CN114441229A

CN114441229A - Sampling device for detecting quality of sewage

Info

Publication number: CN114441229A
Application number: CN202111620983.5A
Authority: CN
Inventors: 梁天佐; 臧佳; 郝晓宇; 杜朔泽; 杨啸林
Original assignee: Shanxi Congyuan Guoyi Environmental Monitoring Co ltd
Current assignee: Shanxi Congyuan Guoyi Environmental Monitoring Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-06

Abstract

The sampling device comprises a workbench, wherein a sampling mechanism and a measuring mechanism are arranged on the workbench, the sampling mechanism comprises an installation box, a plurality of sampling tubes are arranged in the installation box, and water inlet assemblies are connected to tube orifices of the sampling tubes and used for enabling sewage at different depths to enter different sampling tubes; the sampling mechanism is connected with the measuring mechanism, and the measuring mechanism is used for measuring the depth of the sampling mechanism entering the sewage; and a counterweight is fixedly arranged on one side of the installation box and is used for enabling the installation box to sink or float in sewage. This application has the effect that improves sewage testing result accuracy.

Description

Sampling device for detecting quality of sewage

Technical Field

The application relates to the field of sewage sampling equipment, in particular to a sampling device for detecting the quality of sewage.

Background

With the rapid development of the industry, the number of various factories is gradually increased, a large amount of sewage is generated and discharged in the production and processing process of many factories, and after the sewage is discharged, harmful substances contained in the sewage can seriously damage the ecological environment and threaten the health and safety of human bodies, so that the sewage needs to be sampled and detected before the sewage is discharged.

At present, sewage sampling equipment is including sample jar, two-way water pump and water pipe, and two-way water pump is installed on the water pipe, during the sample, puts into sewage with water pipe one end, and the other one end of water pipe is put into the sample jar, starts two-way water pump after that, utilizes two-way water pump and water pipe to carry sewage to the sample jar in to accomplish the sampling work of sewage.

Because the sewage composition of the different degree of depth is probably different, above-mentioned sampling process, the sewage that collects in the sample jar is drawn from the sewage department of single degree of depth and is obtained for the sewage sample that sewage sampling equipment got does not have the representativeness, thereby leads to sewage detection's result inaccurate.

Disclosure of Invention

In order to improve the accuracy of sewage detection result, this application provides a sampling device for sewage water quality testing.

The application provides a pair of sampling device for sewage quality testing adopts following technical scheme:

a sampling device for detecting the quality of sewage comprises a workbench, wherein a sampling mechanism and a measuring mechanism are arranged on the workbench, the sampling mechanism comprises an installation box, a plurality of sampling tubes are arranged in the installation box, and water inlet assemblies are connected to tube orifices of the sampling tubes and used for enabling sewage at different depths to enter different sampling tubes; the sampling mechanism is connected with the measuring mechanism, and the measuring mechanism is used for measuring the depth of the sampling mechanism entering the sewage; and a counterweight is fixedly arranged on one side of the installation box and is used for enabling the installation box to sink or float in sewage.

By adopting the technical scheme, the cost measuring mechanism can measure the depth of the sampling mechanism entering the sewage, and when the sampling mechanism reaches the preset depth, the sampling mechanism can enable the sewage with the depth to enter the corresponding sampling pipe, so that the sewage with the corresponding depth can be obtained in each sampling pipe, the sewage sample obtained by the sampling mechanism is more representative, and the accuracy of the sewage detection result is improved; when the weight of install bin was overweight, the install bin all need consume external energy when sinking and the come-up, caused energy loss's problem, and the setting of counterweight can make the install bin automatic sink in sewage and come-up for the very big reduction of energy loss, thereby reduced for sewage water quality testing sampling device to external energy's demand.

Optionally, the water inlet assembly includes a plurality of mounting pipes and water inlet pipes, the mounting pipes and the water inlet pipes are provided and correspond to the sampling pipes one by one, and the pipe diameters of the mounting pipes are not less than the pipe diameters of the sampling pipes; the water inlet pipe is positioned on one side of the mounting box close to the pipe orifice of the sampling pipe, the water inlet pipe is fixedly arranged on the outer wall of the mounting box, the water inlet pipe is communicated with the inside of the mounting box, and a valve is fixedly arranged on the water inlet pipe; the mounting tube is arranged in the mounting box, the mounting tube is inserted at the tube opening of the mounting tube and is coaxially arranged with the water inlet tube, and one end of the mounting tube close to the water inlet tube and one end of the sampling tube far away from the water inlet tube are both abutted against the inner wall of the mounting box; the mounting pipe is fixedly provided with a check valve.

