A heat sink for a speed reducer

The airbag-controlled cooling device solves the problem of uneven heat dissipation of the reducer at different speeds, achieving dynamic adjustment and efficient heat dissipation, and reducing energy consumption.

CN120845520BActive Publication Date: 2025-11-21TAIXING KANGSEN AITE TRANSMISSION EQUIP TECH CO LTD +1
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Patent Information

Application Number
CN202511333094.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-18
Publication Date
2025-11-21
Estimated Expiration
2045-09-18

AI Technical Summary

Technical Problem

The existing cooling methods for speed reducers suffer from uneven heat dissipation and cannot be effectively adjusted at different speeds, resulting in insufficient heat dissipation at low speeds and excessive heat that cannot be effectively dissipated at high speeds.

Method used

The airbag-controlled heat dissipation device utilizes the principle of thermal expansion and contraction to control the raising and lowering of cooling pipes and the opening and closing of cooling fans through airbag expansion or magnetic attraction, thereby achieving dynamic heat dissipation adjustment of the gear set.

Benefits of technology

This achieves uniform heat dissipation of the reducer at different speeds, reducing energy consumption and improving heat dissipation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of speed reducers, and discloses a heat dissipation device for a speed reducer, which comprises a box body, a cooling water tank is arranged on one side of the box body, a transmission motor is arranged on one side of the cooling water tank, a control box is arranged in the box body, a cooling pipeline is arranged on one side of the transmission motor, a lifting motor is fixedly connected to the top of a motor supporting block, a rotating spherical body is movably connected in a connecting ball, and an air bag is arranged. When the heat generated by the rotation of the gear set is overheated, the heat is transmitted to the inside of the control box. According to the principle of thermal expansion and cold contraction, the carbon dioxide in the air bag expands, the air bag expands, the first magnetic plate is pushed to the control switch, the control switch is opened, and the cooling pipeline is cooled. Through the interaction of the transmission motor, the lifting motor, the first gear, the rotating spherical body and the cooling pipeline, the cooling fan blows the cold air emitted by the cooling pipeline into the inside of the speed reducer box, and the gear set can be effectively cooled.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of speed reducer, more particularly to a heat dissipation device for speed reducer. BACKGROUND

[0002] Speed reducer is a commonly used speed reduction transmission device, which is generally composed of gear transmission, worm transmission, worm and gear transmission enclosed in rigid shell, and is widely used in power machinery, construction machinery, water conservancy machinery, chemical machinery, petroleum machinery and many other fields.

[0003] The existing speed reducer is mostly single and relies on the cooperation of air blower and air vent to make air flow to achieve the purpose of taking away the heat generated by the gear during operation, so as to realize the heat dissipation of the speed reducer. Such working mode can perform normal heat dissipation, but the structure has the problems of uneven heat dissipation and lack of adjustability of heat dissipation structure. When the gear operates at low speed, the heat generated is not much, and the heat dissipation structure can stably dissipate heat. When the gear operates at high speed, a large amount of heat is generated, and the single straight air flow cannot guarantee the heat dissipation of the working gear at each position. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the present application provides a heat dissipation device for speed reducer to solve the problems existing in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a heat dissipation device for speed reducer, comprising a box body, a cooling water tank is arranged on one side of the box body, a transmission motor is arranged on one side of the cooling water tank, a control box is arranged in the box body, a cooling pipeline is arranged on one side of the transmission motor, a supporting plate is arranged at the bottom of the transmission motor, a fixed frame is arranged on one side of the transmission motor, a motor supporting block is arranged at the top of the fixed frame, a lifting motor is fixedly connected to the top of the motor supporting block, a first threaded rod is fixedly connected to the inside of the fixed frame, an activity plate is arranged at the top of the lifting motor, a second gear is fixedly connected to the top of the lifting motor, a first gear is fixedly connected to the top of one side of the activity plate, a rotating rod is fixedly connected to the top of the first gear, a third gear is fixedly connected to the top of the other side of the activity plate, a second threaded rod is fixedly connected to the top of the third gear, a fixed rod is arranged on one side of the second threaded rod, a first connecting plate is fixedly connected to one side of the top of the fixed rod, a lifting rod is arranged in the fixed rod, a second connecting plate is fixedly connected to one side of the bottom of the lifting rod, a threaded connecting plate is fixedly connected to the other side of the bottom of the lifting rod, a liquid outlet pipe is fixedly connected to one side of the cooling water tank, a liquid inlet pipe is arranged at the bottom of the liquid outlet pipe, a supporting frame is fixedly connected to the bottom of the cooling water tank, a connecting ball is fixedly connected to one side of the liquid outlet pipe, and a rotating ball is movably connected to the inside of the connecting ball.

