CN109000988A - A kind of suction cylinder of oil tank sampler - Google Patents
A kind of suction cylinder of oil tank sampler Download PDFInfo
- Publication number
- CN109000988A CN109000988A CN201811118410.0A CN201811118410A CN109000988A CN 109000988 A CN109000988 A CN 109000988A CN 201811118410 A CN201811118410 A CN 201811118410A CN 109000988 A CN109000988 A CN 109000988A
- Authority
- CN
- China
- Prior art keywords
- pull rod
- suction cylinder
- pipe
- oil tank
- cylinder
- Prior art date
- 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.)
- Granted
Links
- 238000010079 rubber tapping Methods 0.000 claims abstract description 24
- 238000005452 bending Methods 0.000 claims description 8
- 239000002775 capsule Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 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
A kind of suction cylinder of oil tank sampler, it is related to a kind of sampler, pull rod (5) is in pipe (6), the control mechanism for controlling the pull rod and moving up and down is equipped in the upper end of pipe, the outer rim suitable for reading of suction cylinder (15) and the lower mouth external connection of pipe, wear the upper end of pull rod lower end connection push-pull rod (10) in the tube, the lower end of push-pull rod in suction cylinder is equipped with piston (31), the lower mouth of the suction cylinder is equipped with tubaeform end plate (24), taper undergauge cylinder (17) upper end connects tubaeform end plate, the ball (26) being arranged in the bellmouth (25) of taper undergauge cylinder forms check valve, the lower part of the ball is equipped with the tapping bar (27) that length exceeds bellmouth;Air bag is equipped in the outer lower part of suction cylinder;The present invention can go deep into oil tank using the length of pipe, make suction cylinder fast sampling by shadoof control pull rod.
Description
[technical field]
The present invention relates to a kind of samplers, specifically the suction cylinder the present invention relates to a kind of oil tank sampler.
[background technique]
Known, storage, the storage of various oil products use metallic oil tank, since the mouth on oil tank top is usually smaller, diameter mostly
Between 20 centimeters to 50 centimeters, people enters very inconvenient but also meeting contaminated product;Place oil product oil tank due to it is long when
Between be in closed state, in sampling, people is difficult directly to lie prone and carrys out state in observation panel on the top of oil tank, because storing for a long time
Oil product give out very big volatile matter, make one to be difficult to approach;And for requirement of explosion proof, lighting can not be used to be seen
It examines, so every sub-sampling is all extremely difficult.
[summary of the invention]
In order to overcome the shortcomings in the background art, the invention discloses a kind of suction cylinders of oil tank sampler, utilize the length of pipe
It can go deep into oil tank, suction cylinder fast sampling is made by shadoof control pull rod.
Realize that technical scheme is as follows:
A kind of suction cylinder of oil tank sampler, including control mechanism, pull rod, pipe, suction cylinder, push-pull rod, piston, ball and tapping
Bar, pull rod are in pipe, and the control mechanism for controlling the pull rod and moving up and down, the outer rim suitable for reading of suction cylinder are equipped in the upper end of pipe
With the lower mouth external connection of pipe, the upper end of pull rod lower end connection push-pull rod in the tube, the push-and-pull in suction cylinder are worn
The lower end of bar is equipped with piston, and the lower mouth of the suction cylinder is equipped with tubaeform end plate, and taper undergauge cylinder upper end connects tubaeform end plate,
The ball being arranged in the bellmouth of taper undergauge cylinder forms check valve, and the lower part of the ball is equipped with the tapping that length exceeds bellmouth
Bar;Air bag is equipped in the outer lower part of suction cylinder.
The suction cylinder of the oil tank sampler is equipped with the end pipe of undergauge, tapping bar top in the lower end of taper undergauge cylinder
In hole in the end pipe, the upper end of tapping bar and the bottom surfaces of ball are fixedly connected by welding.
