CN215763025U

CN215763025U - Transmission shaft capable of preventing overlarge torque

Info

Publication number: CN215763025U
Application number: CN202122426885.XU
Authority: CN
Inventors: 俞建中
Original assignee: Hangzhou Mingpu Transmission Technology Co ltd
Current assignee: Hangzhou Mingpu Transmission Technology Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-08
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a transmission shaft capable of preventing overlarge torque, which comprises a transmission shaft body, wherein a tooth dividing device is arranged outside the transmission shaft body, the tooth dividing device comprises three first gears, the inner surfaces of the three first gears are fixedly sleeved on the transmission shaft body, the sizes of the three first gears are sequentially reduced from left to right, a conical gear is fixedly connected to the right of the transmission shaft body, a rotating shaft is fixedly connected to the left of the transmission shaft body, the transmission shaft capable of preventing the overlarge torque starts to operate through a telescopic motor, the operation of the telescopic motor drives the transmission shaft body to move leftwards or rightwards, the telescopic motor pulls the transmission shaft body rightwards, the transmission shaft body moves rightwards to drive the first gears to move rightwards, the larger the gear II moves rightwards to contact the first gear, the slower the rotating speed of the transmission shaft body is, and the rotating speed of the transmission shaft body is regulated and controlled by changing the size of the first gear, thereby prevent that the transmission shaft body rotational speed is too fast to lead to equipment to damage.

Description

Transmission shaft capable of preventing overlarge torque

Technical Field

The utility model relates to the technical field of transmission shafts, in particular to a transmission shaft capable of preventing overlarge torque.

Background

The transmission shaft is a high-speed, low-bearing rotating body, so that the dynamic balance of the transmission shaft is crucial. The dynamic balance test is carried out on a general transmission shaft before leaving a factory, and the transmission shaft is adjusted on a balancing machine. In the case of a front engine rear wheel drive vehicle, the transmission is arranged to transmit the rotation of the transmission to the shaft of the final drive, and the transmission can be provided with a plurality of joints, and the joints can be connected through universal joints.

Most of mechanical equipment need use the transmission shaft when the transmission, and general transmission shaft is when the transmission because motor speed constantly accelerates, and stress end speed can't continue to accelerate, leads to the quick shake of transmission shaft, and long-time high load operation may lead to equipment to damage.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a transmission shaft capable of preventing an excessive torque, so as to solve the above problems in the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent too big transmission shaft of moment, includes the transmission shaft body, the transmission shaft body is equipped with outward and divides the tooth device, divide the tooth device to include three gear one, it is three the equal fixed cup joint on the transmission shaft body of internal surface of gear one, it is three the size of gear one reduces from a left side to the right side in proper order, the right side fixedly connected with conical gear of transmission shaft body, the left side fixedly connected with pivot of transmission shaft body, the transmission shaft body is through the flexible motor of pivot fixedly connected with, the back mesh of gear one has gear two, gear two's left side swing joint has motor body, the transmission shaft body is equipped with the aggregate unit outward, the transmission shaft body is equipped with the bradyseism device outward.

Preferably, the linkage device comprises a main connecting cylinder, a first spring is fixedly connected to the back of the main connecting cylinder, a lantern ring is fixedly connected to the back of the first spring, a sleeve groove is formed in the inner surface of the lantern ring, and the lantern ring is movably sleeved on the transmission shaft body through the sleeve groove.

Preferably, the cushioning device includes T word fishplate bar, the back fixedly connected with spring two of T word fishplate bar, two row poles of positive fixedly connected with of T word fishplate bar, every two equal fixedly connected with bradyseism piece between row pole and the T word fishplate bar, per two equal fixedly connected with spring three between the bradyseism piece, the back swing joint of T word fishplate bar connects on the jar, two the equal fixed connection in the back of row pole connects the surface of jar in the owner.

Compared with the prior art, the utility model has the beneficial effects that:

(1) this prevent too big transmission shaft of moment of torsion, it rocks to reduce through two springs of four bradyseism pieces three, most mechanical equipment need use the transmission shaft when the transmission, general transmission shaft is when the transmission, because motor speed constantly accelerates, and stress end speed can't continue to accelerate, lead to the quick shake of transmission shaft, long-time high load operation can lead to equipment to damage, this device is through the size that changes gear one, reduce output speed, thereby avoid equipment to damage.

