CN202126323U - Magnetic force testing device for magnetic film - Google Patents
Magnetic force testing device for magnetic film Download PDFInfo
- Publication number
- CN202126323U CN202126323U CN2011202096000U CN201120209600U CN202126323U CN 202126323 U CN202126323 U CN 202126323U CN 2011202096000 U CN2011202096000 U CN 2011202096000U CN 201120209600 U CN201120209600 U CN 201120209600U CN 202126323 U CN202126323 U CN 202126323U
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- film
- ferric
- detecting device
- gear train
- frame
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Abstract
The utility model discloses a magnetic force testing device for a magnetic film. The magnetic force testing device comprises a detector (1) used for film adsorption, a connecting transmission mechanism (2), bearings (3), a speed adjusting motor (4), a fixing base (5), a rotational speed measuring device (6) and a frame (7); the speed adjusting motor is mounted on the fixing base; the speed adjusting motor outputs to the detector used for film adsorption through the connecting transmission mechanism; the detector used for film adsorption, the connecting transmission mechanism and the speed adjusting motor are in the same axial line and are mounted vertically; the connecting transmission mechanism is fixed to the frame through the bearings; the frame is fixed on the fixing base; and the rotational speed measuring device is connected to the connecting transmission mechanism to measure the rotational speed of the detector used for film adsorption. The detector used for film adsorption is a prism body taking the shape of a regular polygon, and a magnetic film (8) is adsorbed on a prismy surface of the prism body taking the shape of a regular polygon. The magnetic force testing device has a simple structure, wide measuring range and higher measuring accuracy.
Description
Technical field
The utility model relates to a kind of ferric-film magnetive attraction proving installation.
Background technology
At present; Extensively adopt magnetic damping film (abbreviation ferric-film) to be used for the vibration damping sound insulation of automobile in the automobile production both at home and abroad; In order to prevent to produce displacement in the magnetic damping film production run; Need film to have certain magnetive attraction, magnetic damping film and metal object magnetive attraction are one of important parameters of ferric-film.
The test of present known magnetive attraction adopts the magnetic flux method to test usually; This method test philosophy is based on that magnetic field theory carries out; Measurement result only reflects the magnetic field force size, for ferric-film, because film surface molecular structure is different; There is certain adhesion in the film surface with metal object, adopts the magnetic flux method can not accurately reflect the magnetive attraction of ferric-film on metal object.The size of using force transducer directly to measure the ferric-film magnetive attraction is also arranged.
Summary of the invention
The purpose of the utility model is to provide a kind of ferric-film magnetive attraction proving installation, this proving installation simple structure, and measurement range is wide, and measuring accuracy is higher.
To achieve these goals, the utility model adopts following technical scheme:
A kind of ferric-film magnetive attraction proving installation comprises that film absorption is with detecting device, connection gear train, bearing, buncher, fixed pedestal, rotation-speed measuring device and frame;
Said buncher is installed on the fixed pedestal, and buncher is exported through connecting the absorption of gear train to film and used detecting device, and film adsorbs with detecting device, connection gear train and buncher on same axis, and vertical the installation; Connect gear train and fix through bearing to frame, frame is fixed on the fixed pedestal; Rotation-speed measuring device is connected to connect measures the rotating speed of film absorption with detecting device on the gear train.
Said film absorption uses detecting device to be just polygonal prism, and ferric-film is adsorbed on the just polygonal prism prismatic surface.
Said film absorption uses detecting device to be just hexagonal prism or positive eight limit type prisms.
The utility model is a kind of proving installation that calculates principle test ferric-film magnetive attraction based on centrifugal force; This proving installation is through being adsorbed in ferric-film on the rotatable detecting device; Rotating speed through buncher control detection device; Measure the moment rotating speed that ferric-film breaks away from detecting device, measure the ferric-film magnetive attraction indirectly through the size of measuring ferric-film centrifugal force.
The utility model can accurately detect the adhesion of ferric-film on metal object, the proving installation simple structure of the utility model, and measurement range is wide, and measuring accuracy is higher, can be used for the test of the magnetive attraction size of various ferric-films.
Description of drawings
Fig. 1 is the utility model ferric-film magnetive attraction proving installation structural representation;
Fig. 2 uses the detector arrangement synoptic diagram for film absorption.