Through adopting above-mentioned technical scheme, after the installation box reachd the predetermined degree of depth in the sewage, the valve on the control corresponding inlet tube is opened, and sewage flows in the installation pipe through the inlet tube, and during the check valve on the installation pipe flowed in the sampling tube that corresponds again for be full of the sewage of predetermined degree of depth in the sampling tube, the setting up of check valve makes the sewage in the sampling tube can not flow out simultaneously, thereby makes for sampling device for sewage water quality testing accomplish the sample in the different degree of depth of sewage.

Optionally, the weight piece includes the weight box, and the level is provided with the fixed plate in the weight box, and the fixed plate separates the weight box for last cavity and lower cavity, and the fixed drainage tube that sets up in the lower cavity, drainage tube one end and last cavity intercommunication, drainage tube one end and the outer sewage intercommunication of lower cavity, the fixed two-way water pump that is provided with on the drainage tube, two-way water pump can be with the liquid discharge to the sewage in the epicoele.

Through adopting above-mentioned technical scheme, when weight box and install bin got into sewage, sewage can get into the last cavity of weight box through the drainage tube, make the weight increase of weight box, and then drive the install bin and sink in sewage, when the install bin needs the come-up, start two-way water pump, two-way water pump can take out the sewage in the last cavity to the weight box outside, make the weight of weight box reduce, and then drive the install bin and float in sewage, thereby make the weight spare realize driving the install bin and sink and the come-up in sewage.

Optionally, a storage tank is arranged on one side of the workbench, a separating mechanism is connected to the workbench, and the separating mechanism is used for taking out the sampling tubes from the installation box one by one and placing the sampling tubes into the storage tank.

Through adopting above-mentioned technical scheme, after the install bin got into sewage, the install bin surface received the pollution, and when the user directly took out the sampling tube in the install bin, can contact the install bin, lead to the user to be polluted by sewage, and separating mechanism can make the sampling tube put into the storage tank in proper order, avoids the direct and install bin contact of user to the protection of sampling device for sewage quality testing to the user has been improved.

Optionally, the mounting box includes the roof, and the roof lid is established on the mounting box top, and the roof is articulated with the mounting box, and roof and the articulated first motor of fixedly connected with of mounting box department.

Through adopting above-mentioned technical scheme, use first motor to control opening and closing of install bin roof, the sample tube of being convenient for puts into and takes out in the install bin, avoids user direct contact roof to receive the pollution when opening it simultaneously to sewage sampling device for water quality testing's practicality has been improved.

Optionally, separating mechanism is including promoting the subassembly and depositing the subassembly, and a plurality of sampling tube is placed along vertical direction butt, and the setting of promotion subassembly is in the sampling tube below to promote the sampling tube from bottom to top outside the install bin, deposit the subassembly and be used for taking the sampling tube that the promotion subassembly pushed out the install bin outside and transport to the storage tank.

Through adopting above-mentioned technical scheme, promote the subassembly and transport the sampling tube to the install bin outside in proper order, deposit the sampling tube that the subassembly will promote the subassembly transportation simultaneously and transport to the storage tank in, the cooperation that promotes the subassembly and deposit the subassembly is used and is made the sampling tube transport to the increase of efficiency in the storage tank to sewage is sampling device's for the water quality testing work efficiency has been improved.

Optionally, a plurality of the sampling tube is along vertical direction butt setting in proper order, and the promotion subassembly sets up in the install bin, and is located the install bin bottom, and the promotion subassembly includes first electric telescopic handle and push pedal, the vertical setting of first electric telescopic handle, first electric telescopic handle bottom and install bin fixed connection, and first electric telescopic handle top is connected with the push pedal, and the push pedal level sets up in the sampling tube below.

Through adopting above-mentioned technical scheme, start first electric telescopic handle, first electric telescopic handle upwards extends, drives the push pedal rebound for the first sampling tube of keeping away from the push pedal is transported outside the install bin, treats that the storage assembly takes the sampling tube away the back, and first electric telescopic handle continues upwards to extend, and process before the repetition is transported to the storage tank until all sampling tubes, thereby makes the promotion subassembly can transport the sampling tube outside the install bin in proper order.

