CN109000988B - Suction cylinder of oil tank sampler - Google Patents
Suction cylinder of oil tank sampler Download PDFInfo
- Publication number
- CN109000988B CN109000988B CN201811118410.0A CN201811118410A CN109000988B CN 109000988 B CN109000988 B CN 109000988B CN 201811118410 A CN201811118410 A CN 201811118410A CN 109000988 B CN109000988 B CN 109000988B
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- China
- Prior art keywords
- pull rod
- pipe
- suction cylinder
- rod
- push
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007788 liquid Substances 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 241001330002 Bambuseae Species 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a suction cylinder of oil tank sampler, relates to a sampling device, and pull rod (5) are in pipe (6), are equipped with the control mechanism that controls the pull rod up-and-down motion in the upper end of pipe, and the upper mouth outer fringe of suction cylinder (15) is connected with the lower extreme of pipe, wears the upper end of push-and-pull rod (10) in the pull rod lower extreme connection push-and-pull rod in pipe, and the lower extreme of push-and-pull rod in the suction cylinder is equipped with piston (31), the lower extreme of suction cylinder is equipped with tubaeform end plate (24), and tubaeform end plate is connected to cone reducing section of thick bamboo (17) upper end, and ball (26) that set up in cone hole (25) of cone reducing section of thick bamboo forms the check valve, the lower part of ball is equipped with the drain rod (27) that the length exceeded the cone hole; an air bag is arranged at the outer lower part of the suction cylinder; the invention uses the length of the pipe to extend into the oil tank, and the pull rod is controlled by the lifting rod to rapidly sample the suction cylinder.
Description
[ Field of technology ]
The invention relates to a sampling device, in particular to a suction barrel of an oil tank sampler.
[ Background Art ]
As known, metal oil tanks are mostly used for storing and depositing various oil products, and the diameter of the oil tank is between twenty centimeters and fifty centimeters because the mouth at the upper part of the oil tank is usually smaller, so that people are inconvenient to enter and the oil products are polluted; the oil tank for placing the oil product is in a closed state for a long time, so that a person can hardly lie on the upper part of the oil tank to observe the state in the mouth during sampling, and the oil product stored for a long time emits large volatile matters, so that the person can hardly access the oil tank; and because of the explosion proof requirement, the observation can not be performed by using the illumination object, so that each sampling is very difficult.
[ Invention ]
In order to overcome the defects in the background technology, the invention discloses a suction barrel of an oil tank sampler, the length of a pipe can be used for penetrating into an oil tank, and a pull rod is controlled by a lifting rod to enable the suction barrel to sample rapidly.
The technical scheme for realizing the invention is as follows:
The suction barrel of the oil tank sampler comprises a control mechanism, a pull rod, a pipe, a suction barrel, a push-pull rod, a piston, a ball and a liquid discharge rod, wherein the pull rod is arranged in the pipe, the upper end of the pipe is provided with the control mechanism for controlling the pull rod to move up and down, the outer edge of the upper opening of the suction barrel is externally connected with the lower opening of the pipe, the lower end of the pull rod penetrating through the pipe is connected with the upper end of the push-pull rod, the piston is arranged at the lower end of the push-pull rod in the suction barrel, the lower opening of the suction barrel is provided with a trumpet-shaped end plate, the upper end of the conical reducing barrel is connected with the trumpet-shaped end plate, the ball arranged in the conical hole of the conical reducing barrel forms a one-way valve, and the lower part of the ball is provided with the liquid discharge rod with the length exceeding the conical hole; an air bag is arranged at the outer lower part of the suction cylinder.
The suction tube of the oil tank sampler is provided with a reduced diameter end tube at the lower end of the conical reduced diameter tube, the upper part of the liquid discharging rod is positioned in the hole of the end tube, and the upper end of the liquid discharging rod is fixedly connected with the lower surface of the ball through welding.
