CN210218596U

CN210218596U - High-speed-ratio gear box

Info

Publication number: CN210218596U
Application number: CN201920873343.7U
Authority: CN
Inventors: Linghao Zhu; 朱凌豪
Original assignee: Wuxi Haihe Machinery Co Ltd
Current assignee: Wuxi Haihe Machinery Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-31
Anticipated expiration: 2029-06-11

Abstract

The utility model provides a large speed ratio gear box, including the gearbox body, input shaft and output shaft, the internal parallel arrangement of gear box has input shaft and output shaft, be equipped with a gear shaft and No. two gear shafts that are also parallel to each other between input shaft and the output shaft, input shaft and a gear shaft, respectively through gear interconnect between No. two gear shafts and the output shaft, through gear interconnect between a gear shaft and No. two gear shafts, through gear interconnect between No. two gear shafts and the output shaft, the input shaft, be connected with driving belt between a gear shaft and No. two gear shafts, be connected with driving belt between No. two gear shafts and the output shaft, but the cover is equipped with axially sliding's duplicate gear on the input shaft, the one end of duplicate gear is connected with the fork. The utility model discloses simple structure, convenient operation, gear motor rotational speed has increased substantially, has removed the inconvenience of installing many speed reducers from.

Description

High-speed-ratio gear box

Technical Field

The utility model relates to a variable-speed motor field especially relates to a big velocity ratio gear box.

Background

In order to complete the great speed reduction of the motor, a plurality of speed reducers are required to be installed to achieve the purpose of speed reduction, and then once the number of the speed reducers is increased, the installation difficulty is increased, and the production efficiency is reduced.

Published chinese utility model patent, application No. CN200920023182.9, patent name: a vertical shaft gearbox, application date: 2009-03-03, the utility model relates to a vertical shaft gear box, which has simple structure and comprises a main spindle box, wherein the main spindle box is provided with a gear box, a sliding transmission gear shaft is arranged in the gear box in a relative rotation way, and a sliding gear is arranged on the sliding transmission gear shaft in a sliding way; the epaxial division of transmission gear that slides has epaxial location hole, epaxial location hole is epaxial position and first power take off gear, the second power take off gear is corresponding at the transmission gear that slides, it has the in-wheel locating hole to open on the sliding gear, in-wheel locating hole is equipped with in-wheel location spring, in-wheel location spring one end is equipped with in-wheel location pearl, in-wheel location pearl top is in epaxial location hole, in-wheel location spring other end is equipped with in-wheel location end cap, in-wheel location end cap and sliding gear threaded connection. The utility model relates to a vertical scroll speed change mechanism, its power output shaft, slip drive gear axle and motor input shaft are parallel to each other, and perpendicular to horizontal plane, have solved the out-of-gear problem that the slip gear produced because of the dead weight through twice location in the primary operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-speed ratio gear box, which aims at the defects of the prior art and comprises a gear box body 1, an input shaft 2 and an output shaft 3, wherein the input shaft 2 and the output shaft 3 are arranged in the gear box body 1 in parallel,

a first gear shaft 4 and a second gear shaft 5 which are also parallel to each other are arranged between the input shaft 2 and the output shaft 3, the input shaft 2 and the first gear shaft 4, the second gear shaft 5 and the output shaft 3 are respectively connected with each other through gears,

the first gear shaft 4 and the second gear shaft 5 are connected with each other through gears,

the second gear shaft 5 and the output shaft 3 are connected with each other through a gear,

a transmission belt is connected among the input shaft 2, the first gear shaft 4 and the second gear shaft 5,

a transmission belt is connected between the second gear shaft 5 and the output shaft 3,

the input shaft 2 is sleeved with a duplicate gear 6 capable of axially sliding, and one end of the duplicate gear 6 is connected with a shifting fork 7.

Preferably, gears are mounted on the front and rear sides of the first gear shaft 4 and the second gear shaft 5.

Preferably, gears are mounted on the second gear shaft 5 and the output shaft 3 at the front and rear sides.

Preferably, the shifting fork 7 is connected to one side of the duplicate gear 6 close to the inner wall of the gear box body 1.

Preferably, the shift fork 7 is arranged on one side of the vertical surface of the gear housing 1 close to the input shaft 2.

Preferably, the length of the input shaft 2 disposed within the gear housing 1 is less than the perpendicular length of the duplicate gear 6 to the side of the gear housing 1 to which the input shaft 2 is mounted.

Preferably, the first gear shaft 4, the second gear shaft 5 and the output shaft 3 are arranged at the same interval.

The utility model has the advantages that: simple structure, convenient operation, the gear motor rotational speed has been reduced by a wide margin, has removed the inconvenience of installing many speed reducers from.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the internal structure of the present invention;

in the figure, the position of the upper end of the main shaft,

1. a gear housing; 2. an input shaft; 3. an output shaft; 4. a first gear shaft; 5. a second gear shaft; 6. a duplicate gear; 7. and (4) shifting a fork.

Detailed Description

As shown in fig. 1-2, the present invention comprises: the gearbox body 1, the input shaft 2 and the output shaft 3 are arranged in the gearbox body 1 in parallel,

In use, the speed reducer is used on a large-caliber ultra-thick welding pipeline, the rotating speed of the motor is greatly reduced, the rotating speed of the motor is reduced by about 15 times through 10-gear speed change, and the inconvenience of installing a plurality of speed reducers is avoided.

In the present embodiment, gears are preferably attached to the first gear shaft 4 and the second gear shaft 5 at both front and rear sides.

The gear with the structure arranged front and back is convenient for balancing the transmitted force, and the stability during rotation is ensured.

In this embodiment, gears are preferably attached to both the second gear shaft 5 and the output shaft 3.

In the present embodiment, the shift fork 7 is preferably connected to the side of the dual gear 6 close to the inner wall of the gear housing 1.

In the present embodiment, the shift fork 7 is preferably disposed on a side of a vertical surface of the gear housing 1 close to the input shaft 2.

By adopting the structure, the hand-held handle of the shifting fork 7 is arranged on the outer side surface of the gear box body 1, so that the operation and adjustment of personnel are facilitated.

In the present embodiment, it is preferable that the length of the input shaft 2 provided in the gear housing 1 is smaller than the vertical length of the duplicate gear 6 from the side of the gear housing 1 to which the input shaft 2 is attached.

By adopting the structure, the input shaft 2 has the function that the position is close to the length of one side of the box body, the length of the input shaft 2 is reduced, the material of the input shaft 2 is saved, and the cost is reduced.

In the present embodiment, the first gear shaft 4, the second gear shaft 5 and the output shaft 3 are preferably arranged at the same interval.

The first gear shaft 4, the second gear shaft 5 and the output shaft 3 are arranged at equal intervals, so that the transmitted force is balanced.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. A large-speed-ratio gearbox is characterized by comprising a gearbox body (1), an input shaft (2) and an output shaft (3), wherein the input shaft (2) and the output shaft (3) are arranged in the gearbox body (1) in parallel, a first gear shaft (4) and a second gear shaft (5) which are also parallel to each other are arranged between the input shaft (2) and the output shaft (3), the input shaft (2) and the first gear shaft (4), the second gear shaft (5) and the output shaft (3) are connected with each other through gears respectively, the first gear shaft (4) and the second gear shaft (5) are connected with each other through gears, the second gear shaft (5) and the output shaft (3) are connected with each other through gears, a transmission belt is connected among the input shaft (2), the first gear shaft (4) and the second gear shaft (5), and the second gear shaft (5) and the output shaft (3) are connected with each other, the input shaft (2) is sleeved with a duplicate gear (6) capable of axially sliding, and one end of the duplicate gear (6) is connected with a shifting fork (7).

2. A high ratio gearbox according to claim 1 wherein: gears are arranged on the front and the back of the first gear shaft (4) and the second gear shaft (5).

3. A high ratio gearbox according to claim 2 wherein: gears are arranged at the front and the back of the second gear shaft (5) and the output shaft (3).

4. A high ratio gearbox according to claim 3 wherein: the shifting fork (7) is connected to one side of the duplicate gear (6) close to the inner wall of the gear box body (1).

5. A high ratio gearbox according to claim 4 wherein: the shifting fork (7) is arranged on one side, close to the input shaft (2), of the vertical surface of the gear box body (1).

6. A high ratio gearbox according to claim 5 wherein: the length of the input shaft (2) arranged in the gear box body (1) is smaller than the vertical length of the duplicate gear (6) and one side of the gear box body (1) provided with the input shaft (2).

7. A high ratio gearbox according to claim 6 wherein: the distances among the first gear shaft (4), the second gear shaft (5) and the output shaft (3) are the same.