62 remove the centre gripping to test tube 5.

Preferably, the lower surface of the limiting pressure plate 63 is connected with a return spring, the limiting pressure plate 63 and the return spring form an elastic structure, as shown in fig. 6, the return spring plays a role of providing elasticity for the limiting pressure plate 63, so that the limiting pressure plate 63 can be always kept in a state as shown in fig. 6 when no external force is applied.

The other end of the test tube clamp 4 is integrally connected with a connecting shaft 9, the other end of the connecting shaft 9 is rotatably connected with the tube clamp table 3 through a bearing, a groove 10 is formed in the outer surface of the connecting shaft 9, a convex block 27 is arranged on the inner side of the groove 10, a small speed reducing motor 7 is fixed on the inner side of the tube clamp table 3 through a screw, a cam 8 is sleeved on the output end of the small speed reducing motor 7, and the cam 8 is arranged on the inner side of the groove 10.

Preferably, the connecting shaft 9 is rotatably connected with the pipe clamp table 3 through a bearing, the second sleeve bin 11 is arranged on the inner side of the connecting shaft 9, the second spring 28 is arranged on the inner side of the second sleeve bin 11, the bottom end of the second spring 28 is embedded in the top end of the lug 27, the lug 27 and the second sleeve bin 11 form a telescopic structure, the lug 27 and the second spring 28 form an elastic structure, the lug 27 is of a triangular structure, as shown in fig. 7, the lug 27 is arranged in the second sleeve bin 11, so that the cam 8 can be shifted to the lug 27, when the connecting shaft 9 is subjected to resistance, the lug 27 can be retracted into the second sleeve bin 11, and the cam 8 and the connecting shaft 9 are prevented from being clamped.

Preferably, the outer surface of the connecting shaft 9 is integrally connected with a limiting block 29, the inner wall of the pipe clamp table 3 is provided with a limiting groove 30, the limiting block 29 is arranged at the inner side of the limiting groove 30, the limiting block 29 and the limiting groove 30 form a sliding structure, the inner side of the limiting groove 30 is provided with a third spring 32 and a sliding block 33, one end of the third spring 32 is connected with the inner wall of the limiting groove 30, the other end of the third spring 32 is connected with the outer surface of the sliding block 33, the sliding block 33 and the limiting groove 30 form a sliding structure, the sliding block 33 and the third spring 32 form an elastic structure, one side of the inner wall of the limiting groove 30, which is close to the second spring 28, is bonded with a rubber pad 31, as shown in fig. 7, the limiting block 29 is arranged in the limiting groove 30, so that the limiting groove 30 can limit the limiting block 29, i.e. limit the movement range of the connecting shaft 9, the third spring 32 is deformed and rebounded to be applied to the limiting block 29, so that the connecting shaft 9 swings left and right in the pipe clamp table 3, and the test tube 5 can be driven to swing left and right.

The upper surface of the device main body 1 is provided with a water barrel 14 and a reagent barrel 26, the top end of the water barrel 14 is provided with a barrel cover 23, the rear end of the barrel cover 23 is rotatably connected with the water barrel 14 through a hinge shaft, the front end of the barrel cover 23 is connected with a fixing buckle 25 through the hinge shaft, the outer surface of the water barrel 14 is integrally connected with a clamping pile, the fixing buckle 25 and the clamping pile form a clamping structure, the outer surfaces of two sides of the water barrel 14 are integrally connected with handles 24, as shown in figure 1, the handles 24 are fixed on two sides of the water barrel 14, a user can conveniently lift the water barrel 14, the upper surface of the device main body 1, which is connected with the water barrel 23 and the water barrel 14, can be provided with a liquid discharge pipe 20 in a penetrating way through manner by clamping the fixing buckle 25 and the clamping pile, the outer surface of the liquid discharge pipe 20, the other end of the connecting rod 17 is integrally connected and fixed with the inner wall of the connecting pipe 15, and a plug 18 and a first spring 19 are arranged inside the sleeve 16.