[0006] Further, one side of the box is provided with a fan fixing basket, the inside of the fan fixing basket is provided with a cooling fan, the inside of the box is fixedly connected with a speed reducer box, the inside of the speed reducer box is provided with a gear set, one side of the speed reducer box is fixedly connected with an exhaust port, one side of the exhaust port is fixedly connected with a louver, and the periphery of the speed reducer box is provided with a cooling groove.

[0007] Further, one side of the inside of the control box is fixedly connected with a control switch, one side of the control switch is provided with a first magnetic plate, one side of the first magnetic plate is provided with an air bag, one side of the air bag is provided with a second magnetic plate, and the bottom of the second magnetic plate is fixedly connected with a first guide rod.

[0008] Further, the periphery of the cooling pipeline is provided with a pipeline fixing ring, one side of the pipeline fixing ring is fixedly connected with a pipeline fixing frame, one side of the pipeline fixing frame is fixedly connected with a fourth connecting plate, the inside of the fourth connecting plate is fixedly connected with a second guide rod, the top of the second guide rod is fixedly connected with a third connecting plate, and the bottom of the third connecting plate is fixedly connected with a limiting plate.

[0009] Further, the second gear is meshed with the first gear or the third gear, the inside of the movable plate is provided with a movable groove, the bottom of the rotating rod is fixedly connected with the rotating ball, the two sides of the fixed rod are provided with movable grooves, the inside of the threaded connecting plate is provided with a threaded groove, the second connecting plate is fixedly connected with the pipeline fixing frame, the threaded groove in the inside of the threaded connecting plate is threadedly connected with the second threaded rod, and the liquid outlet pipe and the liquid inlet pipe can be arbitrarily telescopic.

[0010] Further, one side of the box is provided with a heat dissipation port.

[0011] Further, the top and the bottom of the control box are provided with through holes, and the inside of the air bag is provided with carbon dioxide.

[0012] Further, the third connecting plate is fixedly connected with one side of the box.

[0013] Technical effects and advantages of the present application:

[0014] 1. The air bag is provided, when the heat generated by the rotation of the gear set is overheated, the heat is transmitted to the inside of the control box, due to the principle of thermal expansion and cold contraction, the carbon dioxide in the air bag expands, the air bag expands, and the first magnetic plate is pushed to the control switch, so that the control switch is opened, under the interaction of the transmission motor, the lifting motor, the first gear, the rotating ball and the cooling pipeline and the like, the cooling fan blows the cold air emitted by the cooling pipeline into the inside of the speed reducer box, which can effectively cool the gear set.

[0015] 2. The application is provided with an air bag. When the heat generated by the gear rotation is not enough to expand the air bag, the second magnetic plate and the first magnetic plate are magnetically attracted to each other, causing the control switch to close. Through the interaction of the transmission motor, the lifting motor, the first gear, the rotating sphere, and the cooling pipeline, the cooling pipeline is lifted. At this time, the internal heat of the gear set is dissipated by the cooling fan, which can effectively reduce the energy consumption required for gear set cooling. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the application;

[0017] Figure 2 It is the overall structure schematic diagram of the reducer box inside;

[0018] Figure 3 It is the overall structure schematic diagram of the transmission motor;

[0019] Figure 4 It is the overall structure schematic diagram of the cooling pipeline;

[0020] Figure 5 It is the overall structure schematic diagram of the lifting motor;

[0021] Figure 6 It is the overall structure schematic diagram of the lifting rod;

[0022] Figure 7 It is the overall structure schematic diagram of the air bag.

[0023] The figure mark is: 1, box; 101, fan fixed basket; 102, cooling fan; 103, reducer box; 104, gear set; 105, exhaust port; 106, louver; 107, heat sink; 2, cooling water tank; 201, liquid outlet pipe; 202, liquid inlet pipe; 203, support frame; 204, connecting ball; 2041, rotating sphere; 3, transmission motor; 301, support plate; 302, fixed frame; 303, motor support block; 304, lifting motor; 305, first threaded rod; 306, movable plate; 307, first gear; 3071, rotating rod; 308, second gear; 309, third gear; 310, fixed rod; 311, second threaded rod; 312, first connecting plate; 313, lifting rod; 314, second connecting plate; 315, threaded connecting plate; 4, control box; 401, control switch; 402, first magnetic plate; 403, air bag; 404, first guide rod; 405, second magnetic plate; 5, cooling pipeline; 501, third connecting plate; 502, pipeline fixed frame; 503, pipeline fixed ring; 504, fourth connecting plate; 505, second guide rod; 5051, limiting plate. DETAILED DESCRIPTION

