CN206862857U - A kind of swinging coefficient of sliding friction is test bed - Google Patents
A kind of swinging coefficient of sliding friction is test bed Download PDFInfo
- Publication number
- CN206862857U CN206862857U CN201720402383.4U CN201720402383U CN206862857U CN 206862857 U CN206862857 U CN 206862857U CN 201720402383 U CN201720402383 U CN 201720402383U CN 206862857 U CN206862857 U CN 206862857U
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- sliding friction
- rotary shaft
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
It is test bed to the utility model is related to a kind of swinging coefficient of sliding friction, it is described test bed mainly to include stand, rotation system, cylinder, elevating mechanism, buffer spring, pressue device and sample holder；The stand is used to support all devices；The rotation system is made up of motor, two shaft couplings, torque sensor and rotary shaft；The cylinder is connected in rotary shaft by being fixed in two disk sets on the inside of it；The elevating mechanism is made up of the leading screw of rotatable threaded connection with being fixed in the feed screw nut on top on the right side of stand, and with buffer spring, pressue device are dismountable successively from top to bottom is fixedly connected；The sample holder is fixed on stand.The utility model can be used for measuring the coefficient of sliding friction under different contacts, different rotating speeds between cylinder and sample.The utility model can also be used to measure the coefficient of sliding friction between the cylinder and sample of unlike material.The test platform structure is compact, simple to operate, and measurement accuracy is high, has a wide range of application.
Description
Technical field
It is test bed to the utility model is related to a kind of swinging coefficient of sliding friction, and in particular to one kind is in different contacts
Under pressure, different rotating speeds, the test platform of the coefficient of sliding friction between cylinder specimen and sample.
Background technology
The test of the swinging coefficient of sliding friction under different contacts, different rotating speeds, is widely used in conveying machinery, agriculture
Transmission, the rotating mechanism fields such as industry machinery, space flight, ship, locomotive.In most cases, rotary body different contacts,
Tissue change, shape distortion etc. can be produced in contact site with contactant under different rotating speeds (particularly high rotating speed), causes two things
The actual coefficient of sliding friction between body changes.At present, the test platform to the coefficient of sliding friction is according to sample mostly
Simple uniform motion is done on planar object, by measuring its pulling force, obtains the coefficient of sliding friction indirectly, and can not be measured
The actual coefficient of sliding friction under different contacts, different rotating speeds between cylinder specimen and sample.
Utility model content
The purpose of this utility model is primarily directed to the technical problem in above-mentioned field face, and a kind of test of design is not
Under same contact, different rotating speeds between cylinder specimen and sample the coefficient of sliding friction Special test platform.
What the purpose of this utility model was realized in：A kind of swinging coefficient of sliding friction is test bed, including platform
Frame, rotation system, cylinder, elevating mechanism, buffer spring, pressue device and sample holder.Motor and torque sensor are from a left side
Turn right and be configured to successively on stand, the first bearing seat and second that the rotary shaft on the right side of the rotation system is rotationally fitted in
In bearing block, first bearing seat and second bearing seat are fixed on stand, and the cylinder with the first of its inner ring both ends by justifying
Disk and the second disk are affixed, are connected to so as to cover in rotary shaft, the elevating mechanism by rotatable threaded connection leading screw with it is affixed
The feed screw nut composition on top on the right side of stand, the elevating mechanism, buffer spring and pressue device are removable successively from top to bottom
Dress formula is fixedly connected, and sample holder is secured on stand.It is characterized in that：The rotation system drives cylinder rotation by rotary shaft
Turn, the helical rotation between leading screw and feed screw nut is converted into pressurization by the elevating mechanism by configuring the bearing in connector
Device is moved up and down, and the sample holder being secured on stand is centrally located on leading screw axis, leading screw axis and cylinder axis
It is intersecting and vertical, there is certain gap, outside sample holder base plane and barrel top between pressing plate and sample holder
There is certain gap between surface.
Pressue device applies predetermined pressure under the driving of elevating mechanism to the sample in sample holder, realizes pressure
Loading, motor drive torque sensor, rotary shaft rotation, realize the rotation of cylinder successively.By changing pressure-loaded and motor
Rotating speed, and then realize the test of the coefficient of sliding friction between cylinder and sample under different contacts, different rotating speeds.This practicality is new
Type is applied to test the coefficient of sliding friction under different contacts, different rotating speeds between cylinder specimen and sample, has knot
The features such as structure is compact, simple to operate, and measurement accuracy is high.
Brief description of the drawings
Fig. 1 is the test bed structural representation of the swinging coefficient of sliding friction；
Fig. 2 is the test bed left view of the swinging coefficient of sliding friction；
Fig. 3 is the three dimensional structure diagram of elevating mechanism, buffer spring and pressue device；
Fig. 4 is the three dimensional structure diagram of sample holder；
Fig. 5 is the affixed half-section diagram on the rotary shaft of cylinder；
Fig. 6 is the test bed three dimensional structure diagram of the swinging coefficient of sliding friction.