Optionally, a magnet is fixedly arranged at one end of the sampling tube, which is far away from the mounting tube, the storage assembly is arranged on the workbench, the storage assembly comprises a first cylinder, a second cylinder and a second electric telescopic rod, the first cylinder is horizontally arranged on the top surface of the workbench, the length direction of the first cylinder is the same as that of the workbench, and a cylinder body of the first cylinder is fixedly connected with the workbench; the second cylinder is positioned on the working top surface, the length direction of the second cylinder is vertical to that of the first cylinder, the piston rod of the second cylinder is positioned on one side of the first cylinder, which is close to the installation box, and the cylinder body of the second cylinder is fixedly connected with the workbench; the vertical setting of second electric telescopic handle is between first cylinder and install bin, second electric telescopic handle top and second cylinder piston rod fixed connection, and one side fixedly connected with electromagnet that first cylinder is close to in second electric telescopic handle bottom is used for adsorbing each other with magnet after the electromagnet circular telegram.

Through adopting above-mentioned technical scheme, start first cylinder and second cylinder, first cylinder and second cylinder drive electromagnet move in the plane, make electromagnet be close to the magnet on the corresponding sampling tube in the horizontal plane, then control second electric telescopic handle, make electromagnet be close to the magnet on the corresponding sampling tube in vertical direction, treat electromagnet and pass through the magnet with the sampling tube after the absorption, start first cylinder again, second cylinder and second electric telescopic handle, make the adsorbed sampling tube be close to the storage tank, after the sampling tube gets into the storage tank, electromagnet stops to adsorb magnet, make the sampling tube stay in the storage tank, deposit and finish the back, storage component continues the process before the repetition, all transport to the storage tank until all sampling tubes, thereby make storage component accomplish the transportation of sampling tube.

The installation box internal fixation is provided with the electromagnetism piece, and the electromagnetism piece is provided with a plurality of, and with magnet one-to-one, the magnetism opposite with magnet after the electromagnetism piece circular telegram.

Through adopting above-mentioned technical scheme, when magnet was kept away from to the installation tube one end and install bin inner wall left the space, sewage can lead to inside the install bin, the sampling tube outside is polluted by sewage in the space infiltration install bin, and the electromagnetic sheet can avoid the sampling tube outside to be polluted to the protection of sampling device for sewage water quality testing to the sampling tube has been improved.

Optionally, the measuring mechanism is arranged on the workbench, the measuring mechanism includes a third cylinder, a second motor, a support column and a rope, the third cylinder is horizontally arranged on the top surface of the workbench, the length direction of the third cylinder is perpendicular to the length direction of the workbench, a piston rod of the third cylinder faces to one side close to the installation box, and a cylinder body of the third cylinder is fixedly connected with the workbench; the second motor is fixedly connected with a third cylinder piston rod, and an output shaft of the second motor is coaxially arranged with the third cylinder piston rod; the supporting column is positioned on one side of the second motor, which is far away from the third cylinder, and is coaxially arranged with the output shaft of the second motor and fixedly connected with the output shaft of the second motor; rope one end and support column fixed connection, and the rope is around establishing on the support column, the other one end of rope and install bin fixed connection.

Through adopting above-mentioned technical scheme, the install bin gets into the in-process of sewage, start the second motor, second motor output shaft drives the support column and rotates, make on the support column around the rope of establishing and the install bin downstream together, the length that the rope got into in the sewage is the same with the degree of depth that the install bin got into in the sewage, after the install bin reachd the predetermined degree of depth, motor output shaft stall, make the install bin suspension at the predetermined degree of depth, treat that the sampling tube sample is accomplished the back, the motor restarts again, continue to measure the degree of depth that the install bin got into sewage, the position that makes the sampling tube sample is more accurate, thereby the accuracy of sewage detection result has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the sampling mechanism and the measuring mechanism, sewage with corresponding depth can be obtained in each sampling pipe, so that a sewage sample obtained by the sampling mechanism is more representative, and the accuracy of a sewage detection result is improved;

by arranging the counterweight, the installation box automatically sinks and floats in the sewage, so that the energy loss is greatly reduced, and the requirement of the sampling device for detecting the quality of the sewage on external energy is reduced;

through setting up the promotion subassembly and depositing the subassembly, the cooperation of promotion subassembly and depositing the subassembly is used and is made the sampling tube transport to the efficiency increase in the storage tank to sewage quality of water detects and uses sampling device's work efficiency has been improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application;

FIG. 3 is a partial cross-sectional view of an embodiment of the present application to show a sampling mechanism;

