CN206683825U - Commutation type mechanical seal test device - Google Patents
Commutation type mechanical seal test device Download PDFInfo
- Publication number
- CN206683825U CN206683825U CN201720510499.XU CN201720510499U CN206683825U CN 206683825 U CN206683825 U CN 206683825U CN 201720510499 U CN201720510499 U CN 201720510499U CN 206683825 U CN206683825 U CN 206683825U
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- China
- Prior art keywords
- sealing cylinder
- mechanical seal
- space
- sealing
- base
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- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 238000002474 experimental method Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 239000011229 interlayer Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of commutation type mechanical seal test device, and it includes sealing cylinder unit, base unit;Sealing cylinder unit includes sealing cylinder, experiment axle, adjustment seat, nut, sealing cylinder is divided into by interlayer tightens space and installing space, adjustment seat, which is located at, tightens space, it is fixed on sealing cylinder, experiment axle passes through installing space from space is tightened, the one end for testing axle is fixed on and tightens space by nut, positioned at the other end of the experiment axle of installing space, is provided with mechanical seal test specimen;Base unit is fixed by bolt and sealing cylinder unit.The utility model forms commutation type mechanical seal test device by the organic assembling of base unit and sealing cylinder unit, realize that the equipment of static pressure air-tight test carries out malleation by experimental rig and back-pressure is tested to needing to carry out, small volume, sealing performance is strong, equipment to needing to carry out static pressure air-tight test, there is convenience quick for installation, simple and practical, there is larger application value, be advantageous to marketing application.
Description
Technical field
The invention belongs to fluid device to install application field, the commutation type of the sealing of rotating shaft when especially operating in a liquid
Mechanical seal test device.
Background technology
Mechanical sealing performance static pressure test under normal temperature is, it is necessary to carry out pressure adjustment, or other needs to carry out pressure seal
The equipment of performance test is, it is necessary to carry out positive pressure test, and back-pressure is tested.In current production application, to there is the examination of static pressure air-tightness
The equipment for testing requirement, as immersible pump class mechanical seal static pressure air-tight test in requirement to experimental rig, current usual people
To take different mechanical seal to do corresponding experiment respectively, or it is directly installed in equipment and is tested, but have difficulties, because just
Pressure, back-pressure are unable to clamped one time, it is impossible to use same equipment.
Utility model content
For overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of commutation type mechanical seal test device.
To needing progress static pressure air-tight test equipment conveniently to carry out clamping, and realize to equipment according to the adjustment in time of pressure needs, and
Malleation, back-pressure experiment are carried out as needed, i.e., equipment is mounted in experimental rig, and needs, side are adjusted according to equipment pressure
Just the adjustment of equipment different sealing pressure, and malleation, back-pressure pressure test are realized, reduces the constraint limit of traditional pressure adjustment
System, and the inconvenience of malleation, back-pressure experiment.
A kind of commutation type mechanical seal test device, it includes sealing cylinder unit, base unit;Cylinder unit is sealed including close
Cylinder, experiment axle, adjustment seat, nut are sealed, sealing cylinder is divided into by interlayer tightens space and installing space, and adjustment seat, which is located at, tightens sky
Between, sealing cylinder is fixed on, experiment axle passes through installing space from space is tightened, and the one end for testing axle is fixed on and tightens sky by nut
Between, positioned at the other end of the experiment axle of installing space, mechanical seal test specimen is installed;Base unit includes sealing ring, fast slotting son
Joint, pressure gauge, base;Base is provided with two compressed air channels and two plugs, compressed air channel inwardly converge at bottom
The centre bore of seat, the plug for being radiated base outer perimeter is outwards corresponded to respectively, one of compressed air channel with inserting sub- joint soon
It is connected, another compressed air channel is connected with pressure gauge;Base unit is fixed by bolt and sealing cylinder unit.
Angle between two described compressed air channels is 120 degree.
Described base unit is realized with sealing cylinder unit by sealing ring and sealed.
Described commutation type mechanical seal test device, by sealing the commutation of cylinder unit, commutated respectively with base unit
Connection, realize positive pressure test and the back-pressure experiment of static pressure air-tight test.
The end face of described sealing cylinder is three-clove style flange-type structure.
