CN218472925U - Linear electric motor speed regulating mechanism - Google Patents
Linear electric motor speed regulating mechanism Download PDFInfo
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- CN218472925U CN218472925U CN202222813528.3U CN202222813528U CN218472925U CN 218472925 U CN218472925 U CN 218472925U CN 202222813528 U CN202222813528 U CN 202222813528U CN 218472925 U CN218472925 U CN 218472925U
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Abstract
The utility model discloses a linear electric motor speed adjusting mechanism, comprising a base plate, the intermediate position fixedly connected with safety cover on bottom plate top, one side fixedly connected with transformer of safety cover outer wall, the inside of safety cover is provided with the linear electric motor body, the bottom of linear electric motor body and the top fixed connection of bottom plate, the output shaft fixedly connected with pivot of linear electric motor body, one side of safety cover inner wall is run through to the one end of pivot, the both ends at safety cover top are provided with the fixed plate, the lateral wall fixedly connected with buffering sponge of fixed plate, the inside fixedly connected with buffering gasbag of buffering sponge. When the linear motor speed regulating mechanism is used, the fixing plate, the buffer sponge, the protective cover and the buffer air bag are arranged, and the parts are mutually matched, so that the protection of the linear motor body in the linear motor for the engineering is facilitated, and the safety of the linear motor for the engineering is improved.
Description
Technical Field
The utility model relates to a linear electric motor technical field specifically is a linear electric motor speed adjusting mechanism.
Background
A linear motor is a transmission device that directly converts electric energy into mechanical energy for linear motion without any intermediate conversion mechanism. The rotary motor can be seen as being formed by cutting a rotary motor in the radial direction and expanding the rotary motor into a plane.
Linear motors are also known as linear motors, push rod motors. The most common types of linear motors are flat and U-slot, and tubular. The coil is typically composed of three phases, and brushless commutation is achieved by hall elements.
The speed regulating mechanism of the linear motor changes the rotating speed of the motor by changing the steps, voltage, current, frequency and other methods of the motor so as to enable the motor to achieve higher service performance, and the existing speed regulating methods of the speed regulating mechanism of the linear motor are generally as follows:
firstly, the following steps: voltage and speed regulation, namely, the speed regulation is realized by changing the voltage of a stator of the motor through a voltage regulating transformer, if the voltage regulation of the transformer is polar, the speed regulation of the motor is also polar, if the voltage regulation of the transformer is stepless, the speed regulation of the motor is also stepless, the power factor of the voltage and speed regulation is lower, harmonic interference exists, and no braking torque exists during normal operation;
II, secondly, the method comprises the following steps: pole-changing speed regulation, namely changing the magnetic pole number of pairs of the motor by changing the wiring mode of the stator winding of the motor, thereby changing the synchronous rotating speed step by step and realizing the step speed regulation of the rotating speed of the motor, wherein the speed regulating motor can not realize stepless smooth speed regulation;
thirdly, the method comprises the following steps: the flux-weakening speed regulation is that in the speed regulation of the frequency converter to the asynchronous motor, when the output frequency of the frequency converter is higher than the rated frequency of the motor, the magnetic flux of the iron core of the motor begins to weaken, so that the rotating speed of the motor is higher than the rated rotating speed. In addition, except for using a frequency converter to change the magnetic flux of a motor core to realize weak magnetic speed regulation, some motors carry out weak magnetic speed regulation in a mode of driving a stator to translate along the axial direction so as to enable the stator to be staggered with a rotor.
The conventional linear motor is usually exposed outside during working, so that the safety is low, dust is easy to enter the interior of the linear motor, and the service life of the linear motor is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a linear electric motor speed adjusting mechanism to solve the common linear electric motor speed adjusting mechanism in the existing market that proposes in the above-mentioned background art, current linear electric motor exposes outside at the during operation usually when a linear electric motor speed adjusting mechanism uses, and the security is lower, and makes the inside of machine get into the dust easily, has the problem that influences linear electric motor's life-span.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a linear electric motor speed adjusting mechanism, includes the bottom plate, the intermediate position fixedly connected with safety cover on bottom plate top, one side fixedly connected with transformer of safety cover outer wall, the inside of safety cover is provided with the linear electric motor body, the bottom of linear electric motor body and the top fixed connection of bottom plate, the output shaft fixedly connected with pivot of linear electric motor body, one side of safety cover inner wall is run through to the one end of pivot, the both ends at safety cover top are provided with the fixed plate, the lateral wall fixedly connected with buffering sponge of fixed plate, the inside fixedly connected with buffering gasbag of buffering sponge.
Through adopting above-mentioned technical scheme, can play fixed effect to buffering gasbag through buffering sponge.
Preferably, the buffer sponge is L-shaped.
Through adopting above-mentioned technical scheme, the corner of safety cover can laminate better improves the performance of protection.
Preferably, the one end fixedly connected with mount of the inside roof of safety cover, the bottom fixedly connected with heat dissipation machine of mount, the convulsions end fixedly connected with exhaust column of heat dissipation machine, the air-out end fixedly connected with of heat dissipation machine goes out the tuber pipe.
Through adopting above-mentioned technical scheme, can dispel the heat to the linear electric motor body through the radiator.
Preferably, the outer side wall of the protection cover is close to two sets of the two ends of the fixing plate are both provided with sliding grooves, the inner sliding connection of the sliding grooves is provided with limiting sliding rods, the outer side wall of the fixing plate is provided with inserting grooves for inserting the limiting sliding rods, and springs are arranged inside the sliding grooves.
Through adopting above-mentioned technical scheme, can prevent through the spring that spacing slide bar breaks away from the joint with the fixed plate.
Preferably, the limiting slide rod is F-shaped.
Through adopting above-mentioned technical scheme, when can preventing spacing slide bar and fixed plate joint, spacing slide bar can not leave the inside of fixed plate.
Preferably, one end of the spring is fixedly connected with the outer side wall of the limiting sliding rod, and the other end of the spring is fixedly connected with the inner side wall of the sliding groove.
Through adopting above-mentioned technical scheme, can play fixed effect to the spring.
Preferably, four groups of shunt tubes are fixedly connected to the inner side wall of the air outlet pipe.
Through adopting above-mentioned technical scheme, can blow the surface to the linear electric motor body with wind uniformly.
Compared with the prior art, the beneficial effects of the utility model are that:
firstly, the fixed plate, the buffer sponge, the protective cover and the buffer air bag are arranged, and the components are mutually matched, so that the protection of the linear motor body in the linear motor for engineering is facilitated, and the safety of the linear motor for engineering is improved; secondly, the heat radiator, the fixing frame, the exhaust pipe and the air outlet pipe are arranged, and the heat radiation of the linear motor heat radiator and the air outlet pipe for the engineering to the linear motor body is realized through the mutual matching of the components, so that the temperature of the linear motor for the engineering during working is reduced, and the service life of the device is prolonged; finally, through being provided with spacing slide bar, safety cover, spring and spout, through the mutual cooperation between the part, realized the joint between spacing slide bar and the fixed plate in the linear electric motor that this kind of engineering was used, improved the suitability of the linear electric motor that this kind of engineering was used.
Drawings
FIG. 1 is a schematic view of the whole front view of the present invention;
fig. 2 is a schematic perspective view of the protective cover of the present invention;
FIG. 3 is a schematic view of the internal structure of the buffering sponge of the present invention;
FIG. 4 is a schematic view of the overall structure of the heat radiator of the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a base plate; 2. a linear motor; 3. a rotating shaft; 4. a fixing plate; 5. a buffer sponge; 6. a limiting slide bar; 7. a heat sink; 8. a protective cover; 9. a transformer; 10. a spring; 11. a chute; 12. a buffer air bag; 13. a fixed mount; 14. an exhaust pipe; 15. and an air outlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a linear electric motor speed adjusting mechanism, please refer to fig. 1, fig. 2, and fig. 3, including bottom plate 1, the intermediate position fixedly connected with safety cover 8 on bottom plate 1 top, can play fixed effect to safety cover 8, one side fixedly connected with transformer 9 of safety cover 8 outer wall, can control voltage through transformer 9, thereby realize being provided with linear electric motor body 2 to the inside of the speed governing safety cover 8 of linear electric motor body 2, the bottom of linear electric motor body 2 and the top fixed connection of bottom plate 1, linear electric motor body 2's output shaft fixedly connected with pivot 3, one end of pivot 3 runs through one side of safety cover 8 inner wall, the both ends at safety cover 8 top are provided with fixed plate 4, the lateral wall fixedly connected with buffering sponge 5 of fixed plate 4, buffering sponge 5 is the L type, can protect the both ends of safety cover 8, the inside fixedly connected with gasbag 12 of buffering sponge 5, when protecting linear electric motor body 2, when linear electric motor body receives the destructive power, can directly play fine rigidity protection to linear electric motor body through buffering sponge 8, and can receive the impact power when can, the safety protection body can block the residual power of linear electric motor body in certain protection, the safety of linear electric motor body has improved in the protection.
Please refer to fig. 1 and 4, one end fixedly connected with mount 13 of the inside roof of safety cover 8, the bottom fixedly connected with heat radiator 7 of mount 13, the convulsions end fixedly connected with exhaust column 14 of heat radiator 7, the air-out end fixedly connected with play tuber pipe 15 of heat radiator 7, four shunt tubes of inside wall fixedly connected with of play tuber pipe 15, when dispelling the heat to linear electric motor body 2, external power supply starts heat radiator 7, end through the convulsions of heat radiator 7 blows in the inside of safety cover 8 with external wind through heat radiator 7 and play tuber pipe 15, and directly blow wind to the surface of linear electric motor body 2 through the shunt tubes, and discharge the inside wind of safety cover 8 through the ventilation hole of safety cover 8 surface, the thermal diffusivity of linear electric motor body 2 at the during operation has been improved, the life of linear electric motor body 2 has been prolonged.
Please refer to fig. 1 and 5, the outer side wall of the protection cover 8 is provided with two sliding grooves 11 near two ends of the two sets of fixing plates 4, the inner sliding of the sliding grooves 11 is connected with a limit slide bar 6, the limit slide bar 6 is F-shaped, the outer side wall of the fixing plate 4 is provided with an inserting groove for inserting the limit slide bar 6, a spring 10 is arranged inside the sliding groove 11, one end of the spring 10 is fixedly connected with the outer side wall of the limit slide bar 6, the other end of the spring 10 is fixedly connected with the inner side wall of the sliding groove 11, the limit slide bar 6 is pushed to the two ends of the fixing plate 4 manually, so that the limit slide bar 6 slides inside the sliding groove 11, and the spring 10 is pushed by the limit slide bar 6 to deform until one end of the limit slide bar 6 completely leaves the clamping connection with the fixing plate 4, thereby completing the replacement of the fixing plate 4, which is convenient for being unable to replace after the buffer air bag 12 and the buffer sponge 5 are seriously damaged, thereby affecting the protection of the cable motor body 2, and further improving the protection of the cable motor body 2.
The working principle is as follows: firstly, when protecting the linear motor body 2, when the linear motor body 2 receives destructive power, the linear motor body 2 can be directly protected by the protective cover 8 with good rigidity, and when receiving impact force, the impact force can be buffered to a certain extent by the buffer air bag 12 and the buffer sponge 5, so that the residual force can be blocked by the protective cover 8, the linear motor body 2 can be well protected, and the safety of the linear motor body 2 in work is improved.
Secondly, when dismantling fixed plate 4, it is manual to the both ends promotion limit slide 6 of fixed plate 4, make limit slide 6 slide in the inside of spout 11, make spring 10 receive limit slide 6's promotion simultaneously, take place deformation, leave the joint with fixed plate 4 completely until limit slide 6's one end, can accomplish the change to fixed plate 4, be convenient for can't change after buffering gasbag 12 and buffering sponge 5 are impaired seriously, influence the protection to linear motor body 2, the protection to linear motor body 2 has further been improved.
Finally, when the linear electric motor body 2 dispels the heat, external power supply starts heat radiator 7, the inside of safety cover 8 is insufflated with external wind through heat radiator 7 and play tuber pipe 15 to convulsions end through heat radiator 7, and directly blow to linear electric motor body 2's surface, and discharge the inside wind of safety cover 8 through the ventilation hole of safety cover 8 surface, improved the thermal diffusivity of linear electric motor body 2 at the during operation, linear electric motor body 2's life has been prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a linear electric motor speed adjusting mechanism, includes bottom plate (1), its characterized in that: the utility model discloses a safety protection device for motor vehicle, including bottom plate (1), one side fixedly connected with transformer (9) of safety cover (8) outer wall, the inside of safety cover (8) is provided with linear electric motor body (2), the bottom of linear electric motor body (2) and the top fixed connection of bottom plate (1), the output shaft fixedly connected with pivot (3) of linear electric motor body (2), one side of safety cover (8) inner wall is run through to the one end of pivot (3), the both ends at safety cover (8) top are provided with fixed plate (4), the lateral wall fixedly connected with buffering sponge (5) of fixed plate (4), the inside fixedly connected with buffering gasbag (12) of buffering sponge (5).
2. A linear motor speed regulating mechanism according to claim 1, wherein: the buffer sponge (5) is L-shaped.
3. A linear motor speed regulating mechanism according to claim 1, wherein: the utility model discloses a safety protection cover, including safety cover (8), the one end fixedly connected with mount (13) of the inside roof of safety cover (8), the bottom fixedly connected with heat radiator (7) of mount (13), the convulsions end fixedly connected with exhaust column (14) of heat radiator (7), the air-out end fixedly connected with of heat radiator (7) goes out tuber pipe (15).
4. A linear motor speed regulating mechanism according to claim 1, wherein: the outer side wall of the protective cover (8) is close to two sets of the two ends of the fixed plate (4) and is provided with sliding grooves (11), the inner sliding of the sliding grooves (11) is connected with a limiting sliding rod (6), the outer side wall of the fixed plate (4) is provided with inserting grooves for the inserting of the limiting sliding rod (6), and springs (10) are arranged inside the sliding grooves (11).
5. A linear motor speed regulating mechanism according to claim 4, wherein: the limiting slide rod (6) is F-shaped.
6. A linear motor speed regulating mechanism according to claim 4, wherein: one end of the spring (10) is fixedly connected with the outer side wall of the limiting sliding rod (6), and the other end of the spring (10) is fixedly connected with the inner side wall of the sliding groove (11).
7. A linear motor speed regulating mechanism according to claim 3, wherein: the inner side wall of the air outlet pipe (15) is fixedly connected with four groups of shunt pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222813528.3U CN218472925U (en) | 2022-10-25 | 2022-10-25 | Linear electric motor speed regulating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222813528.3U CN218472925U (en) | 2022-10-25 | 2022-10-25 | Linear electric motor speed regulating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218472925U true CN218472925U (en) | 2023-02-10 |
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ID=85148127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222813528.3U Active CN218472925U (en) | 2022-10-25 | 2022-10-25 | Linear electric motor speed regulating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218472925U (en) |
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2022
- 2022-10-25 CN CN202222813528.3U patent/CN218472925U/en active Active
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