The suction tube of the oil tank sampler is provided with a return hook at the lower part of the liquid discharge rod, the bending end of the return hook is positioned at one side of the end tube, and a horizontal rod is arranged at the bending end of the return hook.
The oil tank sampler's suction tube be equipped with short horizontal pole respectively in the lower extreme both sides of pipe, the outer end lower part of two short horizontal poles is equipped with the pole setting respectively, the pole setting lower extreme outside is equipped with the horizontal plate respectively, two horizontal plates pass through the connecting plate of screwed connection suction tube upper end both sides respectively.
The oil tank sampler's suction tube, be equipped with the external screw thread at the upper end outer fringe of suction tube, the internal thread that the lid lower extreme inner wall set up is connected the external screw thread of suction tube, the upper portion board middle part of lid is equipped with the middle part hole, push-and-pull rod upper portion wears in the middle part hole, two connecting plates set up in the upper portion both sides of lid respectively.
The oil tank sampler's a suction section of thick bamboo, be equipped with the rubber circle in the middle part of piston, the outer fringe face of rubber circle is interference fit with the cavity inside of a suction section of thick bamboo.
The air bag is an annular air bag, and a sleeve hole in the middle of the annular air bag is sleeved on the outer edge surface of the lower end of the suction barrel.
The oil tank sampler's a suction section of thick bamboo, control mechanism include annular handle, lifting lever and pull rod, annular handle's lower extreme middle part and the upper end fixed connection of pipe, the lifting lever is in annular handle, the upper end of pull rod is equipped with the perforation, the sunken parcel of U-shaped adapter sleeve the middle part of lifting lever, the both ends portion centre gripping of U-shaped adapter sleeve is in pull rod upper end both sides, the pin middle part is in the perforation that the pull rod is close to the upper end, after the pin both ends pass the hole at U-shaped adapter sleeve both ends the both ends of pin are equipped with the expanding nut.
The oil tank sampler's a suction tube, another replacement structure that pull rod and lifting lever are connected, the upper end of pull rod passes through welded connection at the lower part face middle part of lifting lever.
The oil tank sampler is characterized in that the lower end of the pull rod is provided with a connecting sleeve, the two side walls of the connecting sleeve are respectively provided with a connecting hole, the upper end of the push-pull rod is provided with a connecting hole, the upper end of the push-pull rod penetrates through the connecting sleeve, and the connecting holes of the push-pull rod and the connecting sleeve are connected in series by another pin.
Through the above disclosure, the beneficial effects of the invention are:
When the suction tube of the oil tank sampler is used, the length of the tube penetrates into the oil tank, when the lower end of the suction tube reaches the oil level, an operator can feel that the oil tank sampler is pulled up by using the lifting rod, the lifting rod drives the push-pull rod and the piston to enable an oil sample to enter the suction tube, when the lifting rod is stopped being pulled by a hand, the ball closes the conical hole of the conical diameter reduction tube under the action of dead weight, the lifted oil tank sampler can face the container, and the liquid discharging rod pushes the ball to ascend after touching the container to obtain the opening of the conical hole and the inflow of the oil sample; the invention has a small structure, is favorable for popularization and can effectively reduce the inconvenience of sampling the oil tank.
[ Description of the drawings ]
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the suction cylinder and the lower ejector B with the cover of the present invention;
FIG. 3 is a schematic illustration of the piston structure of the present invention;
FIG. 4 is a schematic view of the annular air bag structure of the present invention;
FIG. 5 is a schematic view of the connecting structure of the lifting rod and the pull rod of the present invention;
In the figure: 1. an annular handle; 2. a lifting rod; 3. a U-shaped connecting sleeve; 4. a pin; 5. a pull rod; 6. a tube; 7. a short horizontal bar; 8. a vertical rod; 9. a connection sleeve; 10. a push-pull rod; 11. a horizontal plate; 12. a connecting plate; 13. a screw; 14. a cover; 15. a suction cylinder; 16. an annular air bag; 17. a conical diameter-reducing cylinder; 18. an end pipe; 19. a hole; 20. a middle hole; 21. an internal thread; 22. an external thread; 23. a cavity; 24. a trumpet-shaped end plate; 25. a tapered bore; 26. a ball; 27. a liquid discharging rod; 28. a hook is returned; 29. a horizontal bar; 30. a connection hole; 31. a piston; 32. a rubber ring; 33. trepanning; 34. and (5) perforating.
