CN219413479U - Coaxial reverse self-locking speed reducer - Google Patents

Abstract

The utility model discloses a coaxial reverse self-locking speed reducer, which comprises a speed change mechanism box body, wherein a first worm, a second worm, a first worm wheel, a second worm wheel, a first transmission shaft and a second transmission shaft are arranged in the speed change mechanism box body, the first worm wheel is driven to rotate through a first motor, so that the first worm wheel and the second worm wheel are driven to rotate, and two coaxial reverse rotation speeds with opposite directions are output through the first transmission shaft and the second transmission shaft, so that the coaxial reverse of the device is realized, and the self-locking function of the device is realized under the action of the worm wheel and the worm.

Description

Coaxial reverse self-locking speed reducer

Technical Field

The utility model relates to the technical field of speed reducers, in particular to a coaxial reverse self-locking speed reducer.

Background

The speed reducer is a type of speed reducing and reversing mechanism commonly used in the fields of industry, agriculture and artificial intelligence, the speed reducer is various in types, basically single-shaft, multi-shaft, same-directional or reverse, and partially coaxial and reverse, but not provided with self-locking function, and the speed reducing ratio is not easy to adjust, while the self-locking function is realized through a worm gear and a worm gear in Chinese patent publication No. 217355495U, namely, a worm gear speed reducer with a reverse self-locking function, the self-locking function is required in certain specific occasions, and when the same shaft is required to be reversed, no proper speed reducer is selected, and meanwhile, the existing speed reducer which is combined is complex, slightly thick, has weight and size requirements and is not good for being applied in practice, so that the speed reducer capable of realizing coaxial directional output and self-locking is required.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the coaxial reverse self-locking speed reducer which has the advantages of compact structure, good self-locking effect, convenient lubrication of the rotating part, easy installation and capability of solving the problem of the requirement of actual production operation on the coaxial reverse self-locking speed reducer.

The technical scheme adopted for achieving the purpose is as follows:

the utility model provides a coaxial reverse auto-lock speed reducer, includes the speed change mechanism box, its characterized in that, be equipped with first motor on the speed change mechanism box, the internal rotation of speed change mechanism box is equipped with first worm wheel, the internal rotation of speed change mechanism box is equipped with first worm, and first worm links to each other with the output of first motor, mutually support between first worm and the first worm wheel, the output of first motor still is connected with the first gear coaxial with first worm, the internal rotation of speed change mechanism box is equipped with the second worm, one side of second worm be equipped with the second gear coaxial of second worm, and the second gear meshes with first gear, the internal rotation of speed change mechanism box is equipped with the second worm wheel coaxial with first worm wheel, and second worm wheel cooperatees with the second worm, coaxial being equipped with first transmission structure on the first worm wheel, conduct the rotation of first worm wheel output, coaxial being equipped with second transmission structure on the second worm wheel to conduct the rotation of second worm wheel output.

Further, the first motor is a servo motor, and the first motor is connected with the first worm through a coupler.

Further, the first transmission structure comprises a first transmission shaft and a first bearing, the first transmission shaft is arranged on one side of the output end of the first worm wheel and is coaxial with the first worm wheel, the first bearing is sleeved on the first transmission shaft, the first bearing is rotationally arranged in the speed change mechanism box body, and a first output flat key is arranged on the output end of the first transmission shaft, which is positioned outside the speed change mechanism box body.

Further, the second transmission structure comprises a second bearing and a second transmission shaft, the second transmission shaft is arranged on one side of the output end of the second worm wheel and is coaxial with the second worm wheel, the second bearing is sleeved on the second transmission shaft, the second bearing is rotationally arranged in the first transmission shaft, the output end of the second transmission shaft penetrates through the first transmission shaft, and a second output flat key is arranged on the output end of the second transmission shaft, which is positioned outside the gearbox body.

Further, the transmission mechanism box body is provided with a support, the support is provided with a second motor, the output end of the second motor is connected with a transmission gear, one side of the transmission mechanism box body is fixedly connected with an integral rotating gear, the integral rotating gear is rotationally arranged on one side of the support, which is positioned in the support, and the transmission gear is meshed with the integral rotating gear.

Further, the second motor is a servo motor, and the second motor is connected with the transmission gear through a coupler.

Further, the bracket is a U-shaped bracket.

