CN107228106B - 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
- CN107228106B CN107228106B CN201710417847.3A CN201710417847A CN107228106B CN 107228106 B CN107228106 B CN 107228106B CN 201710417847 A CN201710417847 A CN 201710417847A CN 107228106 B CN107228106 B CN 107228106B
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- Prior art keywords
- retainer
- ball bowl
- mandrel
- bearing
- positioning pin
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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 devices, internal mechanism including box assembly and carrying retainer component rotation, the pedestal of box assembly can be connected with static platform, fulcrum bearing fulcrum bearing positioning pin, fulcrum bearing bolt are fixed on pedestal, and bearing 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 sleeved on mandrel by twice O-ring by test specimen ball bowl, 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 plant at the top of mandrel, measure the pressing force for carrying out adjustment spring at a distance from the upper surface of long positioning pin and the A planes of mandrel, simulate the installation condition between ball bowl and retainer, subsequent ball bowl passes through two positioning pins and mandrel synchronous rotary, and dynamic friction pair is formed between retainer, drive retainer rotation, simulation retainer and actual operating mode of the 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, effect is the running environment that can simulate retainer component in axial plunger pump and motor, in design rank
Section carries out sphere-contact area's dynamic fit inspection and Reliability Check to retainer component, improves the applicability of the component.
Background technology
Currently, 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 operational process and vibration, especially protected under big load high-voltage high-speed operating mode
Holding frame component seems increasingly important, and reliability determines service life and the stability of entire plunger pump rotor component.Pass through this
One experimental rig may be implemented to carry out sphere-contact area's dynamic fit inspection to retainer component in the design phase and reliability is examined
Core, to verify the reliability of retainer component in advance.
Invention content
(1) goal of the invention
The purpose of the present invention is：A kind of compact-sized, small, simple installation axial plunger pump is provided and motor is protected
Frame assembly test device is held, the floating support of axial plunger pump and motor retainer component to plunger piston slippery boots assembly, verification are simulated
The Dynamic Matching characteristic and reliability of retainer component.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of axial plunger pumps and motor retainer assembly test to fill
It sets comprising：Experimental rig includes placing static box assembly in the plane and in box assembly and capable of taking
Internal rotating component and bearing assembly with the rotation of retainer component；The pedestal of box assembly is connected with static platform, bearing
Seat fulcrum bearing positioning pin, fulcrum bearing bolt are fixed on pedestal, and bearing is equipped in fulcrum bearing by the list of test specimen retainer
Row tapered roller bearing, retainer and bearing inner race synchronous rotary；Internal rotating group is sleeved on by twice O-ring by test specimen ball bowl
On the mandrel of part, 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 plant at the top of axis, upper surface and the mandrel shaft shoulder of long positioning pin of the measure setup between mandrel and spring base
The distance of the A planes at top carrys out the pressing force of adjustment spring, simulates the installation condition between ball bowl and retainer, and subsequent ball bowl is logical
Two positioning pins and mandrel synchronous rotary are crossed, and form dynamic friction pair between retainer, retainer rotation, simulation is driven to keep
Frame and actual operating mode of the ball bowl in plunger pump.
Wherein, the box assembly includes：Pedestal 18, horizontal positioned to be fixed on experiment platform, babinet 7 passes through bolt
9 are fixed on pedestal 18.
Wherein, pedestal O-ring 8 is housed between the pedestal 18 and babinet 7, for sealing, when being full of fluid in babinet,
Pedestal O-ring ensures to seal, 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 by fulcrum bearing bolt 17 and fulcrum bearing positioning pin 15 on pedestal 18, is equipped in fulcrum bearing 16 oblique with plunger pump
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 further includes retainer positioning pin 5, is mounted on 6 inner ring end face of single-row tapered roller bearing,
To realize retainer 14 and bearing inner race synchronous rotary.
Wherein, the internal rotating component includes mandrel 10, O-ring 2, long positioning pin 11, spring base 12, spring 3, ball bowl
Positioning pin 4 and by test specimen：Ball bowl 13；Ball bowl 13 is sleeved on by twice O-ring 2 on mandrel 10, and top is by spring base 12
It holds, spring base 12 adjusts the pre-pressing force of ball bowl 13 by spring 3, and spring base 12 is linked with ball bowl 13 by ball bowl positioning pin 4
Synchronous rotary afterwards, and spring base 12 and mandrel 10 are linked by synchronous rotary after the connection of long positioning pin 11 at the top of mandrel 10
When dynamic device, the pressing force for carrying out adjustment spring 3 at a distance from the upper surface of long positioning pin 11 and the A planes of mandrel 10 is measured,
Simulate the installation condition between ball bowl 13 and retainer 14, subsequent ball bowl 13 and 10 synchronous rotary of mandrel, and with retainer 14 it
Between form dynamic friction pair, drive retainer 14 to rotate, simulation retainer 14 and actual operating mode of the ball bowl 13 in plunger pump.
Wherein, on the other hand 13 one side of ball bowl is positioned by carrying out axial bearing 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 12 synchronous rotary of spring base.
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, the ball bowl 13 is sleeved on mandrel 10, and twice O-ring 2 is equipped between mandrel 10 and ball bowl 13, is used
In fixed and connected ball bowl 13；The spring base 12 is sleeved on mandrel 10, is fixed by long positioning pin and mandrel 10, it is ensured that bullet
Spring abutment 12 and 10 synchronous rotary of mandrel.
Wherein, the upper surface by measuring long positioning pin 11 adjusts adjusting at a distance from the A planes of mandrel 10
The installation number of spring 3.
(3) advantageous effect
The axial plunger pump and motor retainer assembly test device that above-mentioned technical proposal is provided simplify bearing knot
Structure uses single-row tapered roller bearing and is supported to retainer, and internal rotation is constituted using mandrel, spring base, spring etc.
Turning component drives the rotation of ball bowl, the device to have many advantages, such as compact-sized, small, simple installation, and the device of the invention can be with
It realizes and sphere-contact area's dynamic fit inspection and Reliability Check is carried out to retainer component in the design phase.
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 boards, 2.O shapes circle, 3. springs, 4. ball bowl positioning pins, 5. retainer positioning pins, 6. single-row tapered rollers
Bearing, 7. babinets, 8. pedestal O-rings, 9. bolts, 10. mandrels, 11. long positioning pins, 12. spring bases, 13. ball bowls, 14. are kept
Frame, 15. fulcrum bearing positioning pins, 16. fulcrum bearings, 17. fulcrum bearing bolts, 18. pedestals.
Specific implementation mode
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the present invention's
Specific implementation mode is described in further detail.
The technical issues of in order to solve in the prior art, retainer assembly test device basic conception provided by the present invention
It is as follows：One kind is bearing with single-row tapered roller bearing, is compressed retainer component by a spring base, simulates retainer group
Assembled state of the part in plunger pump, and rotating mechanism can be applied to be inputted into action edge, the spherical surface between retainer and ball bowl
Contact area forms the experimental rig of dynamic friction pair.
Specifically, as shown in Figure 1, experimental rig includes the static box assembly placed in the plane, and it is located at case
In body component and internal rotating component and bearing assembly that retainer component rotates can be carried.The pedestal of box assembly with it is static
Platform be connected, fulcrum bearing fulcrum bearing positioning pin, fulcrum bearing bolt are fixed on pedestal, and are equipped with bearing quilt in 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
It is sleeved on the mandrel of internal rotating component, 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 plant at the top of the mandrel, long positioning pin of the measure setup between mandrel and spring base
The pressing force of adjustment spring is carried out in upper surface at a distance from the A planes at the top of the mandrel shaft shoulder, simulates the peace between ball bowl and retainer
Dress state, subsequent ball bowl form dynamic friction pair by two positioning pins and mandrel synchronous rotary between retainer, drive and protect
Hold frame rotation, simulation retainer and actual operating mode of the ball bowl in plunger pump.
Specifically, box assembly includes cover board 1, babinet 7, pedestal 18, pedestal O-ring 8, bolt 9, fulcrum bearing positioning pin
15, fulcrum bearing bolt 17.Internal rotating component includes mandrel 10, O-ring 2, long positioning pin 11, spring base 12, spring 3, ball bowl
Positioning pin 4 and by test specimen：Ball bowl 13.Bearing assembly includes retainer positioning 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 babinet 7 is fixed on pedestal 18 by bolt 9, can fill lubricating oil in babinet when due to experiment, because
This is used to seal between pedestal 18 and babinet 7 equipped with pedestal O-ring 8, and when being full of fluid in babinet, pedestal O-ring ensures
Sealing, will not oil liquid leakage.
Pedestal 18 and fulcrum bearing 16 are fixed together by fulcrum bearing bolt 17 and fulcrum bearing positioning pin 15, are set in fulcrum bearing 16
There is the plane consistent with plunger pump swash plate angle, assembles single-row tapered roller bearing 6 on this plane, supported using bearing inner race
Retainer 14, and in order to ensure retainer 14 and bearing inner race synchronous rotary, retainer positioning pin 5 is installed in inner ring end face,
To constitute bearing assembly.
It is sleeved on mandrel 10 by twice O-ring 2 by test specimen ball bowl 13, top is supported by spring base 12, spring base 12
The pre-pressing force that ball bowl 13 is adjusted by the spring 3 being arranged thereon, after spring base 12 is linked with ball bowl 13 by ball bowl positioning pin 4
Synchronous rotary, and spring base 12 and mandrel 10 are linked with by synchronous rotary after the connection of long positioning pin 11 at the top of mandrel 10
When power plant, the pressing force for carrying out adjustment spring 3 at a distance from the upper surface of long positioning pin 11 and the A planes of mandrel 10, mould are measured
Installation condition between quasi- ball bowl 13 and retainer 14, subsequent ball bowl 13 and 10 synchronous rotary of mandrel, and between retainer 14
Dynamic friction pair is formed, retainer 14 is driven to rotate, simulation retainer 14 and actual operating mode of the ball bowl 13 in plunger pump.
It is further more fully described, according to the rigging position of plunger pump practical retainer 14 and ball bowl 13, by ball bowl 13
It is sleeved on mandrel 10, twice O-ring 2 is installed between mandrel 10 and ball bowl 13, is matched for gap between mandrel 10 and ball bowl 13
It closes, the frictional force of O-ring 2 is enough that ball bowl 13 is made to be fixed on mandrel 10, and ensures mandrel 10, ball bowl 13, spring base when assembly
12 equal parts are unlikely to loose, so as to form internal rotating component, are inserted directly into 14 Internal Spherical Surface of retainer, and in axial direction,
One side ball bowl 13 with spring base 12 by carrying out axial bearing, on the other hand by ball bowl positioning pin 4 by ball bowl 13 and spring
Seat 12 is coupled so that ball bowl 13 and 12 synchronous rotary of spring base, spring 3 then form elasticity branch between mandrel 10 and spring base 12
Support, and the pre-pressing force between ball bowl 13 and retainer 14 is adjusted by the installation number of spring 3, spring base 12 is sleeved on mandrel 10
On, and fixed by long positioning pin 11 and mandrel 10.After 10 upper end of mandrel connects rotating device, the upper of long positioning pin 11 is measured
The pressing force of adjustment spring, the installation shape between simulation ball bowl 13 and retainer 14 are come in end face at a distance from 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 structures, use single-row tapered roller bearing pair
Retainer is supported, and constituting internal rotating component using mandrel, spring base, spring etc. drives the rotation of ball bowl, device tool
Have the advantages that compact-sized, small, simple installation, the device of the invention may be implemented the design phase to retainer component into
The dynamic fit inspection of row sphere-contact area and Reliability Check.
The above is only a 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, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of axial plunger pump and motor retainer assembly test device, which is characterized in that including：Experimental rig includes putting
It sets static box assembly in the plane and in box assembly and the inside rotation of retainer component rotation can be carried
Turn component and bearing assembly；Internal rotating component includes mandrel（10）, O-ring（2）, long positioning pin（11）, spring base（12）, bullet
Spring（3）, ball bowl positioning pin（4）And by test specimen ball bowl（13）；Bearing assembly includes single-row tapered roller bearing（6）, fulcrum bearing
（16）, by test specimen retainer（14）With retainer positioning pin（5）, retainer positioning pin（5）Mounted on single-row tapered roller bearing
（6）Inner ring end face, to realize retainer（14）With bearing inner race synchronous rotary；The pedestal of box assembly is solid with static platform
Even, fulcrum bearing（16）Pass through fulcrum bearing bolt（17）And fulcrum bearing positioning pin（15）It is fixed on pedestal（18）On, fulcrum bearing（16）
It is interior to be equipped with the plane consistent with plunger pump swash plate angle, single-row tapered roller bearing is assembled on this plane（6）, using in bearing
Circle bearing is by test specimen retainer（14）, retainer（14）With bearing inner race synchronous rotary；By test specimen ball bowl（13）Pass through twice O shapes
Circle（2）It is sleeved on the mandrel of internal rotating component（10）On, top is by spring base（12）Bearing, spring base（12）By pacifying thereon
The spring of dress（3）Adjust ball bowl（13）Pre-pressing force, spring base（12）With ball bowl（13）Pass through ball bowl positioning pin（4）After connection
Synchronous rotary, and spring base（12）With mandrel（10）Synchronous rotary after being linked by long positioning pin, works as mandrel（10）Top links
When dynamic device, the upper surface of long positioning pin of the measure setup between mandrel and spring base and mandrel（10）At the top of the shaft shoulder
The distance of A planes carrys out adjustment spring（3）Pressing force, simulate ball bowl（13）With retainer（14）Between installation condition, then
Ball bowl（13）Pass through two long positioning pins and mandrel（10）Synchronous rotary, and and retainer（14）Between formed dynamic friction pair, band
Dynamic retainer（14）Retainer is simulated in rotation（14）With ball bowl（13）Actual operating mode in plunger pump.
2. axial plunger pump as described in claim 1 and motor retainer assembly test device, which is characterized in that the case
Body component includes：Pedestal（18）, horizontal positioned to be fixed on experiment platform, babinet（7）Pass through bolt（9）It is fixed on pedestal
（18）On.
3. axial plunger pump as claimed in claim 2 and motor retainer assembly test device, which is characterized in that the base
Seat（18）With babinet（7）Between be equipped with pedestal O-ring（8）, for sealing, when being full of fluid in babinet, pedestal O-ring ensures
Sealing, will not oil liquid leakage.
4. axial plunger pump as described in claim 1 and motor retainer assembly test device, which is characterized in that the bullet
Spring（3）In mandrel（10）With spring base（12）Between formed resilient support, pass through spring（3）Installation number adjust ball bowl（13）
With retainer（14）Between pre-pressing force.
5. axial plunger pump as described in claim 1 and motor retainer assembly test device, which is characterized in that pass through survey
Measure long positioning pin（11）Upper surface and mandrel（10）The distances of A planes carry out adjustment spring（3）Installation number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417847.3A CN107228106B (en) | 2017-06-06 | 2017-06-06 | A kind of axial plunger pump and motor retainer assembly test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710417847.3A CN107228106B (en) | 2017-06-06 | 2017-06-06 | A kind of axial plunger pump and motor retainer assembly test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107228106A CN107228106A (en) | 2017-10-03 |
| CN107228106B true CN107228106B (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100243941B1 (en) * | 1997-11-27 | 2000-03-02 | 전주범 | An apparatus for testing the friction and the abrasion of a ball bearing in the compressor |
| RU2163013C2 (en) * | 1999-03-03 | 2001-02-10 | Томский политехнический университет | Test chamber of friction machine |
| CN100376886C (en) * | 2004-08-06 | 2008-03-26 | 浙江大学 | Axial plunger pump piston shoe auxiliary lubrication characteristic test device |
| CN102562566A (en) * | 2012-01-20 | 2012-07-11 | 哈尔滨工业大学 | Mechanical device for measuring leakage amount between plunger and cylinder body hole in plunger pump |
| CN203479505U (en) * | 2013-08-23 | 2014-03-12 | 西安航空动力控制科技有限公司 | Device for checking and accepting holder assembly |
| CN104074734B (en) * | 2014-07-02 | 2016-08-17 | 哈尔滨工业大学 | The oil film experimental apparatus for testing of plunger pair in a kind of plunger displacement pump |
| CN105201814B (en) * | 2015-09-09 | 2017-03-22 | 浙江大学 | Device for measuring stirring loss caused by high-speed rotating element of axial plunger pump/motor |
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