CN107228106A - A kind of axial plunger pump and motor retainer assembly test device - Google Patents
A kind of axial plunger pump and motor retainer assembly test device Download PDFInfo
- Publication number
- CN107228106A CN107228106A CN201710417847.3A CN201710417847A CN107228106A CN 107228106 A CN107228106 A CN 107228106A CN 201710417847 A CN201710417847 A CN 201710417847A CN 107228106 A CN107228106 A CN 107228106A
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- China
- Prior art keywords
- retainer
- ball bowl
- mandrel
- spring
- plunger pump
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of axial plunger pump and motor retainer assembly test device, internal mechanism including box assembly and the component rotation of carrying retainer, the pedestal of box assembly can be connected with static platform, fulcrum bearing is bolted on pedestal with fulcrum bearing alignment pin, fulcrum bearing, and supporting is installed by the single-row tapered roller bearing of test specimen retainer, retainer and bearing inner race synchronous rotary in fulcrum bearing;It is enclosed on by test specimen ball bowl by twice O-ring on mandrel, its top is supported by spring base, spring base adjusts the pre-pressing force of ball bowl by the spring of installation, when being linked with power set at the top of mandrel, the distance of the upper surface of long alignment pin and the A planes of mandrel is measured to adjust the thrust of spring, simulate the installment state between ball bowl and retainer, subsequent ball bowl passes through two alignment pins and mandrel synchronous rotary, and dynamic friction pair is formed between retainer, drive retainer rotation, actual operating mode of the simulation retainer with ball bowl in plunger pump.
Description
Technical field
The invention belongs to axial plunger pump and motor technologies field, it is related to a kind of axial plunger pump and motor retainer group
Part experimental rig, it is the running environment that can simulate retainer component in axial plunger pump and motor that it, which is acted on, in design rank
Section carries out sphere-contact area dynamic fit to retainer component and checked and Reliability Check, improves the applicability of the component.
Background technology
At present, axial plunger pump and the widely used retainer component of motor carry out floating support to plunger piston slippery boots assembly, make
Obtaining piston shoes can steadily operate, and eliminate uneven in running and vibration, protected especially under big load high-voltage high-speed operating mode
Hold frame component and seem increasingly important, its reliability determines life-span and the stability of whole plunger pump rotor component.By this
One experimental rig can be realized to be examined the progress sphere-contact area's dynamic fit inspection of retainer component and reliability in the design phase
Core, so as to verify the reliability of retainer component in advance.
The content of the invention
(1) goal of the invention
The purpose of the present invention is:A kind of compact conformation, small volume, the axial plunger pump of simple installation and motor is provided to protect
Frame assembly test device is held, simulation axial plunger pump and motor retainer component are to the floating support of plunger piston slippery boots assembly, checking
The Dynamic Matching characteristic and reliability of retainer component.
(2) technical scheme
In order to solve the above-mentioned technical problem, the present invention provides a kind of axial plunger pump and motor and filled with retainer assembly test
Put, it includes:Experimental rig includes placing static box assembly in the plane and in box assembly and can taken
The internal rotating component and bearing assembly rotated with retainer component;The pedestal of box assembly is connected with static platform, supporting
Seat is bolted on pedestal with fulcrum bearing alignment pin, fulcrum bearing, and supporting is provided with fulcrum bearing by the list of test specimen retainer
Row tapered roller bearing, retainer and bearing inner race synchronous rotary;Internal rotating group is enclosed on by twice O-ring by test specimen ball bowl
On the mandrel of part, its top is supported by spring base, and spring base adjusts the pre-pressing force of ball bowl by the spring installed thereon, works as core
When being linked with power set at the top of axle, upper surface and the mandrel shaft shoulder of long alignment pin of the measure setup between mandrel and spring base
The distance of the A planes at top adjusts the thrust of spring, and the installment state between simulation ball bowl and retainer, subsequent ball bowl is logical
Two alignment pins and mandrel synchronous rotary are crossed, and dynamic friction pair is formed between retainer, retainer rotation is driven, simulation is kept
Actual operating mode of the frame with ball bowl in plunger pump.
Wherein, the box assembly includes:Pedestal 18, horizontal positioned is fixed on experiment platform, and casing 7 passes through bolt
9 are fixed on pedestal 18.
