CN109932213B - High-level liquid waste sampling rod based on servo control accurate sampling - Google Patents
High-level liquid waste sampling rod based on servo control accurate sampling Download PDFInfo
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- CN109932213B CN109932213B CN201810420737.7A CN201810420737A CN109932213B CN 109932213 B CN109932213 B CN 109932213B CN 201810420737 A CN201810420737 A CN 201810420737A CN 109932213 B CN109932213 B CN 109932213B
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Abstract
The invention discloses a high-level radioactive waste liquid sampling rod based on servo control accurate sampling, which comprises a sampling work box, wherein the upper end of the sampling work box is provided with a fixed seat and an installation seat, the upper end of the fixed seat is provided with a suspender positioning pull rope displacement sensor, and the upper end of the installation seat is provided with an electric servo lifting device; the upper end of the sampling work box is provided with a pull rope sensor steel wire rope, a steel wire rope A and a steel wire rope B; a suspender module unit is arranged on the sampling work box, and a buckle type quick-change mechanical interface device and a sampler are arranged at the front end of the suspender module unit. The sampler arranged on the high radioactive waste liquid sampling rod based on servo control accurate sampling is used for sampling each layer of an organic phase, a clear liquid phase and a slurry phase and is used for quantitative accurate sampling; a steel wire rope of the pull rope sensor and a suspender position the pull rope displacement sensor to realize real-time position monitoring, control and accurate sampling; the whole structure is stable, the sampling point is accurately positioned, and the sampling quantity is accurate.
Description
Technical Field
The invention relates to the technical field of storage, detection and sampling of nuclear waste liquid in the field of nuclear industry, in particular to a high-level radioactive waste liquid sampling rod capable of accurately sampling based on servo control.
Background
Along with the automatic technical reserve of nuclear industry and long-term development, the high tapping liquid in the storage pool needs regularly to be sampled and analyzed in the storage process of the high tapping liquid waste liquid of nuclear industry, the sample site location and the inaccurate problem of sample volume are taken at the sampling in-process in traditional manual application of force operation, because the pollution of the high radiation protection of sample, consequently, the sample volume that is used for the analysis need carry out strict control, the sample volume is too much will increase the radiation dose, consequently need a high tapping liquid waste liquid sampling rod based on the accurate sampling of servo control for the sample site location is accurate, the sample volume is accurate.
Disclosure of Invention
The invention aims to provide a high-level radioactive waste liquid sampling rod based on servo control accurate sampling, which has the advantages of accurate sampling point positioning and accurate sampling amount and solves the problems of inaccurate sampling point positioning and sampling amount in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-level radioactive waste liquid sampling rod based on servo control accurate sampling comprises a sampling work box, wherein the upper end of the sampling work box is provided with a fixed seat and a mounting seat, and the fixed seat and the mounting seat are both fixedly mounted at the top of the sampling work box; a boom positioning stay rope displacement sensor is arranged at the upper end of the fixed seat and is fixedly arranged at the upper end of the fixed seat; the upper end of the mounting seat is provided with an electric servo lifting device; the upper end of the sampling work box is provided with a pull rope sensor steel wire rope, a steel wire rope A and a steel wire rope B; a suspender module unit is arranged on the sampling work box and is connected with a steel wire rope of a pull rope sensor and a steel wire rope A; the front end of the suspender module unit is provided with a buckle type quick-change mechanical interface device, and the front end of the buckle type quick-change mechanical interface device is provided with a sampler; the two ends of the suspender module unit are provided with buckles, and the periphery of the suspender module unit is provided with a steel wire rope guide mechanism; the front end of the hanger rod module unit is provided with a bayonet A, the upper end of the bayonet A is provided with a nut, and the nut is in contact connection with the bayonet A; the upper end of the nut is provided with a clamping groove, the side end of the clamping groove is provided with a spring, and the spring is fixedly arranged in the suspender module unit; a bayonet B is arranged at the upper end of the buckle type quick-change mechanical interface device; a pipe wall sleeve is arranged on the periphery of the buckle type quick-change mechanical interface device, a compression spring is arranged inside the pipe wall sleeve, a traction block is arranged at the lower end of the compression spring, and the compression spring is in contact connection with the traction block; the lower end of the traction block is provided with a sampling piston which is fixedly connected with the traction block; the lower end of the sampling piston is fixedly connected with the sampler.
As a further scheme of the invention: bayonet B is the same with bayonet A model, and bayonet B and bayonet A correspond the setting.
As a further scheme of the invention: the length of each section of the suspender module unit does not exceed 500 mm.
