CN105300822B - A kind of suction of volume zero friction and wear test machine - Google Patents
A kind of suction of volume zero friction and wear test machine Download PDFInfo
- Publication number
- CN105300822B CN105300822B CN201510660488.5A CN201510660488A CN105300822B CN 105300822 B CN105300822 B CN 105300822B CN 201510660488 A CN201510660488 A CN 201510660488A CN 105300822 B CN105300822 B CN 105300822B
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- pedestal
- operation panel
- retarder
- bearing
- test specimen
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Abstract
The invention discloses a kind of suction of volume zero friction and wear test machines, including pedestal, kinetic system are unified, upper table surface 3 and lower plate 1 is arranged in kinematic system two and drive system, the pedestal；The kinematic system two is fixedly connected with pedestal, the kinetic system is uniformly fixedly connected on operation panel 46, the operation panel 46 is slidably connected with pedestal, and the drive system is separately connected pedestal and operation panel 46, for driving the relative motion between operation panel 46 and pedestal.The suction friction and wear test machine of volume zero of the present invention, has many advantages, such as that simple in structure, disk utilization rate is high, wearability is strong, at low cost, precision is high, stability is high.
Description
Technical field
The present invention relates to friction wear testing machine technical field, more particularly to a kind of suction of volume zero friction and wear test machine.
Background technology
All there is friction between the relative movement part of mesh mechanical equipment, it is improper caused by due to faulty lubrication to rub
Scouring is damaged, in the huge waste for influencing to also result in the wealth of society while people's production activity.In order to fretting wear phenomenon and
Its essence is studied, correctly evaluates influence of the factors such as material and environment to fretting wear, and friction wear testing machine is must not
The testing equipment that can lack.
Volume zero inhales operating mode, is that the average speed of two surfaces of solids is equal to zero, and sliding rolling ratio is equal to infinitely great situation in other words,
Such as it may occur to make in the suction operating mode of volume zero or spacecraft twice in a cycle of cam-tappet pair lubricating system
Cageless rolling bearing is operated under the conditions of the suction of volume zero.The country there is no the friction-wear test for the suction operating mode of volume zero at present
Machine.Consider the current situation of friction wear testing machine, and for cam-tappet mechanism and cageless rolling bearing friction mill
Damage the research of performance, it is necessary to which exploitation is a kind of simple in structure, cheap, stablizes durable friction wear testing machine.
Invention content
The present invention proposes that a kind of suction of volume zero friction and wear test machine, specific technical solution are as follows：
A kind of suction of volume zero friction and wear test machine, including the unification of pedestal, kinetic system, kinematic system two and drive system, institute
State pedestal setting upper table surface 3 and lower plate 1；The kinematic system two is fixedly connected with pedestal, the unified fixed company of the kinetic system
It is connected to operation panel 46, the operation panel 46 is slidably connected with pedestal, and the drive system is separately connected pedestal and operating surface
Plate 46, for driving the relative motion between operation panel 46 and pedestal.
Further, the kinetic system includes uniformly servo motor 30, retarder 29, supporting rack 28, supporting rod 26, servo
Motor 30 uses thread connection, retarder 29 to be threaded with retarder supporting rack 28 with retarder 29, is sandwiched between rubber
Rubber cushion, retarder supporting rack 28 are screwed on operation panel 46, the punching steel ball 25 as test specimen be screwed in
Supporting rod 26, supporting rod 26 are connected by shaft coupling 27 and the output shaft of retarder 29.
Further, the kinematic system two include servo motor 24, retarder 23, support column 21, servo motor 24 with
For retarder 23 using being threadedly coupled, retarder 23 and support column 21 use thread connection, and support column 21 is screwed in appearing on the stage
Face 3, reducer output shaft couple via shaft coupling 22 with the input shaft of test specimen installation system.
Further, test specimen installation system, the main shaft 10 and axis of the test specimen installation system are installed in kinematic system two
The cooperation of 19 inner rings is held, 19 outer ring of bearing coordinates with outer sleeve 13, by inner sleeve 20, upper end cover 18, upper end cover 12 and pre-tightens spiral shell
Mother 11 compresses bearing 19, and upper and lower end cap 18,12 is fixed on by screw on outer sleeve 13,10 upper ends disk test specimen of main shaft
14, it is sandwiched between rubber washer, rubber washer and steel pad 15 is arranged on test specimen, is compressed by pressing sleeve 16, on pressing sleeve 16 there are six dresses
Levelling bolt 17 is adjusting disc level.
