CN111964974B

CN111964974B - Sewage sampling detection device

Info

Publication number: CN111964974B
Application number: CN202011131832.9A
Authority: CN
Inventors: 李昕
Original assignee: Jiangsu Xinrui Environmental Monitoring Co ltd
Current assignee: JIANGSU XINRUI ENVIRONMENTAL MONITORING Co.,Ltd.
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-02-19
Anticipated expiration: 2040-10-21
Also published as: CN111964974A

Abstract

The invention discloses a sewage sampling detection device, which relates to the field of sewage detection and comprises a main body, wherein a battery is installed at the top end of the main body, the interior of the main body is connected with a lifting mechanism, two sides of the interior of the main body are provided with lifting mechanisms, the interior of each lifting mechanism is connected with a lifting rope, and the lifting rope penetrates through the inner wall of the main body and extends to the lower part of the main body to be connected with a sampling mechanism. According to the invention, through the arranged lifting mechanism, the lifting rope and the first motor, when sampling is carried out, the output end of the first motor drives the belt to rotate, the belt drives the multiple groups of driven teeth to synchronously rotate with the driven rod, the driven rod drives the collecting disc to rotate, so that the lifting rope in the collecting disc extends, the sampling mechanism enters sewage, the firmness of the lifting rope can be effectively improved through the metal wire and the connecting sheet arranged in the lifting rope, the sampling mechanism can keep sufficient stability when moving, and the problem that the sampling equipment is inconvenient to move is effectively solved.

Description

Sewage sampling detection device

Technical Field

The invention relates to the field of sewage detection, in particular to a sewage sampling detection device.

Background

The water quality monitoring is a process for monitoring and measuring the types of pollutants in the water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition. The monitoring range is very wide, including uncontaminated and contaminated natural water (rivers, lakes, seas and underground water) and various industrial drainage and the like, and the main monitoring items can be divided into two main categories: one is a comprehensive index reflecting the water quality conditions, such as temperature, chroma, turbidity, pH value, conductivity, suspended matters, dissolved oxygen, chemical oxygen demand, biochemical oxygen demand and the like; the other is some toxic substances, such as phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury, organic pesticides and the like, and a sampling detection device is needed to detect the sewage for detecting the water quality at present, and after a water sample is collected, the water sample is analyzed as soon as possible in principle.

But current sewage sampling detection device generally can adopt frozen method to preserve the processing to sewage when using, but can not effectively utilize discharged heat in the save process, cause the energy waste, and in the sample in-process, the quality of water of the different degree of depth is having the material that contains the difference, when taking a sample, can not take a sample respectively to the water of the degree of depth of difference, influence and use the sampling effect, the device generally all floats on the surface of water, and when taking a sample to darker water sample, need adopt longer support frame to put into aquatic with sampling equipment, occupation space is great, influence the availability factor.

Disclosure of Invention

The invention aims to: in order to solve the problem that the energy is wasted, the water at different depths cannot be sampled, and the sampling equipment is inconvenient to move, a sewage sampling detection device is provided.

In order to achieve the purpose, the invention provides the following technical scheme: a sewage sampling detection device comprises a main body, wherein a battery is installed at the top end of the main body, a drying mechanism is connected inside the main body, lifting mechanisms are installed inside the main body and positioned on two sides of the drying mechanism, lifting ropes are connected inside the lifting mechanisms, the lifting ropes penetrate through the inner wall of the main body and extend to the lower portion of the main body to be connected with a sampling mechanism, a plurality of groups of sampling bottles are installed at the top end of the sampling mechanism, and a heat exchange mechanism is installed inside the main body and positioned between the two groups of lifting mechanisms;

the bottom end of the sampling bottle is provided with a mounting opening, a one-way valve is mounted inside the mounting opening, the top end of the one-way valve is provided with a sealing ring, the inside of the sampling bottle is provided with a sampling piston, the top end of the sampling bottle is provided with an air hole, and the top end of the sampling bottle is provided with a plurality of groups of fixing plugs around the air hole;

