CN102426152A - Metal-timber friction test platform - Google Patents
Metal-timber friction test platform Download PDFInfo
- Publication number
- CN102426152A CN102426152A CN2011103721836A CN201110372183A CN102426152A CN 102426152 A CN102426152 A CN 102426152A CN 2011103721836 A CN2011103721836 A CN 2011103721836A CN 201110372183 A CN201110372183 A CN 201110372183A CN 102426152 A CN102426152 A CN 102426152A
- Authority
- CN
- China
- Prior art keywords
- arm
- metal
- force
- synchronous pulley
- anchor clamps
- 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.)
- Granted
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a metal-timber friction test platform, which comprises a transmission system, a measurement system and a data acquisition system, wherein the transmission system consists of a motor, a small synchronous belt wheel, a synchronous belt, a large synchronous belt wheel and a main shaft; the measurement system consists of a clamp, an arm of force, a loading arm and a linear variable differential transformer (LVDT) sensor; the data acquisition system consists of a data acquisition instrument and a computer; the arm of force is deformed by timber-metal friction, so that the contact of the LVDT sensor on the loading arm produces displacement; and a displacement signal is processed by the data acquisition instrument and output through the computer. The metal-timber friction test platform has the characteristics of high precision, low construction cost, capacity of measuring different sections of timber and the like, and is suitable for research on the friction performance of the timber.
Description
Technical field
The present invention relates to the surveying instrument field, particularly a kind of metal-impregnated wood friction test platform that utilizes linear movement pick-up (LVDT) to measure friction force between metal and the timber.
Background technology
At present domestic friction test platform is generally to the rubbing wear between the metal; Common is pin disc type friction test platform; Be that the mode of utilizing foil gauge to measure arm of force distortion is measured friction force, the foil gauge signal is through electric bridge and signal processing circuit, again through data collecting card input computer; Its measuring result error is bigger, and stability is all relatively poor.The manufacture test platform of offshore company such as CSM company costs an arm and a leg, often up to hundreds thousand of Renminbi.In addition; All can relate to the friction of metal and timber in fields such as wood working, fruit tree machineries; Owing to the design feature of timber, branch self, need to measure the friction factor of varying cross-section, need special-purpose clamping design; Domestic this type of surveying instrument is less at present, has brought difficulty for the scientific research in these fields.
Summary of the invention
The objective of the invention is to overcome the shortcoming that exists in the prior art, provide that a kind of price is lower, precision is higher, be applicable to the metal-impregnated wood friction test platform of friction measurement between timber and the metal.
The object of the invention is realized through following technical proposals:
A kind of metal-impregnated wood friction test platform comprises kinematic train, measuring system and data acquisition system (DAS); Kinematic train by motor 1, small synchronous pulley 2, be with 3 synchronously, big synchronous pulley 4 and main shaft 5 form; Measuring system is made up of anchor clamps 7, the arm of force 8, loading arm 10 and LVDT sensor 11; Data acquisition system (DAS) is made up of data collecting instrument and computer; On the lower end output shaft of the motor of vertically placing 1 small synchronous pulley 2 is installed, the lower end of main shaft 5 is equipped with big synchronous pulley 4, and small synchronous pulley 2 is through be with 3 to be connected with synchronous pulley 4 greatly synchronously, and metal friction dish 6 is fixedly installed in the upper end of main shaft 5; The anchor clamps 7 that are used for clamping sample 9 are installed on the front end of the arm of force 8; The arm of force 8 parallels with loading arm 10 and all is fixed on the arm of force axle 13; LVDT sensor 11 is installed on the loading arm 10; The contact of LVDT sensor 11 just touches with the flanked of the arm of force 8, and the distortion of the arm of force 8 can make the contact of LVDT sensor 11 be subjected to displacement, and LVDT sensor 11 is connected with computer through data collecting instrument; The load bar 12 that is used to load counterweight 15 is fixed in the top of loading arm 10, and arm of force axle 13 is connected on the support 14 through pair of bearings, can rotate up and down neatly; Motor 1, main shaft 5 and support 14 all are installed on the platform 16.