[0024] The technical solutions in the present application will be described clearly and completely in combination with the drawings in the present application. In addition, the forms of the structures described in the following embodiments are only examples, and the heat dissipation device for a speed reducer related to the present application is not limited to the structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0025] With reference to Figures 1 to 7 The present application provides a heat dissipation device for a speed reducer, which comprises a box body 1, a cooling water tank 2 arranged on one side of the box body 1, a transmission motor 3 arranged on one side of the cooling water tank 2, a control box 4 arranged in the box body 1, a cooling pipeline 5 arranged on one side of the transmission motor 3, a support plate 301 arranged at the bottom of the transmission motor 3, a fixed frame 302 arranged on one side of the transmission motor 3, a motor support block 303 arranged at the top of the fixed frame 302, a lifting motor 304 fixedly connected to the top of the motor support block 303, a first threaded rod 305 fixedly connected to the inside of the fixed frame 302, a movable plate 306 arranged at the top of the lifting motor 304, a second gear 308 fixedly connected to the top of the lifting motor 304, a first gear 307 fixedly connected to the top of one side of the movable plate 306, a rotating rod 3071 fixedly connected to the top of the first gear 307, a third gear 309 fixedly connected to the top of the other side of the movable plate 306, a second threaded rod 311 fixedly connected to the top of the third gear 309, a fixed rod 310 arranged on one side of the second threaded rod 311, a first connecting plate 312 fixedly connected to one side of the top of the fixed rod 310, a lifting rod 313 arranged in the fixed rod 310, a second connecting plate 314 fixedly connected to one side of the bottom of the lifting rod 313, a threaded connecting plate 315 fixedly connected to the other side of the bottom of the lifting rod 313, a liquid outlet pipe 201 fixedly connected to one side of the cooling water tank 2, a liquid inlet pipe 202 arranged at the bottom of the liquid outlet pipe 201, a support frame 203 fixedly connected to the bottom of the cooling water tank 2, a connecting ball 204 fixedly connected to one side of the liquid outlet pipe 201, and a rotating ball body 2041 movably connected to the inside of the connecting ball 204.

[0026] In a preferred embodiment, a fan fixing basket 101 is arranged on one side of the box body 1, a heat dissipation fan 102 is arranged in the fan fixing basket 101, a speed reducer box 103 is fixedly connected to the inside of the box body 1, a gear set 104 is arranged in the speed reducer box 103, an exhaust port 105 is fixedly connected to one side of the speed reducer box 103, a louver 106 is fixedly connected to one side of the exhaust port 105, and a heat dissipation groove 107 is arranged around the speed reducer box 103.

[0027] In a preferred implementation, one side of the control box 4 is fixedly connected with a control switch 401, one side of the control switch 401 is provided with a first magnetic plate 402, one side of the first magnetic plate 402 is provided with an air bag 403, one side of the air bag 403 is provided with a second magnetic plate 405, and the bottom of the second magnetic plate 405 is fixedly connected with a first guide rod 404.

[0028] In a preferred implementation, the periphery of the cooling pipe 5 is provided with a pipe fixing ring 503, one side of the pipe fixing ring 503 is fixedly connected with a pipe fixing frame 502, one side of the pipe fixing frame 502 is fixedly connected with a fourth connecting plate 504, the inside of the fourth connecting plate 504 is fixedly connected with a second guide rod 505, the top of the second guide rod 505 is fixedly connected with a third connecting plate 501, and the bottom of the third connecting plate 501 is fixedly connected with a limiting plate 5051.

[0029] Referring to Figure 3 and 5 , by starting the transmission motor 3, the output shaft drives the first threaded rod 305 to rotate, thereby driving the lifting motor 304 to move left and right, starting the lifting motor 304, the output shaft drives the second gear 308 to rotate, and through the meshing of the second gear 308 with the first gear 307 or the third gear 309, the first gear 307 or the third gear 309 is driven to rotate when the second gear 308 rotates, when the first gear 307 is meshed, the first gear 307 drives the rotating rod 3071 to rotate, and the rotating ball 2041 is rotated, and through the rotation of the rotating ball 2041, the liquid outlet pipe 201 can be opened or closed, and when the third gear 309 is meshed, the third gear 309 drives the second threaded rod 311 to rotate, and the second threaded rod 311 rotates to drive the threaded connecting plate 315 to move through the threaded hole in the threaded connecting plate 315, and the threaded connecting plate 315 moves to drive the lifting rod 313 to move along the direction of the fixed rod 310.

