Sleeve type multi-speed transmission

By introducing heat dissipation and cleaning components into the sleeve-type multi-stage gearbox, the problem of heat accumulation under high load is solved, achieving effective heat dissipation and ventilation, reducing gear wear, improving transmission efficiency, and extending equipment life.

CN223469683UActive Publication Date: 2025-10-24SHENYANG KEHONG MECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202423296441.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-10-24
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing sleeve-type multi-stage transmissions generate a lot of heat under high load or long-term continuous operation, which leads to a decline in lubricating oil performance, increased gear wear, and reduced transmission efficiency.

Method used

A sleeve-type multi-stage gearbox, including a heat dissipation component and a cleaning component, was designed. It dissipates heat through a refrigeration unit and a fan system, releases cold air using a refrigeration plate and distributes it evenly by airflow, and drives a cleaning frame with a worm gear and worm wheel to clean the ventilation plate and prevent blockage.

Benefits of technology

It effectively reduces gear wear, maintains lubricant performance, improves transmission efficiency, and extends equipment life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sleeve type multi-stage speed changer, and particularly relates to the technical field of speed changers, the sleeve type multi-stage speed changer comprises a protective shell, the top of the protective shell is provided with two square concave holes I, the inner walls of the two square concave holes I are fixedly connected with ventilation plates, and a speed changer body is arranged in the protective shell; and a heat dissipation assembly is arranged in the protective shell, a cleaning assembly is arranged in the protective shell, and the heat dissipation assembly comprises a refrigerating machine. According to the sleeve type multi-stage speed changer, the heat dissipation assembly is arranged, specifically, the refrigerating machine is started to enable the refrigerating plate to release cold air, the motor is started to drive the refrigerating plate to generate wind power to evenly disperse the cold air generated by the refrigerating plate into the protective shell, and the speed changer body is rapidly cooled; according to the transmission, the situation that the performance of lubricating oil is affected can be avoided, abrasion of gears is reduced, and the transmission efficiency of the transmission is guaranteed due to the fact that heat generated by the transmission can be discharged in time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to transmission technical field, especially a sleeve type multistage transmission. BACKGROUND

[0002] Transmission is also called gearbox, is used to change the speed and torque from the engine, and can be fixed or change the transmission ratio of the output shaft and input shaft transmission, transmission is by transmission mechanism and operating mechanism, when needed, can also be installed power output, manual gearbox is mainly composed of gear and shaft, through different gear combination produces variable speed variable torque, and automatic gearbox is mainly composed of hydraulic torque converter, planetary gear, hydraulic variable distance system and hydraulic control system, through the way of hydraulic transmission and gear combination to achieve variable speed variable torque.

[0003] Most of the existing transmission is only through natural cooling, in the case of high load or long time continuous work, sleeve type multistage transmission inside will produce a large amount of heat, not only will the performance of lubricating oil will be significantly affected, aggravate the wear of gear, and due to high temperature, the transmission efficiency of the transmission will be reduced, therefore we put forward a sleeve type multistage transmission in order to solve the above problems. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a sleeve type multistage transmission, which can effectively solve the above problems.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0006] A sleeve type multistage transmission, comprising a protective shell, the protective shell top is provided with two square recesses one, the inner wall of two square recesses one is fixedly connected with a ventilation plate, the protective shell is internally provided with a transmission body, the protective shell is internally provided with a heat dissipation assembly, the protective shell is internally provided with a cleaning assembly.

[0007] Preferably, the heat dissipation assembly comprises a refrigerator, the refrigerator bottom is fixedly connected with the protective shell top, the protective shell inner wall is fixedly connected with two bellows, the protective shell inner wall is fixedly connected with two refrigeration plates, two refrigeration plates are located on the same side of the bellow right side.

[0008] Preferably, the refrigerator right end is fixedly connected with two pipes, two pipe bottoms are fixedly connected with the same side of the refrigeration plate top, two refrigeration plate tops are fixedly connected with a drain pipe, two drain pipes are fixedly connected with the surface of the refrigerator.

[0009] Preferably, the two bellows are symmetrically arranged with the center of the protective shell, the inner wall of the bellows is rotationally connected with a rotating shaft, the left end of the bellows is fixedly connected with a motor, and the output end of the motor is fixedly connected with the left end of the rotating shaft.

[0010] Preferably, the outer surface of the rotating shaft is fixedly connected with a plurality of fan blades, and the right end of the rotating shaft is fixedly connected with a worm.

[0011] Preferably, the cleaning assembly comprises a rotating shaft, the front surface and the back surface of the rotating shaft are rotationally connected with the inner wall of the protective shell, the outer surface of the rotating shaft is fixedly connected with two worm gears, the bottom of each worm gear is meshingly connected with the top of the same side worm, and the outer surface of the rotating shaft is fixedly connected with two bevel gears.

[0012] Preferably, the inner wall of the protective shell is rotationally connected with two reciprocating threaded rods, the two reciprocating threaded rods are symmetrically arranged with the center of the protective shell, the left end of the reciprocating threaded rod is fixedly connected with a bevel gear, and the side, away from the center of the protective shell, of the bevel gear is meshingly connected with the side, close to the center of the rotating shaft, of the same side bevel gear.

[0013] Preferably, the outer surface of the reciprocating threaded rod is rotationally connected with the inner wall of the same side fixed frame, the outer surface of the reciprocating threaded rod is threadedly connected with a moving frame, the front surface and the back surface of the protective shell are provided with square recesses, the inner wall of each square recess is slidably connected with the outer surface of the same side moving frame, the inner wall of each ventilation plate is slidably connected with a cleaning frame, and the bottom of each cleaning frame is fixedly connected with the top of the same side moving frame.

[0014] Compared with the prior art, the utility model has the advantages of the following:

[0015] 1、The utility model discloses a heat dissipation assembly is arranged, and the specific is that the refrigeration plate is released cold air by opening the refrigeration machine, and the cold air of refrigeration plate is evenly dispersed in the protective shell by opening the motor and driving the wind power, and the transmission efficiency of the transmission is guaranteed.

[0016] 2、The utility model discloses a cleaning assembly is arranged, and the specific is that the worm rotates and drives the reciprocating threaded rod to rotate through the worm gear, and the cleaning frame moves in the corresponding ventilation plate inner wall when the reciprocating threaded rod rotates, can avoid its blockage, not only guarantee the ventilation area and ventilation efficiency of the ventilation plate, prevent the performance decline, component damage etc. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the top of the protective shell of the utility model;

[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure of A;

[0020] Figure 4 This is a schematic diagram of the front cross-sectional structure of the bellows of the present invention;

[0021] Figure 5 This is a schematic diagram of the right side cross-sectional structure of the protective shell of the present invention.

[0022] In the figure: 1. Protective shell; 11. Ventilation plate; 12. Transmission body; 2. Heat dissipation assembly; 21. Refrigeration machine; 22. Refrigeration plate; 221. Pipe; 23. Bellows; 231. Rotating shaft; 232. Motor; 233. Fan blade; 234. Worm; 3. Cleaning assembly; 31. Rotating shaft; 311. Worm gear; 312. Bevel gear 1; 32. Reciprocating threaded rod; 321. Bevel gear 2; 33. Fixed frame; 331. Moving frame; 332. Cleaning frame. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] Example 1: Figures 1-5 As shown, a sleeve-type multi-stage transmission includes a protective shell 1, two square recessed holes are opened on the top of the protective shell 1, and ventilation plates 11 are fixedly connected to the inner walls of the two square recessed holes. A transmission body 12 is installed inside the protective shell 1, a heat dissipation component 2 is provided inside the protective shell 1, and a cleaning component 3 is provided inside the protective shell 1.

[0025] Specifically, in order to achieve the purpose of quickly cooling the transmission, refer to Figure 2 and Figure 4 In this embodiment, the heat dissipation assembly 2 includes a refrigerator 21, the bottom of the refrigerator 21 is fixedly connected to the top of the protective shell 1, two bellows 23 are fixedly connected to the inner wall of the protective shell 1, and two refrigeration plates 22 are fixedly connected to the inner wall of the protective shell 1. The two refrigeration plates 22 are both located on the right side of the bellows 23 on the same side.

[0026] For further information, see Figure 2In the embodiment, the right end of the refrigerator 21 is fixedly connected with two pipes 221, the bottom of each of the two pipes 221 is fixedly connected with the top of the same side of the refrigerating plate 22, the top of each of the two refrigerating plates 22 is fixedly connected with a liquid discharge pipe, and the end of each of the two liquid discharge pipes close to each other is fixedly connected with the surface of the refrigerator 21.

[0027] In the implementation process, the refrigerator 21 is opened to discharge the low-temperature refrigerant into the pipe 221 to flow, the refrigerant flowing in the pipe 221 enters the refrigerating plate 22 to release cold air, and the refrigerant no longer at low temperature reenters the refrigerator 21 to be cooled.

[0028] Further, referring to Figure 4 In the embodiment, the two bellows 23 are symmetrically arranged at the center of the protective shell 1, the inner wall of the bellows 23 is rotationally connected with a rotating shaft 231, the left end of the bellows 23 is fixedly connected with a motor 232, and the output end of the motor 232 is fixedly connected with the left end of the rotating shaft 231.

[0029] Further, referring to Figure 4 In the embodiment, the outer surface of the rotating shaft 231 is fixedly connected with a plurality of fan blades 233, and the right end of the rotating shaft 231 is fixedly connected with a worm 234.

[0030] In the implementation process, the two motors 232 are opened to drive the rotating shaft 231 to rotate in the inner wall of the corresponding bellows 23, the motor 232 rotates to drive the plurality of fan blades 233 to rotate, the rotating shaft 231 rotates to drive the worm 234 to rotate, and the fan blades 233 rotate to generate a wind force blowing into the protective shell 1, the generated wind force uniformly disperses the cold air generated by the refrigerating plate 22 in the protective shell 1 to cool the transmission body 12, the cold air timely takes away the heat generated by the transmission body 12 from the ventilation plate 11, which not only avoids the performance of the lubricating oil being affected, reduces the wear of the gear, but also timely discharges the heat generated by the transmission to ensure the transmission efficiency of the transmission.

[0031] Embodiment two, the embodiment is based on the first embodiment to set up a cleaning assembly.

[0032] Specifically, in order to realize the purpose of cleaning the ventilation plate to avoid blockage, referring to Figure 3 and Figure 5In the embodiment, the cleaning assembly 3 comprises a rotating shaft 31, the rotating shaft 31 is rotationally connected with the inner wall of the protective shell 1 on the front surface and the back surface, two worm gears 311 are fixedly connected with the outer surface of the rotating shaft 31, the bottom of the two worm gears 311 is meshingly connected with the top of the same side worm gear 234, and two bevel gears one 312 are fixedly connected with the outer surface of the rotating shaft 31.

[0033] Further, referring to Figure 3 In the embodiment, the inner wall of the protective shell 1 is rotationally connected with two reciprocating threaded rods 32, the two reciprocating threaded rods 32 are symmetrically arranged at the center of the protective shell 1, a bevel gear two 321 is fixedly connected with the left end of the reciprocating threaded rod 32, and the side, away from the center of the protective shell 1, of the bevel gear two 321 is meshingly connected with the side, close to the center of the rotating shaft 31, of the same side bevel gear one 312.

[0034] Further, referring to Figure 3 and Figure 5 In the embodiment, the outer surface of the protective shell 1 is fixedly connected with two fixing frames 33, the right side outer surface of the reciprocating threaded rod 32 is rotationally connected with the inner wall of the same side fixing frame 33, the outer surface of the reciprocating threaded rod 32 is threadedly connected with a moving frame 331, square recess holes two are formed in the front surface and the back surface of the protective shell 1, the inner wall of the two square recess holes two is slidingly connected with the outer surface of the same side moving frame 331, cleaning frames 332 are slidingly connected with the inner wall of the two ventilation plates 11, and the bottom of the two cleaning frames 332 is fixedly connected with the top of the same side moving frame 331.

[0035] In the implementation process, the rotating shaft 31 rotates in the inner wall of the protective shell 1 through the worm gear 311 when the worm gear 234 rotates, the bevel gear one 312 rotates when the rotating shaft 31 rotates, the reciprocating threaded rod 32 rotates through the bevel gear two 321 when the bevel gear one 312 rotates, the moving frame 331 reciprocatingly moves when the reciprocating threaded rod 32 rotates, and the cleaning frame 332 moves in the inner wall of the corresponding ventilation plate 11 when the moving frame 331 moves, so that the ventilation plate is prevented from being blocked, the ventilation area and the ventilation efficiency of the ventilation plate are ensured, the performance decline and the component damage caused by overheating are prevented, and the service life of the equipment is prolonged.

[0036] The working principle of the utility model is as follows: when the device is working, the refrigerating machine 21 is opened, low-temperature refrigerant is discharged into the pipeline 221 to flow, the refrigerant flowing in the pipeline 221 enters the refrigerating plate 22 to release cold air, and the refrigerant no longer at low temperature reenters the refrigerating machine 21 to be cooled.

[0037] The two motors 232 are opened to drive the rotating shafts 231 to rotate in the inner walls of the corresponding wind boxes 23, the motors 232 rotate to drive the plurality of fan blades 233 to rotate, the rotating shafts 231 rotate to drive the worms 234 to rotate, the fan blades 233 rotate to generate a wind force blowing to the inside of the protective shell 1, the generated wind force uniformly disperses the cold air generated by the refrigeration plate 22 in the inside of the protective shell 1 to cool the transmission body 12, the cold air timely takes out the heat generated by the transmission body 12 from the ventilation plate 11, which can not only avoid the situation that the performance of the lubricating oil is affected, reduces the wear of the gear, but also timely discharges the heat generated by the transmission, guarantees the transmission efficiency of the transmission.

[0038] The worms 234 rotate to drive the rotating shafts 31 to rotate in the inner walls of the protective shell 1 through the worm gears 311, the rotating shafts 31 rotate to drive the bevel gears one 312 to rotate, the bevel gears one 312 rotate to drive the reciprocating threaded rods 32 to rotate through the bevel gears two 321, the reciprocating threaded rods 32 rotate to drive the moving frames 331 to reciprocate, the moving frames 331 reciprocate to drive the cleaning frames 332 to move in the inner walls of the corresponding ventilation plates 11, which can avoid the blockage, guarantees the ventilation area and the ventilation efficiency of the ventilation plate, prevents the performance from being reduced and the components from being damaged due to overheating and other problems, and the good heat dissipation is very important for each component in the sleeve type multi-stage transmission, prolongs the service life of the equipment.

[0039] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall into the scope of the utility model claimed to be protected. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sleeve type multi-stage transmission, comprising a protective shell (1), two square recesses I are opened at the top of the protective shell (1), the inner walls of the two square recesses I are both fixedly connected with ventilation plates (11), a transmission body (12) is installed inside the protective shell (1), characterized in that: The protective shell (1) is internally provided with a heat dissipation assembly (2), and the protective shell (1) is internally provided with a cleaning assembly (3); The heat dissipation assembly (2) comprises a refrigerating machine (21), the bottom of the refrigerating machine (21) is fixedly connected with the top of the protective shell (1), two air bellow (23) are fixedly connected with the inner wall of the protective shell (1), and two refrigerating plates (22) are fixedly connected with the inner wall of the protective shell (1), and the two refrigerating plates (22) are located on the right side of the same side air bellow (23).

2. A sleeve-type multi-speed transmission according to claim 1, characterized in that: The right end of the refrigerating machine (21) is fixedly connected with two pipes (221), the bottom of the two pipes (221) is fixedly connected with the top of the same side refrigerating plate (22), and the top of the two refrigerating plates (22) is fixedly connected with a liquid discharge pipe.

3. A sleeve-type multi-speed transmission according to claim 2, characterized in that: The two air bellow (23) are symmetrically arranged with the center of the protective shell (1) as the center, the inner wall of the air bellow (23) is rotatably connected with a rotating shaft (231), and the left end of the air bellow (23) is fixedly connected with a motor (232).

4. A sleeve-type multi-speed transmission according to claim 3, characterized in that: The outer surface of the rotating shaft (231) is fixedly connected with a plurality of fan blades (233), and the right end of the rotating shaft (231) is fixedly connected with a worm (234).

5. A sleeve-type multi-speed transmission according to claim 4, characterized in that: The front surface and the back surface of the rotating shaft (31) are rotatably connected with the inner wall of the protective shell (1), two worm gears (311) are fixedly connected with the outer surface of the rotating shaft (31), the bottom of the two worm gears (311) is meshedly connected with the top of the same side worm (234), and two conical gears (312) are fixedly connected with the outer surface of the rotating shaft (31).

6. A sleeve-type multi-speed transmission according to claim 5, characterized in that: The inner wall of the protective shell (1) is rotatably connected with two reciprocating threaded rods (32), the two reciprocating threaded rods (32) are symmetrically arranged with the center of the protective shell (1) as the center, the left end of the reciprocating threaded rod (32) is fixedly connected with a conical gear (321), and the side, away from the center of the protective shell (1), of the conical gear (321) is meshedly connected with the side, close to the center of the rotating shaft (31), of the same side conical gear (312).

7. A sleeve-type multi-speed transmission according to claim 6, characterized in that: The outer surface of the reciprocating threaded rod (32) is rotatably connected with the inner wall of the same side fixed frame (33), the outer surface of the reciprocating threaded rod (32) is threadedly connected with a moving frame (331), the front surface and the back surface of the protective shell (1) are provided with square recesses (two), the inner wall of the two square recesses (two) is slidably connected with the outer surface of the same side moving frame (331), the inner wall of the two ventilation plates (11) is slidably connected with a cleaning frame (332), and the bottom of the two cleaning frames (332) is fixedly connected with the top of the same side moving frame (331).