FIG. 4 is a partial schematic structural diagram of the embodiment of the present application after hiding the installation box;

fig. 5 is a partially enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a work table; 11. a storage tank; 2. a measuring mechanism; 21. a third cylinder; 22. a second motor; 23. a support column; 24. a rope; 3. a sampling mechanism; 31. installing a box; 311. an electromagnetic sheet; 312. a top plate; 313. a first motor; 314. mounting a box; 32. a sampling tube; 321. a magnet; 33. a water intake assembly; 331. installing a pipe; 3311. a one-way valve; 332. a water inlet pipe; 3321. a valve; 34. a counterweight; 341. a weight box; 3411. an upper chamber; 3412. a lower chamber; 3413. a fixing plate; 342. a bidirectional water pump; 343. a drainage tube; 4. a separating mechanism; 41. a pushing assembly; 411. a first electric telescopic rod; 412. pushing the plate; 42. storing the assembly; 421. a first cylinder; 422. a second cylinder; 423. a second electric telescopic rod; 424. an electromagnetic chuck.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses sampling device for sewage quality testing. Referring to fig. 1 and 2, sampling device for sewage water quality testing includes workstation 1, is connected with measuring mechanism 2 and separating mechanism 4 on the workstation 1, and measuring mechanism 2 below is connected with sampling mechanism 3, and sampling mechanism 3 is used for getting into the sewage and carries out the sewage sampling, and measuring mechanism 2 is used for measuring the degree of depth that sampling mechanism 3 got into sewage, and separating mechanism 4 is used for transporting the sewage that the different degree of depth samples obtained to workstation 1 in proper order.

Referring to fig. 1 and 2, the work table 1 is horizontally disposed, a storage groove 11 is formed in one side of the work table 1 in the length direction, and the length direction of the storage groove 11 is the same as the length direction of the work table 1. The measuring mechanism 2 comprises a third cylinder 21, a second motor 22 and a support column 23, the third cylinder 21 is horizontally arranged on the top surface of the workbench 1, the length direction of the third cylinder 21 is vertical to the length direction of the workbench 1, a piston rod of the third cylinder 21 faces to one side of the workbench 1, which is provided with the storage groove 11, and the cylinder body of the third cylinder 21 is fixedly connected with the workbench 1; the second motor 22 is positioned at one side close to the piston rod of the third cylinder 21, the output shaft of the second motor 22 is coaxially arranged with the piston rod of the third cylinder 21, and the second motor 22 is fixedly connected with the piston rod of the third cylinder 21; a supporting column 23 is coaxially arranged on one side, away from the third cylinder 21, of the second motor 22, and the supporting column 23 is fixedly connected with an output shaft of the second motor 22; the support column 23 is wound with a rope 24, the rope 24 is marked with scales, one end of the rope 24 is fixedly connected with the support column 23, and the other end of the rope 24 is connected with the sampling mechanism 3.

Firstly, the sampling device for detecting the quality of sewage is moved to the vicinity of a sewage pool, then the sampling mechanism 3 is placed into the sewage, the sampling mechanism 3 sinks in the sewage, meanwhile, the second motor 22 starts to rotate, so that a rope 24 connected with the sampling mechanism 3 moves downwards, at the moment, the depth of the sampling mechanism 3 entering the sewage pool can be known by observing the length of the rope 24 entering the sewage, when the sampling mechanism 3 reaches the preset depth, the second motor 22 stops rotating, so that the sampling mechanism 3 is suspended at the fixed depth of the sewage pool, meanwhile, the sampling mechanism 3 starts to sample the sewage at the depth, after the sampling of the sewage at the depth is completed, the second motor 22 continues to rotate, so that the sampling mechanism 3 continues to sink, and when the sampling mechanism 3 reaches the next preset depth, the measuring mechanism 2 repeats the previous process again.

Referring to fig. 2 and 3, the sampling mechanism 3 is located on one side of the workbench 1 close to the storage tank 11, the sampling mechanism 3 comprises an installation box 31 and a water inlet assembly 33, the installation box 31 is horizontally arranged below the rope 24, the top end of the installation box 31 is of an open structure, a top plate 312 is arranged at the top end of the installation box 31 in a covering mode, the length direction of the top plate 312 is the same as that of the workbench 1, and one side, close to the workbench 1, of the top plate 312 is hinged to the installation box 31; referring to fig. 4, a first motor 313 is fixedly connected to one end of the top plate 312 in the length direction, and the first motor 313 is located at the hinge joint of the top plate 312 and the installation box 31; the first motor 313 is covered with a mounting box 314, and the mounting box 314 is fixedly connected with the mounting box 31.

