Gearbox for high-speed turbine

The gearbox with optimized combined structure and connection method solves the problems of friction noise and meshing accuracy during high-speed operation of high-speed turbines, and achieves stability and convenience of disassembly and assembly.

CN223344632UActive Publication Date: 2025-09-16JIANGSU LUHANG POWER TECH CO LTD
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Patent Information

Application Number
CN202423142562.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-09-16
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

When a high-speed turbine is running at high speed, the gearbox is prone to friction noise, and the stability of the center shaft affects the meshing accuracy, making disassembly and assembly time-consuming and labor-intensive.

Method used

A combined structure including a first box body, a second box body, a third box body and an anti-slip pad is designed. The structures are connected by bolts and sleeves. Sealing rings and anti-slip pads are provided to improve stability. Removable bearing seats and auxiliary frames are used to enhance support and precision.

Benefits of technology

It reduces friction noise, improves meshing accuracy and rotation stability, facilitates disassembly and transportation, and reduces the difficulty of disassembly and assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gear boxes, in particular to a gear box for a high-speed turbine, which comprises a first box body, a second box body, a third box body and a non-slip mat, the lower end of the first box body is connected with the non-slip mat, the upper end of the first box body is connected with the second box body, and the upper end of the second box body is connected with the third box body. Multiple sets of reinforcing plates are arranged on the front face and the back face of the exterior of the first box body, first mounting grooves are formed in the middles of the front faces of the first box body and the second box body, first bearing seats are connected to the interiors of the first box body and the third box body, and bearing grooves are formed in the upper portions of the front faces and the back faces of the first bearing seats; auxiliary frames are connected to the two sides of the first bearing seat, a second bearing seat is arranged at the position, close to the back face, in the first box body, mounting plates are arranged at the lower end of the first box body, the upper end of the third box body and the lower end and the upper end of the second box body, and sealing rings are connected to the mounting plates.
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Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to a gear box for a high-speed turbine. Background Art

[0002] When a high-speed turbine is running at high speed, friction noise is likely to occur in various parts of the gearbox. In addition, the stability of the central axis of the gear during high-speed operation affects the meshing accuracy of each set of gears. After overall wear, disassembly and assembly is time-consuming and labor-intensive.

[0003] Therefore, there is a need to design a gearbox for a high-speed turbine to solve the above-mentioned problems in the background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art and to propose a gear box for a high-speed turbine.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A gearbox for a high-speed turbine includes a first housing, a second housing, a third housing, and an anti-slip pad. The lower end of the first housing is connected to the anti-slip pad, the upper end of the first housing is connected to the second housing, and the upper end of the second housing is connected to the third housing.

[0007] The front and back of the first box body are both provided with multiple sets of reinforcement plates, and the middle of the front of the first box body and the second box body are both provided with a first installation groove;

[0008] The first housing and the third housing are both connected to a first bearing seat, the front and back upper parts of the first bearing seat are provided with a bearing slot, both sides of the first bearing seat are connected to an auxiliary frame, and the inside of the first housing is provided with a second bearing seat near the back;

[0009] The lower end of the first box body, the upper end of the third box body, and the lower and upper ends of the second box body are all provided with mounting plates, and the mounting plates are connected to sealing rings;

[0010] A second mounting groove is provided in the middle of the front and back of each of the first and second boxes;

[0011] A hanging plate is provided in the middle of the upper end of the third box body.

[0012] As a preferred solution of the present invention, the first box body, the second box body and the third box body are all connected by bolts.

[0013] As a preferred solution of the present invention, the third box and the anti-slip pad are connected by a sleeve connection.

[0014] As a preferred solution of the present invention, the mounting plate and the sealing ring are connected by a sleeve connection.

[0015] As a preferred solution of the present invention, the first bearing seat, the second bearing seat and the central axis of the gear are connected via bearings.

[0016] As a preferred solution of the present invention, the auxiliary frame, the first bearing seat, the second bearing seat and the first box body and the third box body are all connected by bolts.

[0017] To sum up, the technical effects and advantages of the utility model are as follows: the gearbox for a high-speed turbine is a combined structure as a whole, which is convenient for disassembly, transportation and adjustment, and the sealing rings provided at each connection and the anti-slip pads at the bottom can effectively improve the stability of the connection, reduce displacement, and thus reduce the friction noise at the connection. When the high-speed turbine is running, the first bearing seat can form an effective support for the upper and lower parts of the whole, improve the stability during rotation, improve the accuracy of the meshing, reduce offset, and the first bearing seat is a detachable structure, which is convenient for replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The overall structure of the utility model Figure 1 ;

[0019] Figure 2 The overall structure of the utility model Figure 2 ;

[0020] Figure 3 This is a structural diagram of the third box body of the present utility model;

[0021] Figure 4 This is a structural diagram of the second box body of the present utility model;

[0022] Figure 5 This is the first box structure diagram of the present utility model.