the sampling device comprises a sampling mechanism, a lower sliding pipe, a return device, a conductive belt and a return fan, wherein the top end of the sampling mechanism is provided with an upper sliding pipe, an upper piston is arranged in the upper sliding pipe, the top end of the sampling mechanism is positioned at two sides of the upper sliding pipe and is provided with a plurality of connectors, the two ends of the sampling mechanism are provided with a plurality of hangers, the bottom end of the sampling mechanism is connected with the lower sliding pipe, the lower sliding pipe is internally provided with the lower piston, the outer wall of the upper sliding pipe is provided with the return device, the outer side of the return device is connected with the conductive belt, and the inner;

the drying mechanism is provided with a second motor positioned on the outer wall of the main body, the output end of the second motor penetrates through the main body and extends to the inside of the main body to be connected with a helical gear, two sides of the helical gear are both connected with a conducting rod, and the conducting rod extends to the inside of the drying mechanism to be connected with a collecting bin;

the heat exchange mechanism is positioned in the main body and is internally provided with a compressor, the input end of the compressor is connected with a plurality of groups of cooling pipes through a pipeline, the output end of the compressor extends to the inside of the drying mechanism through a pipeline and is connected with a heat dissipation plate, an expansion valve is arranged between the cooling pipes and the heat dissipation plate, the heat dissipation plate is connected with the cooling pipes through a pipeline, and the sampling bottle extends to the inside of the cooling pipes;

every group hoist mechanism's internally mounted all has the driven lever, and the end connection of driven lever has driven tooth, the belt has been cup jointed in the outside of driven tooth, every group the catch tray has all been cup jointed to the outer wall of driven lever, the lifting rope is located the inside of catch tray.

Preferably, the support frame has been seted up to the bottom of main part, solar panel is installed to the top of support frame, solar panel passes through the wire and switches on with the battery.

Preferably, the trip has all been seted up to the both sides of main part, and every group the bottom of trip all links there is the floating bottle, the floating bottle is located the below of main part.

Preferably, a first motor is installed at one end of the main body, an output end of the first motor extends to the inside of the main body and is connected with a driving tooth, and the first motor is connected with the belt in a clamping manner through the driving tooth.

Preferably, a power transmission strip is installed inside the main body, and the return device is connected with the power transmission strip in a clamping mode through a conductive strip.

Preferably, a plurality of groups of metal wires are arranged inside the lifting rope, connecting pieces are connected between every two groups of metal wires, and the connecting pieces are X-shaped.

Preferably, the outer walls of the sampling piston, the upper piston and the lower piston are all provided with sealing rings, and the diameter of the upper piston is larger than that of the lower piston.

Preferably, the top end of the main body is provided with a gripping sleeve, and the sampling bottle is connected with the gripping sleeve in a clamping manner through a fixed plug.

Preferably, every group the outer wall of connector all is seted up threadedly, the connector passes through screw thread and installing port fixed connection.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention starts a compressor when cooling a sampling bottle after sampling through the arranged heat exchange structure, the drying mechanism and the main body, the compressor extracts and compresses cooling liquid in a cooling pipe to form high-pressure high-temperature cooling liquid, after the high-temperature high-pressure cooling liquid enters a heat dissipation plate, a large amount of heat is dissipated and heats the heat dissipation plate, the pressure is reduced through an expansion valve to form low-temperature low-pressure cooling liquid, the cooling liquid enters a plurality of groups of cooling pipes along pipelines, the cooling liquid cools the sampling bottle to finish the cooling of the sampling bottle, at the moment, a second motor is started, the output end of the second motor drives a transmission rod to rotate, the helical gear drives a collection bin to rotate, the collection bin is rotated into the drying mechanism and is attached to the heat dissipation plate, at the moment, the heat of the heat dissipation plate dries the collection bin, the floating objects collected in the collection bin are dried, so that the collected objects are attached to the inner wall of the collection bin and form a detection sample, the use of energy is improved, the use efficiency is improved, and the problem of energy waste is effectively solved;

