CN212480058U

CN212480058U - Planet wheel positioning structure of planetary reducer

Info

Publication number: CN212480058U
Application number: CN202020655546.1U
Authority: CN
Inventors: 胡炜
Original assignee: Ward Transmission Technology Tianjin Co ltd
Current assignee: Ward Transmission Technology Tianjin Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-02-05
Anticipated expiration: 2030-04-26

Abstract

The utility model provides a planetary gear positioning structure of planetary reducer, the on-line screen storage device comprises a base, and a housing, the internal gear dish, the output shaft, output shaft and planet wheel, input shaft and output shaft are located with the axle center, input shaft one end joint to planet wheel, the other end passes the first end fixed connection of shell to external motor, an output shaft end joint is to the planet wheel, the other end passes shell second end fixed connection to external equipment, the internal gear dish is cup jointed to the planet wheel periphery, the peripheral fixed connection of internal gear dish is to the shell inner wall, the base cross section is the arc structure, the shell periphery is installed at the base. A planetary reducer planet wheel location structure set up a baffle inside the gear, through to baffle thickness grinding adjustment, make distance ring and bearing inner circle pinpoint, avoid installing not in place, cause mechanical abnormal wear, extension speed reducer life.

Description

Planet wheel positioning structure of planetary reducer

Technical Field

The utility model belongs to the technical field of planetary reducer, especially, relate to a planetary reducer planet wheel location structure.

Background

The principle of the planetary reduction gear is a power transmission mechanism that uses a gear speed converter to reduce the number of revolutions of a motor to a desired number of revolutions and obtain a large torque. The gear with less teeth on the transmission shaft of the planetary reducer is meshed with the big gear on the output shaft to achieve the purpose of speed reduction.

There are two bearings in the planet wheel of current planetary reducer, and the bearing housing is epaxial at the planet carrier round pin, fixes a position with distance ring and jump ring respectively between two bearings, and the outer terminal surface of bearing contacts with the locating surface of planet carrier respectively, when the installation bearing, because of planet carrier and planet wheel machining error, leads to the planet carrier locating surface can not contact with the inner circle of bearing, and planet carrier location planet wheel bearing has the not-in-place problem.

Disclosure of Invention

In view of this, the utility model aims at providing a planetary reducer planet wheel location structure to solve when the installation bearing, because of planet carrier and planet wheel machining error, lead to the planet carrier locating surface can not contact with the inner circle of bearing, planet carrier location planet wheel bearing has the not-to-go bit problem.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a planetary gear positioning structure of planetary reducer, the on-line screen storage device comprises a base, and a housing, the internal gear dish, the output shaft, output shaft and planet wheel, input shaft and output shaft are located with the axle center, input shaft one end joint to planet wheel, the other end passes the first end fixed connection of shell to external motor, an output shaft end joint is to the planet wheel, the other end passes shell second end fixed connection to external equipment, the internal gear dish is cup jointed to the planet wheel periphery, the peripheral fixed connection of internal gear dish to the shell inner wall, the base cross section is the arc structure, the shell periphery is.

Further, the shell includes casing, upper cover, lower cover and first fixed plate, and first fixed plate periphery is fixed to the casing inner circle, and casing both ends are fixed connection respectively to upper cover and lower cover, and the casing periphery is installed in the base inboard, and the cross section of upper cover and lower cover is groove structure, and the upper cover bottom is equipped with the output shaft hole, and the lower cover bottom is equipped with the input shaft hole, and output shaft one end passes the output shaft hole and connects to demand equipment outward, and input shaft one end passes the input shaft hole and connects to the motor outward.

Further, the planet wheel includes rim plate, dish internal tooth, the first axis of a plurality of and a plurality of gear wheel subassembly, and the cross section of rim plate is the ring structure, and a plurality of dish through-hole of equipartition on the rim plate, rim plate inner circle equipartition dish internal tooth, output shaft one end joint to a dish internal tooth, and every centraxonial one end of first all is through a dish through-hole fixed connection to rim plate one side, and every first axis periphery all cup joints a gear assembly, and the rim plate passes through the gear assembly and connects to internal gear dish and input shaft in the joint respectively.

Further, the gear assembly includes first gear, the baffle, first distance ring, first bearing, second distance ring and second bearing, first axis is located first gear middle part, first gear is the tubbiness structure, first axis one end fixed connection to rim plate, other end fixed connection to first gear bottom, the baffle is cup jointed from the right side to left side in proper order to first axis that is located first gear inside, first distance ring, first bearing, second distance ring and second bearing, the periphery of first bearing and the periphery of second bearing all cup joint to first gear, the peripheral equipartition sawtooth of first gear.