The utility model has the beneficial effects that:

the device realizes a self-locking function through the cooperation between the worm gears and the worm, and simultaneously realizes a coaxial reverse output function through the cooperation between the first worm, the second worm, the first gear and the second gear, and can simultaneously coaxially output rotation in opposite directions through the first output flat key and the second output flat key, thereby solving the problem that when certain specific occasions require self-locking and coaxial reverse, no proper speed reducer is used for selection, the whole structure of the device is simple and convenient, and the combined problems that the device is complex and slightly thick and has weight and size requirements and cannot be applied in practice are solved.

Drawings

FIG. 1 is a schematic view of an apparatus of the present utility model;

FIG. 2 is a top view of the device of the present utility model;

FIG. 3 is a schematic view of the device of the present utility model mounted on a stand.

The gear box comprises a 1-speed change mechanism box body, a 2-support, a 3-first motor, a 4-first worm, a 5-first gear, a 6-second gear, a 7-second worm, an 8-integral rotating gear, a 9-first worm wheel, a 10-second worm wheel, a 11-first bearing, a 12-first transmission shaft, a 13-first output flat key, a 14-second bearing, a 15-second transmission shaft, a 16-second output flat key, a 17-second motor and a 18-transmission gear.

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-3, this embodiment discloses a coaxial reverse self-locking speed reducer, including a gear box 1 and a support 2, wherein the support 2 is a U-shaped support, one side of the gear box 1 is fixedly connected with an integral rotating gear 8, meanwhile, the integral rotating gear 8 is rotationally arranged on a baffle on one side of the support 2, and is matched with a bearing arranged on the side of the support 2, so as to realize that the gear box 1 is rotationally arranged in the support 2, a second motor 17 is arranged on the support 2, the output end of the second motor 17 is connected with a transmission gear 18 through a coupling, the transmission gear 18 is meshed with the integral rotating gear 8, so that under the driving of the second motor 17, the rotation of the integral rotating gear 8 in the support 2 is realized through the transmission gear 18, and the whole gear box 1 is further mobilized to rotate in the support 2, so as to adjust the output position of the speed change mechanism box body 1, the speed change mechanism box body 1 is provided with a first motor 3, the first motor 3 is connected with a first worm 4 through a coupling, the speed change mechanism box body 1 is rotationally provided with a first worm wheel 9, the first worm 4 is rotationally arranged in the speed change mechanism box body 1, the first worm 4 is matched and connected with the first worm wheel 9, the first motor 3 drives the first worm wheel 9 to rotate through the first worm 4, the first worm 4 is provided with a first coaxial gear 5, the first gear 5 can rotate along with the first worm 4, the speed change mechanism box body 1 is rotationally provided with a second worm 7, the second worm 7 is provided with a second coaxial gear 6, the first gear 5 is meshed with the second gear 6, the first motor 3 can drive the second worm 7 to rotate through the matching of the first gear 5 and the second gear 6, meanwhile, a second worm wheel 10 is rotationally arranged in the speed change mechanism box body 1, the second worm wheel 10 is matched with the second worm 7, so that the first motor 3 rotates by adjusting the second worm 7, the second worm wheel 10 is driven to rotate, coaxial reverse output between the first worm wheel 9 and the second worm wheel 10 is realized, and the first motor 3 and the second motor 17 in the device are servo motors.

As shown in fig. 1-2, a first transmission shaft 12 coaxial with the first worm wheel 9 is arranged at one side of the output end of the first worm wheel 9, a first bearing 11 is sleeved outside the first transmission shaft 12, the first bearing 11 is rotatably arranged in the speed change mechanism box body 1, meanwhile, the first transmission shaft 12 extends out of the speed change mechanism box body 1 from the speed change mechanism box body 1, a first output flat key 13 is arranged at the output end of the first transmission shaft 12, which is positioned outside the speed change mechanism box body 1, and the first transmission shaft 12 is driven to rotate through rotation of the first worm wheel 9, so that rotation in one direction is output through the first output flat key 13.

As shown in fig. 1-2, a second transmission shaft 15 coaxial with the second worm wheel 10 is arranged at one side of the output end of the second worm wheel 10, a second bearing 14 is sleeved outside the second transmission shaft 15, the first transmission shaft 12 is a hollow shaft, the output end of the second transmission shaft 15 is arranged at the hollow part of the first transmission shaft 12 and penetrates through the first transmission shaft 12, the second bearing 14 is rotatably arranged in the first transmission shaft 12, the second transmission shaft 15 is matched with the first transmission shaft 12 through the second bearing 14 and is coaxial with the first transmission shaft 12, meanwhile, the output end of the second transmission shaft 15 extends out of the transmission mechanism box 1 from the inside of the first transmission shaft 12, a second output flat key 16 is arranged on the output end of the second transmission shaft 15 positioned outside the transmission mechanism box 1, the second transmission shaft 15 is driven to rotate through rotation of the second worm wheel 10, and further rotation in the opposite direction to the first transmission shaft 12 is output through the second output flat key 16.

