Drive gear reduction gear box

By designing a reduction device, an automatic lubrication mechanism and a fast installation and disassembly fixing device in the driving gear reduction gear box, the problems of unsuitable motor speed, regular maintenance, and cumbersome connection methods in the prior art are solved, and the flexibility of the equipment, automatic lubrication and rapid maintenance are achieved.

CN222615956UActive Publication Date: 2025-03-14CHANGSHU WEITE TRANSMISSION TECH CO LTD
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Patent Information

Application Number
CN202421095406.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-03-14
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The existing driving gear reduction gear box has problems in design and maintenance, including the motor speed not suitable for all working scenarios, gear wear requires regular lubrication and maintenance, and the cumbersome connection method leads to difficulty in rapid installation and disassembly.

Method used

A driving gear reduction gear box is designed, including a speed reduction device and an automatic lubrication mechanism. The speed reduction device realizes speed reduction through the secondary gear, main gear and output rod, and the automatic lubrication mechanism realizes automatic lubrication of the gear through the oil storage compartment, oil outlet groove and spring. In addition, the fixture adopts a removable structure, which simplifies the installation and disassembly of the gearbox.

Benefits of technology

It realizes effective speed reduction of motor output speed, improves the flexibility and scope of application of equipment; extends the service life of gears through automatic lubrication, reduces the frequency and cost of manual lubrication; the rapid installation and disassembly design reduces the downtime of equipment, improves production efficiency and continuity.

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Abstract

The utility model discloses a drive gear reduction gear box which comprises a gear box, a reduction device is arranged in the gear box, the reduction device comprises an auxiliary gear, a main gear and an output rod, the output rod is connected with the main gear, the auxiliary gear is meshed with the main gear, a lubricating mechanism is arranged in the auxiliary gear, and a fixing device is arranged on the outer side of the gear box. The fixing device comprises a fixing block, a top plate, a push spring, a top rod, a connecting rod, a connecting sleeve, a fixing sleeve, a rotating sleeve, a movable block, a via hole, a first spring, a clamping mechanism, a storage groove, a sliding groove, a second spring, a guide plate and a guide groove, the push spring sleeves the outer side of the top rod, one end of the top rod is in contact connection with the top plate, the rotating sleeve is arranged on one side of the connecting sleeve, and the via hole is formed in the top plate; the two ends of the first spring are connected with the fixed block and the movable block respectively, the containing groove is formed in the side wall of the connecting rod, the sliding groove penetrates through the side wall of the connecting sleeve, the second spring is arranged in the connecting sleeve, and the guide plate is arranged in the guide groove.
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Description

Technical Field

[0001] The utility model relates to the technical field of driving gear reduction gearboxes, and more specifically, to a driving gear reduction gearbox. Background Art

[0002] In the current mechanical transmission system, the drive gear reduction gearbox is a key component that can convert the rapid rotation of the motor into the required slower speed to adapt to the operating requirements of various mechanical equipment. However, the existing drive gear reduction gearbox technology has some problems in design and maintenance, which limit its performance and reliability.

[0003] First of all, most existing gear reduction gearboxes use motors as the driving source, but the motor speed is usually fast and is not suitable for all working scenarios. In some applications, excessively fast speed may cause equipment damage and may increase equipment maintenance costs.

[0004] Secondly, the existing reduction gearbox achieves deceleration through gear transmission, but the gears will wear out during long-term use. In order to extend the service life of the gears, regular lubrication and maintenance are required. However, the existing technology mostly uses manual maintenance, which not only increases maintenance costs, but is also cumbersome in operation and requires professional personnel to operate, which undoubtedly increases the complexity of the operation and the potential error rate.

[0005] In addition, the gearbox usually needs to be fixedly installed on the equipment for use. However, the connection method in the prior art is usually too cumbersome to operate and cannot achieve rapid installation and disassembly of the gearbox. This results in the equipment needing to be shut down for a long time when maintenance or replacement is required, thus affecting the continuity and efficiency of production. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the problems existing in the prior art, the utility model provides a driving gear reduction gearbox to solve the technical problems mentioned in the background technology.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a driving gear reduction gearbox, comprising a gearbox, a reduction device is arranged in the gearbox, the reduction device comprises a sub-gear, a main gear and an output rod, the output rod is connected with the main gear, the sub-gear and the main gear are meshed, a lubrication mechanism is arranged in the sub-gear, a fixing device is arranged on the outside of the gearbox, the fixing device comprises a fixing block, a top plate, a push spring, a top rod, a connecting rod, a connecting sleeve, a fixing sleeve, a rotating sleeve, a movable block, a through hole, a first spring, a clamping mechanism, a receiving groove, a sliding groove, a second spring, a guide plate and a guide groove, the fixing block is connected to one side of the top plate On the other side, the top plate is fixedly arranged at one end of the connecting rod, the push spring is movably sleeved on the outside of the top rod, one end of the top rod is in contact connection with the top plate, the connecting rod is movably installed in the connecting sleeve, the connecting sleeve is detachably installed in the fixed sleeve, the rotating sleeve is movably arranged on one side of the connecting sleeve, the movable block is connected to one side of the rotating sleeve, the through hole is arranged on the top plate, the two ends of the first spring are respectively connected with the fixed block and the movable block, the receiving groove is arranged on the side wall of the connecting rod, the sliding groove runs through the side wall of the connecting sleeve, the second spring is movably arranged in the connecting sleeve, the guide plate is slidably arranged in the guide groove, and the guide groove is arranged on both sides of the sliding groove.

[0010] The utility model is further configured that a cover plate is provided above the gear box, and the cover plate is detachably mounted above the gear box.

[0011] The utility model is further configured that the clamping mechanism includes a connecting block and a connecting groove, the connecting groove is arranged on the inner side of the fixing sleeve, the connecting block can be movably installed in the receiving groove, and two sides of the connecting block are fixedly connected to the guide plate.

[0012] The utility model is further configured that an input rod is provided in the gear box, a worm is provided on the input rod, a worm wheel is provided on one side of the worm, the worm wheel is connected to the sub-gear, and the worm wheel is meshed with the worm.

[0013] The utility model is further configured that a handle is provided on the top of the connecting sleeve, and the handle is fixedly arranged on both sides of the connecting sleeve.

[0014] The utility model is further configured as follows: the lubrication mechanism includes an oil storage tank, an oil outlet groove, a third spring, a top block and a baffle, the oil storage tank is opened on the inner side of the auxiliary gear, the oil outlet groove is opened on the side wall of the auxiliary gear, the top block is fixedly connected to the baffle, the baffle is movably installed in the oil storage tank, and the third spring is movably installed on one side of the baffle.

[0015] The utility model is further configured that a guide rod is provided in the oil storage bin, guide grooves are symmetrically provided on both sides of the baffle, and the guide rod is adapted to the guide groove.

[0016] The utility model is further configured that an oil filling pipe is provided on one side of the secondary gear, a sealing cover is provided at one end of the oil filling pipe, and the sealing cover is detachably mounted on the one end of the oil filling pipe through a thread.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a driving gear reduction gearbox, which has the following beneficial effects:

[0019] 1. The beneficial effect of the reduction device is mainly reflected in that it realizes effective deceleration of the motor output speed through the cooperation of components such as the secondary gear, the main gear and the output rod. This design enables the equipment to adapt to the needs of different working scenarios and improves the flexibility and applicability of the equipment. Through two-stage deceleration, it not only reduces the output speed of the motor, but also improves the stability and reliability of the transmission, so that the equipment can perform well in different working environments.

[0020] 2. The beneficial effect of the lubrication mechanism is mainly reflected in its automatic lubrication of gears. Through the cooperation of the oil storage tank, oil outlet groove, third spring and other components, the gears are automatically lubricated during operation, which extends the service life of the gears and reduces the frequency and cost of manual lubrication. This automatic lubrication design not only improves the efficiency of lubrication, but also reduces gear wear and failure caused by insufficient lubrication, thereby improving the reliability and stability of the equipment.

[0021] 3. The beneficial effect of the fixing device is mainly reflected in its rapid installation and disassembly of the gearbox. Through the cooperation of the fixing block, top plate, push spring and other components, the gearbox can be quickly disassembled and installed, which improves maintenance efficiency, reduces equipment downtime, and improves production efficiency and continuity. This design makes the maintenance of the gearbox easier and faster, reduces maintenance costs, and improves the availability and economic benefits of the equipment. At the same time, the design of rapid installation and disassembly also makes the replacement and upgrading of the gearbox more convenient, providing convenience for the upgrade and transformation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of a driving gear reduction gearbox in the utility model;

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure in the utility model;

[0024] Figure 3 It is a schematic cross-sectional structure diagram of the lubrication mechanism part of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the lubrication mechanism part of the utility model;

[0026] Figure 5 It is a structural schematic diagram of the fixing device part in the utility model;

[0027] Figure 6 It is a schematic cross-sectional structure diagram of the fixing device part in the utility model;

[0028] Figure 7 for Figure 6 Schematic diagram of the local enlarged structure at point A in the middle.

[0029] In the figure: 1. gear box; 2. auxiliary gear; 3. main gear; 4. output rod; 5. fixed block; 6. top plate; 7. push spring; 8. push rod; 9. connecting rod; 10. connecting sleeve; 11. fixed sleeve; 12. rotating sleeve; 13. movable block; 14. through hole; 15. first spring; 16. storage groove; 17. sliding groove; 18. second spring; 19. guide plate; 20. guide groove; 21. cover plate; 22. connecting block; 23. connecting groove; 24. input rod; 25. worm; 26. worm wheel; 27. handle; 28. oil storage bin; 29. ​​oil outlet groove; 30. third spring; 31. top block; 32. baffle; 33. guide rod; 34. guide groove; 35. oil filling pipe; 36. cover. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0032] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0033] See also Figure 1-7A driving gear reduction gearbox 1 comprises a gearbox 1, a reduction device is arranged in the gearbox 1, the reduction device comprises a sub-gear 2, a main gear 3 and an output rod 4, the output rod 4 is connected with the main gear 3, the sub-gear 2 and the main gear 3 are meshed, a lubrication mechanism is arranged in the sub-gear 2, a fixing device is arranged on the outside of the gearbox 1, the fixing device comprises a fixing block 5, a top plate 6, a push spring 7, a top rod 8, a connecting rod 9, a connecting sleeve 10, a fixing sleeve 11, a rotating sleeve 12, a movable block 13, a through hole 14, a first spring 15, a clamping mechanism, a receiving groove 16, a sliding groove 17, a second spring 18, a guide plate 19 and a guide groove 20, the fixing block 5 is connected to one side of the top plate 6, and the top plate 6 is fixedly provided It is placed at one end of the connecting rod 9, the push spring 7 is movably sleeved on the outside of the push rod 8, one end of the push rod 8 is in contact connection with the top plate 6, the connecting rod 9 is movably installed in the connecting sleeve 10, the connecting sleeve 10 is detachably installed in the fixed sleeve 11, the rotating sleeve 12 is movably arranged on one side of the connecting sleeve 10, the movable block 13 is connected to one side of the rotating sleeve 12, the through hole 14 is opened on the top plate 6, the two ends of the first spring 15 are respectively connected to the fixed block 5 and the movable block 13, the storage groove 16 is opened on the side wall of the connecting rod 9, the sliding groove 17 runs through the side wall of the connecting sleeve 10, the second spring 18 is movably arranged in the connecting sleeve 10, the guide plate 19 is slidably arranged in the guide groove 20, and the guide groove 20 is opened on both sides of the sliding groove 17.

[0034] A cover plate 21 is provided above the gear box 1 , and the cover plate 21 is detachably installed above the gear box 1 .