Wherein, pedestal O-ring 8 is housed between the pedestal 18 and casing 7, for sealing, when being full of fluid in casing,
Pedestal O-ring ensures sealing, will not oil liquid leakage.
Wherein, the bearing assembly includes single-row tapered roller bearing 6, fulcrum bearing 16 and by test specimen:Retainer 14;Branch
Bearing 16 is fixed on pedestal 18 by fulcrum bearing bolt 17 and fulcrum bearing alignment pin 15, is provided with oblique with plunger pump in fulcrum bearing 16
The consistent plane of disk angle, assembles single-row tapered roller bearing 6 on this plane, and retainer 14 is supported using bearing inner race.
Wherein, the bearing assembly also includes retainer alignment pin 5, installed in the inner ring end face of single-row tapered roller bearing 6,
To realize retainer 14 and bearing inner race synchronous rotary.
Wherein, the internal rotating component includes mandrel 10, O-ring 2, long alignment pin 11, spring base 12, spring 3, ball bowl
Alignment pin 4 and by test specimen:Ball bowl 13;Ball bowl 13 is enclosed on mandrel 10 by twice O-ring 2, and its top is by spring base 12
Hold, spring base 12 adjusts the pre-pressing force of ball bowl 13 by spring 3, spring base 12 is linked with ball bowl 13 by ball bowl alignment pin 4
Synchronous rotary afterwards, and spring base 12 linked with mandrel 10 by long alignment pin 11 after synchronous rotary, i.e., when the top of mandrel 10 links
During dynamic device, measure the distance of the upper surface of long alignment pin 11 and the A planes of mandrel 10 to adjust the thrust of spring 3,
Simulate the installment state between ball bowl 13 and retainer 14, subsequent ball bowl 13 and the synchronous rotary of mandrel 10, and with retainer 14 it
Between form dynamic friction pair, drive retainer 14 to rotate, simulation retainer 14 and ball 13 actual operating mode in plunger pump of bowl.
Wherein, on the other hand 13 one side of the ball bowl are positioned by carrying out axial supporting with spring base 12 by ball bowl
Ball bowl 13 and spring base 12 are coupled by pin 4 so that ball bowl 13 and the synchronous rotary of spring base 12.
Wherein, the spring 3 forms resilient support between mandrel 10 and spring base 12, passes through the installation number of spring 3
Adjust the pre-pressing force between ball bowl 13 and retainer 14.
Wherein, described ball bowl 13 is enclosed on mandrel 10, is provided with twice O-ring 2 between mandrel 10 and ball bowl 13, is used
In fixed and connected ball bowl 13;Described spring base 12 is enclosed on mandrel 10, is fixed by long alignment pin with mandrel 10, it is ensured that bullet
Spring abutment 12 and the synchronous rotary of mandrel 10.
Wherein, the upper surface by measuring long alignment pin 11 is adjusted with the distance of the A planes of mandrel 10
The installation number of spring 3.
(3) beneficial effect
Axial plunger pump and motor retainer assembly test device that above-mentioned technical proposal is provided, simplify supporting knot
Structure, employs single-row tapered roller bearing and retainer is supported, and internal rotation is constituted using mandrel, spring base, spring etc.
Turn component and drive ball bowl rotation, the device has the advantages that compact conformation, small volume, simple installation, device of the invention can be with
Realize that sphere-contact area dynamic fit is carried out to retainer component in the design phase checks and Reliability Check.
Brief description of the drawings
Fig. 1 is the sectional view of axial plunger pump and motor retainer assembly test device in the embodiment of the present invention.
In figure, 1. cover plates, 2.O shapes circle, 3. springs, 4. balls bowl alignment pin, 5. retainer alignment pins, 6. single-row tapered rollers
Bearing, 7. casings, 8. pedestal O-rings, 9. bolts, 10. mandrels, 11. long alignment pins, 12. spring bases, 13. balls bowl, 14. are kept
Frame, 15. fulcrum bearing alignment pins, 16. fulcrum bearings, 17. fulcrum bearing bolts, 18. pedestals.
Embodiment
To make the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the present invention's
Embodiment is described in further detail.
