CN202111581U

CN202111581U - Server driven by multiple motors

Info

Publication number: CN202111581U
Application number: CN2011202209140U
Authority: CN
Inventors: 林鸿文
Original assignee: DONGGUAN GRAND WING SERVO TECH Co Ltd
Current assignee: DONGGUAN GRAND WING SERVO TECH Co Ltd
Priority date: 2011-06-27
Filing date: 2011-06-27
Publication date: 2012-01-11
Anticipated expiration: 2021-06-27

Abstract

The utility model relates to a server and discloses a server driven by multiple motors. The server comprises at least two motors and a speed-variable gear set, a motor shaft is connected onto the top surface of each motor, a motor gear is connected onto a shaft of each motor, and each motor gear is connected with a speed-variable gear at the same stage in the speed-variable gear set. The server with the gears is higher in output torsion, loading current of motor electrodes and an electric brush is low, heating capacity and abrasion fault rate are lower, the service life is longer and safety in use is higher.

Description

The Thomas reaches the servo of driving

Technical field

The utility model relates to a kind of servo, relates in particular to that a kind of torsion is big, caloric value is little, failure rate is low, long service life, Thomas safe in utilization reach the servo of driving.

Background technology

Motor is the equipment that converts electric energy to mechanical energy, is called motor again.Motor use and control very convenient, can select for use as required have self-starting, the motor of function such as acceleration, braking, counter-rotating.

Servo is the control assembly of the direction of motion, is mainly used in model fields such as aircraft, car, ship, along with the continuous development of science and technology, is applied even more extensively in industrial or agricultural, civilian, national defence field.The torque magnitude of servo output is to weigh one of good and bad key parameter of servo, and the torque magnitude of servo output is mainly by the size decision of the mechanical energy of motor output.

Existing servo mainly is made up of shell, wiring board, motor, gear train and potentiometer.Wherein, motor is transferred to gear train with original power after receiving signal; Gear train is regulated the swing arm that is transferred to external model after the torque magnitude, and then the go to action through the swing arm implementation model; Potentiometer feeds back to wiring board with the swinging signal of model swing arm then; Wiring board is accepted the external signal CD-ROM drive motor on the one hand, is used on the other hand accept the rotating speed of feedback signal control motor and turn to.Yet existing servo structurally only is provided with a motor, and after single-motor conversion electric energy was mechanical energy, the torsion of servo output was less, causes the motor stall if the while motor breaks down, even can cause some safety problems.And the electric energy that single-motor bears is more, and caloric value is big, and failure rate is high, causes servo short useful life.

The utility model content

The goal of the invention of the utility model is to provide that a kind of torsion is bigger, caloric value is little, failure rate is low, and safer Thomas reaches the servo of driving.

In order to realize the foregoing invention purpose, the technical scheme of the utility model is:

A kind of servo comprises the change-speed gearing group, it is characterized in that: said servo also comprises at least two motors; Said each motor end face is connected with motor drive shaft respectively; Said each motor drive shaft is connected with motor gear respectively; Said each motor gear and the interior change-speed gearing interlock mutually of said change-speed gearing group with one-level.

Said servo also comprises wiring board, potentiometer, and this potentiometer is electrically connected at said wiring board one side; Said each motor electrically connects the wiring board opposite side; Said potentiometer end face is connected with potentiometer shaft; Said potentiometer shaft is connected with the interior change-speed gearing of change-speed gearing group.

Said servo also comprises shell, middle shell, lower casing; Said upward shell, middle shell, lower casing fasten from top to bottom successively; Said change-speed gearing group is contained in the said shell of going up and fastens in the space that forms with China and foreign countries' shell facies; Shell and lower casing were interlocked in the space of formation during said motor, potentiometer, wiring board were contained in;

The utility model adopts a plurality of low-power motor structures to replace existing single large capacity motor structure, contrasts existing single motor server, under the situation that consumes identical electric energy, increases the output of mechanical energy, realizes increasing the beneficial effect of torsion.And under the situation of the identical torsion of output, the electric current that the structure of a plurality of low-power motors is shared each motor electrode and brush reduces, thereby can share the conversion of electric energy; Reduce gross calorific power, reduce failure rate; Increase useful life, make the utility model can be applied to big-and-middle-sized above model and industrial circle, stall like a cork even part motor wherein breaks down; Though torsion decreases; But remaining motor also can provide power resources constantly, for model and commercial production provide corresponding torsion, guarantees the safety and industrial stable the carrying out of model.