As a further scheme of the invention: the number of the suspender modular units is a plurality of, the suspender modular units are connected in a buckling mode to form a sampling rod, and the suspender modular units penetrate through holes reserved in the top of the sampling working box in sections.
Compared with the prior art, the invention has the beneficial effects that:
the suspender module unit of the high-level radioactive waste liquid sampling rod based on servo control accurate sampling is connected through a buckle to form the sampling rod, so that falling off can be prevented; the locking bayonet A prevents gaps among all levels of boom module units from influencing sampling precision in the sampling process, the boom module units penetrate through holes reserved at the top of a sampling working box in sections, the sampling rods are spliced section by section during working and penetrate through the sampling working box to enter a high-level radioactive waste liquid storage tank at different heights, and a sampler is placed at the tail end of each sampling rod to sample all layers of organic phases, clear liquid phases and slurry phases for quantitative and accurate sampling; during sampling, the power transmission of the electric servo lifting device acts on the buckle type quick-change mechanical interface device through a steel wire rope A to drive the sampler to act so as to finish sampling, the sampling stroke of the sampler is transmitted to the boom positioning stay rope displacement sensor through a steel wire rope of a stay rope sensor connected to the buckle type quick-change mechanical interface device, and the accurate sampling of the real-time position monitoring control is realized; according to waste attributes corresponding to different sampling positions, different types of sampling devices are selected to be installed on the connecting suspension rod, the sampling devices and the sampling rod vertically penetrate into a sampling work box with a fixed caliber, and then are put into the storage tank through a reserved hole with the fixed caliber at different heights, so that accurate positioning and quantitative sampling of an upper organic phase layer, a middle clear liquid layer and a bottom mud layer in the storage tank can be realized, and the sampled samples are transferred into sample bottles in shielding containers in the sampling box; the whole structure is stable, the sampling point is accurately positioned, and the sampling quantity is accurate.
Drawings
FIG. 1 is a schematic diagram of the operation of the present invention;
FIG. 2 is a schematic view of a boom module unit of the present invention;
FIG. 3 is a view of the invention in the direction A;
FIG. 4 is a schematic view of a snap-in quick-change mechanical interface device according to the present invention;
fig. 5 is a P-direction view of the present invention.
In the figure: 1-sampling work box; 2-a fixed seat; 3-mounting a base; 4-boom positioning stay cord displacement sensor; 5-an electric servo-lift; 6-stay cord sensor wire rope; 7-steel wire rope A; 8-steel wire rope B; 9-boom module unit; 10-snap-on quick change mechanical interface means; 11-a sampler; 12-buckling; 13-a wire rope guide mechanism; 14-bayonet A; 15-a nut; 16-a card slot; 17-a spring; 18-bayonet B; 19-tube wall sleeve; 20-compression spring; 21-a traction block; 22-sampling piston.
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. 1-5, in the embodiment of the present invention, a high level radioactive waste liquid sampling rod based on servo control accurate sampling includes a sampling work box 1, a shielding container is arranged in the sampling work box 1, a sample bottle is arranged in the shielding container, a fixing seat 2 and a mounting seat 3 are arranged at the upper end of the sampling work box 1, and the fixing seat 2 and the mounting seat 3 are both fixedly mounted at the top of the sampling work box 1; a boom positioning stay rope displacement sensor 4 is arranged at the upper end of the fixed seat 2, and the boom positioning stay rope displacement sensor 4 is fixedly arranged at the upper end of the fixed seat 2; the upper end of the mounting seat 3 is provided with an electric servo lifting device 5; the upper end of the sampling work box 1 is provided with a pull rope sensor steel wire rope 6, a steel wire rope A7 and a steel wire rope B8; a suspender module unit 9 is arranged on the sampling work box 1, the suspender module unit 9 is connected with a pull rope sensor steel wire rope 6 and a steel wire rope A7, and the length of each section of the suspender module unit 9 is not more than 500 mm; the front end of the suspender module unit 9 is provided with a buckle type quick-change mechanical interface device 10 which is quickly connected through a buckle 12, the tail ends of the stay rope sensor steel wire rope 6 and the steel wire rope A7 are both connected to an installation interface of the buckle type quick-change mechanical interface device 10, and the front end of the buckle type quick-change mechanical interface device 10 is provided with a sampler 11; the two ends of the suspender module unit 9 are provided with buckles 12, the periphery of the suspender module unit 9 is provided with a steel wire rope guide mechanism 13, and the steel wire rope A7 and the steel wire rope B8 are prevented from being clamped or coiled in the process of extending and retracting the sampling rod; the front end of the hanger rod module unit 9 is provided with a bayonet A14, the upper end of the bayonet A14 is provided with a nut 15, and the nut 15 is in contact connection with the bayonet A14; the upper end of the