Combined speed reducer adopting steel plate welding box body and hard tooth surface gear for transmission

By using a welded steel plate housing and hardened gear transmission in the combined reducer, and combining it with a specific structural design, the problems of difficult lubrication system maintenance, complex bearing housing installation, and poor sealing effect of the inspection hole were solved, thus achieving simplified bearing installation, improved lubrication effect, and stable equipment operation.

CN223524371UActive Publication Date: 2025-11-07GUANGDONG TAIDU STEEL CO LTD
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Patent Information

Application Number
CN202423257737.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-07
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Traditional lubrication systems are difficult to maintain and have unsatisfactory lubrication effects. The bearing housing is complicated to install and adjust, and the sight glass of the reducer has poor sealing performance, making maintenance difficult.

Method used

The combined reducer, which uses a welded steel plate housing and hardened gear transmission, is designed with an upper bearing housing, a lower bearing housing, fixing bolts, a motor, an output shaft, bearings, lubrication components, and an observation hole. This design simplifies bearing installation and enables real-time monitoring of the lubrication system. Combined with a sealed observation cover and connecting rope, the reducer provides good sealing, and an oil slinger ring reduces lubricant waste.

Benefits of technology

It simplifies the installation and maintenance process of bearings, ensures the normal operation of the lubrication system, extends bearing life, reduces friction and wear, and enables real-time monitoring of the lubrication system and normal operation of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of improvement of mechanical equipment lubricating systems, bearing seat mounting and adjusting structures and speed reducer observation holes, and discloses a combined speed reducer adopting a steel plate welding box body and a hard tooth surface gear for transmission, which comprises a mounting seat, a lower bearing seat is fixedly mounted at the upper part of the mounting seat, and a lower bearing seat is mounted at the lower part of the mounting seat. An upper bearing seat is arranged on the upper portion of the lower bearing seat, fixing bolts are arranged on the front side and the rear side of the interior of the lower bearing seat, nuts are arranged outside the fixing bolts, a motor is fixedly connected to the right portion of the upper bearing seat and the right portion of the lower bearing seat, and an output shaft is fixedly connected to the output end of the motor. A bearing is arranged outside the output shaft, and limiting grooves are formed in the upper side and the lower side of the bearing. According to the utility model, the installation and fixation of the bearing, the effective operation of a lubricating system and the real-time monitoring of an oil path are realized, so that the normal operation and the reliability of mechanical equipment are ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment lubrication system, bearing seat installation adjustment structure and speed reducer observation hole improvement technical field, especially related to the joint speed reducer of steel plate welded box body and hard tooth surface gear drive. BACKGROUND

[0002] At present, lubrication system is widely used in mechanical equipment, but the traditional lubrication system has the problems of difficult maintenance, unsatisfactory lubrication effect and the like. At the same time, the installation and adjustment process of the bearing seat is relatively complex, which affects the operation efficiency of the equipment. The sealing effect and maintainability of the speed reducer observation hole also need to be improved.

[0003] The traditional lubrication system usually adopts simple oil circuit design, lacks standby oil circuit and real-time monitoring function. The installation and adjustment of the bearing seat usually adopt conventional methods, and no special design is made for the optimization process. The speed reducer observation hole is usually sealed by adhesive, which is difficult to maintain and the sealing effect is general. Therefore, the joint speed reducer of steel plate welded box body and hard tooth surface gear drive is provided by the person skilled in the art to solve the problems in the above background technology. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a joint speed reducer of steel plate welded box body and hard tooth surface gear drive, which aims at improving the problems in the prior art that the traditional lubrication system cannot be maintained, the lubrication effect is unsatisfactory, the installation and adjustment process of the bearing seat is complex, and the sealing effect of the speed reducer observation hole is poor and difficult to maintain.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] The joint speed reducer of steel plate welded box body and hard tooth surface gear drive comprises a mounting seat, a lower bearing seat is fixedly installed on the upper part of the mounting seat, an upper bearing seat is arranged on the upper part of the lower bearing seat, fixed bolts are arranged on the front and rear sides of the lower bearing seat, nuts are arranged outside the fixed bolts, an electric motor is fixedly connected to the right parts of the upper bearing seat and the lower bearing seat, an output shaft is fixedly connected to the output end of the electric motor, a bearing is arranged outside the output shaft, limit grooves are formed on the upper and lower sides of the bearing, springs are fixedly connected to the interiors of the upper bearing seat and the lower bearing seat, limit plates are fixedly connected to the inner sides of the springs, and a lubrication assembly is arranged in the interiors of the upper bearing seat and the lower bearing seat.