The beneficial effects of the utility model:
1. the sub- joint of inserting soon of base realizes that source of the gas accesses convenience and high-efficiency, good airproof performance;
2. sealing the three-clove style flange-type structure in cylinder end face, the uniformity of installation is realized, and reduces the workload of installation, on
60 angle deviations of lower surface, realize that reduction is interfered with each other using instrument during installation, and connect with the pressure gauge on base, fast slotting son
Head influences each other;
3. sealing cylinder unit during experiment, upper and lower reverse installation as needed, malleation, back-pressure can be carried out respectively
Pressure test;Improve installation effectiveness;
4. the three-clove style flange-type structure of the end face by sealing cylinder, the slot milling between flange hole, and base flange
With sealing cylinder flange deflection, upper and lower not equity is formed, pressure gauge is realized, inserts the position installation of sub- joint soon;
5. sealing the detachability of cylinder unit and base unit, meet the size and shape according to mechanical sealing member, select
Corresponding sealed cylinder block, convenient use, improve the interchangeability of test equipment;
Locked 6. the sealing cylinder unit of an experimental rig is locked with base unit by high-strength bolt, contact surface it
Between using heavy in section sealing ring therefore contact area it is big, in compaction process is born, have sealing area it is big, good pressure-resistant performance,
Good airproof performance, it is more preferable to meet to apply needs.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model (band broken section);
Fig. 2 is side schematic diagram of the present utility model;
Fig. 3 is top view of the present utility model;
Wherein, 1. sealing cylinders, 2. experiment axles, 3. adjustment seats, 4. nuts, 5. sealing rings, 6. mechanical seal test specimens, 7. bottoms
Sub- joint, 10. pressure gauges, 11. bolts are inserted in seat, 8. plugs, 9. soon.
Embodiment
The utility model is further elaborated below in conjunction with accompanying drawing.
As Figure 1-3, a kind of commutation type mechanical seal test device, it includes sealing cylinder unit, base unit;
Sealing cylinder unit includes sealing cylinder 1, experiment axle 2, adjustment seat 3, nut 4, and sealing cylinder 1 is divided into by interlayer tightens sky
Between and installing space, adjustment seat 3 be fixed on sealing cylinder 1 positioned at tightening space, experiment axle 2 passes through installing space from space is tightened,
The one end for testing axle 2 is fixed on and tightens space by nut 4, and positioned at the other end of the experiment axle 2 of installing space, it is close to be provided with machinery
Seal test specimen 6;
Base unit includes sealing ring 5, inserts sub- joint 9, pressure gauge 10, base 7 soon;Base 7 is provided with two compressed airs
Passage and two plugs 8, compressed air channel inwardly converge at the centre bore of base 7, outwards correspond to and are radiated outside base 7 respectively
The plug 8 in week, one of compressed air channel are connected with inserting sub- joint 9 soon, another compressed air channel and pressure gauge 10
It is connected;Base unit is fixed by bolt 11 and sealing cylinder unit.
Angle between two described compressed air channels is 120 degree.
Described base unit is realized with sealing cylinder unit by sealing ring 5 and sealed.
By sealing the commutation of cylinder unit, commutate connect with base unit respectively, realize the malleation of static pressure air-tight test
Experiment and back-pressure experiment.
The end face of described sealing cylinder 1 is three-clove style flange-type structure, it is possible to achieve the uniformity of installation, and reduce installation
Workload, 60 angle deviations of upper and lower end face, realize installation when reduce interfered with each other using instrument, reduce base on pressure
Watch, influencing each other for sub- joint is inserted soon.
Axle 2 is convenient and the sealing static load groove of cylinder 1 realizes that mechanical seal test specimen 6 is installed to experiment dress by testing for the utility model
Put, the regulation of fixation and the tensioning of adjustment seat 3 and nut 4 for testing axle 2.Base 7 is straight not expanding by being specifically designed
In the case of footpath, meet sealing ring 5, plug 8, the installation for inserting sub- joint 9, pressure gauge 10 soon, seal cylinder 1 by being specifically designed,
Upper and lower end face of flange is all in three-clove style triangular connection structure, and upper and lower three valve is in 60 degree of differential seat angles, is realized in installation fastener cycle
It is middle to reduce interference, and reserve installing space for slotting sub- joint 9, pressure gauge 10 soon.
