CN207832446U - Sample sliding bearing PV testing machines easy to assemble - Google Patents
Sample sliding bearing PV testing machines easy to assemble Download PDFInfo
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- CN207832446U CN207832446U CN201721121290.0U CN201721121290U CN207832446U CN 207832446 U CN207832446 U CN 207832446U CN 201721121290 U CN201721121290 U CN 201721121290U CN 207832446 U CN207832446 U CN 207832446U
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- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 238000002474 experimental method Methods 0.000 claims abstract description 28
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000010304 firing Methods 0.000 abstract 1
- 230000003028 elevating effect Effects 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of sample sliding bearing PV testing machines easy to assemble.It is intended to provide a kind of high speed, high load sliding bearing friction and wearing performance testing equipment.It includes rack, experiment casing, experiment axis, mechanical main shaft, servo motor, movable end cover, union joint, load maintainer and electrical control system.Test specimen is sliding bearing or bearing shell.The sliding bearing of test specimen is mounted in test stand, and the position that can be loaded is pushed into along one end of experiment axis.Test specimen in place after, movable end cover together with combination bearing by accurate runway push-in experiment axis, can the experiment of firing test machine after locking.Sample is to be used as experimental condition by pressure and linear velocity, and pressure takes elevator and loading motor, spring base, pressure sensor method, steady pressure.This testing equipment has the advantages that following three is big：First, high rotating speed, top load sliding bear experiment can be competent at；Second is that sample is convenient for disassembly and assembly；Third, having automatic load and load automatic compensation function.
Description
Technical field
The utility model is a kind of testing equipment, more particularly, to the experiment of sliding bearing friction and wearing performance test
Machine.
Background technology
Bearing is a kind of important spare part in contemporary mechanical equipment.Its major function is the mechanical rotary body of support, is reduced
Friction coefficient in its motion process, and ensure its rotating accuracy.Verification and the reliability for improving sliding bearing are to ensure machinery
Equipment normal operation and the precondition used.This just needs the experiment by sliding bearing PV testing machines.Sliding newly developed
Bearing will also be examined by the verification of sliding bearing PV testing machines, can just be put into serial production after reaching desired indicator as defined in items.
The sliding bearing of high speed and high load will pass through the verification of high speed and high load sliding bearing PV testing machines.Single swing arm type sliding axle
The experiment of high speed and high load can not be competent at by holding PV testing machines, so dual-gripper must be used, (the bearing both ends being tested are all
Some supports）Design.The sample handling of the sliding bearing PV testing machines of current existing dual-gripper are taken time very much, and others are not
Foot place further includes experiment low, hydraulic loaded stability difference of linear velocity etc..
Invention content
The purpose of this utility model is to provide a kind of sliding bearing PV testing machines of the easy folding of sample, solve above-mentioned biography
The sample of the sliding bearing PV testing machines of system loads and unloads slow problem, also helps to improve solving experiment linear velocity is low and hydraulic loaded
The problem for the load stability difference brought.
In order to achieve the above object, the technical solution of the utility model is：It includes rack, is fixed in the upper plane of rack
There are experiment casing and mechanical main shaft, it is characterized in that securing moveable end cap, movable end cover in the left side of chamber
A combination bearing is mounted in interstitial hole（As left support）, chamber right side is mounted with two rolling bearings（As right branch
Support）, experiment axis is mounted on combination bearing（Left support）On rolling bearing（Right support）, test axis among be mounted with test stand and
Test specimen, the right end for testing axis are connect by a pair of of union joint with the mechanical main shaft being fixed on the rack on the right side of plane, mechanical main shaft
It is connect with the servo motor being fixed on the left of rack lower plane by a pair of of synchronous pulley, servo motor is driven by timing belt pulley
Dynamic mechanical main shaft, mechanical main shaft band dynamic test shaft rotation is dynamic, and movable end cover removes outward together with combination bearing when dismounting test specimen, is convenient for
To mill part and test specimen dismounting.Elevator and loading motor are secured on rack lower plane, it is characterized in that fixed on elevator
Spring base is mounted with that spring, spring upper end are connected with load bar among spring base, and load bar is solid with pressure sensor lower end
Fixed, pressure sensor upper end secures mandril, and mandril upper end withstands test stand, moved up and down by elevator, compresses or loosens
Spring, the elastic force of spring is to loading test specimen by mandril.
