CN107575400A - A kind of vertical shield pump rotor axial force test device and method of testing - Google Patents
A kind of vertical shield pump rotor axial force test device and method of testing Download PDFInfo
- Publication number
- CN107575400A CN107575400A CN201710751055.XA CN201710751055A CN107575400A CN 107575400 A CN107575400 A CN 107575400A CN 201710751055 A CN201710751055 A CN 201710751055A CN 107575400 A CN107575400 A CN 107575400A
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- test
- axle
- bearing
- rotor
- vertical shield
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Abstract
A kind of vertical shield pump rotor axial force test device and method of testing, test axle is encased on the axle of vertical shield pump by seam, test top cover is attached on the motor case of vertical shield pump by testing axle, the stuffing-box of sealing cushion rubber is loaded on test top cover through test axle, filler is loaded into the cavity of test axle and stuffing-box and by gland and bolt tight；Load bearing body and Self-aligning bearing in test shaft end, by round nut and stop washer by the bearing inner ring locking of Self-aligning bearing, and fixed the bearing outer ring of Self-aligning bearing by connector；Connector is connected with pull pressure sensor；Test bench is attached on test top cover；Lifting bolt is arranged on lifting bolt.The inventive structure is compact, and size is small, is convenient to mount and dismount, novel in design, and beautiful design, measurement accuracy is high, resists inclined ability strong, and test initial value is fixed, and is rotor weight and the difference of buoyancy, applied in shielding pump technical field.
Description
Technical field
The present invention is a kind of vertical shield pump rotor axial force test device and test being related in shielding pump technical field
Method.
Background technology
At present, the thrust bearing of canned motor pump both domestic and external is graphite bearing, and its bearing capacity is limited, need to be according to its carrying
Ability carries out the adjustment of axial force, and the proper axial power in the range of loading ability of bearing may insure that canned motor pump is transported in preferable state
OK, life-span and the operational reliability of canned motor pump are improved.Due to canned motor pump, there is presently no axial-force testing device, accurately measurement
The axial force of vertical shield pump, guarantee is provided for the reliability and life-span of canned motor pump.Therefore, a kind of vertical shield pump is developed
Rotor axial force test device and method of testing are always new problem anxious to be resolved.
The content of the invention
It is an object of the invention to provide a kind of vertical shield pump rotor axial force test device and method of testing, the invention
It is applicable to test the canned motor pump of axial force, the amount of putting forward of rotor should be measured before axial force is tested, rotor is mentioned suitably
Position is simultaneously locked, and to ensure measuring accuracy, it is necessary to which the gas in canned motor pump is drained before axial force testing is carried out, can be tested
The axial force of both direction.
The object of the present invention is achieved like this：A kind of vertical shield pump rotor axial force test device and method of testing,
Including test axle, stuffing-box, test top cover, filler, sealing cushion rubber, gland, bearing body, Self-aligning bearing, round nut,
Stop washer, connector, lifting bolt, lifting bolt, connection gland, locking nut, lock washer, Test bench, pressure
Sensor, anti-turn bolt, test axle is encased on the axle of vertical shield pump by seam, test top cover is filled by testing axle
Onto the motor case of vertical shield pump, the stuffing-box of sealing cushion rubber is loaded on test top cover through test axle, by filler
Load the cavity of test axle and stuffing-box and by gland and bolt tight；Load bearing body and self-regulated at test axle 1 end
Mandrel is held, by round nut and stop washer by the bearing inner ring locking of Self-aligning bearing, and by connector by self-regulated mandrel
The bearing outer ring held is fixed；Connector is connected with pull pressure sensor；Test bench is attached on test top cover；By lifting bolt
On lifting bolt；Gland, locking nut, lock washer will be connected to float on lifting bolt successively, and pass through test