Piece number explanation in figure：
1st, stand, 2, motor, 3, preposition shaft coupling, 4, torque sensor, 5, rearmounted shaft coupling, 6, feed screw nut, 7, silk
Thick stick, 8, bearing, 9, connector, 10, buffer spring, the 11, first screw rod, 12, pressure sensor, 13, clamp nut, 14, second
Screw rod, 15, pressing plate, 16, sample holder, 17, cylinder, the 18, first disk, the 19, second disk, 20, rotary shaft, 21, first
Bearing block, 22, second bearing seat.
Embodiment
1~6 pair of the utility model embodiment is described in detail below in conjunction with the accompanying drawings.A kind of swinging sliding friction system
Number is test bed, including stand 1, rotation system, cylinder 17, elevating mechanism, buffer spring 10, pressue device and sample are placed
Box 16, motor 2 and torque sensor 4 are configured on stand 1 successively from left to right, and the rotary shaft 20 on the right side of the rotation system can
In the first bearing seat 21 and second bearing seat 22 that are rotationally fitted in, first bearing seat 21 and second bearing seat 22 are fixed in platform
On frame 1, the cylinder 17 is connected to rotary shaft by affixed with first disk 18 and the second disk 19 at its inner ring both ends so as to cover
On 20, the elevating mechanism is made up of the leading screw 7 of rotatable threaded connection with being fixed in the feed screw nut 6 on the right side top of stand 1,
The elevating mechanism, buffer spring 10 and pressue device are dismountable successively from top to bottom to be fixedly connected, and sample holder 16 is solid
It is connected on stand 1, it is characterised in that：The rotation system drives cylinder 17 to rotate by rotary shaft 20, and the elevating mechanism passes through
Helical rotation between leading screw 7 and feed screw nut 6 is converted into moving up and down for pressue device by the bearing 8 configured in connector 9,
The sample holder 16 being secured on stand 1 is centrally located on the axis of leading screw 7, and the axis of leading screw 7 and the axis of cylinder 17 are intersecting and vertical
Directly, there is certain gap, the base plane of sample holder 16 and the top of cylinder 17 are outer between pressing plate 15 and sample holder 16
There is certain gap between surface.
During work, sample is placed in sample holder 16, and had necessarily between sample and sample holder 16
Gap, it is easy to freely move up and down, sample bottom contacts with the outer surface of cupular part of cylinder 17, then rotates clockwise leading screw 7, by silk
The rotary motion of thick stick 7 by bearing 8 be converted into connector 9, buffer spring 10, pressure sensor 12 and pressing plate 15 to moving down
Dynamic, until the bottom surface of pressing plate 15 and sample contacts, stop operating leading screw 7 when the display of pressure sensor 12 reaches predetermined pressure,
Wherein, buffer spring 10 act as buffering above and below sample and fluctuated to being impacted firmly caused by elevating mechanism, passes through pressure sensor 12
Gather the contact pressure F between sample and cylinder 17N, finally start motor 2, motor 2 is passed by preposition shaft coupling 3 with dynamic torque
Sensor 4 works, and the other end of torque sensor 4 drives rotary shaft 20 to rotate by rearmounted shaft coupling 5, and then drives outside diameter
Rotated for D cylinder 17, read the torque value T gathered when torque sensor 4 works.The data of collection substitute into following public by more than
Formula：
In formula：The coefficients of sliding friction of the f between cylinder and sample,
T0For the torque value rotated during cylinder zero load, Nm,
T is the torque value of rotary drum when having load, Nm,
D is drum diameter, m,
FNContact between sample and steel rider, N.
Directly obtain the value f of the coefficient of sliding friction between sample and cylinder.
This coefficient of sliding friction test platform, pressure sensor 12 and pressing plate 15 is driven to move up and down by rotational lead screw 7,
The contact between sample and cylinder 17, and the torque value that the rotating speed of regulation motor 2 collection cylinder 17 rotates are gathered, and then is realized
Coefficient of sliding friction f of the test cylinder 17 under different contacts, different rotating speeds between sample.
Claims (4)
1. a kind of swinging coefficient of sliding friction is test bed, including stand, rotation system, cylinder, elevating mechanism, buffering elastic
Spring, pressue device and sample holder, motor and torque sensor are configured on stand successively from left to right, the rotation system
The rotary shaft on right side is rotationally fitted in first bearing seat and second bearing seat, and first bearing seat and second bearing seat are affixed
In on stand, the cylinder is connected in rotary shaft so as to cover by affixed with first disk and the second disk at its inner ring both ends,
The elevating mechanism is made up of the leading screw of rotatable threaded connection with being fixed in the feed screw nut on top on the right side of stand, the lifting
Mechanism, buffer spring and pressue device are dismountable successively from top to bottom to be fixedly connected, and sample holder is secured on stand, its
It is characterised by：The rotation system drives cylinder rotation by rotary shaft, and the elevating mechanism is by configuring the axle in connector
Hold and the helical rotation between leading screw and feed screw nut is converted into moving up and down for pressue device, the sample being secured on stand is placed
Box is centrally located on leading screw axis, and leading screw axis and cylinder axis are intersecting and vertical, have one between pressing plate and sample holder
Fixed gap, there is certain gap between sample holder base plane and barrel top outer surface.
