CN110231243A - A kind of stabilization head and its application method of spin friction wear test instrument - Google Patents
A kind of stabilization head and its application method of spin friction wear test instrument Download PDFInfo
- Publication number
- CN110231243A CN110231243A CN201910474735.0A CN201910474735A CN110231243A CN 110231243 A CN110231243 A CN 110231243A CN 201910474735 A CN201910474735 A CN 201910474735A CN 110231243 A CN110231243 A CN 110231243A
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- sensor
- crossbeam
- head
- handpiece body
- friction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
-
- 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
- G01N3/02—Details
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0482—Chucks, fixtures, jaws, holders or anvils comprising sensing 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Abstract
The present invention relates to material surface friction and wear behavior testing equipments, more particularly to the stabilization head and its application method of a kind of spin friction wear test instrument, it is secondary including handpiece body and friction, friction pair is connected in handpiece body, handpiece body lower end is connected with rotary table, secondary friction includes contact head, contact head is connected in handpiece body, handpiece body is stretched out in contact head lower end, detection piece is installed between contact head and rotary table, rationally it is arranged by the position of the friction in head secondary fine structure and sensor, further ensure the real reliability of test data, it is more accurate that friction radius is adjusted by differential head, and it can accurately show the numerical value of friction radius, also it can intuitively observe whether friction radius shifts after the end of the test simultaneously.
Description
Technical field
The present invention relates to material surface friction and wear behavior testing equipments, and in particular to a kind of spin friction wear test instrument
Stabilization head and its application method.
Background technique
Over the past decade, the research of material surface is used widely in national defence, science and technology, industry, agriculture field, especially
Ion coating plating tool, mold, instrument component, in terms of application, have received very big economic benefit and society
Benefit；Therefore, the detection of every mechanical performance of coating is the key that current coating product exploitation, every technology of coating product
Index also becomes the focus that both sides of supply and demand focus first on.
Friction-wear test equipment disclosed in currently available technology has reciprocating and rotary, and rotation type experiment equipment is deposited
In following disadvantage: first is that friction auxiliary structure is unreasonable, test data is seriously affected, second is that cannot be quasi- when adjusting spin friction radius
Really measure and show the numerical value of friction radius, caused by error influence the comparison of test data.
Summary of the invention
To overcome above-mentioned problems of the prior art, the object of the present invention is to provide a kind of spin friction wear tests
The stabilization head and its application method of instrument keep friction auxiliary structure design more reasonable, while accurately can measure and show
The numerical value of friction radius, solves problems of the prior art.
The technical scheme adopted by the invention is that: a kind of stabilization head of spin friction wear test instrument, including head
Body and friction are secondary, and friction pair is connected in handpiece body, and handpiece body lower end is connected with rotary table, and secondary friction includes contact head,
Contact head is connected in handpiece body, and handpiece body is stretched out in contact head lower end, and detection piece is installed between contact head and rotary table.
Friction pair described further further includes crossbeam and shaft, is equipped with cavity in handpiece body, crossbeam is horizontally installed on cavity
Interior, shaft is horizontally disposed, and shaft axis direction is vertical with crossbeam cloth set direction, and shaft is arranged in crossbeam right part, crossbeam and head
Body is rotatablely connected by shaft, and contact head is connected on crossbeam.
There are two shaft described further is set, shaft is symmetrically connected to crossbeam both sides.
Friction pair described further further includes sliding block, overarm brace and vertical shaft, and cavity lower end is equipped with sliding slot, and sliding slot setting exists
Handpiece body right part, sliding block are arranged in sliding slot, and vertical shaft is connected to upper end of slide block, and square hole is offered on overarm brace, and square hole is horizontal
Setting, square hole run through overarm brace, and crossbeam passes through square hole, crossbeam and overarm brace and is rotatablely connected by shaft, open up on crossbeam
There is strip-shaped hole, overarm brace is connected on vertical shaft by bearing, and vertical shaft runs through overarm brace and strip-shaped hole.
Friction pair described further further includes differential head, and differential head is fixed on handpiece body right end, and differential head is horizontally disposed, micro-
Run through handpiece body separately, the rotating scale portion of differential head is arranged outside handpiece body, and the detector of differential head is bonded with sliding block.
Friction pair described further further includes sensor link block and sensor, and sensor setting is in below the crossbeam, sensing
Device is horizontally disposed, and in shaft left end, sensor link block connects sensor and crossbeam, the connection of sensor link block for sensor setting
In sensor left end, sensor right end is connected in handpiece body.
