CN112903363A

CN112903363A - Sewage sampling device

Info

Publication number: CN112903363A
Application number: CN202110211423.8A
Authority: CN
Inventors: 杨志恒; 王文富; 彭茹冰; 张伟锋; 赵耀先; 李伟; 张勤; 王浩宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-06-04

Abstract

The invention relates to a sewage sampling device, which effectively solves the problems that sampling is not accurate due to poor sampling depth control in the existing sewage sampling process, and the measurement and positioning operations before sampling are complicated and the efficiency is low; the technical scheme of its solution includes the parallelogram structure, the horizontal pole of lower extreme is fixed in the sewage canal bottom, be fixed with the body on the horizontal pole of upper end, the right side of the horizontal pole of upper end is equipped with an impeller, the top of impeller is equipped with an incomplete gear, incomplete gear top meshing has a first gear, the coaxial take-up reel that is fixed with in first gear rear side, the winding is gone up to the take-up reel and is fixed with the rope, the centre of two montants is equipped with a piston cylinder, be equipped with the piston in the piston cylinder, the bottom of piston cylinder is equipped with the pressure spring, rope and piston fixed connection, the left end of piston cylinder has the water inlet, water inlet department is equipped with first check valve, be equipped with the outlet pipe that the surface of water.

Description

Sewage sampling device

Technical Field

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

Background

Need regularly to take a sample the chemical examination to sewage in sewage treatment plant's the sewage transport river course, sewage river course depth of water is generally below one meter, according to sewage sample requirement, the sewage sample that the degree of depth is less than one meter will take a sample in the half department of depth of water, traditional sampling device and method all need artifical measurement to obtain the depth of water, calculate the half department according to the depth of water, sink the sampler into the half department again and take a sample, this process is because sewage is flowing, and the velocity of flow is bigger, rivers in-process liquid level often transforms, the half position that artifical measurement was measured is not necessarily accurate, consequently can cause the sampling inaccuracy and the sampling in-process workman measures the calculation depth of water complex operation, the low scheduling problem of sampling efficiency.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a sewage sampling device, which effectively solves the problems that sampling is not accurate due to the fact that the sampling depth is not easy to control in the existing sewage sampling process, and the measurement positioning operation before sampling is complex and the efficiency is low.

The technical scheme for solving the problems comprises two cross rods which are parallel to each other and two vertical rods which are parallel to each other, wherein the cross rods and the vertical rods are hinged to each other at the head parts to form a parallelogram structure, the cross rod at the lower end is fixed at the bottom of a sewage channel, a floating body is fixed on the cross rod at the upper end, an extending part is arranged on the right side of the cross rod at the upper end, a horizontal rotating shaft in the front-back direction is rotatably arranged on the extending part, impellers are respectively arranged at the front end and the rear end of the rotating shaft, an incomplete gear is arranged above each impeller, the rotating shaft can drive the incomplete gear to rotate, a first gear is meshed above the incomplete gear, a winding wheel is coaxially fixed on the rear side of the first gear, a rope is wound and fixed on the winding wheel, a horizontal piston cylinder is arranged between the two, the bottom of piston cylinder is equipped with the pressure spring, and the free end of rope penetrates in the piston cylinder and with piston fixed connection from the piston cylinder right-hand member portion, and the left end of piston cylinder has the water inlet, and water inlet department is equipped with the first check valve that can one-wayly intake to the piston cylinder from the external world, is equipped with the outlet pipe that the surface of water stretches out in the upper end lateral wall of piston cylinder, is equipped with the second check valve that can one-wayly flow to the external world from the piston cylinder on the outlet pipe.

An F-shaped support is fixed on an extending part of the cross bar at the upper end, and the winding wheel and the incomplete gear are rotatably arranged on the support.

A first belt wheel is coaxially fixed on the rotating shaft, a second belt wheel is coaxially fixed on the incomplete gear, and the first belt wheel is connected with the second belt wheel through a belt.

The water outlet pipe is an L-shaped pipe, a vertical pipe end of the L-shaped pipe is fixed at the left end part of the piston cylinder and communicated with the piston cylinder, and the end part of a transverse pipe of the L-shaped pipe faces forwards and is arranged above the sewage channel.

And a fixed pulley is fixed on the supporting rod on the right side, and the free end of the rope is guided by the fixed pulley and then fixedly connected with the piston.

