Planetary reducer easy to dissipate heat

Abstract

The utility model relates to the technical field of planetary speed reducers, and discloses a planetary speed reducer easy to dissipate heat, which comprises a base and a cooling mechanism, the cooling mechanism comprises a cooling oil tank, the cooling oil tank is movably connected with an oil outlet pipe through an oil filter element, and the oil outlet pipe is fixedly connected with an oil inlet pipe through an oil pump. By means of the arranged cooling mechanism, cooling oil in the cooling oil tank enters the oil pump from the oil outlet pipe and then enters the cooling coil in the machine body from the oil inlet pipe, heat generated in the planetary reducer is absorbed, the cooling oil begins to circulate under the action of the oil pump, and the cooling oil is cooled through the oil return pipe. Cooling oil in the cooling coil enters the cooling oil tank from the oil return pipe to be cooled again, then impurities in the cooling oil are filtered out through the oil filter element, finally, the cooling oil flows out of the oil filter element to start the next circulation, heat generated in the planetary reducer can be brought out through circulating flowing of the cooling oil, and heat dissipation is conducted on the planetary reducer.

Description

Technical Field

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

[0002] Planetary reducer is a widely used industrial product, such as automation equipment, CNC machine tools, robots, aerospace, etc. It plays a key role in deceleration and power transmission in mechanical systems. Different application scenarios will have different requirements for the specifications and performance of planetary reducers. It can reduce the speed of the motor and increase the output torque at the same time. Planetary reducers can be used as supporting components in lifting, excavation, transportation, construction and other industries.

[0003] The planetary reducers in the prior art work for a long time. The friction between the internal sun gear, planetary gears and ring gear easily generates a lot of heat. If it is not dissipated in time, it will affect the normal operation of the planetary reducer. At present, most planetary reducers dissipate heat on the outside, and the heat dissipation effect is not good. For this reason, we propose a planetary reducer that is easy to dissipate heat. Utility Model Content

[0004] The purpose of the utility model is to provide a planetary reducer that is easy to dissipate heat, so as to solve the problem that the planetary reducers proposed in the above background technology all work for a long time, and the friction between the internal sun gear, planetary gears and ring gear is likely to generate a large amount of heat, which will affect the normal operation of the planetary reducer if it is not dissipated in time. At present, most planetary reducers dissipate heat on the outside, and the heat dissipation effect is poor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a planetary reducer that is easy to dissipate heat, comprising a base and a cooling mechanism, the cooling mechanism comprising a cooling oil tank, the cooling oil tank is movably connected to an oil outlet pipe through an oil filter element, the oil outlet pipe is fixedly connected to an oil inlet pipe through an oil pump, and the oil inlet pipe is fixedly connected to an oil return pipe through a cooling coil.

[0006] As a preferred solution, a body is fixedly installed on the left side of the base, a sun gear, planetary gears and a ring gear are arranged inside the body, an oil hole is opened on the outer wall of the body, a drive shaft is arranged on the left side of the body, and the drive shaft is fixedly connected to the sun gear.

[0007] As a preferred solution, the bottom of the cooling oil tank is fixedly mounted on the upper surface of the base, one end of the oil filter element is threadedly connected to the interior of the cooling oil tank through a threaded part, one end of the oil outlet pipe is threadedly connected to the other end of the oil filter element, the other end of the oil outlet pipe is fixedly mounted on the oil inlet of the oil pump, one end of the oil inlet pipe is fixedly mounted on the oil outlet of the oil pump, one end of the cooling coil is fixedly connected to the other end of the oil inlet pipe, one end of the oil return pipe is fixedly connected to the other end of the cooling coil, both ends of the cooling coil are fixedly mounted in the oil hole, and the other end of the oil return pipe is fixedly mounted on the interior of the cooling oil tank.

[0008] As a preferred solution, a limit clamp is fixedly mounted on the outer wall of the cooling coil, the outer wall of the limit clamp is fixedly mounted on the inner wall of the machine body, and the cooling coil is located outside the meshing of the sun gear and the planetary gear.

[0009] As a preferred embodiment, a connecting mechanism is provided on the outer wall of the body, and the connecting mechanism includes a mounting ring, which is fixedly mounted on the outer wall of the body, and a vent hole is penetrated through the surface of the mounting ring. A mounting piece is fixedly mounted on the upper end of the mounting ring, and telescopic grooves are provided on both sides of the mounting piece.

[0010] As a preferred solution, a limit spring is fixedly installed inside the telescopic slot, a limit block is fixedly installed on the outer end of the limit spring, a connecting frame is inserted into the outer wall of the mounting piece, both sides of the connecting frame pass through the limit slot, the size of the limit slot is adapted to the limit block, and the bottom of the oil pump is fixedly installed on the upper end of the connecting frame.

