Integrated planetary gearbox of exoskeleton hybrid drive unit

Abstract

The utility model discloses an integrated planetary gear box of an exoskeleton hybrid drive unit, which belongs to the technical field of reduction gearboxes, and comprises a box body, a transmission component for mechanical transmission and a lubricating component for lubricating mechanical parts, the transmission component is arranged in the box body, the lubricating component is arranged in the box body, and the transmission component is arranged in the box body. A spraying assembly is arranged in the box body, the lubricating assembly comprises an oil collecting tank fixedly arranged in the box body, and the bottom of the oil collecting tank fixedly communicates with an oil outlet pipe. According to the integrated planetary gear box of the exoskeleton hybrid drive unit, lubricating oil is stored under the action of an oil collecting tank, the lubricating oil is conveyed through cooperative use of an oil outlet pipe and an oil discharging pipe, and then through cooperative use of sponge and cotton strips, the lubricating oil slowly drips, the flowing speed is prevented from being too high, so that gear parts in the box body are lubricated, and the service life of the gear parts is prolonged. Local friction of key parts in the box body is reduced, and reliability and stability of the box body are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of reduction gearbox, and specifically relates to integrated planetary gearbox of exoskeleton hybrid drive unit. BACKGROUND

[0002] As a device capable of enhancing human function, the exoskeleton has a wide application prospect in the fields of military, medical rehabilitation and industry. The drive unit of the exoskeleton needs to have the characteristics of high efficiency, compactness and adaptability to complex working conditions. The planetary gearbox is widely used in many transmission systems due to its large transmission ratio, compact structure and strong carrying capacity.

[0003] In the prior art, the planetary gearbox usually adopts oil injection lubrication, and the key parts are lubricated by spraying lubricating oil. However, during the long-time work of the exoskeleton, the lubrication state in the gearbox is unstable, especially under complex working conditions such as rapid start-stop and frequent load change of the exoskeleton, which may not be able to lubricate the key parts in the planetary gearbox slowly and continuously, so that the local friction is intensified, and the reliability and stability of the planetary gearbox are affected.

[0004] At present, no effective solution has been proposed for the problems in the related art. CONTENT OF THE UTILITY MODEL

[0005] In view of the above shortcomings of the prior art, the utility model aims to provide an integrated planetary gearbox of an exoskeleton hybrid drive unit, which solves the problem that the key parts in the planetary gearbox may not be lubricated slowly and continuously.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] An integrated planetary gearbox of an exoskeleton hybrid drive unit, comprising a gearbox, a transmission assembly for mechanical transmission and a lubricating assembly for lubricating mechanical parts, the transmission assembly is arranged in the interior of the gearbox, the lubricating assembly is arranged in the interior of the gearbox, and a spraying assembly is arranged in the interior of the gearbox.

[0008] The lubricating assembly comprises an oil collecting tank fixed in the interior of the gearbox, the bottom of the oil collecting tank is fixedly communicated with an oil outlet pipe, the oil outlet pipe is fixedly penetrated through the gearbox, the bottom of the oil outlet pipe is fixedly communicated with an oil discharge pipe, the bottom of the oil discharge pipe is arranged in an inclined manner, a cotton plug is fixedly connected in the interior of the oil discharge pipe, the longitudinal section of the oil outlet pipe is arranged in an inclined manner, and a sponge is fixedly connected in the interior of the oil outlet pipe.

[0009] Preferably, the outer side wall of the oil collecting tank is fixedly communicated with a transmission pipe, a sealing cover is threadedly connected to the top of the transmission pipe, the transmission pipe is fixedly penetrated through the top of the gearbox, and the lubricating oil can be conveniently supplemented.

[0010] Preferably, the transmission assembly comprises a gear ring fixedly arranged in the box body, a transmission shaft is rotatably connected to the box body, a central gear is fixedly connected to the outer side wall of one end of the transmission shaft, a side gear is engaged with the outer side wall of the central gear, the side gear is engaged with the gear ring, and a movable rod is rotatably connected to the inner center of the side gear, so that the side gear can move conveniently.

