CN206906026U - A kind of electrodynamic type bearing test-bed varying load loading unit - Google Patents

A kind of electrodynamic type bearing test-bed varying load loading unit Download PDF

Info

Publication number
CN206906026U
CN206906026U CN201720858457.5U CN201720858457U CN206906026U CN 206906026 U CN206906026 U CN 206906026U CN 201720858457 U CN201720858457 U CN 201720858457U CN 206906026 U CN206906026 U CN 206906026U
Authority
CN
China
Prior art keywords
bearing
column
guide rail
transmission rod
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720858457.5U
Other languages
Chinese (zh)
Inventor
涂文兵
何海斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
East China Jiaotong University
Original Assignee
East China Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by East China Jiaotong University filed Critical East China Jiaotong University
Priority to CN201720858457.5U priority Critical patent/CN206906026U/en
Application granted granted Critical
Publication of CN206906026U publication Critical patent/CN206906026U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of electrodynamic type bearing test-bed varying load loading unit, is made up of base, column I, column II, guide rail I, guide rail II, motor mounting plate, motor, shaft coupling, leading screw, bearing, crossbeam, threaded orifice plate, transmission rod I, transmission rod II, yoke frame, force snesor, rolling bearing units, trip bolt etc..The loading device rotates by motor is converted into the movement of yoke frame to apply the radial load of bearing test-bed through screw pair, and the amount of movement of yoke frame is controlled by the rotating of controlled motor and rotating speed, to realize the loading of varying load operating mode lower bearing experiment.Due to the load maintainer using motor-driven screw-nut pair, compared with existing bearing test-bed loading device, it is time saving and energy saving that the device has, the advantages that easy to operate and dependable performance, and the loading under simulation bearing varying load operating mode can be realized, the occasion of varying load operating mode lower bearing performance test need to be carried out especially suitable for bearing test-bed.

