Planetary reducer with multiple conveying structures

Abstract

The utility model provides a multi-transmission structure type planetary reducer, which relates to the technical field of reducers, and comprises a shell, an output shaft and an input shaft are respectively arranged at two ends of the shell, the input shaft is arranged at one end of the output shaft, a multi-transmission structure is arranged in the shell, and the multi-transmission structure comprises two sun gears fixedly arranged outside the input shaft, three supporting shaft brackets are distributed on the outer portion, corresponding to the outer portion of the sun gear, of the input shaft, planet gears are arranged on the outer portions of the three supporting shaft brackets, a lubricating structure is arranged on the outer portion of the shell and comprises two oil storage rings, the two oil storage rings are rotationally installed on the outer portion of the shell, and oil injection pipes are arranged on the surfaces of the oil storage rings. According to the utility model, a good speed reduction effect is provided, a multi-transmission structure in the shell can be conveniently lubricated and maintained, and the service life of the internal structure is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a multi-transmission structure type planetary reducer. Background Art

[0002] Planetary reducer is a widely used industrial product that can reduce the speed of the motor and increase the output torque. It can be widely used in lifting, excavation, transportation, construction and other industries. Patent No. CN221097353U in the prior art discloses a planetary reducer. The structure makes the input shaft and the output shaft rotate coaxially through the setting of the rotating shaft, the primary sun gear, the primary connecting rod and the rotating rod, which reduces the size of the planetary reducer, realizes miniaturization, and increases the scope of use. At the same time, through the setting of coaxial rotation, the internal structure is compact and the gap is small, which enhances the stability of the reducer and improves the use effect and life of the planetary reducer. However, in actual use of the prior art, the planetary gear and sun gear of the structure are installed inside the casing, which is not convenient for disassembly and assembly. When the planetary gear and sun gear rotate for a long time, the parts are worn out due to lack of lubrication, and it is difficult to lubricate them. Therefore, further improvement is needed. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies in the prior art and provide a multi-transmission structure type planetary reducer.

[0004] The utility model is realized through the following technical solutions:

[0005] A multi-transmission structure planetary reducer comprises a shell, and an output shaft and an input shaft are respectively arranged at both ends of the shell, the input shaft is arranged at one end of the output shaft, and a multi-transmission structure is arranged inside the shell, the multi-transmission structure comprises two sun gears fixedly mounted on the outside of the input shaft, three supporting shaft frames are respectively distributed on the outside of the corresponding sun gears, and planetary gears are arranged on the outside of the three supporting shaft frames, the planetary gears are rotatably connected to the corresponding supporting shaft frames, and the sun gears and planetary gears are meshed with each other.

[0006] It can be understood that the external driving device drives the input shaft to rotate, and through the cooperation of the sun gear and the planetary gear in the multi-transmission structure, the output shaft can be rotated at a reduced speed.

[0007] In order to lubricate and maintain the multi-transmission structure inside the housing, preferably, a lubrication structure is provided on the outside of the housing, the lubrication structure includes two oil storage rings, the two oil storage rings are rotatably mounted on the outside of the housing, and an oil filling pipe is provided on the surface of the oil storage ring, a plurality of first circular grooves are provided in an annular distribution on the outer surface of the housing, the bottom of the first circular groove is connected with an oil through hole, the inner wall surface of the oil storage ring is provided with a second circular groove that is interconnected with the first circular groove in an annular distribution, and a ball is rotatably mounted inside the first circular groove and the second circular groove, a connecting rod is provided at the bottom of the oil storage ring, two gears are provided outside the connecting rod, a motor is provided at one end of the connecting rod, a plurality of tooth grooves are provided on the outer surface of the oil storage ring, the two gears are meshed with the corresponding oil storage rings through the tooth grooves, the output end of the motor is coaxially connected to the connecting rod, and the two gears are fixedly mounted on the outside of the connecting rod, a support plate is provided at the bottom of the housing, the motor is fixedly mounted on the outer wall of the support plate, a connecting plate is provided at the bottom of the housing on one side of the support plate, a bearing is embedded and mounted on the outer wall of the connecting plate, and the connecting rod is rotatably connected inside the bearing.

[0008] In order to avoid filtering of the added lubricating oil and to prevent impurities inside the lubricating oil from affecting the use of the multi-transmission structure, preferably, the oil filling pipe is connected to the oil storage ring, a sealing plug is installed on the top of the oil filling pipe through a thread, a filter is installed inside the oil filling pipe, a sealing cover is installed on the surface of the oil filling pipe through screws, the filter is connected to the sealing cover, and a groove is provided on the surface of the sealing cover, and a through groove is provided on the outer surface of the oil filling pipe for pulling out the filter, and the filter is slidably connected to the oil filling pipe through the through groove.

[0009] The beneficial effects of the utility model are:

[0010] By setting a lubrication structure, the motor drives the connecting rod to rotate inside the bearing embedded in the outer wall of the connecting plate, and the connecting rod drives the two gears to rotate, so that the gears drive the two oil storage rings to rotate on the outer surface of the outer shell through the tooth grooves. During the rotation of the two oil storage rings, the rolling ball rotates inside the first circular groove on the surface of the outer shell and the second circular groove on the inner wall of the oil storage ring, so that the lubricating oil inside the oil storage ring slowly enters into the first circular groove through the second circular groove, and finally enters into the inner part of the outer shell through the oil hole interconnected with the first circular groove, thereby performing lubrication maintenance operations on the multi-transmission structure inside the outer shell;

[0011] After the lubricating oil is added to the interior of the oil storage ring through the oil filling pipe, the oil filling pipe is sealed by a threaded sealing plug, and the lubricating oil entering the oil filling pipe is filtered through the filter screen inside it, thereby preventing the impurities inside the lubricating oil from affecting the multi-transmission structure inside the housing, and the filter screen can be cleaned by loosening the screws at the sealing cover and pulling the sealing cover outward through the groove, so that the sealing cover drives the filter screen to be pulled out from the interior of the oil filling pipe through the through groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a main structural schematic diagram of the utility model.

[0013] Figure 2 It is a schematic diagram of the multi-transmission structure of the utility model.

[0014] Figure 3 It is a schematic diagram of the connection structure between the oil storage ring and the shell of the utility model.

[0015] Figure 4 It is a schematic diagram of the connection structure of the motor and the connecting rod of the utility model.

[0016] Figure 5 The utility model Figure 3 Enlarged structural diagram at A in the middle.

[0017] Figure 6 It is a schematic diagram of the connection structure between the filter screen and the oil filling pipe of the utility model.

[0018] In the figure: 1. housing; 2. output shaft; 3. input shaft; 4. sun gear; 5. support shaft frame; 6. planetary gear; 7. oil storage ring; 8. oil filling pipe; 9. first circular groove; 10. oil through hole; 11. second circular groove; 12. ball; 13. connecting rod; 14. gear; 15. motor; 16. sealing plug; 17. filter; 18. sealing cover; 19. groove; 20. support plate; 21. connecting plate; 22. bearing. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and the best embodiment. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the utility model.

[0020] Embodiment 1:

[0021] As attached Figure 1 , 2As shown, this embodiment provides a multi-transmission structure planetary reducer, including a housing 1, and an output shaft 2 and an input shaft 3 are respectively arranged at both ends of the housing 1, the input shaft 3 is arranged at one end of the output shaft 2, and a multi-transmission structure is arranged inside the housing 1. The multi-transmission structure includes two sun gears 4 fixedly mounted on the outside of the input shaft 3, and three supporting shaft frames 5 are respectively distributed on the outside of the corresponding sun gears 4 on the outside of the input shaft 3. Planetary gears 6 are arranged on the outside of the three supporting shaft frames 5, and the planetary gears 6 are rotatably connected to the corresponding supporting shaft frames 5, and the sun gears 4 and the planetary gears 6 are meshed with each other.

[0022] Specifically, in this embodiment, one end of the input shaft 3 can be connected to an external power device, and the power device drives the input shaft 3 to rotate, so that the input shaft 3 drives the two external sun gears 4 to rotate, and the rotation of the sun gear 4 can cause the planetary gears 6 outside the three support shaft frames 5 to rotate. At the same time, the rotation of the input shaft 3 drives the output shaft 2 to rotate, and the multiple planetary gears 6 and the sun gear 4 are engaged with each other, thereby achieving the purpose of deceleration.

[0023] Embodiment 2:

[0024] As attached Figure 1 , 3 As shown in Figures 4 and 5, this embodiment provides a multi-transmission structure planetary reducer, including a housing 1, a lubrication structure is arranged on the outside of the housing 1, the lubrication structure includes two oil storage rings 7, the two oil storage rings 7 are rotatably mounted on the outside of the housing 1, and an oil filling pipe 8 is arranged on the surface of the oil storage ring 7, a plurality of first circular grooves 9 are arranged in an annular shape on the outer surface of the housing 1, an oil through hole 10 is connected to the bottom of the first circular groove 9, a second circular groove 11 which is interconnected with the first circular groove 9 is arranged in an annular shape on the inner wall surface of the oil storage ring 7, a ball 12 is rotatably mounted inside the first circular groove 9 and the second circular groove 11, and a connecting rod 13 is arranged at the bottom of the oil storage ring 7. Two gears 14 are provided on the outside of the connecting rod 13, and a motor 15 is provided at one end of the connecting rod 13. A plurality of tooth grooves are provided on the outer surface of the oil storage ring 7, and the two gears 14 are meshed with the corresponding oil storage ring 7 through the tooth grooves. The output end of the motor 15 is coaxially connected to the connecting rod 13, and the two gears 14 are fixedly installed on the outside of the connecting rod 13. A support plate 20 is provided at the bottom of the outer shell 1, and the motor 15 is fixedly installed on the outer wall of the support plate 20. A connecting plate 21 is provided on one side of the support plate 20 at the bottom of the outer shell 1, and a bearing 22 is embedded in the outer wall of the connecting plate 21, and the connecting rod 13 is rotatably connected inside the bearing 22.

[0025] Specifically, in this embodiment, it can be used to lubricate and maintain the multi-transmission structure inside the housing 1. Specifically, lubricating oil is added to the inside of the oil storage ring 7 through the oil filling pipe 8 for storage. The support plate 20 can support the motor 15. The motor 15 drives the connecting rod 13 to rotate inside the bearing 22 embedded in the outer wall of the connecting plate 21. The connecting rod 13 drives the two gears 14 to rotate, so that the gears 14 drive the two oil storage rings 7 to rotate on the outer surface of the housing 1 through the tooth grooves.

[0026] During the rotation of the two oil storage rings 7, the ball 12 rotates inside the first circular groove 9 on the surface of the outer shell 1 and the second circular groove 11 opened on the inner wall of the oil storage ring 7. When the ball rotates, the lubricating oil inside the oil storage ring 7 can slowly enter the first circular groove 9 through the second circular groove 11, and finally enter the interior of the outer shell 1 through the oil hole 10 interconnected with the first circular groove 9, thereby performing lubrication and maintenance operations on the multi-transmission structure inside the outer shell 1.

[0027] When the motor 15 stops running, the balls stop rotating inside the first circular groove 9 and the second circular groove 11, so that the lubricating oil stops being transported.

[0028] Embodiment 3:

[0029] As attached Figure 3 , 5 As shown in , 6, on the basis of Example 2, this embodiment provides a multi-transmission structure planetary reducer, the oil filling pipe 8 is connected with the oil storage ring 7, the top of the oil filling pipe 8 is installed with a sealing plug 16 through a thread, the inside of the oil filling pipe 8 is installed with a filter 17, the surface of the oil filling pipe is installed with a sealing cover 18 through screws, the filter 17 is connected to the sealing cover 18, and the surface of the sealing cover 18 is provided with a drawing groove 19, the outer surface of the oil filling pipe 8 is provided with a through groove for pulling out the filter 17, and the filter 17 is slidably connected to the oil filling pipe 8 through the through groove.

