CN209085865U - A kind of sealing performance test experiments platform - Google Patents

A kind of sealing performance test experiments platform Download PDF

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Publication number
CN209085865U
CN209085865U CN201821996489.2U CN201821996489U CN209085865U CN 209085865 U CN209085865 U CN 209085865U CN 201821996489 U CN201821996489 U CN 201821996489U CN 209085865 U CN209085865 U CN 209085865U
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output shaft
pressure chamber
vibration
sealing
cabin
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CN201821996489.2U
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张全斌
赵武
黄丹
荆双喜
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Henan University of Technology
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Henan University of Technology
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Abstract

The utility model discloses a kind of sealing performance test experiments platforms, including tentative module, power plant module, exciting module, water supply module and drain module, tentative module includes pressure chamber, sealing test cabin and mechanically-sealing apparatus, pressure chamber, which is given, provides highly pressurised liquid by test system, it is installed in sealing test cabin by test system, sealing test cabin is embedded in inside pressure chamber;Power plant module includes driving device and output shaft, and output shaft crosses sealing test cabin, by test system and pressure chamber, provides the power of rotation to by test system;Pressure chamber is connected by mechanically-sealing apparatus with output shaft;Exciting module includes the magnetic powder brake for applying twisting vibration, applies the axial mode vibration excitor of axial vibration and/or apply the radial mode shape vibration excitor of radial vibration.The utility model can be tested out by test system in highly pressurised liquid environment, reversed, axially and/or radially vibrate reliability or sealing performance that tested sealing device when influencing is showed.

Description

A kind of sealing performance test experiments platform
Technical field
The utility model relates to sealing device the field of test technology, more particularly to by axis in highly pressurised liquid environment Sealing device when acting on to, radial direction and twisting vibration is sealed the sealing performance test experiments platform of performance test.
Background technique
In engineering machinery, there is the transmission system much to seal, these transmission systems during use, need To guarantee the sealing reliability of itself under complicated operating condition, this complex working condition make transmission system otherwise by radial vibration, Single vibration in axial vibration and twisting vibration or the complex vibration by radial vibration, axial vibration and twisting vibration, this So that the sealing reliability requirement to transmission system is very high, therefore the vibration test of various operating conditions need to be made to transmission system, with Ensure the sealing reliability of transmission system in use.
Chinese patent CN205120355U discloses a kind of rotary oil seal testing stand, and test cavity is installed on the workbench On shifting sledge, by the spindle drum being mounted on above radial vibration sliding rail and axial motion sliding rail, live spindle passes through main shaft Seat realizes the radial vibration relative to test cavity and axial motion.
Chinese patent CN107764488A discloses a kind of mechanical seal leakage test method and device, is acted on by change Elastic element on stationary ring, to change the contact pressure of dynamic and static interannular, thereafter to dynamic and static collar at seal chamber be filled with one The sealing medium of fixed initial pressure detects the mechanical seal in work, to obtain different end face contact pressures, difference Mechanical seal dynamic or static leakage rate under initial pressure.
Under the conditions of existing test platform is difficult to meet simultaneously in highly pressurised liquid environment by axial direction, radial direction and twisting vibration Sealing performance test.
Utility model content
The purpose of this utility model is to provide a kind of sealing performance test experiments platforms, can test out and be existed by test system In highly pressurised liquid environment, reversed, axially and/or radially vibration influence when sealing performance and seal operation reliability.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of sealing performance test experiments platform, including tentative module, power plant module, exciting module, water supply module and row Water module, the tentative module include pressure chamber 47, sealing test cabin 67 and mechanically-sealing apparatus, and pressure chamber 47 is given by test system 66 provide highly pressurised liquid, are installed in sealing test cabin 67 by test system 66, sealing test cabin 67 is embedded in inside pressure chamber 47;
The power plant module includes driving device and the output shaft 32 with driving device transmission connection, and output shaft crosses close It seals test chamber 67, by test system 66 and pressure chamber 47, provides the power of rotation to by test system 66;Pressure chamber 47 passes through mechanical close Seal apparatus is connected with output shaft 32;
The exciting module includes the magnetic powder brake 34 for applying twisting vibration, the axial mode exciting for applying axial vibration Device 38 and/or the radial mode shape vibration excitor for applying radial vibration;
The water supply module is to 47 high service of pressure chamber;The drain module is respectively to pressure chamber 47 and sealing test cabin 67 drainings.
Transparent material of the pressure chamber 47 of the tentative module by light transmittance higher than 90% is made;
Pressure chamber 47 includes upper cabin 47-1, packing 47-2 and lower cabin 47-3, wherein cabin passes through in groove up and down Packing 47-2 is sealed;
Bottom inside pressure chamber 47 is equipped with the boss for being supported to sealing test cabin 67;
It is disposed with lip block between 47 lower section of pressure chamber and platform base 42, lip block height is higher than modality vibration exciter Height;
Top in pressure chamber 47 positioned at output shaft 32 is disposed with pressure gauge 24, pressure chamber 47 in vitro arrangement slotted-angle shelving 14 into Row is reinforced, and slotted-angle shelving 14 is left and right subdivision form.