Therefore, use the technical scheme of the utility model, torsion is bigger, caloric value is littler, failure rate is lower, longer service life, use are safer.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute the improper qualification to the utility model, in the accompanying drawings:

Fig. 1 is the stereochemical structure exploded view of the utility model embodiment 1;

Fig. 2 is the stereochemical structure exploded view of the utility model embodiment 2.

Among Fig. 1:

1, goes up shell 2, middle shell

3, lower casing 4, motor

41, motor drive shaft 42, motor gear

5, wiring board 6, potentiometer

61, potentiometer shaft 7, change-speed gearing group

Among Fig. 2:

210, change-speed gearing group 220, middle shell

230, motor 240, lower casing

Embodiment

To combine accompanying drawing and specific embodiment to specify the utility model below, be used for explaining the utility model in the illustrative examples and the explanation of this utility model, but not as the qualification to the utility model.

Embodiment 1:

As shown in Figure 1, present embodiment discloses a kind of servo of double motor driving, comprises shell 1, middle shell 2, lower casing 3, motor 4, wiring board 5, potentiometer 6, change-speed gearing group 7.Last shell 1, middle shell 2, lower casing 3 fasten and are one; Fasten the spaces that the back forms mutually at last shell 1 and middle shell 2 and contain change-speed gearing group 7, change-speed gearing group 7 comprises primary pinion 71, secondary gear 72, tertiary gear 73, level Four gear 74, first gear shaft 75, second gear shaft 76.Gear (71,72,73,74) is formed by coaxial canine tooth and little tooth, and wherein, the little tooth of gear (71,72,73) is consolidated in the canine tooth top, and the little tooth of level Four gear 74 is consolidated in the canine tooth below.These gears (71,72,73,74) have following relative position relation and occluding relation: second gear shaft 76 is arranged in motor 4 one sides, and secondary gear 72 is set up on second gear shaft 76; Tertiary gear 73 is arranged in potentiometer 6 one sides; Primary pinion 71 and level Four gear 74 are set up on first gear shaft 75 that is arranged between the both sides, and level Four gear 74 is positioned at primary pinion 71 tops.Wherein, the little tooth 711 of primary pinion 71 is positioned at same horizontal plane, the two mutual interlock with the canine tooth 722 of secondary gear 72; The little tooth 721 of secondary gear 72 is positioned at same horizontal plane, the two mutual interlock with the canine tooth 742 of level Four gear 74; The little tooth 741 of level Four gear 74 is positioned at same horizontal plane, the two mutual interlock with the canine tooth 732 of tertiary gear 73.

Contain wiring board 5, potentiometer 6 and two motors 4 in middle shell 2 and the space that lower casing 3 fastens back formation; Potentiometer 6 end faces are connected with potentiometer shaft 61; The end face of two motors 4 respectively is connected with corresponding motor drive shaft 41; Motor drive shaft 41 is connected with the 4 mutual dependence of 42, two motors of corresponding motor gear and electric connection and wiring board 5 one sides, and potentiometer 6 is electrically connected at wiring board 5 opposite sides.

The utility model embodiment is in assembling, and two motor 4 corresponding motor drive shafts 41 are upward through corresponding motor axis holes 23 in the middle shell 2, and motor drive shaft 41 and the motor gear 42 that is installed on it reach the effect of synchronous rotation through the design of known configurations.Two 4 corresponding 42 whiles and primary pinion 71 interlocks of motor gears of motor, and the three is positioned at same horizontal plane.The potentiometer axis hole 24 of shell 2 was connected with tertiary gear 73 bottom surfaces of change-speed gearing group 7 during the potentiometer shaft 61 of potentiometer 6 was upward through, and the little tooth 731 of this tertiary gear 73 is upward through the tertiary gear hole 11 of shell 1.Primary pinion 71 is set up in the approximate mid-section of vertical first gear shaft 75 of arranging, in the gear axis hole 21 of shell 2, the top was upward through primary pinion 71 during the bottom of first gear shaft 75 was flush-mounted in, and level Four gear 74 is set up in this first gear shaft, 75 tops.Secondary gear 72 is set up in vertical second gear shaft, 76 tops of arranging, the bottom of second gear shaft is flush-mounted in the gear axis hole 22 of middle shell 2.

