High-strength low-noise gear reducer

By designing motor drive couplings and self-lubricating systems in gear reducers, the problem of manual lubrication of existing gear reducers is solved, and the functions of high strength, low noise and self-lubricating are realized.

CN222687267UActive Publication Date: 2025-03-28SHANDONG ZHONGJUN ELECTROMECHANICAL EQUIP TECH CO LTD
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Patent Information

Application Number
CN202422167714.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-03-28
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

During the lubrication process, existing gear reducers need to stop the equipment for manual operation, which increases labor intensity and is inconvenient to use.

Method used

A high-strength low-noise gear reducer is designed, using a motor drive coupling, which rotates the pinion and large gear meshing transmission on the half-month bearing through the coupling, and an oil pan and a micro pump are installed on the gear lubrication part to realize the self-lubricating function.

Benefits of technology

The self-lubricating function of the gear reducer is realized, which improves the strength and durability of the equipment, reduces the need for manual operation, reduces noise and improves overall performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-strength low-noise gear reducer, which belongs to the technical field of gear reducers and comprises a supporting seat, a shock absorption support arranged on the upper side of the supporting seat, a motor arranged on the upper side of the shock absorption support, a shock insulation pad arranged on the upper side of the supporting seat, a lower shell arranged on the upper side of the shock insulation pad, and an upper shell arranged on the upper side of the lower shell. A speed reduction assembly is arranged between the upper shell and the lower shell, a gear lubricating part is arranged on one side of the speed reduction assembly, a storage battery is arranged on the upper side of the supporting seat, the lower shell comprises a first outer shell, the first outer shell is arranged on the upper side of the shock insulation pad, a first sound insulation shell is arranged on the inner side of the first outer shell, and a first inner shell is arranged on the inner side of the first sound insulation shell. And convex plates I are arranged on the two sides of the shell I. The gear reducer solves the problems that the gear of the gear reducer is seriously abraded, and lubricating oil needs to be manually added.
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Description

Technical Field

[0001] The utility model relates to the technical field of gear reducers, in particular to a high-strength and low-noise gear reducer. Background Art

[0002] Gear reducers are generally used for low-speed and high-torque transmission equipment. Ordinary reducers for electric motors will also have several pairs of gears with the same principle to achieve the ideal deceleration effect. The ratio of the number of teeth of large and small gears is the transmission ratio. With the continuous development of the reducer industry, it is widely used in metallurgy, mining, lifting, transportation, cement, construction, chemical industry, textile, printing and dyeing, pharmaceuticals and other fields.

[0003] In the prior art, a large amount of lubricating oil is required inside the gear reducer to lubricate the gears. During lubrication, the gear reducer often needs to be stopped and the gears need to be lubricated manually, which increases labor intensity and is inconvenient to use. Therefore, a high-strength and low-noise gear reducer is proposed. Utility Model Content

[0004] The utility model is to solve the shortcomings in the prior art and propose a high-strength and low-noise gear reducer, which solves the problem that the gears of the gear reducer are greatly worn and lubricating oil needs to be added manually.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A high-strength, low-noise gear reducer comprises a support seat, a shock-absorbing bracket is arranged on the upper side of the support seat, a motor is arranged on the upper side of the shock-absorbing bracket, a seismic isolation pad is arranged on the upper side of the support seat, a lower shell is arranged on the upper side of the seismic isolation pad, an upper shell is arranged on the upper side of the lower shell, a reduction assembly is arranged between the upper shell and the lower shell, a gear lubrication part is arranged on one side of the reduction assembly, and a battery is arranged on the upper side of the support seat.

[0007] Through the above technical solution, the motor drives the reduction assembly between the lower shell and the upper shell to transmit, thereby performing reduction transmission. The reduction assembly uses the gear lubrication part to lubricate itself, thereby improving its own usage intensity and providing it with a self-lubricating function that can adapt to high-intensity use.

[0008] Preferably, the lower shell includes an outer shell 1, which is arranged on the upper side of the seismic isolation pad, a sound insulation shell 1 is arranged on the inner side of the outer shell 1, an inner shell 1 is arranged on the inner side of the sound insulation shell 1, and convex plates 1 are arranged on both sides of the outer shell 1.

[0009] Preferably, the upper shell includes an outer shell 2, which is arranged on the upper side of the outer shell 1, a sound insulation shell 2 is arranged on the inner side of the outer shell 2, an inner shell 2 is arranged on the inner side of the sound insulation shell 2, and convex plates 2 are arranged on both sides of the outer shell 2.

[0010] Preferably, a plurality of fixing parts are arranged between the convex plate 1 and the convex plate 2.

