Novel double-output gearbox structure

Abstract

The utility model discloses a novel double-output gearbox structure, which is characterized in that a first-stage driving gear set is in transmission fit with a transmission shaft of an external motor, and the first-stage driving gear set is in transmission fit with a first-stage output head through a first-stage output shaft, so that first-stage power output is realized; the second-stage driving gear set is in transmission fit with the first-stage driving gear set, and the second-stage driving gear set is in transmission fit with the second-stage output support through a second-stage output gear, so that second-stage power output is achieved. Through the transmission mode that the first-stage driving gear set and the second-stage driving gear set are combined, first-stage power output and second-stage power output can be provided at the same time, the diversified power requirements of mechanical equipment are met, and the application scene of the gearbox is widened. And compared with traditional gear transmission, the mode of a planetary gear driving structure is adopted, a larger transmission ratio can be achieved in the same space, the transmission efficiency is improved, the structure is even in stress, and the service life of the gearbox is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gear box technical field relates to a novel double -output gear box structure. BACKGROUND

[0002] In the field of mechanical transmission, gear transmission device as the key component of realizing power transmission and motion conversion is widely used in various mechanical equipment. The traditional gear transmission device often has problems such as complex structure, low transmission efficiency, single power output mode. For example, part of the gear box in realizing multistage power output, need to adopt a large number of independent transmission components, leading to assembly difficulty, and in the long-term operation process, due to numerous parts, the probability of failure is higher, and the maintenance cost increases. At the same time, single power output mode is difficult to meet the diversified, high-precision work demand of modern mechanical equipment. SUMMARY

[0003] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0004] A novel double -output gear box structure, including: gear box shell and the first drive gear group, second drive gear group, first output shaft, second output gear, first output head and second output support installed on the gear box shell;

[0005] The first drive gear group is in transmission with the transmission shaft of the external motor, and the first drive gear group is in transmission with the first output shaft and the first output head, so as to realize the first power output;

[0006] The second drive gear group is in transmission with the first drive gear group, and the second drive gear group is in transmission with the second output gear and the second output support, so as to realize the second power output.

[0007] As a further scheme of the utility model: the bottom of the gear box shell is formed with an inner tooth cavity, and the upper part of the inner tooth cavity is formed with an inner tooth ring arranged along the cavity wall, and the first drive gear group is arranged in the inner tooth cavity;

[0008] The first drive gear group includes a first planetary support, a first sun gear mounted on the first planetary support and a plurality of first planetary gears arranged around the first sun gear;

[0009] The first sun gear is located at the center position of the first planetary support and is in transmission with the transmission shaft of the external drive motor;The first planetary gear is engaged with the inner tooth ring of the inner tooth cavity;

[0010] The first output shaft is coaxially arranged with the first planetary support, and the first output head is installed at the top end position of the first output shaft and extends to the outside of the gear box shell.

[0011] As a further scheme of the utility model: the secondary drive gear set includes: the secondary drive gear nested on the primary output shaft and a plurality of secondary driven gears;

[0012] The secondary drive gear set includes: the secondary drive gear nested on the primary output shaft and a plurality of secondary driven gears;

[0013] The utility model discloses the beneficial effects: through the transmission mode of the combination of primary drive gear set and secondary drive gear set, can provide primary and secondary power output simultaneously, satisfies the power demand of mechanical equipment diversification, widens the application scene of gear box. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structure schematic diagram of the utility model.

[0015] Fig. 2 It is the structure exploded schematic diagram of the utility model.

[0016] Fig. 3 It is the structure schematic diagram of the primary drive gear set in the utility model.

[0017] Fig. 4 It is the structure schematic diagram of the secondary drive gear set in the utility model.

[0018] Fig. 5 It is the cooperation structure schematic diagram of the primary drive gear set and the secondary drive gear set in the utility model.

[0019] Fig. 6 It is the cooperation structure schematic diagram of the gear box shell and the drive gear set in the utility model. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments, it should be understood that the present application is not limited to the example embodiments disclosed here. Based on the embodiments in the present application, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the present application.

[0021] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0023] In the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0024] Please see Figs. 1-6 In this embodiment of the present invention, a novel dual-output gearbox structure includes: a gearbox housing 1 and a primary drive gear set 7, a secondary drive gear set 5, a primary output shaft 6, a secondary output gear 3, a primary output head 4, and a secondary output bracket 2 mounted on the gearbox housing 1.

[0025] The first-stage drive gear set 7 is driven by the transmission shaft of the external motor, and the first-stage drive gear set 7 is driven by the first-stage output shaft 6 and the first-stage output head 4 to realize the first-stage power output;

[0026] The secondary drive gear set 5 is engaged with the primary drive gear set 7, and the secondary drive gear set 5 is engaged with the secondary output bracket 2 through the secondary output gear 3 to achieve secondary power output.

[0027] Furthermore, the bottom of the gearbox housing 1 is formed with an internal gear cavity 12, and an internal gear ring 11 is formed on the upper part of the internal gear cavity 12 and arranged around its cavity wall. The first-stage drive gear set 7 is disposed in the internal gear cavity 12.

[0028] The primary drive gear set 7 comprises a primary planetary support 71 and a primary sun gear 73 and a plurality of primary planetary gears 72 arranged around the primary sun gear 73, which are installed on the primary planetary support 71;

[0029] The primary sun gear 73 is located at the center of the primary planetary support 71 and is in transmission cooperation with the transmission shaft of the external drive motor; the primary planetary gears 72 are respectively engaged with the inner ring gear 11 of the inner tooth cavity 12 to form a planetary gear drive structure;

[0030] The primary output shaft 6 is coaxially arranged with the primary planetary support 71, and the primary output head 4 is installed at the top end of the primary output shaft 6 and extends outward from the gear box shell 1;

[0031] In operation, the primary sun gear 73 is rotated by the drive motor, which drives the primary planetary gears 72 to rotate and revolve along the inner ring gear 11, so that the primary planetary support 71 rotates, and the primary output shaft 6 drives the primary output head 4 to rotate, achieving the effect of primary rotation output.

[0032] Further, the secondary drive gear set 5 comprises a secondary drive gear 54 nested on the primary output shaft 6 and a plurality of secondary driven gears 51;

[0033] The secondary transmission gear 53 surrounds the secondary drive gear 54 and is engaged therewith; the upper end of the secondary driven gear 51 is provided with the secondary transmission gear 53 coaxially arranged therewith, and the secondary output gear 3 is arranged at the center of each group of secondary transmission gears 53 (on the same axis as the primary output shaft 6) and is engaged with each group of secondary transmission gears 53;

[0034] The secondary output support 2 is a sleeve structure and is installed on the secondary output gear 3, and the primary output head 4 is located in the secondary output support 2;

[0035] In operation, the primary output shaft 6 rotates synchronously with the secondary drive gear 54, and the gear transmission path formed by the secondary drive gear 54, the secondary driven gear 51 and the secondary transmission gear 53 drives the secondary output gear 3 to rotate, thereby driving the secondary output support 2 to rotate, achieving the effect of secondary rotation output.

[0036] It is also to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components, and the term "an element" can include comparable reference to a plurality of elements. Additionally, the term "or" as used herein means any one member of a logical disjunction (i.e., it is equivalent to "or" and "or else") and not a logical exclusion. Also, the terms "comprise," "comprising," "include," "including," and the like mean "including but not limited to." Furthermore, the description herein uses terms such as first and second to denote different elements, but the applicants do not intend these terms to denote an ordering, because some of these elements can, in fact, precede other ones in some of the implementations.

[0037] The above description of disclosed embodiments provides examples, and is not intended to be limiting. Numerous modifications of the embodiments, as defined herein, will be apparent to those in the art, and will not depart from the spirit or scope of the application. Accordingly, the application will be limited only by the scope of the claims.

Claims

1. A novel dual-output gearbox structure, characterized in that, include: The gearbox housing and the first-stage drive gear set, the second-stage drive gear set, the first-stage output shaft, the second-stage output gear, the first-stage output head, and the second-stage output bracket mounted on the gearbox housing; The primary drive gear set is driven by the transmission shaft of the external motor, and the primary drive gear set is driven by the primary output shaft and the primary output head to achieve primary power output; The secondary drive gear set is engaged with the primary drive gear set, and the secondary drive gear set is engaged with the secondary output bracket through the secondary output gear to achieve secondary power output.

2. The novel dual-output gearbox structure according to claim 1, characterized in that, The bottom of the gearbox housing is formed with an internal gear cavity, and an internal gear ring is formed on the upper part of the internal gear cavity and is arranged around its cavity wall. The first-stage drive gear set is disposed in the internal gear cavity. The first-stage drive gear set includes: a first-stage planetary carrier and a first-stage sun gear mounted on the first-stage planetary carrier, and a plurality of first-stage planetary gears arranged around the first-stage sun gear; The first-stage sun gear is located at the center of the first-stage planetary carrier and is driven by the transmission shaft of the external drive motor; the first-stage planetary gears mesh with the internal gear ring in the internal gear cavity; The first-stage output shaft is coaxially arranged with the first-stage planetary support, while the first-stage output head is installed at the top of the first-stage output shaft and extends outwards from the gearbox housing.

3. The novel dual-output gearbox structure according to claim 1, characterized in that, The secondary drive gear set includes: a secondary drive gear nested on the primary output shaft and a plurality of secondary driven gears; The secondary transmission gear surrounds and meshes with the secondary drive gear; the upper end of the secondary driven gear is provided with a secondary transmission gear coaxially arranged with it; the secondary output gear is located at the center of each group of secondary transmission gears and meshes with each group of secondary transmission gears; the secondary output bracket is mounted on the secondary output gear.

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