Further, the drive system includes front stall 45, back seat 47, and the front stall 45 is fixed on operation panel 46,
Back seat 47 is fixed on upper table surface 3, and front stall 45 is connect with 47 the two of back seat by drive shaft 48.
Further, further include loading device, the loading device is fixedly connected on operation panel 46, and the two of loading device
A branch seat leg 34 is installed on operation panel 46, and bearing top 31 is screwed in 34 top of branch seat leg, and inside is equipped with left and right
A two holders 33, holder endoporus are equipped with bearing, and to coordinate with retainer axis 32, three point bearing ball support 35 is solid with screw
It is scheduled on bottom plate 36,36 one end of bottom plate is screwed in retainer axis 32, and the other end is equipped with connector 38, and connector 38 is logical
It crosses spring to connect with connector 38, connector 38 is threaded with 39 one end of sensor, 39 other end screw thread of sensor
Connector 40 couples with load bar 42, and 42 other end of load bar passes through load pedestal 43, and nut 44 is used in combination to fix.
Further, the loading device includes three point bearing ball support 35, and the three point bearing ball support 35 is set
Set three ball support axis 9, the ball support axis 9 is threaded in being equipped with rolling bearing 8, outside spiral shell on ball backing seat 7, axis
Mother's fastening, bearing and nut are sandwiched between gasket.
Further, the load pedestal 43 is threaded on load supporting rod 41, and load supporting rod 41 uses spiral shell
Nail is fixed on operation panel 46.
A kind of suction of volume zero friction and wear test machine provided by the present invention, has the following advantages：
The first, operation panel system control driven can move in parallel so that steel ball sample can move horizontally, in circle
The different location of disk sample contacts, and after trace is irised wipe in generation one on disk, steel ball can be moved to a certain on disk be not used
Disk utilization rate is improved in the position crossed.
The second, retarder is arranged in pairs or groups to drive using servo motor, servo motor can realize stepless speed regulation, while have essence
The advantage high, noise is small, with small vibration is spent, low-speed running is stablized without creeping after retarder of arranging in pairs or groups, and can accurately control the line of test specimen
Speed.Output shaft and input shaft are connected using spring coupling, can effectively make up the error between axis, ensures the steady of operating
It is fixed.
Third is loaded using lever principle, and the value of contact position load is three times of the value for applying load, is improved
The efficiency of load, three point bearing ball support and steel ball have three point contact, are entirely limited its degree of freedom, owe limitation with excessively
Limitation, simple in structure, stability is good, and the sensor bulk used is small, high sensitivity, is flexibly connected by spring and bottom plate, can
To make up the displacement error that bottom plate circular motion is brought.
4th, test specimen installation system has the function of adjusting disk test specimen total run-out, coordinates amesdial, by adjusting pressing sleeve
The compression degree of upper six screws, you can adjustment disk total run-out substantially increases the load of two test specimen contact zones within 2 microns
Lotus stability.
Description of the drawings
Fig. 1 is overall structure of the present invention；
Fig. 2 is base construction schematic diagram of the present invention；
Fig. 3 is base rail enlarged diagram of the present invention；
Fig. 4 is test specimen installation system schematic diagram of the present invention；
Fig. 5 is test specimen installation system sectional view of the present invention；
Fig. 6 is that kinetic system of the present invention unifies structural schematic diagram；
Fig. 7 is two structural schematic diagram of kinematic system of the present invention；
Fig. 8 is loading device structural schematic diagram of the present invention；
Fig. 9 is three point bearing ball support enlarged drawing of the present invention；
Figure 10 is driving system structure schematic diagram of the present invention.
Figure label：
1 lower plate, 2 pillars, 3 upper table surfaces, 4 supporting screws, 5 keys, 6 guide rails, 7 ball backing seats, 8 bearings, 9 ball support axis, 10
Main shaft, 11 pre-load nuts, 12 bottom end covers, 13 outer sleeves, 14 disk test specimens, 15 steel pads, 16 pressing sleeves, 17 levelling bolts, 18 upper ends
Lid, 19 bearings, 20 inner sleeves, 21 support columns, 22 shaft couplings, 23 retarders, 24 servo motors, 25 steel ball test specimens, 26 supporting rods,
27 shaft couplings, 28 supporting racks, 29 retarders, 30 servo motors, 31 bearing tops, 32 retainer axis, 33 holders, 34 seat legs, 35
Three point bearing ball support, 36 bottom plates, 37 springs, 38 connectors, 39 sensors, 40 threaded connectors, 41 load supports, 42 add
Carry bar, 43 load pedestals, 44 primary nuts, 45 front stalls, 46 operation panels, 47 back seats, 48 drive shafts.
