CN217422047U

CN217422047U - Novel speed reducer device

Info

Publication number: CN217422047U
Application number: CN202221226278.7U
Authority: CN
Inventors: 方旺华; 庄胜刚
Original assignee: Jiangxi Kewang Technology Co ltd
Current assignee: Jiangxi Kewang Technology Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-09-13
Anticipated expiration: 2032-05-20

Abstract

The utility model belongs to the technical field of speed reducers, in particular to a novel speed reducer device, which comprises a driving motor, a speed reducer body, an output shaft, a worm wheel, a voltage stabilizer main shaft, a gear pair and a crank, wherein the worm is arranged in the speed reducer body by utilizing a bearing support frame; the crank has a moving freedom degree in the horizontal direction; the utility model discloses a speed reducer device for voltage stabilizer, when the motor control system can't work, utilize manual operation rocker to make the speed reducer worm drive the rotation of stabiliser main shaft thereby realize the stabiliser pressure regulating function; the crank is designed to be in butt joint with or separated from the end part of the worm, and when the driving motor works normally, the crank is separated from the end part of the worm, so that the crank is prevented from running at a high speed along with the driving motor, and the working safety is improved.

Description

Novel speed reducer device

Technical Field

The utility model belongs to the technical field of the speed reducer, in particular to be applied to the speed reducer among the power stabiliser, concretely relates to novel speed reducer device.

Background

The voltage stabilizer is a device for stabilizing output voltage, and is composed of a voltage regulating circuit, a control circuit, a servo motor and the like, when the input voltage or load changes, the control circuit samples, compares and amplifies, then drives the servo motor to rotate, so that the position of a carbon brush of the voltage regulator is changed, and the stability of the output voltage is maintained by automatically adjusting the turn ratio of a coil.

The speed reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, is widely applied to modern machinery, and is also an important component in a power supply voltage stabilizer.

There is a great defect in traditional speed reducer application on constant voltage power supply, can't promptly utilize manual pressure regulating function when electric control breaks down, cause to maintain and use very inconvenient, to the defect that exists more than, has developed a section through the research and development on the market and has been used on constant voltage power supply manually, electronic two kinds of functions's speed reducer, when motor control loses the function promptly, can utilize dedicated crank to rotate reduction gears and drive the voltage regulator and carry out the pressure regulating.

However, when the speed reducer which can rotate the speed reducing mechanism by using the special crank to drive the pressure regulator to regulate the pressure is used, when the driving motor runs, the crank can also run at a high speed along with the driving motor, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a novel speed reducer device has convenient to use and operation safety's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a novel speed reducer device comprises a driving motor, a speed reducer body, an output shaft, a worm gear, a voltage stabilizer main shaft, a gear pair and a crank, wherein the worm is arranged in the speed reducer body through a bearing support frame, the driving motor is connected to the outer wall of the speed reducer body and drives the worm to rotate, the novel speed reducer device also comprises a guide limiting sleeve, and the guide limiting sleeve is supported and installed on the outer wall of the speed reducer body through a bearing; the crank has a moving freedom degree in the horizontal direction, and the end part of the crank penetrates through the guide limiting sleeve and is embedded into the speed reducer body and is in butt joint with one end, far away from the driving motor, of the worm; the embedded end of the crank is fixed with a square splicing short column, the corresponding end of the worm is fixed with a connecting seat, and a square splicing groove capable of accommodating the square splicing short column is formed in the connecting seat.

As an optimal technical scheme of the utility model, the outer wall of square concatenation short column is fixed with the spacing piece still seted up on the connecting seat and can hold the spacing breach of spacing piece.

As a preferred technical scheme of the utility model, the embedding end outer wall of crank is fixed with direction limit slide the direction limit sleeve's inner wall seted up with the corresponding direction limit chute of direction limit slide.

As a preferred technical scheme of the utility model, the utility model further comprises a U-shaped limiting plate and an adjustable telescopic assembly, wherein the U-shaped limiting plate is mounted on the outer wall of the speed reducer body by the adjustable telescopic assembly, and the crank can be embedded into the inner side of the U-shaped limiting plate; the adjustable telescopic assembly comprises a telescopic inner column, a telescopic outer column and a manual bolt, the telescopic inner column is embedded into the telescopic outer column to form a telescopic structure, and the manual bolt is installed on the telescopic outer column in a threaded screwing mode.