nut 15 is provided with a clamping groove 16, the side end of the clamping groove 16 is provided with a spring 17, and the spring 17 is fixedly arranged in the suspender module unit 9; the number of the boom module units 9 is multiple, two ends of each boom module unit 9 are respectively provided with a buckle 12, the head of each buckle 12 is a bayonet A14, the tail of each buckle 12 is a clamping groove 16, the boom module units 9 are connected through the buckles 12 to form a sampling rod, the bayonet A14 axially jacks a spring 17 at the end of the tail clamping groove 16 during connection, the sampling rod is clamped into the clamping groove 16 after rotating for a certain angle, and the suspension rod is prevented from falling off under the acting force of the spring 17; after the bayonet A14 enters the clamping groove 16, the nut 15 is screwed down, the nut 15 tightly pushes against the bayonet A14, and the bayonet A14 is locked to prevent gaps between the boom module units 9 at all levels from influencing sampling precision; the provided buckle type quick-change mechanical interface device 10 is used for switching different samplers 11, a bayonet B18 is arranged at the upper end of the buckle type quick-change mechanical interface device 10, a bayonet B18 is the same as a bayonet A14 in model, a bayonet B18 is arranged corresponding to the bayonet A14 and is convenient to mount, a pipe wall sleeve 19 is arranged on the periphery of the buckle type quick-change mechanical interface device 10, a compression spring 20 is arranged inside the pipe wall sleeve 19, a traction block 21 is arranged at the lower end of the compression spring 20, the compression spring 20 is in contact connection with the traction block 21, the traction block 21 is pressed by the pre-applied force of the compression spring 20, and two side ends of the traction block 21 are connected with a pull rope sensor steel wire rope; the lower end of the traction block 21 is provided with a sampling piston 22, and the sampling piston 22 is fixedly connected with the traction block 21; the lower end of the sampling piston 22 is fixedly connected with the sampler 11, and the motion stroke of the traction block 21 can be accurately controlled by the electric servo lifting device 5 and the boom positioning stay cord displacement sensor 4; the suspender module unit 9 penetrates through a hole reserved at the top of the sampling working box 1 in sections, the multi-stage telescopic expansion is expanded step by step to realize the length extension of the sampling suspender, the sampling rods are spliced section by section during working, penetrate through the sampling working box 1 and enter a high-level radioactive waste liquid storage tank at different heights, and a sampler 11 is arranged at the tail end of each sampling rod to sample each layer of an organic phase, a clear liquid phase and a slurry phase; during sampling, the power transmission of the electric servo lifting device 5 acts on the buckle type quick-change mechanical interface device 10 through a steel wire rope A7 to drive the sampler 11 to move so as to finish sampling, and the sampling stroke of the sampler 11 is transmitted to the boom positioning stay rope displacement sensor 4 through the stay rope sensor steel wire rope 6 connected to the buckle type quick-change mechanical interface device 10, so that accurate sampling of position real-time monitoring control is realized.
In summary, the following steps: the suspender module unit 9 of the high-level radioactive waste liquid sampling rod based on servo control accurate sampling is connected through a buckle 12 to form the sampling rod, so that falling off can be prevented; the locking bayonet A14 prevents the clearance between the boom module units 9 at all levels from influencing the sampling precision in the sampling process, the boom module units 9 pass through the holes reserved at the top of the sampling work box 1 in sections, the sampling rods are spliced section by section during work, the sampling rods pass through the sampling work box 1 and enter the high-level waste liquid storage tank at different heights, and the sampler 11 is arranged at the tail end of the sampling rod to sample the organic phase, the clear liquid phase and the slurry phase in layers for quantitative and accurate sampling; during sampling, the power transmission of the electric servo lifting device 5 acts on the buckle type quick-change mechanical interface device 10 through a steel wire rope A7 to drive the sampler 11 to act so as to finish sampling, the sampling stroke of the sampler 11 is transmitted to the boom positioning stay rope displacement sensor 4 through a stay rope sensor steel wire rope 6 connected to the buckle type quick-change mechanical interface device 10, and the position real-time monitoring control accurate sampling is realized; according to waste attributes corresponding to different sampling positions, different types of sampling devices are selected to be installed on the connecting suspension rod, the sampling devices and the sampling rod vertically penetrate into a sampling work box with a fixed caliber, and then are put into the storage tank through a reserved hole with the fixed caliber at different heights, so that accurate positioning and quantitative sampling of an upper organic phase layer, a middle clear liquid layer and a bottom mud layer in the storage tank can be realized, and the sampled samples are transferred into sample bottles in shielding containers in the sampling box; the whole structure is stable, the sampling point is accurately positioned, and the sampling quantity is accurate.
