Speed reducer with high lubrication keeping performance

Abstract

The utility model relates to the technical field of speed reducers, in particular to a high-lubrication-keeping speed reducer which comprises a speed reducer assembly, a front oil coating mechanism arranged on one side of the speed reducer assembly and a rear oil coating mechanism arranged on the other side of the speed reducer assembly. The front oil covering mechanism comprises a first protective sleeve, a first pressurizing backing ring installed on the inner wall of the first protective sleeve and a first oil pushing brush head arranged in an inner cavity of the first protective sleeve. After two bearings outside a first transmission shaft and a second transmission shaft are filled with lubricating oil, along with connection of an external motor and the first transmission shaft, when the first transmission shaft and the second transmission shaft are transmitted and rotate at a high speed, the two bearings which are in independent spaces and are safely separated can operate in a safe state; and meanwhile, the first oil pushing brush head and the second oil pushing brush head continuously push and extrude the overflowed lubricating oil into the bearing, and therefore it can be guaranteed that the friction resistance cannot be increased during the long-time operation period of the bearing of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a reducer with high lubrication retention. Background Art

[0002] Reducers are generally used in low-speed and high-torque transmission equipment. The purpose of reducing speed is achieved by meshing the gear with a small number of teeth on the input shaft of the reducer with the large gear on the output shaft to transfer the power of the electric motor, internal combustion engine or other high-speed running power.

[0003] However, when the existing reducer is put into use, since the two shafts are directly exposed to the external environment, the temperature in the equipment gap increases and the speed increases, the lubricating oil filled in the bearings can be easily thrown out under the centrifugal force. As the reducer runs for a long time, the bearings that are out of lubricating oil protection are easily damaged.

[0004] Regarding the protection of the bearings on the shafts at both ends of the reducer, how to prevent the bearings arranged outside the shafts from being spun off due to the centrifugal force is a technical difficulty that needs to be solved. Utility Model Content

[0005] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0006] To this end, the technical solution adopted in this utility model is:

[0007] A high-lubrication reducer comprises a reducer assembly, a front oil-covering mechanism arranged on one side of the reducer assembly, and a rear oil-covering mechanism arranged on the other side of the reducer assembly;

[0008] The front oil covering mechanism comprises a first protective sleeve, a first pressurizing ring installed on the inner wall of the first protective sleeve, a first oil pushing brush head arranged in the inner cavity of the first protective sleeve, and a main rivet penetrating into the first oil pushing brush head;

[0009] The rear oil covering mechanism includes a second protective sleeve whose port is consistent with the first protective sleeve, a second pressurizing gasket installed on the inner wall of the second protective sleeve, a second oil pushing brush head arranged in the inner cavity of the second protective sleeve, and a secondary rivet penetrating into the second oil pushing brush head.

[0010] In a preferred example, the utility model can be further configured as follows: the reducer assembly includes a body shell, a first transmission shaft movably mounted in an end tube at one location outside the body shell, and a second transmission shaft movably mounted in an end tube at another location outside the body shell;

[0011] The first transmission shaft and the second transmission shaft are both provided with reserved sockets on their exteriors.

[0012] In a preferred example, the utility model can be further configured as follows: the front oil covering mechanism also includes two main bolts threadedly installed inside the first protective sleeve, a first cross bar fixedly installed on the external end plate of the first protective sleeve, a main pressure plate movably installed outside the first cross bar, a first spring arranged outside the first cross bar, and a main locking bolt connected to the outer end of the first cross bar.

[0013] In a preferred example, the utility model can be further configured as follows: the rear oil covering mechanism also includes two auxiliary bolts threadedly installed inside the second protective sleeve, a second cross bar fixedly installed on the outer end plate of the second protective sleeve, an auxiliary pressure plate movably installed on the outside of the second cross bar, a second spring arranged on the outside of the second cross bar, and an auxiliary locking bolt connected to the outer end of the second cross bar.

