CN209690145U - A kind of rotary oscillating type stiction and confficient of static friction mechanism for testing - Google Patents
A kind of rotary oscillating type stiction and confficient of static friction mechanism for testing Download PDFInfo
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- CN209690145U CN209690145U CN201920126282.8U CN201920126282U CN209690145U CN 209690145 U CN209690145 U CN 209690145U CN 201920126282 U CN201920126282 U CN 201920126282U CN 209690145 U CN209690145 U CN 209690145U
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- static friction
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Abstract
The utility model provides a kind of rotary oscillating type stiction and confficient of static friction mechanism for testing, including fixed pedestal, and the transmission case being mounted on fixed pedestal；Rotating device and rotary-tray are installed on the transmission case, transmission damping unit is installed in the transmission case, the rotating device drives rotary-tray rotation by transmission damping unit；The rotary-tray is for placing measurement sample block.Rotary oscillating type stiction and confficient of static friction mechanism for testing described in the utility model can realize the test of stiction and confficient of static friction by rotary-tray, be of great significance for the actual condition analysis for two kinds of materials being fixedly connected.
Description
Technical field
The utility model belongs to friction force testing equipment technical field, more particularly, to a kind of rotary oscillating type stiction
And confficient of static friction mechanism for testing.
Background technique
Currently, conventional frictional force and PVvalue testing standard and device spininess surveys kinetic force of friction and dynamic friction coefficient
Examination, does not have corresponding test method for stiction and confficient of static friction.But it is quiet to rub as every analysis precision is increasingly promoted
The test for wiping power and confficient of static friction becomes the inevitable requirement that test characterizes.So original mechanism for testing can not be directly to static friction
Power is tested with confficient of static friction.
Utility model content
In view of this, the utility model is directed to a kind of rotary oscillating type stiction and confficient of static friction test machine
Structure, to solve the problems, such as that existing mechanism for testing can not directly test stiction and confficient of static friction.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of rotary oscillating type stiction and confficient of static friction mechanism for testing, including fixed pedestal, and be mounted on solid
Determine the transmission case on pedestal；
Rotating device and rotary-tray are installed on the transmission case, transmission damping unit is installed in the transmission case,
The rotating device drives rotary-tray rotation by transmission damping unit；
The rotary-tray is for placing measurement sample block.
Further, the rotating device includes dial and the rotating handle that is mounted on dial, and the dial is
Disk, the dial are connect by connecting shaft with transmission damping unit；The dial is used to show the angle of rotation.
Further, the rotary-tray includes bottom plate and the L-type plate being mounted on bottom plate, the L-type plate and bottom
Plate is integrally formed, and forms semi-surrounding structure；
Side of the bottom plate close to transmission case is arranged in a line of the L-type plate, and the rear side of bottom plate is arranged in another a line.
Further, the rotary-tray is also correspondingly provided with fixed device, and the fixed device is arranged in bottom plate far from L-type
The side of plate, the fixed device are used for fixation measuring sample block.
Further, the fixed device includes fixed plate, handle, screw rod, push plate；
The fixed plate is weldingly fixed on bottom plate, and the fixed plate is equipped with threaded hole corresponding with screw rod, the spiral shell
Bar is threadedly coupled with the threaded hole；
The handle is fixed on the one end of screw rod far from L-type plate, and the push plate is mounted on screw rod close to the one of L template
End.
Further, the push plate is plectane；
The bottom plate is designed with fixed device on two sides far from L-type plate, sets that there are two fixed devices in each edge.
Further, the transmission damping unit includes worm screw, worm gear, and the worm screw is mounted on transmission case by bearing
Interior, the end of the worm screw is equipped with drive flange by O-ring, and the rotating device is fixedly connected with drive flange；
The worm gear is mounted on the lower section of worm screw, the worm and wheel cooperation rotation；The shaft and rotation of the worm gear
Pallet connection.
