CN110987325A - Device and method for measuring and recovering fluid seal leakage - Google Patents
Device and method for measuring and recovering fluid seal leakage Download PDFInfo
- Publication number
- CN110987325A CN110987325A CN201911382179.0A CN201911382179A CN110987325A CN 110987325 A CN110987325 A CN 110987325A CN 201911382179 A CN201911382179 A CN 201911382179A CN 110987325 A CN110987325 A CN 110987325A
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- switch
- measuring cylinder
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- measuring
- pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The device comprises a thin measuring cylinder and a thick measuring cylinder, wherein the cylinder body of the thin measuring cylinder and the thick measuring cylinder are provided with scales, the thin measuring cylinder is permeable up and down, the upper end and the lower end of the thick measuring cylinder are provided with covers with through holes, the upper end of the thin measuring cylinder is connected with a leakage port in the fluid sealing device, the lower end of the thin measuring cylinder is connected with the through hole at the upper end of the thick measuring cylinder through a connecting seat with through holes in the up-down direction, a first switch is arranged at the joint, the lower end of the thick measuring cylinder is connected with an oil return pipe through a lower connecting pipe, a second switch is arranged at the joint, one end of the oil return pipe is connected with the second switch, and the other end of the oil return pipe is connected. The invention can meet the measurement requirements of leakage amount of various sealing types, is simple, convenient and quick to operate, and realizes the repeated recycling of oil.
Description
Technical Field
The invention belongs to the technical field of fluid seal, and particularly relates to a device and a method for measuring and recovering fluid seal leakage.
Background
The leakage problem is a defect which is difficult to avoid in a hydraulic system, and particularly under special conditions of high pressure, dustiness and the like, the sealing problem is often firstly solved in the system design. The leakage amount is an important index for evaluating the sealing performance of the system, but the measurement of the leakage amount has certain difficulty. Since the leakage amount is greatly influenced by the sealing type, the oil pressure, the movement speed and the like, the leaked oil needs to be recycled. The measurement to the leakage among the current test device generally adopts the graduated flask to go on, and the error is great and operation process is complicated, and the improper easy polluted environment of fluid processing of leakage, fluid itself is polluted easily under the open environment moreover, leads to the unable used repeatedly of fluid. The invention discloses a method for measuring and recovering needle leakage, which has the advantages of less patents and stronger practical requirements for designing a measuring and recovering device.
Disclosure of Invention
Based on the prior art, the invention aims to provide a device and a method for measuring and recovering fluid seal leakage, which can meet the measurement requirements of leakage amount of various seal types, are simple, convenient and quick to operate and realize repeated recycling of oil.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a fluid seal leaks measurement and recovery unit, thin graduated flask 1 and thick graduated flask 4 have including the stack shell, it is penetrating about thin graduated flask 1, the lid of both ends for leaving the through-hole about thick graduated flask 4, the leak source among 1 upper end of thin graduated flask and the fluid seal is connected, the through-hole of thick graduated flask 4 upper end is connected through connecting seat 3 of taking the through-hole of direction from top to bottom to the lower extreme, and be provided with first switch 2 in the junction, the lower extreme through-hole of thick graduated flask 4 is connected with return oil pipe 6 through connecting pipe 7 down, and be provided with second switch 8 in the junction.
The thin measuring cylinder 1, the connecting seat 3, the thick measuring cylinder 4 and the oil return pipe 6 are all made of transparent materials.
The lower extreme of thin graduated flask 1 passes through the external screw thread and links to each other with first switch 2, and first switch 2 passes through the external screw thread of internal thread and 3 one ends of connecting seat and links to each other, and in the through-hole of the 3 other ends of connecting seat inserted 4 upper ends of thick graduated flask, when first switch 2 opened, thin graduated flask 1 passed through connecting seat 3 and the inside intercommunication of thick graduated flask 4.
The upper end of the lower connecting pipe 7 is inserted into a lower end through hole of the coarse measuring cylinder 4 and is connected with the lower end through threads, the lower end is connected with the second switch 8 through external threads, and when the second switch 8 is opened, the coarse measuring cylinder 4 is communicated with the oil return pipe 6 through the lower connecting pipe 7.
The first switch 2 and the second switch 8 are both ball valve switches.
