Planetary gear transmission assembly

Abstract

The utility model relates to the technical field of planetary gears, in particular to a planetary gear transmission assembly which comprises a housing, cover plates are fixedly installed on the upper side and the lower side of the housing respectively, the inner ring face of the housing is fixedly connected with a gear ring, the gear ring is meshed with one side of a planetary gear, the other side of the planetary gear is meshed with a main gear, and an oil adding assembly is arranged on the upper side of the housing. The oil adding assembly comprises an oil storage tank, an opening and closing plate is arranged at the bottom of the oil storage tank and slidably mounted on the upper surface of a supporting disc, the lower surface of the supporting disc communicates with an oil outlet box, and a plurality of oil guide micropipes are fixedly connected to the bottom of the oil outlet box, penetrate through the cover plate and are arranged at the inner ring position of the gear ring. Automatic and accurate dripping of lubricating oil is achieved through the structures such as the oil storage tank, the opening and closing plate and the oil guide micro pipe, the lubricating efficiency is improved, the phenomenon that a gear is stuck or has abnormal sound due to insufficient lubrication is avoided, and the service life is prolonged; and the housing and the cover plate are connected through bolts, so that quick disassembly, assembly and maintenance are facilitated, the maintainability of the equipment is improved, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to planetary gear technology field, concretely is a kind of planetary gear transmission assembly. BACKGROUND

[0002] Planetary gear is a kind of complex gear system, its unique place is that it not only can rotate around its rotation axis (called "rotation") like traditional fixed-axis gear, simultaneously, its rotation axis also rotates around the central axis of other gear (called "revolution") with a support structure called planet carrier. This double-layer movement mode is very similar to the movement mode of planets in solar system, so it is named "planetary gear". As an important component in mechanical transmission field, planetary gear is widely used in various mechanical equipment due to its compact structure, high transmission efficiency, strong carrying capacity and other advantages.

[0003] In prior art, due to the complex structure of planetary gear system and high-speed operation state, it is usually difficult to conveniently add lubricating oil during equipment operation, and this insufficient lubrication problem will cause the friction of gear meshing part to intensify, and then cause the phenomena such as jamming and abnormal sound. Long-term operation in this working condition not only significantly reduces the transmission efficiency, but also accelerates the wear of gear, thereby directly affecting the service life and overall performance of planetary gear transmission assembly. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of planetary gear transmission assembly to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of planetary gear transmission assembly, comprising: cover, cover upper and lower sides are all fixedly installed with cover plate, cover inner circle surface is fixedly connected with gear ring, gear ring is engaged with one side of planetary gear, and the other side of planetary gear is engaged with main gear.

[0006] The upper side of cover is provided with oil adding assembly, and the oil adding assembly comprises an oil tank, the bottom of the oil tank is provided with a hinged plate, the hinged plate is slidingly installed on the upper surface of a support disc, the lower surface of the support disc is communicated with an oil outlet box, a plurality of oil guide microtubes are fixedly connected to the bottom of the oil outlet box, and the oil guide microtubes penetrate through the cover plate and are arranged at the inner circle position of the gear ring.

[0007] Preferably, the upper and lower sides of the cover are fixedly connected with the cover plate by bolts, the cover plate on the upper side is rotatably connected with one end of a main shaft, and the other end of the main shaft is fixedly sleeved in the main gear.

[0008] Preferably, the main gear is engaged with the planetary gear for transmission, and the planetary gear is arranged in a circular array about the axis of the main gear, one end of the planetary gear is fixedly connected with a connecting shaft, and the other end of the connecting shaft is rotatably sleeved in the planet carrier.

[0009] Preferably, the oil storage tank is arranged in a circumferential array about the housing axis, a sealing plug is threadedly connected to the top of the oil storage tank, and a flow guide pipe is fixedly connected to the top of the oil storage tank and has a sealing sleeve fixedly connected to the bottom thereof.

[0010] Preferably, the lower surface of the oil storage tank is fixedly connected to the oil outlet box through four support rods, the upper surface of the oil outlet box is fixedly connected to the support disc, an oil hole is formed in the center of the surface of the support disc, the oil hole penetrates the top of the oil outlet box, and the oil outlet box is fixedly installed on the upper cover plate.

[0011] Preferably, a limiting groove is symmetrically formed in the upper surface of the support disc, an arc-shaped block is fixedly connected to the edge of the upper surface of the support disc, the limiting groove is slidably connected between the flap, and the arc-shaped block is slidably connected with an arc-shaped groove formed in the bottom of the gear ring.