Description

A kind of electrodynamic type bearing test-bed varying load loading unit
Technical field
A kind of electrodynamic type bearing test-bed varying load loading unit is the utility model is related to, belongs to bearing test machinery technology Field.
Background technology
Bearing is one of important foundation part in industrial machinery, and its service behaviour directly determines that complete machine is availability Energy.Rolling bearing is generally made up of outer ring, inner ring, rolling element and the part of retainer four, and it is to support the rotation in machinery that it, which is acted on, Rotating accuracy of the part to reduce the friction in its motion and ensure rotation part.
The practical service environment of bearing is typically varying load operating mode, and its running situation under varying load operating mode often with It is very different under steady load operating mode.At present, the most bearing test-bed of in the market is applied permanent manually using screw mechanism Number load and fluid pressure type apply permanent several two kinds of load modes of load.As all kinds of mechanical precisions and the continuous of reliability requirement carry Height, then it is particularly important to bearing progress experimental study, so as to which the bearing test-bed that can carry out varying load conditions researching need to be designed, And then a kind of varying load loading unit need to be designed.Utility model patent CN200620051114.X discloses a kind of rolling bearing examination Platform is tested, its loading device is by connection wedge, sensor overcoat, sensor pressure head and load maintainer into load maintainer and sensor It is outer to apply mechanically revolute pair connection, couple wedge upper end pin and the connection of sensor overcoat, lower end is fixed with screw and loading sleeve, is sensed Device be mounted in sensor overcoat in, one end of loading device and rotating shaft is fixedly connected with pin, the other end revolute pair of rotating shaft with Frame couples.Though the utility model loading device is simple and compact for structure and dependable performance, due to being added manually using screw mechanism Load mode, therefore the problem of wasting time and energy be present in the loading device, and be only capable of applying permanent several radial loads, and can not meet The loading requirement of varying load operating mode lower bearing experiment.
The content of the invention
In order to overcome the problem that wastes time and energy existing for the bearing test-bed loading device described in background technology, and meet to become The loading requirement of load working condition lower bearing experiment, the utility model provide a kind of electrodynamic type bearing test-bed varying load loading dress Put, the movement that the device is converted into yoke frame by motor rotation through screw pair carries to apply the radial direction of bearing test-bed Lotus, and the amount of movement of yoke frame is controlled by the rotating of controlled motor and rotating speed, to realize that varying load operating mode lower bearing tries The loading tested.
Technical scheme includes used by the utility model solves its technical problem:Base, column I, column II, guide rail I, Guide rail II, motor mounting plate, motor, shaft coupling, leading screw, bearing, crossbeam, threaded orifice plate, transmission rod I, transmission rod II, pushing tow Part, force snesor, rolling bearing units, trip bolt.Column I, column II are fixed on base by trip bolt V;Guide rail I, lead Rail II is respectively and fixedly connected to column I, on column II by trip bolt III;The rectangular channel of rolling bearing units two sides respectively with guide rail I, Guide rail II is engaged, and composition slides prismatic pair;Force snesor is arranged in the groove middle of rolling bearing units upper end, and passes through circular hole Positioning;Crossbeam is connected by trip bolt IV with the side of column I, column II;Cylindrical hole among bearing outer ring and crossbeam is Interference fit connection;Leading screw lower end shaft part is interference fit with bearing inner race, and its positioning shaft shoulder is engaged with bearing inner race end face; Motor mounting plate is connected by trip bolt II with column I, column II;Motor is fixed in motor mounting plate by trip bolt I On, its output shaft is connected by shaft coupling with leading screw upper end shaft part;The screwed hole of threaded orifice plate is to be threadedly coupled with leading screw, group Into screw pair, the rectangular channel of its two sides is engaged with guide rail I, guide rail II respectively;The upper end of transmission rod I, transmission rod II Connected with the cylindrical hole of threaded orifice plate for interference fit;Between transmission rod I, transmission rod II pass through two cylindrical holes of crossbeam and are Gap coordinates, and the cylindrical hole of its lower end and yoke frame connects for interference fit.
The utility model has an advantageous effect in that compared with background technology:
(1)The maximum difference of the utility model and other like products is to rotate through screw pair by motor The movement of yoke frame is converted into apply the radial load of bearing test-bed, and is controlled by the rotating of controlled motor and rotating speed The amount of movement of yoke frame processed, to realize the loading of varying load operating mode lower bearing experiment.
(2)It is time saving and energy saving using the load mode of motor-driven screw-nut pair mechanism, efficiency high.
The apparatus structure is compact, easy to operate and dependable performance, and varying load work need to be carried out especially suitable for bearing test-bed The occasion of condition lower bearing performance test.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is fundamental diagram of the present utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
As shown in Figures 1 and 2, the utility model includes base 1, column I 2, guide rail I 3, rolling bearing units 4, power sensing Device 5, yoke frame 6, transmission rod I 7, bearing 8, crossbeam 9, threaded orifice plate 10, leading screw 11, shaft coupling 12, motor mounting plate 13, electricity Machine 14, trip bolt I 15, trip bolt II 16, column II 17, guide rail II 18, trip bolt III 19, transmission rod II 20, fastening Screw IV 21, trip bolt V 23;22 be rotating shaft.
Column I 2, column II 17 are fixed on base 1 by trip bolt V 23;Guide rail I 3, guide rail II 18 pass through fastening Screw III 19 is respectively and fixedly connected to column I 2, on column II 17;The rectangular channel of the two sides of rolling bearing units 4 respectively with guide rail I 3, guide rail II 18 are engaged, and composition slides prismatic pair;Force snesor 5 is arranged in the groove middle of the upper end of rolling bearing units 4, and passes through circular hole Positioning;Crossbeam 9 is connected by trip bolt IV 21 with the side of column I 2, column II 17;Among the outer ring of bearing 8 and crossbeam 9 Cylindrical hole connects for interference fit;The lower end shaft part of leading screw 11 is to be interference fitted with the inner ring of bearing 8, in its positioning shaft shoulder and bearing 8 Circle end face is engaged;Motor mounting plate 13 is connected by trip bolt II 16 with column I 2, column II 17;Motor 14 passes through fastening Screw I 15 is fixed on motor mounting plate 13, and its output shaft is connected by shaft coupling 12 with the upper end shaft part of leading screw 11;It is with threaded hole The screwed hole of plate 10 and leading screw 11 is be threadedly coupleds, composition screw pair, the rectangular channel of its two sides respectively with guide rail I 3, lead Rail II 18 is engaged;Transmission rod I 7, the upper end of transmission rod II 20 connect with the cylindrical hole of threaded orifice plate 10 for interference fit;Pass Power bar I 7, transmission rod II 20 pass through two cylindrical holes of crossbeam 9 and coordinated for gap, and its lower end and the cylindrical hole of yoke frame 6 are Interference fit connection.
Operation principle of the present utility model is as follows:
Apply before use, the bearing inner race of rolling bearing units 4 is first enclosed on rotating shaft 22 at load position, then pass through trip bolt Base 1 is fixed on the support of bearing experiment table, whole device is formed an entirety with support.In use, utilize motor The varying load curve compiled program that control software applies needs, is then introduced into motor;Using feed screw nut vice mechanism, pass through control The rotating of motor 14 processed and rotating speed are made up of to control threaded orifice plate 10, transmission rod I 7, transmission rod II 20 and yoke frame 6 The amount of movement of force transferring part, to realize that the varying load operating mode of bearing test-bed loads.When motor 14 rotates forward, the rotation of leading screw 11 Moving down for threaded orifice plate 10 is converted into, and then drives yoke frame 6 to move down by transmission rod I 7, transmission rod II 20, So that yoke frame 6 passes through force snesor 5(Real load can be measured by force snesor 5)Extrude rolling bearing units 4, rolling bearing units 4 Power is passed to rotating shaft 22 again, it is faster that motor 14 rotates forward the more big then radial load increase of rotating speed;When motor 14 inverts, leading screw 11 It is converted into moving up for threaded orifice plate 10, and then yoke frame 6 is driven to moving up by transmission rod I 7, transmission rod II 20 Dynamic, the more big then radial load of the reverse of motor 14 reduces faster.

