CN110411670A - A kind of single end face unbalanced type mechanical seal leakage detection apparatus - Google Patents
A kind of single end face unbalanced type mechanical seal leakage detection apparatus Download PDFInfo
- Publication number
- CN110411670A CN110411670A CN201910810781.3A CN201910810781A CN110411670A CN 110411670 A CN110411670 A CN 110411670A CN 201910810781 A CN201910810781 A CN 201910810781A CN 110411670 A CN110411670 A CN 110411670A
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- China
- Prior art keywords
- cylindrical drum
- mechanical seal
- detection apparatus
- leakage detection
- driving motor
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
Abstract
The invention discloses a kind of single end face unbalanced type mechanical seal leakage detection apparatus, it is desirable to provide a kind of easy to operate single end face unbalanced type mechanical seal leakage detection apparatus.It includes pedestal, driving motor, axle sleeve, transparent cylindrical drum, manual pressure test pump and control cabinet；The driving motor is installed on pedestal, and the cylindrical drum is installed on pedestal by mounting base and the axis of cylindrical drum and the axis of driving motor output shaft are on same straight line；Transmission shaft is arranged in the output shaft of the driving motor, and the transmission shaft protrudes into cylindrical drum, and end part of driving shaft has screwed adjusting bolt；The axle sleeve is set on transmission shaft；Detachable end is arranged far from driving motor one end in the cylindrical drum, and the end cap connects manual pressure test pump by pipeline；It is provided with check-valves on the pipeline, is provided with pressure gauge on the pipeline or in cylindrical drum, be provided with drain valve on the end cap or in cylindrical drum.The detection that the present invention is suitable for a variety of mechanical seals uses.
Description
Technical field
The present invention relates to industrial water pump core component mechanical seal detection device technical fields, more particularly, to a kind of single-ended
Face unbalanced type mechanical seal leakage detection apparatus.
Background technique
Mechanical seal (mechanical seal) refers to by least a pair of end face perpendicular to rotation axis in Fluid pressure
With keep under the action of compensation mechanism elastic force (or magnetic force) and under the cooperation of auxiliary seal being bonded and constituting with respect to sliding
The device for preventing fluid from leaking.Mechanical seal is the components such as a kind of gland seal device of rotating machinery, including rotating ring, stationary ring.Axle envelope
Type it is very much, since mechanical seal has many advantages, such as that leakage rate is few and the service life is long, so mechanical seal is at these in the world
The most important sealing mode of equipment.Critical elements of the mechanical seal as industrial water pump, its main function are to guarantee water pump
It is water-tight under high-speed cruising operating condition, and at some special industry occasions (valve cooling system of such as converter station), to water pump operation
It is required that very high, development mechanical seal replacing operation must assure that primary success and keep good operating condition, and this requires machines
The installation of tool sealing should guarantee the optimal mounting process of the available also to master of spare part.So studying the use of mechanical seal
Preceding leak detection and optimal mounting process are realized and install the succinct, efficient, reliable very necessary of mechanical seal process.
Summary of the invention
The purpose of the present invention is intended to overcome the shortcomings of the prior art, and it is close to provide a kind of single end face unbalanced type machinery
Seal leakage detection apparatus.The device is able to achieve under the line of mechanical seal and detects, and on the one hand ensures that mechanical seal to be put into operation is not leaked
Water, on the other hand, by testing and calculating amount of spring compression of the different mechanical seals in optimal operating condition.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of single end face unbalanced type mechanical seal leakage detection apparatus, including pedestal, driving motor, axle sleeve, transparent cylindrical drum, hand
Dynamic hydraulic test pump and control cabinet；The driving motor is installed on pedestal, and the cylindrical drum is installed on pedestal by mounting base
Upper and the axis of cylindrical drum and the axis of driving motor output shaft are on same straight line；The output shaft of the driving motor is set
Transmission shaft is set, the transmission shaft protrudes into cylindrical drum, and end part of driving shaft has screwed adjusting bolt；The axle sleeve is set to transmission
On axis；Detachable end is arranged far from driving motor one end in the cylindrical drum, and the end cap connects manual pressure testing by pipeline
Pump；It is provided with check-valves on the pipeline, is provided with pressure gauge on the pipeline or in cylindrical drum, on the end cap or cylindrical drum
On be provided with drain valve.
Preferably, ring flange is arranged in the end cap edge, and the ring flange is connect by tractive bolt with mounting base, real
The connection of existing end cap and cylinder.
Preferably, the pedestal is made of stainless steel plate.
Preferably, the cylindrical drum is made of transparent plastic-steel.
Preferably, the axle sleeve uses stainless steel axle sleeve.
Preferably, the transmission shaft uses stainless steel shaft.
Preferably, it is provided on the pedestal convenient for hand-held handle.