The sealing test cabin 67 is left and right subdivision structure, including the detachable left split mechanical seals lid 13 being fixedly connected With right split mechanical seals lid 21, and the O-ring by being arranged at faying face realizes left split mechanical seals lid 13 and right split mechanical seals lid 21 Static seal.
The mechanically-sealing apparatus includes O-ring 22, stationary ring 23, rotating ring 25, O-ring 26, compressed spring 28 and rotating seat 29,23 gap of stationary ring is set on output shaft 32, and is fixedly connected with pressure chamber 47, the faying face cloth of stationary ring 23 and pressure chamber 47 Set the static seal of O-ring 22 realization and pressure chamber 47;
29 fixing sleeve of rotating seat is set on output shaft 32 and limits rotating ring in it, and rotating seat 29, which can drive, to be limited in it Rotating ring 25 is rotated together with output shaft 32;It is provided with axial compressed spring 28 in rotating seat 29, compressed spring 28 is by rotating ring 25 It is resisted against on stationary ring 23 and realizes dynamic sealing;O-ring 26 is set at the faying face of rotating ring and rotating seat, realizes rotating ring 25 and rotating seat 29 Static seal;
Lantern ring 27 is set between compressed spring 28 and rotating ring 25, lantern ring 27 and rotating ring 25 with abut against, be installed on together dynamic In ring seat 29;
Rotating seat 29 is fixed on output shaft 32 by holding screw 30, in inner hole side and 32 phase of output shaft of rotating seat 29 It meets place and is equipped with groove, groove is provided with the static seal of O-ring 31 realization and output shaft 32.
The driving device of the power plant module is motor 11, and motor 11 is fixed on motor cabinet 8, and 11 main shaft of motor passes through Shaft coupling 15 is connected with output shaft 32, and output shaft 32 crosses the pressure chamber 47 of tentative module, sealing test cabin 67, by test system 66 And mechanically-sealing apparatus, pass through the power rotor of shaft coupling 33 and the magnetic powder brake 34 of exciting module in the end of output shaft 32 It is connected.
There are two the radial mode shape vibration excitor arrangements, respectively radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60;Radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 are in 90 ° of center of circle angle arrangements.
The radial mode shape vibration excitor 60 is arranged at plumb position, and radial mode shape vibration excitor 50 is arranged in horizontal position Place.
The magnetic powder brake 34 of the exciting module is fixedly connected with bearing seat 35, and bearing seat 35 is placed on support base 44 And it is slidably matched on the axial direction of output shaft 32 with it;Support base 44 is fixed on platform base 42;
It is equipped with spring base 46 on the left of bearing seat 35, compressed spring 45 is disposed between spring base 46 and bearing seat 35, carries 35 right side of seat is connected with the mandril of axial mode vibration excitor 38, and axis modality vibration exciter 38 is fixedly connected with platform base 42;
Radial mode shape vibration excitor 50 is fixedly connected with platform base 42, and is installed between two rectangle cushion blocks, radial mode The mandril of state vibration excitor 50 passes through pressure chamber 47 and the excircle of output shaft 32 abuts against;
Radial mode shape vibration excitor 60 is fixedly connected with the bracket 61 being fixed on platform base 42, radial mode shape vibration excitor 60 mandril passes through pressure chamber 47 and the excircle of output shaft 32 abuts against;
The mandril of radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 arrangement in 90 °, and in same vertical guide.
The water supply module includes water pump 2, and water pump 2 is pumped into the water at atmospheric pressure of water tank 41 in water pump 2 by pipeline 51, through water Water at atmospheric pressure becomes high pressure water after pump 2;
The outlet of water pump 2 is equipped with check valve 57, is connect by check valve 57 and pipe fitting 1 with pressure chamber 47, realization pair 47 high service of pressure chamber;
Platform base 42 is equipped with the guide groove parallel with 32 axial direction of output shaft, and water pump 2 is installed on platform base 42 , it can be achieved that axial distance adjusts at upper guide groove.
The drain module includes the blow-off line 1 being connected on pressure chamber 47 and is connected to sealing test bilge portion Drainpipe 54,54 other end of drainpipe run in sink 56 by lead-in wire sealing 55;
One 63 one end of blow-off line is connected by lead-in wire sealing 55 with the bottom of pressure chamber 47, blow-off line 1 it is another End is connected by connector with drainage switch 64, and drainage switch 64 is connected by blow-off line 2 65 with water tank 41.
The beneficial effects of the utility model are:
(1) structure of the utility model is relatively easy, can test out by test system in highly pressurised liquid environment, be turned round Turn, axially and/or radially vibration influence when sealing performance and seal operation reliability.
(2) the exciting module of the utility model includes the magnetic powder brake for applying twisting vibration, the axis for applying axial vibration To modality vibration exciter and/or the radial mode shape vibration excitor of application radial vibration, shake according to by vibration of test system and combinations thereof Flowing mode and direction difference, can carry out single Experiment on Function and multiple composite tests to by test system, increase test platform It is functional.
(3) bearing seat is placed on support base and is slidably matched on the axial direction of output shaft with it, swashs convenient for mode The device that shakes applies axial vibration to bearing seat;It to rotation shaft seal, influences maximum to be exactly radial vibration, applies radial vibration Dynamic modality vibration exciter cloth respectively arranges one on setting the output shaft on the right side of sealing test cabin, and in horizontal position, plumb position It is a, exciting can be carried out to by test system to the greatest extent, the result reliability tested out is high.
