Improved planetary reducer

Abstract

The utility model discloses an improved planetary reducer which comprises a gear shell, an inner gear, three planetary gears and a sun gear are arranged in the gear shell, the tops of the planetary gears are fixedly connected with a planetary carrier, the upper surface of the gear shell is fixedly connected with an oil feeding tank, the upper surface of the oil feeding tank is fixedly connected with a support, and the support is fixedly connected with a gear shaft. An oil storage tank is fixedly connected to the upper surface of the support, a connecting hard pipe is fixedly connected between the oil storage tank and an oil feeding tank, two limiting rings are fixedly connected into the connecting hard pipe, a moving rod is movably connected into the connecting hard pipe, a floating block is arranged at the bottom of the moving rod, and an oil outlet hole is formed in the limiting ring at the top of the moving rod. And an oil inlet, an oil outlet and a through hole are formed in the moving rod. According to the device, the floating block drives the moving rod to be linked, so that lubricating oil flows into the oil supply tank through the oil outlet, the oil inlet, the through hole and the oil outlet in sequence, and when the liquid level rises to a certain degree, oil filling can be automatically stopped.

Description

TECHNICAL FIELD

[0001] The utility model relates to planetary reducer technical field, especially in an improved planetary reducer. BACKGROUND

[0002] The planetary reducer is an industrial product, which is widely used in industry. The power transmission is realized through the clever cooperation of the sun gear, the planetary gear and the internal gear, and the transmission capacity is high.

[0003] The existing planetary reducer technology adopts the method of disassembling the reducer to add lubricating oil. However, this method is time-consuming and laborious, and if disassembled improperly, it may cause damage to the planetary reducer. For example, the Chinese patent "Improved Planetary Reducer" (application number CN201821849080.8) adopts a compact layout between the planetary gear, the planet carrier, the internal gear and the output shaft, which only needs to support the output shaft position through a rolling bearing to achieve good stability, thus shortening the length of the overall structure. However, when adding lubricating oil for maintenance in the later stage, it is more troublesome and requires a lot of time to disassemble the planetary gear. When the gears are in transmission, lubricating oil needs to be supplemented to increase the service life. SUMMARY

[0004] The utility model aims at at least solves one of prior art problems, provides an improved planetary reducer, through the cooperation of the float, the moving rod, the moving ring and the limit ring, the internal float will also follow the decline, thereby driving the moving rod to descend, the moving ring moves in two limit rings, when the moving rod descends, the sealing ring is separated, the oil outlet hole on the top limit ring leaks, the lubricating oil flows out of the oil outlet hole, falls on the moving ring, thereby flowing into the oil inlet on the moving rod, falls from the through hole to the oil outlet, thereby flowing to the oil tank, the liquid level rises to a certain degree and can stop supplementing automatically, not only ensures that the gear is always in good lubrication state during operation, effectively reduces the gear wear, prolongs the service life of the gear.

[0005] The utility model discloses still provide with above-mentioned one kind improved planetary reducer, include: gear housing is provided with internal gear in the gear housing, the internal gear inner ring is connected with three planet gears, the planet gear outside is connected with sun gear, and the planet gear top fixedly connected with planet carrier, the gear housing upper surface fixedly connected with oil tank, the oil tank upper surface fixedly connected with support, the support upper surface fixedly connected with oil storage tank, the oil storage tank with oil tank between fixedly connected with connecting hard pipe, the connecting hard pipe inside fixedly connected with two limit rings, the connecting hard pipe inside mobilely connected with movable rod, the movable rod bottom is provided with float, and the limit ring inside top is provided with oil outlet, the movable rod inside is provided with oil inlet, oil outlet and through -hole. Through above device, through float movable rod linkage, makes lubricating oil in turn through oil outlet, oil inlet, through -hole, oil outlet and flows into oil tank, and when liquid level rises to certain degree, can also stop oiling automatically.

[0006] According to the improved planetary reducer, the internal gear is located outside the three planet gears, and the sun gear is located between the three planet gears. Through the positional relationship, a stable planetary transmission structure is formed, the power is effectively transmitted between the sun gear, the planet gears and the internal gear, and the basic transmission function of the speed reducer is ensured.

[0007] According to the improved planetary reducer, the oil tank bottom is provided with an oil outlet pipe, the oil outlet pipe bottom is fixedly connected with a detection oiling device, and the detection oiling device is located in the gear housing. Through the above device, the state between the gears can be directly detected in the speed reducer, and when the gears lack lubricating oil, the lubricating oil can be supplemented in time.