[0014] In a preferred example, the utility model can be further configured as follows: the first protective sleeve and the second protective sleeve are both made of aluminum alloy material, and threaded holes are provided in the outer sleeves of the first protective sleeve and the second protective sleeve.

[0015] In a preferred example, the utility model can be further configured as follows: arc-shaped blades distributed in a circumference are installed on the inner sides of the first oil pushing brush head and the second oil pushing brush head, and holes are opened in the cylindrical end tubes on the outer sides of the first oil pushing brush head and the second oil pushing brush head.

[0016] By adopting the above technical solution, the beneficial effects achieved by the utility model are:

[0017] 1. The utility model fills the lubricating oil in the two bearings outside the first transmission shaft and the second transmission shaft. With the connection of the external motor to the first transmission shaft, when the first transmission shaft and the second transmission shaft are driven and rotated at a high speed, the two bearings in independent spaces and safely separated can operate in a safe state. At the same time, the first oil pushing brush head and the second oil pushing brush head continuously push the overflowed lubricating oil into the bearings, thereby ensuring that the bearings of the device will not have the problem of increased friction resistance during long-term operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the utility model when in use;

[0019] Figure 2 It is a dispersion schematic diagram of the utility model;

[0020] Figure 3 It is a dispersed schematic diagram of the rear-mounted oil covering mechanism of the utility model;

[0021] Figure 4 For this utility model Figure 3 The enlarged schematic diagram of point A in the middle;

[0022] Figure 5 It is a dispersed schematic diagram of the front oil covering mechanism of the utility model;

[0023] Figure 6 For this utility model Figure 5 A magnified schematic diagram of point B in the middle.

[0024] Reference numerals:

[0025] 100, reducer assembly; 110, housing; 120, first transmission shaft; 130, second transmission shaft;

[0026] 200, front oil covering mechanism; 210, first protective sleeve; 220, first booster ring; 230, main bolt; 240, first oil pushing brush head; 250, main rivet; 260, first cross bar; 270, main pressure plate; 280, first spring; 290, main locking bolt;

[0027] 300, rear oil covering mechanism; 310, second protective sleeve; 320, second booster gasket; 330, auxiliary bolt; 340, second oil pushing brush head; 350, auxiliary rivet; 360, second cross bar; 370, auxiliary pressure plate; 380, second spring; 390, auxiliary locking bolt. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0029] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0030] A high-lubrication reducer provided by some embodiments of the utility model is described below in conjunction with the accompanying drawings. Embodiment 1

[0031] Combination Figure 1-Figure 6 As shown, the utility model provides a high-lubrication reducer, comprising a reducer assembly 100, a front oil-coating mechanism 200 arranged on one side of the reducer assembly 100, and a rear oil-coating mechanism 300 arranged on the other side of the reducer assembly 100;

[0032] The reducer assembly 100 includes a body shell 110, a first transmission shaft 120 movably mounted in an end tube at one location outside the body shell 110, and a second transmission shaft 130 movably mounted in an end tube at another location outside the body shell 110;

[0033] The first transmission shaft 120 and the second transmission shaft 130 are both provided with reserved insertion holes on their exteriors.

[0034] The front oil covering mechanism 200 includes a first protective sleeve 210, a first pressurizing gasket 220 installed on the inner wall of the first protective sleeve 210, a first oil pushing brush head 240 arranged in the inner cavity of the first protective sleeve 210, and a main rivet 250 penetrating into the first oil pushing brush head 240;

[0035] The rear oil covering mechanism 300 includes a second protective sleeve 310 whose port is consistent with the first protective sleeve 210, a second pressurizing gasket 320 installed on the inner wall of the second protective sleeve 310, a second oil pushing brush head 340 arranged in the inner cavity of the second protective sleeve 310, and a secondary rivet 350 penetrating into the second oil pushing brush head 340.