(4) the case where pressure cabin uses transparent material, can observe device operation in time;It, can be with and by pressure gauge Whether the hydraulic pressure of observation pressure cabin reaches setup pressure value in real time, if occurring emergency situations or sealing mistake in experimentation Effect can carry out active brake to output shaft by magnetic powder brake, be simultaneously stopped and issue vibration signal to modality vibration exciter, mention Safety and reliability when high sealing performance test experiments working platform.
(5) water pump of water supply module is installed on platform base at guide groove, it can be achieved that axial distance adjusts, for difference Pressure requirements can replace the water pump of different model, expand the running parameter adjusting range of experiment porch.
(6) pressure cabin is supported cushion block and paves certain altitude, vibration caused by the factor other than preventing because of excitational equipment And influence test result.
Detailed description of the invention
The main view of Fig. 1 the utility model embodiment;
The top view of Fig. 2 the utility model embodiment;
Fig. 3 is partial enlarged view at A in Fig. 1;
Fig. 4 is partial enlarged view at B in Fig. 1;
Fig. 5 is pressure chamber sealed structural schematic diagram;
Fig. 6 is the C-C diagrammatic cross-section of Fig. 5.
The appended drawing reference of each component in figure: 1- pipe fitting;2- gear pump;3- shaft coupling;4- motor;5- bolt; 6- elastic washer;7-T type groove nut;8- base;9- bolt;10- plain cushion;11- motor;12- O-ring;13-left subdivisions are close Capping;14-slotted-angle shelvings;15-shaft couplings;16- O-ring;17- O-ring;18- bolt;19- plain cushion;20-turret head spiral shells It is female;The right split mechanical seals lid of 21-;22- O-ring;23-stationary rings;24- pressure gauge;25- rotating ring;26- O-ring;27- set Ring;28- compressed spring;29- rotating seat;30- holding screw;31- O-ring;32- output shaft;33- flange-face coupling; 34- magnetic powder brake;35- bearing seat;36- bolt;37- plain cushion;38- axial mode vibration excitor;39- bolt;40 - Plain cushion;41- water tank;42- platform base;43- supports roller;44-support bases;45- compressed spring;46- spring base; 47- pressure chamber;The upper cabin of 47-1;47-2 packing;Cabin under 47-3;48- bolt;49- plain cushion;50- radial mode shape swashs Shake device;51- pipeline;52- cushion block;53- drain spring;54- drainpipe;55- lead-in wire sealing;56- rhone;57- is mono- To valve;58- bolt;59- plain cushion;60- radial mode shape vibration excitor;61- bracket;62- screw;63- blow-off line one;64- Drainage switch;65- blow-off line two;66- is by test system;67- sealing test cabin.
Specific embodiment
It elaborates below in conjunction with attached drawing to specific embodiment of the present utility model.
As shown in Figures 1 to 6, a kind of sealing performance test experiments platform, including tentative module, power plant module, exciting mould Block, water supply module and drain module.
The tentative module includes pressure chamber 47, sealing test cabin 67 and mechanically-sealing apparatus, and pressure chamber 47 gives subject system System 66 provides highly pressurised liquid, is installed in sealing test cabin 67 by test system 66, sealing test cabin 67 is embedded in pressure chamber 47 Portion, pressure chamber 47 are connected by mechanically-sealing apparatus with output shaft 32.
The power plant module includes motor 11 and output shaft 32, and 11 main shaft of motor passes through shaft coupling 15 and 32 phase of output shaft Even, it crosses sealing test cabin 67, by test system 66 and pressure chamber 47, provides the power of rotation to by test system 66.
The exciting module includes the magnetic powder brake 34 for applying twisting vibration, the axial mode exciting for applying axial vibration Device 38 and the radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 for applying radial vibration.
Due to influencing maximum to be exactly radial vibration, applying the mode exciting of radial vibration to rotation shaft seal Device cloth respectively arranges one in horizontal position, plumb position on the output shaft 32 for setting 67 right side of sealing test cabin, can be most Big degree carries out exciting to by test system 66, and the result reliability tested out is high.In the present embodiment, radial radial mode shape exciting Device 50 and radial radial mode shape vibration excitor 60 are in 90 ° of center of circle angles arrangements, and in same vertical guide, wherein radial radial mode shape Vibration excitor 60 is arranged at plumb position and is located at 47 lower section of pressure chamber, and radial radial mode shape vibration excitor 50 is arranged in horizontal position Place.
The water supply module is to 47 high service of pressure chamber;The drain module is respectively to pressure chamber 47 and sealing test cabin 67 drainings.
Transparent material of 47 body of pressure chamber of the tentative module by light transmittance higher than 90% is made, including upper cabin 47-1, Packing 47-2 and lower cabin 47-3, wherein cabin is sealed by the packing 47-2 in groove up and down.
The lip block 52 of 47 two rectangles of arranged beneath of pressure chamber, 52 height of lip block are higher than radial mode shape vibration excitor 50 height is to be machined with the platform base of T-slot (T-slot is parallel with 32 axial direction of output shaft, makees below lip block 52 For guide groove), so that so that pressure cabin is supported cushion block paves certain altitude, caused by the factor other than preventing because of excitational equipment It vibrates and influences test result.
