CN205620256U - Experimental frock clamp of friction and wear - Google Patents
Experimental frock clamp of friction and wear Download PDFInfo
- Publication number
- CN205620256U CN205620256U CN201620334846.3U CN201620334846U CN205620256U CN 205620256 U CN205620256 U CN 205620256U CN 201620334846 U CN201620334846 U CN 201620334846U CN 205620256 U CN205620256 U CN 205620256U
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- Prior art keywords
- ball
- cavity
- test
- friction
- frock clamp
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Abstract
The utility model relates to an experimental frock clamp of friction and wear, including base, positioning disk, experimental ball, clamping ring, gland nut and pressure head, the last mesa of base is opened there is the cavity, the positioning disk is connected on the bottom surface of cavity, and the edge of positioning disk is equipped with at least three breach, the breach is put into to experimental ball, and the clamping ring is located experimental ball top, gland nut and cavity threaded connection, gland nut's lower extreme is located the clamping ring top, the clamping ring top is located to the pressure head. The utility model discloses an experimental frock clamp of friction and wear, the vice material scuffing resistance that can rub is experimental. Through with positioning disk location test ball, can change the round diameter that experimental ball summit forms through the not unidimensional positioning disk of processing, not unidimensional being tested by test appearance facilitates the use. Experimental ball adopts spheroid or cylinder spheroid, has increased the reliability of test result. The base is equipped with the oil outlet, through circulating lubrication oil -out speed, and the temperature of control lubricating oil.
Description
Technical field
This utility model relates to test tool field, is specifically related to a kind of friction-wear test frock clamp.
Background technology
According to GB/T12583-1998 lubricant extreme pressure property algoscopy (four ball), use four-ball tester oil box
Device designs, and measures the extreme pressure property of lubricant.This device passes through main by the way of contact of upper and lower ball para-position
Axle drives upper ball to rotate, after judged the extreme pressure property of lubricant by the surface polishing scratch of test ball thus comment
Valency, this clamp fixture can only be used for evaluating the performance of lubricant.According to the result of available data retrieval, do not have
It is found to carry out the test tool of friction pair material antifraying property evaluation；If using four ball devices to rub
Wipe auxiliary material antifraying property to evaluate, i.e. keep lubricating oil constant, the material of change trial ball, evaluate
The antifraying property of friction pair material, will be processed into spherical shape by sample, and ball sample is difficult to processing, and this is just
Give and cause the biggest difficulty in processing；If employing disc shaped test piece, fixture continues to use four-ball tester oil box
Device designs, and owing in oil box, three balls are mutually to be close to clamping, three top dome the formed diameter of a circles of point are less,
About 11.7mm, will reach bigger linear velocity, needs the highest rotating speed, such as, during linear velocity 1m/s, turn
Speed is 22r/s；Higher rotating speed is the highest to the requirement of testing machine, and testing machine operates under the highest rotating speed,
The danger run can increase, and this can bring the biggest danger to test to a certain extent.
It addition, four-ball tester oil box device, lubricating oil can not be cycling in and out oil in process of the test, by
In the impact of frictional heat, during test, lubricating oil temperature can raise, and therefore the temperature of lubricating oil is not
Controlled.
Utility model content
This utility model purpose is for avoiding the weak point existing for above-mentioned prior art, it is provided that one can
Carry out the frock of friction pair material antifraying property test.
For achieving the above object, this utility model have employed techniques below scheme:
A kind of friction-wear test frock clamp, including base, also include location dish, test ball, pressure ring,
Clamp nut and pressure head；The upper table surface of described base has cavity；Described location dish is connected to the bottom surface of cavity
On, the edge of location dish is provided with at least three breach and each breach one test ball of placement；Described pressure
Ring is to have the round table-like or cylinder of billiard table shape cavity, and pressure ring is positioned at the top of test ball and medial wall and examination
Test ball contact；Described clamp nut is threadeded with cavity, and the lower end of clamp nut is positioned at above pressure ring；Institute
Stating pressure head and be located at above pressure ring, the bottom surface of pressure head is provided with fixed block.
The height of the described location dish diameter less than test ball and the radius more than test ball；Described pressure ring is
Little internal diameter is less than the diameter of the minimum circumscribed circle of test ball.
Described test ball is spheroid or top is divided into hemisphere, bottom to be divided into cylindrical cylinder spheroid；Cylinder
The hemispheroidal diameter of spheroid and cylindrical equal diameters.
Described breach be shaped as arc-shaped and its radius radius more than or equal to test ball.
Described fixed block is the projection of strip, or is that two of formed symmetrical of the bottom surface along pressure head are square
Projection or two circular protrusions.
The side of described base is provided with fixing hole, is provided with screw in fixing hole, screw is also associated with moment and passes
Sensor.
