Planetary speed reduction joint unit
By employing a heat sink and locking structure design in the planetary reduction joint unit, the problem of heat accumulation is solved, achieving efficient heat dissipation, extending service life, and improving the stability of lubricating oil and overall stability.
Patent Information
- Application Number
- CN202520314518.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-26
AI Technical Summary
When existing planetary reduction gear joint units are in use, insufficient heat dissipation space, poor heat dissipation structure design, or insufficient cooling medium flow can lead to heat not being dissipated in time, resulting in a decrease in lubricating oil viscosity and thus aggravating gear wear.
A planetary reduction joint unit was designed, which adopts a snap-fit structure between a heat sink and a mounting base plate. Combined with finned heat dissipation, the heat sink is fixed by rotation snap-fit and elastic fitting to achieve efficient heat dissipation, and is stably assembled by mating plates and locking bolts.
It effectively dissipates heat, improves the service life of the planetary reducer and the stability of the lubricating oil, reduces gear wear, and enhances operational stability and practicality.
Smart Images

Figure CN223854817U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of planetary reduction joint unit, specifically relates to a planetary reduction joint unit. BACKGROUND
[0002] The planetary joint reduction machine is a kind of mechanical transmission device for reducing rotational speed and increasing torque. It is mainly composed of sun gear, planetary gear, inner gear ring and planet carrier and other components. Its working principle is through the meshing transmission of sun gear and planetary gear, and the rolling of planetary gear in inner gear ring, the effect of speed reduction and torque amplification is realized;
[0003] The planetary joint reduction machine adopts the structure that multiple planetary gears are evenly distributed around the sun gear. This layout makes the volume smaller and the weight lighter than the traditional reduction machine under the same reduction ratio, which is convenient to install and use. In the process of long time, high intensity use of planetary reduction joint unit, due to the continuous high-speed meshing operation of multiple gears inside, energy conversion is continuously carried out, and intense friction is generated inside the reduction machine. As a result, a large amount of heat will accumulate on the surface of the reduction machine. However, under actual working conditions, due to insufficient heat dissipation space, poor heat dissipation structure design, or insufficient cooling medium flow, etc. The heat generated cannot be effectively dissipated in time, and the continuous heat accumulation will cause the viscosity of the lubricating oil inside the reduction machine to decrease, thereby weakening its lubricating performance and causing the wear between gears to increase. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of planetary reduction joint unit, to solve the above-mentioned planetary reduction joint unit in prior art when using, the surface of reduction machine will accumulate a large amount of heat. However, under actual working conditions, due to insufficient heat dissipation space, poor heat dissipation structure design, or insufficient cooling medium flow, etc. The heat generated cannot be effectively dissipated in time, and the continuous heat accumulation will cause the viscosity of the lubricating oil inside the reduction machine to decrease, thereby weakening its lubricating performance and causing the wear between gears to increase.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of planetary reduction joint unit, including planetary reduction machine and the output shaft of installation in the output end of planetary reduction machine, the bottom surface of the planetary reduction machine is connected with installation bottom plate;
[0006] The inner side of the installation bottom plate is connected with the heat dissipation plate, the outer side wall of the heat dissipation plate is connected with the clamping block, the bottom surface opening of the clamping block is connected with the positioning spring, the other end of the positioning spring is connected with the positioning buckle, and the bottom end of the installation bottom plate is provided with the positioning slot.
[0007] As a kind of planetary reduction joint unit preferred of the utility model, three mounting base plates are provided, and the three mounting base plates are equidistantly distributed about the central axis of planetary reduction machine.
[0008] As a kind of planetary reduction joint unit preferred of the utility model, the clamping block and the inside opening of mounting base plate constitute a rotating structure, and the inside of heat dissipation plate is provided with fins.
[0009] As a kind of planetary reduction joint unit preferred of the utility model, the positioning spring and the positioning buckle constitute an elastic telescopic structure, and the positioning buckle and the positioning groove on the bottom surface of mounting base plate constitute an embedded structure.
[0010] As a kind of planetary reduction joint unit preferred of the utility model, the surface of output shaft is connected with first docking plate, the surface of first docking plate is connected with assembling plate, the surface of assembling plate is connected with connecting plate, and the surface of connecting plate is connected with second docking plate.
