Speed reducer convenient to dissipate heat

Abstract

The utility model discloses a speed reducer convenient for heat dissipation, and relates to the technical field of speed reducers, the speed reducer comprises a speed reducer body, and an output shaft is arranged on one side of the speed reducer body, the speed reducer has the beneficial effects that when the speed reducer works, the output shaft rotates to drive a driving belt pulley, a driven belt pulley and a transmission belt to rotate; the connecting shaft on one side of the driven belt wheel drives the gears to rotate, the two gears are meshed, teeth of the two gears are separated from each other to form low pressure, and lubricating oil in the speed reducer body can be sucked into the sealing groove through the through hole and the liquid inlet pipe and flows to the other sides of the two gears through the inner wall of the sealing groove. Meanwhile, teeth on the other sides of the two gears are mutually folded to form high pressure, so that lubricating oil can be discharged from through holes in the other sides and enters a heat dissipation pipe, then the flowing lubricating oil is cooled through cooling liquid in a cooling liquid box, the cooling and heat dissipation effects are effectively achieved, the cooling efficiency of the speed reducer from the interior is higher through the lubricating oil, and the service life of the speed reducer is prolonged. And the heat dissipation effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a reducer which is convenient for heat dissipation. Background Art

[0002] A reducer is an independent component consisting of a gear transmission, a worm transmission, or a gear-worm transmission enclosed in a rigid housing. It is often used as a reduction transmission device between the prime mover and the working machine. The reducer will generate a certain temperature during operation. The temperature changes according to climatic conditions, load capacity, the meshing conditions between internal gears, and internal mechanical damage. If the reducer operates at an abnormal temperature for a long time, it will cause abnormal wear between the internal gears of the reducer.

[0003] According to a reducer with application number 202121648430.6, a heat dissipation mechanism is arranged on the outer surface of the upper end of the reducer. When the reducer is started and the heat is generated and accumulated on the top of the reducer body, the heat is transferred to the heat conductive sheet through the thermal grease coating. The heat of the reducer is transferred to multiple heat conductive sheets to increase the heat dissipation area. The fan is started to allow the air to quickly dissipate the heat from the heat conductive sheet, thereby achieving the purpose of facilitating the heat dissipation of the reducer body, improving the stability of the device, and increasing the service life.

[0004] However, the above reducer only dissipates heat through a fan, and can only dissipate heat from the top of the reducer, with poor heat dissipation efficiency and loud noise during use. In addition, during daily use, the wear of the gears inside the reducer will produce iron filings in the lubricating oil inside it. If the iron filings are not cleaned for a long time, the wear of the gears will increase. It is inconvenient to replace the lubricating oil and clean the iron filings inside the reducer. For this reason, we propose a reducer that is easy to dissipate heat. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a speed reducer that is easy to dissipate heat, thereby solving the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a reducer that is easy to dissipate heat, including a reducer body, an output shaft is provided on one side of the reducer body, a transmission box is fixedly installed on one side of the reducer body, the output shaft is rotatably connected with the transmission box, a transmission groove is opened inside the transmission box, a driving pulley is fixedly installed on the outside of the output shaft and located inside the transmission groove, a driven pulley is rotatably installed on the bottom of the transmission groove, a transmission belt is installed on the outside of the driving pulley and the driven pulley, and the transmission box is inside and located at the transmission A sealing groove is provided on one side of the groove, and two gears are rotatably installed inside the sealing groove. A connecting shaft is fixedly installed on one side of the driven pulley, and one end of the connecting shaft extends to the inside of the sealing groove and is fixedly connected to a gear. Through holes are provided on both sides of the inside of the transmission box and located in the middle of the sealing groove. A liquid inlet pipe is fixedly installed on one side of the transmission box, and the liquid inlet pipe is connected to the through hole. A heat dissipation pipe is fixedly installed on the other side of the transmission box, and the heat dissipation pipe is connected to the through hole. A coolant tank is fixedly installed on one side of the reducer body, and one end of the heat dissipation pipe passes through the inside of the coolant tank.

[0007] Preferably, a filter tube is installed in the middle of the heat dissipation tube, and limiting rings are fixedly installed on the outside of the heat dissipation tube and at both ends of the filter tube, a sealing ring is fixedly installed on one side of the limiting ring, and the sealing ring cooperates with the filter tube, a threaded sleeve is movably sleeved on the outside of the heat dissipation tube, the threaded sleeve is threadedly connected to the filter tube, the threaded sleeve cooperates with the limiting ring, and a filter screen is arranged in the middle of the inside of the filter tube.

[0008] Preferably, the heat dissipation pipes are distributed in a serpentine shape inside the coolant tank.

[0009] Preferably, a coolant adding port is provided at the top of the coolant tank, a coolant discharging port is provided at the bottom of one side of the coolant tank, and both the adding port and the discharging port are provided with sealing covers.

[0010] Preferably, a hole cooperating with the heat dissipation pipe is opened in the middle of the threaded sleeve.

[0011] Preferably, threads are provided on the outer sides of both ends of the filter tube.

