CN105179263B - A kind of major cycle sodium pump hydrostatic bearing assay device - Google Patents
A kind of major cycle sodium pump hydrostatic bearing assay device Download PDFInfo
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- CN105179263B CN105179263B CN201510512692.2A CN201510512692A CN105179263B CN 105179263 B CN105179263 B CN 105179263B CN 201510512692 A CN201510512692 A CN 201510512692A CN 105179263 B CN105179263 B CN 105179263B
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Abstract
The invention discloses a kind of major cycle sodium pump hydrostatic bearing assay device；Including pond, test pump, export pipeline and leakage line；Test pump, including pump shaft and impeller, pump shaft stretch into the water surface in pond straight down, and impeller is socketed in the bottom of pump shaft；The bottom connection reducing pipe of impeller, the radial outside socket guide blade sleeve of impeller, the bottom connection outlet pipeline of guide blade sleeve；Hydrostatic bearing is socketed with pump shaft, and the bottom surface of hydrostatic bearing is fixed with the top surface of guide blade sleeve, forms static pressure chamber；Position corresponding with static pressure chamber is provided with back pressure measurement apparatus；Lower shaft sleeve is additionally provided between hydrostatic bearing and pump shaft, throttle chink and axle offset chamber between hydrostatic bearing and Lower shaft sleeve, is formed；Position corresponding with throttle chink is provided with pressure drop measurement device, and position corresponding with axle offset chamber is provided with shaft displacement probe；The top surface of hydrostatic bearing is fixed with support and the support of bearing, and the leakage chamber of a top seal is formed between support, the support of bearing, hydrostatic bearing and pump shaft, and leakage chamber connects leakage line by the leak on hydrostatic bearing.
Description
Technical field
The present invention relates to nuclear power equips a kind of major cycle sodium pump hydrostatic bearing assay device in field.
Background technology
Major cycle sodium pump is one of key core equipment of traveling wave heap, and hydrostatic bearing is the crucial portion of major cycle sodium pump
Part ingredient, the hydrostatic bearing are related to master and follow sodium pump reliability of operation.The major cycle sodium pump hydrostatic bearing of current China
All by external import, in order to strengthen the development of China's nuclear power production domesticization, the resource of national foreign exchange is saved, it is quiet to major cycle sodium pump
It is inexorable trend that last item holds and carries out production domesticization.
Therefore it is very necessary by the performance of experimental study hydrostatic bearing.Major cycle sodium pump hydrostatic bearing assay device is used for
The bearing capacity and eccentricity of pressure drop and hydrostatic bearing in the economy of static pressure intracavity of research hydrostatic bearing, throttle chink
Relation.
Not yet there is the report of major cycle sodium pump hydrostatic bearing assay device the country.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, there is provided a kind of major cycle sodium pump hydrostatic bearing test dress
Put, which can measure pressure drop and the carrying of hydrostatic bearing in the economy of the static pressure intracavity of hydrostatic bearing, throttle chink simultaneously
The relation of power and eccentricity.
A kind of technical scheme for realizing above-mentioned purpose is：A kind of major cycle sodium pump hydrostatic bearing assay device；
The hydrostatic bearing includes：Bearing body, and correspondence positioned at the bearing body upper and lower ends upper bearing (metal) flange and
Lower bearing flange, the upper bearing (metal) flange are provided with a leak, and the lower bearing flange is provided with radial direction back pressure through hole, institute
State the inner peripheral wall of bearing body, be sequentially provided with axle offset cannelure and throttling channel from top to bottom, be additionally provided with the bearing body with
First radial direction through hole and the second radial direction through hole of the axle offset cannelure connection, first radial direction through hole is higher than described second
Radial direction through hole, the outer circle wall of the bearing body are provided with pressure drop helicla flute；
The major cycle sodium pump hydrostatic bearing assay device, including pond, test pump, export pipeline and leakage line；
The test pump, including pump shaft and impeller, the pump shaft stretch into the water surface in the pond, the impeller straight down
It is socketed in the bottom of the pump shaft；The bottom connection reducing pipe of the impeller, the radial outside socket guide blade sleeve of the impeller, institute
State the bottom connection outlet pipeline of guide blade sleeve；
The hydrostatic bearing is socketed with the pump shaft, and the top surface of the bottom surface of the hydrostatic bearing and the guide blade sleeve is fixed,
