CN215673540U

CN215673540U - Transmission type planetary gear box

Info

Publication number: CN215673540U
Application number: CN202122247704.7U
Authority: CN
Inventors: 曹林
Original assignee: Shenzhen Ccw Precision Industry Technology Co ltd
Current assignee: Shenzhen Ccw Precision Industry Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-28
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a transmission type planetary gear box, which relates to the field of planetary gears, and comprises a box body, wherein a gear ring is arranged in the box body, an input shaft penetrates through one side of the box body, one end of the input shaft is connected with a sun gear, the planetary gear is arranged on the outer side of the sun gear, a planetary carrier is triangular, the interior of the planetary carrier is of a hollow structure, a tripod has good stability, so that the planetary gear is warmer when in operation, the hollow structure is designed to facilitate the circulation of internal air, the through hole accelerates the circulation of the internal air on the premise of not influencing the overall structural strength of the planetary carrier, when in operation, a first fan blade rotates along with the rotation of the input shaft to blow the gear, so that the temperature of the gear is reduced, the planetary carrier also drives a second fan blade to rotate after rotating, the second fan blade rotates to discharge heat through a heat dissipation hole, and further plays a role in heat dissipation of the gear box, the gear box has a high-efficiency heat dissipation function, and the service life of the gear box is prolonged.

Description

Transmission type planetary gear box

Technical Field

The utility model relates to the field of planetary gears, in particular to a transmission type planetary gear box.

Background

The planetary gear box is a planetary reduction box, also called a gear box, and has a structure that a plurality of planetary gears rotate around a sun gear, and also is a mechanism for reducing the transmission speed ratio and increasing the torque force of a motor in proportion.

The prior art discloses a transmission type planetary gear box easy-to-detach planetary reducer which is applied as CN201922211728.X, and comprises a frame and a planet carrier, wherein a fixed groove is formed in the left side of the frame, an input shaft is connected inside the fixed groove, a fixed block is arranged on the outer side of the input shaft, a sliding groove is formed inside the fixed block, the fixed block is arranged on the outer side of the frame, a planet carrier is connected inside the planetary gear, a first fixed plate is arranged on the left side of the planet carrier and fixed by bolts, an output shaft is fixed on the right side of the planet carrier and penetrates through a fixed sleeve, the fixed sleeve is fixed on the right side of the frame, a second fixed plate is connected inside the upper surface of the frame, the second fixed plate above the frame can be detached, then the input shaft and the fixed block are detached, and the input shaft and the connecting rod can stretch out and draw back, therefore, the length of the device in the rack is shortened, the device can be conveniently taken out of the upper portion of the rack, but the output shaft of the gear box and the planet carrier are arranged integrally, the input shaft is easy to damage in the using process, when the output shaft is damaged, the planet carrier and the output shaft are required to be replaced together, the using cost is increased, secondly, when the planetary gear works for a long time, the temperature in the planetary gear is high, the working temperature is changed by changing lubricating grease alone, the purpose of heat dissipation cannot be achieved, therefore, the planetary gear reducer needs to be stopped for heat dissipation after working for a period of time, the phenomenon that the planetary gear is damaged due to overhigh temperature in the planetary gear reducer is avoided, the planetary gear reducer cannot be used for a long time, and the using efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a transmission type planetary gear box to solve the technical problems that an output shaft is inconvenient to disassemble and the heat dissipation effect is poor.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a transmission type planetary gear box, includes the box, the inside of box is provided with the ring gear, one side of box is run through there is the input shaft, the one end of input shaft is connected with sun gear, sun gear's the outside is provided with planetary gear, planetary gear's inside is run through there is the connecting rod, the one end of connecting rod is fixed with the planet carrier, the other end of connecting rod is fixed with the fixed plate, the surface of input shaft is provided with first flabellum, be fixed with the ring flange through the screw rod in the middle of the surface of planet carrier, one side of ring flange is fixed with the output shaft, the surface of planet carrier is provided with through-hole and second flabellum respectively, one side of box is run through there is the louvre.