[0011] Through the above technical solution, the use of the second sound insulation shell in conjunction with the first sound insulation shell provides a shell with the function of sound insulation and noise reduction, and the setting of the fixing parts provides a detachable connection function for the lower shell and the upper shell.

[0012] Preferably, the reduction assembly includes a coupling shaft 1, which is arranged between the lower shell and the upper shell, a small gear is arranged on the outer side of the coupling shaft 1, one side of the small gear is meshed with a large gear, a coupling shaft 2 is arranged on one side of the large gear, a semi-moon bearing 1 is arranged on the inner side of the lower shell, one side of the semi-moon bearing 1 is in conflict with the outer side of the coupling shaft 1, and a semi-moon bearing 2 is arranged on the inner side of the upper shell, one side of the semi-moon bearing 2 is in conflict with the outer side of the coupling shaft 2.

[0013] Through the above technical solution, the coupling shaft 1 rotates on the semi-lunar bearing 1, driving the small gear to rotate and engage the transmission large gear. The rotation of the large gear drives the coupling shaft 2 to rotate on the semi-lunar bearing 2, thereby providing a stable deceleration transmission function.

[0014] Preferably, a coupling is provided at the shaft end of the motor, and one end of the coupling is connected to one end of the coupling shaft.

[0015] Through the above technical solution, the setting of the coupling improves the connection safety between the shaft end of the motor and the end of the coupling shaft, and avoids high-load movement between the two.

[0016] Preferably, the gear lubrication part includes an oil pan, which is arranged at the inner bottom of the lower shell body, and a lubrication port is provided on the side of the oil pan close to the large gear, and one side of the large gear is placed in the lubrication port, an oil guide shell is inserted on the upper side of the oil pan, and a sealing plate is snap-connected to the upper side of the oil guide shell, and an oil pumping part is provided on one side of the oil pan.

[0017] Through the above technical solution, the sealing plate is opened to inject the lubricating oil into the oil guide shell and then flow into the oil pan. The large gear takes the lubricating oil in the oil pan through the lubrication port and then rotates in mesh with the small gear, so that there is a certain amount of lubrication between the small gear and the large gear, thereby improving its use strength. Lubrication can reduce the rigid friction between the two.

[0018] Preferably, the oil pumping part includes a micro pump, which is arranged at the inner bottom of the lower shell, the input end of the micro pump is provided with a conduit 1, the output end of the micro pump is provided with a conduit 2, one end of the conduit 2 is connected to one side of the oil pan, and the outer side of the conduit 2 is provided with a micro one-way valve.

[0019] Through the above technical solution, the large gear takes the lubricating oil in the oil pan through the lubrication port, and then rotates in mesh with the small gear. After the lubricating oil between the two drips to the inner bottom of the lower shell to a certain amount, the micro pump works to extract it through the conduit one, and then it is sent back to the oil pan through the conduit two in cooperation with the micro one-way valve, so that the lubricating oil in the oil pan is kept in sufficient state for use.

[0020] In summary, in the utility model, the motor drives the coupling, and the coupling transmission shaft 1 rotates on the semi-moon bearing 1, driving the small gear to rotate and mesh with the transmission large gear. The rotation of the large gear drives the coupling shaft 2 to rotate on the semi-moon bearing 2. The large gear takes the lubricating oil in the oil pan through the lubrication port, and then meshes and rotates with the small gear, so that there is a certain amount of lubrication between the small gear and the large gear, thereby improving its use strength. Lubrication can reduce the rigid friction between the two, thereby improving its own use strength, and providing it with a self-lubricating function that can adapt to high-intensity use.

[0021] In the utility model, the large gear takes the lubricating oil in the oil pan through the lubrication port, and then meshes and rotates with the small gear. After the lubricating oil between the two drops to the inner bottom of the lower shell to a certain amount, the micro pump works to extract it through the first conduit, and then returns it to the oil pan through the second conduit in cooperation with the micro one-way valve, so that the lubricating oil in the oil pan is kept in a sufficient state for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the explosive structure of the utility model;

[0023] Figure 2 It is a structural schematic diagram of the oil pumping unit of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the front axial side of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the utility model when the shaft side is cut away;

[0026] Figure 5 It is a schematic structural diagram of the utility model when the top surface is cut away from the axial side.