Make between the impeller and the hydrostatic bearing, to form static pressure chamber；It is provided with the radial direction back pressure through hole for measuring the static pressure
The back pressure measurement apparatus of intracavity back pressure；
Lower shaft sleeve, the throttling channel of the hydrostatic bearing and the lower axle are additionally provided between the hydrostatic bearing and the pump shaft
Throttle chink is formed between set, axle offset chamber between the axial dipole field groove and the Lower shaft sleeve of the hydrostatic bearing, is formed；
The pressure drop for measuring pressure drop in the throttle chink is provided with the pressure drop helicla flute of the hydrostatic bearing
Measurement apparatus, are provided with shaft displacement probe in first radial direction through hole and the second radial direction through hole of the hydrostatic bearing；
The top surface of the hydrostatic bearing is fixed with one and is socketed support with the pump shaft, by the test pump in vertical direction
Upper fixation, also fixes the support of bearing of and pump shaft socket, the support, the support of bearing, institute on the support
The leakage chamber that a top seal is formed between hydrostatic bearing and the pump shaft is stated, the height of the leakage intracavity water surface is higher than institute
State the height of the pond water surface；The leakage chamber connects the leakage line by the leak on the hydrostatic bearing；
The upper bearing (metal) of one and pump shaft socket is fixed with the support of bearing, above the upper bearing (metal), one is provided with
Individual motor rack, the motor rack are provided between the top of motor, the motor and the pump shaft and are connected by shaft coupling；
The export pipeline switchs to level after stretching out the water surface in the pond straight up, and by positioned at the flat of the pond
Horizontal pipe holder on platform is supported；
After the leakage line stretches out the water surface in the pond straight up, level is floated on the water surface in the pond.
Further, the static pressure intracavity is provided with the impeller top surface, and the bottom surface with the hydrostatic bearing
Detached eccentric block.
Further, the Upper shaft sleeve with pump shaft socket, the top surface of the Upper shaft sleeve are provided with above the Lower shaft sleeve
Contour with the water surface in the pond, the bottom of the Upper shaft sleeve is connected with the Lower shaft sleeve below the water surface in the pond；Institute
The radial outside for stating Upper shaft sleeve is socketed with current stabilization cover, and the bottom surface of the current stabilization cover is fixed with the top surface of the hydrostatic bearing.
Further, the support is included with pump shaft socket for by the support and the hydrostatic bearing top surface
Fixed lower support ring, positioned at the lower lower supporting plate for supporting top surface of ring radial outside, positioned at the lower supporting plate top surface footpath
Upper support ring laterally, and positioned at it is described it is upper support top surface of ring radial outside, for by the test pump in vertical direction
The upper backup pad of upper fixation；
The support of bearing is divided into support base plate and the rack body on the support plate top surface excircle, institute
The top surface for stating support base plate is provided with one block of shrouding, by the top seal of the leakage chamber.
Further, the excircle of the upper bearing (metal) is provided with a bearing spider, and the upper bearing (metal) passes through the axle
Hold bearing to be fixed on the top surface of rack body, the motor rack is fixed on the top surface of the bearing spider.
Further, the export pipeline includes being sequentially connected by anchor ear stator socket pipe, submerged level pipe, under water
Bend pipe, VERTICAL TUBE, bend pipe waterborne and horizontal tube waterborne, the stator socket pipe connect the guide blade sleeve, the horizontal tube waterborne
Horizontal pipe holder is provided with and the platform in the pond between, the end of the horizontal tube waterborne is provided with outlet valve, described waterborne
Turbine flowmeter and pressure transducer are provided with horizontal tube.
Further, the export pipeline is also included for by the stator socket pipe, the submerged level pipe, institute
State bend pipe under water and the VERTICAL TUBE supports fixed support under water, the support to be under water made up of channel-section steel.
Further, the leakage line includes leak adapter, the level being connected with the leak of the hydrostatic bearing
Float on the blow-by tube on the water surface in the pond, and connect the leak adapter below the water surface in the pond, in institute
The transfer tube that more than the water surface in pond connects the blow-by tube is stated, leakage stream gauge in the blow-by tube, is provided with.