The course of work of the utility model embodiment is roughly following: model control device (indicating among the figure) transmits actuating signals through holding wire (indicating among the figure) to wiring board 5; Wiring board 5 is accepted starter 4 spinning movements behind this signal, and then drives the 7 synchronous spinning movements of change-speed gearing group.At this moment; The tertiary gear 73 of change-speed gearing group 7 drives fork (not indicating among the figure) synchronization action of model on the one hand; Tertiary gear 73 rotates through the potentiometer shaft 61 that known configurations drives potentiometer 6 synchronously on the other hand; And then this potentiometer 6 feeds back to wiring board 5 with actuating signal, thereby through wiring board 5 controlling models.

As stated, the utility model embodiment adopts the structure of the motor of two smaller powers, and the server of the existing single-motor of contrast is under the situation that consumes same electric energy, bigger than the torsion of existing single motor servo output.And under the situation of the identical torsion of output, the double motor structure can be shared the conversion of electric energy, reduces gross calorific power, and then reduces failure rate.The servo of existing single motor configuration; When in use, cause the motor stall, cause easily causing the problem that model damages or commercial production is stagnated because of servo torsion output disappearance if motor breaks down; And present embodiment is with regard to good this problem that solved; Even wherein arbitrary motor breaks down, remaining motor also can provide certain torsion output, guarantees that the use and the commercial production of model steadily stops.

Embodiment 2:

As shown in Figure 2, a kind of servo of four motor driven is disclosed, comprise change-speed gearing group 210, middle shell 220, four motors 230, other each parts and embodiment 1 are similar.Wherein, each motor 230 end face is connected with corresponding motor drive shaft 231, is connected with corresponding motor gear 232 on each motor drive shaft 231.Change-speed gearing group 210 comprises secondary gear 215 and two duplicate primary pinions 212; Wherein the little tooth 213 of two primary pinions 212 is positioned at same horizontal plane with the canine tooth 215 of secondary gear 215; The two mutual interlock, other gear annexations and embodiment 1 in the change-speed gearing group 210 are similar.Middle shell 220 is provided with four and motor drive shaft 231 corresponding motor axis holes 221, other positions and embodiment 1 similar.

In assembling; Four motors 231 are housed in lower casing 240 and fasten in the space that forms with middle shell 220; The corresponding motor axis hole 221 that is provided with on the shell 240 during each motor drive shaft 231 passes; The canine tooth 211 of the primary pinion 212 in the motor gear 232 on each motor drive shaft 231 and the change-speed gearing group 210 is positioned at same horizontal plane, the two mutual interlock, wherein two motor gears 232 and a primary pinion 212 interlocks; Two motor gears 232 and another primary pinion 212 interlocks in addition, the miscellaneous part assembling is similar with embodiment 1.

As stated, present embodiment 2 has been used four motor configurations, and under the situation that consumes identical electric energy, the torsion of output is bigger than existing servo.Under the situation of the identical torsion of output, more can share electric energy, thereby reach the minimizing caloric value, reduce the purpose of failure rate.And if wherein arbitrary motor produces fault, the mechanical energy that loses thus is littler to the influence of present embodiment 2, also just more stablizes safer.

More than technical scheme that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper principle and the execution mode of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.

Claims

1. a servo comprises the change-speed gearing group, it is characterized in that:

Said servo also comprises at least two motors;

Said each motor end face is connected with motor drive shaft respectively;

Said each motor drive shaft is connected with motor gear respectively;

Said each motor gear and the interior change-speed gearing interlock mutually of said change-speed gearing group with one-level.

2. a kind of servo according to claim 1 is characterized in that:

Said servo also comprises wiring board, potentiometer, and this potentiometer is electrically connected at said wiring board one side;

Said each motor electrically connects the wiring board opposite side;

Said potentiometer end face is connected with potentiometer shaft;

Said potentiometer shaft is connected with the interior change-speed gearing of change-speed gearing group.

3. a kind of server according to claim 2 is characterized in that:

Said servo also comprises shell, middle shell, lower casing;

Said upward shell, middle shell, lower casing fasten from top to bottom successively;

Said change-speed gearing group is contained in the said shell of going up and fastens in the space that forms with China and foreign countries' shell facies;

Shell and lower casing were interlocked in the space of formation during said motor, potentiometer, wiring board were contained in.