Compared with the existing technology, rotary oscillating type stiction and confficient of static friction mechanism for testing described in the utility model
It has the advantage that
Rotary oscillating type stiction and confficient of static friction mechanism for testing described in the utility model can be held in the palm by rotation
Disk realizes the test of stiction and confficient of static friction, has for the actual condition analysis for two kinds of materials being fixedly connected important
Meaning.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.In
In attached drawing:
Fig. 1 is that rotary oscillating type stiction described in the utility model embodiment and confficient of static friction mechanism for testing are whole
Structure chart；
Fig. 2 is measurement structure front view described in the utility model embodiment；
Fig. 3 is measurement structure side view described in the utility model embodiment；
Fig. 4 is transmission damping unit structure chart described in the utility model embodiment.
Description of symbols:
1, fixed pedestal；2, transmission case；3, dial；31, rotating handle；4, rotary-tray；41, L-type plate；42, fixed plate；
43, handle；44, screw rod；45, push plate；5, shaft；6, it is driven damping unit；61, worm screw；62, worm gear；63, drive flange；
64, O-ring.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1 to Figure 3, a kind of rotary oscillating type stiction and confficient of static friction mechanism for testing, including fixed base
Seat 1, and the transmission case 2 being mounted on fixed pedestal 1；
Rotating device and rotary-tray 4 are installed on the transmission case 2, transmission damping dress is installed in the transmission case 2
6 are set, the rotating device drives rotary-tray 4 to rotate by transmission damping unit 6；
The rotary-tray 4 is for placing measurement sample block.
The rotating device includes dial 3 and the rotating handle being mounted on dial 3 31, and the dial 3 is circle
Disk, the dial 3 are connect by connecting shaft with transmission damping unit；The dial 3 is used to show the angle of rotation.
The rotary-tray 4 includes bottom plate and the L-type plate 41 being mounted on bottom plate, the L-type plate 41 and bottom plate one
It is body formed, form semi-surrounding structure；
Bottom plate is arranged in close to the side of transmission case 2, after bottom plate is arranged in another a line in a line of the L-type plate 41
Side.
The rotary-tray 4 is also correspondingly provided with fixed device, and bottom plate is arranged in far from L template 41 in the fixed device
Side, the fixed device are used for fixation measuring sample block.
The fixed device includes fixed plate 42, handle 43, screw rod 44, push plate 45；
The fixed plate 42 is weldingly fixed on bottom plate, and the fixed plate 42 is equipped with threaded hole corresponding with screw rod 44,
The screw rod 44 is threadedly coupled with the threaded hole；
The handle 43 is fixed on the one end of screw rod 44 far from L-type plate 41, and the push plate 45 is mounted on screw rod 44 close to L
One end of template 41.
The push plate 45 is plectane；The bottom plate is designed with fixed device, each edge on two sides far from L-type plate 41
On set there are two fixed device, measurement sample block of the fixed device for fixed lower section.
6 detail drawing of damping unit is driven as shown in figure 4, it is torque input end, O-ring 64 that drive flange 63, which connects dial 3,
For sealing structure, bearing connection input flange and worm screw 61, worm screw 61 connect with worm gear 62, and worm screw 61 is driven when bearing rotates
It is rotated with worm gear 62, worm gear 62 and worm screw 61 play conversion transmission direction and damping action, prevent rotary-tray 4 from voluntarily rotating.
Oil sealing and boring cover play the role of closed entire transmission device.
Measurement method is as follows: having A, B two to measure sample block in test, simultaneously with cotton ball soaked in alcohol wiping A, B difference block test plane
It dries, A sample block is fixed on rotary-tray by fixing device, and test plane is upward, and rotation rotating handle adjusts A sample block test plane and causes
B sample block is placed on A sample block by horizontality later, contacts different block test plane.Rotating handle is then slowly rotated, in B sample block
Start stopping when sliding, records and rotate angular values θ on dial, the static friction in A, B difference block test plane is calculated
Power and confficient of static friction, calculation formula are as follows:
F=mBg·sinθ
μ=tan θ
F is stiction, m in above-mentioned formulaBFor B sample block quality, g be acceleration of gravity, μ is confficient of static friction.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of rotary oscillating type stiction and confficient of static friction mechanism for testing, it is characterised in that: including fixed pedestal (1),
And it is mounted on the transmission case (2) on fixed pedestal (1)；
Rotating device and rotary-tray (4) are installed on the transmission case (2), transmission damping is installed in the transmission case (2)
Device (6), the rotating device pass through transmission damping unit (6) driving rotary-tray (4) rotation；
The rotary-tray (4) is for placing measurement sample block.