Hole on pedestal loads in pull pressure sensor；Anti-turn bolt is screwed into bearing body through brake hole D；Test axle and vertical shielding
The axle of pump is bolted by seam with merging, and test axle 1 part is arranged in vertical shield pump, test top cover with it is vertical
The motor case connection of canned motor pump, bearing body 7 pass through connector and lock by Self-aligning bearing internal external circle and test axis connection
Tight nut respectively locks the Internal and external cycle of Self-aligning bearing, and by connector by axial force transmission to pull pressure sensor；Again
Lifting bolt is transmitted the force to by pull pressure sensor, finally by Test bench transmit the force to test top cover pass to it is vertical
Formula canned motor pump in itself, is born by the basis of vertical shield pump；Steam vent A, Test bench or so two is set on the test top cover
Side sets filler handle hole B, osculum C, brake hole D and wiring hole E；With sealing between described test top cover and stuffing box body
With rubber sealing, test axle is provided with the packing seal being connected with stuffing box body；
A kind of operation principle of described vertical shield pump rotor axial force test device is, the rotor of whole vertical shield pump
Axial force is born by Self-aligning bearing, and power is transferred into pull pressure sensor by connector, carries out axial force survey in real time
Examination；A kind of vertical shield pump rotor axial force test device uses packing seal, ensure seal on the basis of, frictional force compared with
It is small, the measuring accuracy of axial force can be ensured to greatest extent, have certain gap between bearing body and Test bench, both can guarantee that
The facility of installation, it also can guarantee that not output axial friction, and axle is ensured by anti-turn bolt between bearing body and Test bench
Hold the radial direction turn and displacement of body；In vertical shield pump operation process, by filler handle hole B, compress or loosen filler, be
Test smoothly completes offer guarantee；Bearing uses Self-aligning bearing, while bearing axial force, additionally it is possible to which radial displacement is entered
Row corrective action, Self-aligning bearing use grease lubrication；The axial force of vertical shield pump passes to self-regulated mandrel by testing axle
Hold, then miscellaneous part is passed to until pull pressure sensor by Self-aligning bearing；Steam vent A ensures the smooth of exhaust, and it is high
Degree should ensure that in vertical shield pump medium liquid level highest point；
A kind of method of testing of described vertical shield pump rotor axial force test device is that L values are tested after the completion of assembling, are designated as
L1, force value FI should be zero, and the axial force for now shielding pump rotor is born by its thrust bearing, the non-stress of pull pressure sensor；Profit
Rotor is slowly lifted by lifting bolt with crane, until force value is rotor weight and the difference of buoyancy, record force value is F2,
Now L values are L2 for test；Now the amount of lifting of the elongation of all bolts and rotor mutually compensates；Continuation slowly carries rotor, until
The rotor amount of carrying, i.e. rotor can not lift upwards, and force value is greater than F2, and record force value is F3, test L values, are designated as L3；To survey
The accuracy and reduction error of examination, said process is repeatable finally slowly to be put down rotor several times, recurs to rotor, this time
The amount of carrying be 1/3rd of L3-L2 arrive half, and force value check be rotor weight and buoyancy difference；It will should now lock
Nut handle is tight, and four stove bolts by connecting on gland compress locking nut, as locking measures；Now record L values
For L4, the test of axial force can be carried out.
The present invention is characterized by its structure and working principle.
A kind of vertical shield pump rotor axial force test device and method of testing compared with prior art, have structure tight
Gather, size is small, is convenient to mount and dismount, novel in design, and beautiful design, measurement accuracy is high, resists inclined ability strong, and test initial value is fixed, and is
The advantages that rotor weight and the difference of buoyancy, it will be widely used in shielding pump technical field.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail.
Fig. 1 is the structural representation of the present invention.