Further, the internal gear dish includes second fixed plate and internal gear, and the second fixed plate is cup jointed to the internal gear periphery, a plurality of fixed orifices of equipartition on the second fixed plate, and the bolt passes the fixed orifices and with second fixed plate fixed connection to first fixed plate, internal gear inner wall equipartition sawtooth, internal gear inner wall respectively with the first gear engagement of a plurality of.

Furthermore, the input shaft comprises a second middle shaft and a second gear, one end of the second middle shaft is fixedly connected to one side of the second gear, the other end of the second middle shaft penetrates through the input shaft hole and is fixedly connected to the external motor, saw teeth are uniformly distributed on the periphery of the second gear, and the second gear is meshed with the plurality of first gears respectively.

Furthermore, the output shaft comprises a third middle shaft and a third gear, one end of the third middle shaft is fixedly connected to one side of the third gear, the other end of the third middle shaft penetrates through an output shaft hole to be externally connected with equipment, saw teeth are uniformly distributed on the periphery of the third gear, and the third gear is meshed with the inner teeth of the disc.

Compared with the prior art, a planetary reducer planet wheel location structure have following advantage:

(1) a planetary reducer planet wheel location structure set up a baffle inside the gear, through to baffle thickness grinding adjustment, make distance ring and bearing inner circle pinpoint, avoid installing not in place, cause mechanical abnormal wear, extension speed reducer life.

(2) A planetary gear machine planet wheel location structure, the baffle of interpolation is the monomer part, the adaptation wide range installs convenience additional, the utility is high, easily promotes.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an explosion structure schematic diagram of a planet wheel positioning structure of a planetary reducer according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an explosion structure of a housing according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an explosive structure of a planet wheel according to an embodiment of the present invention;

fig. 4 is a schematic view of an exploded structure of a gear assembly according to an embodiment of the present invention;

fig. 5 is a schematic view of an internal gear plate structure according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an input shaft according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an output shaft according to an embodiment of the present invention.

Description of reference numerals:

1-a base; 2-a housing; 21-a housing; 22-upper cover; 23-lower cover; 24-an output shaft hole; 25-input shaft hole; 26-a first fixing plate; 3-internal gear disc; 26-a first fixing plate; 3-internal gear disc; 31-a second fixing plate; 32-internal gear; 33-a fixation hole; 4-an input shaft; 41-second medial axis; 42-a second gear; 5-an output shaft; 51-third medial axis; 52-third gear; 6-planet wheel; 61-a wheel disc; 62-internal teeth of the disc; 63-disk through hole; 64-a first medial axis; 65-a gear assembly; 651-first gear; 652-a baffle; 653 — a first pitch ring; 654-a first bearing; 655-second distance ring; 656-second bearing.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, a planetary gear positioning structure of planetary reducer, including base 1, shell 2, internal gear dish 3, output shaft 4, output shaft 5 and planetary gear 6, input shaft 4 and output shaft 5 are located with the axle center, it is coaxial to guarantee the power of input and output, input shaft 4 one end joint is to planetary gear 6, the other end passes 1 first end fixed connection of shell to external motor, the rotational speed of motor output is slowed down to the regulation rotational speed through

planetary gear

6, 5 one end joints of output shaft are to planetary gear 6, the other end passes 1 second end fixed connection of shell to external equipment, with regulation rotational speed transmission to demand equipment, internal gear dish 3 is cup jointed to planetary gear 6 periphery, the peripheral fixed connection of internal gear dish 3 is to shell 1 inner wall, base 1 cross section is the arc structure, shell 2 periphery is installed at base 1 inboard.

As shown in fig. 2, the housing 2 includes a casing 21, an upper cover 22, a lower cover 23 and a first fixing plate 26, the periphery of the first fixing plate 26 is fixed to the inner ring of the casing 21, two ends of the casing 21 are respectively and fixedly connected to the upper cover 22 and the lower cover 23, the periphery of the casing 21 is installed on the inner side of the base 1, the cross sections of the upper cover 22 and the lower cover 23 are groove structures, an output shaft hole 24 is formed in the bottom end of the upper cover 22, an input shaft hole 25 is formed in the bottom end of the lower cover 23, one end of the output shaft 5 penetrates through the output shaft hole 24 and is externally connected to a demand device, and.