[ Detailed description ] of the invention
The invention is further illustrated below with reference to examples; the following examples are not intended to limit the invention, but merely as a means for supporting the practice of the invention, and any equivalent structural substitutions within the technical framework of the invention disclosed herein are intended to be within the scope of the invention;
the suction cylinder of the oil tank sampler described in connection with fig. 1-5 comprises a control mechanism, a pull rod 5, a pipe 6, a suction cylinder 15, a push-pull rod 10, a piston 31, a ball 26 and a liquid discharge rod 27, wherein the pull rod 5 is positioned in the pipe 6, the upper end of the pipe 6 is provided with the control mechanism for controlling the pull rod 5 to move up and down, the outer edge of the upper opening of the suction cylinder 15 is connected with the outer part of the lower opening of the pipe 6, the lower end of the pull rod 5 penetrating through the pipe 6 is connected with the upper end of the push-pull rod 10, the lower end of the push-pull rod 10 positioned in the suction cylinder 15 is provided with a piston 31, the middle part of the piston 31 is provided with a rubber ring 32, the outer edge surface of the rubber ring 32 is in interference fit with the cavity 23 of the suction cylinder 15, the lower opening of the suction cylinder 15 is provided with a trumpet-shaped end plate 24, the upper end of the conical reducing cylinder 17 is connected with the trumpet-shaped end plate 24, the ball 26 arranged in the conical hole 25 of the conical reducing cylinder 17 forms a one-way valve, the lower end pipe 18 of the conical reducing cylinder 17 is arranged at the lower end of the conical reducing cylinder 17, the upper end of the liquid discharge rod 27 is positioned at the lower end of the pipe 27 is positioned at the position of the pipe 27 and is positioned at the lower end of the hook 28 and is positioned at the lower end 28 and is positioned at the position at the lower end of the hook 28; an air bag is arranged at the outer lower part of the suction cylinder 15, the air bag is an annular air bag 16, and a sleeve hole 33 at the middle part of the annular air bag 16 is sleeved on the outer edge surface of the lower end of the suction cylinder 15.
With reference to fig. 1 and 2, an external thread 22 is arranged at the outer edge of the upper end of the suction cylinder 15, an internal thread 21 arranged on the inner wall of the lower opening of the cover 14 is connected with the external thread 22 of the suction cylinder 15, a middle hole 20 is arranged in the middle of the upper plate of the cover 14, the upper part of the push-pull rod 10 penetrates through the middle hole 20, two connecting plates 12 are respectively arranged at two sides of the upper part of the cover 14, short horizontal rods 7 are respectively arranged at two sides of the lower end of the pipe 6, vertical rods 8 are respectively arranged at the lower parts of the outer ends of the two short horizontal rods 7, horizontal plates 11 are respectively arranged at the outer sides of the lower ends of the vertical rods 8, and the two horizontal plates 11 are respectively connected with the connecting plates 12 at two sides of the cover 14 through screws 13.
