CN114084436A - Extra-high voltage transformer and high-resistance oil chromatography test oil extraction auxiliary device - Google Patents
Extra-high voltage transformer and high-resistance oil chromatography test oil extraction auxiliary device Download PDFInfo
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- CN114084436A CN114084436A CN202111358582.7A CN202111358582A CN114084436A CN 114084436 A CN114084436 A CN 114084436A CN 202111358582 A CN202111358582 A CN 202111358582A CN 114084436 A CN114084436 A CN 114084436A
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- upper portion
- oil
- annular plate
- way valve
- cart
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/54—Means for supporting containers or receptacles during the filling operation
- B65B43/60—Means for supporting containers or receptacles during the filling operation rotatable
- B65B43/62—Means for supporting containers or receptacles during the filling operation rotatable about an axis located at the filling position, e.g. the axis of the container or receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C3/24—Devices for supporting or handling bottles
Abstract
The invention discloses an extra-high voltage transformer and high oil resistance chromatographic test oil taking auxiliary device, which comprises a cart, wherein the upper part of the cart is provided with an oil taking device and a rotary storage device, the oil taking device comprises a stand column, and the lower end of the stand column is connected with the cart. After the oil is taken out for many times, the user can take off the annular plate from the cart together with a plurality of sample containers which are independently stored for each sample, and the oil taking device is convenient and fast.
Description
Technical Field
The invention relates to an oil extraction auxiliary device, in particular to an extra-high voltage transformer and high oil resistance chromatographic test oil extraction auxiliary device.
Background
With the continuous operation of an extra-high voltage transformer substation and a converter station, an oil chromatography test is always considered as an effective means for diagnosing early faults of oil-filled equipment, and can diagnose premonitory information before the faults of the oil-filled equipment by analyzing components in oil, so that the occurrence of tripping faults is avoided, and the method is very favorable for realizing state maintenance and reducing maintenance cost. In the oil chromatographic test oil extraction process, the user generally needs to independently store a sample for extracting oil for many times in application, so that the oil body can be conveniently further tested, and after the oil extraction is completed once, a new container needs to be replaced and the outlet of the three-way valve needs to be aligned, so that the operation is troublesome.
Disclosure of Invention
The invention aims to provide an extra-high voltage transformer and an oil extraction auxiliary device for a high oil resistance chromatographic test, which can be combined with an oil extraction device and a rotary storage device, and when one-time oil extraction is finished, a user can drive a new sample container to rotate to the position below an outlet of a three-way valve in a mode of rotating a ring-shaped plate, so that oil extraction and oil body storage are convenient and rapid.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an oil taking auxiliary device for an ultra-high voltage transformer and a high oil resistance chromatographic test comprises a cart, wherein an oil taking device and a rotary storage device are installed on the upper portion of the cart, the oil taking device comprises a stand column, the lower end of the stand column is connected with the cart, the upper end of the stand column is connected with a fixing plate, an injector is arranged on the upper portion of the fixing plate, a three-way valve and a control valve are connected to the upper portion of the fixing plate, the shell of the three-way valve and the shell of the control valve are connected with the fixing plate, the interface of the injector is communicated with one end of the control valve through a pipeline, the other end of the control valve is connected with one end of the three-way valve, the second port of the three-way valve is communicated with a joint through a pipeline, the rotary storage device comprises an annular plate, the bottom of the annular plate is connected with more than three universal wheels, the fixed ends of the universal wheels are matched with the annular plate, an annular groove is formed in the upper portion of the cart, and the wheels of the universal wheels can be matched with the annular groove, the upper side circumference of the annular plate is provided with a plurality of sample containers, the sample containers are of container structures with upper openings, and the upper openings of the sample containers are positioned below the third port of the three-way valve.
In order to further realize the purpose of the invention, the following technical scheme can be adopted: the universal wheels are uniformly distributed on the bottom side periphery of the annular plate.