[0007] By the above technical scheme, in use, the fixed bolts on the upper bearing seat and the lower bearing seat are loosened by rotating the nut, then the bearing is placed between the upper bearing seat and the lower bearing seat, at this time, the limiting plate is inserted into the limiting groove on the surface of the bearing under the elastic force of the spring, limiting the bearing to avoid rotation of the bearing in use, then the nut is rotated to fix and complete the installation of the bearing, facilitating installation and maintenance operation, and the output shaft of the motor is driven to rotate by starting the motor, effectively transmitting power and torque to ensure normal operation of the equipment.

[0008] Further, the lubricating assembly comprises an oil injection port arranged in the interior of the upper bearing seat, an oil return channel is arranged in the interior of the lower bearing seat, an oil injection channel is fixedly communicated with the lower part of the oil injection port, a main oil passage is fixedly communicated with the lower part of the oil injection channel, and a branch oil passage is arranged on both sides of the lower part of the oil injection port.

[0009] By the above technical scheme, in use, the bearing is lubricated by the oil injection port, the lubricating liquid is injected into the interior, the lubricating liquid enters the interior of the bearing through the oil injection channel and the main oil passage, and the lubricating liquid enters both ends of the bearing through the branch oil passage for lubrication, and the excess lubricating liquid enters the interior of the device through the oil return channel, which helps to prolong the service life of the bearing and ensure the normal operation of the equipment.

[0010] Further, an observation hole is arranged in the upper part of the upper bearing seat, a sealing observation cover is arranged in the upper part of the observation hole, a connecting rope is fixedly connected to the left part of the sealing observation cover, and the connecting rope is fixedly connected to the upper part of the upper bearing seat.

[0011] By the above technical scheme, the sealing observation cover is pulled out, the staff can monitor the oil passage in real time through the observation hole, the sealing observation cover has good sealing performance, and the sealing observation cover is connected through the connecting rope, so that maintenance and monitoring work can be carried out.

[0012] Further, the lower part of the bearing is provided with an oil throwing ring.

[0013] By the above technical scheme, the oil throwing ring is arranged, which helps to reduce the waste of lubricant and environmental pollution, and keep the machine running environment clean.

[0014] Further, the outside of the bearing is provided with a bearing sleeve.

[0015] By the above technical scheme, the bearing sleeve is arranged to prevent external impurities, dust, moisture and the like from entering the interior of the bearing.

[0016] Further, the limiting plate is slidingly connected in the interior of the limiting groove.

[0017] By the above technical scheme, the limiting plate is slidingly connected in the interior of the limiting groove, and the bearing can be limited.

[0018] Further, the nut is threadedly connected outside the fixing bolt.

[0019] Through the above technical scheme, the upper bearing seat and the lower bearing seat are fixed by the nut threadedly connected outside the fixing bolt.

[0020] Further, the output shaft is rotatably connected inside the upper bearing seat and the lower bearing seat.

[0021] Through the above technical scheme, the power and the torque are effectively transmitted by the output shaft rotating inside the upper bearing seat and the lower bearing seat, so that the normal operation of the equipment is ensured.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. In the utility model, the upper bearing seat, the fixing bolt, the lower bearing seat, the output shaft, the limiting groove, the limiting plate, the spring and the bearing are matched, the fixing bolt is loosened by rotating the nut, then the bearing is placed between the upper bearing seat and the lower bearing seat, and the limiting plate is used to limit the bearing, so that the bearing is installed in the correct position.

[0024] 2. In the utility model, the oil inlet, the oil return channel, the oil injection channel, the main oil circuit, the oil distribution circuit, the sealing observation cover, the observation hole and the connecting rope are matched, so that the bearing can be fully lubricated during operation, the friction and wear are reduced, the service life is prolonged, the oil circuit condition is monitored in real time through the observation hole, the lubricating system is ensured to normally operate, the abnormal condition is found and handled in time, and the normal operation of the equipment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A perspective view of a combined speed reducer adopting a steel plate welded box body and a hard tooth surface gear transmission is provided for the utility model;

[0026] Figure 2 An internal structure schematic view of the combined speed reducer adopting the steel plate welded box body and the hard tooth surface gear transmission is provided for the utility model;

[0027] Figure 3 A partial structure schematic view of the combined speed reducer adopting the steel plate welded box body and the hard tooth surface gear transmission is provided for the utility model.