The bottom of described base side is provided with the slot leading to cavity bottom from chassis outer side face, is provided with in slot
Sealing ring and bolt, bolt presses is on sealing ring；Bolt has the through hole leading to screw rod from bolt head；Spiral shell
Also extend through in the through hole of bolt and temperature sensor is installed.
Also include flowline；The lower sidewall of described cavity has the oil outlet threadeded with flowline.
Described base following table is provided with mounting groove, described mounting groove be from top to bottom divided into first step, second
Rank and the 3rd step；First step and second step have columned cavity, and the 3rd step has round platform
The cavity of shape；First step diameter is less than second step diameter, and second step diameter is less than under the 3rd step
Basal diameter.
From above technical scheme, the utility model discloses one and can carry out friction pair material anti scuffing
The frock of performance test, with location dish location test ball, can control by processing various sizes of location dish
Three formed diameter of a circles in test ball summit；The various sizes of tested sample of convenient use is tested.The end
Seat is provided with oil outlet, by the outflow speed of circulating lubricating oil, controls the temperature of lubricating oil.This utility model
Test tool use tested sample can be processed into lamellar, reduce the processing of tested sample simultaneously
Difficulty.Test ball cylindrical ball replaces, and is easily worked, it is not necessary to special equipment, and more conversion materials is easy；With
Time, the bed knife during easily fixing and Control experiment, not only increase the reliability of result of the test, also
Add the success rate of test；Additionally, without using torque spanner, decrease test procedure and test articles for use,
Make test operation simpler.
Accompanying drawing explanation
Fig. 1 is the sectional arrangement drawing of this utility model friction-wear test frock clamp；
Fig. 2 is the sectional view of this utility model Fig. 1 vertical direction；
Fig. 3 is the sectional view of this utility model base；
Fig. 4 is the front view of this utility model pressure head；
Fig. 5 is the top view of this utility model location dish；
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further:
As Figure 1-Figure 5, a kind of friction-wear test frock clamp, its version is: base 10,
Location dish 20, test ball 30, pressure ring 40, clamp nut 50, pressure head 60；Base 10 upper table surface center
Position has cavity 11, and cavity 11 can arrange upper and lower two steps, and getting out of a predicament or an embarrassing situation is cylindrical hole, top bar into
Screwed hole, and the diameter got out of a predicament or an embarrassing situation is less than the diameter topped bar；Location dish 20 is fixed in the bottom surface of cavity 11
Center, location dish 20 height is less than test ball 30 diameter and more than test ball 30 radius, location dish
20 marginal positions are evenly arranged with at least three breach, and test ball 30 is respectively put in breach, the half of breach
Footpath is not less than the radius of test ball 30；Pressure ring 40 is to have the round table-like or cylinder of billiard table shape cavity, its
Minimum internal diameter, less than the diameter of the minimum circumscribed circle of test ball, is placed in cavity 11, pressure ring 40 medial wall
Contact with test ball 30；Not bottom surface with cavity 11, pressure ring 40 lower surface contacts, and upper surface is higher than cavity
11 height got out of a predicament or an embarrassing situation；Clamp nut 50 is threadeded with cavity 11, and lower surface compresses pressure ring 40；Pressure
60 bottom surfaces are provided with fixed block 61, sample 70 between pressure head 60 and test ball 30, fixed block
61 match with the hole of sample 70, when pressure head 60 rotates, drive fixed block 61 to rotate, fixed block 61
Driving sample 70 to rotate, fixed block 61 is the projection being positioned at pressure head 60 lower central strip, or
Two square projections or circular protrusions along pressure head 60 bottom surface formed symmetrical；There is fixing hole base 10 both sides
12 and slot 13, fixing hole 12 is blind hole, and torque sensor is connected on fixing hole 12, and slot 13 is
Lead to the through hole of cavity bottom from chassis outer side wall, temperature sensor is inserted in slot 13；Cavity 11 lower end
Sidewall has oil outlet 14, and oil outlet 14 is threadeded with flowline 15.