[0012] Preferably, the gear ring is fixedly sleeved on the rotating disc, an arc-shaped hole is formed in the surface of the rotating disc, the arc-shaped hole is fixedly connected to one end of the sliding rod, the other end of the sliding rod is fixedly connected to the flap, the outer ring surface of the gear ring is in meshing transmission with the pinion, the pinion is fixedly sleeved on the output end of the micro motor, and the bottom of the micro motor is fixedly connected to the upper cover plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a structure of oil storage tank, flap, oil guide micro tube and the like is set up, realizes the automatic control and accurate drop of lubricating oil under the drive of micro motor, makes lubricating oil even spread on the surface of gear ring, planetary gear and main gear.

[0015] 2. The utility model discloses a structure of oil storage tank, flap, oil guide micro tube and the like is set up, realizes the automatic control and accurate drop of lubricating oil under the drive of micro motor, makes lubricating oil even spread on the surface of gear ring, planetary gear and main gear. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the inside structure overhead schematic diagram of the utility model;

[0018] Figure 3 It is the inside structure overhead schematic diagram of the utility model;

[0019] Figure 4 The utility model discloses Figure 2 The structure amplification schematic diagram of A place in the middle.

[0020] In the drawing: 1, cover; 2, cover plate; 3, gear ring; 4, planetary gear; 5, oil storage tank; 6, opening and closing plate;

[0021] 7, support disc; 8, oil outlet box; 9, oil guide microtube; 10, main shaft; 11, connecting shaft; 12, planetary carrier; 13, flow guide pipe; 14, sealing sleeve; 15, oil hole; 16, limiting groove; 17, arc block; 18, gear ring; 19, arc groove; 20, rotating disc; 21, arc hole; 22, slide rod; 23, pinion; 24, micro motor; 25, support rod; 26, main gear. DETAILED DESCRIPTION

[0022] In order to make the utility model purposes, technical scheme carry out clearly, completely describe, and the advantage is more clear and distinct, following combining the drawing to the utility model embodiment further detailed explanation.Should understand, the specific embodiment described here is the utility model a part embodiment, instead of all the embodiment, just to explain the utility model embodiment, and not for the limitation of the utility model embodiment, the all other embodiment that the ordinary skill in the art person obtains under the premise of not making the creative labor, belongs to the scope of the utility model protection.

[0023] Embodiment one: please refer to Figures 1-4 The utility model provides a kind of technical scheme: a planetary gear transmission assembly, comprising: cover 1, cover 1 upper and lower sides are fixedly installed with cover plate 2, the whole assembly is protected by cover 1 and cover plate 2, cover 1 inner circle surface is fixedly connected with gear ring 3, cover 1 is fixed to gear ring 3, to improve the transmission stability of entire assembly, gear ring 3 is engaged with planetary gear 4 one side, planetary gear 4 other side is engaged with main gear 26, cover 1 upside is provided with oiling assembly, by the setting of oiling assembly, the addition of lubricating oil is facilitated, oiling assembly includes oil storage tank 5, oil storage tank 5 stores oil, oil storage tank 5 bottom is provided with opening and closing plate 6, the oil flow in oil storage tank 5 is controlled by the opening and closing of opening and closing plate 6, opening and closing plate 6 is slidably installed on the upper surface of support disc 7, support disc 7 is positioned to opening and closing plate 6, the lower surface of support disc 7 is communicated with oil outlet box 8, oil outlet box 8 temporarily stores the oil flow, oil outlet box 8 bottom is fixedly connected with a plurality of oil guide microtubes 9, oil guide microtube 9 is fixedly sleeved in the cover plate 2 of upside, oil guide microtube 9 penetrates cover plate 2 and is located in the inner circle position of gear ring 3, by the setting of oil guide microtube 9, lubricating oil slowly drops to the meshing place of planetary gear 4 and main gear 26, to lubricate.

[0024] The lubricating oil is added in the oil storage tank 5 in advance, so as to facilitate the subsequent addition of lubricating oil. When it is necessary to add lubricating oil during the operation of the whole assembly, the back movement of the two opening and closing plates 6 makes the opening and closing plates 6 no longer close the bottom of the oil storage tank 5, so that the lubricating oil flows into the oil outlet box 8, and then the lubricating oil is guided to the meshing position of the planetary gear 4 and the gear ring 3 through the oil guiding micro-pipes 9 arranged at the bottom of the oil outlet box 8, so that the lubricating oil adheres between them, that is, the surfaces of the planetary gear 4 and the gear ring 3 are smeared with lubricating oil. At the same time, due to the rotation of the planetary gear 4, it will also mesh with the main gear 26, so that the surface of the main gear 26 can be smeared with lubricating oil, avoiding the phenomenon of jamming or abnormal sound during long-time transmission, affecting the service life, improving the lubricating efficiency and the convenience of lubrication.