[0011] Technical effects and advantages of the utility model:

[0012] 1. Through the cooling mechanism, the cooling oil in the cooling oil tank enters the oil pump from the oil outlet pipe, and then enters the cooling coil inside the body from the oil inlet pipe to absorb the heat generated inside the planetary reducer. Under the action of the oil pump, the cooling oil starts to circulate, and the cooling oil in the cooling coil enters the cooling oil tank from the return oil pipe to be cooled again, and then passes through the oil filter to filter out the impurities in the cooling oil, and finally flows out from the oil filter to start the next cycle. The heat generated inside the planetary reducer can be brought out through the circulating flow of the cooling oil, and the heat of the planetary reducer can be dissipated.

[0013] 2. Through the provided connection mechanism, the mounting piece is fixed to the body of the planetary reducer through the mounting collar, and the ventilation hole is used to prevent the mounting collar from affecting the heat dissipation of the body. By pressing the limit block, the limit spring is contracted in the telescopic groove, and the connecting frame is fixed on the mounting piece to facilitate the installation of the cooling mechanism. When heat dissipation is not required, it can be quickly disassembled without affecting the use of the planetary reducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a partial structural schematic diagram of the utility model.

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the cooling mechanism of the utility model.

[0017] Figure 4 It is an exploded view of the connection mechanism of the utility model.

[0018] In the figure: 1. base; 2. machine body; 3. oil hole; 4. drive shaft; 5. cooling mechanism; 51. cooling oil tank; 52. oil filter element; 53. oil outlet pipe; 54. oil pump; 55. oil inlet pipe; 56. cooling coil; 57. limit clamp; 58. oil return pipe; 6. connecting mechanism; 61. mounting ring; 62. air vent; 63. mounting part; 64. telescopic slot; 65. limit spring; 66. limit block; 67. connecting frame; 68. limit slot. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figure 1-4The planetary reducer shown in the figure is easy to dissipate heat, including a base 1 and a cooling mechanism 5, the cooling mechanism 5 including a cooling oil tank 51, the cooling oil tank 51 is movably connected with an oil outlet pipe 53 through an oil filter element 52, the oil outlet pipe 53 is fixedly connected with an oil inlet pipe 55 through an oil pump 54, the oil inlet pipe 55 is fixedly connected with an oil return pipe 58 through a cooling coil 56, the bottom of the cooling oil tank 51 is fixedly installed on the upper surface of the base 1, one end of the oil filter element 52 is threadedly connected to the inside of the cooling oil tank 51 through a threaded piece, one end of the oil outlet pipe 53 is threadedly connected to the other end of the oil filter element 52, the other end of the oil outlet pipe 53 is fixedly installed at the oil inlet of the oil pump 54, one end of the oil inlet pipe 55 is fixedly installed at the oil outlet of the oil pump 54, one end of the cooling coil 56 is fixedly connected to the other end of the oil inlet pipe 55, one end of the oil return pipe 58 is fixedly connected to the other end of the cooling coil 56, and both ends of the cooling coil 56 are fixedly installed In the oil hole 3, the other end of the return oil pipe 58 is fixedly installed inside the cooling oil tank 51, and a limit clamp 57 is fixedly installed on the outer wall of the cooling coil 56. The outer wall of the limit clamp 57 is fixedly installed on the inner wall of the body 2. The cooling coil 56 is located on the outside of the meshing of the sun gear and the planetary gear. When the planetary reducer is dissipated, the cooling oil in the cooling oil tank 51 enters the oil pump 54 from the oil outlet pipe 53, and then enters the cooling coil 56 inside the body 2 from the oil inlet pipe 55 to absorb the heat generated inside the planetary reducer. Under the action of the oil pump 54, the cooling oil starts to circulate, and the cooling oil in the cooling coil 56 enters the cooling oil tank 51 from the return oil pipe 58 to be cooled again, and then passes through the oil filter 52 to filter out impurities in the cooling oil, and finally flows out from the oil filter 52 to start the next cycle, so that the heat generated inside the planetary reducer can be taken out by the circulating flow of the cooling oil.

[0021] In this embodiment, the outer wall of the body 2 is provided with a connecting mechanism 6, which includes a mounting collar 61, which is fixedly mounted on the outer wall of the body 2, and a vent hole 62 is penetrated through the surface of the mounting collar 61, and a mounting member 63 is fixedly mounted on the upper end of the mounting collar 61, and telescopic grooves 64 are provided on both sides of the mounting member 63, and a limit spring 65 is fixedly mounted inside the telescopic groove 64, and a limit block 66 is fixedly mounted on the outer end of the limit spring 65, and a connecting frame 67 is inserted into the outer wall of the mounting member 63, and both sides of the connecting frame 67 A limiting groove 68 is passed through, and the size of the limiting groove 68 is adapted to the limiting block 66. The bottom of the oil pump 54 is fixedly mounted on the upper end of the connecting frame 67. When installing the cooling mechanism 5, first fix the mounting ring 61 on the outer wall of the body 2, so that the mounting piece 63 is fixed on the outer wall of the body 2. The air vent 62 is used to prevent the mounting ring 61 from affecting the heat dissipation of the body 2. Press the limiting block 66 to make the limiting spring 65 shrink in the telescopic groove 64, and fix the connecting frame 67 on the mounting piece 63 to facilitate the installation of the cooling mechanism 5.