Friction pair described further further includes sensor link block, sensor and sensor stand, and sensor is arranged in cross
Below beam, sensor levels setting, in shaft left end, sensor link block connects sensor and crossbeam, sensing for sensor setting
Device link block is connected to sensor left end, and sensor right end is connected on sensor stand, sensor stand connect sensor and
Sliding block.
Friction pair described further further includes screw rod and clump weight, and crossbeam right end stretches out handpiece body, and crossbeam right end is connected with
Screw rod, screw rod is horizontally disposed, and clump weight is threaded on screw rod.
Friction pair described further further includes compression bar and scale pan, and crossbeam left end is connected with compression bar, and compression bar is vertically arranged, pressure
Handpiece body is stretched out in bar lower end, and compression bar lower end connects contact head, and compression bar upper end connects scale pan, and scale pan is arranged outside handpiece body,
Contact head, compression bar and scale pan setting are on the same axis.
Sensor described further is friction force sensor, sensor model number are as follows: 108AA-1KG of an established trade mark forever.
A kind of further application method of the stabilization head of spin friction wear test instrument, method and step are as follows:
A. detection piece clamping
It will test part to install to rotary table upper surface, leveled crossbeam by clump weight, then by handpiece body entire lowering,
It drops to contact head to contact with detection piece, then fixes handpiece body；
B. the secondary adjustment of friction
First by rotation differential head, confirmation rubs the position of secondary horizontal direction, can be from micro- by the variation of the secondary position that rubs
Then the numerical value that friction radius is accurately obtained on parted hair increases counterweight, the inspection of the weight and requirement of experiment of counterweight again on scale pan
It is equal to survey part surface pressure value；
C. it tests
All after adjustment, starts experiment instrument, obtain experimental curve diagram.
The beneficial effects of the present invention are: rationally being set by the position of the friction in head secondary fine structure and sensor
It sets, further ensures the real reliability of test data, it is more accurate by differential head adjusting friction radius, and can be accurate
It shows the numerical value of friction radius, while also can intuitively observe whether friction radius shifts after the end of the test.
Detailed description of the invention
Fig. 1 is outline structural diagram of the present invention；
Fig. 2 is half section structure diagram of the present invention；
Fig. 3 is overhead, partial cut-away view of the present invention；
Fig. 4 is experimental data curve figure of the present invention.
In figure: 1. handpiece bodies, 101. cavitys, 102. sliding slots, 2. frictions are secondary, 201. contact heads, 202. crossbeams, and 203. turns
Axis, 204. sliding blocks, 205. overarm braces, 206. vertical shafts, 207. square holes, 208. strip-shaped holes, 209. differential heads, 210. rotating scales
Portion, 211. detectors, 212. screw rods, 213. clump weights, 214. compression bars, 215. scale pans, 216. sensor link blocks, 217. pass
Sensor, 218. sensor stands, 3. rotary tables, 4. detection pieces.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments:
A kind of stabilization head of spin friction wear test instrument, including handpiece body 1 and friction pair 2, friction pair 2 are connected to head
In body 1,1 lower end of handpiece body is connected with rotary table 3, and friction pair 2 includes contact head 201, and contact head 201 is connected to handpiece body
In 1, handpiece body 1 is stretched out in 201 lower end of contact head, and detection piece 4 is installed between contact head 201 and rotary table 3, passes through rotation
Workbench 3 drives detection piece 4 to rotate, and forms one using contact point as track between contact head 201 and detection piece 4 at this time
Rub circumference, and the radius of friction circumference at this time is friction radius, and power suffered by the tangential direction for the circumference that rubs is to rub
Power had both formd the basic demand of spin friction wear test between detection piece 4 and contact head 201.
Friction pair 2 described further further includes crossbeam 202 and shaft 203, is equipped with cavity 101, crossbeam 202 in handpiece body 1
It is horizontally installed in cavity 101, shaft 203 is horizontally disposed, and 203 axis direction of shaft is vertical with 202 cloth set direction of crossbeam, shaft
203 settings are rotatablely connected in 202 right part of crossbeam, crossbeam 202 and handpiece body 1 by shaft 203, and contact head 201 is connected to crossbeam
On 202, friction pair 2 is advanced optimized and increases crossbeam 202 and shaft 203, and shaft 203 is arranged in the right part of crossbeam 202,
According to lever principle, both 201 position gravity of contact head is larger for 202 left end of crossbeam, and contact head 201 can work as contact to sinking
After first 201 contact with detection piece 4, by the whole adjustment downwards of head, then contact head 201 can generate a pressure to detection piece 4, make
The pair 2 that must rub naturally forms a pressure.