The front portion of anchor clamps 7 is made up of two U type elastic steel sheets, can cylindrical sample be clamped, and the front portion of anchor clamps 7 is connected with the rear portion of anchor clamps 7 through bolt, and there is arc track the top at the rear portion of anchor clamps 7, and the anchor clamps front portion can be rotated.
Anchor clamps 7 pass through bolt in the both sides of clamps piece 1; On the clamps piece 1 protruding pin is arranged, deep-slotted chip breaker 21 is arranged on the clamps piece 2 19; The center of circle of the protruding pin of clamps piece 1 overlaps with the circular arc center of circle of the deep-slotted chip breaker 21 of clamps piece 2 19, and clamps piece 1 is connected with the deep-slotted chip breaker 21 of clamps piece 2 19 through bolt 20 and is fixing.Unclamp bolt 20, rotary clamp fixed block 1 then can be adjusted the angle of inclination of anchor clamps 7; Simultaneously, bolt 20 can be confirmed the reposition of anchor clamps 7 through the position of adjustment bolt 20 in 21 li rotations of deep-slotted chip breaker, through this adjusting, can guarantee the applying of wood sample and frictional disk.
The arm of force 8 is processed by stalloy, and anchor clamps 7 are installed on the front end of the arm of force 8 through bolt.
Loading arm 10 is provided with the more than one through hole that is used to install LVDT sensor 11.
Principle of work of the present invention: the present invention provides driving force through buncher 1, and uses and be with 3 transmissions to slow down synchronously, has the advantages that with 3 effect is fixed and cushioned to ratio of gear synchronously; Big synchronous pulley 4 after the deceleration drives metal friction dish 6 through a main shaft 5 and rotates, and metal friction dish 6 contacts with wood sample 9 and rubs; Wood sample 9 usefulness anchor clamps 7 are fixing, and these anchor clamps 7 can be adjusted angle, and the bottom surface of sample 9 and the surperficial keeping parallelism of metal friction dish 6 are contacted; Anchor clamps 7 are installed on the arm of force 8, and the arm of force 8 can deform because receive friction force in friction process; LVDT sensor 11 is installed on the loading arm 10 parallel with the arm of force 8; Let the contact of LVDT sensor 11 contact with the arm of force 8; And in the process that the arm of force 8 deforms, produce displacement; Displacement signal is handled by acquisition system and the input computing machine obtains output by software, can be according to deformation displacement measurement amount friction force after the relation of arm of force distortion and friction force is demarcated; The arm of force 8 all is fixed on the same arm of force axle 13 with loading arm 10, and this arm of force axle 13 is connected with support 14 through bearing, guarantees that the arm of force 8 can rotate up and down, and obtains load through the loading on loading arm 10.
The present invention compared with prior art has following advantage and effect:
(1) the present invention utilizes the mode of linear movement pick-up measurement arm of force displacement to measure friction force, utilizes custom-designed sample holder to come the clamping wood sample, utilizes buncher that power is provided; And with band deceleration synchronously, measurement result is accurate, adjustable-speed; The sample adjustable angle is impacted less.
(2) price of the present invention is lower, and equipment is simple.
Description of drawings
Fig. 1 is a front elevation of the present invention.
Fig. 2 is a vertical view of the present invention.
Fig. 3 is the vertical view of anchor clamps of the present invention.
Fig. 4 is the front elevation of anchor clamps of the present invention.
Fig. 5 is the side view of anchor clamps of the present invention.
Wherein, 1, motor; 2, small synchronous pulley; 3, be with synchronously; 4, big synchronous pulley; 5, main shaft; 6, metal friction dish; 7, anchor clamps; 8, the arm of force; 9, sample; 10, loading arm; 11, LVDT sensor; 12, load bar; 13, arm of force axle; 14, support; 15, counterweight; 16, platform; 17, groove; 18, the clamps piece one; 19, the clamps piece two; 20, bolt; 21, deep-slotted chip breaker.