Referring to fig. 1 or 5, the control mechanism comprises an annular handle 1, a lifting rod 2 and a pull rod 5, wherein the middle part of the lower end of the annular handle 1 is fixedly connected with the upper end of a pipe 6, the lifting rod 2 is positioned in the annular handle 1, the upper end of the pull rod 5 is provided with a through hole 34, the middle part of the lifting rod 2 is wrapped by a dent of a U-shaped connecting sleeve 3, two end parts of the U-shaped connecting sleeve 3 are clamped at two sides of the upper end of the pull rod 5, the middle part of a pin 4 is positioned in the through hole 34 of the pull rod 5 close to the upper end, and two ends of the pin 4 are provided with diameter-enlarging pin caps after passing through holes at two ends of the U-shaped connecting sleeve 3; another alternative structure that pull rod 5 and lifting rod 2 are connected, the upper end of pull rod 5 passes through welded connection at the lower part face middle part of lifting rod 2.
With reference to fig. 1 and 3, a connecting sleeve 9 is arranged at the lower end of the pull rod 5, connecting holes 30 are respectively arranged on two side walls of the connecting sleeve 9, a connecting hole 30 is arranged at the upper end of the push-pull rod 10, the upper end of the push-pull rod 10 penetrates through the connecting sleeve 9, and another pin is connected with the push-pull rod 10 and the connecting hole 30 of the connecting sleeve 9 in series.
The suction tube of the oil tank sampler provided by the invention is installed as follows:
Referring to fig. 1 to 5, firstly, a ball 26 and a stainless steel wire are welded to form a liquid discharge rod 27, then the liquid discharge rod 27 is downwards placed into a suction cylinder 15, the liquid discharge rod 27 and the ball 26 respectively enter an end pipe 18 and a conical reducing cylinder 17, the lower part of the liquid discharge rod 27 is bent by pliers to form a return hook 28, and then the end of the liquid discharge rod 27 is not bent to form a horizontal rod 29; the suction cylinder 15 is internally provided with a piston 31, a push-pull rod 10 of the piston 31 is placed in a middle hole 20 of the cover 14, then an internal thread 21 of the cover 14 is connected with an external thread 22 of the suction cylinder 15, two connecting plates 12 of the cover 14 are in butt joint with two horizontal plates 11 at the lower part of the pipe 6, and two screws 13 are used for penetrating holes 19 of the two connecting plates 12 of the cover 14 and holes of the horizontal plates 11 respectively and then are locked by nuts; at this time, the push-pull rod 10 is connected with the lower end of the pull rod 5 by using the interval formed between the two upright rods 8, and then the upper end of the pull rod 5 is connected with the lifting rod 2 by using the U-shaped connecting sleeve 3 and the pin 4.
When the oil sampling device is used, firstly, the lifting rod 2 is pressed down, then the annular handle 1 is held, the suction cylinder 15 is conveyed into the upper part of an oil product of the oil tank, after the conical diameter reduction cylinder 17 enters the oil product, the annular air bag 16 contacts the oil product to form resistance, an operator stops probing down and starts to pull the lifting rod 2 up after sensing, when the required amount is reached, the lifting rod 2 stops pulling up, at the moment, the ball 26 is subjected to dead weight to seal the conical hole 25 of the conical diameter reduction cylinder 17, then the oil sampling device is taken out, the end pipe 18 is inserted into a container opening, the horizontal rod 29 of the liquid discharging rod 27 is supported on the container opening, the ball 26 is pushed to ascend by the liquid discharging rod 27, and the opening of the conical hole 25 and the inflow of an oil sample into the container are obtained to finish the sampling operation.
The invention is not described in detail in the prior art.