[0030] In this embodiment, it needs to be specifically supplemented that the second gear 308 is meshed with the first gear 307 or the third gear 309, the inside of the movable plate 306 is provided with a movable groove, the rotating rod 3071 is fixedly connected with the bottom of the rotating ball 2041, the two sides of the fixed rod 310 are provided with movable grooves, the inside of the threaded connecting plate 315 is provided with a threaded groove, the second connecting plate 314 is fixedly connected with the pipe fixing frame 502, the threaded groove in the inside of the threaded connecting plate 315 is threadedly connected with the second threaded rod 311, and the liquid outlet pipe 201 and the liquid inlet pipe 202 can be arbitrarily telescopic.

[0031] In this embodiment, it needs to be specifically supplemented that the side of the box body 1 is provided with a heat dissipation opening.

[0032] Referring to Figure 7When the heat generated by the rotation of the gear set 104 is overheated, the heat will be transmitted into the control box 4, due to the principle of thermal expansion and contraction, the carbon dioxide inside the air bag 403 expands, the air bag 403 expands, and the first magnetic plate 402 pushes the control switch 401, thereby opening the control switch 401, when the heat generated by the rotation of the gear set 104 is not enough to expand the air bag 403, the second magnetic plate 405 and the first magnetic plate 402 are magnetically attracted to each other, so that the control switch 401 is closed.

[0033] In this embodiment, it needs to be specifically supplemented that the top and bottom of the control box 4 are provided with through holes, the inside of the air bag 403 is provided with carbon dioxide, and the third connecting plate 501 is fixedly connected with one side of the box body 1.

[0034] The working principle of the present application is as follows: when the heat generated by the rotation of the gear set 104 is overheated, the heat will be transmitted into the control box 4, due to the principle of thermal expansion and contraction, the carbon dioxide inside the air bag 403 expands, the air bag 403 expands, and the first magnetic plate 402 pushes the control switch 401, thereby opening the control switch 401, the control switch 401 controls the transmission motor 3 to be opened, the output shaft drives the first threaded rod 305 to rotate, thereby driving the lifting motor 304 to move left and right, the lifting motor 304 is opened, the output shaft drives the second gear 308 to rotate, and the second gear 308 and the third gear 309 are meshed with each other, so that the third gear 309 drives the second threaded rod 311 to rotate, the second threaded rod 311 rotates through the threaded hole in the threaded connecting plate 315 to drive the threaded connecting plate 315 to move, the threaded connecting plate 315 moves to drive the lifting rod 313 to move along the direction of the fixed rod 310, and the second connecting plate 314 is fixedly connected with the pipeline fixing frame 502, so that when the lifting rod 313 descends, the cooling pipeline 5 descends, when the center point of the cooling pipeline 5 and the center point of the cooling fan 102 are aligned, the control transmission motor 3 is opened, the output shaft drives the first threaded rod 305 to rotate, thereby driving the lifting motor 304 to move left and right, and the first gear 307 is meshed with each other, so that the first gear 307 drives the rotating rod 3071 to rotate, and the rotating ball 2041 is rotated, the rotating ball 2041 can be rotated to open the liquid outlet pipe 201, so that the cooling liquid in the cooling water tank 2 is transported to the cooling pipeline 5 through the liquid outlet pipe 201, and the cooling fan 102 and the cooling liquid in the cooling pipeline 5 are matched to effectively cool the gear set 104.

[0035] When the heat generated by the gear set 104 is not enough to make the air bag 403 expand, the second magnetic plate 405 is magnetically attracted to the first magnetic plate 402, so that the control switch 401 is closed, the control transmission motor 3 is opened, the output shaft drives the first threaded rod 305 to rotate, thereby driving the lifting motor 304 to move left and right, and engaging with the first gear 307, so that the first gear 307 drives the rotating rod 3071 to rotate in the opposite direction, thereby rotating the rotating ball 2041 in the opposite direction. The rotation of the rotating ball 2041 can close the liquid outlet pipe 201, so that the cooling liquid in 5 flows into 2, the control transmission motor 3 is opened, the output shaft drives the first threaded rod 305 to rotate, thereby driving the lifting motor 304 to move left and right, the lifting motor 304 is opened, the output shaft drives the second gear 308 to rotate, and the second gear 308 is engaged with the third gear 309, so that the third gear 309 drives the second threaded rod 311 to rotate. The second threaded rod 311 rotates to drive the threaded connecting plate 315 to move through the threaded hole in the threaded connecting plate 315, the threaded connecting plate 315 moves to drive the lifting rod 313 to move along the direction of the fixed rod 310, and the second connecting plate 314 is fixedly connected with the pipeline fixing frame 502, so that the lifting rod 313 is lifted to lift the cooling pipeline 5. At this time, the heat dissipation fan 102 is used to dissipate heat from the inside of the gear set 104.

