CN106198286A - A kind of piston pin swinging pair tribological wear components assay device - Google Patents
A kind of piston pin swinging pair tribological wear components assay device Download PDFInfo
- Publication number
- CN106198286A CN106198286A CN201610502338.6A CN201610502338A CN106198286A CN 106198286 A CN106198286 A CN 106198286A CN 201610502338 A CN201610502338 A CN 201610502338A CN 106198286 A CN106198286 A CN 106198286A
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- China
- Prior art keywords
- piston pin
- drive system
- assay device
- piston
- camshaft
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
Abstract
The invention provides a kind of piston pin swinging pair tribological wear components assay device, including parts mounting platform, loading system, slot-and-crank drive system, drive system, heating system, described parts mounting platform includes piston, piston pin, small end of connecting rod and all kinds of fixed frame, described loading system includes that camshaft and combination disk spring, described drive system include motor, belt and flywheel.Described camshaft one end is affixed with described slot-and-crank drive system, and the other end is connected with described drive system, and described camshaft is connected with described mounting platform by bearing.The cycle driving described loading system and described slot-and-crank drive system to realize described piston pin swing process by described drive system loads, and described heating system is arranged on inside piston pin hole.The present invention realizes simple in construction, adds carried convenient, low cost, can effectively simulate actual experimental environment lower piston pin swinging pair friction and wear characteristic.
Description
Technical field
The invention belongs to technical field of internal combustion engines, especially relate to a kind of piston pin swinging pair tribological wear components test dress
Put.
Background technology
Along with electromotor is continually strengthened, maximum explosive pressure and rotating speed are all greatly improved, and cause small end of connecting rod load to increase,
Easily there is the faults such as abrasion or ablation in piston pin, for preventing this type of fault need to carry out the friction of piston pin swinging pair with small end bushing
Wear test.
The most conventional piston pin swinging pair ctf, by hydraulic loaded, uses toggle to realize past
Multiple oscillating motion, but above-mentioned assay device is typically only capable to carry out material level friction-wear test, it is impossible to investigate malformation pair
In the impact of fretting wear, and owing to using hydraulic servocontrol, manufacture and control relatively costly, in view of the above problems, this
The bright one low cost that proposes, simple to operate, the piston pin swinging pair frictional wear test device that Machine cycle loads can be realized.
Summary of the invention
In view of this, it is contemplated that propose a kind of piston pin swinging pair tribological wear components assay device, to be implemented as
This is low, simple to operate, can realize the piston pin swinging pair frictional wear test device that Machine cycle loads.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of piston pin swinging pair tribological wear components assay device, including parts mounting platform, loading system, drivetrain
System, heating system and slot-and-crank drive system, described parts mounting platform includes affixed support frame and cylinder sleeve fixed knot
Structure, described cylinder sleeve fixed structure inner chamber is used for placing test piston component, described test piston component include piston, piston pin and
Small end of connecting rod, described small end of connecting rod is connected by piston pin combination with piston；
Described loading system is arranged in support frame, and including camshaft and combination disk spring, the middle part of described camshaft sets
Being equipped with the cam of the cam profile structure that can realize specific lift, described combination disk spring one end is connected with cam contact, the other end
Connect small end of connecting rod；One end of described camshaft is connected with drive system, and the other end is connected with slot-and-crank drive system；
Described slot-and-crank drive system includes rotation bar, connecting rod and the swing arm being flexibly connected successively, described rotation bar
The other end affixed with one end of described camshaft, the other end of described swing arm by a power transmission shaft affixed with piston pin；Institute
State heating system to can be placed in piston pin.
Further, described cylinder sleeve fixed structure includes the cylinder sleeve fixed mount of cylindrical shape and top cover fixed thereon, described
The bottom of cylinder sleeve fixed mount is provided with outer rim boss radially, and described outer rim boss is bolted on support frame top, institute
The side stating cylinder sleeve fixed mount is provided with through hole, for the connection of piston pin Yu slot-and-crank drive system.
Further, described support frame includes upper frame, middle frame and the underframe being fixedly connected sequentially from top to bottom,
Described cylinder sleeve fixed mount is affixed with upper frame, is fixed the cam of loading system between described middle frame and underframe by bearing
Axle.
Further, described combination disk spring includes disc spring, loads set and the axis of guide, and multiple described disc spring superpositions are sleeved on to be led
On axle；One end of the described axis of guide is provided with disc spring position limiting structure and cam contact, the other end affixed loading set, described loading
Set connects small end of connecting rod.
Further, with described cam lift when the phase place of described cam is arranged and is met described swing arm swing speed maximum
Maximum is corresponding.