The suction cylinder of the oil tank sampler is equipped with back hook in the lower part of tapping bar, and the bending end of the back hook is in
The side of end pipe is equipped with horizon bar at the bending end of back hook.
The suction cylinder of the oil tank sampler is respectively equipped with short horizon bar in the lower end two sides of pipe, two short horizon bars
Outer end lower part is respectively equipped with upright bar, and the upright bar lower end outside is respectively equipped with level board, and two level boards pass through screw connection respectively
The connecting plate of suction cylinder upper end two sides.
The suction cylinder of the oil tank sampler is equipped with external screw thread in the upper end outer rim of suction cylinder, covers lower mouth inner wall setting
Internal screw thread connection suction cylinder external screw thread, be equipped with mider hole in the middle part of the upper board of lid, push-pull rod top is through the mider hole
In, two connecting plates are separately positioned on the top two sides of lid.
The suction cylinder of the oil tank sampler, the middle part of piston be equipped with rubber ring, the outer edge surface of the rubber ring with
The inside cavity of suction cylinder is interference fit.
The suction cylinder of the oil tank sampler, the air bag are annular air-pocket, and the sets of holes in the middle part of annular air-pocket, which cover, is taking out
On the lower end outer edge surface of suction tube.
The suction cylinder of the oil tank sampler, the control mechanism include annular hand grip, shadoof and pull rod, annular hand grip
Lower end in the middle part of be fixedly connected with the upper end of pipe, shadoof be in annular hand grip, and the upper end of the pull rod, which is equipped with, perforates, U-shaped company
The recess of female connector wraps up the middle part of the shadoof, and the both ends of U-shaped connector sleeve are clamped in pull rod upper end two sides, are in the middle part of pin
In the perforation of upper end, the both ends of pin both ends pin behind the hole at U-shaped connector sleeve both ends are equipped with to be expanded pull rod
The diameter head of a nail.
The suction cylinder of the oil tank sampler, another replacing structure that pull rod is connect with shadoof, the upper end of the pull rod
By being welded to connect in the middle part of the bottom surfaces of shadoof.
The suction cylinder of the oil tank sampler is equipped with connecting sleeve, the two sides of the connecting sleeve in the lower end of pull rod
Connecting hole is respectively equipped on wall, the upper end of the push-pull rod is equipped with connecting hole, and the upper end of push-pull rod is through in connecting sleeve, by another
The connecting hole of one pin concatenation push-pull rod and connecting sleeve.
By above disclosure, the beneficial effects of the present invention are:
The suction cylinder of oil tank sampler of the present invention gos deep into oil tank by the length of pipe when use, when suction cylinder lower end reaches
When pasta, operator can be perceived, and be pulled up using shadoof, at this moment drive push-pull rod and piston by pull rod, oil sample is made to enter pumping
In suction tube, when hand stops drag shadoof, bellmouth of the ball by the effect closing taper undergauge cylinder being self-possessed, this hair being brought up
It is bright to push ball uplink after tapping bar touching container against container, obtain the opening of bellmouth and the inflow container of oil sample;
Structure of the invention is more small and exquisite, conducive to popularizing, can effectively reduce inconvenience when oil tank sampling.
[Detailed description of the invention]
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the attachment structure schematic diagram of suction cylinder and lower push rod B and lid of the invention;
Fig. 3 is piston structure schematic diagram of the invention;
Fig. 4 is annular air-pocket structural schematic diagram of the invention;
Fig. 5 is shadoof and bar jointing structure schematic diagram of the invention;
In figure: 1, annular hand grip;2, shadoof;3, U-shaped connector sleeve;4, pin;5, pull rod;6, it manages;7, short horizon bar;8, it stands
Bar;9, connecting sleeve;10, push-pull rod;11, level board;12, connecting plate;13, screw;14, it covers;15, suction cylinder;16, annular gas
Capsule;17, taper undergauge cylinder;18, end pipe;19, hole;20, mider hole;21, internal screw thread;22, external screw thread;23, cavity;24, loudspeaker
Shape end plate;25, bellmouth;26, ball;27, tapping bar;28, back hook;29, horizon bar;30, connecting hole;31, piston;32, rubber
Circle;33, sets of holes;34, it perforates.
