CN102262837B - Power-off self-locking teaching demonstration device - Google Patents
Power-off self-locking teaching demonstration device Download PDFInfo
- Publication number
- CN102262837B CN102262837B CN 201110204485 CN201110204485A CN102262837B CN 102262837 B CN102262837 B CN 102262837B CN 201110204485 CN201110204485 CN 201110204485 CN 201110204485 A CN201110204485 A CN 201110204485A CN 102262837 B CN102262837 B CN 102262837B
- Authority
- CN
- China
- Prior art keywords
- motor
- base
- support
- contrast experiment
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention discloses a power-off self-locking teaching demonstration device, which comprises a demonstration motor, a contrast experiment motor, a bracket, a steel wire rope and a counter weight, wherein the bracket has a shape like a Chinese character of 'ao'; the demonstration motor and the contrast experiment motor are detachably arranged at one end of the bracket; a fixed pulley is arranged at the other end of the bracket; after the demonstration motor or the contrast experiment motor is arranged on the bracket, a motor wheel is arranged on a motor shaft; one end of the steel wire rope is wound on the motor shaft; a main body part of the steel wire rope is put into a groove of the fixed pulley; and the counter weight is hung at the tail end of the steel wire rope. Through a contrast demonstration experiment, that whether the device immediately stops rotating and is self-locked after the motor is powered off can be intuitively reflected; and the device has unique conception and ingenious structure, is convenient to operate, is favorable for students to accept new knowledge, can improve the operation abilities of the students and arouse the creation enthusiasm of the students, and contributes to promotion and popularization in various schools.
Description
Technical field
The present invention relates to a kind of teaching demonstration apparatus, be specifically related to a kind ofly can reflect the power-off self-locking teaching demonstration device that whether can stop operating immediately, realize self-locking after motor outage.
Background technology
At present, in teaching process, for can allow the student faster and better accept new knowledge, usually to use some teaching demonstration devices.Teaching demonstration device can be more vivid with the abstract content of courses, show intuitively, is conducive to promote the understanding of students.In addition, each businessman in order to allow the consumer to the premium properties of its product, more practical cognition be arranged, also tends to adopt apparatus for demonstrating to demonstrate in the process of sell goods.Apparatus for demonstrating can amplify some small phenomenons, can the motion that human eye is subtle change the motion of more easily observing into.But existing apparatus for demonstrating can not satisfy the needs of people when teaching or sell goods fully.And, there is no at present the device that can demonstrating motor whether can stop operating immediately, realize self-locking after outage.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of power-off self-locking teaching demonstration device that can the ocular demonstration motor whether can stop operating immediately, realize self-locking after outage.
Technical scheme: for achieving the above object, a kind of power-off self-locking teaching demonstration device of the present invention comprises demonstrating motor, contrast experiment's motor, support, wire rope and counterweight, described support is " recessed " font, described demonstrating motor and contrast experiment's motor be dismountable support one end that is arranged on of energy all, and the support other end is equipped with fixed pulley; Mounted motor wheel on its motor shaft again after described demonstrating motor or contrast experiment's motor are rack-mount, an end of described wire rope is wrapped on motor wheel, and the main part of wire rope is put on the groove of fixed pulley, and the end of wire rope hangs with counterweight.
Described demonstrating motor comprises that stator, rotor, output shaft, base and the shell that is connected with base, described stator are arranged on base, and the stator lower surface is pasted with piezoelectric ceramics, and the lead-in wire of piezoelectric ceramics is drawn by the gap of reserving between shell and base; Described rotor is arranged on output shaft, and the rotor upper end is pasted with damping material, and the rotor lower surface is pasted with friction material layer and contacts with stator; Described output shaft top is arranged on shell end by head bearing and covers, and the output shaft lower end is positioned on base by lower bearing.This demonstrating motor has the characteristics of low-speed big, need not can obtain working speed by reducing gear, can implement directly to drive to load; Need not any auxiliary equipment and realize cutting off self-lock when motor load is worked, the phenomenon that counterweight can not occur gliding.
