CN1297763C - Motor-gear integrated power driver - Google Patents

Abstract

The present invention relates to a motor-gear integrated transmission device which is composed of a power part and a speed change part, wherein the speed change part comprises a sun wheel [10], a planet gear [5], an inner gear ring [4], a planet carrier [6] and an output shaft [13]; the power part comprises a power supply leading wire [1], a pole piece [2], a wire connector electrode [8], a wire connector leading shaft [9], a coil [11] and a rotor [12]. The coil [11] is fixed in the inner gear ring [4], the front end of the rotor [12] is connected with the output shaft [13] by a bolt, the back end of the rotor [12] is supported on the wire connector leading shaft [9] by a bearing, the front end of the wire connector leading shaft [9] is fixed on the sun wheel [10] by a screw, and the back end of the wire connector leading shaft [9] is supported on a shell [7] by a bearing. The power supply of the coil [11] is led in through the power supply leading wire [1], the pole piece [2], the wire connector electrode [8] and the wire connector leading shaft [9]. The device reduces constitute elements, obviously increases transmission efficiency and decreases the total weight of transmission systems.

Description

Motor gear-body actuating unit

Technical field

The present invention relates to a kind of drive transmission device, more particularly, it relates to a kind of by motor-driven planetary speed variator.Be suitable for as general actuating unit, also can come to be used in automated machine, common apparatus of transport, military equipment and to press for the occasion that reduces the actuating unit space as the tailored version actuating unit in conjunction with the industrial machine of some quasi-representatives.

Background technique

Actuating unit is responsible for generating the power required with the conversion output device, is the necessary component units of all movable machineries, as all kinds of lathes, instrument, vehicle ... or the like.Divide from function, actuating unit comprises power section and variable part two-part.Wherein, the effect of power section is to generate motion and power; The role of variable part then be with motion and power transmit with conversion after, drive the design objective that actuator finishes expection again.

Traditional actuating unit generally adopts the split-type design method, that is: 1. power section and variable part are separately independently on function; 2. correspondingly, structurally, also with the two design mix from two devices.For example,, as the variable part, and between the two, connect as power section with motor with gear reduction unit by coupling.

Existing transmission gear shift part has a variety of forms, as divided gear reducer, worm reducer, plane table thermoconductivity meter, cycloidal-pin wheel retarder and five kinds of forms of harmonic wave size retarder by transmission and structural feature.Wherein plane table thermoconductivity meter is to be formed by the spur gear engagement, in " design of involute gear Gear Planet Transmission and manufacturing " book of publishing according to China Machine Press 2,002 4～5 pages described, planet size retarder is compared with common size retarder has that volume is little, in light weight, compact structure, transmitted power is big, bearing capacity is high, velocity ratio is big, transmission efficiency height, motion steadily, the stronger characteristics of ability of shock resistance and vibration, thereby obtained extensive use.But traditional planetary reducer medium power part and variable part remain the device that separates between the two, and this has not only increased the volume and the weight of whole transmission device, and has reduced whole transmission efficiency.

The overall volume and the weight that reduce device have become pressing for of raising efficiency of energy utilization, especially in some fields strict to volume and weight, and taked relative measures, as having set forth the development trend of tank power in " system of promoting comprehensively-tank power development trend " literary composition in " vehicular engine " fourth phase calendar year 2001: development is promoted comprehensively system to dwindle tank overall sizes, to alleviate the tank quality in the tank design, improve the power output performance, and proposed each parts and make the as a whole necessity of considering.

According to the information of announcing on the http://www.hsimotors.com/rotory-stepping-motors/planetary-gear-train.htm website, Haydon Switch ﹠amp; Instrument company has developed a kind of transmission device product that retarder and motor are combined, and it is compared with traditional retarder, the compactness that structure becomes, and efficient further is improved; But essentially, its motor and retarder remain independently two parts, and it is that retarder is reduced to be put in the motor at all.

Summary of the invention

The technical problem to be solved in the present invention is, overcomes existing transmission device medium power part and the variable part is separated, structure problems such as compactness, transmission efficiency be low inadequately.At existing design with based on the theory of global design, provide a kind of motor gear integrated dynamic transmission device.It has higher transmission efficiency than existing plane table thermoconductivity meter or common gear reducer, and structure space is compact more, and it is that motor is fused in the size of planetary reducer at all, makes that the two one-tenth is as a whole.

Technological scheme of the present invention: this transmission device is made up of power section and variable part.Described variable part comprises: sun gear, planetary pinion, ring gear, planet carrier and output shaft.Sun gear and planet wheel engagement, on shell, planet carrier is connected by bolt with output shaft ring gear by screw.Described power section comprises: power supply lead wire, pole shoe, jointer electrode, jointer are drawn axle, coil and rotor.Coil stationary is in ring gear, and the front end of rotor is connected with output shaft by screw, and draw on the axle at jointer by bearings the rear end, and the center line that jointer is drawn axle, rotor, planet carrier and output shaft on an axis; Described jointer draw a front end by bolt on sun gear, the rear end by bearings on shell, jointer is hollow in the middle of drawing axle, the hollow parts that the power line of coil is drawn axle by jointer is connected with the jointer electrode that jointer is drawn shaft tail end, and the jointer electrode is installed in jointer and draws that axle is gone up and insulate with its maintenance; Described jointer electrode keeps in touch constantly with pole shoe in the process of rotation, thereby external power supply is introduced the jointer electrode, and then introduces coil; Described pole shoe be installed in that connection jaws covers and with its maintenance insulation; The wiring flap is by being bolted on the shell; Described power supply lead wire is connected with pole shoe, and power lead-ining line circle the most at last.