Furthermore, the louvre is provided with the multiunit, and the multiunit the louvre is 45 slope settings.

Through adopting above-mentioned technical scheme, the louvre can be convenient for inside heat and discharge, and the slope sets up then can play certain dustproof and waterproof effect, improves the life of gear box.

Furthermore, the planet carrier is in an equilateral triangle shape, and the outer surface of the planet carrier is hollowed out.

Through adopting above-mentioned technical scheme, triangle-shaped has improved the stability of planet carrier, and the fretwork design can alleviate weight on the one hand, and on the other hand is difficult for receiving when the steam of then being convenient for discharges and blockking.

Furthermore, the screw rod is provided with the multiunit, just the ring flange is dismantled with the planet carrier through the multiunit screw rod and is set up.

Through adopting above-mentioned technical scheme, dismantle the setting and can make the output shaft independently change, reduced use cost.

Furthermore, the second fan blade is provided with a plurality of groups, and the plurality of groups of the second fan blades are obliquely arranged.

Through adopting above-mentioned technical scheme, the rotation of second flabellum has accelerated the velocity of flow of inside steam, has further improved the radiating efficiency.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, by arranging the flange plate and the screw rod, when the output shaft is damaged, a worker can detach the screw rod to further separate the flange plate from the planet carrier, so that the worker can replace the output shaft conveniently, and the defect that the output shaft and the planet carrier are required to be replaced integrally when a certain part is damaged is avoided, thereby causing unnecessary cost expenditure;

2. the utility model has the advantages that the first fan blade, the second fan blade, the through hole and the heat dissipation holes are arranged, the planet carrier is triangular, the interior of the planet carrier is in a hollow structure, the tripod has good stability, the planet gear is more temperature when in operation, the hollow structure is designed to facilitate the circulation of internal air, the through hole accelerates the circulation of the internal air on the premise of not influencing the integral structural strength of the planet carrier, when in operation, the first fan blade rotates along with the operation of the input shaft to blow air to the gear, the temperature of the gear is reduced, the planet carrier also drives the second fan blade to rotate after rotating, the second fan blade rotates to discharge heat through the heat dissipation holes, the purpose of dissipating heat of the gear box is further achieved, the gear box has an efficient heat dissipation function, the service life of the gear box is prolonged, and the heat dissipation holes are arranged in an inclined way of 45 degrees for achieving certain dustproof and waterproof purposes, therefore, dust and rainwater are not easy to enter the box body, and the box body is convenient to popularize and use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the ring gear of the present invention;

FIG. 3 is a schematic structural diagram of a planet carrier of the present invention;

fig. 4 is a schematic view of the structure of the flange plate of the present invention.

In the figure: 1. a box body; 2. an input shaft; 3. a fixing plate; 4. a connecting rod; 5. a first fan blade; 6. a ring gear; 7. a planetary gear; 8. a planet carrier; 9. a second fan blade; 10. heat dissipation holes; 11. an output shaft; 12. a through hole; 13. a flange plate; 14. a screw; 15. a sun gear.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A transmission type planetary gear box is disclosed, as shown in figures 1-4, comprising a box body 1, a gear ring 6 is arranged inside the box body 1, an input shaft 2 penetrates through one side of the box body 1, one end of the input shaft 2 is connected with a sun gear 15, a planetary gear 7 is arranged outside the sun gear 15, a connecting rod 4 penetrates through the inside of the planetary gear 7, a planet carrier 8 is fixed at one end of the connecting rod 4, a fixing plate 3 is fixed at the other end of the connecting rod 4, a first fan blade 5 is arranged on the outer surface of the input shaft 2, a flange 13 is fixed in the middle of the outer surface of the planet carrier 8 through a screw 14, the screw 14 is provided with a plurality of groups, the flange 13 is detached from the planet carrier 8 through a plurality of groups of screw 14, the detached arrangement can enable the output shaft 11 to be independently replaced, the use cost is reduced, an output shaft 11 is fixed at one side of the flange 13, a through hole 12 and a second fan blade 9 are respectively arranged on the outer surface of the planet carrier 8, one side of box 1 runs through there is louvre 10, and louvre 10 is provided with the multiunit, and multiunit louvre 10 is 45 slope settings, and louvre 10 can be convenient for inside heat and discharge, and the slope setting then can play certain dustproof and waterproof effect, improves the life of gear box.

Referring to fig. 1-3, the planet carrier 8 is an equilateral triangle, and the outer surface of the planet carrier is hollowed out, so that the stability of the planet carrier 8 is improved due to the triangle, and the hollowed-out design can reduce the weight of the vehicle and facilitate the discharge of hot air without being blocked.

Referring to fig. 1-3, the second blades 9 are provided with a plurality of sets, and the plurality of sets of second blades 9 are disposed in an inclined manner, so that the rotation of the second blades 9 accelerates the flow rate of the internal hot air, thereby further improving the heat dissipation efficiency.

The implementation principle of the embodiment is as follows: firstly, an operator installs the input shaft 2 and the output end of the motor, when the motor works, the input shaft 2 rotates to enable the sun gear 15 to rotate, so that the planet gear 7 rotates around the sun gear 15, the planet carrier 8 can be driven to rotate by the connecting rod 4 when the planet gear 7 rotates, the planet carrier 8 drives the output shaft 11 to rotate, the purposes of reducing the rotating speed and increasing the torque are achieved, when the input shaft 2 rotates, the first fan blade 5 rotates along with the operation of the input shaft 2 to blow air to the gear, so that the temperature of the gear is reduced, the planet carrier 8 can also drive the second fan blade 9 to rotate after rotating, the second fan blade 9 rotates to discharge heat through the heat dissipation holes 10, the purpose of dissipating heat of the gear box is achieved, when the output shaft 11 is damaged, the operator can detach the screw 14 to further separate the flange 13 from the planet carrier 8, and the operator can replace the output shaft 11 conveniently, the disadvantage that the output shaft 11 and the planet carrier 8 need to be replaced integrally when one part is damaged is avoided.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a transmission type planetary gear case, includes box (1), its characterized in that: a gear ring (6) is arranged in the box body (1), an input shaft (2) penetrates through one side of the box body (1), one end of the input shaft (2) is connected with a sun gear (15), a planetary gear (7) is arranged on the outer side of the sun gear (15), a connecting rod (4) penetrates through the planet gear (7), a planet carrier (8) is fixed at one end of the connecting rod (4), the other end of the connecting rod (4) is fixed with a fixed plate (3), the outer surface of the input shaft (2) is provided with a first fan blade (5), a flange plate (13) is fixed in the middle of the outer surface of the planet carrier (8) through a screw rod (14), one side of ring flange (13) is fixed with output shaft (11), the surface of planet carrier (8) is provided with through-hole (12) and second flabellum (9) respectively, louvre (10) have been run through to one side of box (1).

2. A drive-type planetary gearbox according to claim 1, wherein: the heat dissipation holes (10) are provided with multiple groups, and the heat dissipation holes (10) are arranged in an inclined manner at 45 degrees.

3. A drive-type planetary gearbox according to claim 1, wherein: the planet carrier (8) is in an equilateral triangle shape, and the outer surface of the planet carrier is hollowed out.

4. A drive-type planetary gearbox according to claim 1, wherein: the screw rod (14) is provided with a plurality of groups, and the flange plate (13) is detached from the planet carrier (8) through the plurality of groups of screw rods (14).

5. A drive-type planetary gearbox according to claim 1, wherein: the second fan blades (9) are provided with multiple groups, and the second fan blades (9) are obliquely arranged.