There are two shaft 203 described further is set, shaft 203 is symmetrically connected to 202 both sides of crossbeam, and the friction pair 2 is also
Including sliding block 204, overarm brace 205 and vertical shaft 206,101 lower end of cavity is equipped with sliding slot 102, and sliding slot 102 is arranged in handpiece body 1
Right part, sliding block 204 are arranged in sliding slot 102, and vertical shaft 206 is connected to 204 upper end of sliding block, offers square hole on overarm brace 205
207, square hole 207 is horizontally disposed, and square hole 207 runs through overarm brace 205, and crossbeam 202 passes through square hole 205, crossbeam 202 and crossbeam branch
Frame 205 is rotatablely connected by shaft 203, strip-shaped hole 208 is offered on crossbeam 202, overarm brace 205 is connected to vertical by bearing
On axis 206, vertical shaft 206 runs through overarm brace 205 and strip-shaped hole 208, and two shafts 203 are arranged and on the one hand increase crossbeam 202
Rotational stability, on the other hand cooperates above-mentioned special construction to design, that is, may make friction pair 2 that can carry out a left side in handpiece body 1
It moves right, the purpose moved left and right is the relative position in order to change contact head 201 and detection piece 4, as changes friction
Radius tests the detection piece under differentiated friction radius under identical technical conditions, can form effective experiment number
According to comparison, while remaining lever construction above-mentioned.
Friction pair 2 described further further includes differential head 209, and differential head 209 is fixed on 1 right end of handpiece body, differential head 209
Horizontally disposed, differential head 209 runs through handpiece body 1, and the rotating scale portion 210 of differential head 209 is arranged outside handpiece body 1, differential
First 209 detector 211 is bonded with sliding block 204, increases differential head 209, can accurately be reflected by adjusting differential head 209
The numerical value that friction radius changes, while can also be used for whether observation friction radius shifts after the test, it is easy to use, simple
It is single effective.
Friction pair 2 described further further includes sensor link block 216 and sensor 217, and sensor 217 is arranged in crossbeam
202 lower sections, sensor 217 is horizontally disposed, and the setting of sensor 217 is in 203 left end of shaft, the connection sensing of sensor link block 216
Device 217 and crossbeam 202, sensor link block 216 are connected to 217 left end of sensor, and 217 right end of sensor is connected to handpiece body 1
It is interior, make that crossbeam 202 is equal in magnitude by one, reversed opposite reaction force under the action of frictional force, at this time in crossbeam
Sensor 217 is connected between 202 and handpiece body 1, sensor 217 can measure the signal of a frictional force, and sensor 217 is being pacified
After installing, according to the distance between sensor 217 and 202 junction of crossbeam and contact head 201 relationship, to the ginseng of sensor 217
Number is adjusted, that is, can guarantee that power detected by sensor 217 is the frictional force between contact head 201 and detection piece 4.
Friction pair 2 described further further includes sensor link block 216, sensor 217 and sensor stand 218, sensing
Device 217 is arranged below crossbeam 202, and sensor 217 is horizontally disposed, and the setting of sensor 217 connects in 203 left end of shaft, sensor
It connects block 216 and connects sensor 217 and crossbeam 202, sensor link block 216 is connected to 217 left end of sensor, and sensor 217 is right
End is connected on sensor stand 218, and sensor stand 218 connects sensor 217 and sliding block 204, the dynamometry side of sensor 217
Method is consistent with the above method, under the premise of friction pair 2 is moveable, adds sensor stand 218, passes through sensor stand 218
Sensor 217 is connected between crossbeam 202 and sliding block 204, neither influences the measurement of sensor 217, while by sensor 217
It is connected as same entirety with friction pair, can guarantee that sensor 217 moves together when adjusting friction radius, sensor
The relative positional relationship of 217 opposing contacts 201 does not change, and does not need that the parameter of sensor 217 is adjusted, into one
Step ensure that the reliability of experimental data, and the comparison for allowing to carry out experimental data is more authentic and valid, sensor 217 described above
For friction force sensor, sensor model number are as follows: 108AA-1KG of an established trade mark forever.