Referring to fig. 2 and 3, a sampling tube 32 is placed in the installation box 31, the sampling tube 32 is horizontally arranged, two ends of the sampling tube 32 in the length direction are both of a closed structure, a plurality of sampling tubes 32 are arranged in the vertical direction, and adjacent sampling tubes 32 are mutually abutted; the water inlet component 33 comprises a plurality of mounting tubes 331 and water inlet tubes 332, the mounting tubes 331 and the water inlet tubes 332 are respectively provided with a plurality of water inlets, the mounting tubes 331 and the water inlet tubes 332 are respectively in one-to-one correspondence with the sampling tubes 32, and the mounting tubes 331 and the water inlet tubes 332 are respectively arranged coaxially with the sampling tubes 32; the water inlet pipe 332 is inserted into one side of the installation box 31 close to the workbench 1, one end of the water inlet pipe 332 close to the sampling pipe 32 is flush with the inner wall of the installation box 31, and the water inlet pipe 332 is fixedly connected with the installation box 31; a valve 3321 is fixedly arranged on the water inlet pipe 332; the installation tube 331 is positioned in the installation box 31, the installation tube 331 is inserted into one side of the sampling tube 32 close to the workbench 1, the installation tube 331 is in threaded connection with the sampling tube 32, the diameter of the installation tube 331 is the same as that of the water inlet tube 332, and one end of the installation tube 331 close to the water inlet tube 332 is tightly abutted to the inner wall of the installation box 31; the mounting tube 331 is fixedly provided with a one-way valve 3311, and one side of the mounting tube 331 far away from the water inlet pipe 332 is fixedly provided with a magnet 321; referring to fig. 5, an electromagnetic sheet 311 is arranged in the installation box 31, the electromagnetic sheets 311 are provided with a plurality of magnets 321, the electromagnetic sheets 311 correspond to the magnets 321 one by one, the electromagnetic sheets 311 are located on one side of the installation box 31 far away from the water inlet pipe 332, and the magnetism of the electromagnetic sheets 311 is opposite to that of the magnets 321 after the electromagnetic sheets 311 are electrified.

Referring to fig. 2 and 3, the sampling mechanism 3 can float on the surface of the sewage, a counterweight 34 is fixedly arranged on one side of the installation box 31 away from the water inlet pipe 332, the counterweight 34 can enable the sampling mechanism 3 to sink into the sewage, the counterweight 34 comprises a counterweight box 341, a bidirectional water pump 342 and a drainage pipe 343, the counterweight box 341 is horizontally arranged, the top surface of the counterweight box 341 is fixedly connected with the rope 24, and the counterweight box 341 is fixedly connected with the installation box 31; a fixing plate 3413 is horizontally arranged in the weight box 341, the fixing plate 3413 is fixedly connected with the weight box 341, and the fixing plate 3413 divides the interior of the weight box 341 into an upper chamber 3411 and a lower chamber 3412; the drainage tube 343 is positioned in the lower chamber 3412, one end of the drainage tube 343 is inserted into the fixing plate 3413, the drainage tube 343 is communicated with the inside of the upper chamber 3411, the other end of the drainage tube 343 is inserted into the side of the lower chamber 3412 away from the mounting box 31, the drainage tube 343 is communicated with the outside of the lower chamber 3412, and the drainage tube 343 is fixedly connected with the fixing plate 3413 and the lower chamber 3412; a bidirectional water pump 342 is installed on the drainage tube 343, and the bidirectional water pump 342 is used to discharge the wastewater in the upper chamber 3411 to the outside of the weight box 341 or to transfer the wastewater outside the weight box 341 to the upper chamber 3411.