Embodiment
Below in conjunction with embodiment the present invention is done further detailed description, but embodiment of the present invention is not limited thereto.
Embodiment
Metal-impregnated wood friction test platform comprises kinematic train, measuring system and data acquisition system (DAS).Kinematic train by motor 1, small synchronous pulley 2, be with 3 synchronously, big synchronous pulley 4 and main shaft 5 form.Measuring system is made up of anchor clamps 7, the arm of force 8, loading arm 10 and LVDT sensor 11.Data acquisition system (DAS) is made up of data collecting instrument and computer.
On the lower end output shaft of the motor of vertically placing 1 small synchronous pulley 2 is installed, the lower end of main shaft 5 is equipped with big synchronous pulley 4, and small synchronous pulley 2 is through be with 3 to be connected with synchronous pulley 4 greatly synchronously, and metal friction dish 6 is fixedly installed in the upper end of main shaft 5.Buncher 1 through small synchronous pulley 2, synchronously with 3 and big synchronous pulley 4 reach the purpose of decelerations, vibration damping, big synchronous pulley 4 drives 6 rotations of metal friction dishes through main shaft 5.
The anchor clamps 7 that are used for clamping sample 9 are installed on the front end of the arm of force 8 through bolt, and the arm of force 8 is processed by stalloy, and the arm of force 8 parallels with loading arm 10 and all is fixed on the arm of force axle 13.The load bar 12 that is used to load counterweight 15 is fixed in the top of loading arm 10.Arm of force axle 13 is connected on the support 14 through pair of bearings, can rotate up and down neatly.Loading arm 10 is provided with the more than one through hole that is used to install LVDT sensor 11.LVDT sensor 11 is installed on the loading arm 10, and the contact of LVDT sensor 11 just touches with the flanked of the arm of force 8, and the distortion of the arm of force 8 can make the contact of LVDT sensor 11 be subjected to displacement.
The front portion of anchor clamps 7 is made up of two U type elastic steel sheets, can cylindrical sample be clamped, and the front portion of anchor clamps 7 is connected with the rear portion of anchor clamps 7 through bolt, and there is arc track the top at the rear portion of anchor clamps 7, and the anchor clamps front portion can be rotated.Anchor clamps 7 pass through bolt in the both sides of clamps piece 1; On the clamps piece 1 protruding pin is arranged, deep-slotted chip breaker 21 is arranged on the clamps piece 2 19; The center of circle of the protruding pin of clamps piece 1 overlaps with the circular arc center of circle of the deep-slotted chip breaker 21 of clamps piece 2 19, and clamps piece 1 is connected with the deep-slotted chip breaker 21 of clamps piece 2 19 through bolt 20 and is fixing.Unclamp bolt 20, rotary clamp fixed block 1 then can be adjusted the angle of inclination of anchor clamps 7; Simultaneously, bolt 20 can be confirmed the reposition of anchor clamps 7 through the position of adjustment bolt 20 in 21 li rotations of deep-slotted chip breaker, through this adjusting, can guarantee the applying of wood sample and frictional disk.
Claims (6)
1. a metal-impregnated wood friction test platform is characterized in that: comprise kinematic train, measuring system and data acquisition system (DAS); Kinematic train is made up of motor, small synchronous pulley, synchronous band, big synchronous pulley and main shaft; Measuring system is made up of anchor clamps, the arm of force, loading arm and LVDT sensor; Data acquisition system (DAS) is made up of data collecting instrument and computer; On the lower end output shaft of the motor of vertically placing small synchronous pulley is installed, the lower end of main shaft is equipped with big synchronous pulley, and small synchronous pulley is connected with big synchronous pulley through synchronous band, and the metal friction dish is fixedly installed in the upper end of main shaft; The anchor clamps that are used for the clamping sample are installed on the front end of the arm of force; The arm of force and loading arm parallel and all are fixed on the arm of force axle; The LVDT sensor is installed on the loading arm, and the contact of LVDT sensor just touches with the flanked of the arm of force, and the LVDT sensor is connected with computer through data collecting instrument; The load bar that is used to load counterweight is fixed in the top of loading arm, and arm of force axle is connected on the support through pair of bearings; Motor, main shaft and support all are installed on the platform.