Further, the back pressure measurement apparatus include the back pressure measuring instrument in the radial direction back pressure through hole, connection
The back pressure measurement pipe of the back pressure measuring instrument, and in the back of the body of water surface one end that the pond is stretched out positioned at the back pressure measurement pipe
Pressure measurement ball valve；The pressure drop spiral fluted radially opposite sides of the hydrostatic bearing are respectively equipped with the pressure contour with the throttling channel
Interface, two pressure interfaces connect a pressure drop measurement pipe respectively, and two pressure drop measurement pipes are emersed
One end is equipped with pressure drop measurement ball valve, the pressure interface, the pressure drop measurement pipe and the pressure drop measurement ball valve group
Into the pressure drop measurement device.
Employ a kind of technical scheme of major cycle sodium pump hydrostatic bearing assay device of the present invention；Including pond, test
Pump, hydrostatic bearing, export pipeline and leakage line；The test pump, including pump shaft and impeller, the pump shaft are stretched into straight down
The water surface in the pond, the impeller are socketed in the bottom of the pump shaft；The bottom connection reducing pipe of the impeller, the impeller
Radial outside socket guide blade sleeve, the bottom of the guide blade sleeve connects the export pipeline；The hydrostatic bearing and the pump shaft
Socket, the top surface of the bottom surface of the hydrostatic bearing and the guide blade sleeve are fixed, and form static pressure chamber；Position corresponding with the static pressure chamber
Back pressure measurement apparatus are installed；Be additionally provided with Lower shaft sleeve between the hydrostatic bearing and the pump shaft, the hydrostatic bearing with it is described
Throttle chink and axle offset chamber are formed between Lower shaft sleeve；Position corresponding with the throttle chink is provided with pressure drop measurement device,
Position corresponding with the axle offset chamber is provided with shaft displacement probe；The top surface of the hydrostatic bearing is fixed with support and bearing
Frame, forms the leakage chamber of a top seal between the support, the support of bearing, the hydrostatic bearing and the pump shaft,
The leakage chamber connects leakage line by the leak on hydrostatic bearing, and the height of the leakage intracavity water surface is higher than the water
The height of the water surface in pond.Which has the technical effect that：Which can measure the economy of the static pressure intracavity of hydrostatic bearing, throttle chink simultaneously
The bearing capacity of interior pressure drop and hydrostatic bearing and the relation of eccentricity.
Description of the drawings
Structural representations of the Fig. 1 for the hydrostatic bearing in major cycle sodium pump.
Fig. 2 is the structural representation of test pump in a kind of major cycle sodium pump hydrostatic bearing assay device of the invention.
Fig. 3 is a kind of structural representation of major cycle sodium pump hydrostatic bearing assay device of the present invention.
Fig. 4 is a kind of top view of major cycle sodium pump hydrostatic bearing assay device of the present invention.
Specific embodiment
Refer to Fig. 1 to Fig. 4, the present inventor in order to be able to preferably understand to technical scheme,
Below by specifically embodiment, and combine accompanying drawing and be described in detail：
Hydrostatic bearing 1 in major cycle sodium pump includes bearing body 11, and correspondence positioned at the upper of 11 upper and lower ends of bearing body
Bearing flange 12 and lower bearing flange 13.Wherein upper bearing (metal) flange 12 is provided with the upper spiral shell arranged around 12 circumference of upper bearing (metal) flange
Bolt throughhole 121, and a leak 122.Leak 122 is located at the radially inner side of upper bolt hole 121.Lower bearing flange 13
It is provided with the lower bolt hole 131 arranged around 13 circumference of lower bearing flange.The inner peripheral wall of bearing body 11, from top to bottom successively
It is provided with axle offset cannelure 14 and throttling channel 15.First connected with axle offset cannelure 14 is additionally provided with bearing body 11 radially logical
Hole 16 and the second radial direction through hole 17.The position of the first radial direction through hole 16 is higher than the second radial direction through hole 17.First radial direction through hole, 16 He
Radially opposite sides of the correspondence of second radial direction through hole 17 positioned at bearing body 11.Pressure drop spiral is provided with the outer circle wall of bearing body 11
Groove 18.Radial direction back pressure through hole 19 is additionally provided with lower bearing flange 13.
A kind of major cycle sodium pump assay device of the present invention includes test pump 2, export pipeline 3, leakage line 4 and pond 9.