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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a high waste liquid thief rod of putting based on accurate sample of servo control, includes sample work box (1), its characterized in that: the upper end of the sampling work box (1) is provided with a fixed seat (2) and a mounting seat (3), and the fixed seat (2) and the mounting seat (3) are both fixedly mounted at the top of the sampling work box (1); a boom positioning stay rope displacement sensor (4) is arranged at the upper end of the fixed seat (2), and the boom positioning stay rope displacement sensor (4) is fixedly arranged at the upper end of the fixed seat (2); an electric servo lifting device (5) is arranged at the upper end of the mounting seat (3); a pull rope sensor steel wire rope (6), a steel wire rope A (7) and a steel wire rope B (8) are arranged at the upper end of the sampling work box (1); a suspender module unit (9) is arranged on the sampling work box (1), and the suspender module unit (9) is connected with a stay rope sensor steel wire rope (6) and a steel wire rope A (7); the front end of the suspender module unit (9) is provided with a buckle type quick-change mechanical interface device (10), and the front end of the buckle type quick-change mechanical interface device (10) is provided with a sampler (11); the two ends of the suspender module unit (9) are provided with buckles (12), and the periphery of the suspender module unit (9) is provided with a steel wire rope guide mechanism (13); a bayonet A (14) is arranged at the front end of the hanger rod module unit (9), a nut (15) is arranged at the upper end of the bayonet A (14), and the nut (15) is in contact connection with the bayonet A (14); a clamping groove (16) is formed in the upper end of the nut (15), a spring (17) is arranged at the side end of the clamping groove (16), and the spring (17) is fixedly installed in the suspender module unit (9); a bayonet B (18) is arranged at the upper end of the buckle type quick-change mechanical interface device (10); a pipe wall sleeve (19) is arranged on the periphery of the buckle type quick-change mechanical interface device (10), a compression spring (20) is arranged inside the pipe wall sleeve (19), a traction block (21) is arranged at the lower end of the compression spring (20), and the compression spring (20) is in contact connection with the traction block (21); the lower end of the traction block (21) is provided with a sampling piston (22), and the sampling piston (22) is fixedly connected with the traction block (21); the lower end of the sampling piston (22) is fixedly connected with the sampler (11).
2. The high level liquid waste sampling rod based on servo control accurate sampling according to claim 1, characterized in that: the bayonet B (18) is the same as the bayonet A (14) in type, and the bayonet B (18) is arranged corresponding to the bayonet A (14).
3. The high level liquid waste sampling rod based on servo control accurate sampling according to claim 1, characterized in that: the length of each section of the suspender module unit (9) does not exceed 500 mm.
4. The high level liquid waste sampling rod based on servo control accurate sampling according to claim 1, characterized in that: the number of the suspender module units (9) is multiple, the suspender module units (9) are connected in a buckling mode to form a sampling rod, and the suspender module units (9) pass through holes reserved in the top of the sampling work box (1) in sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420737.7A CN109932213B (en) | 2018-05-04 | 2018-05-04 | High-level liquid waste sampling rod based on servo control accurate sampling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810420737.7A CN109932213B (en) | 2018-05-04 | 2018-05-04 | High-level liquid waste sampling rod based on servo control accurate sampling |
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| CN109932213A CN109932213A (en) | 2019-06-25 |
| CN109932213B true CN109932213B (en) | 2021-07-13 |
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2018
- 2018-05-04 CN CN201810420737.7A patent/CN109932213B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| CN201974300U (en) * | 2010-12-29 | 2011-09-14 | 浙江博凡动力装备有限公司 | Thief rod |
| WO2012172538A1 (en) * | 2011-06-12 | 2012-12-20 | Adi Mottes | Probe for monitoring the electrical conductivity of soil solutions |
| CN205138829U (en) * | 2015-11-10 | 2016-04-06 | 中国石油天然气股份有限公司 | Sampling device |
| CN106198104A (en) * | 2016-08-09 | 2016-12-07 | 陈知怡 | A kind of Novel sampling device and method |
| CN206670958U (en) * | 2016-12-14 | 2017-11-24 | 中核四0四有限公司 | A kind of sampler for the sampling of high activity liquid waste storage tank mud layer |
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Non-Patent Citations (1)
| Title |
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