CN219082205U

CN219082205U - Gear box

Info

Publication number: CN219082205U
Application number: CN202222229943.4U
Authority: CN
Inventors: 孙龙
Original assignee: Qingzhou Xinrun Machinery Co ltd
Current assignee: Qingzhou Xinrun Machinery Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-05-26
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to the technical field of driving, in particular to a gear box, which comprises a shell and a gear set, wherein the gear set is arranged in an inner cavity of the shell and comprises an input gear set, an output gear set and a transmission gear set, the transmission gear set is arranged between the input gear set and the output gear set, the transmission gear set, the input gear set and the output gear set are arranged in an arc shape, the shell comprises a front shell and a rear shell, a sealing gasket is clamped between the front shell and the rear shell, a first sealing gasket and a second sealing gasket are respectively clamped between a cover plate and the rear shell, and a sealing ring is arranged in a first connecting hole of an output flange, so that the tightness of the gear box is improved, and the leakage phenomenon is avoided; the inner wall of the rear shell is provided with the reinforcing ribs, so that the firmness of the gear box is improved, the roller type bearing has better rigidity, and the service life of the gear box is prolonged.

Description

Gear box

Technical Field

The utility model relates to the technical field of driving, in particular to a gear box.

Background

Gearboxes are widely used, for example in wind power plants, and are an important mechanical component in wind power plants. The main function is to transmit the power generated by the wind wheel under the action of wind power to the generator and to make the generator obtain corresponding rotating speed.

The wind generating set gearbox is various, can be divided into a cylindrical gear speed increasing box, a planetary speed increasing box and a speed increasing box formed by combining the cylindrical gear speed increasing box and the planetary speed increasing box according to the traditional type, and can be divided into a single-stage gearbox and a multi-stage gearbox according to the transmission stage number; the arrangement according to the rotation can be divided into expansion, split-flow type, coaxial type, mixed type and the like.

The gearbox bears the acting force from the wind wheel and the counter force generated during gear transmission, and has enough rigidity to bear the action of force and moment, prevent deformation and ensure transmission quality. The gear box is good or bad directly influences the operation and the life of gear, and the seam splits or the seepage phenomenon easily appears in traditional gear box in the use, and deformation, fracture easily appear after long-term use simultaneously, and this very big influence mechanical work efficiency just has very big potential safety hazard.

Disclosure of Invention

The utility model provides a gear box, which comprises the following specific embodiments:

the utility model provides a gear box, includes shell and gear train, the gear train is installed at the inside cavity of shell, including input gear train, output gear train and drive gear train, drive gear train sets up in the middle of input gear train and output gear train, and drive gear train and input gear train and output gear train pitch arc type range, input gear train includes input shaft and input gear, the both ends of input shaft respectively with shaft coupling and shaft sleeve connection, output gear includes output shaft and output gear, and output gear includes gear wheel and pinion, and gear wheel and pinion pass through output shaft, pinion periphery cover is equipped with output flange, the output shaft both ends are connected with the bearing respectively, drive gear train includes transmission shaft and drive gear, the both ends of transmission shaft are connected with the bearing, the shell includes procapsid and backshell, it is equipped with sealing gasket to press from both sides between procapsid and the backshell, and this device compact structure, sealing gasket can prevent that the gear box from appearing the seepage phenomenon in the use.

Further, be equipped with first input shaft hole, first drive shaft hole and first output shaft hole on the preceding shells inner wall, install the axle sleeve in the first input shaft hole, first drive shaft hole and first output shaft hole are installed the bearing, are equipped with the mounting panel on the outer wall, be equipped with the mounting hole on the mounting panel, the inner wall of back casing is equipped with second input shaft hole, second drive shaft hole and second output shaft hole, and the shaft coupling is installed in the second input shaft hole, and the bearing is installed in second drive shaft hole and second output shaft hole.

Further, the periphery in second input shaft hole, second transmission shaft hole and second output shaft hole is equipped with the strengthening rib that extends to the inner wall of back casing, effectually prevents that the shell from warping.

Further, be equipped with the sealing ring in the first connecting hole of output flange, the sealing ring passes through the bolt and is connected with the one end of pinion, plays sealed effect, prevents that lubricating oil in the gear box from revealing.

Further, the second input shaft hole is provided with a cover plate, the cover plate is connected with the rear shell through bolts, and the cover plate is convenient to detach and convenient to install the inner bearing of the gear box.

Further, the second output shaft hole is provided with a sealing cover, the sealing cover is connected with the output flange through a second connecting hole, the sealing cover is connected with the rear shell through bolts, the output flange is convenient to install and detach, and meanwhile the sealing effect is achieved.

Further, the cover plate, the sealing cover and the rear shell are respectively clamped with a first sealing gasket and a second sealing gasket, so that a sealing effect is achieved.

Further, the front shell and the rear shell are connected through bolts, and the elastic gaskets are clamped between the bolt caps and the front shell or the rear shell, so that abrasion to the shell is reduced, and the bolts are prevented from falling off.

Furthermore, the bearing is a roller type bearing, and the roller type bearing has better rigidity, so that the service life of the gear box can be prolonged.

By adopting the technical scheme, the utility model has the beneficial technical effects that:

1. according to the utility model, the sealing gasket is clamped between the front shell and the rear shell, the cover plate, the sealing cover and the rear shell are respectively clamped with the first sealing gasket and the second sealing gasket, and the sealing ring is arranged in the first connecting hole of the output flange, so that the tightness of the gear box is improved, and the leakage phenomenon is avoided;

2. the inner wall of the rear shell is provided with the reinforcing ribs, so that the firmness of the gear box is improved, the service life of the gear box is prolonged, the roller type bearing has better rigidity, the deformation and fracture phenomena of the gear box are avoided, and the service life of the device is prolonged.

Drawings

FIG. 1 is a cross-sectional view of a gearbox of the present utility model;

FIG. 2 is a second cross-sectional view of a gear box according to the present utility model;

FIG. 3 is an exploded view of a portion of the gear set of the present utility model;

FIG. 4 is an exploded view of the housing of the present utility model;

FIG. 5 is a front view of the front housing of the present utility model;

FIG. 6 is a front view of the rear housing of the present utility model;

fig. 7 is a schematic structural view of a gear box according to the present utility model.

Reference numerals illustrate:

1. a shell, 2, a gear set, 3, a coupler, 4, a shaft sleeve, 5 and a bearing,

11. front shell 12, rear shell 13, sealing gasket 14, cover plate 15, sealing cover 16, reinforcing rib 17, elastic gasket,

111. the first input shaft hole, 112, the first output shaft hole, 113, the first transmission shaft hole, 114, the mounting plate, 141, the first gasket, 151, the second gasket, 152, the second connection hole,

1141. the mounting holes are arranged on the inner side of the mounting holes,

21. an input gear set, 22, an output gear set, 23, a drive gear set,

211. input shaft, 212, input gear, 221, output shaft, 222, output gear, 231, transmission shaft, 232, transmission gear, 224, output flange, 225, sealing ring

2221. The large gear, 2222, the small gear, 2241 and the first connecting hole.

Detailed Description

The following describes specific embodiments of the utility model with reference to the drawings and examples:

it should be noted that the structures, proportions, sizes, etc. shown in the drawings are merely for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims.

Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

A gear box according to the utility model will be described with reference to fig. 1 to 7:

the utility model provides a gear box, includes shell 1 and gear train 2, gear train 2 installs the inside cavity at shell 1, including input gear train 21, output gear train 22 and drive gear train 23, drive gear train 23 sets up in the middle of input gear train 21 and output gear train 22, and drive gear train 23 and input gear train 21 and output gear train 22 pitch arc type range, input gear train 21 includes input shaft 211 and input gear 212, the both ends of input shaft 211 are connected with shaft coupling 3 and axle sleeve 4 respectively, output gear train 22 includes output shaft 221 and output gear 222, output gear 222 includes gear wheel 2221 and pinion 2222, gear wheel 2221 and pinion 2222 pass through output shaft 221 to be connected, pinion 2222 periphery cover is equipped with output flange 224, output shaft 221 both ends are connected with bearing 5 respectively, drive gear train 23 includes transmission shaft 231 and drive gear 232, the both ends of transmission shaft 231 are connected with bearing 5, shell 1 includes front housing 11 and rear housing 12, the clamp is equipped with seal 13 between front housing 11 and the rear housing 12, this device compact structure, drive gear train 23 and input gear train 21 and output gear train 22 pitch arc type range reduce the bearing 13 and can take up the appearance in the process of the reduction in the area of the bearing that the appearance of the leakage phenomenon can take place in the bearing arrangement of the reduction in the shell 1 and the output gear train 22, can take up the appearance of the phenomenon in the appearance of the bearing is reduced in the process of the appearance of the bearing is of the appearance of the seal gasket has the appearance in the appearance of the bearing gasket seal gasket in the process.

The front housing 11 is provided with a first input shaft hole 111, a first transmission shaft hole 113 and a first output shaft hole 112 on the inner wall, a shaft sleeve 4 is arranged in the first input shaft hole 111, bearings 5 are arranged in the first transmission shaft hole 113 and the first output shaft hole 112, a mounting plate 114 is arranged on the outer wall, a mounting hole 1141 is arranged on the mounting plate 114, a second input shaft hole 121, a second transmission shaft hole 123 and a second output shaft hole 122 are arranged on the inner wall of the rear housing 12, a shaft coupler 3 is arranged in the second input shaft hole 121, bearings 5 are arranged in the second transmission shaft hole 123 and the second output shaft hole 122, the occupied volume of the housing 1 is small, the line is smooth, and the front housing has attractive appearance.

The second input shaft hole 121, the second transmission shaft hole 123 and the second output shaft hole 122 are provided with reinforcing ribs 16 extending to the inner wall of the rear housing 12, so that the firmness of the gear box is improved, and the service life of the gear box is prolonged.

The first connecting hole 2241 of the output flange 224 is provided with a sealing ring 225, and the sealing ring 225 is connected with one end of the pinion 2222 through a bolt, so as to play a sealing role and prevent lubricating oil in the gear box from leaking.

The second input shaft hole 121 is provided with a cover plate 14, the cover plate 14 is connected with the rear housing 12 through bolts, and the cover plate 14 is convenient to mount and dismount, so that the bearing 5 in the gearbox is convenient to mount.

The second output shaft hole 122 is provided with a sealing cover 15, the sealing cover 15 is connected with the output flange 224 through the second connecting hole 152, the sealing cover 15 is connected with the rear shell 12 through bolts, so that the output flange 224 is convenient to install and detach, and meanwhile, a sealing effect is achieved.

The cover plate 14, the sealing cover 15 and the rear housing 12 are respectively clamped with a first sealing gasket 141 and a second sealing gasket 151 to play a sealing role.

The front shell 11 and the rear shell 12 are connected through bolts, and the elastic gaskets 17 are clamped between the bolt caps and the front shell 11 or the rear shell 12, so that abrasion to the shell is reduced, and the bolts are prevented from falling off.

The bearing 5 is a roller type bearing, and the roller type bearing has better rigidity, so that the service life of the device is prolonged.

Many other changes and modifications may be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims

1. The utility model provides a gear box, includes shell (1) and gear train (2), its characterized in that, gear train (2) install the inside cavity at shell (1), including input gear train (21), output gear train (22) and drive gear train (23), drive gear train (23) set up in the middle of input gear train (21) and output gear train (22), and drive gear train (23) and input gear train (21) and output gear train (22) pitch arc type range, input gear train (21) include input shaft (211) and input gear (212), the both ends of input shaft (211) are connected with shaft coupling (3) and axle sleeve (4) respectively, and output gear train (22) include output shaft (221) and output gear (222), and output gear (222) include gear wheel (2221) and pinion (2222), and gear wheel (2221) and pinion (2222) are connected through output shaft (221), pinion (2222) periphery cover is equipped with output flange (224), output shaft (221) both ends are connected with bearing (5) respectively, drive gear train (23) include drive gear (232) and transmission shaft (231) both ends have bearing (231), the shell (1) comprises a front shell (11) and a rear shell (12), and a sealing gasket (13) is clamped between the front shell (11) and the rear shell (12).

2. A gear box according to claim 1, characterized in that the inner wall of the front housing (11) is provided with a first input shaft hole (111), a first transmission shaft hole (113) and a first output shaft hole (112), a shaft sleeve (4) is arranged in the first input shaft hole (111), bearings (5) are arranged in the first transmission shaft hole (113) and the first output shaft hole (112), the outer wall is provided with a mounting plate (114), the mounting plate (114) is provided with a mounting hole (1141), the inner wall of the rear housing (12) is provided with a second input shaft hole (121), a second transmission shaft hole (123) and a second output shaft hole (122), the second input shaft hole (121) is provided with a coupling (3), and the bearings (5) are arranged in the second transmission shaft hole (123) and the second output shaft hole (122).

3. A gearbox according to claim 2, characterised in that the periphery of the second input shaft hole (121), the second drive shaft hole (123) and the second output shaft hole (122) is provided with ribs (16) extending towards the inner wall of the rear housing (12).

4. A gearbox according to claim 1, characterised in that a sealing ring (225) is arranged in the first connection hole (2241) of the output flange (224), the sealing ring (225) being connected to one end of the pinion (2222) by means of a bolt.

5. A gearbox according to claim 2, characterised in that a cover plate (14) is provided at the second input shaft bore (121), the cover plate (14) being bolted to the rear housing (12).

6. A gear box according to claim 5, characterized in that a sealing cover (15) is arranged at the second output shaft hole (122), the sealing cover (15) is connected with the output flange (224) through a second connecting hole (152), and the sealing cover (15) is connected with the rear shell (12) through bolts.

7. A gearbox according to claim 6, characterised in that the cover plate (14) and the sealing cover (15) sandwich a first sealing gasket (141) and a second sealing gasket (151) respectively with the rear housing (12).

8. A gearbox according to claim 2, characterised in that the front housing (11) and the rear housing (12) are connected by means of bolts, the bolt caps sandwiching elastic gaskets (17) with the front housing (11) or the rear housing (12).

9. A gearbox according to claim 1, characterised in that the bearing (5) is a roller-type bearing.