[0023] In the figure: 1. First box body; 101. Reinforcement plate; 102. First mounting groove; 103. Auxiliary frame; 104. Bearing groove; 105. First bearing seat; 106. Second bearing seat; 2. Second box body; 201. Sealing ring; 202. Mounting plate; 203. Second mounting groove; 3. Third box body; 301. Lifting plate; 4. Anti-slip pad. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Reference Figure 1-Figure 5, a gearbox for a high-speed turbine, comprising a first housing 1, a second housing 2, a third housing 3 and an anti-slip pad 4, wherein the lower end of the first housing 1 is connected to the anti-slip pad 4, the upper end of the first housing 1 is connected to the second housing 2, and the upper end of the second housing 2 is connected to the third housing 3; a plurality of reinforcing plates 101 are provided on the front and back of the first housing 1, and a first mounting groove 102 is provided in the middle of the front of the first housing 1 and the second housing 2; the interior of the first housing 1 and the third housing 3 are both connected to a first bearing seat 105, the first bearing seat Bearing grooves 104 are provided at the upper parts of the front and back of 105, auxiliary frames 103 are connected on both sides of the first bearing seat 105, and a second bearing seat 106 is provided inside the first box body 1 near the back; the lower end of the first box body 1, the upper end of the third box body 3, and the lower and upper ends of the second box body 2 are provided with mounting plates 202, and a sealing ring 201 is connected to the mounting plate 202; a second mounting groove 203 is provided in the middle of the front and back of the first box body 1 and the second box body 2; a hanging plate 301 is provided in the middle of the upper end of the third box body 3.

[0026] Reference Figure 1-Figure 5 When a high-speed turbine is running at high speed, friction noise is likely to occur in various parts of the gearbox, and the stability of the central axis of the gear during high-speed operation affects the meshing accuracy of each group of gears. Disassembly and assembly after overall wear is time-consuming and labor-intensive. The first housing 1, the second housing 2 and the third housing 3 are all connected by bolts, the third housing 3 and the anti-slip pad 4 are connected by a socket connection, and the mounting plate 202 and the sealing ring 201 are connected by a socket connection. The overall structure is a combined structure, which is convenient for disassembly, assembly, transportation and adjustment, and the sealing ring 201 provided at each connection and the anti-slip pad 4 at the bottom can effectively improve the stability of the connection, reduce displacement, and thus reduce the friction noise at the connection.

[0027] Reference Figure 1-Figure 5 The first bearing seat 105, the second bearing seat 106 and the central axis of the gear are connected by bearings, and the auxiliary frame 103, the first bearing seat 105, the second bearing seat 106 and the first housing 1 and the third housing 3 are all connected by bolts. When the high-speed turbine is running, the first bearing seat 105 can form an effective support for the upper and lower parts of the whole, improve the stability during rotation, improve the accuracy of the meshing, reduce offset, and the first bearing seat 105 is a detachable structure for easy replacement.

[0028] Working principle: The first housing 1, the second housing 2 and the third housing 3 of the gearbox for a high-speed turbine are connected by bolts, the third housing 3 and the anti-slip pad 4 are connected by a socket connection, and the mounting plate 202 and the sealing ring 201 are connected by a socket connection. The overall structure is a combined structure, which is convenient for disassembly, transportation and adjustment. The sealing ring 201 and the anti-slip pad 4 at the bottom provided at each connection can effectively improve the stability of the connection, reduce displacement, and thus reduce the friction noise at the connection. The first bearing seat 105, the second bearing seat 106 and the central axis of the gear are connected by bearings, and the auxiliary frame 103, the first bearing seat 105, the second bearing seat 106 and the first housing 1 and the third housing 3 are all connected by bolts. When the high-speed turbine is running, the first bearing seat 105 can form an effective support for the upper and lower parts of the whole, improve the stability during rotation, improve the accuracy of the meshing, reduce offset, and the first bearing seat 105 is a detachable structure for easy replacement.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gearbox for a high-speed turbine, comprising a first housing (1), a second housing (2), a third housing (3) and an anti-slip pad (4), characterized in that: The lower end of the first box (1) is connected to an anti-slip pad (4), the upper end of the first box (1) is connected to the second box (2), and the upper end of the second box (2) is connected to the third box (3); The first box body (1) is provided with a plurality of reinforcing plates (101) on the front and back of the exterior, and a first mounting groove (102) is provided in the middle of the front of each of the first box body (1) and the second box body (2); The first housing (1) and the third housing (3) are both connected to a first bearing seat (105), the first bearing seat (105) is provided with a bearing groove (104) at the upper portion of the front and back sides, the first bearing seat (105) is connected to auxiliary frames (103) on both sides, and a second bearing seat (106) is provided near the back side of the first housing (1); The lower end of the first box body (1), the upper end of the third box body (3), and the lower and upper ends of the second box body (2) are all provided with mounting plates (202), and a sealing ring (201) is connected to the mounting plate (202); A second mounting groove (203) is provided in the middle of the front and back of each of the first box body (1) and the second box body (2); A hanging plate (301) is provided in the middle of the upper end of the third box body (3).

2. The gearbox for a high-speed turbine according to claim 1, characterized in that: The first box body (1), the second box body (2) and the third box body (3) are all connected via bolts.

3. The gearbox for a high-speed turbine according to claim 1, characterized in that: The third box (3) and the anti-slip pad (4) are connected via a sleeve connection.

4. The gearbox for a high-speed turbine according to claim 1, characterized in that: The mounting plate (202) and the sealing ring (201) are connected via a sleeve connection.

5. The gearbox for a high-speed turbine according to claim 1, characterized in that: The first bearing seat (105), the second bearing seat (106) and the central axis of the gear are connected via bearings.

6. The gearbox for a high-speed turbine according to claim 1, characterized in that: The auxiliary frame (103), the first bearing seat (105), the second bearing seat (106), the first box body (1), and the third box body (3) are all connected via bolts.