CN105043769A - Multifunctional diamond bearing test machine - Google Patents
Multifunctional diamond bearing test machine Download PDFInfo
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- CN105043769A CN105043769A CN201510563365.XA CN201510563365A CN105043769A CN 105043769 A CN105043769 A CN 105043769A CN 201510563365 A CN201510563365 A CN 201510563365A CN 105043769 A CN105043769 A CN 105043769A
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
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Abstract
The invention discloses a multifunctional diamond bearing test machine comprising a bracket and a test bench. The test bench is mounted on the bracket. The test bench comprises a bearing chuck plate and a bearing fixing flange which is rotationally mounted above the bearing chuck plate. A spherical hinge leveling device is arranged below the bearing chuck plate. The spherical hinge leveling device comprises a spherical tray, a spherical bulge, and a constrained spring. The spherical tray and the spherical surface of the spherical bulge match each other. Multiple circles of circular slots are milled on the upper surface of the spherical tray and the convex surface of the spherical bulge, and the circular slots are shallow and can accommodate lubrication butter. The constrained spring is arranged between the spherical tray and the spherical bulge, and the constrained spring is uniformly arranged between the spherical tray and the spherical bulge in an annular shape. The multifunctional diamond bearing test machine of the invention can be used to test the overall friction performance, abrasion performance, starting torque, working life and the like of diamond bearings in mud flushing conditions, and can be used to polish diamond bearings at high speed, remove blurs of diamond bearings and the like.
Description
Technical field
The present invention relates to probing and test field with drilling tool, particularly relate to a kind of Multifunctional diamond bearing tester.
Background technology
In the prior art, diamond bearing is down-hole equipment, particularly one of the critical component of mud motor, and diamond bearing is operated in slurry environment always, the performances such as its friction, wearing and tearing, shock resistance, and mission life is the major influence factors of mud motor performance.Currently there is no the experimental assembly that diamond bearing is tested, only before diamond bearing manufactures, the toughness of diamond chip (polycrystalline diamond or polycrystalline diamond compacts (PDC)), the frictional behaviour that manufacture bearing are tested, calculates the performance of bearing thus.In the actual manufacture process of diamond bearing, due to experience high-temperature firing or welding process, the performance of diamond chip generally declines, and the performance of single diamond chip cannot characterize the performance of the bearing of multi-diamond sheet composition, make the current larger gap of Performance Evaluation ubiquity to diamond bearing, seriously limit the use of subsurface tool, assessment and promote.
Summary of the invention
For above-mentioned shortcoming and defect of the prior art, the object of the present invention is to provide a kind of Multifunctional diamond bearing tester.
The object of the invention is to be achieved through the following technical solutions:
A kind of Multifunctional diamond bearing tester, comprise support, testing table, testing table is rack-mount, testing table comprises bearing chuck and bearing mounting flange, bearing mounting flange is rotatable to be arranged on above bearing chuck, ball pivot levelling device is provided with below bearing chuck, ball pivot levelling device comprises spherical pallet, hemisphere jut and restricted spring, together with spherical pallet cooperatively interacts with the sphere of hemisphere jut, multi-turn circular groove is all milled with at the nonreentrant surface of spherical tray upper surface and hemisphere jut, the more shallow butter holding lubrication of circular groove, restricted spring is arranged between spherical pallet and hemisphere jut, restricted spring is evenly arranged between spherical pallet and hemisphere jut with annular.
Preferably, also comprise fluid cylinder charger, described fluid cylinder charger comprises large fluid cylinder and small liquid jar, described large fluid cylinder and small liquid jar include cylinder body and plunger rod, the cylinder body of described small liquid jar is the plunger rod of large fluid cylinder, the plunger rod of described small liquid jar is arranged in the plunger rod of described large fluid cylinder, and described large fluid cylinder and small liquid jar are plunger case, and the plunger rod of described small liquid jar is connected to the below of spherical pallet.
Preferably, also comprise polishing block, described polishing block is also arranged on support.
Preferably, also comprise back shaft, described back shaft is arranged on support, and described back shaft is orthogonal is distributed in bearing chuck surrounding, described bearing chuck slides on described back shaft, and described bearing mounting flange is arranged in the coffin of back shaft formation by back up pad suspension.