Preferably, the plug 18 and the sleeve 16 form a lifting structure, the first spring 19 is disposed on the top end of the plug 18, the plug 18 and the first spring 19 form an elastic structure, the top end of the liquid discharge pipe 20 is in a structure like a Chinese character 'shan', the connecting pipe 15 is inserted into the liquid discharge pipe 20, the inner cavity of the liquid discharge pipe 20 is in a structure like a Chinese character 'Y', the top end of the liquid discharge pipe 20 penetrates through the inner side of the connecting pipe 15, the bottom end of the plug 18 abuts against the top end of the liquid discharge pipe 20, as shown in fig. 2 and 8, the plug 18 can be pushed to retract into the sleeve 16 by inserting the liquid discharge pipe 20 into the connecting pipe 15, so that liquid in the water bucket 14 can flow into the liquid discharge pipe 20, when the water bucket 14 is far away from the liquid discharge pipe 20, the first spring 19 rebounds, and the first spring 19 can drive the.

The working principle is as follows: firstly, in order to detect the accuracy of data, workers need to collect water samples of the same quantity from multiple positions in a detected water source and mark the water samples;

then, the environment-friendly heavy metal pollution detection device is in a power-on state through an external power supply, the device main body 1 is connected with an external control computer, the device main body 1 is controlled by the external control computer, then the bucket cover 23 is opened, a plurality of collected water samples are all led into the bucket 14 and are stirred by the stirring roller, after the stirring is finished, the bucket cover 23 is covered, the bucket 14 is placed on the device main body 1, the connecting pipe 15 is inserted into the liquid discharge pipe 20, the liquid discharge pipe 20 can enable the plug 18 to be pushed into the sleeve 16, the plug 18 is far away from the connecting pipe 15, and the water in the bucket 14 can flow into the liquid discharge pipe 20;

then the control button 22 is pressed to control the first group of electromagnetic valves 21 to work, so that the water in the water bucket 14 is guided into the test tube 5 through the liquid discharge pipe 20, after the test tube is filled with the water, the stepping motor 12 is controlled by an external control computer to work, the stepping motor 12 can drive the rotary roller 13 to rotate, the rotary roller 13 drives the tube clamp table 3 to rotate,

the tube clamp table 3 drives the test tubes 5 to rotate through the test tube clamps 4, so that the test tubes 5 can receive water and add reagents in turn for detection in turn, and then the small-sized speed reducing motor 7 is matched to drive the cam 8 to rotate, so that the cam 8 can stir the lug 27, the lug 27 drives the connecting shaft 9 to rotate in the tube clamp table 3, the connecting shaft 9 can drive the test tube clamps 4 to rotate on the tube clamp table 3, and the test tube clamps 4 drive the test tubes 5 to shake;

the staff only needs the water sample of every group's test tube 5 and the interpolation time of detection agent of record, reaches the back when check-out time, only needs to press down spacing clamp plate 63, makes spacing clamp plate 63 keep away from clamp splice 62, can make clamp splice 62 lose the conflict of spacing clamp plate 63, makes clamp splice 62 remove the centre gripping to test tube 5, makes test tube 5 can take off the color comparison, and the staff is several times down with data again, solves the average value at last, can measure the heavy metal pollution degree at water source.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a heavy metal pollution detection device for environmental protection, includes device main part (1), small-size gear motor (7), step motor (12), solenoid valve (21) and control button (22), its characterized in that: the device is characterized in that a supporting seat (2) is fixed on the outer surface of a main body (1) through screws, a stepping motor (12) is fixed on the inner side of the supporting seat (2) through screws, a rotating roller (13) is sleeved at the output end of the stepping motor (12), a tube clamping table (3) is fixed on the upper surface of the rotating roller (13) through screws, a test tube clamp (4) is arranged on the outer surface of the tube clamping table (3), a fixing mechanism (6) is arranged on the inner side of the test tube clamp (4), a test tube (5) is clamped at one end of the test tube clamp (4), a connecting shaft (9) is integrally connected with the other end of the test tube clamp (4), the other end of the connecting shaft (9) is rotatably connected with the tube clamping table (3) through a bearing, a groove (10) is formed in the outer surface of the connecting shaft (9), a convex block (27) is arranged on the inner side of the groove (10), cam (8) have been cup jointed to the output of small-size gear motor (7), and cam (8) set up in the inboard of recess (10), the upper surface of device main part (1) is provided with cask (14) and reagent bucket (26), the upper surface of device main part (1) runs through and is provided with fluid-discharge tube (20), the surface of fluid-discharge tube (20) is provided with solenoid valve (21), the bottom integration of cask (14) is connected with connecting pipe (15), the inboard of connecting pipe (15) is provided with sleeve (16), the both ends of sleeve (16) are all integrated and are connected with connecting rod (17), the other end of connecting rod (17) is connected fixedly with the inner wall integration of connecting pipe (15), the inboard of sleeve (16) is provided with end cap (18) and first spring (19).