(2) This prevent too big transmission shaft of moment of torsion, begin to operate through flexible motor, the operation of flexible motor drives the transmission shaft body and moves left or right, flexible motor pulls the transmission shaft body right, the transmission shaft body moves right and drives gear one and move right, horizontal fly leaf removes simultaneously and drives flexible motor and transmission shaft body and move, thereby adjust the distance between gear one and the gear two, thereby keep gear one and gear two to be in the engaged state, gear two moves the gear one that contacts more right more big, the rotational speed of transmission shaft body is slow more, adjust and control the rotational speed of transmission shaft body through the size that adopts change gear one, thereby prevent that transmission shaft body rotational speed from leading to equipment damage at the excessive speed.

Drawings

FIG. 1 is a schematic structural view of a transmission shaft body according to the present invention;

FIG. 2 is a schematic view of a gear according to the present invention;

FIG. 3 is a schematic view of the main interface cylinder of the present invention;

FIG. 4 is a schematic view of the T-shaped fishplate of the present invention.

In the figure: 1. a transmission shaft body; 2. a first gear; 21. a bevel gear; 22. a telescopic motor; 23. a second gear; 24. a motor body; 3. a main connecting cylinder; 31. a first spring; 32. a collar; 33. sleeving a groove; 4. t-shaped connecting plate; 41. a second spring; 42. arranging rods; 43. a third spring; 44. a shock absorption sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a transmission shaft capable of preventing overlarge torque comprises a transmission shaft body 1, a tooth dividing device is arranged outside the transmission shaft body 1 and comprises three gears I2, the inner surfaces of the three gears I2 are fixedly sleeved on the transmission shaft body 1, the sizes of the three gears I2 are sequentially reduced from left to right, a conical gear 21 is fixedly connected to the right of the transmission shaft body 1, a rotating shaft is fixedly connected to the left of the transmission shaft body 1, a gear II 23 is meshed with the smallest gear I2 in an initial state, a motor body 24 starts to operate, the operation of the motor body 24 drives the gear II 23 to rotate, the rotation of the gear II 23 drives the gear I2 to rotate, the rotation of the gear I2 drives the transmission shaft body 1 to rotate, the rotation of the transmission shaft body 1 drives the conical gear 21 to rotate, the left of the transmission shaft body 1 rotates in the rotating shaft, and when the rotation speed of the motor body 24 is too fast, the transmission shaft body 1 is fixedly connected with a telescopic motor 22 through a rotating shaft, the back face of the first gear 2 is meshed with a second gear 23, the left face of the second gear 23 is movably connected with a motor body 24, a linkage device is arranged outside the transmission shaft body 1, and a shock absorption device is arranged outside the transmission shaft body 1.

The linkage device comprises a main connecting cylinder 3, a first spring 31 is fixedly connected to the back of the main connecting cylinder 3, a lantern ring 32 is fixedly connected to the back of the first spring 31, a sleeve groove 33 is formed in the inner surface of the lantern ring 32, the transmission shaft body 1 moves rightwards to drive the lantern ring 32 to move rightwards, the lantern ring 32 moves rightwards to drive the T-shaped connecting plate 4 to move rightwards on the horizontal plate, when the first gear 2 is large from small to large, the transmission shaft body 1 can move forwards, the transmission shaft body 1 moves forwards to drive the lantern ring 32 to move forwards, and the lantern ring 32 is movably sleeved on the transmission shaft body 1 through the sleeve groove 33.

The cushioning device includes T word fishplate bar 4, two 41 of the back fixedly connected with spring of T word fishplate bar 4, two row of poles 42 of the front fixedly connected with of T word fishplate bar 4, two cushioning pieces 44 of equal fixedly connected with between every row of pole 42 and T word fishplate bar 4, three 43 of equal fixedly connected with spring between every two cushioning pieces 44, spring 31 reduces gear 2 through the elasticity of self and is being felt at the time of more changing pause and pause, main 3 atress of connecing the jar transmit for T word fishplate bar 4, T word fishplate bar 4 reduces vibrations through two 41 springs, four cushioning pieces 44 reduce through three 43 of two springs simultaneously and rock, the back swing joint of T word fishplate bar 4 connects on jar 3 is mainly, the equal fixed connection in the main surface that connects jar 3 of the back of two row poles 42.