2. metal-impregnated wood friction test platform according to claim 1 is characterized in that: the front portion of anchor clamps is made up of two U type elastic steel sheets, and the front portion of anchor clamps is connected with the rear portion of anchor clamps through bolt, and there is arc track the top at the rear portion of anchor clamps.
3. metal-impregnated wood friction test platform according to claim 1 is characterized in that: anchor clamps pass through bolt in the both sides of clamps piece one; On the clamps piece one protruding pin is arranged, on the clamps piece two deep-slotted chip breaker is arranged; The center of circle of the protruding pin of clamps piece one overlaps with the circular arc center of circle of the deep-slotted chip breaker of clamps piece two, and clamps piece one is connected with the deep-slotted chip breaker of clamps piece two through bolt and is fixing.
4. metal-impregnated wood friction test platform according to claim 1 is characterized in that: loading arm is provided with the more than one through hole that is used to install the LVDT sensor.
5. metal-impregnated wood friction test platform according to claim 1 is characterized in that: platform is provided with the groove that is used to regulate distance between small synchronous pulley and the big synchronous pulley.
6. metal-impregnated wood friction test platform according to claim 1 is characterized in that: platform is provided with the groove that is used to regulate contact position between sample and the metal friction dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110372183 CN102426152B (en) | 2011-11-21 | 2011-11-21 | Metal-timber friction test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110372183 CN102426152B (en) | 2011-11-21 | 2011-11-21 | Metal-timber friction test platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102426152A true CN102426152A (en) | 2012-04-25 |
| CN102426152B CN102426152B (en) | 2013-05-01 |
Family
ID=45960157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110372183 Expired - Fee Related CN102426152B (en) | 2011-11-21 | 2011-11-21 | Metal-timber friction test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102426152B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822747A (en) * | 2014-03-19 | 2014-05-28 | 哈尔滨理工大学 | Device for measuring rolling friction force |
| CN103868846A (en) * | 2014-03-19 | 2014-06-18 | 哈尔滨工业大学 | Test bed and measurement method for measuring friction coefficient of electric brush |
| CN104749096A (en) * | 2015-03-23 | 2015-07-01 | 同济大学 | Device for measuring mechanical friction and adhesion coefficient |
| CN105372141A (en) * | 2015-12-07 | 2016-03-02 | 奥瑞金包装股份有限公司 | Wear resistance test device |
| CN105547809A (en) * | 2016-01-05 | 2016-05-04 | 山东大学 | ECC axial tension test deformation monitoring system and method |
| CN108037069A (en) * | 2017-11-14 | 2018-05-15 | 洛阳理工学院 | One kind pin disk frictional testing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0694600A (en) * | 1992-09-11 | 1994-04-05 | Hitachi Chem Co Ltd | Friction test device |
| CN1645103A (en) * | 2005-01-27 | 2005-07-27 | 上海交通大学 | Microfriction testers |
| CN101526463A (en) * | 2009-04-23 | 2009-09-09 | 哈尔滨工业大学 | Experimental apparatus for testing sliding friction property of friction materials |
-
2011
- 2011-11-21 CN CN 201110372183 patent/CN102426152B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0694600A (en) * | 1992-09-11 | 1994-04-05 | Hitachi Chem Co Ltd | Friction test device |
| CN1645103A (en) * | 2005-01-27 | 2005-07-27 | 上海交通大学 | Microfriction testers |
| CN101526463A (en) * | 2009-04-23 | 2009-09-09 | 哈尔滨工业大学 | Experimental apparatus for testing sliding friction property of friction materials |