As shown in fig. 3, planet wheel 6 includes rim plate 61, a set internal tooth 62, a plurality of first axis 64 and a plurality of gear assembly 65, the cross section of rim plate 61 is the ring structure, equipartition a plurality of dish through-hole 63 on the rim plate 61, rim plate 61 inner circle equipartition dish

internal tooth

62, 5 one end joint of output shaft is to a set internal tooth 62, every first axis 46's one end all is through a dish through-hole 63 fixed connection to rim plate 61 one side, a gear assembly 65 all cup joints in every first axis periphery, rim plate 61 passes through gear assembly 65 and respectively joint to internal gear dish 3 and

input shaft

4, 4 bit gear assembly 65 of input shaft pass into rotary power, internal gear dish 3 restricts the orbit of gear assembly 65.

As shown in fig. 4, the gear assembly 65 includes a first gear 651, a baffle 652, a first distance ring 653, a first bearing 654, a second distance ring 655 and a second bearing 656, the first middle shaft 64 is located in the middle of the first gear 651, the cross section of the first gear 651 is a groove structure, one end of the first middle shaft 64 is fixedly connected to the wheel disc 61, the other end of the first middle shaft is fixedly connected to the bottom end of the first gear 651, the first middle shaft 64 located inside the first gear 651 is sleeved with the baffle 652, the first distance ring 653, the first bearing 654, the second distance ring 655 and the second bearing 656 in sequence from right to left, the periphery of the first bearing 654 and the periphery of the second bearing 656 are sleeved with the first gear 651, serrations are uniformly distributed on the periphery of the first gear 651, a worker can clamp the first distance ring 653, the first bearing 654, the second distance ring 655 and the second bearing 656 by adjusting the thickness of the baffle 652, so as to avoid gaps therebetween, causing wear to the components within the gear assembly 65.

As shown in fig. 5, the internal gear plate 3 includes a second fixing plate 31 and an internal gear 32, the second fixing plate 31 is sleeved on the periphery of the internal gear 32, a plurality of fixing holes 33 are uniformly distributed on the second fixing plate 31, bolts pass through the fixing holes 33 to fixedly connect the second fixing plate 31 to the first fixing plate 26, saw teeth are uniformly distributed on the inner wall of the internal gear 32, and a plurality of first gears 651 are respectively engaged with the inner wall of the internal gear 32 to limit the operation track of the gear assembly 65.

As shown in fig. 6, the input shaft 4 includes a second central shaft 41 and a second gear 42, one end of the second central shaft 41 is fixedly connected to one side of the second gear 42, the other end of the second central shaft passes through the input shaft hole 25 and is fixedly connected to the external motor, saw teeth are uniformly distributed on the periphery of the second gear 42, and the second gear 42 is respectively engaged with a plurality of first gears 651 to input rotary power.

As shown in fig. 7, the output shaft 5 includes a third middle shaft 51 and a third gear 52, one end of the third middle shaft 51 is fixedly connected to one side of the third gear 52, the other end of the third middle shaft passes through the output shaft hole 24 to be externally connected with the device, saw teeth are uniformly distributed on the periphery of the third gear 52, and the third gear 52 is meshed with the disc internal teeth 62 to output rotary power.

The installation process of the planet wheel positioning structure of the planetary reducer comprises the following steps:

the worker firstly installs the inner gear plate 3 on the inner wall of the shell 1 through bolts, the periphery of the shell 1 is sleeved on the base 1, one end of a plurality of first middle shafts 64 is fixedly connected to one side of the wheel disc 61 through a disc through hole 63, each middle shaft 64 is sleeved with a baffle 652, a first distance ring 653, a first bearing 654, a second distance ring 655 and a second bearing 656 in sequence, the worker measures whether the superposed height of the baffle 652, the first distance ring 653, the first bearing 654, the second distance ring 655 and the second bearing 656 is consistent with the groove depth of the first gear 651, if the superposed height is smaller, the baffle 652 is replaced, if the superposed height is larger, the baffle 652 is ground to ensure that the superposed height is consistent with the groove depth of the first gear 651, then the first gear 651 is sleeved on the periphery of the first middle shaft 64, the planet gears 6 are clamped to the inner ring of the inner gear plate 3, and the third gear 52 is meshed with the inner gear 62, the second gear 42 is meshed with the first gear 651, the second middle shaft 41 is externally connected with a motor, and the third middle shaft 51 is externally connected with a using device.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a planetary reducer planet wheel location structure which characterized in that: including base (1), shell (2), internal gear dish (3), input shaft (4), output shaft (5) and planet wheel (6), input shaft (4) and output shaft (5) coaxial setting, input shaft (4) one end joint to planet wheel (6), the other end passes shell (2) first end fixed connection to external motor, output shaft (5) one end joint to planet wheel (6), the other end passes shell (2) second end fixed connection to external equipment, planet wheel (6) periphery cup joints internal gear dish (3), the peripheral fixed connection of internal gear dish (3) to shell (2) inner wall, base (1) cross section is the arc structure, shell (2) bottom fixed connection to base (1).

2. The planetary gear positioning structure of a planetary reducer according to claim 1, characterized in that: shell (2) includes casing (21), upper cover (22), lower cover (23) and first fixed plate (26), first fixed plate (26) periphery is fixed to casing (21) inner circle, casing (21) both ends are fixed connection respectively to upper cover (22) and lower cover (23), casing (21) periphery is installed in base (1) inboardly, the cross section of upper cover (22) and lower cover (23) is groove structure, upper cover (22) bottom is equipped with output shaft hole (24), lower cover (23) bottom is equipped with input shaft hole (25), output shaft (5) one end is passed output shaft hole (24) and is external to demand equipment, input shaft (4) one end is passed input shaft hole (25) and is external to the motor.

3. The planetary gear positioning structure of a planetary reducer according to claim 2, characterized in that: planet wheel (6) are including rim plate (61), set internal tooth (62), a plurality of first axis (64) and a plurality of gear assembly (65), the cross section of rim plate (61) is the ring structure, a plurality of dish through-hole (63) of equipartition on rim plate (61), rim plate (61) inner circle equipartition dish internal tooth (62), dish internal tooth (62) and output shaft (5) one end joint, the first end of every first axis (64) is through a dish through-hole (63) fixed connection to rim plate (61) one side, the second end periphery of every first axis (64) cup joints a gear assembly (65), rim plate (61) are through gear assembly (65) joint respectively to internal gear dish (3) and input shaft (4).

4. The planetary gear positioning structure of a planetary reducer according to claim 3, characterized in that: the gear assembly (65) comprises a first gear (651), a baffle (652), a first distance ring (653), a first bearing (654), a second distance ring (655) and a second bearing (656), wherein the first middle shaft (64) is positioned in the middle of the first gear (651), the first gear (651) is of a barrel-shaped structure, one end of the first middle shaft (64) is fixedly connected to the wheel disc (61), the other end of the first middle shaft is fixedly connected to the bottom end of the first gear (651), the first middle shaft (64) positioned in the first gear (651) is sequentially sleeved with the baffle (652), the first distance ring (653), the first bearing (654), the second distance ring (655) and the second bearing (656), the periphery of the first bearing (654) and the periphery of the second bearing (656) are all sleeved with the first gear (651), and sawteeth are uniformly distributed on the periphery of the first gear (651).

5. The planetary gear positioning structure of a planetary reducer according to claim 3, characterized in that: internal gear dish (3) include second fixed plate (31) and internal gear (32), and second fixed plate (31) are cup jointed to internal gear (32) peripheral one side, and equipartition a plurality of fixed orifices (33) are gone up in second fixed plate (31), and the bolt passes fixed orifices (33) and with second fixed plate (31) fixed connection to first fixed plate (26), internal gear (32) inner wall equipartition sawtooth, internal gear (32) inner wall mesh with a plurality of first gear (651) respectively.

6. The planetary gear positioning structure of a planetary reducer according to claim 3, characterized in that: the input shaft (4) comprises a second middle shaft (41) and a second gear (42), one end of the second middle shaft (41) is fixedly connected to one side of the second gear (42), the other end of the second middle shaft penetrates through the input shaft hole (25) and is fixedly connected to an external motor, saw teeth are uniformly distributed on the periphery of the second gear (42), and the second gear (42) is meshed with a plurality of first gears (651) respectively.

7. The planetary gear positioning structure of a planetary reducer according to claim 3, characterized in that: the output shaft (5) comprises a third middle shaft (51) and a third gear (52), one end of the third middle shaft (51) is fixedly connected to one side of the third gear (52), the other end of the third middle shaft penetrates through the output shaft hole (24) to be externally connected with equipment, sawteeth are uniformly distributed on the periphery of the third gear (52), and the third gear (52) is meshed with the inner teeth (62) of the disc.