A support 5 is arranged below the coarse measuring cylinder 4, the support 5 is a circular plate with a hole in the center, a support is arranged at the bottom of the circular plate, and the coarse measuring cylinder 4 is placed on the circular plate.
The oil return pipe 6 is a hard pipeline, one end of the oil return pipe is connected with the second switch 8, the other end of the oil return pipe is connected with the hydraulic oil tank 10 through an oil pipe 9 to form a closed system, and the oil pipe 9 is a rubber hose.
The invention also provides a measuring and recovering method based on the fluid seal leakage measuring and recovering device, when a small amount of leakage is measured, the first switch 2 is closed, the leaked oil enters the thin measuring cylinder 1, and the thin measuring cylinder 1 is used for observation and measurement; when a large amount of leakage is measured, the first switch 2 is opened, the second switch 8 is closed, the leaked oil enters the coarse measuring cylinder 4, and the coarse measuring cylinder 4 is used for observation and measurement; after the measurement is finished, the second switch 8 is opened, so that the oil flows back through the oil return pipe 6, and the leaked oil is recycled.
Preferably, after the measurement is finished, the second switch 8 is turned on, so that the oil flows back to the hydraulic oil tank 10 through the oil return pipe 6 and the oil pipe 9, and the leaked oil is recycled.
Compared with the prior art, the leakage measuring device can measure the leakage of different sealing types, has compact integral structure, convenient operation and higher precision, and can conveniently realize the measurement under different leakage states. The device has good sealing performance, avoids the oil from polluting the environment or being polluted, and ensures that the leaked oil can be repeatedly used.
Drawings
Fig. 1 is an isometric view of the device.
Fig. 2 is a schematic view of the overall structure.
In the figure: 1. a fine measuring cylinder; 2. a first switch; 3. a connecting seat; 4. a coarse measuring cylinder; 5. a support; 6. an oil return pipe; 7. a lower connecting pipe; 8. a second switch; 9. an oil pipe; 10. and a hydraulic oil tank.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
As shown in figure 1, a fluid seal leakage measuring and recovering device comprises a fine measuring cylinder 1 and a coarse measuring cylinder 4, wherein the cylinder body is provided with scales, the fine measuring cylinder and the coarse measuring cylinder are both made of transparent oil-resistant materials, leakage oil in the fluid seal device is discharged through a leakage port, the fine measuring cylinder 1 is used for measuring the leakage amount in a small leakage state, the specifications of different diameters can be selected according to the leakage amount to realize proper measuring precision, and the coarse measuring cylinder 4 is used for measuring the leakage amount of the fluid seal device in a large leakage state. The fine measuring cylinder 1 is through from top to bottom, the upper end and the lower end of the coarse measuring cylinder 4 are provided with cover bodies with through holes, the through holes can be respectively positioned at the centers of the upper cover body and the lower cover body, and the through holes on the lower cover body are used as oil return pore passages.
The upper end of the thin measuring cylinder 1 is connected with a leakage port in the fluid sealing device, the lower end of the thin measuring cylinder is connected with a through hole at the upper end of the thick measuring cylinder 4 through a connecting seat 3 with through holes in the vertical direction, a first switch 2 is arranged at the connecting position, and the connecting seat 3 is also made of transparent materials. The thin measuring cylinder 1 and the leakage port of the fluid sealing device are connected in various ways, and can be inserted into the thin measuring cylinder through a hard pipe or connected through a rubber hose, so that vibration and dust can be isolated. The lower end through hole of the thick measuring cylinder 4 is connected with the oil return pipe 6 through a lower connecting pipe 7, and a second switch 8 is arranged at the joint. Wherein, the first switch 2 and the second switch 8 can be ball valve switches to control the on-off of the oil liquid.
In a concrete implementation means, the lower end of the thin measuring cylinder 1 is connected with the first switch 2 through an external thread, the first switch 2 is connected with the external thread at one end of the connecting seat 3 through an internal thread, the other end of the connecting seat 3 is inserted into the through hole at the upper end of the thick measuring cylinder 4, and when the first switch 2 is turned on, the thin measuring cylinder 1 is communicated with the inside of the thick measuring cylinder 4 through the connecting seat 3.
And the upper end of the lower connecting pipe 7 is inserted into a lower end through hole of the thick measuring cylinder 4 and is connected with the lower end through threads, the lower end is connected with the second switch 8 through external threads, and when the second switch 8 is opened, the thick measuring cylinder 4 is communicated with the oil return pipe 6 through the lower connecting pipe 7.