[0025] In the embodiment one, the upper and lower sides of the cover shell 1 are fixedly connected with the cover plate 2 through bolts, so as to facilitate the rapid disassembly between the cover plate 2 and the cover shell 1, and then the timely maintenance can be realized. The upper cover plate 2 is rotationally connected with one end of the main shaft 10, and the other end of the main shaft 10 is fixedly sleeved in the main gear 26. The upper cover plate 2 limits the main shaft 10. The main gear 26 is in meshing transmission with the planetary gear 4, and the planetary gear 4 is arranged in a circular array about the axis of the main gear 26. The planetary gear 4 is fixedly connected with one end of the connecting shaft 11, and the other end of the connecting shaft 11 is rotationally sleeved in the planetary carrier 12. The planetary carrier 12 improves the stability of the planetary gear 4 during rotation.

[0026] The embodiment three is based on the embodiment two, the oil storage tank 5 is arranged in the circumferential array about the shell 1 axis, the oil storage tank 5 is provided with three, so that more lubricating oil can be stored, the trouble of repeatedly adding lubricating oil is avoided, the sealing plug is screwed on the top of the oil storage tank 5, so that the sealing property of the oil storage tank 5 is good, the bottom of the oil storage tank 5 is communicated with the top of the flow guide pipe 13, the flow guide pipe 13 guides the lubricating oil in the oil storage tank 5, the sealing sleeve 14 is fixedly sleeved on the bottom of the flow guide pipe 13, the sealing sleeve 14 covers the bottom of the flow guide pipe 13, and abuts against the flap 6, so that the overflow of the lubricating oil is avoided, the lower surface of the oil storage tank 5 is fixedly connected with the oil outlet box 8 through the support rod 25, the upper surface of the oil outlet box 8 is fixedly connected with the support disc 7, the oil hole 15 is arranged on the surface center of the support disc 7, the oil hole 15 penetrates the top of the oil outlet box 8, so that the lubricating oil is conveniently entered into the oil outlet box 8, the oil outlet box 8 is fixedly installed on the upper cover plate 2, the limit groove 16 is symmetrically arranged on the upper surface of the support disc 7, the limit groove 16 limits the flap 6, the arc-shaped block 17 is fixedly connected with the edge of the upper surface of the support disc 7, the limit groove 16 and the flap 6 are slidably connected, the arc-shaped block 17 and the bottom of the gear ring 18 are slidably connected through the arc-shaped groove 19, the arc-shaped block 17 limits the gear ring 18, the gear ring 18 is fixedly sleeved on the rotating disc 20, the rotating disc 20 is slidably connected with the surface of the support disc 7, the arc-shaped hole 21 is arranged on the surface of the rotating disc 20, one end of the slide rod 22 is fixedly connected with the arc-shaped hole 21, the arc-shaped hole 21 limits the slide rod 22, the other end of the slide rod 22 is fixedly connected with the flap 6, the outer ring surface of the gear ring 18 is in meshing transmission with the pinion 23, the pinion 23 is fixedly sleeved on the output end of the micro motor 24, the micro motor 24 is electrically connected with the external terminal control equipment, and the bottom of the micro motor 24 is fixedly connected with the upper cover plate 2.

[0027] When the internal gear set of the cover 1 and the cover plate 2 needs to be added with lubricating oil during the whole assembly operation, the micro motor 24 is started by control, and the micro motor 24 drives the small gear 23 fixedly connected at the output end to rotate, the small gear 23 is engaged with the gear ring 18 to drive the gear ring 18 to rotate, the gear ring 18 drives the rotating disc 20 to rotate, the rotating disc 20 drives the slide rod 22 to slide in the arc-shaped hole 21 on the surface of the rotating disc 20, and the slide rod 22 is fixedly connected with the opening and closing plate 6, so that the opening and closing plate 6 is driven to move, the opening and closing plate 6 slides in the limiting groove 16 on the support disc 7, and then the two opening and closing plates 6 move away from each other, so that the opening and closing plate 6 no longer seals the flow guide pipe 13 at the bottom of the oil storage tank 5, and the oil liquid enters the oil outlet box 8 through the oil hole 15 on the support disc 7 and the oil outlet box 8, the lubricating oil flows from the flow guide pipe 13 arranged at the bottom of the oil outlet box 8 to the inside of the cover 1, and the lubricating oil drops into the tooth groove in the inside of the gear ring 3, the gear ring 3 is engaged with the planetary gear 4, so that the lubricating oil adheres to the planetary gear 4, the planetary gear 4 is engaged with the main gear 26, so that the lubricating oil adheres to the main gear 26, and the main gear 26, the planetary gear 4 and the gear ring 3 are lubricated, so that the phenomenon that the transmission is stuck or abnormal sound occurs for a long time is further avoided, and the service life is affected, the cover 1 is fixedly connected with the cover plate 2 through bolts on the upper and lower sides, so that the cover plate 2 and the cover 1 can be quickly disassembled, and then the maintenance can be carried out in time.

