CN214788856U - Speed reducer gear unlocking structure - Google Patents
Speed reducer gear unlocking structure Download PDFInfo
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- CN214788856U CN214788856U CN202120366514.4U CN202120366514U CN214788856U CN 214788856 U CN214788856 U CN 214788856U CN 202120366514 U CN202120366514 U CN 202120366514U CN 214788856 U CN214788856 U CN 214788856U
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- pin
- shell
- sun gear
- sun
- speed reducer
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Abstract
The utility model discloses a speed reducer gear unlocking structure, the speed reducer includes casing, sun gear subassembly and planet wheel subassembly, the sun gear subassembly includes sun gear axle and sun gear body, its characterized in that, the unlocking structure includes supporting pin, round pin lid and spring; the pin cover is detachably fixed at the position, matched with the sun wheel shaft, of the outer side of the shell; the pin cover comprises a working surface, and the distance between the working surface and the shell is adjustable; one end of the supporting pin is fixed at one end of the sun wheel shaft, and the other end of the supporting pin penetrates through the shell and abuts against the pin cover; the other end of the sun wheel shaft is elastically abutted against the shell through a spring; the outer circumference of the support pin is inside the root circle of the sun gear body. Therefore, the utility model discloses be convenient for separate hydraulic motor and reduction gears when breaking down, be convenient for seek verification problem, and need not to open the speed reducer lid in the processing procedure and take out the sun gear, convenient operation is swift.
Description
Technical Field
The utility model relates to a speed reducer field especially relates to a speed reducer gear unlocking structure.
Background
The speed reducer is used for converting high rotating speed and low torque of a motor into low rotating speed and high torque in modern industry, although the speed reducer can be checked regularly in the normal use process, the condition of internal gears can be known through the smoothness, sound, vibration and the like of the operation of the speed reducer, because a plurality of gears are arranged in the speed reducer, the speed reducer is in various state combination expression of all the gears in the checking process, the fault gear is difficult to accurately position on the premise of not disassembling a shell of the speed reducer, even the speed reducer is suddenly failed, so that the speed reducer cannot operate, the speed reducer needs to wait for disassembly and maintenance on site, and the field operation progress is influenced.
For example current a walking motor that is used for driving engineering equipment to remove generally comprises hydraulic motor and reduction gears, and the reduction gears who arranges with walking motor is mostly two-stage speed reduction, constitutes including one-level sun gear, one-level planet wheel, second grade sun gear, second grade planet wheel and speed reduction casing. If the reduction mechanism cannot normally operate due to failure conditions of gear breakage, gear surface abrasion, gear surface pitting, plastic deformation, gluing and the like in the operation process of the gear, the gear must be disassembled and maintained on site, otherwise, the engineering equipment cannot move, and the operation of other equipment can be hindered on site.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a speed reducer gear unlocking structure.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a gear unlocking structure of a speed reducer comprises a shell, a sun wheel assembly and a planet wheel assembly, wherein the sun wheel assembly comprises a sun wheel shaft and a sun wheel body;
the pin cover is detachably fixed at the position, matched with the sun wheel shaft, of the outer side of the shell; the pin cover comprises a working surface, and the distance between the working surface and the shell is adjustable;
one end of the supporting pin is fixed at one end of the sun wheel shaft, and the other end of the supporting pin penetrates through the shell and abuts against the pin cover;
the other end of the sun wheel shaft is elastically abutted against the shell through a spring;
the outer circumference of the support pin is inside the root circle of the sun gear body.
Compared with the prior art, the utility model discloses following technological effect has:
the hydraulic motor and the speed reducing mechanism are conveniently separated when the motor breaks down, the problem of the walking motor is conveniently searched and verified, meanwhile, the speed reducing mechanism rotates when the motor and the speed reducing separation state are conveniently dragged, the engineering machinery can walk under the condition of unilateral driving, a speed reducer cover does not need to be opened in the processing process to take out the sun gear, and the operation is convenient and rapid.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Preferably, the bearing device further comprises a thrust device fixed at a position inside the housing and matching with the sun gear shaft, and the support pin penetrates through the housing and the thrust device and is fixed at one end of the sun gear shaft.
The beneficial effect of adopting above-mentioned further scheme is, be convenient for production and installation.
Preferably, one end of the sun gear shaft connecting spring is provided with a spring hole, the spring is embedded in the spring hole, the fixing effect on the spring is better, and faults are avoided in the operation process.
Preferably, the pin cover is a cap-shaped structure, the supporting pin abuts against the inner side of the cap-shaped structure of the pin cover in the forward installation, and the supporting pin abuts against the outer side of the cap-shaped structure of the pin cover in the reverse installation.
The beneficial effect of adopting above-mentioned further scheme is, simple structure, low in production cost.