Claims (7)
1. The utility model provides a suction cylinder of oil tank sampler, includes control mechanism, pull rod (5), pipe (6), suction cylinder (15), push-and-pull rod (10), piston (31), ball (26) and drain pole (27), characterized by: the pull rod (5) is positioned in the pipe (6), a control mechanism for controlling the pull rod (5) to move up and down is arranged at the upper end of the pipe (6), the outer edge of the upper opening of the suction cylinder (15) is externally connected with the lower opening of the pipe (6), the lower end of the pull rod (5) penetrating through the pipe (6) is connected with the upper end of the push-pull rod (10), a piston (31) is arranged at the lower end of the push-pull rod (10) positioned in the suction cylinder (15), a trumpet-shaped end plate (24) is arranged at the lower opening of the suction cylinder (15), the upper end of the conical reducing cylinder (17) is connected with the trumpet-shaped end plate (24), a one-way valve is formed by a ball (26) arranged in a conical hole (25) of the conical reducing cylinder (17), and a liquid discharging rod (27) with the length exceeding the conical hole (25) is arranged at the lower part of the ball (26); an air bag is arranged at the outer lower part of the suction cylinder (15);
the lower end of the conical diameter-reducing cylinder (17) is provided with a diameter-reducing end pipe (18), the upper part of the liquid discharging rod (27) is positioned in a hole of the end pipe (18), and the upper end of the liquid discharging rod (27) is fixedly connected with the lower surface of the ball (26) through welding;
a return hook (28) is arranged at the lower part of the liquid discharge rod (27), the bending end of the return hook (28) is positioned at one side of the end pipe (18), and a horizontal rod (29) is arranged at the bending end of the return hook (28);
Short horizontal rods (7) are respectively arranged on two sides of the lower end of the pipe (6), vertical rods (8) are respectively arranged on the lower parts of the outer ends of the two short horizontal rods (7), horizontal plates (11) are respectively arranged on the outer sides of the lower ends of the vertical rods (8), and the two horizontal plates (11) are respectively connected with connecting plates (12) on two sides of the upper end of the suction cylinder (15) through screws (13).
2. The aspiration cartridge of the tank sampler of claim 1 wherein: the outer edge of the upper end of the suction cylinder (15) is provided with an external thread (22), an internal thread (21) arranged on the inner wall of the lower opening of the cover (14) is connected with the external thread (22) of the suction cylinder (15), the middle part of the upper plate of the cover (14) is provided with a middle hole (20), the upper part of the push-pull rod (10) is penetrated in the middle hole (20), and two connecting plates (12) are respectively arranged on two sides of the upper part of the cover (14).
3. The aspiration cartridge of the tank sampler of claim 1 wherein: a rubber ring (32) is arranged in the middle of the piston (31), and the outer edge surface of the rubber ring (32) is in interference fit with the inside of the cavity (23) of the suction cylinder (15).
4. The aspiration cartridge of the tank sampler of claim 1 wherein: the air bag is an annular air bag (16), and a sleeve hole (33) in the middle of the annular air bag (16) is sleeved on the outer edge surface of the lower end of the suction cylinder (15).
5. The aspiration cartridge of the tank sampler of claim 1 wherein: the control mechanism comprises an annular handle (1), a lifting rod (2) and a pull rod (5), wherein the middle part of the lower end of the annular handle (1) is fixedly connected with the upper end of a pipe (6), the lifting rod (2) is arranged in the annular handle (1), a perforation (34) is arranged at the upper end of the pull rod (5), the middle part of the lifting rod (2) is wrapped by a U-shaped connecting sleeve (3) in a concave manner, the two ends of the U-shaped connecting sleeve (3) are clamped at the two sides of the upper end of the pull rod (5), the middle part of a pin (4) is arranged in the perforation (34) of the pull rod (5) close to the upper end, and the two ends of the pin (4) penetrate through holes at the two ends of the U-shaped connecting sleeve (3) and then the diameter-enlarging pin caps are arranged at the two ends of the pin (4).
6. The aspiration cartridge of the tank sampler of claim 5 wherein: the pull rod (5) is connected with the lifting rod (2) in another alternative structure, and the upper end of the pull rod (5) is connected with the middle part of the lower surface of the lifting rod (2) through welding.
