Super-large-torque heavy-load speed reducer
The circular bearing sleeve design with a T-shaped pin and transparent covers addresses the challenges of traditional square bearing sleeves, enhancing processing accuracy and reducing costs and oil leakage, resulting in a more reliable and efficient ultra-large torque heavy-load reducer.
Patent Information
- Application Number
- CN202421191783.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-29
AI Technical Summary
Domestic ultra-large torque heavy-load reducers face challenges in performance indicators such as load capacity, vibration noise, reliability, fatigue life, and oil leakage due to high requirements for parallelism and verticality in traditional square bearing sleeves, with insufficient technical accumulation in high-end gear materials and heat treatment technologies.
The design incorporates circular bearing sleeves with a T-shaped pin and transparent covers, utilizing KISSSFOT calculation and finite element analysis for improved bearing fixing, ensuring concentricity and reducing oil leakage, while maintaining high strength and stability.
Enhances processing accuracy, reduces manufacturing and maintenance costs, improves gear meshing, and increases bearing life and reliability, resulting in a more stable and efficient ultra-large torque heavy-load reducer.
Smart Images
Figure CN222208894U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reducers, in particular to a super-large torque heavy-load reducer. Background Art
[0002] The ultra-large torque heavy-duty reducer is a continuously working reducer with large torque, high transmission ratio, high transmission efficiency and compact structure. It is a high-strength modern large gearbox, which plays a major role in metallurgy, mining, chemical industry, building materials, light industry, medicine, food, printing, packaging, environmental protection and other industries. In recent years, with the development of industrial automation, large torque reducers have been widely used in intelligent manufacturing and intelligent factories, providing reliable power support for the automated operation of production lines. In addition, ultra-large torque heavy-duty reducers are the core key basic components of my country's high-end equipment and large-scale engineering infrastructure, which can achieve matching speed and transmission torque between the prime mover and the working machine, and solve the ultra-large torque heavy-duty transmission required by the development of major national engineering construction.
[0003] The technical parameter indicators of large-torque heavy-load reducers developed by domestic enterprises are relatively close to those of foreign companies, but there is still a large gap in performance indicators such as load capacity, vibration noise, reliability, fatigue life, etc. compared with well-known foreign companies such as Flender and Sumitomo. In recent years, with the increasing demand for ultra-large torque heavy-load reducers, domestic manufacturers have gradually been involved in the development of ultra-large torque heavy-load reducers, but in the research and development of high-end gear materials and heat treatment technology, transmission system dynamics and lightweight technology, lubrication and heat dissipation and noise reduction coordinated control technology, and intelligent operation and maintenance technology, there is a lack of sufficient technical accumulation and breakthroughs, which greatly restricts the development of my country's equipment manufacturing industry. At the same time, the traditional square-shaped bearing sleeves have high requirements for parallelism and verticality, which are not easy to guarantee, and there are also errors and oil leakage in re-positioning after disassembly and assembly, but the circular bearing sleeves used this time do not have such disadvantages. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides an ultra-large torque heavy-load reducer, which aims to improve the traditional square bearing sleeves in the prior art, which have high requirements on parallelism and verticality and are not easy to guarantee, and there is also the possibility of errors and oil leakage when repositioning after disassembly and assembly. However, the circular bearing sleeves used this time do not have such shortcomings.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an ultra-large torque heavy-load reducer, including a gear shaft one, a circular gear is arranged on the left side of the top end of the gear shaft one, a circular bearing is arranged on the right side of the top end of the circular gear, a cover is engaged on the right side of the top end of the circular bearing, a gear shaft two is arranged in the middle of the bottom end of the gear shaft one, a circular bearing seat is fixedly connected to the left side of the bottom end of the gear shaft two, a pin is engaged in the middle of the right side of the circular bearing seat, an oil retaining ring is fixedly connected to the right side of the bottom end of the gear shaft two, and a transparent cover is engaged on the inner side of the oil retaining ring facing outward.
[0006] As a further description of the above technical solution:
[0007] The gear shaft 1 and the gear shaft 2 are both configured to have the same specifications.
[0008] As a further description of the above technical solution:
[0009] The top of the outer wall of the cover is made of transparent material.
[0010] As a further description of the above technical solution:
[0011] The pin is arranged in a T shape.
[0012] As a further description of the above technical solution:
[0013] The gear shaft 1 and the gear shaft 2 are made of metal.
[0014] As a further description of the above technical solution:
[0015] The right side of the outer wall of the transparent cover is made of transparent material.
[0016] As a further description of the above technical solution:
[0017] The outer walls of the circular bearings are lubricated.
[0018] The utility model has the following beneficial effects:
[0019] In the utility model, the processing difficulty is improved and the processing accuracy is improved by changing the structure and adding a circular bearing sleeve. The fixing method of the circular bearing is changed in conjunction with the KISSSFOT calculation to improve the life and reliability of the circular bearing and reduce the cost. Therefore, the circular bearing sleeve helps to reduce the manufacturing cost. At the same time, the reduction in maintenance cost also helps to reduce the overall reducer cost. The optimized bearing fixing method greatly improves the life of the circular bearing.
