CN211693438U - Shaft end connection transmission structure of speed reducer - Google Patents
Shaft end connection transmission structure of speed reducer Download PDFInfo
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- CN211693438U CN211693438U CN201921713638.4U CN201921713638U CN211693438U CN 211693438 U CN211693438 U CN 211693438U CN 201921713638 U CN201921713638 U CN 201921713638U CN 211693438 U CN211693438 U CN 211693438U
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- speed reducer
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- motor
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Abstract
The utility model discloses a reduction gear axle head hookup transmission structure. It includes the power input shaft that the speed reducer power input end set up and the power output shaft that the motor output set up, the power input shaft is including being used for carrying out the reduction gear installation end of installing and connecting the input connection end on the reduction gear installation end with the speed reducer, be provided with the quad slit on the input connection end, power output shaft is including being used for the motor installation end of being connected with the motor and connecting the output connection end on the motor installation end, the output connection end sets up to the square axle with the quad slit complex, the square downthehole connection hookup cooperation that the output connection end can disect insertion input connection end. After adopting foretell structure, its overall structure reasonable in design has effectively reduced equipment failure rate, has improved the reliability of equipment operation, and stability has improved the life-span of equipment use, has guaranteed the normal efficient operation of equipment, has also greatly reduced maintainer's intensity of labour simultaneously, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to an output connection structure of reduction gear, specifically speaking are reduction gear axle head hookup transmission structure.
Background
When a tank body is fed in the production of domestic tank furnaces, the accurate positioning of a discharge port and a material receiving port is realized by mainly utilizing a belt conveyor and a discharging device through operation, and the material is fed into the tank body, wherein the discharging device mainly adopts a trolley type discharging device which is auxiliary equipment parasitized on main equipment, but is provided with an independent traveling system; the driving device of the trolley is repeatedly started and repeatedly rotates forwards and backwards under the working condition of main equipment due to the influence of the operation mode, operators and other factors in the operation process, so that the driving part of the trolley has higher failure rate and is mostly arranged on the cycloidal pin gear speed reducer, and the following problems exist.
1. Increase of maintenance cost: the repair of the motor and the cycloidal pin gear speed reducer increases the maintenance cost; 2. increase of maintenance amount: frequent damage and overhaul workload is increased, and the workload of maintainers is increased. 3. Safety risks for maintenance personnel: the trolley replacement driving device belongs to the technical field of semi-height operation, people must cooperate up and down, maintenance personnel still need to operate in a trolley frame in a semi-squatting mode during the dismantling process, the temperature of a furnace surface is high, and certain potential safety hazards exist.
Through statistical analysis of fault points of damage of the cycloidal-pin gear speed reducer, the 90% of faults are that structural matching between a motor shaft and an input shaft of the cycloidal-pin gear speed reducer is improper and slipping failure caused by abrasion is caused, and the abrasion points are key grooves and keys which are 100% deformed when the faults occur, namely, under the occasions that the forward and reverse rotation frequency is high and the torque is large, the structural matching structure between the motor shaft and the input shaft of the cycloidal-pin gear speed reducer and the adopted key transmission are obviously improper.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a reduction gear axle head hookup transmission structure that not only structural design is reasonable, power transmission reliability with stable high, bearing capacity is strong, but also can reduce equipment fault rate, reduce cost of overhaul and workman intensity of labour and prolong improve equipment life.
In order to solve the technical problem, the utility model discloses a reduction gear axle head hookup transmission structure, the power input shaft that sets up including reduction gear power input end and the power output shaft that the motor output end set up, the power input shaft is including being used for carrying out the reduction gear installation end of installing and connecting the input link on the reduction gear installation end with the speed reducer, be provided with the quad slit on the input link, power output shaft is including being used for the motor installation end of being connected with the motor and connecting the output link on the motor installation end, the output link sets up to the square shaft with quad slit complex, the square downthehole connection hookup cooperation that input link can disect insertion to the output link.
The input connecting end is provided with a round blind hole formed in the end face, a cylindrical block with a square hole in the center is arranged in the round blind hole, and the cylindrical block is fixed in the round blind hole in a welding mode.
And the cylindrical block is provided with a stepped hole positioned at the inner side end of the square hole.
The outer circumferential surface of the input connecting end is provided with a step surface, and the step surface is used for installing a bearing which is positioned and supported with the speed reducer.
The speed reducer mounting end is provided with a key groove and is mounted on the power input end of the speed reducer through a flat key.
The power input end of the speed reducer is internally provided with a transmission gear, and the mounting end of the speed reducer is connected with the transmission gear of the speed reducer through a flat key.
The speed reducer mounting end and the input connecting end are integrally formed, and the motor mounting end and the output connecting end are integrally formed.