[0008] According to the improved planetary reducer, the oil storage tank top is provided with an oil inlet, and the connecting hard pipe top is provided with a sealing ring. Through the above device, the lubricating oil can be supplemented to the oil storage tank through the oil inlet, the sealing ring can effectively prevent the lubricating oil from leaking, and the sealing property of the lubricating system is ensured.

[0009] According to the improved planetary reducer, the sealing ring outer ring is fixedly connected to the inner ring of the top limit ring, and the sealing ring inner ring is attached to the movable rod. Through the above device, when the movable rod moves, the sealing ring does not move together, indirectly protecting the sealing ring and reducing the wear of the sealing ring.

[0010] According to the improved planetary reducer, the movable rod outer ring is fixedly connected with a movable ring, and the movable ring is movably connected between the two limit rings. Through the above device, the movable ring moves up and down stably within a certain range, preventing the movable rod from falling off due to excessive movement.

[0011] The improved planetary reducer, the floating block is located in the oil tank, the inner wall of the oil tank is fixedly connected with the positioning frame, and the moving rod is slidably connected in the positioning frame.

[0012] The improved planetary reducer, the through hole is communicated with the oil inlet and the oil outlet, the through hole is provided with a flow guide groove in the bottom, the oil inlet and the oil outlet are located at two ends of the through hole, and the oil inlet is located above the moving ring.

[0013] Advantages

[0014] Compared with the prior art, the improved planetary reducer is provided with the floating block, the moving rod, the moving ring and the limiting ring, the internal floating block also descends to drive the moving rod to descend, the moving ring moves between the two limiting rings, the moving rod descends to separate from the sealing ring, the oil outlet hole on the top limiting ring leaks out, the lubricating oil flows out of the oil outlet hole, falls on the moving ring and then flows into the oil inlet on the moving rod, falls from the through hole to the oil outlet and then flows to the oil tank, and the liquid level rises to a certain degree and can automatically stop supplementing. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in connection with the drawings and examples;

[0016] Figure 1 It is the front view of the improved planetary reducer of the utility model;

[0017] Figure 2 It is the Figure 1 internal structure diagram of the improved planetary reducer of the utility model;

[0018] Figure 3 It is the Figure 1 left side sectional view of the improved planetary reducer of the utility model;

[0019] Figure 4 It is the Figure 2 enlarged view of A in the improved planetary reducer of the utility model;

[0020] Figure 5 It is the Figure 3Enlarged view at B.

[0021] Legend:

[0022] 1, gear housing; 2, inner gear; 3, planet carrier; 4, planet tooth; 5, sun gear; 6, oil storage tank; 7, oil supply tank; 8, bracket; 9, detection oil filling device; 10, connecting hard pipe; 11, oil outlet pipe; 12, moving rod; 13, float; 14, limiting ring; 15, moving ring; 16, sealing ring; 17, oil outlet hole; 18, oil inlet; 19, through hole; 20, oil outlet; 21, flow guide groove; 22, positioning frame. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Referring to Figures 1-5 , the utility model discloses an improved planetary reducer, it includes: gear housing 1, gear housing 1 protects internal gear, gear housing 1 inside is provided with inner gear 2, three planet tooth 4 are connected with the inner gear 2 inside circle meshing, the planet tooth 4 outside meshing is connected with sun gear 5, and the inner gear 2 is located at the outside of three planet tooth 4, and the sun gear 5 is located between three planet tooth 4, and the planet tooth 4 top is fixedly connected with planet carrier 3.

[0025] The gear housing 1 upper surface is fixedly connected with the oil tank 7, the oil tank 7 bottom is provided with the oil outlet pipe 11, the oil outlet pipe 11 bottom is fixedly connected with the detection oiling device 9, the detection oiling device 9 is prior art, not repeated here, the detection oiling device 9 is located inside the gear housing 1, the oil tank 7 upper surface is fixedly connected with the support 8, the support 8 upper surface is fixedly connected with the oil storage tank 6, the oil storage tank 6 stores lubricating oil, the oil storage tank 6 and the oil tank 7 are fixedly connected with the connecting hard pipe 10, the oil storage tank 6 top is provided with the oil inlet (not shown in the figure), the connecting hard pipe 10 top is provided with the sealing ring 16, the sealing ring 16 sealingly connects the connecting hard pipe 10, the connecting hard pipe 10 inside is fixedly connected with two limit rings 14, the connecting hard pipe 10 inside is movably connected with the moving rod 12, the moving rod 12 moves in the connecting hard pipe 10 with the up and down floating of the float 13, the sealing ring 16 outer ring is fixedly connected with the inner ring of the top limit ring 14, the sealing ring 16 inner ring is attached with the moving rod 12, the moving rod 12 outer ring is fixedly connected with the moving ring 15, the moving ring 15 is movably connected between the two limit rings 14, the moving rod 12 bottom is provided with the float 13, the float 13 floats up and down with the change of the lubricating oil level in the oil tank 7, the float 13 is located inside the oil tank 7, the oil tank 7 inner wall is fixedly connected with the positioning frame 22, the moving rod 12 is slidingly connected inside the positioning frame 22, the top limit ring 14 inside is provided with the oil outlet hole 17, the moving rod 12 inside is provided with the oil inlet 18, the oil outlet 20 and the through hole 19, the through hole 19 discharges the top lubricating oil to the oil outlet 20, the through hole 19 is communicated with the oil inlet 18 and the oil outlet 20, the through hole 19 bottom is provided with the flow guide groove 21, the oil inlet 18 and the oil outlet 20 are located at both ends of the through hole 19, and the oil inlet 18 is located above the moving ring 15.