The invention has novel concept, ingenious structure and strong practicability, and effectively solves the problems of inaccurate sampling, complicated measurement and positioning operation before sampling and low efficiency caused by poor control of the sampling depth in the existing sewage sampling process.

Drawings

FIG. 1 is a front sectional view of the invention when not in use.

Fig. 2 is a front view of the present invention at the time of sampling.

Fig. 3 is a top view of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in figures 1 to 3, the invention comprises two cross rods 1 and two vertical rods 2 which are parallel to each other, the cross rods 1 and the vertical rods 2 are hinged to each other at the head to form a parallelogram structure, the cross rod 1 at the lower end is fixed at the bottom of a sewage canal, a floating body 3 is fixed on the cross rod 1 at the upper end, an extending part is arranged at the right side of the cross rod 1 at the upper end, a horizontal front-back rotating shaft is rotatably arranged on the extending part, impellers 4 are respectively arranged at the front end and the rear end of the rotating shaft, an incomplete gear 5 is arranged above the impellers 4, the rotating shaft can drive the incomplete gear 5 to rotate, a first gear 6 is meshed above the incomplete gear 5, a winding wheel 7 is coaxially fixed at the rear side of the first gear 6, a rope 8 is wound on the winding wheel 7 and fixed, a horizontal piston cylinder 9 is arranged between the two vertical rods 2, the left end and the right end, a piston is arranged in the piston cylinder 9, a pressure spring 10 is arranged at the bottom of the piston cylinder 9, the free end of the rope 8 penetrates into the piston cylinder 9 from the right end part of the piston cylinder 9 and is fixedly connected with the piston, a water inlet is formed in the left end of the piston cylinder 9, a first check valve 11 capable of feeding water into the piston cylinder 9 from the outside in a one-way mode is arranged at the position of the water inlet, a water outlet pipe 12 with the upper end extending out of the water surface is arranged on the side wall of the upper end of the piston cylinder 9, and a second check valve 13 capable of flowing from.

In order to realize the installation of the incomplete gear 5 and the winding wheel 7, an F-shaped bracket 14 is fixed on the extension part of the cross bar 1 at the upper end, and the winding wheel 7 and the incomplete gear 5 are rotatably installed on the bracket 14.

In order to realize that the incomplete gear 5 is driven to rotate by rotating, a first belt wheel is coaxially fixed on the rotating shaft, a second belt wheel is coaxially fixed on the incomplete gear 5, and the first belt wheel is connected with the second belt wheel through a belt.

In order to facilitate water taking from the bank, the water outlet pipe 12 is an L-shaped pipe, a vertical pipe end of the L-shaped pipe is fixed at the left end of the piston cylinder 9 and communicated with the piston cylinder 9, and the end of a horizontal pipe of the L-shaped pipe faces forwards and is placed above the sewage channel.

In order to realize the guiding of the rope 8, a fixed pulley 15 is fixed on the supporting rod on the right side, and the free end of the rope 8 is guided by the fixed pulley 15 and then fixedly connected with the piston.

The specific working process of the invention is as follows: when the device is used, the upper end of a parallelogram structure is pushed to the right side, a floating body 3 on a cross rod 1 at the upper end floats above the water surface, a vertical rod 2 of the parallelogram structure is completely sunk into the water, a piston cylinder 9 hinged at the middle position of the vertical rod 2 is just arranged at one half of the depth of the water at the time, an impeller 4 is arranged on the water surface, the water drives a blade to rotate under the action of the water flow, the blade rotates to drive an incomplete gear 5 to rotate through a first belt wheel and a second belt wheel, the rotation of the incomplete gear 5 can be intermittently meshed with a first gear 6, when a tooth part of the incomplete gear 5 is meshed with the first gear 6, the rotation of the incomplete gear 5 drives the first gear 6 to rotate, the rotation of the first gear 6 drives a wire coiling wheel 7 to tighten a wire 8, the wire 8 tightens to enable a piston to move rightwards, and water is sucked into the piston cylinder 9 through a first, with the continuous rotation of the incomplete gear 5, the toothless part of the incomplete gear 5 corresponds to the first gear 6, at the moment, the incomplete gear 5 does not engage with the first gear 6 to rotate, the first gear 6 loses power and constraint, the piston is pushed to reset leftwards under the reset action of the pressure spring 10, water in the piston cylinder 9 is discharged through the water outlet pipe 12 in the process, a sampling person only needs to take a sampling bottle at the water outlet at the upper end of the water outlet pipe 12, the gear of the impeller 4 rotates to drive the piston to reciprocate, and water at the liquid level depth is continuously pumped into the sampling bottle.