Claims (2)

  1. A kind of 1. electrodynamic type bearing test-bed varying load loading unit, by base, column I, column II, guide rail I, guide rail II, electricity Machine installing plate, motor, shaft coupling, leading screw, bearing, crossbeam, threaded orifice plate, transmission rod I, transmission rod II, yoke frame, power sensing Device, rolling bearing units, trip bolt composition, it is characterised in that column I (2), column II (17) are affixed by trip bolt V (23) On base (1);Guide rail I (3), guide rail II (18) are respectively and fixedly connected to column I (2), column II by trip bolt III (19) (17) on;The rectangular channel of rolling bearing units (4) two sides is engaged with guide rail I (3), guide rail II (18) respectively, and composition slides movement It is secondary;Force snesor (5) is arranged in the groove middle of rolling bearing units (4) upper end, and passes through round orifices orientation;Crossbeam (9) is by tight Gu screw IV (21) is connected with the side of column I (2), column II (17);Cylindrical hole among bearing (8) outer ring and crossbeam (9) Connected for interference fit;Leading screw (11) lower end shaft part is interference fit with bearing (8) inner ring, and its positioning shaft shoulder is interior with bearing (8) Circle end face is engaged;Motor mounting plate (13) is connected by trip bolt II (16) with column I (2), column II (17);Motor (14) it is fixed in by trip bolt I (15) on motor mounting plate (13), its output shaft passes through shaft coupling (12) and leading screw (11) Upper end shaft part is connected.
  2. A kind of 2. electrodynamic type bearing test-bed varying load loading unit according to claim 1, it is characterised in that:It is threaded The screwed hole of orifice plate (10) to be threadedly coupled, forms screw pair, the rectangular channel of its two sides is respectively with leading with leading screw (11) Rail I (3), guide rail II (18) are engaged;Transmission rod I (7), the upper end of transmission rod II (20) and the cylindrical hole of threaded orifice plate (10) Connected for interference fit;Transmission rod I (7), transmission rod II (20) pass through two cylindrical holes of crossbeam (9) and coordinated for gap, its Lower end and the cylindrical hole of yoke frame (6) connect for interference fit.
CN201720858457.5U 2017-07-15 2017-07-15 A kind of electrodynamic type bearing test-bed varying load loading unit Expired - Fee Related CN206906026U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720858457.5U CN206906026U (en) 2017-07-15 2017-07-15 A kind of electrodynamic type bearing test-bed varying load loading unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720858457.5U CN206906026U (en) 2017-07-15 2017-07-15 A kind of electrodynamic type bearing test-bed varying load loading unit

Publications (1)

Publication Number Publication Date
CN206906026U true CN206906026U (en) 2018-01-19

Family

ID=61313148

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720858457.5U Expired - Fee Related CN206906026U (en) 2017-07-15 2017-07-15 A kind of electrodynamic type bearing test-bed varying load loading unit

Country Status (1)

Country Link
CN (1) CN206906026U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111006598A (en) * 2019-12-06 2020-04-14 东华大学 Variable-load optical elastic fluid dynamic lubrication test bed based on PLC control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111006598A (en) * 2019-12-06 2020-04-14 东华大学 Variable-load optical elastic fluid dynamic lubrication test bed based on PLC control

Similar Documents

Publication Publication Date Title
CN103115772B (en) Axial nut loading mechanism for ball screen assemblies
CN106124207A (en) A kind of gear transmission error is test bed
CN203707978U (en) Integrated servo electric cylinder
CN108871634B (en) Testing device for testing friction moment and axial load of ball screw pair on line
CN205483567U (en) Bent ditch ball bearing performance test device
CN209648039U (en) A kind of hub-bearing unit clearance detection and negative clearance press-loading apparatus
CN206906026U (en) A kind of electrodynamic type bearing test-bed varying load loading unit
CN105091826A (en) Machine tool hydrostatic pressure guide rail oil film thickness detection test stand
CN202974657U (en) Testing apparatus of clutch release system
CN100561167C (en) A kind of testing machine of testing wind power generation pitch-controlling bearing
CN102080711A (en) Electric servo control push rod
CN201680959U (en) Double hydraulic cylinder loaded ball screw auxiliary experiment table
CN110530637B (en) Universal test platform for dynamic performance of planetary roller screw
CN107470895A (en) A kind of precompressed bolt assembly equipment and its assembly method
CN104132766A (en) High-precision torque detection device
CN103418724B (en) Twin screw electric screw press
CN201909005U (en) Electric servo control push rod
CN204269358U (en) A kind of rotating hydraulic damper Testing Platform
CN110849542A (en) High-precision supporting device provided with dual anti-rotation mechanisms and capable of bearing heavy load
CN101813561B (en) Detection device for load of rolling bearing and detection method thereof
CN203837890U (en) Bolt shearing impact fatigue testing machine
CN207571593U (en) A kind of linear motion device
CN202770631U (en) Radial sliding bearing static load loading device
CN105223020A (en) A kind of cone bearing pick-up unit
CN207675072U (en) A kind of push type basal plane assists detecting tool away from cubing

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180119

Termination date: 20180715

CF01 Termination of patent right due to non-payment of annual fee