Pressure chamber 47 is sealed with output shaft 32 by mechanically-sealing apparatus, positioned at mechanical seal in pressure chamber 47 Top is disposed with one piece of pressure gauge 24, and pressure chamber 47 in vitro reinforced by arrangement slotted-angle shelving 14, and slotted-angle shelving 14 is left and right subdivision shape Formula.Bottom inside pressure chamber 47 is equipped with boss, and sealing test cabin 67 is inside 47 left end face of pressure chamber, pressure chamber 47 Boss is supported sealing test cabin 67.
Since 47 body of pressure chamber uses transparent material, the case where device is run can be observed in time;And pass through pressure gauge 24, Whether the hydraulic pressure that pressure cabin can be observed in real time reaches setup pressure value, if occurring emergency situations or close in experimentation Envelope failure can carry out active brake to output shaft 32 by magnetic powder brake 34, be simultaneously stopped to issue modality vibration exciter and shake Dynamic signal, improves safety and reliability when sealing performance test experiments working platform.
Sealing test cabin 67 is left and right subdivision structure, including left split mechanical seals lid 13 and right split mechanical seals lid 21, left subdivision Sealing cover 13 is connected by O-ring 12 with motor 11, and left split mechanical seals lid 13 and right split mechanical seals lid 21 pass through bolt 18, plain cushion 19 are fixedly connected with hex-head nut 20, and the O-ring by being arranged at faying face realizes left split mechanical seals lid 13 and right subdivision The static seal of sealing cover 21.It is installed on output shaft 32, while is embedded in inside sealing test cabin by test system 66.
The stationary ring 23 of mechanically-sealing apparatus is connected by screw thread with pressure chamber 47, is realized and pressure chamber 47 by O-ring 22 Static seal, rotating ring 25 abuts against with lantern ring 27, is installed on rotating seat 29 together, realizes rotating ring 25 and dynamic by O-ring 26 The static seal of ring seat 29.Compressed spring 28 is installed between lantern ring 27 and rotating seat 29, moves rotating ring 27 with the realization of stationary ring 23 close Envelope, rotating seat 29 are fixed on output shaft 32 by holding screw 30, in the inner hole side and 32 joint of output shaft of rotating seat 29 There is a twice groove at position, and groove is provided with O-ring 31, and when work, rotating seat 29 and 32 synchronous rotary of output shaft pass through O-ring 31 realize the static seal with output shaft 32.
The motor 11 of the power plant module is fixed on motor cabinet 8 by bolt 9 and plain cushion 10, and 11 main shaft of motor passes through Shaft coupling 15 is connected with output shaft 32, and output shaft 32 crosses the pressure chamber 47 of tentative module, sealing test cabin 67, by test system 66 And mechanically-sealing apparatus, pass through the power rotor of shaft coupling 33 and the magnetic powder brake 34 of exciting module in the end of output shaft 32 It is connected.
The magnetic powder brake 34 of the exciting module is fixed by bolt 36 and plain cushion 37 and bearing seat 35, and bearing seat 35 is put It is placed on support base 44 and is slidably matched on the axial direction of output shaft 32 with it, support base 44 is fixed on platform by screw In the T-slot of pedestal 42.35 left side of bearing seat is connected with four groups of (quantity can be increased and decreased according to the actual situation) compressed springs 45, Compressed spring 45 is fixed on spring base 46, and 35 right side of bearing seat is connected with the mandril of axial mode vibration excitor 38, axial mode Vibration excitor 38 is fixed by bolt 39 and plain cushion 40 and platform base 42, just to apply in axial mode vibration excitor 38 to bearing seat Add axial vibration.
In the present embodiment, 8 (quantity can be increased and decreased according to the actual situation) back-up rollers are placed in the groove of support base 44 The axis of son 43, support roller 43 is mutually perpendicular to output shaft 32, and bearing seat 35 is placed in 43 top of support roller, to realize Being slidably matched on the axial direction of output shaft 32 with support base 44 of bearing seat 35.
Radial mode shape vibration excitor 50 is fixed by bolt 48 and plain cushion 49 and platform base 42, is installed on two lip blocks Between, the mandril of radial mode shape vibration excitor 50 passes through pressure chamber 47 and the excircle of output shaft 32 abuts against;Radial mode shape exciting Device 60 is fixed by bolt 58 and plain cushion 59 and bracket 61, and bracket 61 is fixed on platform base 42 by screw 62, radial The mandril of modality vibration exciter 60 passes through pressure chamber 47 and the excircle of output shaft 32 abuts against, and radial mode shape vibration excitor 50 and diameter To the mandril arrangement in 90 ° of modality vibration exciter 60, and in same vertical guide.
4 pedestal of motor of the water supply module passes through bolt 5, elastic washer 6 and T-slot nut 7 and platform base 42 It is fixed at upper T-slot, the main shaft of motor 4 is connected by shaft coupling 3 with gear pump 2, and gear pump 2 is by pipeline 51 water tank 41 Water at atmospheric pressure is pumped into gear pump 2, and water at atmospheric pressure becomes high pressure water after gear pump 2, is equipped with check valve in the outlet of gear pump 2 57, high pressure water is provided into pressure chamber 47 by check valve 57 and pipe fitting 1, is realized to 47 high service of pressure chamber.