[specific embodiment]
The present invention is further detailed below with reference to embodiment;The following examples are not for limit of the invention
Fixed, only as the mode for supporting realization of the invention, any equivalent structure in technological frame disclosed in this invention is replaced,
For protection scope of the present invention;
The suction cylinder of the oil tank sampler in conjunction with described in attached drawing 1~5, including control mechanism, pull rod 5, pipe 6, suction cylinder 15, push away
Pull rod 10, piston 31, ball 26 and tapping bar 27, pull rod 5 are in pipe 6, are equipped in the upper end of pipe 6 and are controlled about 5 pull rod
The control mechanism of movement, the outer rim suitable for reading of suction cylinder 15 and the lower mouth external connection of pipe 6, are through 5 lower end of pull rod in the pipe 6
The upper end of push-pull rod 10 is connected, the lower end of the push-pull rod 10 in suction cylinder 15 is equipped with piston 31, sets at the middle part of piston 31
There is rubber ring 32, is interference fit, the suction cylinder 15 inside the outer edge surface of the rubber ring 32 and the cavity 23 of suction cylinder 15
Lower mouth be equipped with tubaeform end plate 24,17 upper end of taper undergauge cylinder connects tubaeform end plate 24, in the taper of taper undergauge cylinder 17
The ball 26 being arranged in hole 25 forms check valve, is equipped with the end pipe 18 of undergauge, 27 top of tapping bar in the lower end of taper undergauge cylinder 17
In hole in the end pipe 18, it is equipped with back hook 28 in the lower part of tapping bar 27, the bending end of the back hook 28 is in end pipe 18
Side, be equipped with horizon bar 29 at the bending end of back hook 28, the bottom surfaces of the upper end of tapping bar 27 and ball 26, which pass through, to be welded and fixed
Connection;It is equipped with air bag in the outer lower part of suction cylinder 15, the air bag is annular air-pocket 16,33 sets of sets of holes in the middle part of annular air-pocket 16
On the lower end outer edge surface of suction cylinder 15.
In conjunction with attached drawing 1,2, external screw thread 22, the internal screw thread of 14 lower mouthfuls of inner walls of lid setting are equipped in the upper end outer rim of suction cylinder 15
The upper board middle part of the external screw thread 22 of 21 connection suction cylinders 15, lid 14 is equipped with mider hole 20, and 10 top of push-pull rod is through in described
In portion hole 20, two connecting plates 12 are separately positioned on the top two sides of lid 14, are respectively equipped with short horizon bar 7 in the lower end two sides of pipe 6,
The outer end lower part of two short horizon bars 7 is respectively equipped with upright bar 8, and 8 lower end outside of upright bar is respectively equipped with level board 11, two level boards
11 pass through the connecting plate 12 of 13 connection cover of screw, 14 two sides respectively.
In conjunction with attached drawing 1 or 5, the control mechanism includes annular hand grip 1, shadoof 2 and pull rod 5, in the lower end of annular hand grip 1
Portion is fixedly connected with the upper end of pipe 6, and shadoof 2 is in annular hand grip 1, and the upper end of the pull rod 5 is equipped with perforation 34, U-shaped connection
The recess of set 3 wraps up the middle part of the shadoof 2, and the both ends of U-shaped connector sleeve 3 are clamped in 5 upper end two sides of pull rod, 4 middle part of pin
In pull rod 5 in the perforation 34 of upper end, 4 both ends of pin pin 4 behind the hole at 3 both ends of U-shaped connector sleeve
Both ends are equipped with the expanding head of a nail;Another replacing structure that pull rod 5 is connect with shadoof 2, the upper end of the pull rod 5 is by being welded to connect
In the middle part of the bottom surfaces of shadoof 2.