[0012] The utility model provides a reducer that is easy to dissipate heat and has the following beneficial effects:

[0013] 1. The reducer which is convenient for heat dissipation is matched with a driving pulley, a driven pulley, a transmission belt, a sealing groove, a gear, a connecting shaft, a through hole, a liquid inlet pipe, a heat dissipation pipe and a coolant tank. When the reducer is working, the output shaft will rotate, and the rotation of the output shaft will drive the driving pulley, the driven pulley and the transmission belt to rotate at the same time. The connecting shaft on one side of the driven pulley drives the gear to rotate, and then the two gears are meshed, and the teeth of the two gears are separated from each other to form a low pressure, and the lubricating oil in the reducer body can be sucked into the sealing groove through the through hole and the liquid inlet pipe, and flow to the other side of the two gears through the inner wall of the sealing groove. At the same time, the teeth on the other side of the two gears are closed to form a high pressure, and the lubricating oil can be discharged from the through hole on the other side into the heat dissipation pipe, and then the flowing lubricating oil is cooled by the coolant in the coolant tank, thereby effectively playing the effect of cooling and heat dissipation. The cooling efficiency of the reducer from the inside through the lubricating oil is higher, and the heat dissipation effect is better.

[0014] 2. The reducer which is convenient for heat dissipation is matched with a filter tube, a limit ring, a sealing ring, a threaded sleeve and a filter screen. When the lubricating oil flows in the heat dissipation tube, the filter screen will filter the iron filings in the lubricating oil when the flowing lubricating oil enters the filter tube, and the threaded connection between the threaded sleeve and the filter screen facilitates the disassembly and cleaning of the filter tube. By removing the filter tube, the lubricating oil in the reducer body can be easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is a side sectional view of the utility model;

[0018] Figure 4 This is a cross-sectional view of the transmission box of the utility model;

[0019] Figure 5 It is a back cross-sectional view of the utility model;

[0020] Figure 6 For this utility model Figure 2 A in the enlarged view;

[0021] Figure 7 For this utility model Figure 2 The enlarged view of point B in the figure;

[0022] Figure 8 For this utility model Figure 5 Enlarged view of point C in the figure.

[0023] In the figure: 1. reducer body; 2. output shaft; 3. transmission box; 4. transmission groove; 5. driving pulley; 6. driven pulley; 7. transmission belt; 8. sealing groove; 9. gear; 10. connecting shaft; 11. through hole; 12. liquid inlet pipe; 13. heat dissipation pipe; 14. coolant tank; 15. filter tube; 16. limit ring; 17. sealing ring; 18. threaded sleeve; 19. filter screen. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figures 1 to 8 The utility model provides a technical solution: a reducer that is easy to dissipate heat, including a reducer body 1, an output shaft 2 is provided on one side of the reducer body 1, a transmission box 3 is fixedly installed on one side of the reducer body 1, the output shaft 2 is rotatably connected to the transmission box 3, a transmission groove 4 is opened inside the transmission box 3, a driving pulley 5 is fixedly installed on the outside of the output shaft 2 and located inside the transmission groove 4, a driven pulley 6 is rotatably installed at the bottom inside the transmission groove 4, a transmission belt 7 is installed on the outside of the driving pulley 5 and the driven pulley 6, a sealing groove 8 is opened inside the transmission box 3 and located on one side of the transmission groove 4, two gears 9 are rotatably installed inside the sealing groove 8, wherein the working principle of the two gears 9 is the same as that of a gear pump, a connecting shaft 10 is fixedly installed on one side of the driven pulley 6, one end of the connecting shaft 10 extends to the inside of the sealing groove 8 and is fixedly connected to a gear 9, the inside of the transmission box 3 And through holes 11 are opened on both sides of the middle of the sealing groove 8, a liquid inlet pipe 12 is fixedly installed on one side of the transmission box 3, and the liquid inlet pipe 12 is connected to the through hole 11, and a heat dissipation pipe 13 is fixedly installed on the other side of the transmission box 3, and the heat dissipation pipe 13 is connected to the through hole 11, and a coolant tank 14 is fixedly installed on one side of the reducer body 1, one end of the heat dissipation pipe 13 passes through the interior of the coolant tank 14, and the middle of the heat dissipation pipe 13 and the interior of the coolant tank 14 are made of copper tubes. The heat exchange efficiency of the copper tube is high, thereby improving the cooling efficiency of the lubricating oil in the coolant tank 14, and the heat dissipation pipe 13 is distributed in a serpentine shape inside the coolant tank 14, and its main function is to extend the flow path of the lubricating oil in the heat dissipation pipe 13 and the coolant tank 14, thereby increasing the cooling and heat dissipation effect, and a coolant adding port is arranged on the top of the coolant tank 14, and a coolant discharge port is arranged on the bottom of one side of the coolant tank 14, and the adding port and the discharge port are both provided with sealing covers.