The water pump assembly of water supply module is installed on platform base 42 at T-slot, it can be achieved that axial distance adjusts, for not The water pump that different model can be replaced with pressure requirements expands the running parameter adjusting range of experiment porch.
The drain module includes the blow-off line 1 being connected on pressure chamber and is connected to sealing test bilge portion Drainpipe 54,54 other end of drainpipe are run in sink 56 by lead-in wire sealing 55;When being leaked in sealing test cabin, close It seals test chamber bottom and is equipped with drain spring 53 and drainpipe 54, ponding is discharged to rhone 56 by lead-in wire sealing 55 by drainpipe 54 It is interior.
Described one 63 one end of blow-off line is connected by lead-in wire sealing 55 with the bottom of pressure chamber, blow-off line 1 it is another One end is connected by connector with drainage switch 64, and drainage switch 64 is connected by blow-off line 2 65 with water tank 41, is realized to pressure The draining in power cabin.
The utility model can be according to different by the vibration of test system and combinations thereof mode of vibration and direction, can be to subject System carries out single Experiment on Function and multiple composite tests comprising following tests scheme:
Testing program one (is solely subjected to unidirectional radial vibration by test system):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, it drives output shaft 32 to be rotated by shaft coupling 15, opens radial mode shape vibration excitor 50 or radial mode shape vibration excitor 60 is given The mandril of vibration signal out, radial mode shape vibration excitor 50 or radial mode shape vibration excitor 60 acts on output shaft 32, makes output shaft 32 generate radial vibration, and due to being installed on output shaft 32 by test system, the radial vibration of final output shaft 32 drives subject system System generates radial vibration, to realize by the radial vibration load test of test system.
Testing program two (is solely subjected to unidirectional axial vibration by test system):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, it drives output shaft 32 to be rotated by shaft coupling 15, opens axial mode vibration excitor 38 and provide vibration signal, axial mode The mandril of vibration excitor 38 acts on bearing seat 35, makes the generation of bearing seat 35 and the identical horizontal vibration in 32 axial direction side of output shaft, Bearing seat 35 drives 34 axial vibration of magnetic powder brake with hex bolt 36 and plain cushion 37 by six, magnetic powder brake 34 further through Shaft coupling 33 drives output shaft 32 to generate axial vibration, due to being installed on output shaft 32 by test system, final output shaft 32 Axial vibration is passed to by test system, is realized by the axial vibration load test of test system.
Testing program three (is solely subjected to unidirectional twisting vibration by test system):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, drive output shaft 32 to be rotated by shaft coupling 15, magnetic powder brake 34 provides signal at this time, drives by shaft coupling 33 Output shaft 32 generates twisting vibration, since subject system output shaft 32 is connected, due to being installed on output shaft 32 by test system, most Rear output shaft 32 passes to twisting vibration by test system, realizes by the twisting vibration load test of test system.
Testing program four (is born two-way radial vibration by test system):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, it drives output shaft 32 to be rotated by shaft coupling 15, opens radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 is given The mandril of vibration signal out, radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 acts on output shaft 32, makes output shaft 32 generate the radial vibration in both direction, due to being installed on output shaft 32 by test system, in 32 both direction of output shaft Radial vibration drives the radial vibration generated in both direction by test system, to realize by the two-way radial vibration of test system Combined loading test.
Testing program five (is born unidirectional radial vibration and axial vibration by test system):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, it drives output shaft 32 to be rotated by shaft coupling 15, opens radial mode shape vibration excitor 50 or 60 He of radial mode shape vibration excitor Axial mode vibration excitor 38 provides vibration signal, and the mandril of radial mode shape vibration excitor 50 or radial mode shape vibration excitor 60 acts on defeated On shaft 32, output shaft 32 is set to generate radial vibration, while the mandril of axial mode vibration excitor 38 acts on bearing seat 35, makes Bearing seat 35, which is generated, passes through six and hex bolt 36 and plain cushion 37 with the identical horizontal vibration in 32 axial direction side of output shaft, bearing seat 35 34 axial vibration of magnetic powder brake is driven, magnetic powder brake 34 drives output shaft 32 to generate axial vibration further through shaft coupling 33, Output shaft 32 produces radial vibration and axial vibration simultaneously at this time, due to being installed on output shaft 32 by test system, quilt Test system equally also obtains radial vibration and axial vibration, to realize by test system simultaneously by radial vibration and axial vibration Combined loading test.
Testing program six (is born unidirectional radial vibration and twisting vibration by test system):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, it drives output shaft 32 to be rotated by shaft coupling 15, opens radial mode shape vibration excitor 50 or 60 He of radial mode shape vibration excitor Axial mode vibration excitor 38 provides vibration signal, and the mandril of radial mode shape vibration excitor 50 or radial mode shape vibration excitor 60 acts on defeated On shaft 32, output shaft 32 is set to generate radial vibration, magnetic powder brake 34 provides signal at the same time, drives by shaft coupling 33 Output shaft 32 generates twisting vibration, and output shaft 32 produces radial vibration and twisting vibration simultaneously at this time, due to being pacified by test system Radial vibration and twisting vibration are equally also obtained loaded on output shaft 32, therefore by test system, to realize by test system simultaneously By the combined loading test of radial vibration and twisting vibration.