Application Example
Mechanical seal test specimen 6 (dynamic sealing) is installed on experiment axle 2, mechanical seal test specimen 6 (static seal) is installed to
The static load groove of cylinder 1 is sealed, the experiment installation of axle 2 is sealed on cylinder 1 so that the dynamic sealing face of mechanical seal test specimen 6 and static seal face contact, is led to
Adjustment seat 3 and nut 4 are overregulated, meets that the loading of mechanical seal test specimen 6 requires, the sealing cylinder unit for completing installation is installed to bottom
Seat unit, is locked by bolt 11 and realizes sealing, and add water on sealing cylinder unit top leads to until burying sealing surface, extraneous source of the gas
Too fast slotting sub- joint 9 realizes the compressed air for being filled with to sealing cylinder unit bottom and requiring pressure, observes in 3min whether water occur
Bubble, if without blister block source of the gas, sealing cylinder unit is removed, is reinstalled to after commutation on base, is filled with the compression of requirement
Air carries out back-pressure test, observes in 3min bubble whether occur, after the completion of experiment, removes sealing cylinder unit, disassembles sealing cylinder
Unit, mechanical sealed test piece is changed, carry out lower battery of tests.
Realize after mounting, carry out pressure test, and the experiment of malleation, back-pressure as needed, overcome current mechanical seal to pacify
Pressure regulation inconvenience after dress, malleation, back-pressure experiment are difficult, especially the difficulty of immersible pump class mechanical seal experiment.
Claims (5)
1. a kind of commutation type mechanical seal test device, it is characterised in that it includes sealing cylinder unit, base unit;Seal cylinder
Unit include sealing cylinder (1), experiment axle (2), adjustment seat (3), nut (4), sealing cylinder (1) be divided into by interlayer tighten space and
Installing space, adjustment seat (3) are fixed on sealing cylinder (1) positioned at space is tightened, and experiment axle (2) is empty through installation from space is tightened
Between, the one end for testing axle (2) is fixed on and tightens space by nut (4), positioned at the other end of the experiment axle (2) of installing space, peace
Equipped with mechanical seal test specimen (6);Base unit includes inserting sub- joint (9), pressure gauge (10), base (7) soon;Base (7) is provided with
Two compressed air channels and two plugs (8), compressed air channel inwardly converge at the centre bore of base (7), outwards respectively
The corresponding plug (8) for being radiated base (7) periphery, one of compressed air channel are connected with inserting sub- joint (9) soon, another
Compressed air channel is connected with pressure gauge (10);Base unit is fixed by bolt (11) and sealing cylinder unit.
2. commutation type mechanical seal test device according to claim 1, it is characterised in that two described compressed airs
Angle between passage is 120 degree.
3. commutation type mechanical seal test device according to claim 1, it is characterised in that described base unit passes through
Sealing ring (5) is realized with sealing cylinder unit and sealed.
4. commutation type mechanical seal test device according to claim 1, it is characterised in that by sealing changing for cylinder unit
To commutate connection with base unit respectively, realizes positive pressure test and the back-pressure experiment of static pressure air-tight test.
5. commutation type mechanical seal test device according to claim 1, it is characterised in that described sealing cylinder (1)
End face is three-clove style flange-type structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720510499.XU CN206683825U (en) | 2017-05-03 | 2017-05-03 | Commutation type mechanical seal test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720510499.XU CN206683825U (en) | 2017-05-03 | 2017-05-03 | Commutation type mechanical seal test device |
Publications (1)
Publication Number | Publication Date |
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CN206683825U true CN206683825U (en) | 2017-11-28 |
Family
ID=60407463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720510499.XU Expired - Fee Related CN206683825U (en) | 2017-05-03 | 2017-05-03 | Commutation type mechanical seal test device |
Country Status (1)
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CN (1) | CN206683825U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109115426A (en) * | 2018-10-23 | 2019-01-01 | 昆山福步工业设备有限公司 | A kind of integrated mechanical sealing static pressure pressure testing device |
-
2017
- 2017-05-03 CN CN201720510499.XU patent/CN206683825U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109115426A (en) * | 2018-10-23 | 2019-01-01 | 昆山福步工业设备有限公司 | A kind of integrated mechanical sealing static pressure pressure testing device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 |