Friction pair 2 described further further includes screw rod 212 and clump weight 213, and 202 right end of crossbeam stretches out handpiece body 1, crossbeam
202 right ends are connected with screw rod 212, and screw rod 212 is horizontally disposed, and clump weight 213 is threaded on screw rod 212, increases above-mentioned knot
Structure had both made crossbeam 202 form the similar structure with balance, by adjusting clump weight 213, can adjust the sinking of contact head 201
Position, while can simply change the downward pressure in 202 left end of crossbeam, the leveling to crossbeam 202 can also be realized, so that contact head
201 downward pressure are 0.
Friction pair 2 described further further includes compression bar 214 and scale pan 215, and 202 left end of crossbeam is connected with compression bar 214, pressure
Bar 214 is vertically arranged, and handpiece body 1 is stretched out in 214 lower end of compression bar, and 214 lower end of compression bar connects contact head 201, the connection of 214 upper end of compression bar
Scale pan 215, scale pan 215 are arranged outside handpiece body 1, and contact head 201, compression bar 214 and scale pan 215 are arranged in same axis
On, the purpose of increase compression bar 214 is the volume in order to reduce contact head 201, because being tested for a long time, the mill of contact head 201
Damage is certainly more serious, in order to ensure the accuracy of test data needs to regularly replace contact head 201 certainly, adopts this method
Scale pan 215 is added in more economical rationality, and contact head 201, compression bar 214 and the setting of scale pan 215 are on the same axis,
The pressure being subject on detection piece 4 can be increased, increased pressure is the weight of counterweight by placing counterweight in scale pan 215
Power.
A kind of further application method of the stabilization head of spin friction wear test instrument, method and step are as follows:
A. detection piece clamping
The installation of part 4 be will test to 3 upper surface of rotary table, leveled crossbeam 202 by clump weight 213, then by handpiece body 1
Entire lowering drops to contact head 201 and contacts with detection piece, then fixes handpiece body；
B. the secondary adjustment of friction
First by rotation differential head 209, the position of secondary 2 horizontal directions of confirmation friction passes through the variation for secondary 2 positions that rub
The numerical value of friction radius is accurately obtained from differential head 209, then increases counterweight, the weight and reality of counterweight on scale pan 215 again
The 4 surface pressure value of detection piece for testing requirement is equal；
C. it tests
All after adjustment, starts experiment instrument, obtain experimental curve diagram.
As shown in figure 4, when load (i.e. the pressure of counterweight) is 200g, experimental period 60min, when friction radius is 3mm,
The frictional force detected is about 0.5731N, maximum friction coefficient 0.5433, average friction coefficient 0.5023.
Claims (10)
1. a kind of stabilization head of spin friction wear test instrument, it is characterised in that: including handpiece body (1) and secondary (2) are rubbed,
The pair (2) that rubs is connected in handpiece body (1), and handpiece body (1) lower end is connected with rotary table (3), and the pair (2) that rubs includes contacting
Head (201), contact head (201) are connected in handpiece body (1), and handpiece body (1) is stretched out in contact head (201) lower end, detection piece (4) folder
Between contact head (201) and rotary table (3).
2. a kind of stabilization head of spin friction wear test instrument according to claim 1, it is characterised in that: described to rub
Wiping secondary (2) further includes crossbeam (202) and shaft (203), is equipped with cavity (101) in handpiece body (1), crossbeam (202) is laterally arranged
In cavity (101), shaft (203) is horizontally disposed, and shaft (203) axis direction is vertical with crossbeam (202) cloth set direction, shaft
(203) setting is rotatablely connected in crossbeam (202) right part, crossbeam (202) and handpiece body (1) by shaft (203), contact head
(201) it is connected on crossbeam (202).
3. a kind of stabilization head of spin friction wear test instrument according to claim 2, it is characterised in that: described turn
There are two axis (203) is set, shaft (203) is symmetrically connected to crossbeam (202) both sides.
4. a kind of stabilization head of spin friction wear test instrument according to claim 3, it is characterised in that: described to rub
Wiping secondary (2) further includes sliding block (204), overarm brace (205) and vertical shaft (206), and cavity (101) lower end is equipped with sliding slot (102), sliding
Slot (102) setting is in handpiece body (1) right part, and in sliding slot (102), vertical shaft (206) is connected to sliding block for sliding block (204) setting
(204) upper end offers square hole (207) on overarm brace (205), and square hole (207) is horizontally disposed, and square hole (207) runs through crossbeam
Bracket (205), crossbeam (202) pass through square hole (205), and crossbeam (202) and overarm brace (205) are connected by shaft (203) rotation
It connects, is offered on crossbeam (202) strip-shaped hole (208), overarm brace (205) is connected on vertical shaft (206) by bearing, vertical shaft
(206) run through overarm brace (205) and strip-shaped hole (208).