[0028] LEGEND:

[0029] 1, sealed observation cover; 2, motor; 3, mounting seat; 4, lower bearing seat; 5, output shaft; 6, upper bearing seat; 7, connecting rope; 8, bearing sleeve; 9, oil distribution; 10, oil injection port; 11, oil injection channel; 12, main oil way; 13, bearing; 14, oil return channel; 15, spring; 16, limit plate; 17, fixing bolt; 18, limit groove; 19, nut; 20, oil throwing ring; 21, observation hole. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Referring to Figure 1 and Figure 3 An embodiment provided by the utility model:

[0032] The combined speed reducer adopting the steel plate welded box body and the hard tooth surface gear transmission comprises a mounting seat 3, a lower bearing seat 4 is fixedly installed on the upper portion of the mounting seat 3, an upper bearing seat 6 is arranged on the upper portion of the lower bearing seat 4, fixing bolts 17 are arranged on the front and rear sides in the lower bearing seat 4, nuts 19 are arranged on the outer portions of the fixing bolts 17, a motor 2 is fixedly connected to the right portions of the upper bearing seat 6 and the lower bearing seat 4, an output shaft 5 is fixedly connected to the output end of the motor 2, bearings 13 are arranged on the outer portions of the output shaft 5, limit grooves 18 are formed on the upper and lower sides of the bearings 13, springs 15 are fixedly connected to the interiors of the upper bearing seat 6 and the lower bearing seat 4, limit plates 16 are fixedly connected to the inner sides of the springs 15, and lubricating assemblies are arranged in the interiors of the upper bearing seat 6 and the lower bearing seat 4.

[0033] In use, the fixing bolts 17 on the upper bearing seat 6 and the lower bearing seat 4 are loosened by rotating the nuts 19, then the bearings 13 are placed between the upper bearing seat 6 and the lower bearing seat 4, at this time, the limit plates 16 are inserted into the limit grooves 18 on the surfaces of the bearings 13 under the elastic pushing of the springs 15, the bearings 13 are limited, the bearings 13 are prevented from rotating in use, then the installation of the bearings 13 is completed by rotating the nuts 19 for fixing, the installation and maintenance operations are facilitated, the motor 2 is started, the output shaft 5 is driven to rotate by the output end of the motor 2, the power and the torque are effectively transmitted, and the normal work of the equipment is ensured.

[0034] Referring to Figure 1 and Figure 2The lubricating assembly comprises an oil injection port 10 arranged in the inner portion of the upper bearing seat 6, an oil return channel 14 arranged in the inner portion of the lower bearing seat 4, an oil injection channel 11 fixedly communicated with the lower portion of the oil injection port 10, a main oil path 12 fixedly communicated with the lower portion of the oil injection channel 11, and a split oil path 9 arranged at the lower portion of the oil injection port 10.

[0035] In use, the bearing 13 is lubricated through the oil injection port 10, and the lubricating liquid is injected into the inner portion of the bearing 13, and then enters the inner portion of the bearing 13 through the oil injection channel 11 and the main oil path 12, and then enters the two ends of the bearing 13 through the split oil path 9 for lubrication, and the excess lubricating liquid enters the inner portion of the device through the oil return channel 14, which helps to prolong the service life of the bearing 13 and ensure the normal operation of the equipment.

[0036] With reference to Figure 1 The upper portion of the upper bearing seat 6 is provided with an observation hole 21, and the upper portion of the observation hole 21 is provided with a sealing observation cover 1, and the left portion of the sealing observation cover 1 is fixedly connected with a connecting rope 7, and the connecting rope 7 is fixedly connected to the upper portion of the upper bearing seat 6.

[0037] By pulling out the sealing observation cover 1, the worker can monitor the oil path in real time through the observation hole 21, and the sealing observation cover 1 has good sealing performance and is connected through the connecting rope 7 for maintenance and monitoring work.

[0038] With reference to Figure 1 , Figure 2 and Figure 3 The lower portion of the bearing 13 is provided with a flinger 20, the outer portion of the bearing 13 is provided with a bearing sleeve 8, the limiting plate 16 is slidingly connected in the limiting groove 18, the nut 19 is threadedly connected to the outer portion of the fixed bolt 17, and the output shaft 5 is rotationally connected in the inner portions of the upper bearing seat 6 and the lower bearing seat 4.