The sampling mechanism 3 cannot completely enter the sewage, and the sewage can flow into the upper chamber 3411 of the weight box 341 from the drainage tube 343 at the bottom of the weight box 341, so that the weight of the weight box 341 is increased, and the weight box 341 drives the installation box 31 to sink together in the sewage; when the installation box 31 reaches a preset depth, the first valve 3321 of the installation box 31 from top to bottom is controlled to be opened, so that sewage at the depth enters the corresponding water inlet pipe 332 and then flows into the corresponding installation pipe 331, the check valve 3311 arranged on the installation pipe 331 can allow the sewage to flow into the corresponding sampling pipe 32, after the sampling pipe 32 is collected, the inside of the sampling pipe 32 is filled with the sewage at the moment, so that the outside sewage cannot enter again, and meanwhile, the check valve 3311 is arranged so that the sewage in the sampling pipe 32 cannot flow out, so that the sewage sampling at the depth is completed. After the sewage sampling of all depths is completed, the bidirectional water pump 342 is started, the bidirectional water pump 342 discharges the sewage in the upper chamber 3411 to the outside of the weight box 341, so that the whole weight of the sampling mechanism 3 is reduced, the second motor 22 is started at the same time, the second motor 22 rotates reversely, and the sampling mechanism 3 can float upwards under the dual functions of buoyancy and the tensile force of the rope 24. After the installation box 31 floats to the surface of the sewage, the first motor 313 is started, and the first motor 313 drives the top plate 312 on the installation box 31 to rotate, so that the top plate 312 of the installation box 31 is opened.

Referring to fig. 1 and 3, separating mechanism 4 includes pushing assembly 41 and storage assembly 42, pushing assembly 41 sets up in install bin 31, and is located sampling tube 32 below, pushing assembly 41 includes first electric telescopic handle 411 and push pedal 412, the vertical setting of first electric telescopic handle 411, first electric telescopic handle 411 bottom and install bin 31 fixed connection, first electric telescopic handle 411 top and push pedal 412 fixed connection, push pedal 412 level sets up, push pedal 412 and the sampling tube 32 butt of below.

Referring to fig. 1, the storage assembly 42 includes a first cylinder 421, a second cylinder 422, a second electric telescopic rod 423 and an electromagnetic chuck 424, the first cylinder 421 is horizontally disposed on the top surface of the workbench 1, the length direction of the first cylinder 421 is the same as the length direction of the workbench 1, the first cylinder 421 is located on one side of the workbench 1 close to the installation box 31 and located at one end of the storage tank 11 in the length direction, and the cylinder body of the first cylinder 421 is fixedly connected with the workbench 1; the second cylinder 422 is horizontally arranged, the length direction of the second cylinder 422 is vertical to that of the first cylinder 421, the piston rod of the second cylinder 422 faces to one side close to the installation box 31, the second cylinder 422 is positioned at one side of the first cylinder 421 close to the third cylinder 21, and the cylinder body of the second cylinder 422 is fixedly connected with the piston rod of the first cylinder 421; the second electric telescopic rod 423 is vertically arranged between the workbench 1 and the installation box 31, and the top of the second electric telescopic rod 423 is fixedly connected with a piston rod of the second cylinder 422; the bottom of the second electric telescopic rod 423 is fixedly connected with the electromagnetic chuck 424, and the electromagnetic chuck 424 is located between the second electric telescopic rod 423 and the workbench 1.

After the top plate 312 of the installation box 31 is opened, the first electric telescopic rod 411 is started, the first electric telescopic rod 411 extends vertically upwards, so that the push plate 412 moves upwards, thereby enabling the first sampling tube 32 from top to bottom in the installation box 31 to be transported to the outside of the sampling tube 32, simultaneously starting the first air cylinder 421, the second air cylinder 422 and the second electric telescopic rod 423, so that the electromagnetic chuck 424 is driven by the first cylinder 421, the second cylinder 422 and the second electric telescopic rod 423 to be close to the magnet 321 on the sampling tube 32, then, the electromagnetic chuck 424 is energized, so that the sampling tube 32 is attracted to the electromagnetic chuck 424 by the magnet 321, then the first cylinder 421, the second cylinder 422 and the second electric telescopic rod 423 are started again to transport the sampling tube 32 to the storage tank 11 on the workbench 1, at the moment, the electromagnetic chuck 424 is powered off, so that the force between the electromagnetic chuck 424 and the magnet 321 is removed, thereby completing the storage of the sampling tube 32.