[0022] In this embodiment, a body 2 is fixedly installed on the left side of the base 1, a sun gear, planetary gears and a ring gear are arranged inside the body 2, an oil hole 3 is opened on the outer wall of the body 2, and a drive shaft 4 is arranged on the left side of the body 2, and the drive shaft 4 is fixedly connected to the sun gear.

[0023] Working principle of the utility model: The utility model is a planetary reducer that is easy to dissipate heat. First, the mounting collar 61 is fixed on the outer wall of the body 2, so that the mounting member 63 is fixed on the outer wall of the body 2. The air vent 62 prevents the mounting collar 61 from affecting the heat dissipation of the body 2. The limit block 66 is pressed to make the limit spring 65 shrink in the telescopic groove 64. The connecting frame 67 is sleeved on the mounting member 63 for fixing, so that the oil pump 54 is installed on the outer wall of the body 2. When the planetary reducer is running, the cooling oil in the cooling oil tank 51 is The oil enters the oil pump 54 from the oil outlet pipe 53, and then enters the cooling coil 56 inside the body 2 from the oil inlet pipe 55 to absorb the heat generated inside the planetary reducer. Under the action of the oil pump 54, the cooling oil begins to circulate, and the cooling oil in the cooling coil 56 enters the cooling oil tank 51 from the return oil pipe 58 to be cooled again, and then passes through the oil filter 52 to filter out impurities in the cooling oil, and finally flows out from the oil filter 52 to start the next cycle, which can bring out the heat generated inside the planetary reducer through the circulation of the cooling oil.

[0024] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A planetary reducer that is easy to dissipate heat, comprising a base (1) and a cooling mechanism (5), characterized in that: The cooling mechanism (5) comprises a cooling oil tank (51), the cooling oil tank (51) being movably connected to an oil outlet pipe (53) via an oil filter element (52), the oil outlet pipe (53) being fixedly connected to an oil inlet pipe (55) via an oil pump (54), and the oil inlet pipe (55) being fixedly connected to an oil return pipe (58) via a cooling coil (56).

2. A planetary reducer that is easy to dissipate heat according to claim 1, characterized in that: A body (2) is fixedly mounted on the left side of the base (1); a sun gear, a planetary gear and a ring gear are arranged inside the body (2); an oil hole (3) is opened on the outer wall of the body (2); a drive shaft (4) is arranged on the left side of the body (2); and the drive shaft (4) is fixedly connected to the sun gear.

3. A planetary reducer that is easy to dissipate heat according to claim 2, characterized in that: The bottom of the cooling oil tank (51) is fixedly mounted on the upper surface of the base (1); one end of the oil filter (52) is threadedly connected to the interior of the cooling oil tank (51) through a threaded member; one end of the oil outlet pipe (53) is threadedly connected to the other end of the oil filter (52); the other end of the oil outlet pipe (53) is fixedly mounted on the oil inlet of the oil pump (54); one end of the oil inlet pipe (55) is fixedly mounted on the oil outlet of the oil pump (54); one end of the cooling coil (56) is fixedly connected to the other end of the oil inlet pipe (55); one end of the oil return pipe (58) is fixedly connected to the other end of the cooling coil (56); both ends of the cooling coil (56) are fixedly mounted in the oil hole (3); and the other end of the oil return pipe (58) is fixedly mounted inside the cooling oil tank (51).

4. A planetary reducer that is easy to dissipate heat according to claim 3, characterized in that: A limit clamp (57) is fixedly mounted on the outer wall of the cooling coil (56), and the outer wall of the limit clamp (57) is fixedly mounted on the inner wall of the machine body (2). The cooling coil (56) is located on the outer side where the sun gear and the planetary gear are meshed.

5. A planetary reducer that is easy to dissipate heat according to claim 2, characterized in that: The outer wall of the machine body (2) is provided with a connecting mechanism (6), the connecting mechanism (6) comprising a mounting ring (61), the mounting ring (61) being fixedly mounted on the outer wall of the machine body (2), a vent hole (62) penetrating the surface of the mounting ring (61), a mounting member (63) being fixedly mounted on the upper end of the mounting ring (61), and telescopic grooves (64) being provided on both sides of the mounting member (63).

6. A planetary reducer that is easy to dissipate heat according to claim 5, characterized in that: A limit spring (65) is fixedly installed inside the telescopic slot (64), a limit block (66) is fixedly installed on the outer end of the limit spring (65), a connecting frame (67) is inserted into the outer wall of the mounting member (63), both sides of the connecting frame (67) penetrate the limit slot (68), the size of the limit slot (68) is adapted to the limit block (66), and the bottom of the oil pump (54) is fixedly installed on the upper end of the connecting frame (67).

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