CN2833995Y - Adjustable frequency/amplitude electric oscillator - Google Patents
Adjustable frequency/amplitude electric oscillator Download PDFInfo
- Publication number
- CN2833995Y CN2833995Y CN 200520106423 CN200520106423U CN2833995Y CN 2833995 Y CN2833995 Y CN 2833995Y CN 200520106423 CN200520106423 CN 200520106423 CN 200520106423 U CN200520106423 U CN 200520106423U CN 2833995 Y CN2833995 Y CN 2833995Y
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- China
- Prior art keywords
- motor
- motor shaft
- adjustable
- frequency
- eccentric block
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- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to an electric vibrator of which the frequency and the amplitude are adjustable, and belongs to the field of the mechanical technology of vibrating appliances. The utility model is provided with a motor composed of a base, a motor shaft, a motor rotor, a motor stator and a fan, a frequency converter, a fanlike plate-shaped nonadjustable eccentric block, a fanlike plate-shaped adjustable eccentric block, a flat key, a spline, an eccentric block nut and a dial, wherein one end of the motor is tightly matched with the nonadjustable eccentric block by the flat key, and the end of the motor shaft is fastened with a fan by a nut; the tapered spline which is arranged at the other end of the motor shaft is tightly matched and connected with a tapered spline groove arranged on the adjustable eccentric block, and the tapered spline is fastened with the tapered spline groove by the eccentric block nut. The motor, the frequency converter and a power supply are all in electrical connection. The utility model which is applied to vibrating appliances has the advantages of simple and artful structure, obvious and reliable effect, adjustable frequency and amplitude, easy manufacture, low cost and favorable popularization.
Description
Technical field
The utility model frequency and amplitude adjustable electric oscillator relates to field of mechanical technique; Be particularly related to the field of mechanical technique of vibrations apparatus; Be specifically related to frequency and amplitude adjustable electric oscillator technical field.
Background technology
Present various oscillator is the vibration frequency and fixing amplitude vibrations, particularly electrodynamic shaker to fix all, present still friction frequency and all adjustable electrodynamic shaker of amplitude, and it is actual that frequency and amplitude are adjustable is exactly that vibration velocity and vibration force are adjustable.Traditional vibration frequency and amplitude have defective and the drawback that can't avoid, are in particular in the following aspects:
1, range of application is little.For example: take off on the liquid sieve when screening plant or vibration and use, since will sieve, the particle size range that is sized material varies, density range varies, and the material big for particle diameter, that density is big requires frequency and amplitude big; The material little for particle diameter, that density is little requires frequency and amplitude smaller; The material big for particle diameter, that density is little requires frequency big, and amplitude is smaller; The material little for particle diameter, that density is big requires frequency smaller, and amplitude is big.Traditional electrodynamic shaker can't satisfy these requirements.
2, meaningless energy consumption.Frequency, amplitude are big more, and energy consumption is just big more, otherwise, then more little.For example: take off application on the liquid sieve at screening plant or oscillatory type, traditional oscillator is with fixing frequency and amplitude vibration, when material particle size and density diminish, require frequency and amplitude smaller, but traditional oscillator is still with intrinsic frequency and amplitude vibration, this certainly will cause meaningless energy consumption.
3, meaningless wearing and tearing.For example: take off application on the liquid sieve at screening plant or oscillatory type, on frequency that surmounts requirement and amplitude, vibrate, though can reach the purpose of screening, but can increase energy consumption extraly, from the angle of energy, the energy of additive decrementation has just become a kind of damage energy to equipment; From the angle of amplitude and frequency, be exactly impact number of times and the impulsive force that has additionally increased equipment, this can increase the wearing and tearing of equipment undoubtedly.
4, the utility model is exactly on the basis of defective that is fully recognized that prior art and drawback, for overcoming these defectives and drawback, from a kind of new angle, new conception, adopt that new frame mode is that develop, science, reasonable frequency amplitude adjustable electric oscillator.