Non-Patent Citations (1)
| Title |
|---|
| 王慰祖等: "点接触边界润滑吸附膜计算模型", 《摩擦学学报》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822747A (en) * | 2014-03-19 | 2014-05-28 | 哈尔滨理工大学 | Device for measuring rolling friction force |
| CN103868846A (en) * | 2014-03-19 | 2014-06-18 | 哈尔滨工业大学 | Test bed and measurement method for measuring friction coefficient of electric brush |
| CN103868846B (en) * | 2014-03-19 | 2016-05-04 | 哈尔滨工业大学 | Frictional Factor of Electric Brush testboard and measuring method thereof |
| CN103822747B (en) * | 2014-03-19 | 2016-07-06 | 哈尔滨理工大学 | A kind of device for measuring force of rolling friction |
| CN104749096A (en) * | 2015-03-23 | 2015-07-01 | 同济大学 | Device for measuring mechanical friction and adhesion coefficient |
| CN104749096B (en) * | 2015-03-23 | 2017-07-28 | 同济大学 | A kind of mechanical friction and adhesion coefficient determine device |
| CN105372141A (en) * | 2015-12-07 | 2016-03-02 | 奥瑞金包装股份有限公司 | Wear resistance test device |
| CN105547809A (en) * | 2016-01-05 | 2016-05-04 | 山东大学 | ECC axial tension test deformation monitoring system and method |
| CN105547809B (en) * | 2016-01-05 | 2018-05-29 | 山东大学 | ECC axial tension tests DEFORMATION MONITORING SYSTEM and method |
| CN108037069A (en) * | 2017-11-14 | 2018-05-15 | 洛阳理工学院 | One kind pin disk frictional testing machine |
| CN108037069B (en) * | 2017-11-14 | 2024-02-20 | 洛阳理工学院 | Pin disc friction testing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102426152B (en) | 2013-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102426152B (en) | Metal-timber friction test platform | |
| CN201653691U (en) | Bearing dynamic stiffness testing device | |
| CN204346854U (en) | A kind of micro-moving frictional wear testing machine based on shaking table | |
| CN101832901B (en) | Contact-type frictional interface stick-slip characteristic on-line detection device | |
| CN102519809B (en) | Material torsion testing machine | |
| CN206469808U (en) | A kind of shaft-like workpiece detection means | |
| CN207717269U (en) | Realize the motor characteristic test device adjusted to different torque measurement ranges | |
| CN112518459B (en) | Polishing device for metal plate and using method thereof | |
| CN102539238A (en) | Precision-grade material tension and compression stiffness tester | |
| CN103353368A (en) | Torque test platform | |
| CN203643273U (en) | Cam type in-situ three-point bending type fatigue mechanics performance testing platform | |
| CN104977112A (en) | Precise shaft dynamic torque measuring instrument | |
| CN101581645A (en) | Insulator bending-torsion testing machine | |
| CN201697862U (en) | Contact type friction interface stick-slip characteristic on-line detecting device | |
| CN203432801U (en) | Performance test experiment table for static-pressure gas antithrust bearing | |
| CN101957271B (en) | High-speed large-displacement servo loading test platform | |
| CN102322812A (en) | Small-Abbe-error three-dimensional measurement system | |
| CN204575038U (en) | T-type elevator guide rail full-automatic detection apparatus | |
| CN201653643U (en) | Cam independent weight loading/unloading deadweight standard force device | |
| CN102192814A (en) | Dead weight type standard force source device for cam type independent weight loading and unloading | |
| CN202420973U (en) | Tension and compression stiffness testing machine for precise materials | |
| CN212060501U (en) | Motor test tool | |
| CN102279100A (en) | Rigidity tester for rolling linear guide pair | |
| CN208488085U (en) | A kind of linear guide mounting hole spacing cumulative measurement mechanism | |
| CN207991440U (en) | Concentricity detecting tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |