CN215214668U - Main reducer bearing lubricating mechanism - Google Patents
Main reducer bearing lubricating mechanism Download PDFInfo
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- CN215214668U CN215214668U CN202120931510.6U CN202120931510U CN215214668U CN 215214668 U CN215214668 U CN 215214668U CN 202120931510 U CN202120931510 U CN 202120931510U CN 215214668 U CN215214668 U CN 215214668U
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- shaft sleeve
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- shell
- umbrella
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Abstract
The utility model belongs to the technical field of main reducer bearing, concretely relates to main reducer bearing lubricating mechanism. The differential mechanism comprises a driving spiral shell, a driven spiral shell, a speed reducer shell and a differential mechanism assembly; the speed reducer shell comprises a shaft sleeve and a shell cover sleeved outside the shaft sleeve in a hollow mode, an umbrella shaft of the driving spiral umbrella is installed in the shaft sleeve in a socket mode through a first bearing and a second bearing, a baffle is arranged at one end, corresponding to the U-shaped seat, of the shaft sleeve, the baffle is fixedly installed on the end face, corresponding to the space between a pair of adjacent connecting rib plates, of the top of the shaft sleeve, and the baffle and the corresponding shell cover form a relatively closed oil storage cavity; the opening has been seted up on the axle sleeve that corresponds between a pair of connection gusset, and during operation, when driven spiral shell umbrella counter-clockwise was rotatory, flows into the oil storage chamber after main reducer casing lateral wall is touch to fluid, and fluid in the oil storage chamber can play the lubrication action to first bearing, second bearing through the cavity between opening inflow first bearing, the second bearing, promotes the life of first bearing and second bearing.
Description
Technical Field
The utility model belongs to the technical field of main reducer bearing, concretely relates to main reducer bearing lubricating mechanism.
Background
The main speed reduction mainly has the function of converting low-speed large torque output by the gearbox into low-speed small torque to be transmitted to a drive axle through the speed reduction of a main speed reducer and a driven spiral bevel gear; the driving spiral bevel of the main speed reducer is supported by the two tapered roller bearings, the two tapered roller bearings are normally lubricated by oil immersion, but the oil level of general lubricating oil is lower and lower than the central line of the bearings, so the lubricating effect on the two tapered roller bearings is poor, but the rotating speed of the driving spiral bevel is generally higher, therefore, the rotating speed of the tapered roller bearings is also higher, the high-speed heat productivity is increased, if the tapered roller bearings cannot be sufficiently lubricated, the tapered roller bearings are inevitably damaged, the whole vehicle cannot work, the workload for replacing the tapered roller bearings is quite large, and the working efficiency of the forklift is directly influenced.
SUMMERY OF THE UTILITY MODEL
To the problem in the background art, the utility model relates to a main reducer bearing lubrication mechanism solves the lubricated bad condition of bearing of high-speed heavy load main reducer, and concrete technical scheme is as follows:
a main reducer bearing lubrication mechanism comprises a driving spiral bevel 1, a driven spiral bevel 2, a reducer shell 3 and a differential assembly 4;
the speed reducer shell 3 comprises a shaft sleeve 31 and a shell cover 32 coaxially arranged outside the shaft sleeve 31, and connecting rib plates are uniformly distributed on the outer cylindrical surface of the shaft sleeve 31 and the inner side of the shell cover 32;
the umbrella shaft of the driving spiral umbrella 1 is inserted in the shaft sleeve 31 through a first bearing 51 and a second bearing 52, a cavity 8 is formed between the first bearing 51 and the second bearing 52 at intervals, and the end part of the umbrella shaft is hermetically arranged at the small end of the shell cover 32 through the spline connection with the input flange 6;
the driven spiral bevel 2 is meshed with the driving spiral bevel 1 through a gear, and the driven spiral bevel 2 is fixedly connected with the differential assembly 4;
a pair of bearing seats 41 at two ends of the differential assembly 4 correspond to a pair of U-shaped seats 321 on the large end of the shell cover 32 and are fixed through bolts 322;
a baffle 7 is arranged at one end of the shaft sleeve 31 corresponding to the U-shaped seat, and the baffle 7 is fixedly arranged on the end surface of the shaft sleeve 31 corresponding to the space between the pair of adjacent connecting rib plates 33 at the top of the shaft sleeve 31, so that the pair of connecting rib plates 33, the outer circular surface of the shaft sleeve 31 corresponding to the pair of connecting rib plates 33, the baffle 7 and the corresponding shell cover 32 form a relatively closed oil storage cavity 81;
a notch 311 is arranged on the corresponding shaft sleeve 31 between the pair of connecting rib plates 33.
Further, the notch 311 is formed to penetrate in the axial direction of the shaft sleeve 31.
Further, a pair of grooves are spaced on the inner cylindrical surface of the shaft sleeve 31, and the pair of grooves are correspondingly matched with the outer rings of the first bearing 51 and the second bearing 52.
Further, the inner diameter of the first bearing 51 is larger than that of the second bearing 52.
The utility model has the advantages of as follows:
the utility model discloses a main reducer bearing lubricating mechanism is equipped with the baffle at the axle sleeve and corresponds U-shaped seat one end, and baffle fixed mounting is on the axle sleeve terminal surface that corresponds between the adjacent a pair of connection gusset in axle sleeve top for the outer disc of the axle sleeve that corresponds between a pair of connection gusset, baffle and corresponding cap form the oil storage chamber of relative confined, set up the opening on the axle sleeve that corresponds between a pair of connection gusset simultaneously; the during operation initiative spiral shell umbrella, the integrative high-speed rotation of first bearing and second bearing, and with power transmission to driven spiral shell umbrella, when driven spiral shell umbrella counter-clockwise is rotatory, driven spiral shell umbrella will drive the gear oil rotation below its central line, when the lateral wall of main reducer casing is touch to fluid, the intracavity that stores up flows in, fluid in the oil storage chamber can flow in the cavity between first bearing and the second bearing through the opening, play the lubrication action to first bearing and second bearing, promote the life of first bearing and second bearing.
Drawings
Fig. 1 is the structure schematic diagram of the main reducer bearing lubricating mechanism of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic structural diagram of the reducer case of the present invention.
Wherein: the differential mechanism comprises a driving spiral bevel 1, a driven spiral bevel 2, a speed reducer shell 3, a shaft sleeve 31, a notch 311, a shell cover 32, a pair of U-shaped seats 321, a bolt 322, a pair of connecting rib plates 33, a differential mechanism assembly 4, a pair of bearing seats 41, a first bearing 51, a second bearing 52, an input flange 6, a baffle 7, a cavity 8 and an oil storage cavity 81.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Examples
Referring to fig. 1 and 2, a main reducer bearing lubrication mechanism comprises a driving spiral bevel 1, a driven spiral bevel 2, a reducer housing 3 and a differential assembly 4;
the speed reducer shell 3 comprises a shaft sleeve 31 and a shell cover 32 coaxially arranged outside the shaft sleeve 31, and connecting rib plates are uniformly arranged on the outer cylindrical surface of the shaft sleeve 31 and the inner side of the corresponding shell cover 32;
the umbrella shaft of the driving spiral umbrella 1 is inserted in the shaft sleeve 31 through a first bearing 51 and a second bearing 52, a cavity 8 is formed between the first bearing 51 and the second bearing 52 at intervals, and the end part of the umbrella shaft is hermetically installed at the small end of the shell cover 32 through the spline connection with the input flange 6;
the driven spiral bevel 2 is meshed with the driving spiral bevel 1 through a gear, and the driven spiral bevel 2 is fixedly connected with the differential assembly 4;
a pair of bearing seats 41 at two ends of the differential assembly 4 correspond to a pair of U-shaped seats 321 on the large end of the shell cover 32 and are fixed through bolts 322;
one end of the shaft sleeve 31 corresponding to the U-shaped seat is provided with a baffle 7, and the baffle 7 is fixedly arranged on the end surface of the shaft sleeve 31 corresponding to the space between the pair of adjacent connecting rib plates 33 at the top of the shaft sleeve 31.
Two threaded holes on the end face of the sleeve 31 are used for fixedly mounting the baffle 7, see fig. 3.
Therefore, a pair of connecting rib plates 33, the outer circular surface of the corresponding shaft sleeve 31 between the pair of connecting rib plates 33, the baffle 7 and the corresponding shell cover 32 form a relatively closed oil storage cavity 81;
a notch 311 is arranged on the corresponding shaft sleeve 31 between the pair of connecting rib plates 33.