Test pump 2 includes pump shaft 21 and impeller 22, and pump shaft 21 is stretched in pond 9 from top to bottom, vertically, and impeller 22 is socketed in
The bottom of pump shaft 21.Positioned at the water inlet connection reducing pipe 23 of 22 bottom radial center of impeller, reducing pipe 23 is for by pond 9
Water import test pump 2.The radial outside socket guide blade sleeve 24 of impeller 22, the bottom connection outlet pipeline 3 of guide blade sleeve 24.From leaf
The water for taking turns the outlet outflow of 22 radial outsides flows into export pipeline 3 by guide blade sleeve 24, discharges test pump 2.
Hydrostatic bearing 1 is socketed with pump shaft 21 in the top of impeller 22.Lower shaft sleeve is provided between hydrostatic bearing 1 and pump shaft 21
211.The underrun of hydrostatic bearing 1 is located at the lower bolt hole 131 on the lower bearing flange 13 of hydrostatic bearing 1, and bolt
And nut, fix with guide blade sleeve 24.15 circular contact of throttling channel of Lower shaft sleeve 211 and hydrostatic bearing 1, to reduce from hydrostatic bearing
The leaking medium leaked in throttle chink 62 between 1 and Lower shaft sleeve 211, the i.e. amount of water.The top surface and hydrostatic bearing 1 of impeller 22
Bottom surface between form static pressure chamber 61, is provided with some eccentric blocks 221 on the top surface of impeller 22 in static pressure chamber 61.Eccentric block
221 position is adjustable.The top surface of eccentric block 221 is separated with 1 bottom surface of hydrostatic bearing.Radial direction back pressure through hole on lower bearing flange 13
19 with 61 insertion of static pressure chamber.
Eccentric block 221 is used for the bearing capacity for detecting hydrostatic bearing 1.
A back pressure measuring instrument 71, the connection back pressure of back pressure measuring instrument 71 measurement pipe 72, the back of the body are provided with radial direction back pressure through hole 19
Pressure measurement pipe 72 stretches out the water surface in pond 9, and back pressure measurement pipe 72 is stretched out one end of the water surface in pond 9 and is provided with back pressure measurement ball valve
73, back pressure measuring instrument 71, back pressure measurement pipe 72 and back pressure measurement ball valve composition back pressure measurement apparatus.For measuring in static pressure chamber 61
Back pressure.
The throttle chink 62 of annular is formed between the throttling channel 15 and Lower shaft sleeve 211 of hydrostatic bearing 1.The pressure of hydrostatic bearing 1
The radially opposite sides of power drop helicla flute 18 are respectively provided with a pressure interface 74 contour with throttling channel 15, the connection pressure of pressure interface 74
Drop measurement pipe 75, pressure measuring tube 75 stretch out the water surface, and 75 emersed one end of pressure measuring tube is provided with pressure drop measurement ball valve
76, for measuring the pressure drop in throttle chink 62.76 groups of pressure interface 74, pressure drop measurement pipe 75 and pressure drop measurement ball valve
Into pressure drop measurement device.
Form axle offset chamber 63 between the axle offset cannelure 14 of Lower shaft sleeve 211 and hydrostatic bearing 1, the of hydrostatic bearing 1
One radial direction through hole 16 and the second radial direction through hole 17 are connected with axle offset chamber 63.In first radial direction through hole 16 and the second radial direction through hole 17
Shaft displacement probe 77 is provided with, for measuring the center displacement of pump shaft 21 in axle offset chamber 63.
Can be used to change the amount of unbalance of pump shaft 21 by the eccentric block 221 for installing different quality on impeller 22, respectively
Under the conditions of measurement different loads, the side-play amount of 21 center of rotation of pump shaft, is converted into eccentricity.
The top of Lower shaft sleeve 211 is provided with the Upper shaft sleeve 212 with the socket of pump shaft 21.212 points of Upper shaft sleeve be horizontal part 212a with
And the circumferential part 212b that the excircle around horizontal part 212a bottom surfaces is arranged.The wherein water in the bottom surface of horizontal part 212a and pond 9
Face is contour, and the bottom of circumferential part 212b is fixed with the top of Lower shaft sleeve 211 below the water surface in pond 9.Upper shaft sleeve 212 and pump shaft
A pump shaft chamber is formed between 21 radial directions.
The radial outside of Upper shaft sleeve 212 is socketed with current stabilization cover 25.The underrun screw of current stabilization cover 25 and hydrostatic bearing 1
Top surface is fixed.The top surface bottom of current stabilization cover 25 is in the water surface in pond 9.Current stabilization cover 25 ensure that from hydrostatic bearing 1 and Upper shaft sleeve 211 it
Between leak leaking medium flowing stability.
The top of hydrostatic bearing 1 is provided with support 26, and support 26 is provided with lower support ring 261, positioned at 261 top surface of lower support ring
The lower supporting plate 262 of radial outside, positioned at the upper support ring 263 of 262 top surface radial outside of lower supporting plate, and is located at upper support
The upper backup pad 264 of 263 top surface radial outside of ring.
The bottom of support ring 261 is wherein descended by screw bolt and nut, and the upper bolt hole 121 of upper bearing (metal) flange 12 with
The top surface of hydrostatic bearing 1 is fixed.Stretch out the water surface in pond 9 in the top of lower support ring 261.Upper backup pad 264 and a support are flat
Platform is fixed, so as to the position of 2 in the vertical direction of test pump is fixed.
The top surface of lower supporting plate 262 is fixed with a, support of bearing 27 with pump shaft 21 socket coaxial with support 26, axle
It is support base plate 271 and the rack body 272 on 271 top surface excircle of support base plate to hold 27 points of support.Support base plate
271 top surface is provided with one block of shrouding 273, makes the support of bearing 27, support 26, hydrostatic bearing 1, current stabilization cover 25,212 and of Upper shaft sleeve
The leakage chamber 64 of a top seal is formed between pump shaft 21, the height of the water surface is higher than 9 water surface of pond in leakage chamber 64, that is, leak
Height of the height of the water surface higher than the water surface outside leakage chamber 64 in chamber 64.
The leak 122 of upper bearing (metal) flange 12 of the leakage chamber 64 by hydrostatic bearing 1 connects leakage line 4.Leakage chamber 64
Interior water can produce agitation rotating with pump shaft 21, height of the height of the water surface higher than the water surface outside leakage chamber 64 in leakage chamber 64
Degree, the pressure rise in leakage chamber 64, the water in leakage chamber 63 are flowed out from leakage line 4.
The upper bearing (metal) 28 of one and the socket of pump shaft 21, upper axle are fixed with the top surface of the rack body 272 of the support of bearing 27
The excircle for holding 28 is provided with an annular bearing spider 281, and upper bearing (metal) 28 is fixed on the support of bearing by bearing spider 281
On the top surface of 27 rack body 272.SKF --- the 7340BCBM bearings that upper bearing (metal) 28 is adopted in the present embodiment.Bearing spider
Motor rack 29 is fixed on 281 top surface, motor 20 on the top surface of motor rack 29, is fixed, motor 20 is provided with drive shaft.Motor 20
Drive shaft and pump shaft 21 between connected by shaft coupling 213.
The rotation under the driving of motor 20 of pump shaft 21, so as to complete for the test of hydrostatic bearing 1.
The present invention a kind of major cycle sodium pump hydrostatic bearing assay device back pressure measuring instrument 71, back pressure measurement pipe 72 and the back of the body
Pressure in the pressure measurement measurement static pressure of ball valve 73 chamber 61, with pressure interface 74, pressure drop measurement pipe 75 and pressure drop measurement ball valve
Pressure drop in 76 measurement throttle chinks 62, with shaft displacement probe 77, measures the bearing capacity and 1 eccentricity of pump shaft of hydrostatic bearing 1
Relation, and the detection to 1 lubricant medium amount of hydrostatic bearing.