Described contrast motor is electromagnetic machine, comprises that stator, rotor, output shaft, base and the shell that is connected with base, described stator are arranged on base, is wound with coil on described rotor, has air gap between described stator and rotor.Electromagnetic machine comprises magnetic pole and coil, has air gap between rotor, can not directly contact.Because electromagnetic machine is electromagnetic induction principle, air gap (or gap) is arranged between rotor when motor cuts off the power supply, rotor also rotates and can not stop immediately at inertia, can't directly realize cutting off self-lock.
For the ease of demonstrating motor or the installation and removal of contrast experiment's motor, described support is provided with tapped cylindrical hole, and described demonstrating motor or contrast experiment's motor are provided with is with externally threaded right cylinder, and described cylindrical hole and right cylinder are threaded connection; Perhaps, can adopt another kind of mounting means: described demonstrating motor or contrast experiment's motor position corresponding with support are respectively equipped with mounting hole, and described demonstrating motor or contrast experiment's motor are dismountable rack-mount by the cooperation of bolt and nut.
In order to strengthen stability and steadiness, described support is arranged on base, and the lower surface of base is surface level.
Beneficial effect: power-off self-locking teaching demonstration device of the present invention, by adopting demonstrating motor and contrast experiment's motor to contrast lecture experiment, whether can stop operating immediately, realize self-locking after can reflecting intuitively the motor outage, this device design is unique, structure is ingenious, easy to operate, not only be conducive to students and accept new knowledge, can also improve their manipulative ability, excite their creation enthusiasm, be conducive to popularize use in each school.
Description of drawings
Fig. 1 is the structural representation of invention;
Fig. 2 is the vertical view that in Fig. 1, motor mounting part divides.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As depicted in figs. 1 and 2, a kind of power-off self-locking teaching demonstration device of the present invention comprises demonstrating motor 1, contrast experiment's motor, support 2, wire rope 3 and counterweight 4, support 2 is " recessed " font, demonstrating motor 1 and contrast experiment's motor be dismountable support 2 one ends that are arranged on of energy all, and support 2 other ends are equipped with fixed pulley 5; Mounted motor wheel 6 on its motor shaft again after demonstrating motor 1 or contrast experiment's motor are arranged on support 2, an end of wire rope 3 is wrapped on motor wheel 6, and the main part of wire rope 3 is put on the groove of fixed pulley 5, and the end of wire rope 3 hangs with counterweight 4.
In the present embodiment, demonstrating motor 1 comprises that stator, rotor, output shaft, base and the shell that is connected with base, stator are arranged on base, and the stator lower surface is pasted with piezoelectric ceramics, and the lead-in wire of piezoelectric ceramics is drawn by the gap of reserving between shell and base; Rotor is arranged on output shaft, and the rotor upper end is pasted with damping material, and the rotor lower surface is pasted with friction material layer and contacts with stator; The output shaft top is arranged on shell end by head bearing and covers, and the output shaft lower end is positioned on base by lower bearing.The contrast motor can have multiple, and the contrast motor in the present embodiment is electromagnetic machine, comprises that stator, rotor, output shaft, base and the shell that is connected with base, stator are arranged on base, is wound with coil on rotor, has air gap between stator and rotor.
Demonstrating motor 1 in the present invention and contrast experiment's motor, dismountable being arranged on support 2 of equal energy, be achieved in that specifically support 2 is provided with tapped cylindrical hole, demonstrating motor 1 or contrast experiment's motor are provided with is with externally threaded right cylinder, and cylindrical hole and right cylinder are threaded connection.Certainly, also can realize in the following ways: demonstrating motor 1 or the contrast experiment's motor position corresponding with support 2 is respectively equipped with mounting hole, and demonstrating motor 1 or contrast experiment's motor are arranged on support 2 by the cooperation of bolt and nut is dismountable.In addition, support 2 is arranged on base 7, and the lower surface of base 7 is surface level, can improve like this stability and the steadiness of whole device.
A kind of power-off self-locking teaching demonstration device of the present invention in use, step is as follows: at first, support 2 is placed on testing table, demonstrating motor 1 is arranged on support 2, because support 2 is provided with tapped cylindrical hole, demonstrating motor 1 is provided with is with externally threaded right cylinder, and cylindrical hole and right cylinder are threaded connection, so only just can easily demonstrating motor 1 be arranged on support 2 by rotation, operation is very easy; Then, the motor wheel 6 that is wound with wire rope 3 is installed on motor shaft, wire rope 3 main parts are put on the groove of fixed pulley 5, the end of wire rope 3 naturally droops because hanging with counterweight 4; Afterwards, the switch of closed demonstrating motor 1, the motor shaft of demonstrating motor 1 rotates, and drive motor wheel 6 rotates, thus counterweight 4 obviously descends; When cut-off switch, counterweight 4 stops descending immediately, illustrates after demonstrating motor 1 cuts off the power supply to stop operating immediately, to realize self-locking.This demonstrating motor 1 has the characteristics of low-speed big, need not can obtain working speed by reducing gear, can implement directly to drive to counterweight 4; Need not any auxiliary equipment and can realize cutting off self-lock when counterweight 4 motion, the phenomenon that counterweight 4 can not occur gliding.In experimentation, can control demonstrating motor 1 forward or reverse, counterweight 4 is corresponding to descend or rises.
At last, demonstrating motor 1 is disassembled, installation Comparison experiment motor operates according to above-mentioned steps, can obviously find: when motor cut off the power supply, counterweight 4 still can continue to descend.This explanation, after the outage of contrast experiment's motor, this contrast experiment's motor does not stop operating immediately and realizes self-locking.Because electromagnetic machine is electromagnetic induction principle, air gap (or gap) is arranged between rotor when motor cuts off the power supply, rotor also rotates and can not stop immediately at inertia, can't directly realize cutting off self-lock.
To sum up, in whole experimentation, the decline of counterweight 4, rise or stop the action all very obvious, seem directly perceived, vivid.And by above-mentioned contrast experiment, students can have more deep understanding to the phenomenon that cuts off self-lock, and can impel them to seek to exist the reason of this difference, excites their creation enthusiasm, is conducive to popularize use in each school.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. power-off self-locking teaching demonstration device, it is characterized in that: comprise demonstrating motor (1), contrast experiment's motor, support (2), wire rope (3) and counterweight (4), described support (2) is " recessed " font, described demonstrating motor (1) and contrast experiment's motor be dismountable support (2) one ends that are arranged on of energy all, and support (2) other end is equipped with fixed pulley (5); Described demonstrating motor (1) or contrast experiment's motor are arranged on support (2) and go up afterwards mounted motor wheel (6) on its motor shaft again, one end of described wire rope (3) is wrapped on motor wheel (6), the main part of wire rope (3) is put on the groove of fixed pulley (5), and the end of wire rope (3) hangs with counterweight (4);
Described support (2) is provided with tapped cylindrical hole, and described demonstrating motor (1) or contrast experiment's motor are provided with is with externally threaded right cylinder, and described cylindrical hole and right cylinder are threaded connection;
Perhaps described demonstrating motor (1) or the contrast experiment's motor position corresponding with support (2) is respectively equipped with mounting hole, and described demonstrating motor or contrast experiment's motor are arranged on support (2) by the cooperation of bolt and nut is dismountable.
2. power-off self-locking teaching demonstration device according to claim 1, it is characterized in that: described demonstrating motor (1) comprises stator, rotor, output shaft, base and the shell that is connected with base, described stator is arranged on base, the stator lower surface is pasted with piezoelectric ceramics, and the lead-in wire of piezoelectric ceramics is drawn by the gap of reserving between shell and base; Described rotor is arranged on output shaft, and the rotor upper end is pasted with damping material, and the rotor lower surface is pasted with friction material layer and contacts with stator; Described output shaft top is arranged on shell end by head bearing and covers, and the output shaft lower end is positioned on base by lower bearing.
3. power-off self-locking teaching demonstration device according to claim 1, it is characterized in that: described contrast experiment's motor is electromagnetic machine, comprise stator, rotor, output shaft, base and the shell that is connected with base, described stator is arranged on base, be wound with coil on described rotor, have air gap between described stator and rotor.
4. the described power-off self-locking teaching demonstration device of according to claim 1 to 3 any one, it is characterized in that: described support (2) is arranged on base (7), and the lower surface of base (7) is surface level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110204485 CN102262837B (en) | 2011-07-21 | 2011-07-21 | Power-off self-locking teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110204485 CN102262837B (en) | 2011-07-21 | 2011-07-21 | Power-off self-locking teaching demonstration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102262837A CN102262837A (en) | 2011-11-30 |
| CN102262837B true CN102262837B (en) | 2013-05-15 |
Family
ID=45009447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110204485 Expired - Fee Related CN102262837B (en) | 2011-07-21 | 2011-07-21 | Power-off self-locking teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102262837B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201276831Y (en) * | 2008-09-28 | 2009-07-22 | 刘剑波 | Scaffold with anti-falling device |
| CN201742324U (en) * | 2010-06-08 | 2011-02-09 | 江苏春生超声电机有限公司 | Rotary travelling wave ultrasonic motor |
| CN201896002U (en) * | 2010-11-12 | 2011-07-13 | 卫华集团有限公司 | Intelligent load simulation model |
| CN202183198U (en) * | 2011-07-21 | 2012-04-04 | 江苏春生超声电机有限公司 | Power disconnection self-locking teaching demonstration device |
-
2011
- 2011-07-21 CN CN 201110204485 patent/CN102262837B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201276831Y (en) * | 2008-09-28 | 2009-07-22 | 刘剑波 | Scaffold with anti-falling device |
| CN201742324U (en) * | 2010-06-08 | 2011-02-09 | 江苏春生超声电机有限公司 | Rotary travelling wave ultrasonic motor |
| CN201896002U (en) * | 2010-11-12 | 2011-07-13 | 卫华集团有限公司 | Intelligent load simulation model |
| CN202183198U (en) * | 2011-07-21 | 2012-04-04 | 江苏春生超声电机有限公司 | Power disconnection self-locking teaching demonstration device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102262837A (en) | 2011-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102262837B (en) | Power-off self-locking teaching demonstration device | |
| CN202183198U (en) | Power disconnection self-locking teaching demonstration device | |
| CN203166806U (en) | Superconducting magnetic speed power mechanism | |
| CN202503460U (en) | Magnetic levitation device with function of automatically lifting suspended matter | |
| CN203112411U (en) | Labor-saving device of screw jack | |
| CN206002277U (en) | A kind of portable impact exerciser | |
| CN203284011U (en) | Coreless rare earth permanent magnetism gearless traction machine | |
| CN202258786U (en) | Winding machine for production of electromagnetic brake | |
| CN202472344U (en) | Electrode plate balancer of liquid resistor cabinet | |
| CN202848914U (en) | Electric hoist | |
| CN202729403U (en) | Lead insulation paper reeling machine | |
| CN202106589U (en) | Motor variable-frequency control-adopted corrugated paper packaging machine | |
| CN202406078U (en) | Hoisting motor control system based on frequency control | |
| CN204214758U (en) | A kind of abrasion resistance proving installation for OIL IN LUBRICATING OIL PRODUCTION | |
| CN202400764U (en) | Direct-current hoist with load limiter and load self-controller | |
| CN204290598U (en) | Multipurpose magnetic force workmanship device | |
| CN215952526U (en) | Theodolite capable of being quickly leveled | |
| CN201802365U (en) | Power assembly of oil pumping unit capable of positioning reversing | |
| CN202070157U (en) | Magnetomotive pump jet | |
| CN205672538U (en) | A kind of tank model gun barrel elevating mechanism | |
| CN202309576U (en) | Magnetic suspension device | |
| CN201910754U (en) | Double-stroke permanent magnet engine | |
| CN202068247U (en) | Low-voltage permanent magnet AC (alternating current) frequency modulation motor for electric forklift | |
| CN201369694Y (en) | Double-differenced multi-excitation magnetic motor | |
| CN208408796U (en) | A kind of permanent magnet wire-electrode cutting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 214512, No. 21, long North Road, oblique Town, Jingjiang, Jiangsu, Taizhou Patentee after: Jiangsu TransUSM Co., Ltd. Address before: Ganyu County Economic Development Zone 222100 Jiangsu city of Lianyungang province Southern China road two Jiangsu transusm Co. Ltd. Patentee before: Jiangsu TransUSM Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20170721 |