Compared with prior art, the present invention has the advantage that
The present invention design it is light, it is easy to operate, can one mention to any place carry out operation, can efficiently, efficiently realize machine
The leak detection of tool sealing.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural diagram of the present invention, and wherein cylindrical drum does not do perspective processing.
Fig. 2 is the main view of Fig. 1.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Fig. 5 is the right view of Fig. 2.
Fig. 6 is the schematic diagram when present invention uses, and shows mechanical seal in figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.In the following description, structure and work side of the invention in order to clearly demonstrate
Formula will be described on the basis of attached drawing by many Directional words, but should by "front", "rear", "left", "right",
The Word Understandings such as "upper", "lower" are not construed as word of limitation for convenience of term.
Single end face unbalanced type mechanical seal leakage detection apparatus shown in Fig. 1-6, including pedestal G1, driving motor M1, axle sleeve
Z1, transparent cylindrical drum C1, manual pressure test pump B1 and control cabinet W1；The driving motor M1 is installed on pedestal G1, described
Cylindrical drum C1 is installed on pedestal G1 by mounting base J1 and at the axis of the axis of cylindrical drum C1 and driving motor M1 output shaft
In on same straight line；Transmission shaft Z2 is arranged in the output shaft of the driving motor M1, and the transmission shaft Z2 is protruded into cylindrical drum C1, and
The end transmission shaft Z2, which has screwed, adjusts bolt L1, end part of driving shaft setting for adjusting the internal thread hole of bolt installation, when use by
Bolt is adjusted to push down mechanical seal and realize the adjusting of mechanical seal decrement；The axle sleeve Z1 is set on transmission shaft Z2；Institute
It states cylindrical drum C1 and detachable end F1 is set far from the one end driving motor M1, the end cap F1 connects manual examination by pipeline 11
Press pump B1；It is provided with check-valves K1 on the pipeline 11, is provided with pressure gauge P1 on the pipeline 11 or on cylindrical drum C1, it is described
Drain valve K2 is provided on end cap F1 or on cylindrical drum C1.
In the present embodiment, ring flange is arranged in the end cap F1 edge, and the ring flange passes through tractive bolt 12 and mounting base
J1 connection realizes the connection of end cap F1 and cylinder, it is clear that other common connection types and cylinder can also be used in the end cap F1
Connection, the sealing between end cap F1 and cylindrical drum C1 use conventional hermetic, and sealing performance, which is subject to, meets test request.
In the present embodiment, the pedestal G1 is preferably made of stainless steel plate.The cylindrical drum C1 preferably uses intensity height
Transparent plastic-steel be made.The axle sleeve Z1 and transmission shaft Z2 is all made of corrosion resistant 316L stainless steel material.
As a further improvement, it is provided on the pedestal G1 convenient for hand-held handle 13, it is quick convenient for operator
It is mobile to carry.
Whole device of the invention can be placed in a small-sized storage box, the operation suitable for any operation field.This hair
It is detected under the line of bright achievable mechanical seal, on the one hand ensures that mechanical seal to be put into operation is water-tight, on the other hand, passed through
Test can calculate amount of spring compression of the different mechanical seals in optimal operating condition.
The external 220V AC power source of driving motor M1 of the invention, power supply are led to control cabinet W1, are controlled and are driven by control cabinet W1
The start and stop of dynamic motor M1.Junction between the component respectively contacted with water is respectively provided with sealing element or sealing structure.
Usage mode of the invention is as follows:
One, mechanical seal is packed into:
1, the rotating ring spring stand 1 of mechanical seal is fixed with axle sleeve Z1, it is ensured that end face；
2, mechanical sealing static ring 2 is installed on the end face of the adjacent machine envelope mounting base J1 of cylindrical drum C1；
3, axle sleeve Z1 is inserted in transmission shaft Z2, and is taken in transmission shaft Z2 and adjusts bolt L1.
Two, mechanical seal decrement D is adjusted:
1, adjustment adjusts bolt L1 and when with table calliper to measure two state of mechanical seal drift D1 and compression limit D2
The extension elongation of axle sleeve Z1, to calculate the compression travel amount of mechanical seal；
2, according to mechanical seal run-out tolerance specified value, adjustment adjusts bolt L1 and is stretched out with vernier caliper measurement axle sleeve Z1 again
Length meets the requirements mechanical seal run-out tolerance D3；
3, according to the above measured value, it can be calculated decrement D=D2-D1+D3 of mechanical seal.