Export pipeline 3 includes stator socket pipe 31, the submerged level pipe 32 being sequentially connected, under water bend pipe 33, VERTICAL TUBE 34,
Bend pipe waterborne 35 and horizontal tube waterborne 36.Stator socket pipe 31 connects guide blade sleeve 24, stator socket pipe 31 and submerged level pipe 32
Between, submerged level pipe 32 and under water between bend pipe 33, under water between bend pipe 33 and VERTICAL TUBE 34, VERTICAL TUBE 34 and bend pipe waterborne
Between 35, and connected by anchor ear between bend pipe waterborne 35 and horizontal tube waterborne 36.Wherein stator socket pipe 31, under water water
Flat pipe 32, under water bend pipe 33 be respectively positioned on below the water surface in pond 9, VERTICAL TUBE 34 stretches out the water surface in pond 9 straight up.It is waterborne
Bend pipe 35 and horizontal tube waterborne 36 are located at more than the water surface in pond 9, also are provided with anchor ear on the outer circle wall of horizontal tube waterborne 36.Water
Horizontal pipe holder 361 is provided between the platform 91 in upper horizontal tube 36 and pond 9.The end of horizontal tube waterborne 36 is provided with outlet valve
364.Turbine flowmeter 362 is provided with horizontal tube waterborne 36, for measuring the flow of the lubricant medium of hydrostatic bearing 1, i.e. water.Water
Upper horizontal tube 36 is provided with pressure transducer 363 with 35 junction of bend pipe waterborne, for measuring the pressure in export pipeline 3.Level
The effect of pipe holder 361 is to ensure to reduce unnecessary vibration during pressure and flow measurement in export pipeline 3.
Export pipeline 3 also includes that bend pipe 33 and VERTICAL TUBE 34 support solid under water by stator socket pipe 31, submerged level pipe 32
Fixed support 39 under water.Support 39 is made up of channel-section steel under water.The effect of support 39 under water be ensure export pipeline 3 in pressure and
Unnecessary vibration is reduced during flow measurement.
Economy of the export pipeline 3 in the static pressure chamber 61 for measuring hydrostatic bearing 1 simultaneously by test pump 2, throttling seam
In gap 62 during the relation of the bearing capacity of pressure drop and hydrostatic bearing and eccentricity, make to major cycle sodium pump hydrostatic bearing test pump
Rate of discharge and outlet pressure carry out accurately safely detecting becomes possibility, improves the safety of test.
Leakage line 4 includes that the leak adapter 41, level being connected with the leak 122 of hydrostatic bearing 1 floats on pond 9
Blow-by tube 42 on the water surface, and transfer tube 43, the subsea end of transfer tube 43 connect leak adapter below the water surface in pond 9
41, the end waterborne of transfer tube 43 connects blow-by tube 42 more than the water surface in pond 9.Between leak adapter 41 and transfer tube 43,
And connected by flange between transfer tube 43 and blow-by tube 42.Leakage stream gauge 44 is provided with blow-by tube 42, for measuring
The leakage rate of the leaking medium leaked in the throttle chink 62 between hydrostatic bearing 1 and Lower shaft sleeve 211, because flowing into leakage chamber
64 and flow into leakage chamber 64 water amount must keep balance.42 level of blow-by tube floats on leakage is ensure that on the water surface in pond 9
The accuracy of dielectric leakage measurement.
While a kind of major cycle sodium pump hydrostatic bearing assay device of the invention is further equipped with isolating transformer and (does not show in figure
Show), for controlled motor 20.
A kind of major cycle sodium pump hydrostatic bearing assay device of the present invention, can be directed in the static pressure chamber 61 of hydrostatic bearing 1
Back pressure carries out real-time monitoring, and the bearing capacity and eccentricity of hydrostatic bearing 1 are detected, to hydrostatic bearing 1 and Lower shaft sleeve 211 it
Between throttle chink 62 pressure drop, and the leakage rate of lubricant medium detected, and ensures lubricant medium in detection process
Leakage rate stability；Eccentric shaft displacement to pump shaft 21 is detected.Anchor ear on export pipeline 3, and support under water
39 frequency of vibration for reducing a kind of major cycle sodium pump hydrostatic bearing assay device of the invention, it is ensured that the accuracy of measurement result.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all fall in the range of claims of the present invention.