[0030] Specifically, in this embodiment, in order to prevent the presence of impurities in the lubricating oil from affecting the multi-transmission structure inside the housing 1, after the lubricating oil is added to the interior of the oil storage ring 7 through the oil filling pipe 8, the oil filling pipe 8 is sealed by a threaded sealing plug 16, and the lubricating oil entering the oil filling pipe 8 is filtered through the filter 17 inside the oil filling pipe 8, thereby preventing the impurities in the lubricating oil from affecting the multi-transmission structure inside the housing 1.

[0031] When the filter 17 needs to be cleaned, the screws at the sealing cover 18 can be removed and the sealing cover 18 can be pulled outward through the groove 19 so that the sealing cover 18 drives the filter 17 to be pulled out from the inside of the oil filling pipe 8 through the through groove, and the filter 17 can be cleaned.

[0032] The cleaned filter screen 17 can be installed again inside the oil filling pipe 8 through the through groove, the through groove is sealed by the sealing cover 18, and finally the sealing cover 18 is tightened by screws.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A multi-transmission structure type planetary reducer, comprising a housing (1), wherein an output shaft (2) and an input shaft (3) are respectively arranged at both ends of the housing (1), wherein the input shaft (3) is arranged at one end of the output shaft (2), and characterized in that: A multi-transmission structure is arranged inside the housing (1); the multi-transmission structure comprises two sun gears (4) fixedly mounted on the outside of the input shaft (3); three support shaft frames (5) are respectively arranged outside the corresponding sun gears (4) on the outside of the input shaft (3); planetary gears (6) are arranged outside the three support shaft frames (5); a lubrication structure is arranged outside the housing (1); the lubrication structure comprises two oil storage rings (7); the two oil storage rings (7) are rotatably mounted on the outside of the housing (1); and an oil filling pipe (8) is arranged on the surface of the oil storage ring (7); and the outer surface of the housing (1) A plurality of first circular grooves (9) are arranged in an annular pattern, the bottom of each of the first circular grooves (9) is connected to an oil hole (10), the inner wall surface of the oil storage ring (7) is arranged in an annular pattern with second circular grooves (11) connected to the first circular grooves (9), a ball (12) is rotatably mounted inside the first circular grooves (9) and the second circular grooves (11), a connecting rod (13) is arranged at the bottom of the oil storage ring (7), two gears (14) are arranged outside the connecting rod (13), a motor (15) is arranged at one end of the connecting rod (13), and a plurality of tooth grooves are arranged on the outer surface of the oil storage ring (7).

2. The multi-transmission structure planetary reducer according to claim 1, characterized in that: The oil filling pipe (8) is connected to the oil storage ring (7), a sealing plug (16) is installed on the top of the oil filling pipe (8) through a thread, a filter screen (17) is installed inside the oil filling pipe (8), a sealing cover (18) is installed on the surface of the oil filling pipe through a screw, the filter screen (17) is connected to the sealing cover (18), and a groove (19) is provided on the surface of the sealing cover (18), and a through groove for pulling out the filter screen (17) is provided on the outer surface of the oil filling pipe (8), and the filter screen (17) is slidably connected to the oil filling pipe (8) through the through groove.

3. The multi-transmission structure planetary reducer according to claim 2, characterized in that: The two gears (14) are meshed with the corresponding oil storage rings (7) through tooth grooves, the output end of the motor (15) is coaxially connected to the connecting rod (13), and the two gears (14) are fixedly mounted on the outside of the connecting rod (13).

4. The multi-transmission structure planetary reducer according to claim 3, characterized in that: A support plate (20) is provided at the bottom of the housing (1), and the motor (15) is fixedly mounted on the outer wall of the support plate (20).

5. The multi-transmission structure planetary reducer according to claim 1, characterized in that: A connecting plate (21) is provided at the bottom of the housing (1) on one side of the supporting plate (20), a bearing (22) is embedded in the outer wall of the connecting plate (21), and the connecting rod (13) is rotatably connected inside the bearing (22).

6. The multi-transmission structure planetary reducer according to claim 5, characterized in that: The planetary gear (6) is rotatably connected to the corresponding supporting shaft frame (5), and the sun gear (4) and the planetary gear (6) are meshed with each other.

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