[0011] As a kind of planetary reduction joint unit preferred of the utility model, the bottom surface of connecting plate is connected with plug block, the surface of assembling plate close to plug block is provided with plug slot, the surface of connecting plate is connected with locking bolt in penetration, and the locking bolt is threadedly connected with assembling plate through connecting plate.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] The utility model discloses a kind of planetary reduction joint units, including planetary reduction machine, mounting base plate, heat dissipation plate, positioning spring, positioning buckle, output shaft, first docking plate, assembling plate, connecting plate and second docking plate, the bottom surface of planetary reduction machine is provided with mounting base plate, and the bottom surface of mounting base plate is provided with heat dissipation plate. ACCURACY OF DRAWINGS
[0014] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and are used to explain the present application, and do not constitute a limitation on the present application. In the drawings:
[0015] Figure 1 It is the schematic diagram of the overall structure of the planetary reduction machine of the utility model;
[0016] Figure 2 It is the schematic diagram of the mounting structure of the heat dissipation plate of the utility model;
[0017] Figure 3 It is the schematic diagram of the disassembly structure of the heat dissipation plate of the utility model;
[0018] Figure 4 It is the positioning buckle connecting structure schematic view of the utility model;
[0019] Figure 5 It is the second butt joint plate connecting structure schematic view of the utility model;
[0020] Figure 6 It is the plug block installation structure schematic view of the utility model.
[0021] In the drawing: 1, planetary reducer; 2, output shaft; 3, installation bottom plate; 4, heat sink; 5, clamping block; 6, positioning spring; 7, positioning buckle; 8, positioning groove; 9, first butt joint plate; 10, assembly plate; 11, connecting plate; 12, second butt joint plate; 13, plug block; 14, plug groove; 15, locking bolt. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0023] Please refer to Figures 1-6 The utility model provides the following technical scheme: a planetary reduction joint unit, comprising a planetary reducer 1 and an output shaft 2 installed at the output end of the planetary reducer 1, the bottom surface of the planetary reducer 1 is connected with an installation bottom plate 3;
[0024] The inner side of the installation bottom plate 3 is connected with a heat sink 4, the outer side wall of the heat sink 4 is connected with a clamping block 5, the bottom surface opening of the clamping block 5 is connected with a positioning spring 6, the other end of the positioning spring 6 is connected with a positioning buckle 7, and the bottom end of the installation bottom plate 3 is provided with a positioning groove 8.
[0025] Preferably, three installation bottom plates 3 are arranged at equal intervals about the central axis of the planetary reducer 1.
[0026] In specific use, the heat sink 4 is conveniently and quickly assembled through the use of the installation bottom plate 3.
[0027] Preferably, the clamping block 5 and the inner side opening of the installation bottom plate 3 constitute a rotating structure, and the heat sink 4 is internally provided with fins.
[0028] In specific use, the heat on the surface of the planetary reducer 1 is conveniently dissipated through the use of the fins inside the heat sink 4, and the service life of the planetary reducer 1 is improved.
[0029] Preferably, the positioning spring 6 and the positioning buckle 7 form an elastic telescopic structure, and the positioning buckle 7 and the positioning groove 8 on the bottom surface of the mounting bottom plate 3 form an embedded structure.
[0030] In specific use, the positioning buckle 7 is embedded into the positioning groove 8 on the bottom surface of the mounting bottom plate 3, so that the heat dissipation plate 4 is conveniently and stably mounted.
[0031] Preferably, the surface of the output shaft 2 is connected with the first docking plate 9, the surface of the first docking plate 9 is connected with the assembly plate 10, the surface of the assembly plate 10 is connected with the connecting plate 11, and the surface of the connecting plate 11 is connected with the second docking plate 12.
[0032] In specific use, the plug block 13 on the bottom surface of the connecting plate 11 is docked with the assembly plate 10, so that the output shaft 2 at the output end of the planetary reducer 1 is conveniently and stably sleeved, and the planetary reducer 1 is conveniently and stably assembled.