After the completion sampling, rectangular structure when can rotating parallelogram structure, two montants 2 keep vertical form this moment to it is fixed through the stopper, piston cylinder 9 at this moment will stretch out to the liquid level top, place in only remaining two montants 2 on the surface of water this moment, can effectual reduction to the choked flow effect of water, guarantee the normal operating of sewer.

Compared with the traditional equipment, the device has the following advantages:

1. this device passes through parallelogram's nature for parallelogram is under the effect of body 3 after falling, and the aquatic is arranged in to montant 2, and the intermediate position of liquid level is promptly in the centre of montant 2 this moment, under the effect of body 3, how changeable of sewage liquid level height in the sampling time quantum, and what of this device homoenergetic self-adaptation is half the department at the liquid level degree of depth and takes a sample, makes whole sampling process more accurate.

2. This device rotates through the incomplete gear of impeller 4's rotation drive 5 thereby realizes the intermittent type drive of take-up pulley 7, the reseing of this in-process cooperation pressure spring 10, thereby realize the reciprocating motion of piston in piston cylinder 9, the sampling water that the reciprocating motion cooperation first check valve 11 of piston and second check valve 13 realized the half degree of depth is continuous to be pumped to the sampling bottle in, the sampling width that this mode of pumping contrast direct bottling can reach is wideer, make the sample more representative, whole sampling process need not the staff sampling simultaneously, make the sampling more convenient and light.

Claims

1. A sewage sampling device is characterized by comprising two cross rods (1) which are parallel to each other and two vertical rods (2) which are parallel to each other, wherein the cross rods (1) and the vertical rods (2) are hinged at the initial positions to form a parallelogram structure, the cross rod (1) at the lower end is fixed at the bottom of a sewage channel, a floating body (3) is fixed on the cross rod (1) at the upper end, an extension part is arranged on the right side of the cross rod (1) at the upper end, a rotating shaft in the front and back direction is rotatably installed on the extension part, impellers (4) are respectively installed at the front end and the back end of the rotating shaft, an incomplete gear (5) is arranged above the impellers (4), the incomplete gear (5) can be driven to rotate by the rotation of the rotating shaft, a first gear (6) is meshed above the incomplete gear (5), a winding wheel (7) is coaxially fixed at the back side of the, the centre of two montants (2) is equipped with a horizontally piston cylinder (9), both ends articulate the intermediate position that corresponds side montant (2) through the bracing piece respectively about piston cylinder (9), be equipped with the piston in piston cylinder (9), the bottom of piston cylinder (9) is equipped with pressure spring (10), the free end of rope (8) penetrate in piston cylinder (9) and with piston fixed connection from piston cylinder (9) right-hand member portion, the left end of piston cylinder (9) has the water inlet, water inlet department is equipped with first check valve (11) of intaking to piston cylinder (9) from the external world, be equipped with outlet pipe (12) that the surface of water is stretched out to an upper end on the upper end lateral wall of piston cylinder (9), be equipped with second check valve (13) that can one-wayly flow to the external world from piston cylinder (9) on outlet pipe (12.

2. A device for sampling wastewater according to claim 1, characterized in that an F-shaped bracket (14) is fixed on the extension of the cross bar (1) at the upper end, and the winding wheel (7) and the incomplete gear (5) are rotatably mounted on the bracket (14).

3. The wastewater sampling device according to claim 1, wherein a first belt wheel is coaxially fixed on the rotating shaft, a second belt wheel is coaxially fixed on the incomplete gear (5), and the first belt wheel is connected with the second belt wheel through a belt.

4. The sewage sampling device according to claim 1, wherein the water outlet pipe (12) is an L-shaped pipe, a vertical pipe end of the L-shaped pipe is fixed at the left end of the piston cylinder (9) and is communicated with the piston cylinder (9), and a horizontal pipe end of the L-shaped pipe faces forwards and is placed above the sewer.

5. The sewage sampling device according to claim 1, wherein a fixed pulley (15) is fixed on the supporting rod on the right side, and the free end of the rope (8) is fixedly connected with the piston after being guided by the fixed pulley (15).