Testing program seven (bears axial vibration and twisting vibration by test system):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, it drives output shaft 32 to be rotated by shaft coupling 15, opens axial mode vibration excitor 38 and provide vibration signal, axial mode The mandril of vibration excitor 38 acts on bearing seat 35, makes the generation of bearing seat 35 and the identical horizontal vibration in 32 axial direction side of output shaft, Bearing seat 35 drives 34 axial vibration of magnetic powder brake with hex bolt 36 and plain cushion 37 by six, magnetic powder brake 34 further through Shaft coupling 33 drives output shaft 32 to generate axial vibration, and magnetic powder brake 34 provides signal at the same time, passes through 33 band of shaft coupling Dynamic output shaft 32 generates twisting vibration, and output shaft 32 produces axial vibration and twisting vibration simultaneously at this time, due to by test system It is installed on output shaft 32, therefore axial vibration and twisting vibration is equally also obtained by test system, to realize same by test system When by axial vibration and twisting vibration combined loading test.
Testing program eight (test system bears two-way radial vibration and axial vibration):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, it drives output shaft 32 to be rotated by shaft coupling 15, opens radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 is given The mandril of vibration signal out, radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 acts on output shaft 32, makes output shaft 32 generate the radial vibration in both direction, open axial mode vibration excitor 38 at the same time and provide vibration signal, axial mode The mandril of vibration excitor 38 acts on bearing seat 35, makes the generation of bearing seat 35 and the identical horizontal vibration in 32 axial direction side of output shaft, Bearing seat 35 drives 34 axial vibration of magnetic powder brake with hex bolt 36 and plain cushion 37 by six, magnetic powder brake 34 further through Shaft coupling 33 drives output shaft 32 to generate axial vibration, and output shaft 32 produces two-way radial vibration and axial vibration simultaneously at this time It is dynamic, due to being installed on output shaft 32 by test system, two-way radial vibration and axial vibration are equally also obtained by test system It is dynamic, to realize by test system simultaneously by the combined loading test of two-way radial vibration and axial vibration.
Testing program nine (is born two-way radial vibration and twisting vibration by test system):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, it drives output shaft 32 to be rotated by shaft coupling 15, opens radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 is given The mandril of vibration signal out, radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 acts on output shaft 32, makes output shaft 32 generate the radial vibration in both direction, and magnetic powder brake 34 provides signal at the same time, are driven and are exported by shaft coupling 33 Axis 32 generates twisting vibration, and output shaft 32 produces two-way radial vibration and twisting vibration simultaneously at this time, due to by test system It is installed on output shaft 32, therefore is equally also obtained two-way radial vibration and twisting vibration by test system, to realize subject System is simultaneously by the combined loading test of two-way radial vibration and twisting vibration.
Testing program ten (test system bears unidirectional radial vibration, axial vibration and twisting vibration):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, it drives output shaft 32 to be rotated by shaft coupling 15, opens radial mode shape vibration excitor 50 or radial mode shape vibration excitor 60 is given The mandril of vibration signal out, radial mode shape vibration excitor 50 or radial mode shape vibration excitor 60 acts on output shaft 32, makes output shaft 32 generate radial vibration, open axial mode vibration excitor 38 and provide vibration signal, the mandril of axial mode vibration excitor 38 acts on On bearing seat 35, bearing seat 35, which is generated, passes through six and angle head spiral shell with the identical horizontal vibration in 32 axial direction side of output shaft, bearing seat 35 Bolt 36 and plain cushion 37 drive 34 axial vibration of magnetic powder brake, and magnetic powder brake 34 drives output shaft 32 to produce further through shaft coupling 33 Raw axial vibration, magnetic powder brake 34 provides signal at the same time, drives output shaft 32 to generate twisting vibration by shaft coupling 33, Output shaft 32 produces radial vibration, axial vibration and the twisting vibration in one direction simultaneously at this time, due to being installed by test system In on output shaft 32, therefore radial vibration, axial vibration and twisting vibration in one direction are equally also obtained by test system, thus It realizes by test system simultaneously by the combined loading test of radial vibration, axial vibration and twisting vibration in one direction.