In conjunction with attached drawing 1 and 3, it is equipped with connecting sleeve 9 in the lower end of pull rod 5, is set respectively on the two sidewalls of the connecting sleeve 9
There is connecting hole 30, the upper end of the push-pull rod 10 is equipped with connecting hole 30, and the upper end of push-pull rod 10 is through in connecting sleeve 9, by another
The connecting hole 30 of one pin concatenation push-pull rod 10 and connecting sleeve 9.
Implement the suction cylinder of oil tank sampler of the present invention, installation process is as follows:
In conjunction with attached drawing 1 to 5, welds ball 26 and stainless steel wire to form tapping bar 27 first, be then put into tapping bar 27 downward
Suction cylinder 15 makes tapping bar 27 and ball 26 respectively enter end pipe 18 and taper undergauge cylinder 17, using pliers by 27 lower part of tapping bar
Bending forms back hook 28, and the end not bending of tapping bar 27 is then gone out a horizon bar 29;Piston 31 is packed into suction cylinder 15,
The push-pull rod 10 of piston 31, which is put into after the mider hole 20 of lid 14, connects the internal screw thread 21 of lid 14 and the external screw thread 22 of suction cylinder 15
It connects, two connecting plates 12 of lid 14 is docked with two level boards 11 of 6 lower part of pipe, respectively penetrate 14 liang of lid connections using two-screw 13
It is locked using nut behind the hole 19 of plate 12 and the hole of level board 11;At this moment using the interval formed between two upright bars 8 by push-pull rod
10 connect with 5 lower end of pull rod, then connect 5 upper end of pull rod using U-shaped connector sleeve 3 and pin 4 with shadoof 2.
In use, first pushing shadoof 2, the oil product top that suction cylinder 15 is sent into oil tank by annular hand grip 1 is then held,
After taper undergauge cylinder 17 enters in oil product, annular air-pocket 16 contacts oil product and just forms resistance, under stopping after operator's perception
It visits and starts to pull up shadoof 2, stop pull-up shadoof 2 when reaching aequum, at this moment ball 26 is blocked taper undergauge cylinder by self weight
17 bellmouth 25, then take out the present invention, by end pipe 18 be inserted into vessel port, tapping bar 27 horizon bar 29 load vessel port simultaneously
26 uplink of ball is pushed by tapping bar 27, the inflow container of the opening and oil sample that obtain bellmouth 25 completes sampling operation.
Part not in the detailed description of the invention is the prior art.
Claims (10)
1. a kind of suction cylinder of oil tank sampler, including control mechanism, pull rod (5), pipe (6), suction cylinder (15), push-pull rod
(10), piston (31), ball (26) and tapping bar (27) are set it is characterized in that: pull rod (5) is in pipe (6) in the upper end of pipe (6)
Have and control the control mechanism that the pull rod (5) moves up and down, connects outside the outer rim suitable for reading of suction cylinder (15) and the lower mouth of pipe (6)
It connects, is through the upper end of pull rod (5) lower end connection push-pull rod (10) in the pipe (6), the push-pull rod in suction cylinder (15)
(10) lower end is equipped with piston (31), and the lower mouth of the suction cylinder (15) is equipped with tubaeform end plate (24), taper undergauge cylinder (17)
Upper end connects tubaeform end plate (24), and the ball (26) being arranged in the bellmouth (25) of taper undergauge cylinder (17) forms check valve,
The lower part of the ball (26) is equipped with the tapping bar (27) that length exceeds bellmouth (25);Gas is equipped in the outer lower part of suction cylinder (15)
Capsule.
2. the suction cylinder of oil tank sampler according to claim 1, it is characterized in that: being set in the lower end of taper undergauge cylinder (17)
There is the end pipe (18) of undergauge, tapping bar (27) top is in the hole of the end pipe (18), the upper end of tapping bar (27) and ball
(26) bottom surfaces are fixedly connected by welding.