The implementation principle of the sampling device for detecting the quality of the sewage water in the embodiment of the application is as follows: firstly, the sampling device for detecting the quality of the sewage is moved to the vicinity of a sewage pool, then the sampling mechanism 3 is put into the sewage, the sampling mechanism 3 sinks in the sewage, meanwhile, the second motor 22 starts to rotate, so that the rope 24 connected with the sampling mechanism 3 moves downwards, at the moment, the depth of the sampling mechanism 3 entering the sewage pool can be known by observing the length of the rope 24 entering the sewage, when the sampling mechanism 3 reaches the preset depth, the first valve 3321 of the installation box 31 from top to bottom is controlled to be opened, so that the sewage with the depth enters the corresponding water inlet pipe 332 and then flows into the corresponding installation pipe 331, the check valve 3311 arranged on the installation pipe 331 can allow the sewage to flow into the corresponding sampling pipe 32, after the sampling pipe 32 is collected, the second motor 22 continues to rotate, so that the sampling mechanism 3 continues to sink, when the sampling mechanism 3 reaches the next preset depth, the measuring means 2 and the sampling means 3 repeat the previous process again to sample the sewage. After the sewage sampling of all depths is completed, the bidirectional water pump 342 is started, the bidirectional water pump 342 discharges the sewage in the upper chamber 3411 to the outside of the weight box 341, so that the whole weight of the sampling mechanism 3 is reduced, the second motor 22 is started at the same time, the second motor 22 rotates reversely, and the sampling mechanism 3 can float upwards under the dual functions of buoyancy and the tensile force of the rope 24. After the installation case 31 floats up to the surface of the sewage, the first motor 313 is activated so that the top plate 312 of the installation case 31 is opened. Start first electric telescopic handle 411, first electric telescopic handle 411 is vertical upwards to extend, make push pedal 412 upward movement, and then make the interior first sampling tube 32 of top-down of installation box 31 transport to the sampling tube 32 outside, start first cylinder 421 simultaneously, second cylinder 422 and second electric telescopic handle 423, make electromagnetic chuck 424 be close to the magnet 321 on the sampling tube 32 under the drive of first cylinder 421, second cylinder 422 and second electric telescopic handle 423, then start electromagnetic chuck 424, make sampling tube 32 pass through magnet 321 and adsorb on electromagnetic chuck 424, then start first cylinder 421 again, second cylinder 422 and second electric telescopic handle 423, transport sampling tube 32 to the deposit on workstation 1 in, close electromagnetic chuck 424 this moment, make the effort between electromagnetic chuck 424 and the magnet 321 disappear, thereby accomplish the deposit of sampling tube 32.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sampling device for sewage water quality testing which characterized in that: the sampling device comprises a workbench (1), wherein a sampling mechanism (3) and a measuring mechanism (2) are arranged on the workbench (1), the sampling mechanism (3) comprises an installation box (31), a plurality of sampling tubes (32) are arranged in the installation box (31), the tube openings of the sampling tubes (32) are connected with a water inlet assembly (33), and the water inlet assembly (33) is used for enabling sewage of different depths to enter different sampling tubes (32); the sampling mechanism (3) is connected with the measuring mechanism (2), and the measuring mechanism (2) is used for measuring the depth of the sampling mechanism (3) entering the sewage; a counterweight (34) is fixedly arranged on one side of the installation box (31), and the counterweight (34) is used for enabling the installation box (31) to sink or float in sewage.

2. The sampling device for wastewater quality detection according to claim 1, characterized in that: the water inlet assembly (33) comprises a plurality of mounting tubes (331) and a plurality of water inlet tubes (332), the mounting tubes (331) and the water inlet tubes (332) are respectively arranged and correspond to the sampling tubes (32) one by one, and the diameters of the mounting tubes (331) are not smaller than those of the sampling tubes (32); the water inlet pipe (332) is positioned on one side, close to the pipe orifice of the sampling pipe (32), of the installation box (31), the water inlet pipe (332) is fixedly arranged on the outer wall of the installation box (31), the water inlet pipe (332) is communicated with the inside of the installation box (31), and the water inlet pipe (332) is fixedly provided with a valve (3321); the installation pipe (331) is arranged in the installation box (31), the installation pipe (331) is inserted at the pipe orifice of the installation pipe (331) and is coaxially arranged with the water inlet pipe (332), and one end of the installation pipe (331) close to the water inlet pipe (332) and one end of the sampling pipe (32) far away from the water inlet pipe (332) are both abutted against the inner wall of the installation box (31); the installation tube (331) is fixedly provided with a one-way valve (3311).

3. The sampling device for wastewater quality detection according to claim 2, characterized in that: the counterweight (34) comprises a counterweight box (341), a fixing plate (3413) is horizontally arranged in the counterweight box (341), the counterweight box (341) is divided into an upper chamber (3411) and a lower chamber (3412) by the fixing plate (3413), a drainage tube (343) is fixedly arranged in the lower chamber (3412), one end of the drainage tube (343) is communicated with the upper chamber (3411), one end of the drainage tube (343) is communicated with sewage outside the lower chamber (3412), a bidirectional water pump (342) is fixedly arranged on the drainage tube (343), and the bidirectional water pump (342) can convey the sewage to the upper chamber (3411) or discharge liquid in the upper chamber (3411) into the sewage.