2. through the arranged main body, the lifting mechanism, the sampling mechanism and the sampling bottles, the sampling mechanism continuously dives under the driving of the lifting mechanism, the pressure in water is also continuously increased, the lower piston is continuously extruded by high water pressure, the lower piston slides in the lower sliding pipe and pushes the upper piston to move upwards until a group of connectors are opened, the first motor is stopped, a water source extrudes the check valve at the bottom end of the sampling bottle and enters the first group of sampling bottles, the sampling piston moves upwards under the action of water pressure and exhausts the gas in the sampling bottle until the first group of sampling bottles are filled, the first motor is restarted at the moment, the sampling mechanism continuously dives downwards, the water pressure continuously increases, the lower piston is continuously pushed in the lower sliding pipe until the lower piston moves to one side of the second group of connectors, the second group of sampling bottles are opened until the second group of sampling bottles are completely sampled, the first motor is continuously started, so that a plurality of groups of subsequent sampling bottles finish sampling, and the sampling bottles at different positions can sample water at different depths, so that water sources at different depths can be conveniently sampled;

3. through the hoist mechanism who sets up, lifting rope and first motor, when taking a sample, at first start first motor, the output of first motor drives the belt and rotates, the belt drives the synchronous rotation of multiunit driven tooth and driven lever, the driven lever drives the catch tray and rotates, thereby make the lifting rope extension in the catch tray, thereby make in the sample mechanism enters into sewage, the fastness that the wire of seting up in the lifting rope and connection piece can effectual improvement lifting rope, make the sample mechanism can keep sufficient stability when removing, the service efficiency is improved, the inconvenient problem of sampling equipment removal has effectively been solved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural diagram of a sampling mechanism according to the present invention;

FIG. 4 is a schematic view of a sampling bottle according to the present invention;

FIG. 5 is a schematic view of a cooling tube configuration of the present invention;

FIG. 6 is a schematic sectional view of the upper slide tube of the present invention;

FIG. 7 is a schematic view of a lift cord securement structure of the present invention;

fig. 8 is a schematic view of the internal structure of the lift cord of the present invention.

In the figure: 1. a main body; 101. a hook is clamped; 102. floating the bottle; 103. a solar panel; 104. a support frame; 105. a grip sleeve; 106. a first motor; 2. a battery; 201. a power transmission strip; 3. sampling a bottle; 301. air holes; 302. a sampling piston; 303. fixing the plug; 304. an installation port; 305. a one-way valve; 306. a seal ring; 4. a sampling mechanism; 401. an upper sliding pipe; 402. a return device; 403. a connector; 404. hanging a lug; 405. a down slide pipe; 406. an upper piston; 407. a lower piston; 408. a conductive tape; 409. a return fan; 5. a drying mechanism; 501. a collection bin; 502. a second motor; 503. a helical gear; 504. a conductive rod; 6. a heat exchange mechanism; 601. a cooling tube; 602. a compressor; 603. a heat dissipation plate; 604. an expansion valve; 7. a lifting mechanism; 701. a driven tooth; 702. a driven lever; 703. a collection tray; 704. a belt; 8. a lift cord; 801. a metal wire; 802. and (7) connecting the sheets.

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. 1-8, a sewage sampling detection device comprises a main body 1, a battery 2 is mounted at the top end of the main body 1, a drying mechanism 5 is connected inside the main body 1, lifting mechanisms 7 are mounted at two sides of the drying mechanism 5 inside the main body 1, lifting ropes 8 are connected inside the lifting mechanisms 7, the lifting ropes 8 penetrate through the inner wall of the main body 1 and extend to the lower part of the main body 1 to be connected with a sampling mechanism 4, a plurality of groups of sampling bottles 3 are mounted at the top end of the sampling mechanism 4, and a heat exchange mechanism 6 is mounted between the two groups of lifting mechanisms 7 inside the main body 1;

the bottom end of the sampling bottle 3 is provided with a mounting port 304, a one-way valve 305 is mounted inside the mounting port 304, the top end of the one-way valve 305 is provided with a sealing ring 306, the inside of the sampling bottle 3 is provided with a sampling piston 302, the top end of the sampling bottle 3 is provided with an air hole 301, and the top end of the sampling bottle 3 is provided with a plurality of groups of fixing plugs 303 around the air hole 301;

an upper sliding pipe 401 is arranged at the top end of the sampling mechanism 4, an upper piston 406 is arranged inside the upper sliding pipe 401, a plurality of groups of connectors 403 are arranged at the top end of the sampling mechanism 4 and positioned at two sides of the upper sliding pipe 401, a plurality of groups of hanging lugs 404 are arranged at two ends of the sampling mechanism 4, a lower sliding pipe 405 is connected to the bottom end of the sampling mechanism 4, a lower piston 407 is arranged inside the lower sliding pipe 405, a return device 402 is arranged on the outer wall of the upper sliding pipe 401, a conductive belt 408 is connected to the outer side of the return device 402, and a return fan 409 is arranged inside the upper sliding pipe 401 and positioned at the inner;