As a preferred technical solution of the present invention, the output shaft is disposed on the speed reducer body by using a bearing support frame, one end of the output shaft extends into the speed reducer body, the other end extends out of the output shaft, and the output shaft and the voltage stabilizer main shaft are connected by a gear pair in a transmission manner; the worm wheel is mounted on the embedded end of the output shaft and meshed with the worm.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a speed reducer device for voltage stabilizer, when the motor control system can't work, utilize manual operation rocker to make the speed reducer worm drive the rotation of stabiliser main shaft thereby realize the stabiliser pressure regulating function; the crank is designed to be in butt joint with or separated from the end part of the worm, and when the driving motor works normally, the crank is separated from the end part of the worm, so that the crank is prevented from running at a high speed along with the driving motor, and the working safety is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the crank shaft of the present invention;

FIG. 3 is an enlarged schematic view of the adjustable telescopic assembly shown in FIG. 1 according to the present invention;

in the figure: 1. a drive motor; 2. a speed reducer body; 3. an output shaft; 4. a worm; 5. a worm gear; 6. a stabilizer main shaft; 7. a gear pair; 8. a crank; 9. a guide limit sleeve; 10. a U-shaped limiting plate; 11. an adjustable telescopic assembly; 12. a square splicing short column; 13. a limiting sheet; 14. a connecting seat; 15. a square splicing groove; 16. a limiting notch; 17. a guide limit slide block; 18. a guide limit chute; 19. a telescopic inner column; 20. a telescopic outer column; 21. and (4) manually screwing.

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. 1-3, the present invention provides the following technical solutions: a novel speed reducer device comprises a driving motor 1, a speed reducer body 2, an output shaft 3, a worm 4, a worm wheel 5, a voltage stabilizer main shaft 6, a gear pair 7 and a crank 8, wherein the worm 4 is arranged in the speed reducer body 2 through a bearing support frame, the driving motor 1 is connected to the outer wall of the speed reducer body 2 and drives the worm 4 to rotate, the output shaft 3 is arranged on the speed reducer body 2 through the bearing support frame, one end of the output shaft 3 extends into the speed reducer body 2, the other end of the output shaft 3 extends out of the output shaft 3, and the output shaft 3 and the voltage stabilizer main shaft 6 are in transmission connection through the gear pair 7; the worm wheel 5 is arranged on the embedded end of the output shaft 3 and meshed with the worm 4, and the worm wheel further comprises a guide limiting sleeve 9, and the guide limiting sleeve 9 is supported and arranged on the outer wall of the speed reducer body 2 by a bearing; the crank 8 has a moving freedom degree in the horizontal direction, and the end part of the crank 8 penetrates through the guide limiting sleeve 9 and then is embedded into the speed reducer body 2 and is butted with one end of the worm 4 far away from the driving motor 1; a square splicing short column 12 is fixed on the embedding end of the crank 8, a connecting seat 14 is fixed at the corresponding end of the worm 4, a square splicing groove 15 capable of accommodating the square splicing short column 12 is formed in the connecting seat 14, when the voltage stabilizer is used, the crank 8 is pulled outwards under the normal work of the driving motor 1, the square splicing short column 12 on the embedding end of the crank 8 is separated from the square splicing groove 15 on the connecting seat 14, the driving motor 1 drives the worm 4 to rotate at the moment, the worm wheel 5 is utilized to drive the output shaft 3 to rotate under the meshing relation of the worm 4 and the worm wheel 5, the voltage stabilizer main shaft 6 rotates under the transmission effect of the gear pair 7, the voltage regulating function of the voltage stabilizer is realized, meanwhile, the crank 8 cannot rotate, and the work safety is ensured; when electric control breaks down, namely the driving motor 1 can not work normally, the crank 8 is pushed in, the square splicing short column 12 on the embedded end of the crank 8 is embedded into the square splicing groove 15 on the connecting seat 14, the crank 8 can be rotated by a certain angle in the process, the square splicing short column 12 is reliably embedded into the connecting seat 14, the crank 8 is manually used for driving the worm 4 to rotate, the worm wheel 5 is used for driving the output shaft 3 to rotate under the meshing relation of the worm 4 and the worm wheel 5, the voltage stabilizer main shaft 6 rotates under the transmission effect of the gear pair 7, and the voltage regulating function of the voltage stabilizer is realized.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, a limiting piece 13 is fixed on an outer wall of the square splice short column 12, a limiting notch 16 capable of accommodating the limiting piece 13 is further formed in the connecting seat 14, and when the square splice short column 12 is embedded into the square splice groove 15 on the connecting seat 14, the limiting piece 13 is embedded into the limiting notch 16, so that the crank 8 and the worm 4 are reliably spliced, and the crank 8 can be reliably utilized to rotate the worm 4 to work.

Specifically, according to fig. 1 and fig. 2, in this embodiment, a guiding limit slider 17 is fixed on an outer wall of an embedding end of the crank 8, a guiding limit sliding groove 18 corresponding to the guiding limit slider 17 is formed in an inner wall of the guiding limit sleeve 9, and the guiding limit slider 17 is embedded in the guiding limit sliding groove 18 and used for guiding horizontal movement of the crank 8 and limiting a horizontal movement range of the crank 8.