Among the figure: detecting device is used in the absorption of 1 film, and 2 connect gear train, 3 bearings, 4 bunchers, 5 fixed pedestals, 6 rotation-speed measuring devices, 7 frames, 8 ferric-films.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
Referring to Fig. 1, a kind of ferric-film magnetive attraction proving installation comprises that film absorption is with detecting device 1, connection gear train 2, bearing 3, buncher 4, fixed pedestal 5, rotation-speed measuring device 6 and frame 7;
Said buncher 4 is installed on the fixed pedestal 5, and buncher is a variable-frequency motor, and rotating speed is at 0～1000rpm usually; Buncher 4 outputs are through connecting the absorption of gear train 2 to film with detecting device 1; Film adsorbs with detecting device 1, connection gear train 2 and buncher 4 on same axis, and vertical installation (or vertical installation), that is: top is that film absorption is with detecting device 1; Middle for connecting gear train 2, the bottom is a buncher 4; Connect gear train 2 and fix through bearing 3 to frame 7, frame 7 is fixed on the fixed pedestal 5, thereby guarantees the stability that film absorption is rotated with detecting device 1.Said connection gear train 2 can be a rotating shaft, also can be wheel box.Rotation-speed measuring device 6 is connected to connect on gear train 2 output terminals and adsorbs the rotating speed with detecting device 1 in order to measure film, and rotation-speed measuring device 6 is a spin counter.
Said film absorption uses detecting device 1 to be just polygonal prism; Ferric-film 8 is adsorbed on the just polygonal prism prismatic surface; This just polygonal prism is for just hexagonal prism or positive eight limit type prisms, and referring to Fig. 2, film absorption uses detecting device 1 material to be metal object; This metal object is a magnetic conductor, like ironware etc.Film absorption shown in Figure 2 uses detecting device 1 to be just hexagonal prism; The center of circle of its prism to seamed edge is designed to 6cm apart from a; Prismatic high 6cm; Usually can select diameter be the die-cut ferric-film of 4.0cm as test specimen, it is adsorbed in film absorption with one of six prismatic surfaces of the just hexagonal prism of detecting device 1.
The course of work of the utility model ferric-film magnetive attraction proving installation is:
Referring to Fig. 1, Fig. 2; At first be that test specimen (being ferric-film 8) is adsorbed on the prismatic surface of film absorption with detecting device 1 of ferric-film magnetive attraction proving installation; Then through start speed regulating motor 4; And progressively increase speed of rotation and be separated, read the instantaneous rotational speed of separated test specimen (being ferric-film) from spin counter 6 up to test specimen and detecting device 1.And calculate the minimum magnetic attracting force (magnetive attraction) of test specimen (being ferric-film) according to following formula.
F = ?
×10
-5
In the formula: F=magnetive attraction, unit are N/cm2;
The quality of m=test specimen, unit is gram;
R=radius of turn, the cm of unit;
The surf zone of s=test specimen, unit are cm2;
ω=2 π n/60, wherein, the instantaneous rotational speed when n=ferric-film is separated, unit is rpm.
Wherein, the surface area s of the quality m of test specimen, test specimen is known, and radius of turn r is known, and the instantaneous rotational speed when ferric-film is separated can record through spin counter, then can calculate the ferric-film magnetive attraction through following formula.
More than be merely the preferred embodiment of the utility model; It is not the protection domain that is used to limit the utility model; Therefore, any modification of being done within all spirit and principles at the utility model, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (3)
1. a ferric-film magnetive attraction proving installation is characterized in that: comprise that film absorption is with detecting device (1), connection gear train (2), bearing (3), buncher (4), fixed pedestal (5), rotation-speed measuring device (6) and frame (7);
Said buncher (4) is installed on the fixed pedestal (5); Buncher (4) output is through connecting the absorption of gear train (2) to film with detecting device (1); Film adsorbs with detecting device (1), connection gear train (2) and buncher (4) on same axis, and vertical the installation; Connect gear train (2) and fix to frame (7) through bearing (3), frame (7) is fixed on the fixed pedestal (5); Rotation-speed measuring device (6) is connected connection gear train (2) and goes up the rotating speed of measurement film absorption with detecting device (1).
2. ferric-film magnetive attraction proving installation according to claim 1 is characterized in that: said film absorption is just polygonal prism with detecting device (1), and ferric-film (8) is adsorbed on the just polygonal prism prismatic surface.
3. ferric-film magnetive attraction proving installation according to claim 2 is characterized in that: said film absorption is just hexagonal prism or positive eight limit type prisms with detecting device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202096000U CN202126323U (en) | 2011-06-21 | 2011-06-21 | Magnetic force testing device for magnetic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202096000U CN202126323U (en) | 2011-06-21 | 2011-06-21 | Magnetic force testing device for magnetic film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202126323U true CN202126323U (en) | 2012-01-25 |
Family
ID=45489388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202096000U Expired - Lifetime CN202126323U (en) | 2011-06-21 | 2011-06-21 | Magnetic force testing device for magnetic film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202126323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374466A (en) * | 2018-12-17 | 2019-02-22 | 中国科学院合肥物质科学研究院 | A kind of fruit combination force test device and method based on centrifugal force detection |
-
2011
- 2011-06-21 CN CN2011202096000U patent/CN202126323U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374466A (en) * | 2018-12-17 | 2019-02-22 | 中国科学院合肥物质科学研究院 | A kind of fruit combination force test device and method based on centrifugal force detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120125 |