[0011] Preferably, the movable rod is fixedly arranged with a planet carrier through a bearing, a center rod is fixedly connected to the center of the planet carrier, an installation disc is fixedly connected to the end of the center rod away from the planet carrier, and the installation disc is rotatably connected to the box body, so that the driving of the exoskeleton is realized.

[0012] Preferably, the side gear is provided with three, and the three side gears are arranged in a circumferential array in the interior of the gear ring, so that the transmission of power is facilitated.

[0013] Preferably, the spray assembly comprises a rack plate fixedly connected to the interior of the box body, and an oil mist generator is fixedly arranged on the rack plate, so that the transmission of lubricating oil is facilitated.

[0014] Preferably, the oil inlet of the oil mist generator is fixedly connected with a flow pipe, and the flow pipe is in communication with the oil collecting tank, so that the oil mist diffuses in the interior of the box body.

[0015] In summary, the integrated planetary gear box of the exoskeleton mixed drive unit has the following technical effects and advantages: through the action of the oil collecting tank, the lubricating oil is stored, the lubricating oil is transmitted through the cooperation of the oil outlet pipe and the oil discharge pipe, the lubricating oil is slowly dripped through the cooperation of the sponge and the cotton, the flow rate is avoided to be too fast, the gear parts in the interior of the box body are lubricated, the local friction of the key parts in the interior of the box body is reduced, and the reliability and stability of the box body are improved.

[0016] Through the action of the flow pipe, the lubricating oil in the oil collecting tank flows into the oil mist generator, and through the action of the oil mist generator, the generated oil mist can diffuse in the entire box body, and further lubricate other parts not directly sprayed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a lubricating assembly and related structure schematic view of the utility model;

[0019] Figure 3 It is an oil outlet pipe and related structure schematic view of the utility model;

[0020] Figure 4The utility model discloses a transmission assembly and its related structure schematic diagram.

[0021] In the drawing: 1, box body,

[0022] 2, transmission assembly, 21, gear ring, 22, transmission shaft, 23, central gear, 24, side gear, 25, movable rod, 26, planet carrier, 27, center rod, 28, mounting disc,

[0023] 3, lubricating assembly, 31, oil collecting tank, 32, oil outlet pipe, 33, oil discharge pipe, 34, cotton, 35, sponge, 36, transmission pipe, 37, sealing cover,

[0024] 4, spray assembly, 41, shelf plate, 42, oil mist generator, 43, flow pipe. Specific embodiments

[0025] The utility model provides a kind of integrated planetary gearbox of exoskeleton hybrid drive unit, to make the purpose, technical scheme and effect of the utility model more clear, definite, the following with reference to drawing and by example to the utility model further detailed explanation.It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the protection scope of the utility model.

[0026] With reference to Figures 1-4 A kind of integrated planetary gearbox of exoskeleton hybrid drive unit, including box body 1, transmission assembly 2 for mechanical transmission and lubricating assembly 3 for mechanical part lubrication, transmission assembly 2 is arranged in the inside of box body 1, lubricating assembly 3 is arranged in the inside of box body 1, the inside of box body 1 is provided with spray assembly 4, and spray assembly 4 further lubricates other components not contacted with lubricating oil;

[0027] Lubricating assembly 3 includes two oil collecting tanks 31 fixed in the inside of box body 1, two oil collecting tanks 31 are symmetrically distributed with the center axis of box body 1 as center, the bottom of oil collecting tank 31 is fixedly connected with oil outlet pipe 32, the longitudinal section of oil outlet pipe 32 is Y-shaped, oil outlet pipe 32 is fixedly penetrated through box body 1, the bottom of oil outlet pipe 32 is fixedly connected with oil discharge pipe 33, and the bottom of oil discharge pipe 33 is inclinedly arranged, cotton 34 is fixedly connected in the inside of oil discharge pipe 33, the longitudinal section of oil outlet pipe 32 is inclinedly arranged, sponge 35 is fixedly connected in the inside of oil outlet pipe 32, lubricating oil in the inside of oil collecting tank 31 flows downward through oil outlet pipe 32 and oil discharge pipe 33, and sponge 35 and cotton 34 make lubricating oil drop slowly, and lubricating oil drops in transmission assembly 2, to lubricate gear parts in the inside of box body 1.

[0028] With reference to Figure 2The outer side wall of the oil collecting tank 31 is fixedly connected with a transmission pipe 36, the transmission pipe 36 is located between the two oil collecting tanks 31, the top of the transmission pipe 36 is screw-connected with a sealing cover 37, the transmission pipe 36 is fixedly penetrated through the top of the box body 1, and the transmission pipe 36 and the sealing cover 37 facilitate supplement of lubricating oil to the inside of the oil collecting tank 31.

[0029] With reference to Figure 1 and Figure 4 The transmission assembly 2 comprises a gear ring 21 fixedly arranged in the inside of the box body 1, the box body 1 is rotationally connected with a transmission shaft 22, the outer side wall of one end of the transmission shaft 22 is fixedly connected with a central gear 23, the outer side wall of the central gear 23 is engaged with a side gear 24, the side gear 24 is provided with three, the three side gears 24 are arranged in a circumferential array in the inside of the gear ring 21, the outer side wall of the side gear 24 is matched with the inner side wall of the gear ring 21, the outer side wall of the side gear 24 is matched with the outer side wall of the central gear 23, the side gear 24 is engaged with the gear ring 21, the inside center of the side gear 24 is rotationally connected with a movable rod 25, after the driving motor is connected with the transmission shaft 22 and operates, the transmission shaft 22 drives the central gear 23 to rotate, the side gear 24 performs revolution and rotation, so that power transmission is realized.

[0030] With reference to Figure 4 The movable rod 25 is fixedly arranged with a planet carrier 26 through a bearing, the center of the planet carrier 26 is fixedly connected with a center rod 27, the center rod 27 is located at the center of one side of the planet carrier 26, one end of the center rod 27 away from the planet carrier 26 is fixedly connected with a mounting disc 28, the mounting disc 28 is rotationally connected with the box body 1, the movable rod 25 drives the planet carrier 26 to move, the center rod 27 drives the mounting disc 28 to rotate, so that driving of the exoskeleton is realized.

[0031] With reference to Figures 1-2 The spraying assembly 4 comprises a shelf plate 41 fixedly connected in the inside of the box body 1, the shelf plate 41 is fixedly arranged with an oil mist generator 42, after the oil mist generator 42 operates, oil mist diffuses in the inside of the box body 1, so that further lubrication is realized on other components not directly sprayed.

[0032] With reference to Figure 2 The oil inlet of the oil mist generator 42 is fixedly connected with a flow pipe 43, the flow pipe 43 is connected with the oil collecting tank 31, the longitudinal section of the flow pipe 43 is Y-shaped, and the lubricating oil in the inside of the oil collecting tank 31 is transmitted to the oil mist generator 42 through the flow pipe 43.

[0033] Working principle: first drive motor operation, power transmission shaft 22 is transmitted to the center gear 23, the center gear 23 starts to rotate, the transmission shaft 22 drives the side gear 24 meshing with it to revolve and rotate, the planet carrier 26 is forced to rotate, the center rod 27 drives the mounting disc 28 to rotate, when the transmission assembly 2 needs to be lubricated, the transmission pipe 36 and the sealing cover 37 are used to supplement the lubricating oil in the oil collecting tank 31, the lubricating oil in the oil collecting tank 31 flows downward through the oil outlet pipe 32, and is transmitted to the bottom tooth groove of the gear ring 21 through the oil discharge pipe 33, the sponge 35 is soaked in the lubricating oil and slowly drips through the cotton 34, when the side gear 24 passes through the bottom of the gear ring 21, the lubricating oil is attached to the side gear 24, and part of the lubricating oil flows into the oil mist generator 42 through the flow pipe 43, the oil mist generated by the oil mist generator 42 diffuses in the whole box 1, and further lubricates other parts not contacted with the lubricating oil.