The upper portion side of annular plate is all connected the solid fixed ring of several, and sample container is upper portion open-ended cylinder shell structure, and sample container's bottom can be with the solid fixed ring cooperation of pegging graft that corresponds.
The upper portion of fixed plate connects the pillar, and the pipe clamp is connected to the upper end of pillar, and the syringe can be carried to the pipe clamp, and the middle part cover of pillar has the lantern ring, and the lantern ring can slide on the pillar, and the layer board is connected to one side of the lantern ring, and the layer board can cooperate with the push rod tip of syringe, and the screw is seted up to the opposite side of the lantern ring, and the lantern ring passes through screw threaded connection bolt, and the bolt can be with pillar and lantern ring locking, the interface of syringe up, the upper portion installation valve of syringe, the one end of valve and the inside intercommunication of syringe.
One side of the annular plate is provided with a through groove, and the stand column can penetrate through the through groove.
Handles are connected to both ends of the annular plate.
The invention has the advantages that: according to the invention, through the combination of the oil taking device and the rotary storage device, after one-time oil taking is completed, a user can drive a new sample container to rotate to the position below the outlet of the three-way valve in a mode of rotating the annular plate, so that the oil taking is convenient and rapid, and the oil body can be conveniently and again stored. After the oil is taken out for many times, the user can take off the annular plate from the cart together with a plurality of sample containers which are independently stored for each sample, and the oil taking device is convenient and fast.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 from direction A;
fig. 3 is a schematic view of the structure of the annular plate matched with the handle.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1:
an extra-high voltage transformer and high oil resistance chromatographic test oil extraction auxiliary device, as shown in figures 1-3, comprises a cart 12, an oil extraction device and a rotary storage device are mounted on the upper portion of the cart 12, the oil extraction device comprises an upright column 17, the lower end of the upright column 17 is connected with the cart 12, the upper end of the upright column 17 is connected with a fixed plate 6, the upper portion of the fixed plate 6 is provided with an injector 2, the upper portion of the fixed plate 6 is connected with a three-way valve 5 and a control valve 4, the shell of the three-way valve 5 and the shell of the control valve 4 are connected with the fixed plate 6, the interface of the injector 2 is communicated with one end of the control valve 4 through a pipeline, the other end of the control valve 4 is connected with one end of the three-way valve 5, the second port of the three-way valve 5 is communicated with a joint 3 through a pipeline, the rotary storage device comprises an annular plate 9, the bottom of the annular plate 9 is connected with more than three universal wheels 10, the fixed ends of the universal wheels 10 are matched with the annular plate 9, an annular groove 11 is formed in the upper portion of the trolley 12, wheels of the universal wheels 10 can be matched with the annular groove 11, a plurality of sample containers 7 are arranged on the periphery of the side of the upper portion of the annular plate 9, the sample containers 7 are of a container structure with an upper opening, and the upper opening of each sample container 7 is located below the third port of the three-way valve 5.
According to the invention, through the combination of the oil taking device and the rotary storage device, after one-time oil taking is finished, a user can drive the new sample container 7 to rotate to the position below the outlet of the three-way valve 5 in a mode of rotating the annular plate 9, so that the oil taking is convenient again and the oil body is convenient and rapid to store. After the oil is taken out for many times, the user can take the annular plate 9 with a plurality of sample containers 7 which are independently stored for each sample and take the annular plate off the cart 12, which is convenient and fast.