[0033] Preferably, the bottom surface of the connecting plate 11 is connected with the plug block 13, the surface of the assembly plate 10 close to the plug block 13 is provided with the insertion slot 14, the surface of the connecting plate 11 is penetratedly connected with the locking bolt 15, and the locking bolt 15 is threadedly connected with the assembly plate 10 through the connecting plate 11.
[0034] In specific use, the locking bolt 15 is threadedly connected with the assembly plate 10 through the connecting plate 11, so that the first docking plate 9 and the second docking plate 12 are conveniently and stably assembled.
[0035] In specific use, the heat dissipation plate 4 is attached to the bottom surface of the planetary reducer 1, then the clamping block 5 on the outer side wall of the heat dissipation plate 4 is rotationally clamped with the mounting bottom plate 3, the positioning buckle 7 on the bottom surface of the clamping block 5 is driven to extrude the positioning spring 6, the positioning spring 6 is deformed, then the positioning buckle 7 is embedded into the positioning groove 8 on the bottom surface of the mounting bottom plate 3, so that the heat dissipation plate 4 is conveniently fixed on the bottom surface of the planetary reducer 1, when the surface of the planetary reducer 1 generates high temperature, the high temperature is transmitted to the heat dissipation fins in the heat dissipation plate 4 and is dissipated, the service life of the planetary reducer 1 is prolonged, the stability of the lubricating oil in the planetary reducer 1 is ensured, and the use stability of the planetary reducer 1 is improved; in addition, the assembly plate 10 and the connecting plate 11 are docked, the first docking plate 9 and the second docking plate 12 are conveniently assembled, the plug block 13 on the bottom surface of the connecting plate 11 is docked with the insertion slot 14 on the surface of the assembly plate 10, then the locking bolt 15 is threadedly connected with the assembly plate 10 through the connecting plate 11, the first docking plate 9 and the second docking plate 12 are conveniently and stably assembled, the first docking plate 9 and the output shaft 2 are conveniently assembled, the planetary reducer 1 and the gear shaft are conveniently docked, subsequent maintenance is facilitated when the first docking plate 9 and the output shaft 2 are welded and docked, and the practicability of the planetary reducer 1 is improved.
[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A planetary deceleration joint unit comprising a planetary decelerator (1) and an output shaft (2) mounted at the output end of the planetary decelerator (1), characterized in that: The bottom surface of the planetary reducer (1) is connected with a mounting bottom plate (3); The inner side of the mounting bottom plate (3) is connected with a heat dissipation plate (4), the outer side wall of the heat dissipation plate (4) is connected with a clamping block (5), the bottom surface opening of the clamping block (5) is connected with a positioning spring (6), the other end of the positioning spring (6) is connected with a positioning buckle (7), and the bottom end of the mounting bottom plate (3) is provided with a positioning groove (8).
2. A planetary reduction joint unit according to claim 1, characterized in that: The mounting bottom plate (3) is provided with three, and the three mounting bottom plates (3) are equidistantly distributed about the central axis of the planetary reducer (1).
3. A planetary reduction joint unit according to claim 1, characterized in that: The clamping block (5) and the inner side opening of the mounting bottom plate (3) constitute a rotating structure, and the heat dissipation plate (4) is internally provided with fins.
4. A planetary reduction joint unit according to claim 1, characterized in that: The positioning spring (6) and the positioning buckle (7) constitute an elastic expansion structure, and the positioning buckle (7) and the positioning groove (8) on the bottom surface of the mounting bottom plate (3) constitute an embedded structure.
5. A planetary reduction joint unit according to claim 1, characterized in that: The surface of the output shaft (2) is connected with a first butt plate (9), the surface of the first butt plate (9) is connected with an assembly plate (10), the surface of the assembly plate (10) is connected with a connecting plate (11), and the surface of the connecting plate (11) is connected with a second butt plate (12).
6. A planetary reduction joint unit according to claim 5, characterized in that: The bottom surface of the connecting plate (11) is connected with an insertion block (13), the surface of the assembly plate (10) close to the insertion block (13) is provided with an insertion slot (14), the surface of the connecting plate (11) is penetratedly connected with a locking bolt (15), and the locking bolt (15) is threadedly connected with the assembly plate (10) through the connecting plate (11).