[0034] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0035] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection or can communicate with each other, it can be direct connection, or indirect connection through intermediate medium, it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] It can be understood that, for ordinary skilled in the art, the technical scheme of the utility model and the utility model concept can be replaced or changed equivalently, and all these changes or replacements shall belong to the protection scope of the utility model.

Claims

1. An integrated planetary gearbox of an exoskeleton hybrid drive unit, characterized by, The utility model provides a box (1), transmission assembly (2) for mechanical drive and lubrication assembly (3) for mechanical part lubrication, transmission assembly (2) is arranged in the inside of box (1), lubrication assembly (3) is arranged in the inside of box (1), the inside of box (1) is provided with spray assembly (4); The lubrication assembly (3) includes an oil collecting tank (31) fixedly arranged in the inside of the box (1), the bottom of the oil collecting tank (31) is fixedly communicated with an oil outlet pipe (32), the oil outlet pipe (32) is fixedly penetrated through the box (1), the bottom of the oil outlet pipe (32) is fixedly communicated with an oil discharge pipe (33), and the bottom of the oil discharge pipe (33) is arranged in an inclined manner, the inside of the oil discharge pipe (33) is fixedly connected with a cotton bar (34), the longitudinal section of the oil outlet pipe (32) is arranged in an inclined manner, and the inside of the oil outlet pipe (32) is fixedly connected with a sponge (35).

2. The integrated planetary gearbox of a hybrid exoskeleton drive unit according to claim 1, wherein, The outside wall of the oil collecting tank (31) is fixedly communicated with a transmission pipe (36), the top of the transmission pipe (36) is threadedly connected with a sealing cover (37), and the transmission pipe (36) is fixedly penetrated through the top of the box (1).

3. The integrated planetary gearbox of a hybrid exoskeleton drive unit according to claim 1, wherein, The transmission assembly (2) includes a gear ring (21) fixedly arranged in the inside of the box (1), a transmission shaft (22) is rotatably connected to the box (1), a central gear (23) is fixedly connected to the outside wall of one end of the transmission shaft (22), the outside wall of the central gear (23) is engaged with a side gear (24), the side gear (24) is engaged with the gear ring (21), and the inside of the side gear (24) is rotatably connected with a movable rod (25).

4. The integrated planetary gearbox of a hybrid exoskeleton drive unit according to claim 3, wherein, The movable rod (25) is fixedly provided with a planet carrier (26) through a bearing, the center of the planet carrier (26) is fixedly connected with a center rod (27), the end, away from the planet carrier (26), of the center rod (27) is fixedly connected with a mounting disc (28), and the mounting disc (28) is rotatably connected with the box (1).

5. The integrated planetary gearbox of a hybrid exoskeleton drive unit according to claim 3, wherein, The side gear (24) is provided with three, and the three side gears (24) are arranged in a circumferential array in the inside of the gear ring (21).

6. The integrated planetary gearbox of a hybrid exoskeleton drive unit according to claim 1, wherein, The spray assembly (4) includes a rack plate (41) fixedly connected to the inside of the box (1), and the rack plate (41) is fixedly provided with an oil mist generator (42).

7. The integrated planetary gearbox of a hybrid exoskeleton drive unit according to claim 6, wherein, The oil inlet of the oil mist generator (42) is fixedly connected with a flow pipe (43), and the flow pipe (43) is communicated with the oil collecting tank (31).

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