Embodiment
Referring to the drawings, a kind of vertical shield pump rotor axial force test device and method of testing, including test axle 1, filler
Letter 2, test top cover 3, filler 4, sealing cushion rubber 5, gland 6, bearing body 7, Self-aligning bearing 8, round nut 9, stop pad
Circle 10, connector 11, lifting bolt 12, lifting bolt 13, connection gland 14, locking nut 15, lock washer 16, Test bench
17th, pull pressure sensor 18, anti-turn bolt 19, test axle 1 is encased on the axle of vertical shield pump by seam, test is pushed up
Lid 3 is attached on the motor case of vertical shield pump by testing axle 1, and the stuffing-box 2 of sealing cushion rubber 5 is filled through test axle 1
Enter to test on top cover 3, filler 4 is loaded into the cavity of test axle 1 and stuffing-box 2 and by gland 6 and bolt tight；Surveying
Try the end of axle 1 and load bearing body 7 and Self-aligning bearing 8, by round nut 9 and stop washer 10 by the bearing of Self-aligning bearing 8
Circle locking, and fixed the bearing outer ring of Self-aligning bearing 8 by connector 11；Connector 11 connects with pull pressure sensor 18
Connect；Test bench 17 is attached on test top cover 3；Lifting bolt 12 is arranged on lifting bolt 13；Will connection gland 14, lock
Tight nut 15, lock washer 16 are floated on lifting bolt 12 successively, and are loaded pressure through the hole on Test bench 17 and passed
On sensor 18；Anti-turn bolt 19 is screwed into bearing body 7 through brake hole D；The axle of test axle 1 and vertical shield pump is matched somebody with somebody by seam
Merga pass bolt connection, test axle 1 part are arranged in vertical shield pump, the motor machine of test top cover 3 and vertical shield pump
Shell is connected, and bearing body 7 is connected by the Internal and external cycle of Self-aligning bearing 8 with test axle 1, and is divided by connector 11 and locking nut 15
The Internal and external cycle of Self-aligning bearing 8 is not locked, and by connector 11 by axial force transmission to pull pressure sensor 18；Pass through again
Pull pressure sensor 18 transmits the force to lifting bolt 13, and transmitting the force to test top cover 3 finally by Test bench 17 transmits
To vertical shield pump in itself, born by the basis of vertical shield pump；Steam vent A, Test bench 17 are set on the test top cover 3
The left and right sides sets filler handle hole B, osculum C, brake hole D and wiring hole E；Described test top cover 3 and the body of stuffing-box 2 it
Between sealed with sealing cushion rubber 5, test axle 1 is provided with the filler 4 that is connected with the body of stuffing-box 2 and sealed.
A kind of operation principle of described vertical shield pump rotor axial force test device is that whole vertical shield pump turns
The axial force of son is born by Self-aligning bearing 8, and power is transferred into pull pressure sensor 18 by connector 11, is carried out in real time
Axial force testing；A kind of vertical shield pump rotor axial force test device is sealed using filler 4, on the basis of ensureing to seal,
Frictional force is smaller, can ensure the measuring accuracy of axial force to greatest extent, have between bearing body 7 and Test bench 17 it is certain between
Gap, both can guarantee that the facility of installation, also can guarantee that not output axial friction, and passing through between bearing body 7 and Test bench 17
Anti-turn bolt 19 ensures the radial direction turn and displacement of bearing body 7；In vertical shield pump operation process, by filler handle hole B,
Compress or loosen filler 4, offer guarantee is smoothly completed for test；Bearing uses Self-aligning bearing 8, bears the same of axial force
When, additionally it is possible to effect is adjusted to radial displacement, Self-aligning bearing 8 uses grease lubrication；The axial force of vertical shield pump is led to
Cross test axle 1 and pass to Self-aligning bearing 8, then miscellaneous part is passed to until pull pressure sensor 18 by Self-aligning bearing 8；
Steam vent A ensures the smooth of exhaust, and its height should ensure that in vertical shield pump medium liquid level highest point.
A kind of method of testing of described vertical shield pump rotor axial force test device is that L values are tested after the completion of assembling,
L1 is designated as, force value FI should be zero, and the axial force for now shielding pump rotor is born by its thrust bearing, and pull pressure sensor 18 is not
Stress；Rotor is slowly lifted by lifting bolt 12 using crane, until force value is rotor weight and the difference of buoyancy, record
Force value is F2, and now L values are L2 for test；Now the amount of lifting of the elongation of all bolts and rotor mutually compensates；Continuation slowly carries
Rotor, until the rotor amount of carrying, i.e. rotor can not lift upwards, and force value is greater than F2, and record force value is F3, test L values, note
For L3；Accuracy and reduction error for test, said process is repeatable several times, finally slowly puts down rotor, recurs to
Rotor, this amount of carrying arrives half for 1/3rd of L3-L2, and force value checks the difference for rotor weight and buoyancy；This
When should be by locking nut 15 tight, and four stove bolts by connecting on gland 14 compress locking nut 15, as locking
Measure；It is L4 now to record L values, can carry out the test of axial force.