With location dish 20 location test ball 30, three can be changed by processing various sizes of location dish 20
The formed diameter of a circle in test ball summit, pressure ring 40 is to have round table-like cavity or the cylinder of billiard table shape cavity,
The medial wall of pressure ring 40 contacts with test ball 30, and the range of test tool is bigger, is available for different examinations
Demand of testing uses.Test ball of the present utility model can use cylindrical ball, cylindrical ball by upper part hemisphere and
Lower part cylinder forms, and the diameter of cylinder is equal to the diameter of hemisphere.Use the useful effect that cylindrical ball can reach
Fruit is: 1) cylindrical ball handling ease, it is not necessary to special equipment, more conversion materials are easy；2) existing steel ball exists
In test, it is not easy to fixing, if bed knife is relatively big, steel ball can deform, and affects result of the test；If
Bed knife is less, and steel ball can roll in test, test failure；When cylindrical ball uses, lower part is circle
Cylinder, easily fixes, and adds the reliability of result of the test and the success rate of test.GB/T12583-1998
In oil box device, its test steel ball there is also fixing problem, the most just define applying
The moment of torsion of power is 68 ± 7N m.This utility model uses cylindrical ball to replace steel ball, can solve this problem,
Need not during clamping use torque spanner, not only installation test frock is quick and convenient, and saves the time,
Improve test efficiency.This utility model clamp nut 50 is threadeded with cavity 11, uses clamp nut
50 compress pressure ring 40, and the pressure of generation is more stable, and are compressed by test ball 30 further by pressure ring 40,
Add the reliability of the test data of test tool.Fixed block 61 is the protruding hole with sample 70 of rectangle
Match, make pressure head 60 drive sample 70 more firm when rotating, and fixed block 61 can arrange two,
Sample 70 is driven to further increase stability when rotating.
Described fixing hole 12 is connected with torque sensor, particularly as follows: fixing hole 12 is with screw 121 screw thread even
Connecing, torque sensor is fixed on screw 121, and screw 121 is soket head cap screw；Temperature sensor is with slotting
The connected mode of groove 13 is: sealing ring 131 is placed in slot 13, is close at the bottom of hole, is provided with the spiral shell of through hole
Bolt 132 is threadeded with slot 13, compresses sealing ring 131, and bolt is passed through in the temperature sensor on testing machine
Through hole and the sealing ring 131 of 132 insert in cavity 11；The bolt being provided with through hole can be perforate turret head spiral shell
Bolt.Torque sensor and temperature sensor can be connected to test work by fixing hole 12 and slot 13 easily
Load onto, power during monitoring test real-time by sensor and temperature.
Described location dish 20 is fixed in the bottom center position of cavity 11, particularly as follows: the bottom surface of cavity 11
Center is provided with screwed hole 17, and location dish 20 keeps flat into cavity 11, and location dish 20 is disc,
And height is higher than test ball 30 radius less than the diameter of test ball 30, location dish 20 center has counter sink
21, location screw 18 is threadeded with screwed hole 17 by counter sink 20 location dish 20 is fixed in cavity
The bottom center position of 11.Location screw 18 stationary positioned dish 20 can facilitate installing/dismounting various sizes of fixed
Position dish 20, meets different test demands.
Base is provided with oil outlet 14, by the outflow speed of circulating lubricating oil, controls the temperature of lubricating oil.Follow
Ring oil flows into the space in the middle of pressure head 60 and clamp nut 50, flows out from flowline 15.
Described base 10 lower central position has mounting groove 16, and mounting groove 16 is from top to bottom divided into First
Rank, second step and the 3rd step, first step and second step are cylindric, and the 3rd step is round table-like,
First step diameter is less than second step diameter, and second step diameter is less than the bottom surface diameter of the 3rd step,
Second step plays the role of positioning, and the purpose of first step is in order to when second step positions, its upper surface can and rub
Wiping axle contact under abrasion tester good, the 3rd step is put into the most for convenience and is arranged.
Friction-wear test frock clamp described in the present embodiment, comprises the following steps during use:
1) location dish 20 is fixed in base cavity pocket 11 and gets out of a predicament or an embarrassing situation on bottom surface, be then placed in test ball 30,
Pressure ring 40 is placed on test ball 30, then screws in clamp nut 50, test ball 30 is compressed；
2) positioned by mounting groove below base 16, be loaded into test ball 30, pressure ring 40 and clamp nut 50
Base 10 be placed under testing machine on axle, with socket head screw 121 and fixing hole 12 coordinate by moment pass
Sensor is connected on base 10, screws in slot 13 with perforate hexagon-headed bolt 132 fitted seal circle 131,
Temperature sensor penetrates in perforate hexagon socket head cap screw 132；
3) sample 70 is placed on test ball 30, and pressure head 60 is placed on sample 70, and sample 70 is offered with solid
Determine the block 61 corresponding through hole of shape, carry out coordinating location, the then upper shaft of nigration machine with fixed block 61
Or lower axle, makes test ball 30 and pressure head 60 be compressed by sample 70；
4) connecting flowline 15 at oil outlet 14 and realize the fuel-displaced of lubricating oil, recycle oil is from pressure head 60
Flow into in the space in the middle of clamp nut 50, flow out from flowline 15.
Embodiment described above is only to be described preferred implementation of the present utility model, the most right
Scope of the present utility model is defined, on the premise of without departing from this utility model design spirit, and this area
Various deformation that the technical solution of the utility model is made by those of ordinary skill and improvement, all should fall into this reality
In the protection domain determined with novel claims.
