CN219692194U

CN219692194U - High-torque parallel gear transmission speed reducer

Info

Publication number: CN219692194U
Application number: CN202320949207.8U
Authority: CN
Inventors: 屠科慧
Original assignee: Zhejiang Beto Transmission Technology Co ltd
Current assignee: Zhejiang Beto Transmission Technology Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-09-15
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to a high-torque parallel gear transmission speed reducer which comprises a shell, a gear set arranged in the shell, an output shaft and an input shaft which are rotatably connected to the shell, wherein the output shaft and the input shaft are connected with the gear set and driven by the gear set, and a driving part capable of driving the input shaft to rotate is arranged at one end of the input shaft, which is far away from a driving machine connected with the input shaft. The driving part is applied with force to drive the input shaft to rotate, so that the force can be applied better when the input shaft is rotated, the angle of the input shaft is adjusted more conveniently, and the input shaft is connected with the shaft of the driving machine more conveniently.

Description

High-torque parallel gear transmission speed reducer

Technical Field

The utility model relates to the technical field of speed reducers, in particular to a high-torque parallel gear transmission speed reducer.

Background

The speed reducer is arranged between the driving machine and the actuating mechanism and is used for reducing the rotating speed of the driving machine transmitted to the actuating mechanism and increasing the torque. The existing speed reducer can be divided into a gear speed reducer, a worm speed reducer and a planetary gear speed reducer, wherein an input shaft at one end of the speed reducer is connected with a driving machine, and an output shaft at the other end of the speed reducer is connected with an executing mechanism, so that the speed reducer is driven.

The Chinese patent with the application number of CN201620775164.6 discloses a parallel shaft gear reducer capable of finely adjusting the transmission ratio, and the technical scheme is as follows: the utility model provides a parallel shaft gear reducer, is the inner chamber including casing, gear train, is equipped with input shaft, first transmission shaft, second transmission shaft and the output shaft that drive through gear train intermeshing in the casing in the inner chamber, the gear train includes input shaft and first epaxial intermeshing's first gear and second gear, still locates epaxial reserve wheel including the cover, the diameter of reserve wheel is greater than the diameter of first gear, the cover is equipped with first spacing subassembly on the first transmission shaft.

In the above scheme, when the input shaft is connected with the driver, the key groove on the input shaft and the key on the driver are usually used for matching, so that the input shaft and the shaft on the driver synchronously rotate, and in the process of connecting the input shaft and the driver, the key groove and the key are aligned to enable the input shaft to be connected with the shaft on the driver, so that the angle of the two shafts needs to be adjusted by rotating the input shaft or rotating the shaft on the driver, and the surfaces of the input shaft and the shaft on the driver are smooth, so that the process of adjusting the angle is troublesome.

It is therefore necessary to propose a new solution to the above-mentioned problems.

Disclosure of Invention

In order to facilitate connection of an input shaft of a speed reducer and a shaft of a driver, the utility model provides a high-torque parallel gear transmission speed reducer.

The utility model provides a high-torque parallel gear transmission speed reducer, which adopts the following technical scheme:

the utility model provides a high moment of torsion parallel gear transmission speed reducer, includes the casing, sets up the gear train in the casing, rotates output shaft and the input shaft of being connected on the casing, output shaft and input shaft just are connected and drive through the gear train in the gear train, the one end that the input shaft kept away from its connected driving machine is provided with can drive input shaft pivoted drive division.

Through adopting above-mentioned technical scheme, thereby drive the input shaft through the application of force to drive the drive portion and rotate to can be better when rotating the input shaft application of force, thereby make the angular adjustment of input shaft more convenient, also make the input shaft more convenient with the connection of the axle of driving machine.

Optionally: the driving part is arranged on the shell in a penetrating way, one end of the driving part is positioned outside the shell, and the other end of the driving part is arranged in the shell in a penetrating way and is connected with one end, far away from the driving machine, of the input shaft.

Through adopting above-mentioned technical scheme, separate between drive division and the input shaft to make directly change after the impaired upper drive division, and the shape of input shaft does not change, makes the bulk strength of input shaft be difficult for taking place to reduce.