The utility model content
The purpose of this utility model provides a kind of novel vibration frequency and the electrodynamic shaker that amplitude is adjustable, structural member is simple, easy to adjust.
The utility model frequency and amplitude adjustable electric oscillator primary structure characteristics are exactly the two eccentric blocks that are made of non-adjustable eccentric block and adjustable eccentric piece, and these two eccentric blocks are installed in the two ends of motor shaft respectively, and size, quality, shape, moment of inertia are all identical.Relative mounting positions between wherein non-adjustable eccentric block and the motor shaft is constant; Wherein the relative mounting positions between another adjustable eccentric piece and the motor shaft can change, this relative mounting positions variable (promptly adjustable) just, make the angle theta adjustable (F1=F2) of centrifugal force F1 and F2 of two eccentric blocks, can between 0 °-180 °, adjust, two centrifugal force angles are big more, realize the purpose that amplitude is adjustable therefrom.
The oscillator frequency is adjusted, and is that the frequency conversion by motor realizes, with a frequency converter that is complementary with motor, the frequency adjustment by frequency converter realizes the rotating speed of motor adjustment, by the adjustment of motor speed, realizes the purpose that vibration frequency is adjusted.
For achieving the above object, the technical scheme that the utility model provides is: a kind of frequency and amplitude adjustable electric oscillator, comprise base, motor shaft, rotor, motor stator, frequency converter, also be provided with non-adjustable eccentric block, flat key, adjustable eccentric piece, spline, eccentric block nut, dial;
Described base is the flap-like structure, described motor shaft is an axle shape structure, described rotor, motor stator are and are inlaid with electric wire shape structure in the metallic channel, described non-adjustable eccentric block, adjustable eccentric piece are fan-shaped plate-like structure, described flat key is rectangular-shaped structure, described spline is the cone key shape structure that a plurality of cuboids constitute, and described eccentric block nut is a hex nut shape structure, the disc-shaped structure of described dial for being made of the radioactivity scale;
Described frequency and amplitude adjustable electric oscillator, its base is connected in the mode that setting connects as one with the motor outer wall, metallic channel on its motor shaft is connected in the mode of inlaying with electric wire and constitutes rotor, metallic channel in its motor outer wall is connected in the mode of inlaying with electric wire and constitutes motor stator, its motor wall is connected in close-fitting mode by bearing with motor shaft, electric wire on its motor stator and power supply are to be electrically connected, one end of its motor shaft is connected in close-fitting mode by flat key with non-adjustable eccentric block, this end of motor shaft is connected in fastening mode by nut with fan, the spline that is connected with taper is set on the other end of its motor shaft, the axis hole of adjustable eccentric piece is provided with the spline of taper, taper spline on the motor shaft other end is connected in close-fitting mode with the adjustable eccentric piece and is connected in fastening mode by the eccentric block nut, is provided with the dial of disc-shaped structure on the spindle nose disc of its motor shaft other end in the mode of radioactivity scale.
Radioactivity scale on the described dial be 0 the degree to 180 the degree or be 0 the degree to 360 the degree.
Described base, motor shaft, rotor, motor stator, motor outer wall, fan constitute motor jointly, and described this motor is a variable-frequency motor, and described this variable-frequency motor and frequency converter are to be electrically connected.
Described non-adjustable eccentric block and adjustable eccentric piece, it can constitute certain included angle between the two, and the angle of described this angle is degree angle, 0 degree angle to 180.
The non-adjustable eccentric block of installing on the described motor shaft is left end that is installed in motor shaft or the right-hand member that is installed in motor shaft; The adjustable eccentric piece of installing on the described motor shaft is right-hand member that is installed in motor shaft or the left end that is installed in motor shaft.
Because the technical scheme that has adopted the utility model to provide, make the utility model can utilize non-adjustable eccentric block and the formed adjustable angle of adjustable eccentric piece, to realize the adjustable purpose of amplitude, and, the big I of adjusting angle is shown by dial, thereby also can adjust the size of two eccentric block angles as required, adjust amplitude size purpose as can be known to reach; Simultaneously, also since set variable-frequency motor of the utility model and frequency converter being electrically connected, thereby can reach the purpose of frequency adjustable.Like this, the utility model is compared with prior arts such as present oscillator, electrodynamic shakers, has following beneficial effect:
1, the scope of application is big.For example: take off application on the liquid sieve at screening plant or oscillatory type, can rationally adjust frequency and amplitude according to the size and the density of particle diameter.
2, energy-conservation.Because amplitude and frequency is adjustable, rationally adjust frequency and amplitude, with the energy that mates most, reach best effect, realize the minimum consumption of energy.
3, wearing and tearing are little.Owing to possess the minimum consumption of reasonable adjustment amplitude and frequency and energy, make this utility model can not be operated on the frequency and amplitude that surmounts requirement, can additionally not increase impact number of times and impulsive force to equipment, can additionally not increase the wearing and tearing of equipment.
4, design science of the present utility model rationally, simple and ingenious structure, effect be significantly reliable, easily make, cost is low, profit is applied.
Description of drawings
Fig. 1 looks schematic diagram for the master of the utility model embodiment; Among the figure key position has been carried out partly analysing and observe, more clear with what the utility model was embodied.
Fig. 2 looks schematic diagram for the right side of the utility model embodiment; Among the figure key position has been carried out partly analysing and observe, more clear with what the utility model was embodied.
Centrifugal the make a concerted effort schematic diagram of Fig. 3 for being installed in non-adjustable eccentric block on the motor shaft and adjustable eccentric piece in the utility model and being produced by two eccentric blocks; Help deepening with this figure to understanding of the present utility model.
Centrifugal the make a concerted effort schematic diagram of Fig. 4 for being produced by non-adjustable eccentric block and adjustable eccentric piece in the utility model; Deepen understanding of the present utility model with this figure.
Fig. 5 is produced centrifugal curve chart of making a concerted effort in the utility model by non-adjustable eccentric block and adjustable eccentric piece;
Label among the figure: 1, base, 2, motor shaft, 3, rotor, 4, motor stator, 5, non-adjustable eccentric block, 6, flat key, 7, the adjustable eccentric piece, 8, spline, 9, the eccentric block nut, 10, dial.
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail.Shown in Figure of description 1,2: a kind of frequency and amplitude adjustable electric oscillator, comprise base 1, motor shaft 2, rotor 3, motor stator 4, frequency converter, also be provided with non-adjustable eccentric block 5, flat key 6, adjustable eccentric piece 7, spline 8, eccentric block nut 9, dial 10;
Described base 1 is the flap-like structure, described motor shaft 2 is an axle shape structure, described rotor 3, motor stator 4 are and are inlaid with electric wire shape structure in the metallic channel, described non-adjustable eccentric block 5, adjustable eccentric piece 7 are fan-shaped plate-like structure, described flat key 6 is rectangular-shaped structure, described spline 8 is the cone key shape structure that a plurality of cuboids constitute, and described eccentric block nut 9 is a hex nut shape structure, the disc-shaped structure of described dial 10 for being made of the radioactivity scale;
Described frequency and amplitude adjustable electric oscillator, its base 1 is connected in the mode that setting connects as one with the motor outer wall, metallic channel on its motor shaft 2 is connected in the mode of inlaying with electric wire and constitutes rotor 3, metallic channel in its motor outer wall is connected in the mode of inlaying with electric wire and constitutes motor stator 4, its motor wall is connected in close-fitting mode by bearing with motor shaft 2, electric wire on its motor stator 4 and power supply are to be electrically connected, one end of its motor shaft 2 is connected in close-fitting mode by flat key 6 with non-adjustable eccentric block 5, this end of motor shaft 2 is connected in fastening mode by nut with fan, the spline 8 that is connected with taper is set on the other end of its motor shaft 2, the axis hole of adjustable eccentric piece 7 is provided with the spline of taper, taper spline 8 on motor shaft 2 other ends is connected in close-fitting mode with adjustable eccentric piece 7 and is connected in fastening mode by eccentric block nut 9, is provided with the dial 10 of disc-shaped structure on the spindle nose disc of its motor shaft 2 other ends in the mode of radioactivity scale.
Radioactivity scale on the described dial 10 be 0 the degree to 180 the degree or be 0 the degree to 360 the degree.
Described base 1, motor shaft 2, rotor 3, motor stator 4, motor outer wall, fan constitute motor jointly, and described this motor is a variable-frequency motor, and described this variable-frequency motor and frequency converter are to be electrically connected.
Described non-adjustable eccentric block 5 and adjustable eccentric piece 7, it can constitute certain included angle between the two, and the angle of described this angle is degree angle, 0 degree angle to 180.
The non-adjustable eccentric block of installing on the described motor shaft 25 is left end that is installed in motor shaft 2 or the right-hand member that is installed in motor shaft 2; The adjustable eccentric piece of installing on the described motor shaft 27 is right-hand member that is installed in motor shaft 2 or the left end that is installed in motor shaft 2.
In above-mentioned concrete enforcement: to dial 10 respectively with 0 spend to 180 the degree scales and 0 the degree to 360 the degree scales make; The angle that non-adjustable eccentric block 5 and adjustable eccentric piece 7 are constituted is made with 0 degree angle, 5 degree angles, 10 degree angles, 15 degree angles, 20 degree angles, 30 degree angles, 50 degree angles, 60 degree angles, an angle of 90 degrees, 120 degree angles, 150 degree angles, 180 degree angles, 200 degree angles, 220 degree angles, 240 degree angles, 260 degree angles, 280 degree angles, 300 degree angles, 320 degree angles, 340 degree angles, 360 degree angles respectively; The left end of motor shaft 2 is installed non-adjustable eccentric block 5 and the right-hand member of motor shaft 2 is installed adjustable eccentric piece 7 and made; The left end of motor shaft 2 is installed adjustable eccentric piece 7 and the right-hand member of motor shaft 2 is installed non-adjustable eccentric block 5 and made.All received the good result of expection.
The above is an instantiation of the present utility model only, is not the utility model is done any structure and even driven restriction on the pattern.The those of ordinary skill of all industry all can be by shown in the above and the Figure of description and implement the utility model.But, all according to technical scheme that the utility model disclosed, to realize the amplitude adjustment by the relative angle of adjusting eccentric block, or change the oscillator structure and the application of vibration frequency by the frequency conversion of variable-frequency motor, the equivalent variations of no matter do any modification, changing and developing all still belongs in the technical solution of the utility model scope.
After the utility model is made and finished, obtained the good result of expection through examination on probation.
Claims (5)
1, a kind of frequency and amplitude adjustable electric oscillator, comprise base (1), motor shaft (2), rotor (3), motor stator (4), frequency converter, it is characterized in that: also be provided with non-adjustable eccentric block (5), flat key (6), adjustable eccentric piece (7), spline (8), eccentric block nut (9), dial (10);
Described base (1) is the flap-like structure, described motor shaft (2) is an axle shape structure, described rotor (3), motor stator (4) are and are inlaid with electric wire shape structure in the metallic channel, described non-adjustable eccentric block (5), adjustable eccentric piece (7) are fan-shaped plate-like structure, described flat key (6) is rectangular-shaped structure, described spline (8) is the cone key shape structure that a plurality of cuboids constitute, described eccentric block nut (9) is a hex nut shape structure, the disc-shaped structure of described dial (10) for being made of the radioactivity scale;
Described frequency and amplitude adjustable electric oscillator, its base (1) is connected in the mode that setting connects as one with the motor outer wall, metallic channel on its motor shaft (2) is connected in the mode of inlaying with electric wire and constitutes rotor (3), metallic channel in its motor outer wall is connected in the mode of inlaying with electric wire and constitutes motor stator (4), its motor wall is connected in close-fitting mode by bearing with motor shaft (2), electric wire on its motor stator (4) and power supply are to be electrically connected, one end of its motor shaft (2) is connected in close-fitting mode by flat key (6) with non-adjustable eccentric block (5), this end of motor shaft (2) is connected in fastening mode by nut with fan, the spline (8) that is connected with taper is set on the other end of its motor shaft (2), the axis hole of adjustable eccentric piece (7) is provided with the spline of taper, taper spline (8) on motor shaft (2) other end is connected in close-fitting mode with adjustable eccentric piece (7) and is connected in fastening mode by eccentric block nut (9), is provided with the dial (10) of disc-shaped structure on the spindle nose disc of its motor shaft (2) other end in the mode of radioactivity scale.
2, frequency and amplitude adjustable electric oscillator according to claim 1 is characterized in that: the radioactivity scale on the described dial (10) be 0 the degree to 180 the degree or be 0 the degree to 360 the degree.
3, frequency and amplitude adjustable electric oscillator according to claim 1, it is characterized in that: described base (1), motor shaft (2), rotor (3), motor stator (4), motor outer wall, fan constitute motor jointly, described this motor is a variable-frequency motor, and described this variable-frequency motor and frequency converter are to be electrically connected.
4, according to claims 1 described frequency and amplitude adjustable electric oscillator, it is characterized in that: described non-adjustable eccentric block (5) and adjustable eccentric piece (7), it can constitute certain included angle between the two, and the angle of described this angle is degree angle, 0 degree angle to 180.
5, frequency and amplitude adjustable electric oscillator according to claim 1 is characterized in that: described motor shaft (2) is gone up the non-adjustable eccentric block of installing (5), is left end that is installed in motor shaft (2) or the right-hand member that is installed in motor shaft (2); Described motor shaft (2) is gone up the adjustable eccentric piece of installing (7), is right-hand member that is installed in motor shaft (2) or the left end that is installed in motor shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520106423 CN2833995Y (en) | 2005-08-26 | 2005-08-26 | Adjustable frequency/amplitude electric oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520106423 CN2833995Y (en) | 2005-08-26 | 2005-08-26 | Adjustable frequency/amplitude electric oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2833995Y true CN2833995Y (en) | 2006-11-01 |
Family
ID=37198310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520106423 Expired - Fee Related CN2833995Y (en) | 2005-08-26 | 2005-08-26 | Adjustable frequency/amplitude electric oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2833995Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612208A (en) * | 2017-10-24 | 2018-01-19 | 上海电动工具研究所（集团）有限公司 | Vehicle-mounted vibrator permanent-magnet brushless DC electric machine |
| CN111884416A (en) * | 2020-08-17 | 2020-11-03 | 刘叶青 | Push wheel type amplitude regulation and control vibration motor |
-
2005
- 2005-08-26 CN CN 200520106423 patent/CN2833995Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612208A (en) * | 2017-10-24 | 2018-01-19 | 上海电动工具研究所（集团）有限公司 | Vehicle-mounted vibrator permanent-magnet brushless DC electric machine |
| CN111884416A (en) * | 2020-08-17 | 2020-11-03 | 刘叶青 | Push wheel type amplitude regulation and control vibration motor |
| CN113054792A (en) * | 2020-08-17 | 2021-06-29 | 刘叶青 | Push wheel type amplitude regulation and control vibration motor |
| CN113054792B (en) * | 2020-08-17 | 2023-12-12 | 浦江县威马电机有限公司 | Push wheel type vibration motor with amplitude regulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061101 Termination date: 20090928 |