Specific implementation mode
Friction and wear test machine is inhaled to one kind volume zero of the invention with reference to the accompanying drawings and embodiments and makees further details of theory
It is bright.
One kind suction friction and wear test machine of volume zero of the present invention, including the unification of pedestal, kinetic system, kinematic system two and driving
System, the pedestal setting upper table surface 3 and lower plate 1；The kinematic system two is fixedly connected with pedestal, and the kinetic system is unified
Be fixedly connected on operation panel 46, the operation panel 46 is slidably connected with pedestal, the drive system be separately connected pedestal with
Operation panel 46, for driving the relative motion between operation panel 46 and pedestal.The kinetic system includes uniformly servo motor
30, retarder 29, supporting rack 28, supporting rod 26, servo motor 30 use thread connection, retarder 29 and deceleration with retarder 29
Device supporting rack 28 is threaded, and is sandwiched between rubber pad, and retarder supporting rack 28 is screwed on operation panel 46,
Punching steel ball 25 as test specimen is screwed the output for passing through shaft coupling 27 and retarder 29 in supporting rod 26, supporting rod 26
Axis is connected.The kinematic system two includes servo motor 24, retarder 23, support column 21, servo motor 24 and retarder 23
Using threaded connection, retarder 23 uses thread connection, support column 21 to be screwed in upper table surface 3, slow down with support column 21
Device output shaft couples via shaft coupling 22 with the input shaft of test specimen installation system.Test specimen installation system is installed in kinematic system two
System, main shaft 10 and 19 inner ring of bearing of the test specimen installation system coordinate, and 19 outer ring of bearing coordinates with outer sleeve 13, passes through inner sleeve
Cylinder 20, upper end cover 18, upper end cover 12 and pre-load nut 11 compress bearing 19, and upper and lower end cap 18,12 is fixed on housing by screw
On cylinder 13,10 upper ends disk test specimen 14 of main shaft is sandwiched between rubber washer, rubber washer and steel pad 15 is arranged on test specimen,
It is compressed by pressing sleeve 16, there are six levelling bolts 17 to adjust disc level for dress on pressing sleeve 16.The drive system includes front stall
45, back seat 47, the front stall 45 are fixed on operation panel 46, and back seat 47 is fixed on upper table surface 3, both front stall 45 and back seat 47
It is connected by drive shaft 48.Further include loading device, the loading device is fixedly connected on operation panel 46, and the two of loading device
A branch seat leg 34 is installed on operation panel 46, and bearing top 31 is screwed in 34 top of branch seat leg, and inside is equipped with left and right
A two holders 33, holder endoporus are equipped with bearing, and to coordinate with retainer axis 32, three point bearing ball support 35 is solid with screw
It is scheduled on bottom plate 36,36 one end of bottom plate is screwed in retainer axis 32, and the other end is equipped with connector 38, and connector 38 is logical
It crosses spring to connect with connector 38, connector 38 is threaded with 39 one end of sensor, 39 other end screw thread of sensor
Connector 40 couples with load bar 42, and 42 other end of load bar passes through load pedestal 43, and nut 44 is used in combination to fix.The load dress
It sets including three point bearing ball support 35, three ball support axis 9 are arranged in the three point bearing ball support 35, and the ball support axis 9 is logical
Thread connection is crossed in being equipped with rolling bearing 8 on ball backing seat 8, axis, outside is fastened with nut, and bearing and nut are sandwiched between pad
Piece.The load pedestal 43 is threaded on load supporting rod 41, and load supporting rod 41 is screwed in operating surface
On plate 46.
Embodiment 1：
For the present embodiment as shown in Figure 1, volume zero of the present embodiment inhales friction wear testing machine, testing stand includes pedestal, load
Device, drive system and two sets of independent kinematic systems.