[0028] In actual use, the lubricating oil is added into the oil storage tank 5 in advance, when the internal gear set needs to be lubricated, the micro motor 24 is started by an external terminal control device, the output end drives the small gear 23 to rotate, the small gear 23 is engaged with the gear ring 18 to drive the gear ring 18 to rotate, the gear ring 18 drives the rotating disc 20 to rotate, the rotating disc 20 drives the slide rod 22 to slide through the arc-shaped hole 21, the slide rod 22 drives the opening and closing plate 6 to move away from each other in the limiting groove 16 on the support disc 7, so that the opening and closing plate 6 no longer seals the flow guide pipe 13, the lubricating oil flows from the oil storage tank 5 into the oil outlet box 8, and then drops into the tooth groove of the gear ring 3 through the oil guide micro tube 9; the gear ring 3 is engaged with the planetary gear 4, and the planetary gear 4 is engaged with the main gear 26, so that the lubricating oil is evenly applied to the surfaces of the gear ring 3, the planetary gear 4 and the main gear 26, the phenomenon that the transmission is stuck or abnormal sound occurs for a long time is avoided, and the service life is improved; at the same time, the cover 1 and the cover plate 2 are connected through bolts, so that the cover plate 2 and the cover 1 can be quickly disassembled, and the maintenance and repair are convenient.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A planetary gear assembly comprising a housing (1), characterised in that: The cover (1) is fixedly installed with a cover plate (2) on both sides, the inner ring surface of the cover (1) is fixedly connected with a gear ring (3), the gear ring (3) is engaged with one side of a planetary gear (4), and the other side of the planetary gear (4) is engaged with a main gear (26); An oil adding assembly is arranged on the upper side of the cover (1), the oil adding assembly comprises an oil storage tank (5), the bottom of the oil storage tank (5) is provided with an opening and closing plate (6), the opening and closing plate (6) is slidingly installed on the upper surface of a supporting disc (7), the lower surface of the supporting disc (7) is communicated with an oil outlet box (8), a plurality of oil guide microtubes (9) are fixedly connected to the bottom of the oil outlet box (8), the oil guide microtubes (9) penetrate through the cover plate (2) and are arranged at the inner ring position of the gear ring (3).

2. A planetary gear assembly according to claim 1, wherein: The cover (1) is fixedly connected with the cover plate (2) on both sides through bolts, the cover plate (2) on the upper side is rotatably connected with one end of a main shaft (10), and the other end of the main shaft (10) is fixedly sleeved in the main gear (26).

3. A planetary gear assembly according to claim 2, wherein: The main gear (26) is engaged with the planetary gear (4) for transmission, the planetary gear (4) is arranged in a circumferential array about the axis of the main gear (26), one end of the planetary gear (4) is fixedly connected with a connecting shaft (11), and the other end of the connecting shaft (11) is rotatably sleeved in a planet carrier (12).

4. A planetary gear assembly according to claim 1, wherein: The oil storage tank (5) is arranged in a circumferential array about the axis of the cover (1), a sealing plug is threadedly connected to the top of the oil storage tank (5), the bottom of the oil storage tank (5) is communicated with the top of a flow guide pipe (13), and a sealing sleeve (14) is fixedly sleeved to the bottom of the flow guide pipe (13).

5. A planetary gear assembly according to claim 4, wherein: The lower surface of the oil storage tank (5) is fixedly connected with the oil outlet box (8) through supporting rods (25) at four corners, the upper surface of the oil outlet box (8) is fixedly connected with the supporting disc (7), an oil hole (15) is formed in the center of the surface of the supporting disc (7), the oil hole (15) penetrates through the top of the oil outlet box (8), and the oil outlet box (8) is fixedly installed on the cover plate (2) on the upper side.

6. A planetary gear assembly according to claim 5, wherein: A limiting groove (16) is symmetrically formed in the upper surface of the supporting disc (7), an arc-shaped block (17) is fixedly connected to the edge of the upper surface of the supporting disc (7), the limiting groove (16) is slidingly connected between the opening and closing plate (6), and the arc-shaped block (17) is slidingly connected with an arc-shaped groove (19) formed in the bottom of a gear ring (18).

7. A planetary gear assembly according to claim 6, wherein: The gear ring (18) is fixedly sleeved in a rotating disc (20), an arc-shaped hole (21) is formed in the surface of the rotating disc (20), the arc-shaped hole (21) is fixedly connected with one end of a sliding rod (22), the other end of the sliding rod (22) is fixedly connected with the opening and closing plate (6), the outer ring surface of the gear ring (18) is engaged with a pinion (23) for transmission, the pinion (23) is fixedly sleeved in the output end of a micro motor (24), and the bottom of the micro motor (24) is fixedly connected with the cover plate (2) on the upper side.

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