5. a kind of stabilization head of spin friction wear test instrument according to claim 4, it is characterised in that: described to rub
Wiping secondary (2) further includes differential head (209), and differential head (209) is fixed on handpiece body (1) right end, and differential head (209) is horizontally disposed,
Differential head (209) runs through handpiece body (1), and rotating scale portion (210) setting of differential head (209) is external in handpiece body (1), differential
The detector (211) of head (209) is bonded with sliding block (204).
6. a kind of stabilization head of spin friction wear test instrument according to claim 2, it is characterised in that: described to rub
Wiping secondary (2) further includes sensor link block (216) and sensor (217), and sensor (217) setting passes below crossbeam (202)
Sensor (217) is horizontally disposed, and sensor (217) setting connects sensor in shaft (203) left end, sensor link block (216)
(217) and crossbeam (202), sensor link block (216) are connected to sensor (217) left end, and sensor (217) right end is connected to
In handpiece body (1).
7. a kind of stabilization head of spin friction wear test instrument according to claim 4, it is characterised in that: described to rub
Wiping secondary (2) further includes sensor link block (216), sensor (217) and sensor stand (218), and sensor (217) setting exists
Below crossbeam (202), sensor (217) is horizontally disposed, and sensor (217) is arranged in shaft (203) left end, sensor link block
(216) sensor (217) are connected and crossbeam (202), sensor link block (216) is connected to sensor (217) left end, sensor
(217) right end is connected on sensor stand (218), and sensor stand (218) connects sensor (217) and sliding block (204).
8. according to a kind of described in any item stabilization heads of spin friction wear test instrument of claim 2 to 7, feature exists
In: the friction secondary (2) further includes screw rod (212), clump weight (213), compression bar (214) and scale pan (215), crossbeam (202)
Right end stretches out handpiece body (1), and crossbeam (202) right end is connected with screw rod (212), and screw rod (212) is horizontally disposed, on screw rod (212)
It is threaded with clump weight (213), crossbeam (202) left end is connected with compression bar (214), and compression bar (214) is vertically arranged, compression bar
(214) handpiece body (1) is stretched out in lower end, and compression bar (214) lower end connects contact head (201), and compression bar (214) upper end connects scale pan
(215), scale pan (215) setting handpiece body (1) outside, contact head (201), compression bar (214) and scale pan (215) setting same
On one axis.
9. according to a kind of described in any item stabilization heads of spin friction wear test instrument of claim 6 and 7, feature exists
In: the sensor (217) is friction force sensor, sensor model number are as follows: 108AA-1KG of an established trade mark forever.
10. a kind of application method of the stabilization head of spin friction wear test instrument according to claim 3, feature
It is that method and step is as follows:
A. detection piece clamping
Part (4) installation be will test to rotary table (3) upper surface, leveled crossbeam (202) by clump weight (213), then
By handpiece body (1) entire lowering, drops to contact head (201) and contacted with detection piece, then fix handpiece body；
B. the secondary adjustment of friction
First by rotation differential head (209), the position of secondary (2) horizontal direction of confirmation friction passes through the change of secondary (2) position that rubs
Change the numerical value that can accurately obtain friction radius from differential head (209), then increases counterweight, counterweight on scale pan (215) again
Weight it is equal with detection piece (4) the surface pressure value of requirement of experiment；
C. it tests
All after adjustment, starts experiment instrument, obtain experimental curve diagram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474735.0A CN110231243A (en) | 2019-06-03 | 2019-06-03 | A kind of stabilization head and its application method of spin friction wear test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474735.0A CN110231243A (en) | 2019-06-03 | 2019-06-03 | A kind of stabilization head and its application method of spin friction wear test instrument |
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| CN110231243A true CN110231243A (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910474735.0A Pending CN110231243A (en) | 2019-06-03 | 2019-06-03 | A kind of stabilization head and its application method of spin friction wear test instrument |
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Cited By (3)
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| CN111380767A (en) * | 2020-04-10 | 2020-07-07 | 兰州华汇仪器科技有限公司 | High-temperature friction and wear experimental instrument with two-degree-of-freedom adjustment and using method thereof |
| CN111380766A (en) * | 2020-04-10 | 2020-07-07 | 兰州华汇仪器科技有限公司 | Vacuum high-temperature friction and wear tester |
| CN111380764A (en) * | 2020-04-10 | 2020-07-07 | 兰州华汇仪器科技有限公司 | High-temperature friction and wear tester |
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Application publication date: 20190913 |