Claims (3)
1. a kind of vertical shield pump rotor axial force test device and method of testing, including test axle, stuffing-box, test top cover,
Filler, sealing cushion rubber, gland, bearing body, Self-aligning bearing, round nut, stop washer, connector, lifting bolt, hang
Collar bolt, connection gland, locking nut, lock washer, Test bench, pull pressure sensor, anti-turn bolt, it is characterised in that：
Test axle is encased on the axle of vertical shield pump by seam, test top cover is attached to the electricity of vertical shield pump by testing axle
On machine casing, the stuffing-box of sealing cushion rubber is loaded on test top cover through test axle, filler is loaded into test axle and filler
The cavity of letter is simultaneously tight by gland and bolt handle；Load bearing body and Self-aligning bearing at test axle 1 end, pass through round nut
With stop washer by the bearing inner ring locking of Self-aligning bearing, and the bearing outer ring of Self-aligning bearing is fixed by connector；
Connector is connected with pull pressure sensor；Test bench is attached on test top cover；Lifting bolt is arranged on lifting bolt；
Gland, locking nut, lock washer will be connected to float on lifting bolt successively, and load tension and compression through the hole on Test bench
On force snesor；Anti-turn bolt is screwed into bearing body through brake hole D；The axle of test axle and vertical shield pump is coordinated by seam
And be bolted, test axle 1 part is arranged in vertical shield pump, and the motor case for testing top cover and vertical shield pump connects
Connecing, bearing body 7 is by Self-aligning bearing internal external circle and tests axis connection, and by connector and locking nut respectively by Self-aligning
Bearing Internal and external cycle locking, and by connector by axial force transmission to pull pressure sensor；Again will by pull pressure sensor
Power passes to lifting bolt, and transmitting the force to test top cover finally by Test bench passes to vertical shield pump in itself, by standing
Bear on the basis of formula canned motor pump；Setting steam vent A on the test top cover, Test bench left and right sides setting filler handle hole B,
Osculum C, brake hole D and wiring hole E；With sealing rubber sealing between described test top cover and stuffing box body, axle is tested
It is provided with the packing seal being connected with stuffing box body.
A kind of 2. vertical shield pump rotor axial force test device according to claim 1, it is characterised in that：Described one
The operation principle of kind vertical shield pump rotor axial force test device is that the axial force of the rotor of whole vertical shield pump is by self-regulated
Mandrel is born, and power is transferred into pull pressure sensor by connector, carries out axial force testing in real time；A kind of vertical screen
Cover pump rotor axial-force testing device and use packing seal, on the basis of ensureing to seal, frictional force is smaller, can be to greatest extent
Ensure the measuring accuracy of axial force, have certain gap between bearing body and Test bench, both can guarantee that the facility of installation, also can
Ensure between bearing body and Test bench not output axial friction, and by anti-turn bolt ensure bearing body radial direction turn and
Displacement；In vertical shield pump operation process, by filler handle hole B, compress or loosen filler, carried for smoothly completing for test
For ensureing；Bearing uses Self-aligning bearing, while bearing axial force, additionally it is possible to effect, self-regulated are adjusted to radial displacement
Mandrel is held using grease lubrication；The axial force of vertical shield pump passes to Self-aligning bearing by testing axle, then passes through Self-aligning
Bearing passes to miscellaneous part until pull pressure sensor；Steam vent A ensures the smooth of exhaust, and its height should ensure that in vertical screen
Cover pump medium liquid level highest point.