Specifically, when the utility model is used:

the first step is as follows: the T-shaped connecting plate 4 is fixed on the existing horizontal movable plate through a front screw (the horizontal movable plate is an existing fixed frame and can move horizontally), the gear II 23 is meshed with the smallest gear I2 in an initial state, the motor body 24 starts to operate, the operation of the motor body 24 drives the gear II 23 to rotate, the rotation of the gear II 23 drives the gear I2 to rotate, the rotation of the gear I2 drives the transmission shaft body 1 to rotate, the rotation of the transmission shaft body 1 drives the conical gear 21 to rotate, the left surface of the transmission shaft body 1 rotates in the rotating shaft, when the rotation speed of the motor body 24 is too fast, the telescopic motor 22 starts to operate, the operation of the telescopic motor 22 drives the transmission shaft body 1 to move leftwards or rightwards, the telescopic motor 22 pulls the transmission shaft body 1 rightwards, the right movement of the transmission shaft body 1 drives the gear I2 to move rightwards, and the horizontal movable plate simultaneously drives the telescopic motor 22 and the transmission shaft body 1 to move, therefore, the distance between the first gear 2 and the second gear 23 is adjusted, the first gear 2 and the second gear 23 can be kept in a meshed state, the larger the first gear 2 which is moved to the right and contacted with the second gear 23 is, the slower the rotating speed of the transmission shaft body 1 is, and the rotating speed of the transmission shaft body 1 is adjusted and controlled by changing the size of the first gear 2, so that the damage to equipment caused by the fact that the rotating speed of the transmission shaft body 1 is too fast is prevented.

The second step is that: the transmission shaft body 1 moves rightwards to drive the lantern ring 32 to move rightwards, the lantern ring 32 moves rightwards to drive the T-shaped connecting plate 4 to move rightwards on a horizontal plate, when the gear I2 is small to large, the transmission shaft body 1 moves forwards to drive the lantern ring 32 to move forwards, the lantern ring 32 moves forwards to extrude and deform the spring I31, the spring I31 reduces the pause feeling of the gear I2 during changing through self elasticity, the stress of the main connecting cylinder 3 is transmitted to the T-shaped connecting plate 4, the vibration of the T-shaped connecting plate 4 is reduced through the spring II 41, meanwhile, the four vibration damping sheets 44 reduce the vibration through the two springs III 43, most mechanical equipment needs a transmission shaft during transmission, and when general transmission shafts are used for transmission, the speed of a motor is continuously increased, the speed of a stress end cannot be continuously increased, so that the transmission shaft shakes rapidly and runs under high load for a long time, and the equipment can be damaged, the device reduces the output speed by changing the size of the first gear 2, thereby avoiding equipment damage.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an prevent too big transmission shaft of moment, includes transmission shaft body (1), transmission shaft body (1) is equipped with the minute tooth device outward, its characterized in that: the gear dividing device comprises three first gears (2), the inner surfaces of the three first gears (2) are fixedly sleeved on a transmission shaft body (1), the sizes of the three first gears (2) are sequentially reduced from left to right, a conical gear (21) is fixedly connected to the right side of the transmission shaft body (1), a rotating shaft is fixedly connected to the left side of the transmission shaft body (1), a telescopic motor (22) is fixedly connected to the transmission shaft body (1) through the rotating shaft, a second gear (23) is meshed with the back side of the first gear (2), and a motor body (24) is movably connected to the left side of the second gear (23);

a linkage device is arranged outside the transmission shaft body (1);

and a shock absorption device is arranged outside the transmission shaft body (1).

2. An anti-torque-up propeller shaft as defined in claim 1, wherein: the linkage device comprises a main connecting cylinder (3), a first spring (31) is fixedly connected to the back face of the main connecting cylinder (3), and a lantern ring (32) is fixedly connected to the back face of the first spring (31).

3. An anti-torque-up propeller shaft as defined in claim 2, wherein: the inner surface of the lantern ring (32) is provided with a sleeve groove (33), and the lantern ring (32) is movably sleeved on the transmission shaft body (1) through the sleeve groove (33).

4. An anti-torque-up propeller shaft as defined in claim 2, wherein: the cushioning device comprises a T-shaped connecting plate (4), a second spring (41) is fixedly connected to the back of the T-shaped connecting plate (4), and two row rods (42) are fixedly connected to the front of the T-shaped connecting plate (4).

5. An anti-torque-up propeller shaft as defined in claim 4, wherein: every equal fixedly connected with two bradyseism pieces (44) between tier pole (42) and T style of calligraphy fishplate bar (4), every two equal fixedly connected with spring three (43) between bradyseism piece (44).

6. An anti-torque-up propeller shaft as defined in claim 5, wherein: the back of the T-shaped connecting plate (4) is movably connected to the main connecting cylinder (3), and the backs of the two row rods (42) are fixedly connected to the surface of the main connecting cylinder (3).