Claims (9)
1. a friction-wear test frock clamp, it is characterised in that: include base, location dish, test
Ball, pressure ring, clamp nut and pressure head；The upper table surface of described base has cavity；Described location dish is connected to
On the bottom surface of cavity, the edge of location dish is provided with at least three breach and each breach one test of placement
Ball；Described pressure ring is to have the round table-like or cylinder of billiard table shape cavity, pressure ring be positioned at test ball top and
Pressure ring medial wall contacts with test ball；Described clamp nut is threadeded with cavity, the position, lower end of clamp nut
Above pressure ring；Described pressure head is located at above pressure ring, and the bottom surface of pressure head is provided with fixed block.
2. a kind of friction-wear test frock clamp as claimed in claim 1, it is characterised in that: described
The height of the location dish diameter less than test ball and the radius more than test ball；The minimum diameter of described pressure ring is little
Diameter in the minimum circumscribed circle of test ball.
3. a kind of friction-wear test frock clamp as claimed in claim 1, it is characterised in that: described
Test ball is spheroid or top is divided into hemisphere, bottom to be divided into cylindrical cylinder spheroid；The half of cylinder spheroid
The diameter of spheroid and cylindrical equal diameters.
4. a kind of friction-wear test frock clamp as claimed in claim 1, it is characterised in that: described
Breach be shaped as arc-shaped and its radius radius more than or equal to test ball.
5. a kind of friction-wear test frock clamp as claimed in claim 1, it is characterised in that: described
Fixed block is the projection of strip, or is two square projections or two of the formed symmetrical of the bottom surface along pressure head
Individual circular protrusions.
6. a kind of friction-wear test frock clamp as claimed in claim 1, it is characterised in that: described
The side of base is provided with fixing hole, is provided with screw in fixing hole, and screw is also associated with torque sensor.
7. a kind of friction-wear test frock clamp as claimed in claim 1, it is characterised in that: described
The bottom of base side is provided with the slot leading to cavity bottom from chassis outer side face, be provided with in slot sealing ring and
Bolt, bolt presses is on sealing ring；Bolt has the through hole leading to screw rod from bolt head；The through hole of bolt
Inside also extend through and temperature sensor is installed.
8. a kind of friction-wear test frock clamp as claimed in claim 1, it is characterised in that: also wrap
Include oil pipe；The lower sidewall of described cavity has the oil outlet threadeded with flowline.
Friction-wear test frock clamp the most according to claim 1, it is characterised in that: the described end
Seat following table is provided with mounting groove, and described mounting groove is from top to bottom divided into first step, second step and the 3rd
Step；First step and second step have columned cavity, and the 3rd step has round table-like cavity；
First step diameter is less than second step diameter, and second step diameter is less than the bottom surface diameter of the 3rd step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620334846.3U CN205620256U (en) | 2016-04-18 | 2016-04-18 | Experimental frock clamp of friction and wear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620334846.3U CN205620256U (en) | 2016-04-18 | 2016-04-18 | Experimental frock clamp of friction and wear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205620256U true CN205620256U (en) | 2016-10-05 |
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ID=57027035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620334846.3U Expired - Fee Related CN205620256U (en) | 2016-04-18 | 2016-04-18 | Experimental frock clamp of friction and wear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205620256U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842098A (en) * | 2016-04-18 | 2016-08-10 | 合肥工业大学 | Friction-wear test work fixture |
| CN106290039A (en) * | 2016-10-26 | 2017-01-04 | 常熟非凡新材股份有限公司 | steel ball abrasion test machine |
| CN108896257A (en) * | 2018-08-09 | 2018-11-27 | 华南理工大学 | It is a kind of multi-functional without interconnecting piece flexural pivot test tool |
-
2016
- 2016-04-18 CN CN201620334846.3U patent/CN205620256U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842098A (en) * | 2016-04-18 | 2016-08-10 | 合肥工业大学 | Friction-wear test work fixture |
| CN105842098B (en) * | 2016-04-18 | 2018-08-28 | 合肥工业大学 | A kind of friction-wear test frock clamp |
| CN106290039A (en) * | 2016-10-26 | 2017-01-04 | 常熟非凡新材股份有限公司 | steel ball abrasion test machine |
| CN108896257A (en) * | 2018-08-09 | 2018-11-27 | 华南理工大学 | It is a kind of multi-functional without interconnecting piece flexural pivot test tool |
| CN108896257B (en) * | 2018-08-09 | 2023-12-01 | 华南理工大学 | Multifunctional spherical hinge test tool without connecting part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20161005 Termination date: 20190418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |