CN217328406U

CN217328406U - High heat dissipation gearbox

Info

Publication number: CN217328406U
Application number: CN202220982552.7U
Authority: CN
Inventors: 卓志杨; 施剑波; 王盛学; 施昌昌
Original assignee: TAIZHOU WANZHOU MACHINERY CO Ltd
Current assignee: TAIZHOU WANZHOU MACHINERY CO Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-30
Anticipated expiration: 2032-04-25

Abstract

The utility model provides a high heat dissipation gearbox belongs to the gearbox technique. The gearbox solves the problems that the heat dissipation function of the existing gearbox is not ideal, or the heat dissipation function of part of the gearbox is directly omitted, so that parts of the gearbox are easily damaged, and a large amount of repair cost is generated. This high heat dissipation gearbox, including the gearbox casing, the gearbox casing on be provided with input shaft and output shaft, be provided with fixed gear and change gear in the gearbox casing, the gearbox casing divide into casing and lower casing, go up and connect through fixing bolt between casing and the lower casing, the bottom of casing is provided with a plurality of and is used for carrying out radiating heat abstractor down, a plurality of mounting groove has been seted up on the casing down, open pore one has been seted up on going up the casing, open pore two has been seted up on the lateral wall of casing down, go up and install gas shutoff head one on the casing, install gas shutoff head two on the casing down. The utility model has the advantages of high heat dissipation.

Description

High heat dissipation gearbox

Technical Field

The utility model belongs to the gearbox technique relates to a gearbox, in particular to high heat dissipation gearbox.

Background

Transmissions are one of the main components of an automotive driveline. The actual use conditions of the automobile are very complex, such as starting, idling stop, low-speed or high-speed running, acceleration, deceleration, climbing, backing and the like, so that the driving force and the speed of the automobile are required to be changed in a considerable range, and the output torque and the rotating speed of the piston engine which is widely adopted at present are relatively small in change range. In order to adapt to the constantly changing driving conditions and at the same time to operate the engine in favorable operating conditions (higher power and lower fuel consumption), a transmission is provided in the drive train.

Because the reduction gear of the speed changer is often in a meshing transmission state, a lot of heat can be generated, so that heat dissipation is particularly important for the speed changing box, but the heat dissipation function of the existing speed changing box is not ideal, or the heat dissipation function of part of the speed changing box is directly omitted, so that parts of the speed changing box are easily damaged, and a large amount of repair cost is generated.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a reasonable in design and simple structure and have the gearbox of high heat dissipation advantage.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a high heat dissipation gearbox, includes the gearbox casing, the gearbox casing on be provided with input shaft and output shaft, a serial communication port, the gearbox casing in be provided with fixed gear and change gear, the gearbox casing divide into casing and lower casing, last casing and lower casing between connect through fixing bolt, the bottom of casing is provided with a plurality of heat abstractor that is used for dispelling the heat down, lower casing on and for heat abstractor department set up a plurality of mounting groove that supplies corresponding heat abstractor to install, last casing on set up the trompil one that is used for giving vent to anger, set up the trompil two that is used for giving vent to anger on the lateral wall of casing down, last casing on and for the position department of trompil one install the stifled gas head one that is used for disappointing, lower casing on and for the position department of trompil install the stifled gas head two that is used for disappointing, the first gas blocking head and the second gas blocking head respectively slide at the first opening and the second opening to control the opening and the closing of the first opening and the second opening.

In foretell high heat dissipation gearbox, stifled first part stretch into in trompil one, and another part stretches out the outside of casing, stifled first epirelief be equipped with protruding ring, protruding ring on fixed mounting have reset spring one, reset spring's one end connect on protruding ring, just the other end of reset spring one is connected on the inner wall of last casing.

In the above high heat dissipation transmission, the joint of the upper shell and the first air shutoff head has an inclination, and the joint of the lower shell and the second air shutoff head also has an inclination.

In foretell high heat dissipation gearbox, stifled gas head two be the slope setting in two departments of trompil, two inside pipelines of giving vent to anger that have of stifled gas head, stifled gas head by the slide bar, carry the portion of drawing, support backup plate and reset spring two, carry the portion of drawing and set up as integrated into one piece with the slide bar, the one end of slide bar stretches into in the gearbox casing, two fixed mounting of reset spring support to support in the portion, just the other end of reset spring two links firmly each other with the inner wall of casing down, the slide bar on set up the hole of the outside outflow of air.

In foretell high heat dissipation gearbox, heat abstractor including installation skeleton and heat dissipation fan, heat dissipation fan install in the installation skeleton, the installation skeleton stretch into the bottom of casing mounting groove down, and through screw fixed connection on the casing down.

In the high-heat-dissipation gearbox, a first dust cover is fixedly mounted on the sliding rod relative to the opening, and a second dust cover for dust prevention is fixedly mounted between the first air blocking head and the upper shell.

Compared with the prior art, this high heat dissipation gearbox has following advantage:

1. the gearbox shell is of a split structure, when the inside of the gearbox is damaged, an operator can maintain the gearbox conveniently, and the service life of internal parts is prolonged.

2. The bottom of casing is provided with a plurality of heat abstractor down, and heat abstractor makes the inside air of gearbox flow, prevents that inside temperature from rising to all offer the stifled first and the stifled head that are used for disappointing on last casing and the casing down, when the temperature risees to a certain extent, can lose heart by manual control it, reduces the inside temperature of gearbox casing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a part of the structure of the present invention.

Fig. 3 is a schematic sectional structure diagram of the present invention.

Fig. 4 is a schematic structural diagram of the heat dissipation device of the present invention.

In the figure, 1, a gearbox housing; 2. an input shaft; 3. an output shaft; 4. fixing a gear; 5. a speed change gear; 6. an upper housing; 7. a lower housing; 8. a heat sink; 9. mounting grooves; 10. opening a first hole; 11. opening a second hole; 12. blocking a gas head I; 13. a second air plugging head; 14. a raised ring; 15. a first return spring; 16. an air outlet pipe; 17. a slide bar; 18. a pulling section; 19. a backup plate; 20. a second return spring; 21. a hole; 22. installing a framework; 23. a heat dissipation fan; 24. a first dust cover; 25. and a second dust cover.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1, 2, 3 and 4, the high heat dissipation gearbox comprises a gearbox shell 1, wherein an input shaft 2 and an output shaft 3 are arranged on the gearbox shell 1, a fixed gear 4 and a speed change gear 5 are arranged in the gearbox shell 1, the gearbox shell 1 is divided into an upper shell 6 and a lower shell 7, the gearbox shell 1 is of a split structure, so that the high heat dissipation gearbox is more convenient to maintain and inspect internal parts, the upper shell 6 and the lower shell 7 are connected through a fixed bolt, a plurality of heat dissipation devices 8 for dissipating heat are arranged at the bottom of the lower shell 7, a plurality of mounting grooves 9 for mounting corresponding heat dissipation devices 8 are arranged on the lower shell 7 and opposite to the heat dissipation devices 8, a first opening hole 10 for exhausting air is arranged on the upper shell 6, a second opening hole 11 for exhausting air is arranged on the side wall of the lower shell 7, go up casing 6 on and install the stifled first 12 of gas that is used for disappointing for the position department of trompil 10, lower casing 7 on and install the stifled second 13 of gas that is used for disappointing for the position department of trompil, stifled first 12 of gas and stifled second 13 of gas slide in trompil 10 and two 11 departments of trompil respectively, control opening and close of trompil 10 and two 11.

In a further elaboration, because gears inside the gearbox are in continuous meshing transmission in the running process, the temperature inside the gearbox can be caused to rise, and before the operation, a plurality of heat dissipation devices 8 are fixedly installed at the bottom of the lower shell 7, so that the internal air can flow, the temperature inside the gearbox cannot rise too fast, when the internal temperature rises, because the pressure in the internal air is greater than the pressure of the external air, the first opening 10 and the second opening 11 are in a closed state, the protruding ring 14 of the first gas blocking head 12 and the abutting plate 19 on the second gas blocking head 13 can both move outwards, meanwhile, the first return spring 15 and the second return spring 20 can compress, the first gas blocking head 12 and the second gas blocking head 13 move outwards, the first opening 10 and the second opening 11 are in an open state, the air with higher internal temperature can flow outwards, and the air with relatively lower external temperature can flow inwards, therefore, the temperature inside the gearbox shell 1 is reduced, and when the temperature inside the gearbox shell is reduced, the gas blockage heads 12 and the gas blockage heads 13 can return under the action of the

return springs

15 and 20.

In a further elaboration, the first gas shutoff head 12 and the second gas shutoff head 13 can be pulled by an operator, so that the gearbox shell 1 is actively cooled, and the heat dissipation performance of the gearbox is greatly improved.

Further saying in detail, stifled first 12 parts of gas stretch into in trompil 10, and another part stretches out the outside of casing 6, stifled first 12 epirelief of gas be equipped with protruding ring 14, protruding ring 14 on fixed mounting have a reset spring 15, reset spring's one end connect on protruding ring 14, just reset spring 15's the other end connect on the inner wall of last casing 6.

In more detail, the joint of the upper shell 6 and the gas blockage head I12 has an inclination, and the joint of the lower shell 7 and the gas blockage head II 13 also has an inclination.

In more detail, the second air blocking head 13 is obliquely arranged at the second opening 11, an air outlet pipeline 16 for air outlet is arranged inside the second air blocking head 13, the second air blocking head is composed of a sliding rod 17, a lifting part 18, a leaning plate 19 and a second return spring 20, the lifting part 18 and the sliding rod 17 are integrally formed, one end of the sliding rod 17 extends into the gearbox shell 1, the second return spring 20 is fixedly arranged on the leaning part, the other end of the second return spring 20 is fixedly connected with the inner wall of the lower shell 7, and a hole 21 for air to flow out is formed in the sliding rod 17.

In further detail, the heat dissipation device 8 comprises an installation framework 22 and a heat dissipation fan 23, the heat dissipation fan 23 is installed in the installation framework 22, the installation framework 22 extends into the bottom of the installation groove 9 of the lower shell 7 and is fixedly connected to the lower shell 7 through screws.

In detail, a first dust cover 24 is fixedly mounted on the sliding rod 17 and opposite to the opening, and a second dust cover 25 for dust prevention is fixedly mounted between the first air blocking head 12 and the upper shell 6.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the transmission case housing 1, the input shaft 2, the output shaft 3, the fixed gear 4, the transmission gear 5, the upper housing 6, the lower housing 7, the heat sink 8, the mounting groove 9, the first opening 10, the second opening 11, the first air lock head 12, the second air lock head 13, the raised ring 14, the first return spring 15, the air outlet duct 16, the slide bar 17, the pulling portion 18, the abutting plate 19, the second return spring 20, the hole 21, the mounting frame 22, the heat dissipating fan 23, the first dust cover 24, the second dust cover 25, and the like in the drawings are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims

1. A high-heat-dissipation gearbox comprises a gearbox shell (1), wherein an input shaft (2) and an output shaft (3) are arranged on the gearbox shell (1), and the high-heat-dissipation gearbox is characterized in that a fixed gear (4) and a speed change gear (5) are arranged in the gearbox shell (1), the gearbox shell (1) is divided into an upper shell (6) and a lower shell (7), the upper shell (6) and the lower shell (7) are connected through a fixing bolt, a plurality of heat dissipation devices (8) for heat dissipation are arranged at the bottom of the lower shell (7), a plurality of mounting grooves (9) for mounting corresponding heat dissipation devices (8) are formed in the lower shell (7) relative to the heat dissipation devices (8), a first hole (10) for air outlet is formed in the upper shell (6), a second hole (11) for air outlet is formed in the side wall of the lower shell (7), go up casing (6) on and install the stifled first (12) that is used for disappointing for the position department of trompil (10), lower casing (7) on and install stifled first (13) that is used for disappointing for the position department of trompil, stifled first (12) and stifled first (13) slide in trompil (10) and two (11) departments of trompil respectively, control opening and close of trompil (10) and two (11).

2. The high-heat-dissipation gearbox according to claim 1, characterized in that the first gas shutoff head (12) partially extends into the first opening (10), and the other part extends out of the upper shell (6), a protruding ring (14) is convexly arranged on the first gas shutoff head (12), a first return spring (15) is fixedly mounted on the protruding ring (14), one end of the return spring is connected to the protruding ring (14), and the other end of the first return spring (15) is connected to the inner wall of the upper shell (6).

3. The gearbox with high heat dissipation performance as recited in claim 1, characterized in that the joint of the upper shell (6) and the air blocking head I (12) is provided with a slope, and the joint of the lower shell (7) and the air blocking head II (13) is also provided with a slope.

4. The high-heat-dissipation gearbox according to claim 1, wherein the second air blocking head (13) is obliquely arranged at the second opening (11), an air outlet pipeline (16) for air outlet is arranged inside the second air blocking head (13), the second air blocking head comprises a sliding rod (17), a lifting part (18), a support plate (19) and a second return spring (20), the lifting part (18) and the sliding rod (17) are integrally formed, one end of the sliding rod (17) extends into the gearbox shell (1), the second return spring (20) is fixedly arranged on the support part, the other end of the second return spring (20) is fixedly connected with the inner wall of the lower shell (7), and a hole (21) for air to flow out is formed in the sliding rod (17).

5. The high-heat-dissipation gearbox according to claim 1, wherein the heat dissipation device (8) comprises an installation framework (22) and a heat dissipation fan (23), the heat dissipation fan (23) is installed in the installation framework (22), and the installation framework (22) extends into the bottom of the installation groove (9) of the lower casing (7) and is fixedly connected to the lower casing (7) through screws.

6. The high-heat-dissipation gearbox according to claim 4, wherein a first dust cover (24) is fixedly mounted on the sliding rod (17) opposite to the opening, and a second dust cover (25) for dust prevention is fixedly mounted between the first air blocking head (12) and the upper shell (6).