Material selection and feasibility analysis of specific implementation of application range: the practical manufactured sample is implemented by taking the specification attached drawing as a drawing according to the proportion and the matching mode of each part in the specification attached drawing, the connection is a common connection mode such as a connection of a strong adhesive, a welding, riveting and a flange connection and an integral forming type connection, and the thickness and the strength of a corresponding connection mode connection point can be selected without creativity according to the requirement of practical connection strength during practical manufacturing. When getting oil, earlier switch over three way valve 5 to the middle part and seal, both sides conducting state, will connect 3 butt joint oil-outs, then the oil body is through connecting 3, three way valve 5, control valve 4 gets into the inside of syringe 2, operating personnel observes the record back to the inside oil of syringe 2, switch over three way valve 5 to the interface that docks with connecting 3 and seal, middle part interface and control valve 4 conducting state, then bulldoze the push rod of syringe 2, let the inside oil of syringe 2 pass through control valve 4, inside the sample container 7 that three way valve 5 fell into the below, accomplish first getting oil. When oil is taken for the second time, the ring-shaped plate 9 can be rotated, so that the new sample container 7 is rotated to the lower part of the middle interface of the three-way valve 5, and the oil is taken for the second time.
Example 2:
an extra-high voltage transformer and high oil resistance chromatographic test oil extraction auxiliary device, as shown in figures 1-3, comprises a cart 12, an oil extraction device and a rotary storage device are mounted on the upper portion of the cart 12, the oil extraction device comprises an upright column 17, the lower end of the upright column 17 is connected with the cart 12, the upper end of the upright column 17 is connected with a fixed plate 6, the upper portion of the fixed plate 6 is provided with an injector 2, the upper portion of the fixed plate 6 is connected with a three-way valve 5 and a control valve 4, the shell of the three-way valve 5 and the shell of the control valve 4 are connected with the fixed plate 6, the interface of the injector 2 is communicated with one end of the control valve 4 through a pipeline, the other end of the control valve 4 is connected with one end of the three-way valve 5, the second port of the three-way valve 5 is communicated with a joint 3 through a pipeline, the rotary storage device comprises an annular plate 9, the bottom of the annular plate 9 is connected with more than three universal wheels 10, the fixed ends of the universal wheels 10 are matched with the annular plate 9, an annular groove 11 is formed in the upper portion of the trolley 12, wheels of the universal wheels 10 can be matched with the annular groove 11, a plurality of sample containers 7 are arranged on the periphery of the side of the upper portion of the annular plate 9, the sample containers 7 are of a container structure with an upper opening, and the upper opening of each sample container 7 is located below the third port of the three-way valve 5.
The three or more universal wheels 10 are uniformly distributed on the bottom side periphery of the annular plate 9.
The more than three universal wheels 10 of the invention are evenly distributed on the bottom side circumference of the annular plate 9, thus improving the stability of the rotation of the annular plate 9.
Example 3:
an extra-high voltage transformer and high oil resistance chromatographic test oil extraction auxiliary device, as shown in figures 1-3, comprises a cart 12, an oil extraction device and a rotary storage device are mounted on the upper portion of the cart 12, the oil extraction device comprises an upright column 17, the lower end of the upright column 17 is connected with the cart 12, the upper end of the upright column 17 is connected with a fixed plate 6, the upper portion of the fixed plate 6 is provided with an injector 2, the upper portion of the fixed plate 6 is connected with a three-way valve 5 and a control valve 4, the shell of the three-way valve 5 and the shell of the control valve 4 are connected with the fixed plate 6, the interface of the injector 2 is communicated with one end of the control valve 4 through a pipeline, the other end of the control valve 4 is connected with one end of the three-way valve 5, the second port of the three-way valve 5 is communicated with a joint 3 through a pipeline, the rotary storage device comprises an annular plate 9, the bottom of the annular plate 9 is connected with more than three universal wheels 10, the fixed ends of the universal wheels 10 are matched with the annular plate 9, an annular groove 11 is formed in the upper portion of the trolley 12, wheels of the universal wheels 10 can be matched with the annular groove 11, a plurality of sample containers 7 are arranged on the periphery of the side of the upper portion of the annular plate 9, the sample containers 7 are of a container structure with an upper opening, and the upper opening of each sample container 7 is located below the third port of the three-way valve 5.
The upper portion side of annular plate 9 is all connected a plurality of solid fixed ring 8, and sample container 7 is upper portion open-ended cylinder shell structure, and sample container 7's bottom can be pegged graft with corresponding solid fixed ring 8 and cooperate.