[0036] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined by the appended claims and their equivalents.

[0037] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0038] Secondly: the drawings of the disclosed embodiments of the present application only involve the structures related to the disclosed embodiments of the present application, other structures can refer to the usual design, and in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0039] Finally: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A heat dissipation device for a speed reducer, comprising a housing (1), characterized in that, A cooling water tank (2) is provided on one side of the housing (1), and a drive motor (3) is provided on one side of the cooling water tank (2). A control box (4) is provided inside the housing (1). A cooling pipe (5) is provided on one side of the drive motor (3). A support plate (301) is provided at the bottom of the drive motor (3). A fixed frame (302) is provided on one side of the drive motor (3). A motor support block (303) is provided on the top of the fixed frame (302). A lifting motor (304) is fixedly connected to the top of the motor support block (303). A first threaded rod (305) is fixedly connected inside the fixed frame (302). A movable plate (306) is provided on the top of the lifting motor (304). A second gear (308) is fixedly connected to the top of the lifting motor (304). A first gear (307) is fixedly connected to the top of one side of the movable plate (306). A rotating rod (3071) is fixedly connected to the top of the first gear (307). A third gear (309) is fixedly connected to the top of the other side of the plate (306). A second threaded rod (311) is fixedly connected to the top of the third gear (309). A fixing rod (310) is provided on one side of the second threaded rod (311). A first connecting plate (312) is fixedly connected to the top side of the fixing rod (310). A lifting rod (313) is provided inside the fixing rod (310). A second connecting plate (312) is fixedly connected to the bottom side of the lifting rod (313). 4) A threaded connecting plate (315) is fixedly connected to the other side of the bottom of the lifting rod (313), an outlet pipe (201) is fixedly connected to one side of the cooling water tank (2), an inlet pipe (202) is provided at the bottom of the outlet pipe (201), a support frame (203) is fixedly connected to the bottom of the cooling water tank (2), a connecting ball (204) is fixedly connected to one side of the outlet pipe (201), and a rotating ball (2041) is movably connected inside the connecting ball (204); A fan mounting basket (101) is provided on one side of the housing (1), and a cooling fan (102) is provided inside the fan mounting basket (101). A gearbox (103) is fixedly connected inside the housing (1), and a gear set (104) is provided inside the gearbox (103). An exhaust port (105) is fixedly connected on one side of the gearbox (103), and a louver (106) is fixedly connected on one side of the exhaust port (105). A heat dissipation groove (107) is opened around the gearbox (103). The cooling pipe (5) is surrounded by a pipe fixing ring (503). A pipe fixing bracket (502) is fixedly connected to one side of the pipe fixing ring (503). A fourth connecting plate (504) is fixedly connected to one side of the pipe fixing bracket (502). A second guide rod (505) is fixedly connected inside the fourth connecting plate (504). A third connecting plate (501) is fixedly connected to the top of the second guide rod (505). A limit plate (5051) is fixedly connected to the bottom of the third connecting plate (501). The second gear (308) meshes with the first gear (307) or the third gear (309). The movable plate (306) has a movable groove inside. The rotating rod (3071) is fixedly connected to the bottom of the rotating ball (2041). The fixed rod (310) has movable grooves on both sides. The threaded connecting plate (315) has a threaded groove inside. The second connecting plate (314) is fixedly connected to the pipe fixing bracket (502). The threaded groove inside the threaded connecting plate (315) is threadedly connected to the second threaded rod (311). The liquid outlet pipe (201) and the liquid inlet pipe (202) can extend and retract arbitrarily.

2. The heat dissipation device for a speed reducer according to claim 1, characterized in that: A control switch (401) is fixedly connected to one side inside the control box (4). A first magnetic plate (402) is provided on one side of the control switch (401). An airbag (403) is provided on one side of the first magnetic plate (402). A second magnetic plate (405) is provided on one side of the airbag (403). A first guide rod (404) is fixedly connected to the bottom of the second magnetic plate (405).

3. A heat dissipation device for a speed reducer according to claim 1, characterized in that: A heat dissipation vent is provided on one side of the box (1).

4. A heat dissipation device for a speed reducer according to claim 2, characterized in that: The control box (4) has through holes at the top and bottom, and the airbag (403) contains carbon dioxide.

5. A heat dissipation device for a speed reducer according to claim 1, characterized in that: The third connecting plate (501) is fixedly connected to one side of the box (1).

Citation Information

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