Further, described drive system includes motor, belt and flywheel, and described flywheel is passed through described skin by described motor
Band drives, and the center of described flywheel is affixed with described camshaft one end.
Further, described heating system includes heating rod, can be inserted into and realizes test piston component heating in piston pin.
Further, described parts mounting platform also includes testing table top, with experiment table top 1 company of fixing bottom support frame
Connecing, described motor is arranged on experiment table top.
Further, described power transmission shaft is supported on the upper surface of upper frame by bracing frame.
Further, described power transmission shaft is connected by fork-shaped with described piston pin.
Relative to prior art, present invention have the advantage that
(1) present configuration is reasonable in design, simple in construction, low cost, and reliability is high；
(2) present invention load phase place can ensure with electromotor load phase place keep consistent；
(3) present invention can use authentic component directly to test, and can investigate malformation for swinging pair friction simultaneously
The impact of abrasion；
(4) present invention is it is contemplated that temperature, lubrication and lubricant medium are for the impact of swinging pair fretting wear.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is piston pin swinging pair tribological wear components assay device schematic diagram described in the embodiment of the present invention；
Fig. 2 is piston pin swinging pair tribological wear components assay device internal mechanism schematic diagram described in the embodiment of the present invention；
Fig. 3 is piston pin swinging pair tribological wear components assay device positive view described in the embodiment of the present invention；
Fig. 4 is piston pin swinging pair tribological wear components assay device sectional view described in the embodiment of the present invention；
Description of reference numerals:
1, test table top；2, motor；3, belt；4, flywheel；5, screw；6, top cover；7, cylinder sleeve fixed mount；8, bracing frame；
9, toggle；10, upper frame；11, middle frame；12, underframe；13, set is loaded；14, small end of connecting rod；15, piston；
16, power transmission shaft；17, disc spring；18, cam；19, camshaft；20, bearing；21, piston pin；22, the axis of guide；23, studs；
24, bar is rotated；25, connecting rod；26, swing arm；27, heating rod.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
A kind of piston pin swinging pair tribological wear components assay device, as shown in Figures 1 to 4, including parts mounting platform, adds
Loading system, drive system, heating system and slot-and-crank drive system,
Described parts mounting platform includes that the experiment table top 1, support frame and the cylinder sleeve that are fixedly connected sequentially from top to bottom are solid
Fixed structure, described cylinder sleeve fixed structure inner chamber is used for placing test piston component, and described test piston component includes piston 15, lives
Plug pin 21 and small end of connecting rod 14, described small end of connecting rod 14 is connected by piston pin 21 combination with piston 15.
Described cylinder sleeve fixed structure includes cylindric cylinder sleeve fixed mount 7 and the top cover 6 that on it, bolt 5 is fixed, described cylinder
The bottom of set fixed mount 7 is provided with outer rim boss radially, and described outer rim boss is fixed on support frame top, institute by bolt 5
The side stating cylinder sleeve fixed mount 7 is provided with through hole, for the connection of piston pin 21 with slot-and-crank drive system.
Described support frame includes passing sequentially through the upper frame 10 of the fixing connection of studs 23, middle frame 11 from top to bottom
With underframe 12, described cylinder sleeve fixed mount 7 is connected, between described middle frame 11 and underframe 12 by screw 5 with upper frame 10
The camshaft 19 of loading system is fixed by bearing 20.
Described loading system include camshaft 19 and combination disk spring, the middle part of described camshaft 19 be provided with can realize specific
The cam 18 of the cam profile structure of lift；Described combination disk spring is arranged in support frame, and one end contacts connection with cam 18,
The other end connects small end of connecting rod 14；Described cam 18 is provided with the cam profile structure that can realize specific lift, camshaft 19
One end is connected with drive system, and the other end is connected with slot-and-crank drive system.
Described combination disk spring includes disc spring 17, loads set 13 and the axis of guide 22, and the superposition of three described disc springs 17 is sleeved on to be led
On axle 22；One end of the described axis of guide 22 is provided with disc spring position limiting structure and contacts with cam 18, the other end affixed loading set 13；
Described loading set 13 realizes described disc spring 17 and transmits to described small end of connecting rod 14 load, and the described axis of guide 22 can ensure multiple disc spring
13 axially movable, and realizes being transmitted to described disc spring 17 load by described camshaft 19.