Testing program 11 (bears two-way radial vibration, axial vibration and twisting vibration by test system):
It when to being tested by test system, will be first installed on by test system on output shaft 32, while be placed in sealing test cabin In 67, start motor 4, gear pump 2 is driven by shaft coupling 3, water at atmospheric pressure is converted into high pressure water, pressure is worked as in supply pressure cabin 47 After water in power cabin 47 fills up, the reading of pressure gauge 24 is observed, when reaching setting value, stops motor 4 and operates, due to shaft coupling 3 effect gear pump 2 stops supplying water, and at this time due to the effect of check valve 57, realizes the liquid pressure maintaining of pressure chamber 47, starts motor 11, it drives output shaft 32 to be rotated by shaft coupling 15, opens radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 is given The mandril of vibration signal out, radial mode shape vibration excitor 50 and radial mode shape vibration excitor 60 acts on output shaft 32, makes output shaft 32 generate two-way radial vibration, open axial mode vibration excitor 38 and provide vibration signal, the mandril of axial mode vibration excitor 38 It acts on bearing seat 35, generates bearing seat 35 and pass through six with the identical horizontal vibration in 32 axial direction side of output shaft, bearing seat 35 34 axial vibration of magnetic powder brake is driven with hex bolt 36 and plain cushion 37, magnetic powder brake 34 drives defeated further through shaft coupling 33 Shaft 32 generates axial vibration, and magnetic powder brake 34 provides signal at the same time, drives output shaft 32 to generate by shaft coupling 33 Twisting vibration, output shaft 32 produces radial vibration, axial vibration and the twisting vibration on two-way simultaneously at this time, since subject is It unites on installation and output shaft 32, therefore is equally also obtained radial vibration, axial vibration and twisting vibration on two-way by test system, To realize by test system simultaneously by the simulation test of radial vibration, axial vibration and twisting vibration on two-way.
The utility model can be tested out by test system in highly pressurised liquid environment, reversed, axially and/or radially shaken The reliability or sealing performance that tested sealing device when dynamic influence is showed.
Above embodiments are only to illustrate rather than limit the technical solution of the utility model, although referring to above-described embodiment pair The utility model is described in detail, those skilled in the art should understand that: still can to the utility model into Row modification or equivalent replacement should all without departing from any modification or partial replacement of the spirit and scope of the utility model Cover in the scope of the claims of the utility model.
In the description of the present invention, it should be understood that term "front", "rear", on ", "lower", "left", "right", The orientation or positional relationship of the instructions such as " centre " and " one " is to be based on the orientation or positional relationship shown in the drawings, and is only for convenient for retouching It states the utility model and simplifies description, rather than indicate or imply signified device or element and must have a particular orientation, be Specific orientation construction and operation, thus should not be understood as the limitation that content is protected to the utility model.

Claims (10)

1. a kind of sealing performance test experiments platform, including tentative module, power plant module, exciting module, water supply module and draining Module, it is characterised in that: the tentative module includes pressure chamber (47), sealing test cabin (67) and mechanically-sealing apparatus, pressure Cabin (47), which is given, provides highly pressurised liquid by test system (66), is installed in sealing test cabin (67) by test system (66), sealing test It is internal that cabin (67) is embedded in pressure chamber (47);
The power plant module includes that driving device and the output shaft (32) with driving device transmission connection, output shaft cross sealing Test chamber (67), by test system (66) and pressure chamber (47), provide the power of rotation to by test system (66);Pressure chamber (47) is logical Mechanically-sealing apparatus is crossed to be connected with output shaft (32);
The exciting module includes the magnetic powder brake (34) for applying twisting vibration, the axial mode vibration excitor for applying axial vibration (38) and/or apply radial vibration radial mode shape vibration excitor;
The water supply module is to pressure chamber (47) high service;The drain module is respectively to pressure chamber (47) and sealing test cabin (67) it drains.
2. sealing performance test experiments platform according to claim 1, it is characterised in that: the pressure chamber of the tentative module (47) transparent material by light transmittance higher than 90% is made;
Pressure chamber (47) includes upper cabin (47-1), packing (47-2) and lower cabin (47-3), wherein cabin passes through groove up and down Interior packing (47-2) is sealed;
The internal bottom of pressure chamber (47) is equipped with the boss for being supported to sealing test cabin (67);
Lip block is disposed with below pressure chamber (47) between platform base (42), lip block height is higher than modality vibration exciter Height;
It is located above output shaft (32) in pressure chamber (47) and is disposed with pressure gauge (24), pressure chamber (47) arranges slotted-angle shelving in vitro (14) it is reinforced, slotted-angle shelving (14) is left and right subdivision form.
3. sealing performance test experiments platform according to claim 1, it is characterised in that: the sealing test cabin (67) is Left and right subdivision structure including the detachable left split mechanical seals lid (13) being fixedly connected and right split mechanical seals lid (21), and passes through The O-ring being arranged at faying face realizes the static seal of left split mechanical seals lid (13) and right split mechanical seals lid (21).
4. sealing performance test experiments platform according to claim 1, it is characterised in that: the mechanically-sealing apparatus includes O-ring (22), stationary ring (23), rotating ring (25), O-ring (26), compressed spring (28) and rotating seat (29), stationary ring (23) gap set It is located on output shaft (32), and is fixedly connected with pressure chamber (47), stationary ring (23) and the faying face arrangement of pressure chamber (47) are O-shaped Enclose the static seal of (22) realization and pressure chamber (47);
Rotating seat (29) fixing sleeve is set on output shaft (32) and limits rotating ring in it, and rotating seat (29), which can drive, to be limited in it Rotating ring (25) rotated together with output shaft (32);Axial compressed spring (28), compressed spring are provided in rotating seat (29) (28) rotating ring (25) is resisted against on stationary ring (23) and realizes dynamic sealing;It is set at the faying face of rotating ring and rotating seat O-ring (26), it is real The static seal of existing rotating ring (25) and rotating seat (29);
Lantern ring (27) are set between compressed spring (28) and rotating ring (25), lantern ring (27) and rotating ring (25) with abut against, a TongAn Loaded in rotating seat (29);
Rotating seat (29) is fixed on output shaft (32) by holding screw (30), inner hole side and output shaft in rotating seat (29) (32) joint is equipped with groove, and groove is provided with the static seal of O-ring (31) realization and output shaft (32).