The fixing ring 8 of the present invention can improve the stability of the sample container 7 in cooperation with the annular plate 9, and prevent the sample container 7 from easily falling.
Example 4:
an extra-high voltage transformer and high oil resistance chromatographic test oil extraction auxiliary device, as shown in figures 1-3, comprises a cart 12, an oil extraction device and a rotary storage device are mounted on the upper portion of the cart 12, the oil extraction device comprises an upright column 17, the lower end of the upright column 17 is connected with the cart 12, the upper end of the upright column 17 is connected with a fixed plate 6, the upper portion of the fixed plate 6 is provided with an injector 2, the upper portion of the fixed plate 6 is connected with a three-way valve 5 and a control valve 4, the shell of the three-way valve 5 and the shell of the control valve 4 are connected with the fixed plate 6, the interface of the injector 2 is communicated with one end of the control valve 4 through a pipeline, the other end of the control valve 4 is connected with one end of the three-way valve 5, the second port of the three-way valve 5 is communicated with a joint 3 through a pipeline, the rotary storage device comprises an annular plate 9, the bottom of the annular plate 9 is connected with more than three universal wheels 10, the fixed ends of the universal wheels 10 are matched with the annular plate 9, an annular groove 11 is formed in the upper portion of the trolley 12, wheels of the universal wheels 10 can be matched with the annular groove 11, a plurality of sample containers 7 are arranged on the periphery of the side of the upper portion of the annular plate 9, the sample containers 7 are of a container structure with an upper opening, and the upper opening of each sample container 7 is located below the third port of the three-way valve 5. Pillar 13 is connected to the upper portion of fixed plate 6, pipe clamp 16 is connected to the upper end of pillar 13, syringe 2 can be cliied to pipe clamp 16, the middle part cover of pillar 13 has lantern ring 15, lantern ring 15 can slide on pillar 13, layer board 14 is connected to one side of lantern ring 15, layer board 14 can cooperate with the push rod tip of syringe 2, the screw is seted up to the opposite side of lantern ring 15, lantern ring 15 passes through screw threaded connection bolt 19, bolt 19 can be with pillar 13 and lantern ring 15 locking, the interface of syringe 2 faces up, valve 1 is installed on the upper portion of syringe 2, the one end of valve 1 communicates with the inside of syringe 2.
The pillar 13 is matched with the pipe clamp 16, so that the injector 2 can be vertically arranged upwards, and therefore when gas is accumulated in the injector 2 in the sampling process of the injector 2, the gas is conveniently concentrated on the upper part of the injector 2, a user can conveniently discharge the gas in the injector 2 in a mode of opening the valve 1, and the accuracy of the sampling volume is improved.
Example 5:
an extra-high voltage transformer and high oil resistance chromatographic test oil extraction auxiliary device, as shown in figures 1-3, comprises a cart 12, an oil extraction device and a rotary storage device are mounted on the upper portion of the cart 12, the oil extraction device comprises an upright column 17, the lower end of the upright column 17 is connected with the cart 12, the upper end of the upright column 17 is connected with a fixed plate 6, the upper portion of the fixed plate 6 is provided with an injector 2, the upper portion of the fixed plate 6 is connected with a three-way valve 5 and a control valve 4, the shell of the three-way valve 5 and the shell of the control valve 4 are connected with the fixed plate 6, the interface of the injector 2 is communicated with one end of the control valve 4 through a pipeline, the other end of the control valve 4 is connected with one end of the three-way valve 5, the second port of the three-way valve 5 is communicated with a joint 3 through a pipeline, the rotary storage device comprises an annular plate 9, the bottom of the annular plate 9 is connected with more than three universal wheels 10, the fixed ends of the universal wheels 10 are matched with the annular plate 9, an annular groove 11 is formed in the upper portion of the trolley 12, wheels of the universal wheels 10 can be matched with the annular groove 11, a plurality of sample containers 7 are arranged on the periphery of the side of the upper portion of the annular plate 9, the sample containers 7 are of a container structure with an upper opening, and the upper opening of each sample container 7 is located below the third port of the three-way valve 5.