[0020] In the utility model, the processing difficulty is reduced and the precision is improved, so that the bearing life is increased, the gear meshing is better and the strength is higher, the risk of oil leakage is reduced, and the performance of the ultra-large torque heavy-load reducer is better and more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a front perspective view of the gear shaft of the ultra-large torque heavy-load reducer proposed by the utility model.
[0022] Legend:
[0023] 1. Cover; 2. Round bearing; 3. Round gear; 4. Gear shaft one; 5. Gear shaft two; 6. Round bearing seat; 7. Pin; 8. Oil retaining ring; 9. Transparent cover. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Please refer to the attached Figure 1 The utility model provides an embodiment: a super-large torque heavy-load reducer, including a gear shaft 4, a circular gear 3 is arranged on the left side of the top of the gear shaft 4, a circular bearing 2 is arranged on the right side of the top of the circular gear 3, a cover 1 is engaged on the right side of the top of the circular bearing 2, a gear shaft 2 5 is arranged in the middle of the bottom end of the gear shaft 4, a circular bearing seat 6 is fixedly connected to the left side of the bottom end of the gear shaft 2 5, a pin 7 is engaged in the middle of the right side of the circular bearing seat 6, an oil retaining ring 8 is fixedly connected to the right side of the bottom end of the gear shaft 2 5, and a transparent cover 9 is engaged on the inner side of the oil retaining ring 8 to the outside, the gear shaft 1 4 and the gear shaft 2 5 are set to the same specification, the top of the outer wall of the cover 1 is made of transparent material, the pin 7 is set in a T shape, the gear shaft 1 4 and the gear shaft 2 5 are made of metal material, the right side of the outer wall of the transparent cover 9 is made of transparent material, and the outer wall of the circular bearing 2 is lubricated.
[0026] Specifically, the circular gear 3 passes through the left side of the top of the gear shaft 4. The gear shaft 4 is made of high-strength alloy steel, and the surface is precision ground to ensure the meshing accuracy and durability between the gear shafts 4. The right side of the circular gear 3 is close to the circular bearing 2, which provides stable support for the gear shaft 4 during rotation and reduces friction and vibration. The right side of the top of the circular bearing 2 is engaged with the blind cover 1. The top of the outer wall of the blind cover 1 is made of transparent material. A pin 7 is engaged in the middle of the right side of the circular bearing seat 6, and the pin 7 is set in a T shape. This design not only enhances the stability of the connection, but also facilitates installation and disassembly. The transparent cover 9 is made of a material with good sealing properties, which further enhances the sealing effect of the lubricating oil and also facilitates the observation of the use of the lubricating oil.
[0027] Working principle: Usually, the two shafts of gear shaft 1 4 and gear shaft 2 5 are connected to the rollers. The raw material plate can be rolled into profiled steel after passing through the rollers. Since the steel mill requires high output and quality requirements for the reducer, innovations have been made in the structural design of the reducer, and the bearing fixing method has been optimized. The round bearing 2 is fixed through KISSSFOT calculation and finite element analysis. This will make the overall bearing life of the gearbox longer and more reliable. At the same time, the verticality requirements are very high, including great difficulty in assembly. The 2 holes of the round bearing are often not concentric, which will lead to a decrease in bearing life and the risk of oil leakage.
[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. Ultra-high torque heavy-duty reducer, including gear shaft one (4), Features: A circular gear (3) is arranged on the left side of the top end of the gear shaft (4), a circular bearing (2) is arranged on the right side of the top end of the circular gear (3), a cover (1) is engaged with the right side of the top end of the circular bearing (2), a gear shaft (5) is arranged on the middle part of the bottom end of the gear shaft (4), a circular bearing seat (6) is fixedly connected to the left side of the bottom end of the gear shaft (5), a pin (7) is engaged with the middle part of the right side of the circular bearing seat (6), an oil retaining ring (8) is fixedly connected to the right side of the bottom end of the gear shaft (5), and a transparent cover (9) is engaged with the inner side of the oil retaining ring (8) facing outward.
2. The ultra-large torque heavy-load reducer according to claim 1, Features: The gear shaft one (4) and the gear shaft two (5) are both configured to have the same specifications.
3. The ultra-large torque heavy-load reducer according to claim 1, Features: The top end of the outer wall of the cover (1) is made of a transparent material.
4. The ultra-large torque heavy-load reducer according to claim 1, Features: The pin (7) is configured in a T shape.
5. The ultra-large torque heavy-load reducer according to claim 1, Features: The gear shaft 1 (4) and the gear shaft 2 (5) are made of metal.
6. The ultra-large torque heavy-load reducer according to claim 1, Features: The right side of the outer wall of the transparent cover (9) is made of a transparent material.
7. The ultra-large torque heavy-load reducer according to claim 1, Features: The outer walls of the circular bearings (2) are lubricated.