4. The sampling device for wastewater quality detection according to claim 1, characterized in that: storage tank (11) have been seted up to workstation (1) one side, be connected with separating mechanism (4) on workstation (1), separating mechanism (4) are used for taking out sampling tube (32) from install bin (31) one by one and put into storage tank (11).

5. The sampling device for wastewater quality detection according to claim 4, wherein: install bin (31) are including roof (312), and roof (312) lid is established on install bin (31) top, and roof (312) are articulated with install bin (31), and roof (312) and install bin (31) articulated department fixedly connected with first motor (313).

6. The sampling device for wastewater quality detection according to claim 5, characterized in that: separating mechanism (4) are including promoting subassembly (41) and depositing subassembly (42), and a plurality of sampling tube (32) are placed along vertical direction butt, and promotion subassembly (41) set up in sampling tube (32) below to be used for promoting sampling tube (32) from bottom to top outside installation box (31), deposit subassembly (42) and be used for taking and promote subassembly (41) and push out sampling tube (32) outside installation box (31) and transport to in storage tank (11).

7. The sampling device for wastewater quality detection according to claim 6, characterized in that: promote subassembly (41) and include first electric telescopic handle (411) and push pedal (412), first electric telescopic handle (411) vertical setting, first electric telescopic handle (411) bottom and install bin (31) fixed connection, first electric telescopic handle (411) top is connected with push pedal (412), push pedal (412) level setting sampling tube (32) below the below.

8. The sampling device for wastewater quality detection according to claim 7, characterized in that: a magnet (321) is fixedly arranged at one end, far away from the mounting tube (331), of the sampling tube (32), a storage assembly (42) is arranged on the workbench (1), the storage assembly (42) comprises a first air cylinder (421), a second air cylinder (422) and a second electric telescopic rod (423), the first air cylinder (421) is horizontally arranged on the top surface of the workbench (1), the length direction of the first air cylinder (421) is the same as that of the workbench (1), and the cylinder body of the first air cylinder (421) is fixedly connected with the workbench (1); the second air cylinder (422) is positioned on the working top surface, the length direction of the second air cylinder (422) is vertical to that of the first air cylinder (421), a piston rod of the second air cylinder (422) is positioned on one side, close to the installation box (31), of the first air cylinder (421), and a cylinder body of the second air cylinder (422) is fixedly connected with the working table (1); second electric telescopic handle (423) is vertical to be set up between first cylinder (421) and install bin (31), second electric telescopic handle (423) top and second cylinder (422) piston rod fixed connection, and one side fixedly connected with electromagnetic chuck (424) that second electric telescopic handle (423) bottom is close to first cylinder (421), and electromagnetic chuck (424) circular telegram back is used for adsorbing each other with magnet (321).

9. The sampling device for wastewater quality detection according to claim 8, characterized in that: the electromagnetic sheet (311) is fixedly arranged in the installation box (31), the electromagnetic sheets (311) are provided with a plurality of magnets (321) in one-to-one correspondence, and the magnetism of the electromagnetic sheets (311) is opposite to that of the magnets (321) after the electromagnetic sheets (311) are electrified.

10. The sampling device for wastewater quality detection according to claim 1, characterized in that: the measuring mechanism (2) is arranged on the workbench (1), the measuring mechanism (2) comprises a third cylinder (21), a second motor (22), a supporting column (23) and a rope (24), the third cylinder (21) is horizontally arranged on the top surface of the workbench (1), the length direction of the third cylinder (21) is vertical to that of the workbench (1), a piston rod of the third cylinder (21) faces one side close to the installation box (31), and a cylinder body of the third cylinder (21) is fixedly connected with the workbench (1); the second motor (22) is fixedly connected with a piston rod of the third cylinder (21), and an output shaft of the second motor (22) is coaxially arranged with the piston rod of the third cylinder (21); the supporting column (23) is positioned on one side, away from the third cylinder (21), of the second motor (22), and the supporting column (23) is coaxially arranged with an output shaft of the second motor (22) and fixedly connected with the output shaft of the second motor (22); rope (24) one end and support column (23) fixed connection, and rope (24) are around establishing on support column (23), and rope (24) other end and install bin (31) fixed connection.