Described slot-and-crank drive system 9 includes rotation bar 24, connecting rod 25 and the swing arm 26 being flexibly connected successively, described
The other end rotating bar 24 is affixed with one end of described camshaft 19, the other end of described swing arm 26 by a power transmission shaft 16 and
Piston pin 21 is affixed, and described power transmission shaft 16 is connected by fork-shaped with described piston pin 21, and described power transmission shaft passes cylinder sleeve fixed mount 7
Side be provided with through hole, described power transmission shaft 16 is vertically arranged with swing arm 26, it is achieved the swing of described piston pin 21.
Described power transmission shaft 16 is supported on the upper surface of upper frame 10 by bracing frame 8.
Described slot-and-crank drive system 9 and described camshaft 19 with the use of meeting phase requirements, described cam 18
Phase place layout meets during described swing arm 26 swing speed maximum corresponding with described cam 18 lift maximum, i.e. ensures described pendulum
During lever 26 speed maximum, described cam 18 loads.
Described drive system includes motor 2, belt 3 and flywheel 4, and described flywheel 4 is passed through described belt 3 by described motor 2
Driving, the center of described flywheel 4 is affixed with described camshaft 19 one end, and described motor is fixed on experiment table top 1, described cam
Axle 19 connects one end of drive system and is provided with the disc structure of radially protruding, and described disc structure is bolted flywheel 4, protects
Hold stablizing of rotary course axis.
Described heating system includes heating rod 27, can be inserted into and realizes test piston component heating in piston pin 21.
Described test piston component can use to splash or drip and spatter lubricating method lubrication.Described cylinder sleeve fixed mount 7 can be according to not
Customize with dimension test piston component, it is achieved the test of sizes test piston component.
Operation principle of the present invention is as follows:
Described motor 2 drives described flywheel 4 to rotate by described belt 3, the center of described flywheel 4, camshaft 19 and turn
The turning end of lever 24 is fixed on same axis, and described flywheel 4, described camshaft 19 realize Tong Bu with rotating bar 24 around coaxial line
Rotate, described cam 18 rotary course transmits load extremely described small end of connecting rod 14 by the described disc spring 17 of extruding, finally realizes
Described piston pin 21 loads.Described rotation bar 24 drives described swing arm 26 to realize described piston pin 21 by described connecting rod 25
Swing.Described heating rod 27 inserts described piston pin 21 and heats, and simulates true thermal environment.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a piston pin swinging pair tribological wear components assay device, it is characterised in that: include parts mounting platform, load system
System, drive system, heating system and slot-and-crank drive system,
Described parts mounting platform includes that affixed support frame and cylinder sleeve fixed structure, described cylinder sleeve fixed structure inner chamber are used for
Placing test piston component, described test piston component includes piston (15), piston pin (21) and small end of connecting rod (14), described company
Bar microcephaly (14) is connected by piston pin (21) combination with piston (15)；
Described loading system is arranged in support frame, including camshaft (19) and combination disk spring, in described camshaft (19)
Portion is provided with the cam (18) of the cam profile structure that can realize specific lift, and described combination disk spring one end contacts with cam (18)
Connecting, the other end connects small end of connecting rod (14)；One end of described camshaft (19) is connected with drive system, and the other end is with crank even
Bar drive system connects；
Described slot-and-crank drive system (9) includes rotation bar (24), connecting rod (25) and the swing arm (26) being flexibly connected successively,
The other end of described rotation bar (24) is affixed with one end of described camshaft (19), and the other end of described swing arm (26) passes through one
Power transmission shaft (16) is affixed with piston pin (21)；
Described heating system can be placed in piston pin (21).
Piston pin swinging pair tribological wear components assay device the most according to claim 1, it is characterised in that: described cylinder sleeve
Fixed structure includes cylinder sleeve fixed mount (7) and top cover fixed thereon (6), the bottom of described cylinder sleeve fixed mount (7) of cylindrical shape
Being provided with outer rim boss radially, described outer rim boss is fixed on support frame top, and the side of described cylinder sleeve fixed mount (7) is provided with
Through hole for piston pin (21) Yu the connection of slot-and-crank drive system.
Piston pin swinging pair tribological wear components assay device the most according to claim 1, it is characterised in that: described support
Framework includes upper frame (10), middle frame (11) and the underframe (12) being fixedly connected sequentially from top to bottom, and described cylinder sleeve is fixed
Frame (7) is affixed with upper frame (10), by the fixing loading system of bearing (20) between described middle frame (11) and underframe (12)
Camshaft (19).
Piston pin swinging pair tribological wear components assay device the most according to claim 1, it is characterised in that: described combination
Disc spring includes disc spring (17), loads set (13) and the axis of guide (22), and the superposition of multiple described disc spring (17) is sleeved on the axis of guide (22)
On；One end of the described axis of guide (22) is provided with disc spring position limiting structure and contacts with cam (18), and the other end is affixed loads set (13),
The described set (13) that loads connects small end of connecting rod (14).