the drying mechanism 5 is provided with a second motor 502 positioned on the outer wall of the main body 1, the output end of the second motor 502 penetrates through the main body 1 and extends to the inside of the main body 1 to be connected with a bevel gear 503, both sides of the bevel gear 503 are connected with a conducting rod 504, and the conducting rod 504 extends to the inside of the drying mechanism 5 to be connected with a collection bin 501;

a compressor 602 is arranged in the main body 1 of the heat exchange mechanism 6, the input end of the compressor 602 is connected with a plurality of groups of cooling pipes 601 through pipelines, the output end of the compressor 602 extends to the inside of the drying mechanism 5 through a pipeline and is connected with a heat radiation plate 603, an expansion valve 604 is arranged between the cooling pipe 601 and the heat radiation plate 603, the heat radiation plate 603 is connected with the cooling pipe 601 through a pipeline, and the sampling bottle 3 extends to the inside of the cooling pipe 601;

driven rods 702 are arranged inside each group of lifting mechanisms 7, the end portions of the driven rods 702 are connected with driven teeth 701, belts 704 are sleeved outside the driven teeth 701, a collecting disc 703 is sleeved on the outer wall of each group of driven rods 702, and the lifting ropes 8 are located inside the collecting disc 703.

Please refer to fig. 1, a supporting frame 104 is disposed at the bottom of the main body 1, a solar panel 103 is disposed above the supporting frame 104, and the solar panel 103 is connected to the battery 2 through a wire, so as to charge the device conveniently without charging the device frequently, thereby improving the use efficiency.

Please refer to fig. 1, the two sides of the main body 1 are both provided with hooks 101, and the bottom end of each group of hooks 101 is connected with a floating bottle 102, the floating bottle 102 is located below the main body 1, so that the main body 1 can float on the water surface to prevent the device from sinking.

Please refer to fig. 2, one end of the main body 1 is installed with the first motor 106, an output end of the first motor 106 extends to the inside of the main body 1 and is connected with the driving gear, the first motor 106 is connected with the belt 704 through the driving gear in a clamping manner, so that the first motor 106 can drive the belt 704 to rotate, thereby increasing the power of the lifting mechanism 7.

Referring to fig. 4, the power transmission strip 201 is installed inside the main body 1, the returning device 402 is connected to the power transmission strip 201 through a conductive tape 408, and the power of the battery 2 can be transmitted into the returning device 402 through the power transmission strip to supply power to the returning device 402.

Please refer to fig. 8, a plurality of sets of metal wires 801 are disposed inside the lifting rope 8, and a connecting sheet 802 is connected between each two sets of metal wires 801, the connecting sheet 802 is shaped like an X, so as to effectively enhance the strength of the lifting rope 8 and improve the stability of the lifting rope 8 when pulling the sampling mechanism 4.

Please refer to fig. 4 and fig. 6, the outer walls of the sampling piston 302, the upper piston 406 and the lower piston 407 are all provided with sealing rings, and the diameter of the upper piston 406 is larger than that of the lower piston 407, so that the water source will not leak when the sampling piston 302, the upper piston 406 and the lower piston 407 move.

Please refer to fig. 1 and 5, a gripping sleeve 105 is disposed at the top end of the main body 1, the sampling bottle 3 is connected with the gripping sleeve 105 through a fixed plug 303, and the frozen sampling bottle 3 can be conveniently taken out through the gripping sleeve 105.

Please refer to fig. 3, the outer wall of each set of connectors 403 is threaded, and the connectors 403 are fixedly connected to the mounting openings 304 through threads, so that the sampling bottles 3 can be conveniently mounted on the sampling mechanism 4.

The working principle is as follows: firstly, the device is placed on sewage to be sampled, the solar panel 103 charges the battery 2 to enable the device to normally operate, the collection bin 501 is unfolded to enable the collection bin 501 to collect floating particles and plankton on the water surface, then the first motor 106 is started, the output end of the first motor 106 drives the belt 704 to rotate, the belt 704 drives the multiple sets of driven teeth 701 and the driven rod 702 to synchronously rotate, the driven rod 702 drives the collection disc 703 to rotate, so that the lifting rope 8 in the collection disc 703 extends, the sampling mechanism 4 enters the sewage, the metal wire 801 and the connecting sheet 802 arranged in the lifting rope 8 can effectively improve the firmness of the lifting rope 8, the sampling mechanism 4 can keep enough stability when moving, the use efficiency is improved, when the sampling mechanism 4 continuously dives, the pressure in the water is also continuously increased, the lower piston 407 is continuously extruded by high water pressure, the lower piston 407 slides in the lower sliding tube 405 and pushes the upper piston 406 to move upwards until one group of connectors 403 is opened, the first motor 106 is stopped, the water source extrudes the check valve 305 at the bottom end of the sampling bottle 3 and enters the first group of sampling bottles 3, the sampling piston 302 moves upwards under the action of water pressure and discharges the gas in the sampling bottle 3 until the first group of sampling bottles 3 are filled, at this time, the first motor 106 is started again, the sampling mechanism 4 continues submerging, the water pressure continues to increase, the lower piston 407 continues to be pushed in the lower sliding tube 405 until the lower piston 407 moves to one side of the second group of connectors, so that the second group of sampling bottles 3 are opened, until the second group of sampling bottles 3 are sampled, the first motor 106 continues to be started, so that the subsequent groups of sampling bottles 3 finish sampling, and the sampling bottles 3 at different depths can sample water, conveniently sample the water source of different depths, when the sampling depth needs to be changed, the auxiliary agent (such as sandstone and the like) with different weights is injected into the upper sliding pipe to change the pressure of the upper piston 406, then the first motor 106 is reversely started to enable the lifting mechanism 7 to reversely operate, so that the collection disc 703 collects the lifting rope, the sampling mechanism 4 moves upwards, in the process of moving upwards, the one-way valve 305 can prevent the sample in the sampling bottle 3 from leaking, until after a plurality of groups of sampling bottles 3 move into the cooling pipe 601, the compressor 602 is started, the compressor 602 extracts and compresses the cooling liquid in the cooling pipe 601 to form high-pressure and high-temperature cooling liquid, after the high-temperature and high-pressure cooling liquid enters the heat dissipation plate 603, a large amount of heat is dissipated and the heat dissipation plate 603 is heated, and the pressure is reduced through the expansion valve 604 to form low-temperature and low-pressure cooling liquid, the cooling liquid enters the plurality of groups of cooling pipes 601 along, cooling the sampling bottle 3 by the cooling liquid, completing cooling of the sampling bottle 3, starting the second motor 502 at the moment, rotating the output end of the second motor 502 with the bevel gear 503, rotating the bevel gear 503 to drive the conduction rod 504 to rotate, rotating the collection bin 501 by the conduction rod 504, rotating the collection bin 501 into the drying mechanism 5, attaching the collection bin 501 to the heat dissipation plate 603, drying the collection bin 501 by the heat of the heat dissipation plate 603 at the moment, drying the floating objects collected in the collection bin 501, attaching the collection objects to the inner wall of the collection bin 501 to form a detection sample, without secondary processing, improving the use of energy, improving the use efficiency, then detaching the sampling bottle 3 from the sampling mechanism 4 by holding the sleeve 105, detaching the sampling bottle 3 from the sampling mechanism 4, and connecting the return device 402 with the power transmission bar 201 through the conductive belt 408, so as to start the return fan 409, pulling the upper piston 406, and pushes the lower piston 407 to slide in the lower sliding tube 405 until each group of pistons recovers to the original position, thereby completing the sampling of the sewage.

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 sewage sampling detection device, includes main part (1), its characterized in that: the battery (2) is installed at the top end of the main body (1), the drying mechanism (5) is connected to the inside of the main body (1), the lifting mechanisms (7) are installed on two sides, located on the drying mechanism (5), of the inside of the main body (1), the lifting ropes (8) are connected to the inside of the lifting mechanisms (7), the lifting ropes (8) penetrate through the inner wall of the main body (1) and extend to the lower portion of the main body (1) to be connected with the sampling mechanism (4), a plurality of groups of sampling bottles (3) are installed at the top end of the sampling mechanism (4), and the heat exchange mechanism (6) is installed between the two groups of lifting mechanisms (7) in the main body (1);