According to the sample sliding bearing PV testing machines easy to assemble that said program designs, there is bearing support at experiment two end of axis, right
End is fixed on the rolling bearing in chamber, and left end slides in the built-up shaft bearing bore on movable end cover, when test specimen is installed, is torn open
Except the fixed screw of moveable end cap, movable end cover is displaced outwardly, and keeps combination bearing and experiment axis on movable end cover de-
It opens, test stand can be easily installed to remove on experiment axis or from experiment axis.The load of testing machine is using spring
Elastic force is loaded, it can be achieved that automatic load or imperial load, motor drive elevator rotation, the elevating lever on elevator to make to transport up and down
Dynamic, when elevating lever moves upwards, the elastic force of the spring base compressed spring being connected on elevating lever, spring pushes load bar upward
Movement is fixed on pressure sensor on load bar and mandril is pushed to move upwards, and mandril is implemented to load to test stand.It is tested when experiment
Axis rotation rubs to test specimen, and experiment axis takes motor by Dong and drives realization high speed rotation by mechanical main shaft device.
Description of the drawings
Fig. 1 is the front view of sample sliding bearing PV testing machines easy to assemble.
Fig. 2 is the top view of sample sliding bearing PV testing machines easy to assemble.
Fig. 3 is the test specimen dismounting figure of sample sliding bearing PV testing machines easy to assemble.
In figure：1, rack；2, chamber；3, mechanical main shaft, 4, rolling bearing；5, movable end cover；6, combination bearing；7, sliding
Dynamic bearing；8, rolling bearing；9, axis is tested；10, shaft coupling；11, to grinding part；12, test specimen；13, test stand；14, mandril；15、
Pressure sensor；16, load bar；17, loading spring, 18, spring base；19, elevator；20, loading motor；21, servo motor,
22, linear bearing；23, guide post.
Specific implementation mode
The utility model will be further described with reference to the accompanying drawings and examples.
Fig. 1 is sample sliding bearing PV testing machine front views easy to assemble.As seen from the figure, it includes organic frame 1, rack 1
Upper plane is fixed with chamber 2 and mechanical main shaft 3, and two rolling bearings 4,2 left side of chamber are installed in 2 right end hole of chamber
It is fixed with moveable end cap 5, a combination bearing 6 is mounted in 5 hole of movable end cover, combination bearing 6 is by sliding bearing 7
It is composed with rolling bearing 8, experiment 9 right end of axis and the sliding on 4 interference installation of rolling bearing, left end and combination bearing 6
7 slide fit of bearing is installed, and experiment 9 right end of axis is connect by shaft coupling 10 with mechanical main shaft 3, fixed to grinding part 11 among experiment axis 9,
12 interference of test specimen is mounted in 13 hole of test stand, and is slided over together on mill part 11 with test stand 13（Clearance fit）, experiment
Center carries out loading effect to seat 13 equipped with a mandril 14 to test specimen below, and mandril 14 is fixed with pressure sensor 15 below,
15 lower end of pressure sensor is fixed with load bar 16, and load bar 16 is connected with loading spring 17, and loading spring 17 is mounted on spring
In seat 18, spring base 18 is fixed on elevator 19, and elevator 19 is fixed on 1 lower plane of rack, and elevator 19 is by load electricity
Machine 20 drives.Servo motor 21 is installed on the left of 1 lower plane of rack, Dong takes motor 21 and drives mechanical main shaft 3 by synchronous pulley
Rotation, the rotation of mechanical main shaft 3 are rotated by shaft coupling 10 with dynamic test axis 9.
Fig. 2 is sample sliding bearing PV testing machine top views easy to assemble.As seen from the figure, for 5 side of dismounting of movable end cover
Just, two linear bearings 22 are installed in 5 two side of movable end cover, and are matched with two guide posts 23 for being fixed on 2 two side of chamber
Serve lead it is accurate, experiment 9 left end of axis be mounted on 7 hole of sliding bearing in, then 5 chamber 2 of movable end fix.
As shown in figure 3, removing the fixed screw on movable end cover 5 when test specimen folding, movable end cover 5 is removed to the left, is made
It tests axis 9 to disengage with sliding bearing 7, movable end cover 5 is rested on by linear bearing 22 on guide post 23, is then torn open or is filled to grinding part 11
With test stand 13.