The present invention has such beneficial effect, be to have saved elements such as shaft joint, bearing between power section and the variable part, it is good to connect coupling, has made full use of the space of variable part, the overall weight of transmission system is greatly reduced, and improved the whole efficiency of system effectively; Variable part provided by the present invention utilizes existing technology to realize, the manufacturing of entire system, assembling realizability have reduced the volume and weight of transmission system by force, significantly, and by reduce element such as shaft joint, bearing waits and improves system's transmission efficiency, improve precision, increase the transmission system reliability.

Description of drawings

Fig. 1 motor gear integrated dynamic transmission device schematic representation

Fig. 2 motor gear integrated dynamic transmission device sectional view

The amplification of Fig. 3 I

Among the figure: power supply lead wire 1, pole shoe 2, wiring flap 3, ring gear 4, planetary pinion 5, planet carrier 6, shell 7, jointer electrode 8, jointer are drawn axle 9, sun gear 10, coil 11, rotor 12, output shaft 13, bearing 14.

Embodiment

Below in conjunction with accompanying drawing the present invention is described in further detail:

Motor gear integrated dynamic transmission device is seen Fig. 2, and this device is made up of power section and variable part, and described variable part comprises: sun gear 10, planetary pinion 5, ring gear 4, planet carrier 6 and output shaft 13.Sun gear 10 and planetary pinion 5 engagements; On shell 7, planet carrier 6 and output shaft 13 are connected by bolt ring gear 4 by screw.

Described power section comprises: power supply lead wire 1, pole shoe 2, jointer electrode 8, jointer are drawn axle 9, coil 11 and rotor 12.Coil 11 is fixed in the sun gear 10, the front end of rotor 12 is connected with output shaft 13 by screw, see Fig. 3, draw on the axle 9 at jointer by bearings the rear end, and the center line that jointer is drawn axle 9, rotor 12, planet carrier 6 and output shaft 13 on an axis.

Jointer draw the axle 9 front ends by bolt on sun gear 10, the rear end by bearings on shell 7, jointer is hollow in the middle of drawing axle 9, and the power line of coil 11 is drawn axle 9 through jointer hollow parts is connected with the jointer electrode 8 that jointer is drawn axle 9 rears.

Jointer electrode 8 be installed in that jointer is drawn on the axle 9 and with its maintenance insulation, jointer electrode 8 in the process of rotation and pole shoe 2 constantly keep in touch, thereby external power supply is introduced jointer electrode 8, and then introduce coil 11.

Pole shoe 2 is installed on the wiring flap 3 and with its maintenance and insulate; Wiring flap 3 is by being bolted on the shell 7.

Power supply lead wire 1 is connected with pole shoe 2, and power lead-ining line circle 11 the most at last.

The concrete course of action of this transmission device: power supply is introduced pole shoe 2 by power supply lead wire 1, and pass through electrode 8 and give coil 11 power supplies, coil 11 generates an electromagnetic field, make coil 11 and rotor 12 rotations, the speed of coil 11 is the velocity ratio of planetary gear train with the ratio of the speed of rotor 12, and the sense of rotation of the two is identical.After coil 11 rotates, drive sun gear 10 and rotate together, sun gear 10 meshes with planetary pinion 5, and gives planetary pinion 5 with transmission of power, and planetary pinion 5 drives planet carrier 6 and output shaft 13 rotations, thereby realizes the transmittance process of whole power.

If needing power of design is that 5 watts, velocity ratio are 5 motor gear integrated dynamic transmission device, selecting electric motors function for use is 5 watts, and rated speed is 2400 rev/mins a motor; The standard pitch diameter of sun gear 10 is 60mm, and pressure angle is 20 °, and modulus is 2; The standard pitch diameter of planetary pinion 5 is 90mm, and pressure angle is 20 °, and modulus is 2; The standard pitch diameter of ring gear 4 is 240mm,, pressure angle is 20 °, modulus is 2.

Claims (1)

1. a motor gear integrated dynamic transmission device is made up of power section and variable part, and described variable part comprises: sun gear (10), planetary pinion (5), ring gear (4), planet carrier (6) and output shaft (13); Sun gear (10) and planetary pinion (5) engagement, on shell (7), planet carrier (6) is connected by bolt with output shaft (13) ring gear (4) by screw; It is characterized in that:

Described power section comprises that power supply lead wire (1), pole shoe (2), jointer electrode (8), jointer draw axle (9), coil (11) and rotor (12); Coil (11) is fixed in the sun gear (10), the front end of rotor (12) is connected with output shaft (13), draw on the axle (9) at jointer by bearings the rear end, and the center line that jointer is drawn axle (9), a rotor (12), planet carrier (6) and output shaft (13) on an axis;

Jointer draw the axle (9) front end by bolt on sun gear (10), the rear end by bearings on shell (7), jointer is hollow in the middle of drawing axle (9), and the power line of coil (11) is drawn axle (9) by jointer hollow parts is connected with the jointer electrode (8) that jointer is drawn axle (9) tail end;

Jointer electrode (8) be installed in that jointer draws that axle (9) is gone up and with its maintenance insulation, jointer electrode (8) in the process of rotation and pole shoe (2) constantly keep in touch, thereby external power supply is introduced jointer electrode (8), and then introducing coil (11);

Pole shoe (2) is installed in wiring flap (3) and upward and with its maintenance insulate, and wiring flap (3) is by being bolted on the shell (7);

Power supply lead wire (1) is connected with pole shoe (2), and power lead-ining line circle (11) the most at last.

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