the bottom end of the sampling bottle (3) is provided with a mounting port (304), a one-way valve (305) is mounted inside the mounting port (304), the top end of the one-way valve (305) is provided with a sealing ring (306), the inside of the sampling bottle (3) is provided with a sampling piston (302), the top end of the sampling bottle (3) is provided with an air hole (301), and the top end of the sampling bottle (3) is provided with a plurality of groups of fixed plugs (303) around the air hole (301);

the sampling device is characterized in that an upper sliding pipe (401) is arranged at the top end of the sampling mechanism (4), an upper piston (406) is arranged inside the upper sliding pipe (401), a plurality of groups of connectors (403) are arranged at the top end of the sampling mechanism (4) and positioned on two sides of the upper sliding pipe (401), a plurality of groups of lugs (404) are arranged at two ends of the sampling mechanism (4), a lower sliding pipe (405) is connected to the bottom end of the sampling mechanism (4), a lower piston (407) is arranged inside the lower sliding pipe (405), a return device (402) is arranged on the outer wall of the upper sliding pipe (401), an electrically conductive belt (408) is connected to the outer side of the return device (402), and a return fan (409) is arranged inside the upper sliding pipe (401) and positioned on the inner side of the return device (;

the drying mechanism (5) is provided with a second motor (502) located on the outer wall of the main body (1), the output end of the second motor (502) penetrates through the main body (1) and extends to the inside of the main body (1) to be connected with a bevel gear (503), two sides of the bevel gear (503) are connected with a conduction rod (504), and the inside of the conduction rod (504) extending to the drying mechanism (5) is connected with a collection bin (501);

the heat exchange mechanism (6) is positioned inside the main body (1) and is provided with a compressor (602), the input end of the compressor (602) is connected with a plurality of groups of cooling pipes (601) through a pipeline, the output end of the compressor (602) extends to the drying mechanism (5) through a pipeline and is connected with a heat dissipation plate (603), an expansion valve (604) is arranged between the cooling pipes (601) and the heat dissipation plate (603), the heat dissipation plate (603) is connected with the cooling pipes (601) through a pipeline, and the sampling bottle (3) extends to the inside of the cooling pipes (601);

every group the internally mounted of hoist mechanism (7) all has driven lever (702), and the end connection of driven lever (702) has driven tooth (701), belt (704) have been cup jointed in the outside of driven tooth (701), every group the outer wall of driven lever (702) all has cup jointed catch tray (703), lifting rope (8) are located the inside of catch tray (703).

2. The sewage sampling detection device of claim 1, wherein: support frame (104) have been seted up to the bottom of main part (1), solar panel (103) are installed to the top of support frame (104), solar panel (103) pass through the wire and switch-on with battery (2).

3. The sewage sampling detection device of claim 1, wherein: trip (101) have all been seted up to the both sides of main part (1), and every group the bottom of trip (101) all links to have floats bottle (102), it is located the below of main part (1) to float bottle (102).

4. The sewage sampling detection device of claim 1, wherein: first motor (106) are installed to the one end of main part (1), the output of first motor (106) extends to the inside of main part (1) and is connected with the drive tooth, first motor (106) are connected with belt (704) block through the drive tooth.

5. The sewage sampling detection device of claim 1, wherein: the internal mounting of main part (1) has transmission strip (201), return ware (402) are connected with transmission strip (201) block through conductive band (408).

6. The sewage sampling detection device of claim 1, wherein: the lifting rope (8) is internally provided with a plurality of groups of metal wires (801), a connecting sheet (802) is connected between every two groups of metal wires (801), and the connecting sheet (802) is X-shaped.

7. The sewage sampling detection device of claim 1, wherein: the outer walls of the sampling piston (302), the upper piston (406) and the lower piston (407) are all provided with sealing rings, and the diameter of the upper piston (406) is larger than that of the lower piston (407).

8. The sewage sampling detection device of claim 1, wherein: the top of main part (1) has been seted up and has been held tight cover (105), sample bottle (3) are connected with holding tight cover (105) block through fixed plug (303).

9. The sewage sampling detection device of claim 1, wherein: every group the outer wall of connector (403) all is seted up threadedly, connector (403) pass through screw thread and installing port (304) fixed connection.