7. The aspiration cartridge of the tank sampler of claim 1 wherein: the lower extreme at pull rod (5) is equipped with adapter sleeve (9), be equipped with connecting hole (30) on the both sides wall of adapter sleeve (9) respectively, the upper end of push-and-pull rod (10) is equipped with connecting hole (30), and the upper end of push-and-pull rod (10) wears in adapter sleeve (9), concatenates connecting hole (30) of push-and-pull rod (10) and adapter sleeve (9) by another pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811118410.0A CN109000988B (en) | 2018-09-26 | 2018-09-26 | Suction cylinder of oil tank sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811118410.0A CN109000988B (en) | 2018-09-26 | 2018-09-26 | Suction cylinder of oil tank sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109000988A CN109000988A (en) | 2018-12-14 |
| CN109000988B true CN109000988B (en) | 2024-05-28 |
Family
ID=64589253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811118410.0A Active CN109000988B (en) | 2018-09-26 | 2018-09-26 | Suction cylinder of oil tank sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109000988B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849670B (en) * | 2019-11-21 | 2021-06-08 | 贵州长顺八妹农副产品开发有限公司 | Rapeseed oil detection system and detection method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH287342A (en) * | 1951-03-01 | 1952-11-30 | Seiler Rudolf | Oil can with pump. |
| US4216782A (en) * | 1977-02-15 | 1980-08-12 | Sarstedt W | Device for the extraction of blood |
| US4573970A (en) * | 1974-11-19 | 1986-03-04 | Wolfgang Wagner | Suction injector |
| CN204328417U (en) * | 2014-12-02 | 2015-05-13 | 扬州市华能太阳能有限公司 | Smooth formula driven high voltage profit oil addition machine |
| CN204752171U (en) * | 2015-05-27 | 2015-11-11 | 江西科比润滑油制品有限公司 | Simple and easy liquid filling machine of lubricating oil |
| CN105445060A (en) * | 2015-11-30 | 2016-03-30 | 国网河南偃师市供电公司 | Automatic vacuum oil sample taking container for electric high-voltage oil-filled transformer |
| CN107349491A (en) * | 2017-07-06 | 2017-11-17 | 丽水市知科科技有限公司 | A kind of accurate fixed-quantity injector |
| CN108120619A (en) * | 2016-11-29 | 2018-06-05 | 上海宝钢化工有限公司 | Closed sampler and high-temperature smokeless sampling method |
| CN208921495U (en) * | 2018-09-26 | 2019-05-31 | 河南中托力合化学有限公司 | A kind of suction cylinder of oil tank sampler |
-
2018
- 2018-09-26 CN CN201811118410.0A patent/CN109000988B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH287342A (en) * | 1951-03-01 | 1952-11-30 | Seiler Rudolf | Oil can with pump. |
| US4573970A (en) * | 1974-11-19 | 1986-03-04 | Wolfgang Wagner | Suction injector |
| US4216782A (en) * | 1977-02-15 | 1980-08-12 | Sarstedt W | Device for the extraction of blood |
| CN204328417U (en) * | 2014-12-02 | 2015-05-13 | 扬州市华能太阳能有限公司 | Smooth formula driven high voltage profit oil addition machine |
| CN204752171U (en) * | 2015-05-27 | 2015-11-11 | 江西科比润滑油制品有限公司 | Simple and easy liquid filling machine of lubricating oil |
| CN105445060A (en) * | 2015-11-30 | 2016-03-30 | 国网河南偃师市供电公司 | Automatic vacuum oil sample taking container for electric high-voltage oil-filled transformer |
| CN108120619A (en) * | 2016-11-29 | 2018-06-05 | 上海宝钢化工有限公司 | Closed sampler and high-temperature smokeless sampling method |
| CN107349491A (en) * | 2017-07-06 | 2017-11-17 | 丽水市知科科技有限公司 | A kind of accurate fixed-quantity injector |
| CN208921495U (en) * | 2018-09-26 | 2019-05-31 | 河南中托力合化学有限公司 | A kind of suction cylinder of oil tank sampler |
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| Publication number | Publication date |
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| CN109000988A (en) | 2018-12-14 |
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