Claims (9)
1. a kind of major cycle sodium pump hydrostatic bearing assay device；
The hydrostatic bearing includes：Bearing body, and correspondence is positioned at the upper bearing (metal) flange and lower axle of the bearing body upper and lower ends
Flange is held, the upper bearing (metal) flange is provided with a leak, and the lower bearing flange is provided with radial direction back pressure through hole, the axle
Hold the inner peripheral wall of body, be sequentially provided with axle offset cannelure and throttling channel from top to bottom, be additionally provided with the bearing body with it is described
First radial direction through hole and the second radial direction through hole of axle offset cannelure connection, first radial direction through hole is higher than described second radially
Through hole, the outer circle wall of the bearing body are provided with pressure drop helicla flute；
The major cycle sodium pump hydrostatic bearing assay device, including pond, test pump, export pipeline and leakage line；Its feature exists
In：
The test pump, including pump shaft and impeller, the pump shaft stretch into the water surface in the pond, the impeller socket straight down
In the bottom of the pump shaft；The bottom connection reducing pipe of the impeller, the radial outside socket guide blade sleeve of the impeller are described to lead
The bottom connection outlet pipeline of leaf set；
The hydrostatic bearing is socketed with the pump shaft, and the top surface of the bottom surface of the hydrostatic bearing and the guide blade sleeve is fixed, and makes institute
State；It is provided with the radial direction back pressure through hole for measuring the static pressure intracavity
The back pressure measurement apparatus of back pressure；
Be additionally provided with Lower shaft sleeve between the hydrostatic bearing and the pump shaft, the throttling channel of the hydrostatic bearing and the Lower shaft sleeve it
Between form throttle chink, axle offset chamber is formed between the axial dipole field groove and the Lower shaft sleeve of the hydrostatic bearing；
The pressure drop measurement for measuring pressure drop in the throttle chink is provided with the pressure drop helicla flute of the hydrostatic bearing
Device, is provided with shaft displacement probe in first radial direction through hole and the second radial direction through hole of the hydrostatic bearing；
The top surface of the hydrostatic bearing is fixed with one and is socketed support with the pump shaft, and the test pump in the vertical direction is solid
It is fixed, also fix the support of bearing of and pump shaft socket on the support, it is the support, the support of bearing, described quiet
Last item holds the leakage chamber that a top seal is formed and the pump shaft between, and the height of the leakage intracavity water surface is higher than the water
The height in water face；The leakage chamber connects the leakage line by the leak on the hydrostatic bearing；
Be fixed with the support of bearing one and the pump shaft socket upper bearing (metal), be provided with above the upper bearing (metal) one it is electric
Frame, the motor rack are provided between the top of motor, the motor and the pump shaft and are connected by shaft coupling；
The export pipeline switchs to level after stretching out the water surface in the pond straight up, and by the platform in the pond
Horizontal pipe holder support；
After the leakage line stretches out the water surface in the pond straight up, level is floated on the water surface in the pond.
2. a kind of major cycle sodium pump hydrostatic bearing assay device according to claim 1；It is characterized in that：The static pressure chamber
Inside it is provided with the impeller top surface, and eccentric block detached with the bottom surface of the hydrostatic bearing.
3. a kind of major cycle sodium pump hydrostatic bearing assay device according to claim 1；It is characterized in that：The Lower shaft sleeve
Top be provided with the Upper shaft sleeve with pump shaft socket, the top surface of the Upper shaft sleeve is contour with the water surface in the pond, it is described on
The bottom of axle sleeve is connected with the Lower shaft sleeve below the water surface in the pond；The radial outside of the Upper shaft sleeve is socketed with current stabilization
Cover, the bottom surface of the current stabilization cover is fixed with the top surface of the hydrostatic bearing.
4. a kind of major cycle sodium pump hydrostatic bearing assay device according to claim 1；It is characterized in that：The support bag
Include with pump shaft socket for lower support ring that the support is fixed with the hydrostatic bearing top surface, positioned at described lower
The lower supporting plate of pushing out ring top surface radial outside, positioned at the upper support ring of the lower supporting plate top surface radial outside, and is located at institute
State and support top surface of ring radial outside, for the upper backup pad for fixing the test pump in the vertical direction；
The support of bearing is divided into support base plate and the rack body on the support plate top surface excircle, described
The top surface of frame base plate is provided with one block of shrouding, by the top seal of the leakage chamber.
5. a kind of major cycle sodium pump hydrostatic bearing assay device according to claim 4；It is characterized in that：The upper bearing (metal)
Excircle be provided with a bearing spider, the upper bearing (metal) is fixed on the top surface of rack body by the bearing spider,
The motor rack is fixed on the top surface of the bearing spider.
6. a kind of major cycle sodium pump hydrostatic bearing assay device according to claim 1；It is characterized in that：The outlet
Stator socket pipe that road includes being sequentially connected by anchor ear, under water submerged level pipe, bend pipe, VERTICAL TUBE, bend pipe waterborne and waterborne
Horizontal tube, the stator socket pipe connect the guide blade sleeve, are provided with water between the horizontal tube waterborne and the platform in the pond
Flat pipe holder, the end of the horizontal tube waterborne are provided with outlet valve, be provided with the horizontal tube waterborne turbine flowmeter and
Pressure transducer.