Specifically, as shown in fig. 1 and fig. 3, the speed reducer further includes a U-shaped limiting plate 10 and an adjustable telescopic assembly 11, the U-shaped limiting plate 10 is mounted on the outer wall of the speed reducer body 2 by the adjustable telescopic assembly 11, and the crank 8 can be embedded into the U-shaped limiting plate 10; the adjustable telescopic assembly 11 comprises a telescopic inner column 19, a telescopic outer column 20 and a manual bolt 21, the telescopic inner column 19 is embedded into the telescopic outer column 20 to form a telescopic structure, the manual bolt 21 is installed on the telescopic outer column 20 in a threaded screwing mode, under the normal work of the driving motor 1, the crank 8 is embedded into the inner side of the U-shaped limiting plate 10, the rotation of the crank 8 is further limited through the U-shaped limiting plate 10, meanwhile, the crank 8 is abutted through the U-shaped limiting plate 10, the situation that the crank 8 is close to the worm 4 due to the shaking of the speed reducer body 2 during the work is avoided, and the work safety is further improved; when utilizing the rotatory worm 4 of crank 8, loosen hand bolt 21 soon, will stretch out and draw back interior post 19 and promote in the flexible outer post 20, improve flexible inner column 19's embedding volume, keep away from crank 8 until U type limiting plate 10, crank 8 does not receive the restriction of U type limiting plate 10 this moment, can normally rotate crank 8.

The utility model discloses a theory of operation and use flow: the utility model discloses a speed reducer device, when using, under driving motor 1 normal work, pull crank 8 outward, make the square splice short column 12 on the crank 8 embedding end break away from the square splice groove 15 on connecting seat 14, driving motor 1 drive worm 4 is rotatory this moment, under the meshing relation of worm 4 and worm wheel 5, utilize worm wheel 5 to drive output shaft 3 and rotate, under the transmission effect of gear pair 7, stabiliser main shaft 6 rotates, realizes stabiliser pressure regulating function, crank 8 can not rotate this moment simultaneously, guaranteed the security of work;

when electric control breaks down, namely the driving motor 1 can not work normally, the crank 8 is pushed in, the square splicing short column 12 on the embedded end of the crank 8 is embedded into the square splicing groove 15 on the connecting seat 14, the crank 8 can be rotated by a certain angle in the process, the square splicing short column 12 is reliably embedded into the connecting seat 14, the crank 8 is manually used for driving the worm 4 to rotate, the worm wheel 5 is used for driving the output shaft 3 to rotate under the meshing relation of the worm 4 and the worm wheel 5, the voltage stabilizer main shaft 6 rotates under the transmission effect of the gear pair 7, and the voltage regulating function of the voltage stabilizer is realized.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be connected through an intermediate medium.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel speed reducer device, includes driving motor (1), speed reducer body (2), output shaft (3), worm (4), worm wheel (5), stabiliser main shaft (6), gear pair (7) and crank (8), worm (4) utilize the bearing support frame to establish in speed reducer body (2), driving motor (1) is connected speed reducer body (2) outer wall and drive worm (4) are rotatory, its characterized in that: the speed reducer is characterized by further comprising a guide limiting sleeve (9), wherein the guide limiting sleeve (9) is supported and mounted on the outer wall of the speed reducer body (2) through a bearing; the crank (8) has a moving degree of freedom in the horizontal direction, and the end part of the crank (8) penetrates through the guide limiting sleeve (9) and then is embedded into the speed reducer body (2) and is in butt joint with one end, far away from the driving motor (1), of the worm (4); a square splicing short column (12) is fixed on the embedding end of the crank (8), a connecting seat (14) is fixed at the corresponding end of the worm (4), and a square splicing groove (15) capable of accommodating the square splicing short column (12) is formed in the connecting seat (14).

2. A novel speed reducer apparatus according to claim 1, wherein: the outer wall of the square splicing short column (12) is fixed with a limiting sheet (13), and the connecting seat (14) is also provided with a limiting notch (16) capable of accommodating the limiting sheet (13).

3. A novel speed reducer apparatus according to claim 1, wherein: the outer wall of the embedding end of the crank (8) is fixed with a guide limiting slide block (17), and the inner wall of the guide limiting sleeve (9) is provided with a guide limiting slide groove (18) corresponding to the guide limiting slide block (17).

4. A novel speed reducer apparatus according to claim 1, wherein: the speed reducer is characterized by further comprising a U-shaped limiting plate (10) and an adjustable telescopic assembly (11), wherein the U-shaped limiting plate (10) is mounted on the outer wall of the speed reducer body (2) through the adjustable telescopic assembly (11), and the crank (8) can be embedded into the inner side of the U-shaped limiting plate (10); the adjustable telescopic assembly (11) comprises a telescopic inner column (19), a telescopic outer column (20) and a manual bolt (21), the telescopic inner column (19) is embedded into the telescopic outer column (20) to form a telescopic structure, and the manual bolt (21) is installed on the telescopic outer column (20) in a threaded screwing mode.

5. A novel speed reducer apparatus according to claim 1, wherein: the output shaft (3) is arranged on the speed reducer body (2) by a bearing support frame, one end of the output shaft (3) extends into the speed reducer body (2), the other end of the output shaft extends out of the output shaft (3), and the output shaft (3) is in transmission connection with the voltage stabilizer main shaft (6) through a gear pair (7); the worm wheel (5) is arranged on the embedded end of the output shaft (3) and is meshed with the worm (4).