[0039] The flinger 20 helps to reduce the waste of lubricant and environmental pollution, and keeps the machine running environment clean, the bearing sleeve 8 can prevent external impurities, dust, moisture and the like from entering the inner portion of the bearing 13, the limiting plate 16 is slidingly connected in the limiting groove 18, which can limit the bearing 13, the nut 19 is threadedly connected to the outer portion of the fixed bolt 17, which can fix the upper bearing seat 6 and the lower bearing seat 4, and the output shaft 5 is rotationally connected in the inner portions of the upper bearing seat 6 and the lower bearing seat 4, which can effectively transmit power and torque, and ensure the normal operation of the equipment.

[0040] Working principle: in use, by rotating the nut 19, so that the upper bearing seat 6 and the lower bearing seat 4 on the fixed bolt 17 loose, then the bearing 13 is put into the upper bearing seat 6 and the lower bearing seat 4, at this time, the limiting plate 16 is inserted into the limiting groove 18 on the surface of the bearing 13 under the elastic force of the spring 15, the bearing 13 is limited, avoid the bearing 13 in use, then rotate the nut 19 and complete the installation of the bearing 13, in the process of use, through the oil inlet 10 to the bearing 13 lubrication, lubricating liquid is injected into the inside, lubricating liquid passes through the oil channel 11 and the main oil way 12 into the inside of the bearing 13, lubricating liquid along the oil distribution road 9 enters the both ends of the bearing 13 for lubrication, the excess lubricating liquid along the oil return channel 14 into the device inside, through pulling out the sealing observation cover 1, the staff can real-time monitoring oil way through the observation hole 21.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A combined speed reducer using a steel plate welded box and a hard tooth surface gear transmission, comprising a mounting seat (3), characterized in that: The upper part of the mounting seat (3) is fixedly provided with a lower bearing seat (4), the upper part of the lower bearing seat (4) is provided with an upper bearing seat (6), the front and rear sides of the inside of the lower bearing seat (4) are both provided with fixed bolts (17), the outside of the fixed bolts (17) is provided with nuts (19), the right part of the upper bearing seat (6) and the lower bearing seat (4) is fixedly connected with a motor (2), the output end of the motor (2) is fixedly connected with an output shaft (5), the outside of the output shaft (5) is provided with a bearing (13), the upper and lower sides of the bearing (13) are both provided with limiting grooves (18), the inside of the upper bearing seat (6) and the lower bearing seat (4) is both fixedly connected with springs (15), the inside of the springs (15) is both fixedly connected with limiting plates (16), the inside of the upper bearing seat (6) and the lower bearing seat (4) is provided with lubricating assemblies.

2. The combined speed reducer using a steel plate welded case and a hard tooth surface gear transmission according to claim 1, characterized in that: The lubricating assembly comprises an oil inlet (10), the oil inlet (10) is arranged in the inside of the upper bearing seat (6), the inside of the lower bearing seat (4) is provided with an oil return channel (14), the lower part of the oil inlet (10) is fixedly communicated with an oil inlet channel (11), the lower part of the oil inlet channel (11) is fixedly communicated with a main oil way (12), the both sides of the lower part of the oil inlet (10) are provided with oil distribution ways (9).

3. The combined speed reducer using a steel plate welded case and a hard tooth surface gear transmission according to claim 1, characterized in that: The upper part of the upper bearing seat (6) is provided with an observation hole (21), the upper part of the observation hole (21) is provided with a sealing observation cover (1), the left part of the sealing observation cover (1) is fixedly connected with a connecting rope (7), the connecting rope (7) is fixedly connected to the upper part of the upper bearing seat (6).

4. The combined speed reducer using a steel plate welded case and a hard tooth surface gear transmission according to claim 1, characterized in that: The lower part of the bearing (13) is provided with an oil throwing ring (20).

5. The combined speed reducer using a steel plate welded case and a hard tooth surface gear transmission according to claim 1, characterized in that: The outside of the bearing (13) is provided with a bearing sleeve (8).

6. The combined speed reducer using a steel plate welded case and a hard tooth surface gear transmission according to claim 1, characterized in that: The limiting plate (16) is slidingly connected in the inside of the limiting groove (18).

7. The combined speed reducer using a steel plate welded case and a hard tooth surface gear transmission according to claim 1, characterized in that: The nut (19) is threadedly connected to the outside of the fixed bolt (17).

8. The combined speed reducer using a steel plate welded case and a hard tooth surface gear transmission according to claim 1, characterized in that: The output shaft (5) is rotatably connected in the inside of the upper bearing seat (6) and the lower bearing seat (4).