Optionally: the utility model discloses a drive portion, including drive portion, input shaft, first parallel key, second parallel key, the drive portion is close to the one end of input shaft and has seted up the jack groove, set up first keyway on the jack groove lateral wall, be provided with first parallel key on the input shaft, the input shaft can wear to locate in the jack groove, first parallel key can inlay and locate in the first keyway.

Through adopting above-mentioned technical scheme, when being connected drive portion and input shaft, realize the synchronous rotation of drive portion and input shaft through the cooperation of first keyway and first flat key to the axial distance of drive portion and input shaft can be adjusted automatically, thereby makes the connection of drive portion and input shaft more convenient.

Optionally: the one end that the drive portion was kept away from the input shaft still threaded connection has rotatory bolt.

By adopting the technical scheme, the driving part is driven to rotate by directly applying force to the rotary screw through the rotary screw, and in the process of applying force to the rotary screw, the screwdriver can be directly used for applying force to the rotary screw, so that the process of applying force to the rotary screw is more convenient, and the angle adjustment process of the input shaft is also more convenient.

Optionally: the one end that the drive portion kept away from the output shaft has seted up the holding tank, rotatory bolt sets up in the holding tank, rotatory bolt's head sinks in the holding tank.

Through adopting above-mentioned technical scheme, sink rotatory bolt into the holding tank to be difficult for having debris winding on rotatory bolt and influencing the rotation of drive portion at drive portion pivoted in-process.

Optionally: the sealing device is characterized in that a sealing piece capable of sealing the accommodating groove is further arranged on the end face of the accommodating groove, the sealing piece comprises a sealing disc arranged at the end part of the driving part and a sealing ring capable of being embedded in the accommodating groove, the sealing disc is connected with the sealing ring, and the outer wall of the sealing ring can be attached to the inner wall of the accommodating groove.

Through adopting above-mentioned technical scheme, utilize the closure piece to seal the holding tank, make debris be difficult for getting into the holding tank and produce the winding to apply the frictional force that hinders rotatory bolt pivoted through the closure piece to rotatory bolt, make rotatory bolt be difficult for dropping in the holding tank.

Optionally: an extension piece is arranged on the side wall of the sealing disc.

By adopting the technical scheme, when the sealing piece is required to be taken down from the driving part, the sealing disc is driven to move by applying force to the sealing piece, and the sealing disc is provided with a position capable of directly applying force when the sealing disc is applied with force, so that the sealing disc can move more conveniently.

Optionally: the mounting groove is coaxially formed in the outer wall of the driving part, the mounting groove is internally embedded with a mounting ring, and the mounting ring is connected with one side of the sealing disc.

By adopting the technical scheme, when the sealing disc is taken down from the end part of the driving part, the sealing disc can be connected to the driving part through the mounting ring, so that the sealing disc is not easy to lose.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the driving part convenient to drive is arranged on the input shaft, so that when the input shaft is connected with the shaft of the driving machine and the angle of the input shaft needs to be adjusted, the driving part can be directly applied with force to drive the input shaft to rotate, and the angle of the input shaft is more convenient to adjust;

2. the containing groove is sealed by the sealing piece, so that the rotary bolt is not easy to fall off from the containing groove, and the using process of the driving part is more stable.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present utility model;

FIG. 2 is a schematic view showing the internal structure of a housing according to embodiment 1 of the present utility model;

fig. 3 is an enlarged view of a portion a of fig. 2;

fig. 4 is a schematic view showing the structure of a closure according to embodiment 2 of the present utility model.