Preferably, also comprise flange drive system, described ring flange drive system comprises electric rotating machine, driving wheel, synchronizing wheel, feed belt and speed reduction unit, described electric rotating machine is by horizontally suspending the side of frame installation at back shaft, the output shaft of described electric rotating machine is vertically arranged upward, output shaft connects driving wheel, described driving wheel connects synchronizing wheel by belt, described synchronizing wheel is arranged on the top of the coffin that back shaft is formed, connection reducer below described synchronizing wheel, described speed reduction unit output terminal connection bearing mounting flange.
Preferably, described speed reduction unit is arranged on above back up pad, described back up pad central aperture, and arranges bearing seat aloft, described coupling shaft one end connection reducer, and the other end is connected with bearing mounting flange through the bearing seat in back up pad.
Preferably, also comprise suction pit, there are in described suction pit two cavitys, splendid attire mud in a cavity, splendid attire polishing fluid in another cavity.
Preferably, described polishing block comprises polishing motor, rotate top dish, top fixed bar and fixed mount, described polishing motor is rack-mount, the top dish of described rotation comprises bearing pallet and top solid of revolution, described top solid of revolution passes bearing retainer disk center and is fixedly connected with bearing pallet, top fixed bar is respectively arranged with at the two ends rotating top dish, described top fixed bar has circular groove with the top end contacted of coiling of rotation, the top of the top dish of described rotation is arranged in described circular groove, the top dish of described rotation is vertically installed, being positioned at the top fixed bar rotating top dish top is arranged on the upper plate of fixed mount, described fixed mount is installed on the bracket, above the dismountable pole being arranged on fixed mount of the upper plate of described fixed mount, described polishing motor rotates top dish by belt drive and rotates.
Preferably, the enclosing preventing slurry liquid centrifugal force sputtering in bearing chuck rotation process is provided with at described bearing chuck edge.
Preferably, between described bearing mounting flange and coupling shaft, also torque sensor is installed; Described fluid cylinder charger Bonding pressure table.
Compared with prior art, the embodiment of the present invention at least has the following advantages:
Multifunctional diamond bearing tester of the present invention can be tested the frictional behaviour of the entirety of diamond bearing under mud flush state, polishing machine, staring torque, mission life etc., meanwhile, high speed polishing can be carried out, remove the operations such as burr diamond bearing.This multifunctional test machine can be utilized, carry out diamond bearing technological development, the work such as performance test of dispatching from the factory.
Accompanying drawing explanation
Fig. 1 is the structural representation of Multifunctional diamond bearing tester of the present invention;
Fig. 2 is the partial enlarged drawing at Fig. 1 centre bearer chuck and ball pivot levelling device position;
Fig. 3 is the structural representation of the spherical pallet of the ball pivot levelling device of Multifunctional diamond bearing tester of the present invention;
Fig. 4 is the structural representation of the hemisphere jut of the ball pivot levelling device of Multifunctional diamond bearing tester of the present invention.
Embodiment
Below in conjunction with Fig. 1-Fig. 4 and embodiment, the invention will be further described, and following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of Multifunctional diamond bearing tester, comprise support 1, testing table, testing table is arranged on support 1, testing table comprises bearing chuck 2 and bearing mounting flange 3, bearing mounting flange 3 is rotatable to be arranged on above bearing chuck 2, ball pivot levelling device 5 is provided with below bearing chuck 2, ball pivot levelling device 5 comprises spherical pallet 4, hemisphere jut 6 and restricted spring 8, together with spherical pallet 4 cooperatively interacts with the sphere of hemisphere jut 6, multi-turn circular groove 7 is all milled with at the nonreentrant surface of spherical pallet 4 upper surface and hemisphere jut 6, the more shallow butter holding lubrication of circular groove 7, restricted spring 8 is arranged between spherical pallet 4 and hemisphere jut 6, restricted spring 8 is evenly arranged between spherical pallet 4 and hemisphere jut 6 with annular.Due to mismachining tolerance, during experiment, bearing sound parts cannot accomplish that spring ball pivot levelling device 5 is the structure of ball hinged supporting+four spring constraint completely to flat, can reach the object regulated flat error.