Drawings
Fig. 1 is a schematic structural view of a speed reducer gear unlocking structure of the present invention;
FIG. 2 is a schematic view of a normal operating state of a gear of the speed reducer;
FIG. 3 is a schematic view of a speed reducer gear in an unlocked state;
FIG. 4 is a schematic view of a normal operation state of the travel motor reducer;
fig. 5 is a schematic view of the travel motor reducer in an unlocked state.
In the drawings, the parts names represented by the respective reference numerals are listed as follows:
1. a housing; 2. a sun gear assembly; 2-1, a sun gear shaft; 2-1-1, spring hole; 2-2, a sun gear body; 3. a planet wheel assembly; 4. a support pin; 5. a thrust runner; 6. a pin cover; 7. a spring.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of a speed reducer gear unlocking structure according to the present invention. The speed reducer comprises a shell 1, a sun wheel assembly 2 and a planet wheel assembly 3, wherein the sun wheel assembly 2 comprises a sun wheel shaft 2-1 and a sun wheel body 2-2, and the speed reducer is characterized in that the unlocking structure comprises a supporting pin 4, a thrust device 5, a pin cover 6 and a spring 7;
the pin cover 6 is detachably fixed at the position, matched with the sun gear shaft 2-1, of the outer side of the shell 1; the pin cover 6 is in a cap-shaped structure, the supporting pin 4 abuts against the inner side of the cap-shaped structure of the pin cover 6 in the forward installation, and the supporting pin 4 abuts against the outer side of the cap-shaped structure of the pin cover 6 in the reverse installation;
the thrust device 5 is fixed at the position, matched with the sun gear shaft 2-1, of the inner side of the shell 1;
one end of the support pin 4 is fixed at one end of the sun gear shaft 2-1, and the support pin 4 penetrates through the shell 1 and the thrust device 5 and is fixed at one end of the sun gear shaft 2-1;
the other end of the sun wheel shaft 2-1 is provided with a spring hole 2-1-1, and the spring 7 is embedded in the spring hole 2-1-1 and elastically abutted against the shell 1 through the spring 7;
the outer circumference of the support pin 4 is inside the root circle of the sun gear body 2-2.
As shown in fig. 2, which is a schematic diagram of a normal operating state of a gear of the speed reducer, the pin cover 6 is installed in a forward direction, the support pin 4 abuts against the inner side of the cap-shaped structure of the pin cover 7, the sun gear body 2-2 is meshed with the planet gear assembly 3, and the speed reducer operates normally.
As shown in fig. 3, it is a schematic view of the speed reducer gear unlocking state. The supporting pin 4 is abutted against the outer side of the cap-shaped structure of the pin cover 7, the sun wheel body 2-2 and the planet wheel assembly 3 are in a separated state, and the speed reducer gear is unlocked.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. A gear unlocking structure of a speed reducer comprises a shell, a sun wheel assembly and a planet wheel assembly, wherein the sun wheel assembly comprises a sun wheel shaft and a sun wheel body;
the pin cover is detachably fixed at the position, matched with the sun wheel shaft, of the outer side of the shell; the pin cover comprises a working surface, and the distance between the working surface and the shell is adjustable;
one end of the supporting pin is fixed at one end of the sun wheel shaft, and the other end of the supporting pin penetrates through the shell and abuts against the pin cover;
the other end of the sun wheel shaft is elastically abutted against the shell through a spring;
the outer circumference of the support pin is inside the root circle of the sun gear body.
2. The reducer gear unlocking structure according to claim 1, further comprising a thrust washer fixed inside the housing at a position that fits the sun gear shaft, the support pin being fixed to one end of the sun gear shaft through the housing and the thrust washer.
3. The reducer gear unlocking structure according to claim 1, wherein a spring hole is formed at one end of the sun gear shaft connection spring, and the spring is embedded in the spring hole.
4. The reducer gear unlocking structure according to claim 1, wherein the pin cover is a hat-shaped structure, and the support pin abuts against an inner side of the hat-shaped structure of the pin cover when the pin cover is positively installed, and abuts against an outer side of the hat-shaped structure of the pin cover when the pin cover is reversely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366514.4U CN214788856U (en) | 2021-02-09 | 2021-02-09 | Speed reducer gear unlocking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120366514.4U CN214788856U (en) | 2021-02-09 | 2021-02-09 | Speed reducer gear unlocking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788856U true CN214788856U (en) | 2021-11-19 |
Family
ID=78753250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120366514.4U Active CN214788856U (en) | 2021-02-09 | 2021-02-09 | Speed reducer gear unlocking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788856U (en) |
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2021
- 2021-02-09 CN CN202120366514.4U patent/CN214788856U/en active Active
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