[0026] Working principle: in use, add lubricating oil to the oil storage tank 6, then add lubricating oil to the internal gear according to the state of the detection oiling device 9, when the lubricating oil in the oil tank 7 drops, the internal float 13 also drops, thereby driving the moving rod 12 to drop, the moving ring 15 moves between the two limit rings 14, when the moving rod 12 drops, the sealing ring 16 is separated, the oil outlet hole 17 on the top limit ring 14 leaks out, the lubricating oil flows out from the oil outlet hole 17, falls on the moving ring 15, and then flows to the oil inlet 18 on the moving rod 12, falls to the oil outlet 20 from the through hole 19, and then flows to the oil tank 7, when the lubricating oil in the oil tank 7 rises to a certain degree, the moving rod 12 automatically rises, and the connecting hard pipe 10 is closed.

[0027] The above embodiment of the utility model is explained in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. An improved planetary reduction machine characterized by, Include: Gear housing (1), the inner gear (2) is arranged inside the gear housing (1), the inner gear (2) inner ring is engaged with three planetary teeth (4), the planetary tooth (4) is engaged with the sun gear (5) outside, the planetary tooth (4) top fixedly connected with the planet carrier (3); The oil tank (7) is fixedly connected on the upper surface of the gear housing (1), the support (8) is fixedly connected on the upper surface of the oil tank (7), the oil storage tank (6) is fixedly connected on the upper surface of the support (8), the connecting hard pipe (10) is fixedly connected between the oil storage tank (6) and the oil tank (7), two limit rings (14) are fixedly connected in the connecting hard pipe (10), the movable rod (12) is movably connected in the connecting hard pipe (10), the float (13) is arranged on the bottom of the movable rod (12), the oil outlet hole (17) is arranged in the limit ring (14) on the top, the oil inlet (18), the oil outlet (20) and the through hole (19) are arranged in the movable rod (12).

2. An improved planetary speed reducer as claimed in claim 1, wherein, The inner gear (2) is located outside the three planetary teeth (4), and the sun gear (5) is located between the three planetary teeth (4).

3. The improved planetary speed reducer according to claim 1, wherein The oil tank (7) is provided with an oil outlet pipe (11) at the bottom, and the detection oiling device (9) is fixedly connected to the bottom of the oil outlet pipe (11), and the detection oiling device (9) is located in the gear housing (1).

4. The improved planetary speed reducer according to claim 1, wherein The oil storage tank (6) is provided with an oil inlet on the top, and the connecting hard pipe (10) is provided with a sealing ring (16) on the top.

5. An improved planetary speed reducer as claimed in claim 4 wherein, The sealing ring (16) is fixedly connected to the inner ring of the top limit ring (14), and the inner ring of the sealing ring (16) is attached to the movable rod (12).

6. The improved planetary speed reducer according to claim 1, wherein The movable rod (12) is fixedly connected with a movable ring (15) on the outer ring, and the movable ring (15) is movably connected between the two limit rings (14).

7. The improved planetary speed reducer according to claim 1, wherein The float (13) is located in the oil tank (7), and the positioning frame (22) is fixedly connected to the inner wall of the oil tank (7), and the movable rod (12) is slidably connected in the positioning frame (22).

8. The improved planetary speed reducer according to claim 6, wherein The through hole (19) is communicated with the oil inlet (18) and the oil outlet (20), the through hole (19) is provided with a flow guide groove (21) at the bottom, the oil inlet (18) and the oil outlet (20) are located at both ends of the through hole (19), and the oil inlet (18) is located above the movable ring (15).

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