One side of the annular plate 9 is provided with a through groove 18, and the upright post 17 can penetrate through the through groove 18.
According to the penetrating groove 18, when a plurality of sample containers 7 need to be taken down together, a single sample container 7 does not need to be taken down manually, the annular plate 9 only needs to be lifted manually to enable the universal wheel 10 to be disengaged from the annular groove 11, then the annular plate 9 is translated manually to enable the upright post 17 to be disengaged from the penetrating groove 18, and therefore the annular plate 9 can be taken down together with the sample containers 7, and the efficiency of unloading the plurality of sample containers 7 is improved.
Example 6:
an extra-high voltage transformer and high oil resistance chromatographic test oil extraction auxiliary device, as shown in figures 1-3, comprises a cart 12, an oil extraction device and a rotary storage device are mounted on the upper portion of the cart 12, the oil extraction device comprises an upright column 17, the lower end of the upright column 17 is connected with the cart 12, the upper end of the upright column 17 is connected with a fixed plate 6, the upper portion of the fixed plate 6 is provided with an injector 2, the upper portion of the fixed plate 6 is connected with a three-way valve 5 and a control valve 4, the shell of the three-way valve 5 and the shell of the control valve 4 are connected with the fixed plate 6, the interface of the injector 2 is communicated with one end of the control valve 4 through a pipeline, the other end of the control valve 4 is connected with one end of the three-way valve 5, the second port of the three-way valve 5 is communicated with a joint 3 through a pipeline, the rotary storage device comprises an annular plate 9, the bottom of the annular plate 9 is connected with more than three universal wheels 10, the fixed ends of the universal wheels 10 are matched with the annular plate 9, an annular groove 11 is formed in the upper portion of the trolley 12, wheels of the universal wheels 10 can be matched with the annular groove 11, a plurality of sample containers 7 are arranged on the periphery of the side of the upper portion of the annular plate 9, the sample containers 7 are of a container structure with an upper opening, and the upper opening of each sample container 7 is located below the third port of the three-way valve 5. Handles 20 are connected to both ends of the annular plate 9.
The handle 20 of the present invention can facilitate a user to rotate the annular plate 9.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention.
Claims (4)
1. The utility model provides an extra-high voltage transformer and high anti oil chromatography test auxiliary device that fetches oil which characterized in that: comprises a cart (12), an oil taking device and a rotary storage device are installed on the upper part of the cart (12), the oil taking device comprises an upright post (17), the lower end of the upright post (17) is connected with the cart (12), a fixing plate (6) is connected with the upper end of the upright post (17), an injector (2) is arranged on the upper part of the fixing plate (6), a three-way valve (5) and a control valve (4) are connected with the upper part of the fixing plate (6), the shell of the three-way valve (5) and the shell of the control valve (4) are connected with the fixing plate (6), the interface of the injector (2) is communicated with one end of the control valve (4) through a pipeline, the other end of the control valve (4) is connected with one end of the three-way valve (5), the second port of the three-way valve (5) is communicated with a connector (3) through a pipeline, the rotary storage device comprises an annular plate (9), the bottom of the annular plate (9) is connected with more than three universal wheels (10), the stiff end and the cooperation of annular plate (9) of universal wheel (10), ring channel (11) are seted up on the upper portion of shallow (12), and the wheel of universal wheel (10) can cooperate with ring channel (11), and the upper portion side week of annular plate (9) sets up several sample container (7), and sample container (7) are upper portion open-ended containment structure, and the upper portion opening of sample container (7) is located three port below of three-way valve (5), open groove (18) are seted up to one side of annular plate (9), and open groove (18) can be passed in stand (17), universal wheel (10) evenly distributed is all around the bottom side of annular plate (9) more than three.