3. the suction cylinder of oil tank sampler according to claim 2, it is characterized in that: being equipped with back in the lower part of tapping bar (27)
The bending end of hook (28), the back hook (28) is in the side of end pipe (18), is equipped with horizon bar at the bending end of back hook (28)
(29).
4. the suction cylinder of oil tank sampler according to claim 1, it is characterized in that: being set respectively in the lower end two sides of pipe (6)
Have short horizon bar (7), the outer end lower part of two short horizon bars (7) is respectively equipped with upright bar (8), upright bar (8) the lower end outside difference
Equipped with level board (11), two level boards (11) connect the connecting plate of suction cylinder (15) upper end two sides by screw (13) respectively
(12).
5. the suction cylinder of oil tank sampler according to claim 1, it is characterized in that: the upper end outer rim in suction cylinder (15) is set
Have external screw thread (22), the external screw thread (22) for internal screw thread (21) connection suction cylinder (15) that mouth inner wall is arranged under lid (14) covers (14)
Upper board in the middle part of be equipped with mider hole (20), push-pull rod (10) top is through in the mider hole (20), two connecting plates (12) point
It She Zhi not be in the top two sides of lid (14).
6. the suction cylinder of oil tank sampler according to claim 1, it is characterized in that: being equipped with rubber at the middle part of piston (31)
It encloses (32), is interference fit inside the outer edge surface of the rubber ring (32) and the cavity (23) of suction cylinder (15).
7. the suction cylinder of oil tank sampler according to claim 1, it is characterized in that: the air bag is annular air-pocket (16),
Sets of holes (33) in the middle part of annular air-pocket (16) cover on the lower end outer edge surface of suction cylinder (15).
8. the suction cylinder of oil tank sampler according to claim 1, it is characterized in that: the control mechanism includes annular hand grip
(1), the lower end middle part of shadoof (2) and pull rod (5), annular hand grip (1) is fixedly connected with the upper end of pipe (6), and shadoof (2) is in ring
In shape handle (1), the upper end of the pull rod (5) is equipped with perforation (34), and the recess of U-shaped connector sleeve (3) wraps up the shadoof (2)
Middle part, the both ends of U-shaped connector sleeve (3) are clamped in pull rod (5) upper end two sides, and pull rod (5) are in the middle part of pin (4) close to upper end
Perforation (34) in, pin (4) both ends pass through U-shaped connector sleeve (3) both ends hole after the pin (4) both ends be equipped with expand
The diameter head of a nail.
9. the suction cylinder of oil tank sampler according to claim 8, it is characterized in that: pull rod (5) connect with shadoof (2) it is another
One replacing structure, the upper end of the pull rod (5) is by being welded to connect in the middle part of the bottom surfaces of shadoof (2).
10. the suction cylinder of oil tank sampler according to claim 1, it is characterized in that: being equipped with connection in the lower end of pull rod (5)
Casing (9) is respectively equipped with connecting hole (30) on the two sidewalls of the connecting sleeve (9), and the upper end of the push-pull rod (10) is equipped with
Connecting hole (30), the upper end of push-pull rod (10) are through in connecting sleeve (9), by another pin concatenation push-pull rod (10) and connector sleeve
Manage the connecting hole (30) of (9).
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 |
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CN109000988A true CN109000988A (en) | 2018-12-14 |
CN109000988B CN109000988B (en) | 2024-05-28 |
Family
ID=64589253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811118410.0A Active CN109000988B (en) | 2018-09-26 | 2018-09-26 | Suction cylinder of oil tank sampler |
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CN (1) | CN109000988B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110849670A (en) * | 2019-11-21 | 2020-02-28 | 李军妹 | Rapeseed oil detection system and detection method thereof |
Citations (9)
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---|---|---|---|---|
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 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110849670A (en) * | 2019-11-21 | 2020-02-28 | 李军妹 | Rapeseed oil detection system and detection method thereof |
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Publication number | Publication date |
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CN109000988B (en) | 2024-05-28 |
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