2. The environmental protection heavy metal pollution detection device according to claim 1, wherein: the pipe clamp platform (3) forms a rotating structure with the supporting seat (2) through a rotating roller (13), and the rotating roller (13) is rotatably connected with the supporting seat (2) through a bearing.

3. The environmental protection heavy metal pollution detection device according to claim 1, wherein: the fixing mechanism (6) comprises a first sleeve bin (61), a clamping block (62) and a limiting pressure plate (63), the first sleeve bin (61) is arranged at the inner side of the test tube clamp (4), the test tube clamp (4) is in a U-shaped structure, a clamping block (62) and a limiting pressure plate (63) are arranged on the inner side of the first sleeve bin (61), one end of the clamping block (62) penetrates through the surface of the test tube clamp (4), the clamping blocks (62) are arranged at two sides of the test tube (5), the other end of the clamping block (62) is abutted against the limiting pressing plate (63), the limiting pressure plate (63) is of a U-shaped structure, the outer surfaces of the two sides of the limiting pressure plate (63) are rotatably connected with the inner wall of the first sleeve bin (61) through a rotating shaft, one end of the limiting pressing plate (63) penetrates through the surface of the test tube clamp (4), and the other end of the limiting pressing plate (63) is abutted to the two groups of clamping blocks (62) respectively.

4. The environmental protection heavy metal pollution detection device according to claim 3, wherein: the lower surface of the limiting pressing plate (63) is connected with a return spring, and the limiting pressing plate (63) and the return spring form an elastic structure.

5. The environmental protection heavy metal pollution detection device according to claim 1, wherein: connecting axle (9) are connected through bearing and pipe clamp platform (3) rotation, second cover storehouse (11) have been seted up to the inboard of connecting axle (9), the inboard of second cover storehouse (11) is provided with second spring (28), and the bottom of second spring (28) is embedded in the top of lug (27), lug (27) and second cover storehouse (11) constitute extending structure, lug (27) and second spring (28) constitute elastic construction, lug (27) are the triangle-shaped structure.

6. The environmental protection heavy metal pollution detection device according to claim 1, wherein: the outer surface integration of connecting axle (9) is connected with stopper (29), spacing groove (30) have been seted up on the inner wall of pipe clamp platform (3), and stopper (29) set up in the inboard of spacing groove (30), sliding construction is constituteed with spacing groove (30) in stopper (29).

7. The environmental protection heavy metal pollution detection device according to claim 1, wherein: the top of cask (14) is provided with bung (23), the rear end of bung (23) is passed through the articulated shaft and is connected with cask (14) rotation, the front end of bung (23) is connected with fixed knot (25) through the articulated shaft, the surface integration of cask (14) is connected with the card stake, fixed knot (25) constitute buckle structure with the card stake, the both sides surface of cask (14) all integrates and is connected with handle (24).

8. The environmental protection heavy metal pollution detection device according to claim 1, wherein: the plug (18) and the sleeve (16) form a lifting structure, the first spring (19) is arranged at the top end of the plug (18), and the plug (18) and the first spring (19) form an elastic structure.

9. The environmental protection heavy metal pollution detection device according to claim 1, wherein: the top end of the liquid discharge pipe (20) is of a structure in a shape like a Chinese character 'shan', the connecting pipe (15) is inserted into the liquid discharge pipe (20), the inner cavity of the liquid discharge pipe (20) is of a structure in a shape like a Chinese character 'Y', the top end of the liquid discharge pipe (20) penetrates through the inner side of the connecting pipe (15), and the bottom end of the plug (18) is abutted to the top end of the liquid discharge pipe (20).

10. The environmental protection heavy metal pollution detection device according to claim 6, wherein: the inboard of spacing groove (30) is provided with third spring (32) and slider (33), the one end of third spring (32) and the interior wall connection of spacing groove (30), the other end of third spring (32) and the surface connection of slider (33), slider (33) and spacing groove (30) constitute sliding construction, slider (33) and third spring (32) constitute elastic construction, the one side that is close to second spring (28) on the inner wall of spacing groove (30) is glued and is had cushion (31).