[0036] When the two shafts of the reducer rotate at high speed, the bearings installed outside the shafts put pressure on the shafts, and the lubricating oil filled in the bearings is thrown outward under the action of centrifugal force. When the lubricating oil inside the bearings is dried, the balls inside the bearings will wear due to the increase in friction resistance, which will affect the rotation state of the shafts.

[0037] When the device is in use, a first protective sleeve 210 and a second protective sleeve 310 are arranged on the outside of the two shafts and the two bearings, and a first oil pushing brush head 240 is movably installed in the inner cavity of the first protective sleeve 210, and a secondary rivet 350 is movably installed in the inner cavity of the second protective sleeve 310. As the first transmission shaft 120 drives the first oil pushing brush head 240 to rotate, the second oil pushing brush head 340 is linked to the second transmission shaft 130 by the differential gear inside the body shell 110. At this time, the second oil pushing brush head 340 will also rotate accordingly, and the two bearings in the inner cavities of the first protective sleeve 210 and the second protective sleeve 310 can be isolated from the external environment, thereby avoiding the problem of the lubricating oil being dried out due to the action of centrifugal force. Embodiment 2

[0038] Combination Figure 2-Figure 6 As shown, on the basis of Example 1, the front oil covering mechanism 200 also includes two main bolts 230 threadedly installed inside the first protective sleeve 210, a first cross bar 260 fixedly installed on the outer end plate of the first protective sleeve 210, a main pressure plate 270 movably installed outside the first cross bar 260, a first spring 280 arranged outside the first cross bar 260, and a main locking bolt 290 connected to the outer end of the first cross bar 260.

[0039] The rear oil covering mechanism 300 also includes two secondary bolts 330 threadedly installed inside the second protective sleeve 310, a second cross bar 360 fixedly installed on the outer end plate of the second protective sleeve 310, a secondary pressure plate 370 movably installed outside the second cross bar 360, a second spring 380 arranged outside the second cross bar 360, and a secondary locking bolt 390 connected to the outer end of the second cross bar 360.

[0040] The first protective sleeve 210 and the second protective sleeve 310 are both made of aluminum alloy material, and threaded holes are formed in the outer sleeves of the first protective sleeve 210 and the second protective sleeve 310 .

[0041] The first oil pushing brush head 240 and the second oil pushing brush head 340 are both provided with arc-shaped blades distributed in a circumference on the inner side thereof, and holes are both provided in the cylindrical end tubes on the outer side thereof.

[0042] When the arc-shaped blades on the first oil-pushing brush head 240 and the second oil-pushing brush head 340 rotate at high speed, the lubricating oil that overflows along the outside of the shaft will be pressed back into the inside of the bearing under the action of the rotational force of multiple arc-shaped blades. At this time, after the first transmission shaft 120 and the second transmission shaft 130 cooperate with the two bearings to rotate at high speed, the lubricating oil can always keep the balls inside the bearing moist to avoid the problem of mutual wear due to drying of the balls.

[0043] The working principle and use process of the utility model are as follows: the second booster washer 320 and the first booster washer 220 are respectively welded to the inner walls of the second protective sleeve 310 and the first protective sleeve 210 in advance, and a plurality of second cross bars 360 are fixedly installed on the end plate of the outer wall of the second protective sleeve 310, and the second oil-pushing brush head 340 is movably installed on the outside of the second cross bar 360. At this time, the second spring 380 is movably installed on the outside of the second cross bar 360, and the second spring 380 is fixed to the outer end of the second cross bar 360, and the outer end of the second spring 380 will be constrained by the secondary locking bolt 390. A reverse thrust is applied to the second oil-pushing brush head 340. At this time, the second oil-pushing brush head 340 is constrained by the plurality of second oil-pushing brush heads 340 and fits on the outside of the second booster gasket 320. Then, the combined first protective sleeve 210 and the second protective sleeve 310 are movably installed on the outside of the end tubes at both ends of the body shell 110. At this time, the main bolt 230 penetrating into the first protective sleeve 210 is pressed against the outside of the end tube at one end of the outside of the body shell 110, and the auxiliary bolt 330 penetrating into the second protective sleeve 310 is pressed against the outside of the end tube at the other end of the outside of the body shell 110.