[0026] A filter tube 15 is installed in the middle of the heat dissipation pipe 13, and a limiting ring 16 is fixedly installed on the outside of the heat dissipation pipe 13 and at both ends of the filter tube 15. A sealing ring 17 is fixedly installed on one side of the limiting ring 16, and the sealing ring 17 cooperates with the filter tube 15. A threaded sleeve 18 is movably sleeved on the outside of the heat dissipation pipe 13, and a hole cooperating with the heat dissipation pipe 13 is opened in the middle of the threaded sleeve 18. The threaded sleeve 18 is threadedly connected to the filter tube 15. Threads are opened on the outside of both ends of the filter tube 15, and the threaded sleeve 18 cooperates with the limiting ring 16. A filter screen 19 is arranged in the middle of the filter tube 15, wherein the filter tube 15 is made of transparent acrylic material, and the amount of iron filings filtered inside it can be directly checked, so as to facilitate the staff to replace it. The main function of the sealing ring 17 is to improve the sealing of the connection between the filter tube 15 and the limiting ring 16.

[0027] In summary, when the reducer that is easy to dissipate heat is used, when the reducer is working, the output shaft 2 will rotate, and the output shaft 2 drives the active pulley 5, the driven pulley 6 and the transmission belt 7 to rotate. When the driven pulley 6 rotates, the connecting shaft 10 drives the gear 9 to rotate, so that the two gears 9 mesh with each other and rotate. When the gears 9 rotate, the teeth of the two gears 9 separate from each other to form a low pressure, and the lubricating oil in the reducer body 1 can be sucked into the sealing groove 8 through the through hole 11 and the liquid inlet pipe 12, and flows to the other side of the two gears 9 through the inner wall of the sealing groove 8. At the same time, the teeth on the other side of the two gears 9 close together to form a high pressure. The lubricating oil can be discharged from the through hole 11 on the other side into the heat dissipation pipe 13, and then the lubricating oil flowing in the heat dissipation pipe 13 is cooled by the coolant in the coolant tank 14. The cooled lubricating oil enters the filter tube 15, and the iron filings in the lubricating oil are filtered through the filter screen 19. The cooled and filtered lubricating oil flows back into the reducer body 1 through the heat dissipation pipe 13, which can achieve the effect of heat dissipation. At the same time, the iron filings impurities in the lubricating oil are reduced, and the wear in the reducer body 1 is reduced. When there are too many iron filings in the filter tube 15, the threaded sleeve 18 can be rotated, and then the filter tube 15 can be removed to clean the filtered iron filings.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A speed reducer for facilitating heat dissipation, comprising a speed reducer body (1), characterized in that: An output shaft (2) is provided on one side of the reducer body (1), a transmission box (3) is fixedly installed on one side of the reducer body (1), the output shaft (2) is rotatably connected to the transmission box (3), a transmission groove (4) is provided inside the transmission box (3), a driving pulley (5) is fixedly installed on the outside of the output shaft (2) and inside the transmission groove (4), a driven pulley (6) is rotatably installed at the bottom of the transmission groove (4), a transmission belt (7) is installed on the outside of the driving pulley (5) and the driven pulley (6), a sealing groove (8) is provided inside the transmission box (3) and on one side of the transmission groove (4), and two gears (9) are rotatably installed inside the sealing groove (8). ), a connecting shaft (10) is fixedly mounted on one side of the driven pulley (6), one end of the connecting shaft (10) extends to the inside of the sealing groove (8) and is fixedly connected to a gear (9), through holes (11) are provided on both sides of the inside of the transmission box (3) and located in the middle of the sealing groove (8), a liquid inlet pipe (12) is fixedly mounted on one side of the transmission box (3), the liquid inlet pipe (12) is connected to the through hole (11), a heat dissipation pipe (13) is fixedly mounted on the other side of the transmission box (3), the heat dissipation pipe (13) is connected to the through hole (11), a coolant tank (14) is fixedly mounted on one side of the reducer body (1), one end of the heat dissipation pipe (13) passes through the inside of the coolant tank (14).

2. A speed reducer for facilitating heat dissipation according to claim 1, characterized in that: A filter tube (15) is installed in the middle of the heat dissipation tube (13); limiting rings (16) are fixedly installed on the outside of the heat dissipation tube (13) and at both ends of the filter tube (15); a sealing ring (17) is fixedly installed on one side of the limiting ring (16); the sealing ring (17) cooperates with the filter tube (15); a threaded sleeve (18) is movably sleeved on the outside of the heat dissipation tube (13); the threaded sleeve (18) is threadedly connected to the filter tube (15); the threaded sleeve (18) cooperates with the limiting ring (16); and a filter screen (19) is arranged in the middle of the inside of the filter tube (15).

3. A speed reducer for facilitating heat dissipation according to claim 1, characterized in that: The heat dissipation pipes (13) are distributed in a serpentine shape inside the coolant tank (14).

4. A speed reducer for facilitating heat dissipation according to claim 1, characterized in that: The top of the coolant tank (14) is provided with a coolant addition port, and the bottom of one side of the coolant tank (14) is provided with a coolant discharge port, and both the addition port and the discharge port are provided with sealing covers.

5. A speed reducer for facilitating heat dissipation according to claim 2, characterized in that: A hole matching the heat dissipation pipe (13) is provided in the middle of the threaded sleeve (18).

6. A speed reducer for facilitating heat dissipation according to claim 2, characterized in that: The outer sides of both ends of the filter tube (15) are provided with threads.

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