[0035] The clamping mechanism includes a connecting block 22 and a connecting groove 23 . The connecting groove 23 is provided inside the fixing sleeve 11 . The connecting block 22 can be movably installed in the receiving groove 16 , and two sides of the connecting block 22 are fixedly connected to the guide plate 19 .

[0036] An input rod 24 is provided in the gear box 1 . A worm 25 is provided on the input rod 24 . A worm wheel 26 is provided on one side of the worm 25 . The worm wheel 26 is connected to the auxiliary gear 2 , and the worm wheel 26 meshes with the worm 25 .

[0037] A handle 27 is provided at the top of the connecting sleeve 10 , and the handle 27 is fixedly arranged on both sides of the connecting sleeve 10 .

[0038] In this embodiment, when the device needs to be used, first connect the motor output end to the input rod 24, then connect the output rod 4 to the external device, and then turn on the external motor, the motor drives the input rod 24 to rotate, and then the input rod 24 drives the worm 25 to rotate, and then the worm 25 will drive the worm wheel 26 to rotate, and perform the first stage of reduction. At the same time, the worm wheel 26 will drive the secondary gear 2 installed on one side to rotate, and then the secondary gear 2 will drive the main gear 3 meshing therewith to rotate, thereby achieving the second stage of reduction. Then the main gear 3 will drive the output rod 4 to rotate, thereby driving the external device to operate. When the device needs to be removed for maintenance, first rotate the rotating sleeve 12, the rotating sleeve 12 will drive the top rod 8 to rotate, and then the rotating sleeve 12 will drive the movable block 13 to rotate, and then the movable block 13 will cooperate with the fixed block 5 to compress the first spring 15. When the top rod 8 and the through hole 14 are in position, the handle 2 is used to rotate. 7 Pull the connecting sleeve 10, and then the connecting sleeve 10 will compress the second spring 18 arranged on the inner side, and then the connecting sleeve 10 will drive the sliding groove 17 and the guide groove 20 to move, so that the guide plate 19 slides in the guide groove 20. Due to the inclined structural design of the guide plate 19 and the guide groove 20, when the guide plate 19 slides in the guide groove 20, the connecting block 22 will gradually be received into the receiving groove 16, and the other end of the connecting block 22 will gradually disengage from the connecting groove 23, and then continue to pull the handle 27, and then the connecting sleeve 10 will drive the connecting rod 9 to disengage from the fixing sleeve 11 together, and then the gear box 1 can be quickly disassembled. After the equipment is maintained, refer to the above process to reinstall the gear box 1 back to its original position. When the equipment is installed back to its original position, the first spring 15 pushes the return block and the rotating sleeve 12 to reset, so that the top rod 8 supports the top plate 6, thereby achieving a stable connection relationship.

[0039] See also Figure 1-4 As an implementation method of a driving gear reduction gearbox for a lubrication mechanism: the lubrication mechanism includes an oil storage tank 28, an oil outlet groove 29, a third spring 30, a top block 31 and a baffle 32, the oil storage tank 28 is opened on the inner side of the sub-gear 2, the oil outlet groove 29 is opened on the side wall of the sub-gear 2, the top block 31 is fixedly connected to the baffle 32, the baffle 32 is movably installed in the oil storage tank 28, and the third spring 30 is movably installed on one side of the baffle 32.

[0040] A guide rod 33 is provided in the oil storage bin 28 , and guide grooves 34 are symmetrically provided on both sides of the baffle plate 32 , and the guide rod 33 is matched with the guide grooves 34 .

[0041] An oil filling pipe 35 is provided at one side of the auxiliary gear 2 , and a sealing cap 36 is provided at one end of the oil filling pipe 35 . The sealing cap 36 is detachably mounted on one end of the oil filling pipe 35 through threads.