2. The extra-high voltage transformer and high-resistance oil chromatography test oil extraction auxiliary device according to claim 1, characterized in that: the upper portion side of annular plate (9) is all connected fixed ring (8) of several, and sample container (7) are upper portion open-ended cylinder shell structure, and the bottom of sample container (7) can be pegged graft the cooperation with fixed ring (8) that correspond.
3. The extra-high voltage transformer and high-resistance oil chromatography test oil extraction auxiliary device according to claim 1, characterized in that: pillar (13) is connected on the upper portion of fixed plate (6), pipe clamp (16) is connected to the upper end of pillar (13), syringe (2) can be cliied in pipe clamp (16), the middle part cover of pillar (13) has lantern ring (15), lantern ring (15) can slide on pillar (13), layer board (14) is connected to one side of lantern ring (15), layer board (14) can cooperate with the push rod tip of syringe (2), the screw is seted up to the opposite side of lantern ring (15), lantern ring (15) are through screw threaded connection bolt (19), bolt (19) can be with pillar (13) and lantern ring (15) locking, the interface of syringe (2) is up, upper portion installation valve (1) of syringe (2), the one end of valve (1) and the inside intercommunication of syringe (2).
4. The extra-high voltage transformer and high-resistance oil chromatography test oil extraction auxiliary device according to claim 1, characterized in that: both ends of the annular plate (9) are connected with handles (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111358582.7A CN114084436B (en) | 2021-11-16 | 2021-11-16 | Extra-high voltage transformer and oil extraction auxiliary device for high-oil-resistance chromatographic test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111358582.7A CN114084436B (en) | 2021-11-16 | 2021-11-16 | Extra-high voltage transformer and oil extraction auxiliary device for high-oil-resistance chromatographic test |
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| Publication Number | Publication Date |
|---|---|
| CN114084436A true CN114084436A (en) | 2022-02-25 |
| CN114084436B CN114084436B (en) | 2023-06-30 |
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| CN202111358582.7A Active CN114084436B (en) | 2021-11-16 | 2021-11-16 | Extra-high voltage transformer and oil extraction auxiliary device for high-oil-resistance chromatographic test |
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| CN210547414U (en) * | 2019-05-24 | 2020-05-19 | 昆山鸿永峻精密五金电子科技有限公司 | Rotary continuous stamping die |
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| CN212432645U (en) * | 2020-04-13 | 2021-01-29 | 河南省科学院同位素研究所有限责任公司 | Rapid sampling system in polysulfone chloromethylation reaction process |
| CN112964505A (en) * | 2021-02-09 | 2021-06-15 | 黄锦华 | Body fluid collecting and inspecting device for inspection department |
| CN214336511U (en) * | 2021-01-29 | 2021-10-01 | 国网河南省电力公司电力科学研究院 | Oil taking device suitable for oil-immersed transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050137500A1 (en) * | 2003-12-23 | 2005-06-23 | Vance Products Incorporated D/B/A Cook Urological Incorporated | Rotatable sampling apparatus |
| CN203164020U (en) * | 2013-04-15 | 2013-08-28 | 国家电网公司 | Oil extraction device of high-voltage transformer |
| CN205076400U (en) * | 2015-10-29 | 2016-03-09 | 昆山吉展工业自动化有限公司 | Station dial material feeding unit |
| CN105842007A (en) * | 2016-05-18 | 2016-08-10 | 中国北方发动机研究所(天津) | On-line automatic sampling device for lubrication oil of engine test bench |
| CN107522154A (en) * | 2017-09-27 | 2017-12-29 | 成都灵感元素科技有限公司 | A kind of quantitative taking equipment of anti-buildup of resin |
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| CN210547414U (en) * | 2019-05-24 | 2020-05-19 | 昆山鸿永峻精密五金电子科技有限公司 | Rotary continuous stamping die |
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| CN112964505A (en) * | 2021-02-09 | 2021-06-15 | 黄锦华 | Body fluid collecting and inspecting device for inspection department |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114084436B (en) | 2023-06-30 |
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