7. a kind of major cycle sodium pump hydrostatic bearing assay device according to claim 6；It is characterized in that：The outlet
Road is also included for the stator socket pipe, the submerged level pipe, the bend pipe under water and the VERTICAL TUBE are supported solid
Fixed support under water, the support under water are made up of channel-section steel.
8. a kind of major cycle sodium pump hydrostatic bearing assay device according to claim 1；It is characterized in that：The blow-by tube
Road includes the leak adapter being connected with the leak of the hydrostatic bearing, and level floats on the leakage on the water surface in the pond
Pipe, and connect leak adapter below the water surface in the pond, let out described in connection more than the water surface in the pond
The transfer tube of fistulae, is provided with leakage stream gauge in the blow-by tube.
9. a kind of major cycle sodium pump hydrostatic bearing assay device according to claim 1, it is characterised in that：The back pressure is surveyed
Amount device includes the back pressure measuring instrument in the radial direction back pressure through hole, connects the back pressure measurement pipe of the back pressure measuring instrument,
And in the back pressure measurement ball valve of water surface one end that the pond is stretched out positioned at the back pressure measurement pipe；The pressure of the hydrostatic bearing
Power drop spiral fluted radially opposite sides are respectively equipped with the pressure interface contour with the throttling channel, and two pressure interfaces connect respectively
Connect a pressure drop measurement pipe, the emersed one end of two pressure drop measurement pipes is equipped with pressure drop measurement ball valve, institute
State pressure interface, the pressure drop measurement pipe and the pressure drop measurement ball valve and constitute the pressure drop measurement device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512692.2A CN105179263B (en) | 2015-08-20 | 2015-08-20 | A kind of major cycle sodium pump hydrostatic bearing assay device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512692.2A CN105179263B (en) | 2015-08-20 | 2015-08-20 | A kind of major cycle sodium pump hydrostatic bearing assay device |
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| CN105179263A CN105179263A (en) | 2015-12-23 |
| CN105179263B true CN105179263B (en) | 2017-03-29 |
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| CN110107506A (en) * | 2019-06-18 | 2019-08-09 | 上海阿波罗机械股份有限公司 | A kind of vertical centrifugal pump for lead bismuth reactor-loop |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288410A (en) * | 2011-07-11 | 2011-12-21 | 大连理工大学 | Large-scale bearing test table having hydrostatic loading closed structure |
| CN103543011A (en) * | 2013-10-11 | 2014-01-29 | 华中科技大学 | Static-pressure bearing test stand |
| CN104807638A (en) * | 2015-04-13 | 2015-07-29 | 河南科技大学 | Experimental device for testing hydrostatic bearings |
| CN205036598U (en) * | 2015-08-20 | 2016-02-17 | 上海阿波罗机械股份有限公司 | Main circulating sodium pump hydrostatic bearing test device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3826977B2 (en) * | 1997-10-20 | 2006-09-27 | 株式会社ニコン | Fluid hydrostatic bearing characteristic measuring device, fluid hydrostatic bearing characteristic measuring method, and positioning device dynamic characteristic determining method |
| US7461532B2 (en) * | 2005-02-08 | 2008-12-09 | Morgan Construction Company | Monitoring and alarm system for rolling mill oil film bearings |
| JP5308852B2 (en) * | 2009-02-03 | 2013-10-09 | オークマ株式会社 | Method and device for determining lubrication state of rolling bearing |
-
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- 2015-08-20 CN CN201510512692.2A patent/CN105179263B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288410A (en) * | 2011-07-11 | 2011-12-21 | 大连理工大学 | Large-scale bearing test table having hydrostatic loading closed structure |
| CN103543011A (en) * | 2013-10-11 | 2014-01-29 | 华中科技大学 | Static-pressure bearing test stand |
| CN104807638A (en) * | 2015-04-13 | 2015-07-29 | 河南科技大学 | Experimental device for testing hydrostatic bearings |
| CN205036598U (en) * | 2015-08-20 | 2016-02-17 | 上海阿波罗机械股份有限公司 | Main circulating sodium pump hydrostatic bearing test device |
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