In order to solve technical problem of the prior art, retainer assembly test device basic conception provided by the present invention
It is as follows:It is a kind of to be compressed retainer component by a spring base using single-row tapered roller bearing as supporting, simulate retainer group
Confined state of the part in plunger pump, and action edge input can be entered using rotating mechanism, the sphere between retainer and ball bowl
The secondary experimental rig of contact area formation dynamic friction.
Specifically, as shown in figure 1, experimental rig includes placing static box assembly in the plane, and positioned at case
Body component is interior and can carry the internal rotating component and bearing assembly of the rotation of retainer component.The pedestal of box assembly with it is static
Platform be connected, fulcrum bearing is bolted on pedestal with fulcrum bearing alignment pin, fulcrum bearing, and supporting quilt is provided with fulcrum bearing
The single-row tapered roller bearing of test specimen retainer, retainer and bearing inner race synchronous rotary;Twice O-ring is passed through by test specimen ball bowl
On the mandrel for being enclosed on internal rotating component, its top is supported by spring base, and spring base adjusts ball bowl by the spring installed thereon
Pre-pressing force, when being linked with power set at the top of the mandrel, long alignment pin of the measure setup between mandrel and spring base
Upper surface adjusts the thrust of spring, the peace between simulation ball bowl and retainer with the distance of the A planes at the top of the mandrel shaft shoulder
Dress state, subsequent ball bowl forms dynamic friction pair by two alignment pins and mandrel synchronous rotary, and between retainer, drives and protects
Hold frame rotation, actual operating mode of the simulation retainer with ball bowl in plunger pump.
Specifically, box assembly includes cover plate 1, casing 7, pedestal 18, pedestal O-ring 8, bolt 9, fulcrum bearing alignment pin
15th, fulcrum bearing bolt 17.Internal rotating component includes mandrel 10, O-ring 2, long alignment pin 11, spring base 12, spring 3, ball bowl
Alignment pin 4 and by test specimen:Ball bowl 13.Bearing assembly includes retainer alignment pin 5, single-row tapered roller bearing 6, fulcrum bearing 16
And by test specimen:Retainer 14.
Pedestal 18 is placed horizontally on testing stand, can be fixed in test platform by pin, realize by box assembly with
Static platform is fixed together, and casing 7 is fixed on pedestal 18 by bolt 9, and lubricating oil can be filled in casing during due to experiment, because
This is used to seal between pedestal 18 and casing 7 equipped with pedestal O-ring 8, and when being full of fluid in casing, pedestal O-ring ensures
Sealing, will not oil liquid leakage.
Pedestal 18 is fixed together by fulcrum bearing bolt 17 and fulcrum bearing alignment pin 15 with fulcrum bearing 16, is set in fulcrum bearing 16
There is the plane consistent with plunger pump swash plate angle, single-row tapered roller bearing 6 is assembled on this plane, is supported using bearing inner race
Retainer 14, and in order to ensure retainer 14 and bearing inner race synchronous rotary, retainer alignment pin 5 is installed in inner ring end face,
So as to constitute bearing assembly.
It is enclosed on by test specimen ball bowl 13 by twice O-ring 2 on mandrel 10, its top is supported by spring base 12, spring base 12
The pre-pressing force of ball bowl 13 is adjusted by the spring 3 set thereon, after spring base 12 is linked with ball bowl 13 by ball bowl alignment pin 4
Synchronous rotary, and spring base 12 and mandrel 10 are linked with by synchronous rotary after the link of long alignment pin 11 at the top of mandrel 10
During power set, measure the distance of the upper surface of long alignment pin 11 and the A planes of mandrel 10 to adjust the thrust of spring 3, mould
Intend the installment state between ball bowl 13 and retainer 14, subsequent ball bowl 13 and the synchronous rotary of mandrel 10, and between retainer 14
Dynamic friction pair is formed, drives retainer 14 to rotate, simulation retainer 14 and ball 13 actual operating mode in plunger pump of bowl.