A kind of 3. vertical shield pump rotor axial force test device according to claim 1, it is characterised in that：Described one
The method of testing of kind vertical shield pump rotor axial force test device is that L values are tested after the completion of assembling, is designated as L1, and force value FI should
It is zero, the axial force for now shielding pump rotor is born by its thrust bearing, the non-stress of pull pressure sensor；Using crane by hanging
Ring screw slowly lifts rotor, until force value is rotor weight and the difference of buoyancy, record force value is F2, tests now L values
For L2；Now the amount of lifting of the elongation of all bolts and rotor mutually compensates；Continuation slowly carries rotor, until the rotor amount of carrying, i.e.,
Rotor can not lift upwards, and force value is greater than F2, and record force value is F3, test L values, be designated as L3；For the accuracy of test
With reduction error, said process is repeatable several times, finally slowly puts down rotor, recurs to rotor, this amount of carrying is L3-
/ 3rd of L2 arrive half, and force value checks the difference for rotor weight and buoyancy；Now should be tight by locking nut handle, and
Locking nut is compressed by four stove bolts connected on gland, as locking measures；It is L4, Ke Yijin now to record L values
The test of row axial force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751055.XA CN107575400A (en) | 2017-08-28 | 2017-08-28 | A kind of vertical shield pump rotor axial force test device and method of testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710751055.XA CN107575400A (en) | 2017-08-28 | 2017-08-28 | A kind of vertical shield pump rotor axial force test device and method of testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107575400A true CN107575400A (en) | 2018-01-12 |
Family
ID=61029738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710751055.XA Withdrawn CN107575400A (en) | 2017-08-28 | 2017-08-28 | A kind of vertical shield pump rotor axial force test device and method of testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107575400A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120346A (en) * | 2019-12-17 | 2020-05-08 | 大连环友屏蔽泵有限公司 | Axial force detection system and method for large canned motor pump |
| CN112523900A (en) * | 2020-11-30 | 2021-03-19 | 西安航天动力研究所 | Device for measuring axial force of turbine pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147999A (en) * | 2013-03-04 | 2013-06-12 | 上海凯泉泵业（集团）有限公司 | Axial force measuring device and method for multistage direct-connection centrifugal pump |
| CN103629121A (en) * | 2013-12-12 | 2014-03-12 | 兰州理工大学 | Dynamic axial force testing device for impeller of centrifugal pump |
| CN103967805A (en) * | 2014-04-08 | 2014-08-06 | 丹东克隆先锋泵业有限公司 | Pump spindle axial force testing device |
| CN203879767U (en) * | 2014-05-08 | 2014-10-15 | 大连海密梯克泵业有限公司 | Device for detecting axial force of canned pump |
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2017
- 2017-08-28 CN CN201710751055.XA patent/CN107575400A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147999A (en) * | 2013-03-04 | 2013-06-12 | 上海凯泉泵业（集团）有限公司 | Axial force measuring device and method for multistage direct-connection centrifugal pump |
| CN103629121A (en) * | 2013-12-12 | 2014-03-12 | 兰州理工大学 | Dynamic axial force testing device for impeller of centrifugal pump |
| CN103967805A (en) * | 2014-04-08 | 2014-08-06 | 丹东克隆先锋泵业有限公司 | Pump spindle axial force testing device |
| CN203879767U (en) * | 2014-05-08 | 2014-10-15 | 大连海密梯克泵业有限公司 | Device for detecting axial force of canned pump |
Non-Patent Citations (1)
| Title |
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| 连长龙: "立式屏蔽电泵轴向力测量工装设计与应用", 《机械管理开发》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120346A (en) * | 2019-12-17 | 2020-05-08 | 大连环友屏蔽泵有限公司 | Axial force detection system and method for large canned motor pump |
| CN111120346B (en) * | 2019-12-17 | 2021-07-06 | 大连环友屏蔽泵有限公司 | Axial force detection system and method for large canned motor pump |
| CN112523900A (en) * | 2020-11-30 | 2021-03-19 | 西安航天动力研究所 | Device for measuring axial force of turbine pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180112 |