The utility model is used when in use: the first worm 4 is driven to rotate by controlling the first motor 3, so that the first worm wheel 9 is driven to rotate, the first worm wheel 9 is matched with the first transmission shaft 12, one direction of rotation is output through the first output flat key 13 on the first transmission shaft 12, meanwhile, the first motor 3 drives the first gear 5 to rotate, the first gear 5 drives the second gear 6 to reversely rotate, the second gear 6 drives the second worm wheel 10 to rotate through the second worm 7, the second worm wheel 10 is matched with the second transmission shaft 15, a rotation opposite to the first transmission shaft 12 is output through the second output flat key 16 on the second transmission shaft 15, coaxial reverse output is realized, meanwhile, the second motor 17 is controlled to drive the integral rotary gear 8 to rotate through the transmission gear 18, the whole speed change mechanism box 1 can rotate in the bracket 2, the output position can be adjusted, and the self-locking function of the device can be realized under the matching of the worm wheel and the worm.

In the description of the present utility model, it should be understood that the terms "center," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model.

If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is for convenience only as well as for simplicity of description, and nothing more than a particular meaning of the terms is intended to be used unless otherwise stated.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with others, which may not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides a coaxial reverse auto-lock speed reducer, includes the speed change mechanism box, its characterized in that, be equipped with first motor on the speed change mechanism box, the internal rotation of speed change mechanism box is equipped with first worm wheel, the internal rotation of speed change mechanism box is equipped with first worm, and first worm links to each other with the output of first motor, mutually support between first worm and the first worm wheel, the output of first motor still is connected with the first gear coaxial with first worm, the internal rotation of speed change mechanism box is equipped with the second worm, one side of second worm be equipped with the second gear coaxial of second worm, and the second gear meshes with first gear, the internal rotation of speed change mechanism box is equipped with the second worm wheel coaxial with first worm wheel, and second worm wheel cooperatees with the second worm, coaxial being equipped with first transmission structure on the first worm wheel, conduct the rotation of first worm wheel output, coaxial being equipped with second transmission structure on the second worm wheel to conduct the rotation of second worm wheel output.

2. The coaxial reverse self-locking speed reducer according to claim 1, wherein the first motor is a servo motor, and the first motor is connected with the first worm through a coupling.

3. The coaxial reverse self-locking speed reducer according to claim 1, wherein the first transmission structure comprises a first transmission shaft and a first bearing, the first transmission shaft is arranged on one side of the output end of the first worm wheel and is coaxial with the first worm wheel, the first bearing is sleeved on the first transmission shaft, the first bearing is rotationally arranged in the gearbox, and a first output flat key is arranged on the output end of the first transmission shaft, which is positioned outside the gearbox.

4. The coaxial reverse self-locking speed reducer according to claim 3, wherein the second transmission structure comprises a second bearing and a second transmission shaft, the second transmission shaft is arranged on one side of the output end of the second worm wheel and is coaxial with the second worm wheel, the second bearing is sleeved on the second transmission shaft, the second bearing is rotatably arranged in the first transmission shaft, the output end of the second transmission shaft passes through the first transmission shaft, and a second output flat key is arranged on the output end of the second transmission shaft, which is positioned outside the gearbox body.

5. The coaxial reverse self-locking speed reducer according to claim 1, wherein a bracket is arranged outside the speed change mechanism box body, a second motor is arranged on the bracket, the output end of the second motor is connected with a transmission gear, one side of the speed change mechanism box body is fixedly connected with an integral rotating gear, the integral rotating gear is rotationally arranged on one side of the bracket, which is positioned in the bracket, and the transmission gear is meshed with the integral rotating gear.

6. The coaxial reverse self-locking speed reducer according to claim 5, wherein the second motor is a servo motor, and the second motor is connected with the transmission gear through a coupling.

7. The coaxial reverse self-locking speed reducer of claim 5, wherein the bracket is a U-shaped bracket.