5. sealing performance test experiments platform according to claim 1, it is characterised in that: the driving of the power plant module fills It is set to motor (11), motor (11) is fixed on motor cabinet (8), and motor (11) main shaft passes through shaft coupling (15) and output shaft (32) be connected, output shaft (32) cross the pressure chamber (47) of tentative module, sealing test cabin (67), by test system (66) and machinery Sealing device passes through the power rotor of shaft coupling (33) and the magnetic powder brake (34) of exciting module in the end of output shaft (32) It is connected.
6. sealing performance test experiments platform according to claim 1-5, it is characterised in that: the radial mode shape There are two vibration excitor arrangements, respectively radial mode shape vibration excitor (50) and radial mode shape vibration excitor (60);Radial mode shape vibration excitor (50) and radial mode shape vibration excitor (60) is in 90 ° of center of circle angle arrangements.
7. sealing performance test experiments platform according to claim 6, it is characterised in that: the radial mode shape vibration excitor (60) it is arranged at plumb position, radial mode shape vibration excitor (50) is arranged in horizontal position.
8. sealing performance test experiments platform according to claim 6, it is characterised in that: the magnetic powder system of the exciting module Dynamic device (34) are fixedly connected with bearing seat (35), and bearing seat (35) is placed on support base (44) simultaneously and it is in output shaft (32) It is slidably matched on axial direction;Support base (44) is fixed on platform base (42);
Spring base (46) are equipped on the left of bearing seat (35), are disposed with compressed spring between spring base (46) and bearing seat (35) (45), it is connected on the right side of bearing seat (35) with the mandril of axial mode vibration excitor (38), axis modality vibration exciter (38) and platform base (42) it is fixedly connected;
Radial mode shape vibration excitor (50) is fixedly connected with platform base (42), and is installed between two rectangle cushion blocks, radial mode The mandril of state vibration excitor (50) passes through pressure chamber (47) and the excircle of output shaft (32) abuts against;
Radial mode shape vibration excitor (60) is fixedly connected with the bracket (61) being fixed on platform base (42), radial mode shape exciting The mandril of device (60) passes through pressure chamber (47) and the excircle of output shaft (32) abuts against;
The mandril arrangement in 90 ° of radial mode shape vibration excitor (50) and radial mode shape vibration excitor (60), and in same vertical guide.
9. sealing performance test experiments platform according to claim 1, it is characterised in that: the water supply module includes water pump (2), water pump (2) is pumped into the water at atmospheric pressure of water tank (41) in water pump (2) by pipeline (51), and water at atmospheric pressure becomes after water pump (2) High pressure water;
The outlet of water pump (2) is equipped with check valve (57), is connect by check valve (57) and pipe fitting (1) with pressure chamber (47), It realizes to pressure chamber (47) high service;
Platform base (42) is equipped with the guide groove parallel with output shaft (32) axial direction, and water pump (2) is installed on platform base (42), it can be achieved that axial distance adjusts at guide groove on.
10. sealing performance test experiments platform according to claim 1, it is characterised in that: the drain module includes connecting The blow-off line one (63) that is connected on pressure chamber (47) and the drainpipe (54) for being connected to sealing test bilge portion, drainpipe (54) The other end runs in sink (56) by lead-in wire sealing (55);
Blow-off line one (63) one end is connected by lead-in wire sealing (55) with the bottom of pressure chamber (47), blow-off line one (63) The other end is connected by connector with drainage switch (64), and drainage switch (64) passes through blow-off line two (65) and water tank (41) phase Even.
CN201821996489.2U 2018-11-30 2018-11-30 A kind of sealing performance test experiments platform Active CN209085865U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109580121A (en) * 2018-11-30 2019-04-05 河南理工大学 A kind of multifunctional containment performance test platform
CN111122070A (en) * 2019-12-31 2020-05-08 京信通信技术(广州)有限公司 Automatic test method, automatic test system and auxiliary test device
CN113324715A (en) * 2020-02-28 2021-08-31 中国石油天然气股份有限公司 Device for detecting sealing performance of refiner pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109580121A (en) * 2018-11-30 2019-04-05 河南理工大学 A kind of multifunctional containment performance test platform
CN109580121B (en) * 2018-11-30 2024-01-26 河南理工大学 Multifunctional sealing performance test platform
CN111122070A (en) * 2019-12-31 2020-05-08 京信通信技术(广州)有限公司 Automatic test method, automatic test system and auxiliary test device
CN111122070B (en) * 2019-12-31 2021-08-24 京信通信技术(广州)有限公司 Automatic test method, automatic test system and auxiliary test device
CN113324715A (en) * 2020-02-28 2021-08-31 中国石油天然气股份有限公司 Device for detecting sealing performance of refiner pump
CN113324715B (en) * 2020-02-28 2022-10-04 中国石油天然气股份有限公司 Device for detecting sealing performance of refiner pump

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