2. rotary oscillating type stiction according to claim 1 and confficient of static friction mechanism for testing, it is characterised in that: institute
Stating rotating device includes dial (3) and the rotating handle (31) being mounted on dial (3), and the dial (3) is disk,
The dial (3) is connect by connecting shaft with transmission damping unit；The dial (3) is used to show the angle of rotation.
3. rotary oscillating type stiction according to claim 1 and confficient of static friction mechanism for testing, it is characterised in that: institute
Stating rotary-tray (4) includes bottom plate and the L-type plate (41) being mounted on bottom plate, the L-type plate (41) and bottom plate one at
Type forms semi-surrounding structure；
The a line of the L-type plate (41) is arranged in bottom plate close to the side of transmission case (2), after bottom plate is arranged in another a line
Side.
4. rotary oscillating type stiction according to claim 3 and confficient of static friction mechanism for testing, it is characterised in that: institute
It states rotary-tray (4) and is also correspondingly provided with fixed device, the fixed device is arranged in side of the bottom plate far from L-type plate (41), institute
Fixed device is stated for fixation measuring sample block.
5. rotary oscillating type stiction according to claim 4 and confficient of static friction mechanism for testing, it is characterised in that: institute
Stating fixed device includes fixed plate (42), handle (43), screw rod (44), push plate (45)；
The fixed plate (42) is weldingly fixed on bottom plate, and the fixed plate (42) is equipped with screw thread corresponding with screw rod (44)
Hole, the screw rod (44) are threadedly coupled with the threaded hole；
The handle (43) is fixed on the one end of screw rod (44) far from L-type plate (41), and the push plate (45) is mounted on screw rod
(44) close to the one end of L-type plate (41).
6. rotary oscillating type stiction according to claim 5 and confficient of static friction mechanism for testing, it is characterised in that: institute
Stating push plate (45) is plectane；
The bottom plate sets that there are two fixed devices far from fixed device is designed on two sides of L-type plate (41) in each edge.
7. rotary oscillating type stiction according to claim 1 and confficient of static friction mechanism for testing, it is characterised in that: institute
Stating transmission damping unit (6) includes worm screw (61), worm gear (62), and the worm screw (61) is mounted in transmission case (2) by bearing,
The end of the worm screw (61) is equipped with drive flange (63) by O-ring (64), the rotating device and drive flange (63)
It is fixedly connected；
The worm gear (62) is mounted on the lower section of worm screw (61), and the worm screw (61) and worm gear (62) cooperation rotate；The worm gear
(62) shaft (5) is connect with rotary-tray (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920126282.8U CN209690145U (en) | 2019-01-24 | 2019-01-24 | A kind of rotary oscillating type stiction and confficient of static friction mechanism for testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920126282.8U CN209690145U (en) | 2019-01-24 | 2019-01-24 | A kind of rotary oscillating type stiction and confficient of static friction mechanism for testing |
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| Publication Number | Publication Date |
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| CN209690145U true CN209690145U (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920126282.8U Active CN209690145U (en) | 2019-01-24 | 2019-01-24 | A kind of rotary oscillating type stiction and confficient of static friction mechanism for testing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540785A (en) * | 2019-01-24 | 2019-03-29 | 中汽研（天津）汽车工程研究院有限公司 | A kind of rotary oscillating type stiction and confficient of static friction mechanism for testing |
-
2019
- 2019-01-24 CN CN201920126282.8U patent/CN209690145U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540785A (en) * | 2019-01-24 | 2019-03-29 | 中汽研（天津）汽车工程研究院有限公司 | A kind of rotary oscillating type stiction and confficient of static friction mechanism for testing |
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