[0044] When in use, the lubricating oil is filled into the bearings of the end tubes at both ends of the body shell 110, and the first oil pushing brush head 240 and the second oil pushing brush head 340 are respectively fixed to the outside of the first transmission shaft 120 and the second transmission shaft 130 by using the main rivet 250 and the secondary rivet 350. When the first transmission shaft 120 cooperates with the differential gear to drive the second transmission shaft 130 to rotate, the first oil pushing brush head 240 and the second oil pushing brush head 340 located outside the first transmission shaft 120 and the second transmission shaft 130 can push the overflowed lubricating oil toward the ball part of the bearing. At this time, the first transmission shaft 120 and the second transmission shaft 130, which are in a high-speed running state, can avoid being directly exposed to the outside world and being subjected to the action of centrifugal force, which causes the lubricating oil to be peeled off from the bearing.

[0045] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A high lubrication reducer, characterized in that: It comprises a reducer assembly (100), a front oil covering mechanism (200) arranged on one side of the reducer assembly (100), and a rear oil covering mechanism (300) arranged on the other side of the reducer assembly (100); The front oil covering mechanism (200) comprises a first protective sleeve (210), a first pressurizing gasket (220) mounted on the inner wall of the first protective sleeve (210), a first oil pushing brush head (240) arranged in the inner cavity of the first protective sleeve (210), and a main rivet (250) penetrating into the first oil pushing brush head (240); The rear-mounted oil covering mechanism (300) comprises a second protective sleeve (310) whose port is consistent with that of the first protective sleeve (210), a second pressurizing washer (320) installed on the inner wall of the second protective sleeve (310), a second oil pushing brush head (340) arranged in the inner cavity of the second protective sleeve (310), and a secondary rivet (350) penetrating into the second oil pushing brush head (340).

2. A high lubrication reducer according to claim 1, characterized in that: The reducer assembly (100) comprises a machine housing (110), a first transmission shaft (120) movably mounted in an end tube at one location outside the machine housing (110), and a second transmission shaft (130) movably mounted in an end tube at another location outside the machine housing (110); The first transmission shaft (120) and the second transmission shaft (130) are both provided with reserved sockets on their exteriors.

3. A high lubrication reducer according to claim 1, characterized in that: The front oil covering mechanism (200) further comprises two main bolts (230) threadedly mounted inside the first protective sleeve (210), a first cross bar (260) fixedly mounted on an external end plate of the first protective sleeve (210), a main pressure plate (270) movably mounted outside the first cross bar (260), a first spring (280) arranged outside the first cross bar (260), and a main locking bolt (290) connected to the outer end of the first cross bar (260).

4. A high lubrication reduction gearbox according to claim 1, characterized in that: The rear oil covering mechanism (300) further comprises two auxiliary bolts (330) threadedly mounted inside the second protective sleeve (310), a second cross bar (360) fixedly mounted on an external end plate of the second protective sleeve (310), an auxiliary pressure plate (370) movably mounted outside the second cross bar (360), a second spring (380) disposed outside the second cross bar (360), and an auxiliary locking bolt (390) connected to the outer end of the second cross bar (360).

5. A high lubrication reduction gearbox according to claim 1, characterized in that: The first protective sleeve (210) and the second protective sleeve (310) are both made of an aluminum alloy material, and threaded holes are provided in the outer sleeves of the first protective sleeve (210) and the second protective sleeve (310).

6. A high lubrication reduction gearbox according to claim 1, characterized in that: Arc-shaped blades distributed in a circumference are installed on the inner sides of the first oil pushing brush head (240) and the second oil pushing brush head (340), and holes are opened in the cylindrical end tubes on the outer sides of the first oil pushing brush head (240) and the second oil pushing brush head (340).

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