As shown in Fig. 2, the group of pedestal becomes：Four supporting screws 4 are fixed on lower plate 1, four 2 one end screws of pillar
It is fixed on lower plate 1, the other end supports upper table surface 3 and fastened with screw, and guide rail 6 is screwed in upper table surface 3, internal
Key 5 is inlayed with screw, key 5 coordinates with operation panel 46.
Such as Fig. 6, shown in 7, the group of kinematic system becomes：System one：Servo motor 30 uses thread connection with retarder 29,
Retarder 29 uses thread connection with retarder supporting rack 28, is sandwiched between rubber pad, retarder supporting rack 28 is screwed
In on testing stand operation panel 46, the punching steel ball 25 as test specimen is screwed in supporting rod 26, and supporting rod 26 passes through connection
Axis device 27 and the output shaft of retarder 29 are connected；System two：Servo motor 24 is threadedly coupled with 23 use of retarder, retarder
23 use thread connection, retarder support column 21 to be screwed in upper table surface 3, reducer output shaft with retarder support column 21
Couple with the input shaft of test specimen installation system via shaft coupling 22.
As shown in Figure 10, the group of drive system becomes：Front stall 45 is screwed on operation panel 46, and back seat 47 uses spiral shell
Nail is fixed on upper table surface 3, and the two is connected and driven by drive shaft 48.
As shown in figure 8, the group of loading device becomes：There are two branch seat legs 34, bearing top 31 to use for installation on operation panel 46
Screw is fixed on 34 top of branch seat leg, and inside is equipped with bearing equipped with two holders 33 in left and right, holder endoporus, to holding
Frame axis 32 coordinates, and three point bearing ball support 35 is screwed on bottom plate 36, and 36 one end of bottom plate is screwed in holding
Frame axis 32, the other end are equipped with connector 38, and connector 38 is connect by spring with connector 38, connector 38 and sensor 39
One end is threaded, and 39 other end of sensor is coupled with thread connector 40 with load bar 42, and 42 other end of load bar is worn
Load pedestal 43 is crossed, nut 44 is used in combination to fix.
Such as Fig. 4, shown in 5, the group of test specimen installation system becomes：Main shaft 10 and 19 inner ring of bearing coordinate, 19 outer ring of bearing with
Outer sleeve 13 coordinates, and bearing 19, upper and lower end cap 18,12 are compressed by inner sleeve 20, upper and lower end cap 18,12 and pre-load nut 11
It is fixed on outer sleeve 13 by screw, 10 upper ends disk test specimen 14 of main shaft is sandwiched between rubber washer, rubber is arranged on test specimen
Rubber gasket and steel pad 15, are compressed by pressing sleeve 16, and there are six levelling bolts 17 to adjust disc level for dress on pressing sleeve 16.
As shown in figure 9, the group of three point bearing ball support becomes：Three ball support axis 9 are threaded in ball backing seat
7, rolling bearing 8 is installed on axis, outside is fastened with nut, and bearing and nut are sandwiched between gasket.
As shown in figure 8, load pedestal 43 is threaded on load supporting rod 41, load supporting rod 41 is solid with screw
Due on operation panel 46.
Disk test specimen 14 is placed on the main shaft 10 of test specimen installation system and is fixed, then with amesdial combination leveling spiral shell
Nail 17 is horizontal to adjust its；Punching steel ball 25 is fixed on bead stock one end, ensures it with 29 output shaft of retarder without speed
Error.
By PC control servo motor 24 and servo motor 30, drive disk test specimen and steel ball with identical line respectively
Speed rotates, and forms the suction operating mode of volume zero.
Load bar 42 is dragged downward vertically, drives bottom plate 36, makes the compressing punching steel ball 25 of three point bearing ball support 35, when
After the force value that sensor 39 is shown reaches experiment condition, nut 44 is tightened, load is completed in fixed load bar position.
Easily lubricant can be added to contact zone and observe the formation and variation of cut in experimentation.Experiment knot
Shu Hou unloads and removes disk test specimen 14, can be cut to sample subsequently to observe and to handle.
As described above, only presently preferred embodiments of the present invention cannot be limited the scope of implementation of the present invention, i.e., with this
In every case according to simple equivalent changes and modifications made by scope of the present invention patent and invention description content, all still belong to the present invention
In the range of patent covers.