For the convenience of operation, a support 5 can be arranged below the coarse measuring cylinder 4, the support 5 is a circular plate with a hole in the center, a support is arranged at the bottom, the coarse measuring cylinder 4 can be placed on the circular plate, and a proper support mode can be selected according to the arrangement condition of the equipment to be measured.
In the invention, the oil return pipe 6 is a hard pipeline, one end of the oil return pipe is connected with the second switch 8, the other end of the oil return pipe is connected with the hydraulic oil tank 10 through the oil pipe 9 to form a closed system, and the oil pipe 9 is a rubber hose.
The invention also provides a measuring and recovering method based on the fluid seal leakage measuring and recovering device, when a small amount of leakage is measured, the first switch 2 is closed, the leaked oil enters the thin measuring cylinder 1, and the thin measuring cylinder 1 is used for observation and measurement; when a large amount of leakage is measured, the first switch 2 is opened, the second switch 8 is closed, the leaked oil enters the coarse measuring cylinder 4, and the coarse measuring cylinder 4 is used for observation and measurement; after the measurement is finished, the second switch 8 is turned on, so that the oil flows back to the hydraulic oil tank 10 through the oil return pipe 6 and the oil pipe 9, and the leaked oil is recycled.
In conclusion, the leakage quantity measuring device can meet the leakage quantity measuring requirements of various sealing types, is simple, convenient and quick to operate, and realizes the repeated recycling of oil.
Claims (9)
1. The utility model provides a measurement and recovery unit that fluid seal leaked, a serial communication port, including thin graduated flask (1) and thick graduated flask (4) of stack shell area scale, it is penetrating from top to bottom in thin graduated flask (1), both ends are the lid of leaving the through-hole about thick graduated flask (4), the leak source in thin graduated flask (1) upper end and the fluid seal dress is connected, the through-hole of thick graduated flask (4) upper end is connected through connecting seat (3) of taking the through-hole of direction from top to bottom to the lower extreme, and be provided with first switch (2) in the junction, the lower extreme through-hole of thick graduated flask (4) is connected with time oil pipe (6) through connecting pipe (7) down, and be provided with second switch (8) in the junction.
2. The device for measuring and recovering the fluid seal leakage according to claim 1, wherein the thin measuring cylinder (1), the connecting seat (3) and the thick measuring cylinder (4) are made of transparent materials.
3. The fluid-tight leakage measuring and recovering device according to claim 1, wherein the lower end of the thin measuring cylinder (1) is connected to the first switch (2) through an external thread, the first switch (2) is connected to the external thread at one end of the connecting base (3) through an internal thread, the other end of the connecting base (3) is inserted into the through hole at the upper end of the thick measuring cylinder (4), and when the first switch (2) is turned on, the thin measuring cylinder (1) is communicated with the inside of the thick measuring cylinder (4) through the connecting base (3).
4. The fluid-tight leakage measuring and recovering device according to claim 1 or 3, wherein the upper end of the lower connecting pipe (7) is inserted into the lower through hole of the coarse measuring cylinder (4) and connected with the lower through hole through a screw thread, the lower end of the lower connecting pipe is connected with the second switch (8) through an external screw thread, and when the second switch (8) is turned on, the coarse measuring cylinder (4) is communicated with the oil return pipe (6) through the lower connecting pipe (7).
5. The fluid seal leakage measuring and recovery device according to claim 4, wherein the first switch (2) and the second switch (8) are ball valve switches.
6. The fluid seal leakage measuring and recovery device according to claim 1, wherein a support (5) is arranged below the coarse measuring cylinder (4), the support (5) is a circular plate with a hole in the center, the bottom of the circular plate is provided with a support, and the coarse measuring cylinder (4) is placed on the circular plate.
7. The fluid seal leakage measuring and recovery device according to claim 1, wherein the oil return pipe (6) is a hard material pipe, one end of the oil return pipe is connected with the second switch (8), the other end of the oil return pipe is connected with the hydraulic oil tank (10) through an oil pipe (9) to form a closed system, and the oil pipe (9) is a rubber hose.
8. The method for measuring and recovering a fluid-tight leakage measuring and recovering device according to claim 1, wherein when a small amount of leakage is measured, the first switch (2) is closed, the leaked oil enters the fine measuring cylinder (1), and the fine measuring cylinder (1) is used for observation measurement; when a large amount of leakage is measured, the first switch (2) is opened, the second switch (8) is closed, the leaked oil enters the coarse measuring cylinder (4), and the coarse measuring cylinder (4) is used for observation and measurement; after the measurement is finished, the second switch (8) is opened, so that the oil liquid flows back through the oil return pipe (6), and the leaked oil liquid is recycled.
9. The measuring and recovering method according to claim 8, characterized in that after the measurement is completed, the second switch (8) is opened to enable the oil to flow back to the hydraulic oil tank (10) through the oil return pipe (6) and the oil pipe (9), so as to realize the recycling of the leaked oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911382179.0A CN110987325A (en) | 2019-12-28 | 2019-12-28 | Device and method for measuring and recovering fluid seal leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911382179.0A CN110987325A (en) | 2019-12-28 | 2019-12-28 | Device and method for measuring and recovering fluid seal leakage |
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| Publication Number | Publication Date |
|---|---|
| CN110987325A true CN110987325A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911382179.0A Pending CN110987325A (en) | 2019-12-28 | 2019-12-28 | Device and method for measuring and recovering fluid seal leakage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791020A (en) * | 2022-11-29 | 2023-03-14 | 浙江岷泰科技有限公司 | Internal leakage detection equipment and detection method based on support |
Citations (10)
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| US4105142A (en) * | 1976-10-07 | 1978-08-08 | Morris Jr Harold K | Dispensing device for fluid substances |
| US5607080A (en) * | 1994-12-30 | 1997-03-04 | C.A.P. Inc. | Chemical measuring system |
| EP1247564A2 (en) * | 2001-03-28 | 2002-10-09 | Tuthill Corporation | Volumetric dispenser |
| CN201417161Y (en) * | 2009-05-13 | 2010-03-03 | 王泽坤 | Precise graduated cylinder |
| CN202061632U (en) * | 2011-05-09 | 2011-12-07 | 陕西科技大学 | Variable-graduation measuring cylinder |
| CN102579256A (en) * | 2011-11-18 | 2012-07-18 | 周阿明 | Medicine bottle |
| CN108333092A (en) * | 2017-12-29 | 2018-07-27 | 青岛理工大学 | A kind of infiltration detection device and method |
| CN109813389A (en) * | 2017-11-22 | 2019-05-28 | 余振 | A kind of high precision measuring cylinder |
| CN209316772U (en) * | 2018-11-08 | 2019-08-30 | 新疆医科大学第一附属医院 | A kind of catheter assembly for openheart surgery |
| CN110514262A (en) * | 2019-08-30 | 2019-11-29 | 张旭晨 | Adjustable type measuring bottle |
-
2019
- 2019-12-28 CN CN201911382179.0A patent/CN110987325A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105142A (en) * | 1976-10-07 | 1978-08-08 | Morris Jr Harold K | Dispensing device for fluid substances |
| US5607080A (en) * | 1994-12-30 | 1997-03-04 | C.A.P. Inc. | Chemical measuring system |
| EP1247564A2 (en) * | 2001-03-28 | 2002-10-09 | Tuthill Corporation | Volumetric dispenser |
| CN201417161Y (en) * | 2009-05-13 | 2010-03-03 | 王泽坤 | Precise graduated cylinder |
| CN202061632U (en) * | 2011-05-09 | 2011-12-07 | 陕西科技大学 | Variable-graduation measuring cylinder |
| CN102579256A (en) * | 2011-11-18 | 2012-07-18 | 周阿明 | Medicine bottle |
| CN109813389A (en) * | 2017-11-22 | 2019-05-28 | 余振 | A kind of high precision measuring cylinder |
| CN108333092A (en) * | 2017-12-29 | 2018-07-27 | 青岛理工大学 | A kind of infiltration detection device and method |
| CN209316772U (en) * | 2018-11-08 | 2019-08-30 | 新疆医科大学第一附属医院 | A kind of catheter assembly for openheart surgery |
| CN110514262A (en) * | 2019-08-30 | 2019-11-29 | 张旭晨 | Adjustable type measuring bottle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791020A (en) * | 2022-11-29 | 2023-03-14 | 浙江岷泰科技有限公司 | Internal leakage detection equipment and detection method based on support |
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Application publication date: 20200410 |