Further it is more fully described, according to the actual retainer 14 of plunger pump and the rigging position of ball bowl 13, by ball bowl 13
It is enclosed on mandrel 10, twice O-ring 2 is installed between mandrel 10 and ball bowl 13, matched somebody with somebody between mandrel 10 and ball bowl 13 for gap
Close, the frictional force of O-ring 2 is enough to make ball bowl 13 be fixed on mandrel 10, and ensure mandrel 10 during assembling, ball bowl 13, spring base
12 grade parts are unlikely to loose, so as to form internal rotating component, are inserted directly into the Internal Spherical Surface of retainer 14, and in axial direction,
One side ball bowl 13 with spring base 12 by carrying out axial supporting, on the other hand by ball bowl alignment pin 4 by ball bowl 13 and spring
Seat 12 is coupled so that ball bowl 13 and the synchronous rotary of spring base 12, spring 3 then form elasticity branch between mandrel 10 and spring base 12
Pre-pressing force between support, and the installation number adjustment ball bowl 13 and retainer 14 for passing through spring 3, spring base 12 is enclosed on mandrel 10
On, and fixed by long alignment pin 11 and mandrel 10.After the upper end of mandrel 10 connects rotating device, the upper of long alignment pin 11 is measured
End face adjusts the thrust of spring, the installation shape between simulation ball bowl 13 and retainer 14 with the distance of the A planes of mandrel 10
State, you can operating condition of the simulation retainer component in plunger pump.
As can be seen from the above technical solutions, this invention simplifies supporting structure, single-row tapered roller bearing pair is employed
Retainer is supported, and constituting internal rotating component using mandrel, spring base, spring etc. drives ball bowl to rotate, device tool
There are compact conformation, small volume, simple installation, device of the invention can be realized to be entered in the design phase to retainer component
Row sphere-contact area dynamic fit is checked and Reliability Check.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of axial plunger pump and motor retainer assembly test device, it is characterised in that including:Experimental rig includes putting
Put static box assembly in the plane and in box assembly and can carry the inside rotation of retainer component rotation
Turn component and bearing assembly;The pedestal of box assembly is connected with static platform, fulcrum bearing fulcrum bearing alignment pin, fulcrum bearing spiral shell
Bolt is fixed on pedestal, and supporting is provided with fulcrum bearing by the single-row tapered roller bearing of test specimen retainer, retainer and axle
Hold inner ring synchronous rotary;It is enclosed on by test specimen ball bowl by twice O-ring on the mandrel of internal rotating component, its top is by spring base
Supporting, spring base adjusts the pre-pressing force of ball bowl by the spring installed thereon, when being linked with power set at the top of mandrel, surveys
Amount is arranged on the upper surface of the long alignment pin between mandrel and spring base with the distance of the A planes at the top of the mandrel shaft shoulder to adjust bullet
The thrust of spring, the installment state between simulation ball bowl and retainer, subsequent ball bowl passes through the rotation synchronous with mandrel of two alignment pins
Turn, and dynamic friction pair is formed between retainer, drive retainer rotation, reality of the simulation retainer with ball bowl in plunger pump
Operating condition.
2. axial plunger pump as claimed in claim 1 and motor retainer assembly test device, it is characterised in that the case
Body component includes:Pedestal (18), horizontal positioned is fixed on experiment platform, and casing (7) is fixed on pedestal by bolt (9)
(18) on.
3. axial plunger pump as claimed in claim 2 and motor retainer assembly test device, it is characterised in that the base
Pedestal O-ring (8) is housed, for sealing, when being full of fluid in casing, pedestal O-ring ensures between seat (18) and casing (7)
Sealing, will not oil liquid leakage.
4. axial plunger pump as claimed in claim 3 and motor retainer assembly test device, it is characterised in that the branch
Bearing assembly includes single-row tapered roller bearing (6), fulcrum bearing (16) and by test specimen:Retainer (14);Fulcrum bearing (16) passes through
Fulcrum bearing bolt (17) and fulcrum bearing alignment pin (15) are fixed on pedestal (18), are provided with and plunger pump swash plate in fulcrum bearing (16)
The consistent plane of angle, assembles single-row tapered roller bearing (6) on this plane, and retainer (14) is supported using bearing inner race.
5. axial plunger pump as claimed in claim 4 and motor retainer assembly test device, it is characterised in that the branch
Bearing assembly also includes retainer alignment pin (5), installed in single-row tapered roller bearing (6) inner ring end face, to realize retainer
(14) with bearing inner race synchronous rotary.
6. axial plunger pump as claimed in claim 5 and motor retainer assembly test device, it is characterised in that in described
Portion's rotary components include mandrel (10), O-ring (2), long alignment pin (11), spring base (12), spring (3), ball bowl alignment pin (4)
And by test specimen:Ball bowl (13);Ball bowl (13) is enclosed on mandrel (10) by twice O-ring (2), and its top is by spring base (12)
Supporting, spring base (12) adjusts the pre-pressing force of ball bowl (13) by spring (3), and spring base (12) passes through ball bowl with ball bowl (13)
Synchronous rotary after alignment pin (4) links, and spring base (12) and mandrel (10) are worked as by synchronous rotary after the link of long alignment pin
When being linked with power set at the top of mandrel (10), the upper surface for measuring long alignment pin is adjusted with the distance of the A planes of mandrel (10)
Save the thrust of spring (3), the installment state between simulation ball bowl (13) and retainer (14), subsequent ball bowl (13) and mandrel
(10) synchronous rotary, and dynamic friction pair is formed between retainer (14), drive retainer (14) rotation, simulation retainer (14)
With actual operating mode of the ball bowl (13) in plunger pump.
7. axial plunger pump as claimed in claim 6 and motor retainer assembly test device, it is characterised in that the ball
Bowl (13) with spring base (12) on the one hand by carrying out axial supporting, on the other hand by ball bowl alignment pin (4) by ball bowl (13)
It is coupled with spring base (12) so that ball bowl (13) and spring base (12) synchronous rotary.
8. axial plunger pump as claimed in claim 6 and motor retainer assembly test device, it is characterised in that the bullet
Spring (3) forms resilient support between mandrel (10) and spring base (12), and ball bowl (13) is adjusted by the installation number of spring (3)
With the pre-pressing force between retainer (14).
9. axial plunger pump as claimed in claim 6 and motor retainer assembly test device, it is characterised in that described
Ball bowl (13) is enclosed on mandrel (10), and twice O-ring (2) is provided between mandrel (10) and ball bowl (13), for it is fixed with
Connected ball bowl (13);Described spring base (12) is enclosed on mandrel (10), fixed by long alignment pin and mandrel (10), it is ensured that bullet
Spring abutment (12) and mandrel (10) synchronous rotary.
10. axial plunger pump and motor the retainer assembly test device as described in claim 6 and 9, it is characterised in that institute
The upper surface by measuring long alignment pin (11) stated adjusts the peace of spring (3) with the distance of the A planes of mandrel (10)
Fill quantity.
Priority Applications (1)
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CN201710417847.3A CN107228106B (en) | 2017-06-06 | 2017-06-06 | A kind of axial plunger pump and motor retainer assembly test device |
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CN201710417847.3A CN107228106B (en) | 2017-06-06 | 2017-06-06 | A kind of axial plunger pump and motor retainer assembly test device |
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Publication Number | Publication Date |
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CN107228106A true CN107228106A (en) | 2017-10-03 |
CN107228106B CN107228106B (en) | 2018-10-26 |
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CN201710417847.3A Active CN107228106B (en) | 2017-06-06 | 2017-06-06 | A kind of axial plunger pump and motor retainer assembly test device |
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Cited By (3)
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CN109465781A (en) * | 2018-12-28 | 2019-03-15 | 武汉联航机电有限公司 | A kind of positioning device |
CN110567705A (en) * | 2019-07-26 | 2019-12-13 | 中国北方车辆研究所 | Distribution friction pair performance simulation test device based on floating disc |
CN115597854A (en) * | 2022-12-14 | 2023-01-13 | 浙江大学(Cn) | Inner curve hydraulic motor roller-plunger friction pair testing device and testing method |
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CN110567705B (en) * | 2019-07-26 | 2021-03-23 | 中国北方车辆研究所 | Distribution friction pair performance simulation test device based on floating disc |
CN115597854A (en) * | 2022-12-14 | 2023-01-13 | 浙江大学(Cn) | Inner curve hydraulic motor roller-plunger friction pair testing device and testing method |
CN115597854B (en) * | 2022-12-14 | 2023-03-31 | 浙江大学 | Inner curve hydraulic motor roller-plunger friction pair testing device and testing method |
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