[0042] More specifically, when the secondary gear 2 is rotating, the top block 31 will be pushed by the teeth of the main gear 3, and then the top block 31 will drive the baffle 32 to be collected in the oil storage tank 28, and then the baffle 32 will compress the third spring 30 connected to one side, and at the same time, the baffle 32 and the top block 31 will slide stably along the guide rod 33 through the design of the guide groove 34, and then the oil outlet groove 29 is connected to the inside of the oil storage tank 28, so that the lubricating oil stored in the oil storage tank 28 flows to the outside along the oil outlet groove 29, so as to realize the lubrication of the main gear 3 and the secondary gear. 2 is automatically lubricated, and then the secondary gear 2 and the main gear 3 continue to rotate. The top block 31 is no longer restricted, and the third spring 30 pushes the baffle 32 and the top block 31 to reset, so that the oil groove 29 and the oil storage tank 28 are disconnected again, realizing precise fixed-point automatic lubrication. When lubricating oil needs to be added, the cover 36 is unscrewed, and then the lubricating oil is injected into the oil storage tank 28 through the oil filling pipe 35 through the external storage device. After adding, the cover 36 is used again to seal the input end of the oil filling pipe 35.

[0043] In summary, when the overall device is in use or running: when the device needs to be used, first connect the motor output end to the input rod 24, then connect the output rod 4 to the external device, and then turn on the external motor, the motor drives the input rod 24 to rotate, and then the input rod 24 drives the worm 25 to rotate, and then the worm 25 will drive the worm wheel 26 to rotate, and perform the first stage of reduction. At the same time, the worm wheel 26 will drive the secondary gear 2 installed on one side to rotate, and then the secondary gear 2 will drive the main gear 3 meshing with it to rotate, thereby achieving the second stage of reduction. Then the main gear 3 will drive the output rod 4 to rotate, thereby driving the external device to operate. When the device needs to be removed for maintenance, first rotate the rotating sleeve 12, the rotating sleeve 12 will drive the top rod 8 to rotate, and then the rotating sleeve 12 will drive the movable block 13 to rotate, and then the movable block 13 will cooperate with the fixed block 5 to compress the first spring 15. When the positions of the top rod 8 and the through hole 14 correspond, The connecting sleeve 10 is pulled by the handle 27, and then the connecting sleeve 10 will compress the second spring 18 arranged on the inner side, and then the connecting sleeve 10 will drive the sliding groove 17 and the guide groove 20 to move, so that the guide plate 19 can slide in the guide groove 20. Due to the inclined structural design of the guide plate 19 and the guide groove 20, when the guide plate 19 slides in the guide groove 20, the connecting block 22 will gradually be retracted into the receiving groove 16, and the other end of the connecting block 22 will gradually disengage from the connecting groove 23, and then continue to pull the handle 27, and then the connecting sleeve 10 will drive the connecting rod 9 to disengage from the fixing sleeve 11 together, and then the gear box 1 can be quickly disassembled. After the equipment is maintained, refer to the above process to reinstall the gear box 1 back to its original position. After the equipment is installed back to its original position, the first spring 15 pushes the return block and the rotating sleeve 12 to reset, so that the top rod 8 supports the top plate 6, thereby achieving a stable connection relationship.

[0044] When the secondary gear 2 is rotating, the top block 31 will be pushed by the teeth of the main gear 3, and then the top block 31 will drive the baffle 32 to be collected in the oil storage tank 28, and then the baffle 32 will compress the third spring 30 connected to one side, and at the same time, the baffle 32 and the top block 31 will slide stably along the guide rod 33 through the design of the guide groove 34, and then the oil outlet groove 29 is connected to the inside of the oil storage tank 28, so that the lubricating oil stored in the oil storage tank 28 flows to the outside along the oil outlet groove 29, so as to realize the automatic rotation of the main gear 3 and the secondary gear 2. Dynamic lubrication, then the secondary gear 2 and the main gear 3 continue to rotate, the top block 31 is no longer restricted, and the third spring 30 pushes the baffle 32 and the top block 31 to reset, so that the oil groove 29 and the oil storage tank 28 are disconnected again, realizing precise fixed-point automatic lubrication. When lubricating oil needs to be added, the cover 36 is unscrewed, and then the lubricating oil is injected into the oil storage tank 28 through the oil filling pipe 35 through an external storage device. After adding, the cover 36 is used again to seal the input end of the oil filling pipe 35.