Piston pin swinging pair tribological wear components assay device the most according to claim 1, it is characterised in that: described cam
(18) phase place layout meets during described swing arm (26) swing speed maximum corresponding with described cam (18) lift maximum.
Piston pin swinging pair tribological wear components assay device the most according to claim 1, it is characterised in that: described driving
System includes motor (2), belt (3) and flywheel (4), and described flywheel (4) is driven by described belt (3) by described motor (2),
The center of described flywheel (4) is affixed with described camshaft (19) one end.
Piston pin swinging pair tribological wear components assay device the most according to claim 1, it is characterised in that: described heating
System includes heating rod (27), can be inserted into and realizes test piston component heating in piston pin (21).
Piston pin swinging pair tribological wear components assay device the most according to claim 6, it is characterised in that: described parts
Mounting platform also includes testing table top (1), fixes with experiment table top (1) and be connected bottom support frame, and described motor is arranged on reality
Test on table top (1).
Piston pin swinging pair tribological wear components assay device the most according to claim 1, it is characterised in that: described transmission
Axle (16) is supported on the upper surface of upper frame (10) by bracing frame (8).
Piston pin swinging pair tribological wear components assay device the most according to claim 1, it is characterised in that: described biography
Moving axis (16) is connected by fork-shaped with described piston pin (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502338.6A CN106198286B (en) | 2016-06-29 | 2016-06-29 | A kind of piston pin swinging pair tribological wear components experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502338.6A CN106198286B (en) | 2016-06-29 | 2016-06-29 | A kind of piston pin swinging pair tribological wear components experimental rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106198286A true CN106198286A (en) | 2016-12-07 |
| CN106198286B CN106198286B (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610502338.6A Active CN106198286B (en) | 2016-06-29 | 2016-06-29 | A kind of piston pin swinging pair tribological wear components experimental rig |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243707A (en) * | 2019-04-19 | 2019-09-17 | 武汉理工大学 | Marine diesel engine piston pin fatigue wear experimental rig |
| CN112304580A (en) * | 2020-06-23 | 2021-02-02 | 湘潭大学 | Testing arrangement of cylinder wearing parts friction wear life-span |
| CN112326487A (en) * | 2020-10-29 | 2021-02-05 | 河南科技大学 | Current-carrying friction test device and method for conductive brush wire |
| CN112697625A (en) * | 2020-12-18 | 2021-04-23 | 湖南江滨机器（集团）有限责任公司 | Piston pin hole friction wear test device and method |
| CN113176162A (en) * | 2021-04-15 | 2021-07-27 | 上海交通大学 | Full-floating type piston pin friction test device |
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| CN104568275A (en) * | 2015-01-22 | 2015-04-29 | 大连海事大学 | Test device and method for friction force of cylinder sleeve and piston assembly |
| CN105675423A (en) * | 2016-01-04 | 2016-06-15 | 武汉理工大学 | Engine cylinder sleeve-piston ring friction pair frictional wear testing system |
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| JPH0829313A (en) * | 1994-07-15 | 1996-02-02 | Riken Corp | Frictional wear tester |
| JP2008076132A (en) * | 2006-09-20 | 2008-04-03 | Nippon Piston Ring Co Ltd | Abrasion testing machine for evaluating abrasion of both or either of piston ring or piston ring groove |
| CN101158619A (en) * | 2007-11-13 | 2008-04-09 | 昆明理工大学 | Reciprocating type piston ring-cylinder sleeve friction wear testing machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243707A (en) * | 2019-04-19 | 2019-09-17 | 武汉理工大学 | Marine diesel engine piston pin fatigue wear experimental rig |
| CN112304580A (en) * | 2020-06-23 | 2021-02-02 | 湘潭大学 | Testing arrangement of cylinder wearing parts friction wear life-span |
| CN112326487A (en) * | 2020-10-29 | 2021-02-05 | 河南科技大学 | Current-carrying friction test device and method for conductive brush wire |
| CN112697625A (en) * | 2020-12-18 | 2021-04-23 | 湖南江滨机器（集团）有限责任公司 | Piston pin hole friction wear test device and method |
| CN113176162A (en) * | 2021-04-15 | 2021-07-27 | 上海交通大学 | Full-floating type piston pin friction test device |
| CN113176162B (en) * | 2021-04-15 | 2023-03-10 | 上海交通大学 | Full-floating type piston pin friction test device |
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| Publication number | Publication date |
|---|---|
| CN106198286B (en) | 2018-12-14 |
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