Testing table also comprises fluid cylinder charger 9, described fluid cylinder charger 9 comprises large fluid cylinder and small liquid jar, described large fluid cylinder and small liquid jar include cylinder body and plunger rod, the cylinder body of described small liquid jar is the plunger rod of large fluid cylinder, the plunger rod of described small liquid jar is arranged in the plunger rod of described large fluid cylinder, described large fluid cylinder and small liquid jar are plunger case, and the plunger rod of described small liquid jar is connected to the below of spherical pallet 4.The accurate charger of biliquid cylinder, manually fluid cylinder hydrodynamic force is delivered in plunger case and goes to produce loading force, and bearing loads and adopts twin-tub loaded in series, and the plunger rod of large fluid cylinder is the cylindrical shell of small liquid jar, and two fluid cylinders are plunger case.Large hydraulic cylinder loads, small cylinder precise fine-adjustment on-load pressure, improves the accuracy loaded.
Testing table also comprises back shaft 10, described back shaft 10 is arranged on support 1, described back shaft 10 is orthogonal is distributed in bearing chuck 2 surrounding, described bearing chuck 2 slides on described back shaft 10, and described bearing mounting flange 3 is arranged in the coffin of back shaft 10 formation by back up pad 15 suspension.
Testing table also comprises flange drive system, described ring flange drive system comprises electric rotating machine 11, driving wheel 12, synchronizing wheel 13, feed belt and speed reduction unit 14, described electric rotating machine 11 is by horizontally suspending the side of frame installation at back shaft 10, the output shaft of described electric rotating machine 11 is vertically arranged upward, output shaft connects driving wheel 12, described driving wheel 12 connects synchronizing wheel 13 by belt, described synchronizing wheel 13 is arranged on the top of the coffin that back shaft 10 is formed, connection reducer 14 below described synchronizing wheel 13, described speed reduction unit 14 output terminal connection bearing mounting flange 3.Electric rotating machine 11 horizontally suspends the side being arranged on back shaft 10, a height that can reduce testing machine entirety, and two can also the center of gravity of Adjustment Tests machine entirety, avoids it cross inclined run-off the straight due to center of gravity or collapse.When the moment of torsion that bearing mounting flange 3 feeds back to is too large, due to by belt transport power, can avoid drive system that destructive fault occurs by the mode of belt slip.
Described speed reduction unit 14 is arranged on above back up pad 15, described back up pad 15 central aperture, and arranges bearing seat aloft, described coupling shaft one end connection reducer 14, and the other end is connected with bearing mounting flange 3 through the bearing seat in back up pad 15.
This Multifunctional diamond bearing tester also comprises polishing block, and described polishing block is also arranged on support 1.Described polishing block comprises polishing motor 16, rotate top dish, top fixed bar 18 and fixed mount 19, described polishing motor 16 is arranged on support 1, the top dish of described rotation comprises bearing pallet 20 and top solid of revolution 21, described top solid of revolution 21 passes bearing pallet 20 center and is fixedly connected with bearing pallet 20, top fixed bar 18 is respectively arranged with at the two ends rotating top dish, described top fixed bar 18 has circular groove with the top end contacted of coiling of rotation, the top of the top dish of described rotation is arranged in described circular groove, the top dish of described rotation is vertically installed, being positioned at the top fixed bar 18 rotating top dish top is arranged on the upper plate of fixed mount 19, described fixed mount 19 is arranged on described support 1, above the dismountable pole being arranged on fixed mount 19 of upper plate of described fixed mount 19, described polishing motor 16 rotates top dish by belt drive and rotates.
The enclosing 22 preventing slurry liquid centrifugal force sputtering in bearing chuck 2 rotation process is provided with at described bearing chuck 2 edge.
Between described bearing mounting flange 3 and coupling shaft, torque sensor 23 is also installed; Described fluid cylinder charger 9 Bonding pressure table.Back up pad 15 is for carrying top speed reduction unit 14, moreover, the pressure passed over by bearing mounting flange 3 is all born by back up pad 15, effectively protect torque sensor 23, in addition, torque sensor 23 is directly connected with bearing mounting flange 3, the torque of bearing mounting flange 3 can be measured in real time, if and all directly can not measure torque really before being installed to electric rotating machine 11 outgoing position or speed reduction unit 14, if be arranged on electric rotating machine 11 output shaft, when moment of torsion is excessive, belt can skid and can not detect the change of moment of torsion, before being installed to speed reduction unit 14, also need certain conversion relation just can obtain the moment of torsion of bearing mounting flange 3, and the numerical value of this moment of torsion is actual also certain difference.
In the framework of support 1, also comprise suction pit 17, there are in described suction pit 17 two cavitys, splendid attire mud in a cavity, splendid attire polishing fluid in another cavity.When testing machine carries out the test of bearing friction coefficient, moment of friction and mission life, the slurry liquid in suction pit 17 is passed through steam piano pump to bearing chuck 2 place, and then flow back to suction pit 17 by pipeline.And when polishing block carries out bearing polishing, also need by polishing liquid pump to bearing pallet 20 for bearing polishing.
Diamond bearing multifunctional test machine:
Testing machine function is, the test such as friction factor, moment of friction, mission life of the bearings such as wimet alignment bearing, PDC thrust bearing, ball bearing, hydrodynamic bearing, alignment bearing, meanwhile, can carry out polishing to bearing.
Testing machine friction testing principle of work is, the quiet parts of (1) diamond bearing are fixed by bearing chuck 2, and the dynamic component of bearing is fixed by bearing mounting flange 3; (2) rotate mair motor by after synchronizing wheel 13 and belt gear, after being slowed down by speed reduction unit 14, be with dynamic bearing dynamic component to rotate; (3) load fluid cylinder upwards jack-up, the dynamic and static parts of bearing are contacted; (4) measure on-load pressure by the hydralic pressure gauge be connected on fluid cylinder, moment of friction measured by torque sensor 23, and computer data acquisition system acquisition time measures, and can complete the friction testing of bearing.
Testing machine polishing principle is: rotating top dish two ends is be the solid of revolution of a rotating disc with wimet point, centre.Polished bearing is pressed on certain pressure and rotates above top dish.During polishing, polishing motor 16 driving pulley rotates, and causes and rotates top dish High Rotation Speed, rotate top dish and bearing carries out the object that high-speed friction reaches polishing.The rotating speed of the rotating speed and bearing mounting flange 3 that rotate top dish is all controlled by numerically-controlled machine.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. a Multifunctional diamond bearing tester, it is characterized in that, comprise support, testing table, testing table is rack-mount, testing table comprises bearing chuck and bearing mounting flange, bearing mounting flange is rotatable to be arranged on above bearing chuck, ball pivot levelling device is provided with below bearing chuck, ball pivot levelling device comprises spherical pallet, hemisphere jut and restricted spring, together with spherical pallet cooperatively interacts with the sphere of hemisphere jut, multi-turn circular groove is all milled with at the nonreentrant surface of spherical tray upper surface and hemisphere jut, the more shallow butter holding lubrication of circular groove, restricted spring is arranged between spherical pallet and hemisphere jut, restricted spring is evenly arranged between spherical pallet and hemisphere jut with annular.
2. Multifunctional diamond bearing tester according to claim 1, it is characterized in that, also comprise fluid cylinder charger, described fluid cylinder charger comprises large fluid cylinder and small liquid jar, described large fluid cylinder and small liquid jar include cylinder body and plunger rod, and the cylinder body of described small liquid jar is the plunger rod of large fluid cylinder, and the plunger rod of described small liquid jar is arranged in the plunger rod of described large fluid cylinder, described large fluid cylinder and small liquid jar are plunger case, and the plunger rod of described small liquid jar is connected to the below of spherical pallet.
3. Multifunctional diamond bearing tester according to claim 1 and 2, is characterized in that, also comprise polishing block, and described polishing block is also arranged on support.
4. Multifunctional diamond bearing tester according to claim 2, it is characterized in that, also comprise back shaft, described back shaft is arranged on support, described back shaft is orthogonal is distributed in bearing chuck surrounding, described bearing chuck slides on described back shaft, and described bearing mounting flange is arranged in the coffin of back shaft formation by back up pad suspension.
5. Multifunctional diamond bearing tester according to claim 4, it is characterized in that, also comprise flange drive system, described ring flange drive system comprises electric rotating machine, driving wheel, synchronizing wheel, feed belt and speed reduction unit, described electric rotating machine is by horizontally suspending the side of frame installation at back shaft, the output shaft of described electric rotating machine is vertically arranged upward, output shaft connects driving wheel, described driving wheel connects synchronizing wheel by belt, described synchronizing wheel is arranged on the top of the coffin that back shaft is formed, connection reducer below described synchronizing wheel, described speed reduction unit output terminal connection bearing mounting flange.
6. according to the attached described Multifunctional diamond bearing tester of claim, it is characterized in that, described speed reduction unit is arranged on above back up pad, described back up pad central aperture, and aloft bearing seat is set, described coupling shaft one end connection reducer, the other end is connected with bearing mounting flange through the bearing seat in back up pad.
7. Multifunctional diamond bearing tester according to claim 3, is characterized in that, also comprise suction pit, has two cavitys in described suction pit, splendid attire mud in a cavity, splendid attire polishing fluid in another cavity.
8. Multifunctional diamond bearing tester according to claim 3, it is characterized in that, described polishing block comprises polishing motor, rotate top dish, top fixed bar and fixed mount, described polishing motor is rack-mount, the top dish of described rotation comprises bearing pallet and top solid of revolution, described top solid of revolution passes bearing retainer disk center and is fixedly connected with bearing pallet, top fixed bar is respectively arranged with at the two ends rotating top dish, described top fixed bar has circular groove with the top end contacted of coiling of rotation, the top of the top dish of described rotation is arranged in described circular groove, the top dish of described rotation is vertically installed, being positioned at the top fixed bar rotating top dish top is arranged on the upper plate of fixed mount, described fixed mount is installed on the bracket, above the dismountable pole being arranged on fixed mount of the upper plate of described fixed mount, described polishing motor rotates top dish by belt drive and rotates.
9., according to claim 1-2, the arbitrary described Multifunctional diamond bearing tester in 4-border, it is characterized in that, be provided with the enclosing preventing slurry liquid centrifugal force sputtering in bearing chuck rotation process at described bearing chuck edge.
10. the Multifunctional diamond bearing tester according to claim border, is characterized in that, between described bearing mounting flange and coupling shaft, be also provided with torque sensor; Described fluid cylinder charger Bonding pressure table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510563365.XA CN105043769B (en) | 2015-09-07 | 2015-09-07 | Multifunctional diamond bearing tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510563365.XA CN105043769B (en) | 2015-09-07 | 2015-09-07 | Multifunctional diamond bearing tester |
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| CN105043769A true CN105043769A (en) | 2015-11-11 |
| CN105043769B CN105043769B (en) | 2017-08-25 |
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| CN201510563365.XA Expired - Fee Related CN105043769B (en) | 2015-09-07 | 2015-09-07 | Multifunctional diamond bearing tester |
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Cited By (4)
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| CN109779702A (en) * | 2019-03-29 | 2019-05-21 | 中国船舶重工集团公司第七0四研究所 | The highly integrated steam turbine bearing holder structure of oil circuit |
| CN109946028A (en) * | 2019-03-01 | 2019-06-28 | 陈瑞云 | A kind of spring tension and compression test equipment based on lever self-regulated |
| CN110593752A (en) * | 2019-10-22 | 2019-12-20 | 中国地质大学（北京） | All-metal downhole power drilling tool based on multi-stage double-plunger-eccentric gear mechanism |
| CN112985807A (en) * | 2021-04-22 | 2021-06-18 | 青岛理工大学 | Cambered surface roller ball holds in palm structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946028A (en) * | 2019-03-01 | 2019-06-28 | 陈瑞云 | A kind of spring tension and compression test equipment based on lever self-regulated |
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| CN110593752A (en) * | 2019-10-22 | 2019-12-20 | 中国地质大学（北京） | All-metal downhole power drilling tool based on multi-stage double-plunger-eccentric gear mechanism |
| CN110593752B (en) * | 2019-10-22 | 2024-03-22 | 中国地质大学（北京） | All-metal underground power drilling tool based on multistage double-plunger-eccentric gear mechanism |
| CN112985807A (en) * | 2021-04-22 | 2021-06-18 | 青岛理工大学 | Cambered surface roller ball holds in palm structure |
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