The notch 311 is opened along the axial direction of the shaft sleeve 31.
A pair of grooves are spaced on the inner cylindrical surface of the shaft sleeve 31, and the pair of grooves are correspondingly matched with the outer rings of the first bearing 51 and the second bearing 52.
The first bearing 51 has an inner diameter larger than that of the second bearing 52.
When the power output device works, power is firstly transmitted to the input flange 6, then transmitted to the driving spiral umbrella 1 and then transmitted to the driven spiral umbrella 2 meshed with the driving spiral umbrella 1, and then power output is achieved.
Initiative spiral shell umbrella 1 and first bearing 51 in the course of the work, the integrative high-speed rotation of second bearing 52, and with power transmission to driven spiral shell umbrella 2, when driven spiral shell umbrella 2 anticlockwise rotation, driven spiral shell umbrella 2 will drive the gear oil rotation below the central line, flow into oil storage chamber 81 after main reducer casing 3 lateral wall is touched to fluid, fluid in oil storage chamber 81 can flow into first bearing 51 through 311 openings, cavity 8 between the second bearing 52, to first bearing 51, second bearing 52 plays the lubrication action, promote first bearing 51 and second bearing 52's life.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A main reducer bearing lubricating mechanism comprises a driving spiral bevel (1), a driven spiral bevel (2), a reducer shell (3) and a differential assembly (4);
the reducer shell (3) comprises a shaft sleeve (31) and a shell cover (32) coaxially arranged outside the shaft sleeve (31), and connecting rib plates are uniformly distributed on the outer cylindrical surface of the shaft sleeve (31) and the inner side of the shell cover (32);
the umbrella shaft of the driving spiral umbrella (1) is inserted in the shaft sleeve (31) through a first bearing (51) and a second bearing (52), a cavity (8) is formed by the first bearing (51) and the second bearing (52) in an interval arrangement mode, and the end part of the umbrella shaft is hermetically installed at the small end of the shell cover (32) through spline connection with the input flange (6);
the driven spiral bevel (2) is meshed with the driving spiral bevel (1) through a gear, and the driven spiral bevel (2) is fixedly connected with the differential assembly (4);
a pair of bearing seats (41) at two ends of the differential assembly (4) correspond to a pair of U-shaped seats (321) on the large end of the shell cover (32) and are fixed through bolts (322);
the method is characterized in that: one end of the shaft sleeve (31) corresponding to the U-shaped seat is provided with a baffle (7), and the baffle (7) is fixedly arranged on the end surface of the shaft sleeve (31) corresponding to a pair of connecting rib plates (33) adjacent to the top of the shaft sleeve (31), so that the pair of connecting rib plates (33), the outer circular surface of the shaft sleeve (31) corresponding to the pair of connecting rib plates (33), the baffle (7) and the corresponding shell cover (32) form a relatively closed oil storage cavity (81);
and a notch (311) is formed on the corresponding shaft sleeve (31) between the pair of connecting rib plates (33).
2. A final drive bearing lubrication mechanism according to claim 1, wherein: the notch (311) penetrates along the axial direction of the shaft sleeve (31).
3. A final drive bearing lubrication mechanism according to claim 1, wherein: a pair of grooves are formed in the inner cylindrical surface of the shaft sleeve (31) at intervals and are correspondingly matched with the outer rings of the first bearing (51) and the second bearing (52).
4. A final drive bearing lubrication mechanism according to claim 1 or 3, characterized in that: the inner diameter of the first bearing (51) is larger than the inner diameter of the second bearing (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120931510.6U CN215214668U (en) | 2021-04-30 | 2021-04-30 | Main reducer bearing lubricating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120931510.6U CN215214668U (en) | 2021-04-30 | 2021-04-30 | Main reducer bearing lubricating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215214668U true CN215214668U (en) | 2021-12-17 |
Family
ID=79448227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120931510.6U Active CN215214668U (en) | 2021-04-30 | 2021-04-30 | Main reducer bearing lubricating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215214668U (en) |
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2021
- 2021-04-30 CN CN202120931510.6U patent/CN215214668U/en active Active
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