Three, mechanical seal leak detection operation:
1, end cap F1 is installed, it is ensured that fastening is in place；
2, the water of external water source K3 is got in cylindrical drum C1 by manual pressure test pump B1, after observing pressure gauge P1 to specified pressure
Stopping is suppressed；
3, power on, operation control box W1 manually boots driving motor M1；
4, whether there is or not leaks for observation mechanical seal in rotation；
5, detection is completed, and driving motor M1 is turned off manually in operation control box W1；
6, drain valve K2 is opened, the water in cylindrical drum C1 is discharged, comes loose and adjusts bolt L1, remove mechanical seal, operation terminates.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of single end face unbalanced type mechanical seal leakage detection apparatus, including pedestal, driving motor, axle sleeve, transparent cylindrical drum,
Manual pressure test pump and control cabinet；It is characterized by: the driving motor is installed on pedestal, the cylindrical drum passes through installation
Seat is installed on pedestal and the axis of cylindrical drum and the axis of driving motor output shaft are on same straight line；The driving electricity
Transmission shaft is arranged in the output shaft of machine, and the transmission shaft protrudes into cylindrical drum, and end part of driving shaft has screwed adjusting bolt；The axis
Set is set on transmission shaft；Detachable end is arranged far from driving motor one end in the cylindrical drum, and the end cap passes through pipeline
Connect manual pressure test pump；It is provided with check-valves on the pipeline, is provided with pressure gauge, the end on the pipeline or in cylindrical drum
Cover or cylindrical drum on be provided with drain valve.
2. single end face unbalanced type mechanical seal leakage detection apparatus according to claim 1, it is characterised in that: the end cap edge
Ring flange is set, and the ring flange is connect by tractive bolt with mounting base, realizes the connection of end cap and cylinder.
3. single end face unbalanced type mechanical seal leakage detection apparatus according to claim 1 or claim 2, it is characterised in that: the pedestal
It is made of stainless steel plate.
4. single end face unbalanced type mechanical seal leakage detection apparatus according to claim 1 or claim 2, it is characterised in that: the cylinder
Cylinder is made of transparent plastic-steel.
5. single end face unbalanced type mechanical seal leakage detection apparatus according to claim 1 or claim 2, it is characterised in that: the axle sleeve
Using stainless steel axle sleeve.
6. single end face unbalanced type mechanical seal leakage detection apparatus according to claim 1 or claim 2, it is characterised in that: the transmission
Axis uses stainless steel shaft.
7. single end face unbalanced type mechanical seal leakage detection apparatus according to claim 1 or claim 2, it is characterised in that: the pedestal
On be provided with convenient for hand-held handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810781.3A CN110411670A (en) | 2019-08-29 | 2019-08-29 | A kind of single end face unbalanced type mechanical seal leakage detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910810781.3A CN110411670A (en) | 2019-08-29 | 2019-08-29 | A kind of single end face unbalanced type mechanical seal leakage detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110411670A true CN110411670A (en) | 2019-11-05 |
Family
ID=68369772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910810781.3A Pending CN110411670A (en) | 2019-08-29 | 2019-08-29 | A kind of single end face unbalanced type mechanical seal leakage detection apparatus |
Country Status (1)
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| CN (1) | CN110411670A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2428764Y (en) * | 2000-07-03 | 2001-05-02 | 南京化工学校 | Mechanical sealing test apparatus with controllable spring specific-pressure and measurable vibration |
| CN1825083A (en) * | 2006-03-27 | 2006-08-30 | 南京化工职业技术学院 | Multi-parameter controllable high-rotating speed mechanical sealing performance tester |
| CN103267613A (en) * | 2013-05-06 | 2013-08-28 | 南京林业大学 | Mechanical seal performance testing device |
| KR20180066557A (en) * | 2016-12-09 | 2018-06-19 | 로텍엔지니어링주식회사 | Leak Testor for various size of The Pump Mechanical Seal Assembly |
| CN110006602A (en) * | 2019-04-18 | 2019-07-12 | 西安永华集团有限公司 | A kind of airtight experimental rig and its test method of leaking hunting |
| CN210221409U (en) * | 2019-08-29 | 2020-03-31 | 中国南方电网有限责任公司超高压输电公司昆明局 | Single-end-face unbalanced mechanical seal leakage detection device |
-
2019
- 2019-08-29 CN CN201910810781.3A patent/CN110411670A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2428764Y (en) * | 2000-07-03 | 2001-05-02 | 南京化工学校 | Mechanical sealing test apparatus with controllable spring specific-pressure and measurable vibration |
| CN1825083A (en) * | 2006-03-27 | 2006-08-30 | 南京化工职业技术学院 | Multi-parameter controllable high-rotating speed mechanical sealing performance tester |
| CN103267613A (en) * | 2013-05-06 | 2013-08-28 | 南京林业大学 | Mechanical seal performance testing device |
| KR20180066557A (en) * | 2016-12-09 | 2018-06-19 | 로텍엔지니어링주식회사 | Leak Testor for various size of The Pump Mechanical Seal Assembly |
| CN110006602A (en) * | 2019-04-18 | 2019-07-12 | 西安永华集团有限公司 | A kind of airtight experimental rig and its test method of leaking hunting |
| CN210221409U (en) * | 2019-08-29 | 2020-03-31 | 中国南方电网有限责任公司超高压输电公司昆明局 | Single-end-face unbalanced mechanical seal leakage detection device |
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