In the figure, 1, a shell; 11. a housing; 12. a cover plate; 2. a gear set; 21. an output gear; 22. a first transmission gear; 23. a second transmission gear; 24. an input gear; 3. an input shaft; 31. a first flat key; 4. an output shaft; 5. a driving section; 51. a plug-in groove; 52. a first keyway; 53. a receiving groove; 54. rotating the bolt; 55. a mounting groove; 6. a closure; 61. a closing disk; 62. a closed loop; 63. a limiting block; 64. a mounting ring; 65. an extension piece.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment 1 of the utility model discloses a high-torque parallel gear transmission speed reducer, which comprises a shell 1, a gear set 2 arranged in the shell 1, an input shaft 3 and an output shaft 4 which are rotatably connected to the shell 1, as shown in fig. 1 and 2. The casing 1 comprises two casings 11 and a cover plate 12 covered on the casings 11, the casings 11 and the cover plate 12 are fixed through bolts, and an installation space for placing the gear set 2 is formed between the casings 11 and the cover plate 12. The gear set 2 comprises an output gear 21, a first transmission gear 22, a second transmission gear 23 and an input gear 24, wherein the output gear 21 is meshed with the first transmission gear 22, the second transmission gear 23 and the second transmission gear 23 are both rotationally connected in the installation space and synchronously rotate, the input gear 24 is meshed with the second transmission gear 23, and the number of teeth of the first transmission gear is smaller than that of the second transmission gear 23. The output gear 21 is coaxially fixed on the output shaft 4 by using a flat key, two ends of the output shaft 4 are respectively flush with the shell 11 and the cover plate 12, the output shaft 4 is provided with openings communicated with two ends, grooves parallel to the length direction of the output shaft 4 are formed in the inner wall of the output shaft 4, keys matched with the grooves can be arranged on the shaft of the actuating mechanism, and the shaft of the actuating mechanism can be inserted on the output shaft 4. The input gear 24 can be fixed on the input shaft 3 by using a flat key, one end of the input shaft 3, which is close to the driving machine, is provided with an opening and is provided with a key groove, a shaft on the driving machine can be inserted into the notch of the input shaft 3, and the key on the driving machine can be matched with the key groove on the input shaft 3, so that the gear set 2 is driven to rotate by using the input shaft 3, and the reduction rotation of the output shaft 4 is realized.

As shown in fig. 3, a driving part 5 capable of driving the input shaft 3 to rotate is arranged at one end of the input shaft 3 far away from the driving machine, and the driving part 5 is columnar, penetrates through the cover body and is in rotary connection with the cover body. The drive part 5 is provided with a coaxially arranged insertion groove 51 near one end of the input shaft 3, a first key groove 52 capable of penetrating the outer wall of the drive part 5 is arranged in the insertion groove 51, and the first key groove 52 penetrates the end face of the drive part 5 near the input shaft 3. The end of the input shaft 3 far away from the driving machine can be inserted into the inserting groove 51, and the first flat key 31 is arranged on the input shaft 3, and the first flat key 31 can be embedded into the first key groove 52, so that the input shaft 3 and the driving part 5 can synchronously rotate. When the input shaft 3 is connected to the shaft of the drive machine, the drive unit 5 is capable of biasing the input shaft 3 to adjust the angle of the input shaft 3 so as to be aligned with the shaft of the drive machine better, thereby facilitating the connection of the input shaft 3 to the drive machine.

As shown in fig. 3, in order to make the rotation of the driving part 5 more convenient, the driving part 5 can be directly driven to rotate by using a common tool, one end of the driving part 5 far away from the output shaft 4 is provided with a containing groove 53, a rotary bolt 54 is connected in the containing groove 53 in a threaded manner, and the head of the rotary bolt 54 is sunk into the containing groove 53. Thereby, the rotary bolt 54 can be directly rotated by the screwdriver, so that the input shaft 3 is driven to rotate, and the rotation of the input shaft 3 is more convenient. And the head of the rotary bolt 54 can be sunk into the accommodating groove 53, and the rotary bolt 54 is not easy to wind sundries in the process that the rotary bolt 54 rotates along with the input shaft 3.

In embodiment 2, as shown in fig. 4, since the rotation bolt 54 is screwed to the driving part 5, the rotation bolt 54 is loosened during the rotation of the driving part 5. Therefore, the driving part 5 is further provided with a closing member 6 capable of closing the accommodating groove 53, the closing member 6 comprises a closing disc 61 arranged at the end part of the driving part 5 and a closing ring 62 capable of being embedded in the accommodating groove 53, the closing ring 62 and the closing disc 61 are integrally formed, and the outer wall of the closing ring 62 can be kept attached to the inner wall of the accommodating groove 53, so that the closing member 6 is not easy to fall off from the driving part 5 when friction force between the closing ring 62 and the accommodating groove 53 is utilized. The end surface of the closing disk 61, which is close to the driving part 5, is further provided with a stopper 63, and the stopper 63 can be fitted into the head of the rotary bolt 54, thereby preventing the rotary bolt 54 from rotating.

As shown in fig. 4, in order to facilitate removal of the closing disk 61 from the driving unit 5 when the closing disk 61 is biased, an extension piece 65 is further provided on the side wall of the closing disk 61, and the extension piece 65 can be attached to the end of the driving unit 5. The outer wall of the driving part 5 is also coaxially provided with a mounting groove 55, a mounting ring 64 is sleeved in the mounting groove 55, and the mounting ring 64 is connected with one side of the sealing disc 61 away from the extending piece 65, so that after the sealing disc 61 is removed from the end part of the driving part 5, the position of the sealing disc 61 can be still limited and is not easy to fall off directly.

The implementation principle of the embodiment is as follows: when the speed reducer is connected with the driver, the input shaft 3 is aligned with the axis of the shaft of the driver, then the extension piece 65 is used for applying force to the sealing disc 61, so that the sealing disc 61 is disconnected with the driver 5, a screwdriver is inserted into the head of the rotary bolt 54, a key groove on the input shaft 3 is aligned with a key on the shaft of the driver through the rotary bolt 54 penetrating through the input shaft 3, the input shaft 3 can be connected with the shaft of the driver, and after connection is completed, the sealing disc 61 is continuously attached to the end face of the driver 5, and the sealing ring 62 is embedded in the inserting groove 51.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A high-torque parallel gear transmission speed reducer is characterized in that: the novel electric motor comprises a shell (1), a gear set (2) arranged in the shell (1), an output shaft (4) and an input shaft (3) which are rotatably connected to the shell (1), wherein the output shaft (4) and the input shaft (3) are connected to the gear set (2) and driven by the gear set (2), and one end, far away from a driving machine connected with the input shaft (3), of the input shaft (3) is provided with a driving part (5) capable of driving the input shaft (3) to rotate.

2. A high torque parallel gear reducer as defined in claim 1, wherein: the driving part (5) is arranged on the shell (1) in a penetrating way, one end of the driving part (5) is positioned outside the shell (1), and the other end of the driving part (5) is arranged in the shell (1) in a penetrating way and is connected with one end, far away from the driving machine, of the input shaft (3).

3. A high torque parallel gear reducer as defined in claim 2, wherein: the utility model discloses a drive portion (5) is close to one end of input shaft (3) and has seted up grafting groove (51), first keyway (52) have been seted up on grafting groove (51) lateral wall, be provided with first flat key (31) on input shaft (3), in input shaft (3) can wear to locate grafting groove (51), first flat key (31) can inlay in first keyway (52).

4. A high torque parallel gear reducer as defined in claim 1, wherein: one end of the driving part (5) far away from the input shaft (3) is also connected with a rotary bolt (54) in a threaded manner.

5. The high torque parallel gear reducer of claim 4, wherein: one end of the driving part (5) far away from the output shaft (4) is provided with a containing groove (53), the rotary bolt (54) is arranged in the containing groove (53), and the head part of the rotary bolt (54) is sunk into the containing groove (53).

6. The high torque parallel gear reducer of claim 5, wherein: the end face of the driving part (5) provided with the accommodating groove (53) is also provided with a sealing piece (6) capable of sealing the accommodating groove (53), the sealing piece (6) comprises a sealing disc (61) arranged at the end part of the driving part (5) and a sealing ring (62) capable of being embedded in the accommodating groove (53), the sealing disc (61) is connected with the sealing ring (62), and the outer wall of the sealing ring (62) can be attached to the inner wall of the accommodating groove (53).

7. The high torque parallel gear reducer of claim 6, wherein: an extension piece (65) is arranged on the side wall of the closing disc (61).

8. The high torque parallel gear reducer of claim 6, wherein: the outer wall of the driving part (5) is coaxially provided with a mounting groove (55), a mounting ring (64) is embedded in the mounting groove (55), and the mounting ring (64) is connected with one side of the sealing disc (61).