Claims (3)
1. a kind of suction of volume zero friction and wear test machine, it is characterised in that：Including pedestal, kinetic system unification, kinematic system two and drive
Dynamic system, the pedestal setting upper table surface (3) and lower plate (1)；The kinematic system two is fixedly connected with pedestal, the movement
System one is fixedly connected on operation panel (46), and the operation panel (46) is slidably connected with pedestal, the drive system difference
Pedestal and operation panel (46) are connected, for driving relative motion of the operation panel (46) between pedestal；
The kinetic system includes uniformly servo motor (30), retarder (29), supporting rack (28), supporting rod (26), servo motor
(30) thread connection, retarder (29) is used to be threaded with retarder supporting rack (28) with retarder (29), centre folder
There are rubber pad, retarder supporting rack (28) to be screwed on operation panel (46), the steel ball test specimen (25) as test specimen is used
Screw is fixed on supporting rod (26), and supporting rod (26) passes through shaft coupling（ 27）With retarder（ 29）Output shaft be connected；
The kinematic system two includes servo motor (24), retarder (23), support column (21), servo motor (24) and retarder
(23) using being threadedly coupled, retarder (23) uses thread connection, support column (21) to be screwed in upper with support column (21)
Table top (3), reducer output shaft couple via shaft coupling (22) with the input shaft of test specimen installation system；
Test specimen installation system is installed, main shaft (10) and bearing (19) inner ring of the test specimen installation system are matched in kinematic system two
It closes, bearing (19) outer ring coordinates with outer sleeve (13), by inner sleeve (20), upper end cover (18), bottom end cover (12) and pre-tightens spiral shell
Female (11) compress bearing (19), and upper end cover (18) and bottom end cover (12) are fixed on by screw on outer sleeve (13), main shaft (10)
Disk test specimen (14) is placed in the media slot of upper end, is sandwiched between rubber washer, rubber washer and steel pad (15) are arranged on test specimen,
It is compressed by pressing sleeve (16), there are six levelling bolts for dress on pressing sleeve (16)（ 17）To adjust disc level；
The drive system includes front stall (45), back seat (47), and the front stall (45) is fixed on operation panel (46), back seat
(47) it is fixed on upper table surface (3), front stall (45) is connect with back seat (47) the two by drive shaft (48)；
Further include loading device, the loading device is fixedly connected on operation panel (46), two branch seat legs of loading device
(34) it is installed on operation panel (46), bearing top（ 31）It is screwed in branch seat leg (34) top, inside is equipped with a left side
Right two holders (33), holder endoporus are equipped with bearing, to coordinate with retainer axis (32), three point bearing ball support (35)
It is screwed on bottom plate (36), bottom plate (36) one end is screwed in retainer axis (32), and the other end is equipped with connection
Part (38), connector (38) are connect by spring with connector (38), and connector (38) passes through screw thread with sensor (39) one end
Connection, sensor (39) other end are coupled with thread connector (40) with load bar (42), and load bar (42) other end, which passes through, to be added
Pedestal (43) is carried, is used in combination nut (44) fixed.
2. a kind of suction of volume zero friction and wear test machine according to claim 1, it is characterised in that：The loading device includes
Three ball support axis (9), the ball support axis (9) is arranged in three point bearing ball support (35), the three point bearing ball support (35)
It is threaded in being equipped with rolling bearing (8) on ball backing seat (7), axis, outside is fastened with nut, among bearing and nut
Accompany gasket.
3. a kind of suction of volume zero friction and wear test machine according to claim 1, it is characterised in that：The load pedestal (43)
It is threaded on load supporting rod (41), load supporting rod (41) is screwed on operation panel (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510660488.5A CN105300822B (en) | 2015-10-14 | 2015-10-14 | A kind of suction of volume zero friction and wear test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510660488.5A CN105300822B (en) | 2015-10-14 | 2015-10-14 | A kind of suction of volume zero friction and wear test machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105300822A CN105300822A (en) | 2016-02-03 |
| CN105300822B true CN105300822B (en) | 2018-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510660488.5A Expired - Fee Related CN105300822B (en) | 2015-10-14 | 2015-10-14 | A kind of suction of volume zero friction and wear test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105300822B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202739A (en) * | 2017-06-14 | 2017-09-26 | 清华大学 | Sliding rolling test device and friction wear testing machine for friction wear testing machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105300822A (en) | 2016-02-03 |
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