[0027] In the figure: 1. support seat; 2. shock-absorbing bracket; 3. motor; 4. seismic isolation pad; 5. lower shell; 51. outer shell one; 52. sound insulation shell one; 53. inner shell one; 54. convex plate one; 6. upper shell; 61. outer shell two; 62. sound insulation shell two; 63. inner shell two; 64. convex plate two; 7. reduction assembly; 71. connecting shaft one; 72. small gear; 73. large gear; 74. connecting shaft two; 75. half-moon bearing one; 76. half-moon bearing two; 8. oil pumping unit; 81. micro pump; 82. conduit one; 83. conduit two; 84. micro one-way valve; 9. gear lubrication unit; 91. oil pan; 92. lubrication port; 93. oil guide shell; 94. sealing plate; 10. battery; 11. coupling; 12. fixing parts. DETAILED DESCRIPTION

[0028] like Figure 1-Figure 5 As shown, a high-strength and low-noise gear reducer comprises a support base 1, a shock-absorbing bracket 2 is arranged on the upper side of the support base 1, a motor 3 is arranged on the upper side of the shock-absorbing bracket 2, a shock-isolating pad 4 is arranged on the upper side of the support base 1, a lower shell 5 is arranged on the upper side of the shock-isolating pad 4, the lower shell 5 comprises an outer shell 51, the outer shell 51 is arranged on the upper side of the shock-isolating pad 4, a soundproof shell 52 is arranged on the inner side of the outer shell 51, an inner shell 53 is arranged on the inner side of the soundproof shell 52, and convex plates 54 are arranged on both sides of the outer shell 51.

[0029] An upper shell 6 is arranged on the upper side of the lower shell 5, and the upper shell 6 includes an outer shell 2 61, and the outer shell 2 61 is arranged on the upper side of the outer shell 1 51. A soundproof shell 2 62 is arranged on the inner side of the outer shell 2 61, and an inner shell 2 63 is arranged on the inner side of the soundproof shell 2 62. Both sides of the outer shell 2 61 are provided with convex plates 2 64, and a plurality of fixing members 12 are arranged between the convex plates 1 54 and the convex plates 2 64. The soundproof shell 1 52 and the soundproof shell 2 62 are both arranged in a honeycomb panel structure.

[0030] A reduction assembly 7 is provided between the upper shell 6 and the lower shell 5. The reduction assembly 7 includes a connecting shaft 71. The connecting shaft 71 is provided between the lower shell 5 and the upper shell 6. A small gear 72 is provided on the outer side of the connecting shaft 71. A large gear 73 is meshed and connected to one side of the small gear 72. A connecting shaft 2 74 is provided on one side of the large gear 73. A semi-moon bearing 1 75 is provided on the inner side of the lower shell 5. One side of the semi-moon bearing 1 75 conflicts with the outer side of the connecting shaft 1 71. A semi-moon bearing 2 76 is provided on the inner side of the upper shell 6. One side of the semi-moon bearing 2 76 conflicts with the outer side of the connecting shaft 2 74. The number of the semi-moon bearing 1 75 and the semi-moon bearing 2 76 are both two, and they are arranged in a parallel and symmetrical structure from top to bottom. A coupling 11 is provided on the shaft end of the motor 3. One end of the coupling 11 is connected to one end of the connecting shaft 71.

[0031] A gear lubrication part 9 is provided on one side of the reduction assembly 7, and the gear lubrication part 9 includes an oil pan 91. A liquid level sensor is provided on the outer side of the oil pan 91. The oil pan 91 is arranged at the inner bottom of the lower shell body 5. A lubrication port 92 is provided on the side of the oil pan 91 close to the large gear 73. One side of the large gear 73 is placed in the lubrication port 92. An oil guide shell 93 is inserted on the upper side of the oil pan 91. A sealing plate 94 is connected to the upper side of the oil guide shell 93 by snap-fitting. An oil pumping part 8 is provided on one side of the oil pan 91. The oil pumping part 8 includes a micro pump 81. The micro pump 81 is arranged on the inner bottom of the lower shell body 5. A conduit 1 82 is provided at the input end of the micro pump 81, and a conduit 2 83 is provided at the output end of the micro pump 81. One end of the conduit 2 83 is connected to one side of the oil pan 91, and a micro one-way valve 84 is provided on the outer side of the conduit 2 83. A battery 10 is provided on the upper side of the support seat 1.

[0032] In this embodiment, the large gear 73 picks up the lubricating oil in the oil pan 91 through the lubrication port 92, and then meshes and rotates with the small gear 72. After the lubricating oil between the two drips onto the inner bottom of the lower shell 5 to a certain amount, the micro pump 81 works to extract it through the conduit 1 82, and then it is sent back to the oil pan 91 through the conduit 2 83 and the micro check valve 84, so that the lubricating oil in the oil pan 91 is kept sufficient for use.

[0033] The working principle of this embodiment is as follows: the motor 3 drives the coupling 11, the coupling 11 drives the connecting shaft 71 to rotate on the half-moon bearing 75, driving the small gear 72 to rotate and mesh with the transmission large gear 73, the large gear 73 rotates and drives the connecting shaft 2 74 to rotate on the half-moon bearing 2 76, the large gear 73 takes the lubricating oil in the oil pan 91 through the lubrication port 92, and then meshes and rotates with the small gear 72, so that there is a certain amount of lubrication between the small gear 72 and the large gear 73.

[0034] It should be noted that the storage battery 10 is used to supply power to all electrical components.

[0035] A coupling 11 is a device that connects two shafts or a shaft and a rotating part, rotates together during the transmission of motion and power, and does not disengage under normal circumstances. Sometimes it is also used as a safety device to prevent the connected parts from being subjected to excessive loads and play an overload protection role.

Claims

1. A high-strength and low-noise gear reducer, characterized in that: The invention comprises a support base (1), a shock-absorbing bracket (2) is arranged on the upper side of the support base (1), a motor (3) is arranged on the upper side of the shock-absorbing bracket (2), a shock-isolating pad (4) is arranged on the upper side of the support base (1), a lower shell (5) is arranged on the upper side of the shock-isolating pad (4), an upper shell (6) is arranged on the upper side of the lower shell (5), a speed reduction assembly (7) is arranged between the upper shell (6) and the lower shell (5), a gear lubrication part (9) is arranged on one side of the speed reduction assembly (7), and a storage battery (10) is arranged on the upper side of the support base (1).

2. A high-strength and low-noise gear reducer according to claim 1, characterized in that: The lower shell (5) comprises an outer shell one (51), the outer shell one (51) being arranged on the upper side of the seismic isolation pad (4), a sound insulation shell one (52) being arranged on the inner side of the outer shell one (51), an inner shell one (53) being arranged on the inner side of the sound insulation shell one (52), and convex plates one (54) being arranged on both sides of the outer shell one (51).

3. A high-strength and low-noise gear reducer according to claim 2, characterized in that: The upper shell (6) comprises a second outer shell (61), wherein the second outer shell (61) is arranged on the upper side of the first outer shell (51), a second sound insulation shell (62) is arranged on the inner side of the second outer shell (61), an inner shell (63) is arranged on the inner side of the second sound insulation shell (62), and convex plates (64) are arranged on both sides of the second outer shell (61).

4. A high-strength and low-noise gear reducer according to claim 3, characterized in that: A plurality of fixing members (12) are arranged between the first convex plate (54) and the second convex plate (64).

5. A high-strength and low-noise gear reducer according to claim 1, characterized in that: The reduction assembly (7) comprises a first connecting shaft (71), wherein the first connecting shaft (71) is arranged between the lower housing (5) and the upper housing (6), a small gear (72) is arranged on the outer side of the first connecting shaft (71), a large gear (73) is meshedly connected to one side of the small gear (72), a second connecting shaft (74) is arranged on one side of the large gear (73), a first half-moon bearing (75) is arranged on the inner side of the lower housing (5), one side of the first half-moon bearing (75) is in contact with the outer side of the first connecting shaft (71), and a second half-moon bearing (76) is arranged on the inner side of the upper housing (6), one side of the second half-moon bearing (76) is in contact with the outer side of the second connecting shaft (74).

6. A high-strength and low-noise gear reducer according to claim 5, characterized in that: A coupling (11) is provided at the shaft end of the motor (3), and one end of the coupling (11) is connected to one end of the first connecting shaft (71).

7. A high-strength and low-noise gear reducer according to claim 5, characterized in that: The gear lubrication portion (9) comprises an oil pan (91), the oil pan (91) being arranged at the inner bottom of the lower housing (5), a lubrication port (92) being arranged on a side of the oil pan (91) close to the large gear (73), one side of the large gear (73) being placed in the lubrication port (92), an oil guide housing (93) being inserted on the upper side of the oil pan (91), a sealing plate (94) being snap-connected on the upper side of the oil guide housing (93), and an oil extraction portion (8) being arranged on one side of the oil pan (91).

8. A high-strength and low-noise gear reducer according to claim 7, characterized in that: The oil pumping section (8) comprises a micro pump (81), the micro pump (81) being arranged at the inner bottom of the lower housing (5), the input end of the micro pump (81) being provided with a first conduit (82), the output end of the micro pump (81) being provided with a second conduit (83), one end of the second conduit (83) being connected to one side of the oil pan (91), and the outer side of the second conduit (83) being provided with a micro one-way valve (84).