[0045] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A driving gear reduction gearbox, comprising a gearbox (1), characterized in that: The gearbox (1) is provided with a reduction device, the reduction device comprising a sub-gear (2), a main gear (3) and an output rod (4), the output rod (4) being connected to the main gear (3), the sub-gear (2) and the main gear (3) being meshed, a lubrication mechanism being provided in the sub-gear (2), and a fixing device being provided on the outside of the gearbox (1), the fixing device comprising a fixing block (5), a top plate (6), a push spring (7), a top rod (8), a connecting rod (9), a connecting sleeve (10), a fixing sleeve (11), a rotating sleeve (12), a movable block (13), a through hole (14), a first spring (15), a clamping mechanism, a receiving groove (16), a sliding The invention relates to a connecting rod (9), a second spring (18), a guide plate (19) and a guide groove (20). The push spring (7) is sleeved on the outside of the push rod (8). One end of the push rod (8) is in contact with the top plate (6). The rotating sleeve (12) is arranged on one side of the connecting sleeve (10). The through hole (14) is arranged on the top plate (6). The two ends of the first spring (15) are respectively connected to the fixed block (5) and the movable block (13). The receiving groove (16) is arranged on the side wall of the connecting rod (9). The sliding groove (17) passes through the side wall of the connecting sleeve (10). The second spring (18) is arranged in the connecting sleeve (10). The guide plate (19) is arranged in the guide groove (20).

2. The driving gear reduction gearbox according to claim 1, characterized in that: A cover plate (21) is provided above the gear box (1), and the cover plate (21) is detachably mounted above the gear box (1).

3. The driving gear reduction gearbox according to claim 1 is characterized in that: The clamping mechanism comprises a connecting block (22) and a connecting groove (23), wherein the connecting groove (23) is arranged on the inner side of the fixing sleeve (11), the connecting block (22) can be movably mounted in the receiving groove (16), and two sides of the connecting block (22) are fixedly connected to the guide plate (19).

4. The driving gear reduction gearbox according to claim 1 is characterized in that: An input rod (24) is provided in the gear box (1), a worm (25) is provided on the input rod (24), a worm wheel (26) is provided on one side of the worm (25), the worm wheel (26) is connected to the pinion gear (2), and the worm wheel (26) is meshed with the worm (25).

5. The driving gear reduction gearbox according to claim 3 is characterized in that: A handle (27) is provided at the top of the connecting sleeve (10), and the handle (27) is fixedly arranged on both sides of the connecting sleeve (10).

6. A driving gear reduction gearbox according to any one of claims 1 to 5, characterized in that: The lubricating mechanism comprises an oil storage bin (28), an oil outlet groove (29), a third spring (30), a top block (31) and a baffle (32); the oil storage bin (28) is arranged on the inner side of the auxiliary gear (2); the oil outlet groove (29) is arranged on the side wall of the auxiliary gear (2); the top block (31) is fixedly connected to the baffle (32); the baffle (32) is movably mounted in the oil storage bin (28); and the third spring (30) is movably mounted on one side of the baffle (32).

7. A driving gear reduction gearbox according to claim 6, characterized in that: A guide rod (33) is arranged in the oil storage bin (28), guide grooves (34) are symmetrically opened on both sides of the baffle (32), and the guide rod (33) is matched with the guide groove (34).

8. The driving gear reduction gearbox according to claim 7, characterized in that: An oil filling pipe (35) is provided on one side of the secondary gear (2), and a sealing cover (36) is provided at one end of the oil filling pipe (35). The sealing cover (36) is detachably mounted on one end of the oil filling pipe (35) via a thread.