2. the swinging coefficient of sliding friction according to claim 1 is test bed, it is characterised in that：The rotation system
Mainly include motor, preposition shaft coupling, torque sensor, rearmounted shaft coupling and rotary shaft, motor is by being fixed in torque sensing
The preposition shaft coupling and rearmounted shaft coupling of device left and right ends are driven to rotary shaft.
3. the swinging coefficient of sliding friction according to claim 1 is test bed, it is characterised in that：The elevating mechanism
Mainly include feed screw nut and leading screw, leading screw is threadedly coupled with the feed screw nut being fixed on stand, by rotational lead screw, makes it
Relative motion is produced, and then adjusts pressue device position.
4. the swinging coefficient of sliding friction according to claim 1 is test bed, it is characterised in that：The pressue device
Mainly include pressure sensor, the second screw rod, clamp nut and pressing plate, pressure sensor lower end is by clamp nut and the second screw rod
Upper end it is dismountable be fixedly connected, the center of pressing plate is fixed in the lower end of the second screw rod, and pressing plate pressure passes through
Two screw rods pass to pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720402383.4U CN206862857U (en) | 2017-04-18 | 2017-04-18 | A kind of swinging coefficient of sliding friction is test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720402383.4U CN206862857U (en) | 2017-04-18 | 2017-04-18 | A kind of swinging coefficient of sliding friction is test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206862857U true CN206862857U (en) | 2018-01-09 |
Family
ID=60816553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720402383.4U Expired - Fee Related CN206862857U (en) | 2017-04-18 | 2017-04-18 | A kind of swinging coefficient of sliding friction is test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206862857U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932312A (en) * | 2018-07-19 | 2019-06-25 | 中国石油大学(华东) | Pipeline cleaner seal rubber disk testing device for friction coefficient and test method |
| CN110553817A (en) * | 2019-10-22 | 2019-12-10 | 中国计量大学 | Non-smooth wall friction resistance testing arrangement based on it is underwater |
| CN112067548A (en) * | 2020-09-24 | 2020-12-11 | 中国计量大学 | Portable surface resistance coefficient testing arrangement |
| CN112345395A (en) * | 2020-10-23 | 2021-02-09 | 燕山大学 | Low-frequency heavy-load impact sliding friction wear test device |
| CN112557297A (en) * | 2020-12-11 | 2021-03-26 | 河北省产品质量监督检验研究院 | Method for measuring sliding friction coefficient between two materials |
| CN112683673A (en) * | 2020-12-21 | 2021-04-20 | 哈尔滨商业大学 | Snow-removing rolling brush mechanical property test experiment table and test method |
| CN112683779A (en) * | 2020-12-11 | 2021-04-20 | 河北省产品质量监督检验研究院 | Skates positioning mechanism for sliding friction coefficient measuring device |
-
2017
- 2017-04-18 CN CN201720402383.4U patent/CN206862857U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932312A (en) * | 2018-07-19 | 2019-06-25 | 中国石油大学(华东) | Pipeline cleaner seal rubber disk testing device for friction coefficient and test method |
| CN109932312B (en) * | 2018-07-19 | 2021-05-28 | 中国石油大学(华东) | Device and method for testing friction coefficient of sealing rubber disc of pipeline cleaner |
| CN110553817A (en) * | 2019-10-22 | 2019-12-10 | 中国计量大学 | Non-smooth wall friction resistance testing arrangement based on it is underwater |
| CN112067548A (en) * | 2020-09-24 | 2020-12-11 | 中国计量大学 | Portable surface resistance coefficient testing arrangement |
| CN112345395A (en) * | 2020-10-23 | 2021-02-09 | 燕山大学 | Low-frequency heavy-load impact sliding friction wear test device |
| CN112345395B (en) * | 2020-10-23 | 2021-10-08 | 燕山大学 | Low-frequency heavy-load impact sliding friction wear test device |
| CN112557297A (en) * | 2020-12-11 | 2021-03-26 | 河北省产品质量监督检验研究院 | Method for measuring sliding friction coefficient between two materials |
| CN112683779A (en) * | 2020-12-11 | 2021-04-20 | 河北省产品质量监督检验研究院 | Skates positioning mechanism for sliding friction coefficient measuring device |
| CN112683673A (en) * | 2020-12-21 | 2021-04-20 | 哈尔滨商业大学 | Snow-removing rolling brush mechanical property test experiment table and test method |
| CN112683673B (en) * | 2020-12-21 | 2024-03-19 | 哈尔滨商业大学 | Snow-removing rolling brush mechanical property test experiment table and test method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20180418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |