Split type connecting gearbox

Abstract

The utility model provides a split type connection gearbox, and belongs to the technical field of machinery. The problem that when an existing motor is installed, a support is usually additionally arranged to be connected with a box body of a gear box, and the service life is prone to being shortened is solved. The split type connection gear box comprises a gear box shell and a motor, a flange plate connected with the motor is arranged outside the gear box shell, the motor is detachably and fixedly connected to the motor through the flange plate, the flange plate is fixedly installed on the gear box shell through fixing bolts, and an opening for a motor shaft of the motor to stretch in is formed in the gear box shell. The flange plate is of a circular structure, a connecting part is arranged at the rear end of the flange plate, a sealing part connected with the motor is arranged at the front end of the flange plate, a sealing groove used for reinforcing sealing is formed between the sealing part and the flange plate, and a through hole matched with the opening is formed in the flange plate. The utility model has the advantage of improving the connection stability of the motor and the gearbox.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to a gear box, in particular to a split-type connection gear box. Background Art

[0002] Gearboxes are widely used, for example, in wind turbines. Gearboxes are an important mechanical component that is widely used in wind turbines. Its main function is to transfer the power generated by the wind rotor to the generator and make it get the corresponding speed.

[0003] The gearbox is usually driven by a motor to transmit power through multiple gear shafts inside. However, when installing the motor, it is usually necessary to set up an additional bracket to connect it to the gearbox body. If there is an installation error on one of the contact surfaces between the body and the bracket, or between the bracket and the motor, it will easily lead to a reduction in service life. At the same time, the use of an additional bracket will reduce the fixing strength of the motor. Summary of the invention

[0004] The utility model aims to solve the above problems existing in the prior art and provides a split-type connection gearbox which improves the connection stability between the motor and the gearbox.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a split-type connected gearbox, comprising a gearbox housing and a motor, characterized in that a flange connected to the motor is arranged outside the gearbox housing, and the flange and the gearbox housing are of a split structure, the motor is detachably fixedly connected to the motor through the flange, the flange is fixedly mounted on the gearbox housing by fixing bolts, the gearbox housing is provided with an opening for the motor shaft of the power supply machine to extend into, the flange is arranged in a circular structure, a connecting portion is arranged at the rear end of the flange, the connecting portion and the flange are an integrally formed structure, a sealing portion connected to the motor is arranged at the front end of the flange, a sealing groove for strengthening the sealing is arranged between the sealing portion and the flange, the sealing portion and the flange are an integrally formed structure, and a through hole matching the opening is arranged on the flange.

[0006] In the above-mentioned split-type connection gearbox, the diameter of the through hole is the same as the diameter of the opening on the gearbox housing.

[0007] In the above-mentioned split-type connected gearbox, the flange is provided with a plurality of mounting holes 1 for connecting with the gearbox housing, and the mounting holes 1 are provided on the connecting portion, and the flange is also provided with a plurality of mounting holes 2 for connecting with the motor.

[0008] In the above-mentioned split-type connecting gearbox, the number of the mounting holes 1 and 2 is 7, the mounting holes 1 are distributed in an inner circumferential structure, and the mounting holes 2 are distributed in an outer circumferential structure.

[0009] Compared with the prior art, the motor and the gearbox in the split-type connecting gearbox are connected via a flange, so that the motor is easy to disassemble from the gearbox, and the flange and the gearbox are split structures, making overall maintenance more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 It is a structural schematic diagram of the flange in the utility model.

[0012] In the figure, 1, gear box housing; 2, flange; 3, opening; 4, connecting part; 5, sealing part; 6, sealing groove; 7, through hole; 8, mounting hole 1; 9, mounting hole 2; 10, fixing bolt. DETAILED DESCRIPTION

[0013] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0014] like Figure 1 , Figure 2 As shown, the split-type connected gearbox comprises a gearbox housing 1 and a motor, the gearbox housing 1 is provided with a flange 2 connected to the motor, and the flange 2 and the gearbox housing 1 are of a split structure, the motor is detachably fixedly connected to the motor through the flange 2, the flange 2 is fixedly mounted on the gearbox housing 1 by fixing bolts 10, the gearbox housing 1 is provided with an opening 3 for the motor shaft of the power supply machine to extend into, the flange 2 is arranged in a circular structure, the rear end of the flange 2 is provided with a connecting portion 4, the connecting portion 4 and the flange 2 are an integrally formed structure, the front end of the flange 2 is provided with a sealing portion 5 connected to the motor, a sealing groove 6 for strengthening the sealing is provided between the sealing portion 5 and the flange 2, the sealing portion 5 and the flange 2 are an integrally formed structure, and the flange 2 is provided with a through hole 7 matching the opening 3.

[0015] To be more specific, the motor is connected to the gear box housing 1 through the flange 2 and is detachable through the flange 2. The motor shaft of the motor extends into the gear box through the flange 2 to control the gear box to work, making the motor more stable during use.

[0016] In the above-mentioned split-type connected gearbox, the diameter of the through hole 7 is the same as the diameter of the opening 3 on the gearbox housing 1. The motor shaft on the motor passes through the through hole 7 on the flange 2 and extends into the gearbox housing 1, thereby driving the gearbox to work.

[0017] In the above-mentioned split-type connected gearbox, the flange 2 is provided with a plurality of mounting holes 8 connected to the gearbox housing 1, and the mounting holes 8 are provided on the connecting portion 4. The flange 2 is also provided with a plurality of mounting holes 9 connected to the motor.

[0018] In the above-mentioned split-type connecting gearbox, the number of the mounting holes 1 8 and the mounting holes 2 9 are both 7, the mounting holes 1 8 are distributed in the inner circumferential direction, and the mounting holes 2 9 are distributed in the outer circumferential direction. The circumferentially distributed mounting holes 1 8 and mounting holes 2 9 strengthen the structure of the motor connected to the flange 2, and the structure of the flange connected to the gearbox.

[0019] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0020] Although the terms such as gearbox housing 1, flange 2, opening 3, connecting portion 4, sealing portion 5, sealing groove 6, through hole 7, mounting hole 1 8, mounting hole 2 9, fixing bolt 10 are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A split-type connecting gearbox, comprising a gearbox housing (1) and a motor, characterized in that: The gearbox housing (1) is provided with a flange (2) connected to the motor, and the flange (2) and the gearbox housing (1) are of a split structure. The motor is detachably fixedly connected to the motor via the flange (2). The flange (2) is fixedly mounted on the gearbox housing (1) via fixing bolts (10). The gearbox housing (1) is provided with an opening (3) for the motor shaft of the power supply machine to extend therein. The flange (2) is arranged in a circular structure. A connecting portion (4) is arranged at the rear end of the flange (2). The connecting portion (4) and the flange (2) are arranged as an integral structure. A sealing portion (5) connected to the motor is arranged at the front end of the flange (2). A sealing groove (6) for strengthening sealing is arranged between the sealing portion (5) and the flange (2). The sealing portion (5) and the flange (2) are arranged as an integral structure. A through hole (7) matching the opening (3) is arranged on the flange (2).

2. A split connection gearbox according to claim 1, characterized in that: The diameter of the through hole (7) is the same as the diameter of the opening (3) on the gear box housing (1).

3. A split connection gearbox according to claim 1, characterized in that: The flange (2) is provided with a plurality of mounting holes (8) for connecting to the gearbox housing (1), and the mounting holes (8) are provided on the connecting portion (4). The flange (2) is also provided with a plurality of mounting holes (9) for connecting to the motor.

4. A split connection gearbox according to claim 3, characterized in that: The number of the mounting holes 1 (8) and 2 (9) is 7, the mounting holes 1 (8) are distributed in an inner circumferential structure, and the mounting holes 2 (9) are distributed in an outer circumferential structure.

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