Claims (3)
1. a kind of sample sliding bearing PV testing machines easy to assemble, by rack, chamber, mechanical main shaft, servo motor, shaft coupling,
To mill part, movable end cover, load bar, loading spring, elevator, loading motor composition, chamber is equipped with movable end cover, built-up shaft
It holds, guide rail, experiment axis, has filled moveable end cap in the lateral surface of chamber, one is mounted in movable end cover interstitial hole
A combination bearing is as left support, and chamber right side is mounted with two rolling bearings as right support, and experiment axis is mounted on combination
It on bearing and rolling bearing, tests and is mounted with test stand and test specimen among axis, test the right end of axis by a pair of of union joint and consolidate
The mechanical main shaft connection being scheduled in rack on the right side of plane, the operation principle of the PV testing machines are：Servo below table top
Motor drives the mechanical main shaft being mounted on above table top to rotate by synchronous belt, and mechanical main shaft drives chamber by shaft coupling
The experiment axis of the inside makees relatively mill part with the test specimen being mounted in test stand with being rotated to mill part on axis, rotation is fixed on
Sliding friction；Lifting motor below table top by elevator compression-loaded spring, by load bar to test stand into
Row load, the pressure of test stand is the loading force of test specimen, and test specimen is sliding bearing, first test specimen is mounted in test stand, edge
The one end for axis is pushed into loading position, and movable end cover is then pushed into experiment axis, fastening together with combination bearing along guide rail
The i.e. assembly of completion test specimen afterwards, start-up loading motor compression-loaded spring to authorized pressure, adjusting servo motor to egulation rotating speed,
Starting to test, after the test, closes servo motor, mechanical main shaft stops rotating, and loading motor reversely rotates, discharge degree,
Movable end cover fixing bolt is unclamped, movable end cover is removed from experiment axis, test stand is taken out to mill part then, will be tried
Part is extruded from test stand, that is, completes the dismounting of test specimen.
2. sample sliding bearing PV testing machines easy to assemble according to claim 1, it is equipped with guide post in chamber, activity
Linear bearing, translatable assembly are equipped in end cap.
3. sample sliding bearing PV testing machines easy to assemble according to claim 1, test specimen can be in the feelings that axis does not remove
It is installed under condition, test specimen is together with test stand by being pushed into loading position to mill part outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721121290.0U CN207832446U (en) | 2017-09-04 | 2017-09-04 | Sample sliding bearing PV testing machines easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721121290.0U CN207832446U (en) | 2017-09-04 | 2017-09-04 | Sample sliding bearing PV testing machines easy to assemble |
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| Publication Number | Publication Date |
|---|---|
| CN207832446U true CN207832446U (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721121290.0U Active CN207832446U (en) | 2017-09-04 | 2017-09-04 | Sample sliding bearing PV testing machines easy to assemble |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682560A (en) * | 2019-01-30 | 2019-04-26 | 平湖市凯丰机械制造有限公司 | Axle sleeve waves PV integration test machine |
| CN109724800A (en) * | 2019-02-21 | 2019-05-07 | 浙江双飞无油轴承股份有限公司 | A kind of low uniform rectilinear's sliding bearing Friction Force test machine |
| CN111006866A (en) * | 2019-12-03 | 2020-04-14 | 一汽解放汽车有限公司 | Sliding bearing PV test loading mechanism |
| CN111912720A (en) * | 2020-07-17 | 2020-11-10 | 中国航发湖南动力机械研究所 | Centrifugal loading device for photosensitive resin model |
-
2017
- 2017-09-04 CN CN201721121290.0U patent/CN207832446U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682560A (en) * | 2019-01-30 | 2019-04-26 | 平湖市凯丰机械制造有限公司 | Axle sleeve waves PV integration test machine |
| CN109682560B (en) * | 2019-01-30 | 2024-03-26 | 平湖市凯丰机械制造有限公司 | Shaft sleeve swing PV integrated testing machine |
| CN109724800A (en) * | 2019-02-21 | 2019-05-07 | 浙江双飞无油轴承股份有限公司 | A kind of low uniform rectilinear's sliding bearing Friction Force test machine |
| CN109724800B (en) * | 2019-02-21 | 2024-05-03 | 双飞无油轴承集团股份有限公司 | Low uniform linear sliding bearing friction force testing machine |
| CN111006866A (en) * | 2019-12-03 | 2020-04-14 | 一汽解放汽车有限公司 | Sliding bearing PV test loading mechanism |
| CN111912720A (en) * | 2020-07-17 | 2020-11-10 | 中国航发湖南动力机械研究所 | Centrifugal loading device for photosensitive resin model |
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Address after: No. 18 Hongwei North Road, Ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province, 314115 Patentee after: Shuangfei Oil Free Bearing Group Co.,Ltd. Address before: No. 18 Hongwei North Road, Ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province, 314115 Patentee before: ZHEJIANG SF OILLESS BEARING Co.,Ltd. |