After the structure is adopted, because the square hole arranged on the input connecting end of the power input shaft in the speed reducer and the square shaft output connecting end matched with the square hole arranged in the power output shaft in the motor are skillfully utilized, the intensity of bearing shearing stress and extrusion stress is improved, and the safety and the reliability are greatly improved, in addition, especially, the round blind hole arranged on the input connecting end and the cylindrical block with the square hole and the step hole arranged on the cylindrical block which are welded and fixed in the round blind hole are not only effectively improved, but also the processing precision of the square hole is effectively improved, the installation precision is ensured, and the step hole is skillfully designed to ensure the difference of the accurate processing technology, the air resistance problem in the installation process is effectively overcome, the installation reliability and the installation accuracy are further ensured, furthermore, the step-shaped structure arranged on the power input shaft in the speed reducer and the step surface arranged on the installation end of the speed reducer are skillfully designed, still improved greatly and the power output shaft of motor between the intensity of fit, and utilize the installation bearing on the step face, it is more convenient further to have improved the last dismouting of installation positioning accuracy, convenient and fast and safety when overhauing, its overall structure reasonable in design, effectively reduced equipment fault rate, the reliability of equipment operation has been improved, and is stable, the life-span of equipment use has been improved, the normal efficient operation of equipment has been guaranteed, maintenance personal's intensity of labour has also greatly been reduced simultaneously, production cost is reduced and be applicable to the occasion of the power take off of the great and frequent positive and negative start of load.
Drawings
FIG. 1 is a schematic view of an assembly structure of a shaft end connection transmission structure of a speed reducer according to the present invention;
fig. 2 is a schematic view of the structure of the output shaft of the motor in the present invention;
FIG. 3 is a schematic diagram of a side view of the power take-off shaft of the present invention;
fig. 4 is a schematic structural view of the power input shaft without the cylindrical block in the present invention;
fig. 5 is a schematic view of the center column block of the present invention.
Detailed Description
The shaft end coupling transmission structure of the speed reducer of the present invention will be described in further detail with reference to the accompanying drawings and the specific embodiments.
As shown in the figures, the shaft end connecting transmission structure of the speed reducer of the utility model comprises a power input shaft 1 arranged at the power input end of the speed reducer and a power output shaft 2 arranged at the output end of a motor, wherein the power input shaft 1 comprises a speed reducer mounting end 3 used for mounting with the speed reducer and an input connecting end 4 connected to the speed reducer mounting end, the diameter of the input connecting end 4 is larger than that of the speed reducer mounting end, a round blind hole 8 arranged from the end surface is arranged on the input connecting end 4, a cylindrical block 9 with a square hole 5 is arranged at the center of the arrangement in the round blind hole, a step hole 10 positioned at the inner side end of the square hole 5 is arranged on the cylindrical block 9, in the specific mounting process, the round blind hole 8 is firstly arranged on the end surface of the input connecting end 4, then the cylindrical block 9 is processed, the outer diameter of the cylindrical block 9 is equivalent to the, the square hole 5 is processed on the cylindrical block 9 on the basis of the stepped hole 10, finally, the cylindrical block 9 is assembled in the circular blind hole 8 of the input connecting end 4, then the cylindrical block is welded and fixed in the circular blind hole 8, through the structural design, all processing links are buckled with one another in a ring-to-ring mode, the precision after assembly is very high, in addition, air resistance generated in the installation process is overcome by the stepped hole 10 serving as a process hole ingeniously, the installation smoothness and the installation reliability are guaranteed, the power output shaft 2 comprises a motor installation end 6 used for being connected with a motor and an output connecting end 7 connected to the motor installation end, the output connecting end 7 is a square shaft matched with the square hole, and the output connecting end 7 can be directly inserted into the square hole of the input connecting end to be connected and matched.
Furthermore, the outer circumferential surface of the input connecting end 4 is provided with a step surface 11, the step surface 11 is used for mounting a bearing which is positioned and supported with the speed reducer, and therefore, the step surface is used for positioning and mounting, the strength of the integral structure is enhanced, and the positioning precision is effectively guaranteed, the speed reducer mounting end 3 is provided with a key groove 12, a transmission gear is arranged in the power input end of the speed reducer, the speed reducer mounting end 3 is connected with the transmission gear of the speed reducer through a flat key, in addition, the speed reducer mounting end 3 and the input connecting end 4 are integrally formed, and the motor mounting end 6 and the output connecting end 7 are integrally formed.
Through actual verification, square shaft transmission compares shear stress that receives and extrusion stress time more reliable safety relatively with the transmission of circle axle key, adopts the utility model discloses a reduction gear axle head hookup transmission structure, job stabilization has used nearly 18 months not to break down so far, compares before reforming transform, and the behaviour in service obviously obtains improving, has reduced staff's maintenance volume, has reduced cost of maintenance, has also guaranteed production simultaneously to less transformation input, has changed great potential interests.
Claims (7)
1. The utility model provides a reduction gear axle head hookup transmission structure, includes power input shaft (1) that reduction gear power input end set up and power output shaft (2) that the motor output set up, its characterized in that: the power input shaft (1) is including being used for carrying out reduction gear installation end (3) of installing and input link (4) of connection on the reduction gear installation end with the speed reducer, be provided with quad slit (5) on input link (4), power output shaft (2) are including being used for motor installation end (6) of being connected with the motor and connect output link (7) on the motor installation end, output link (7) set up to square shaft with quad slit complex, output link (7) can the direct insertion input the square downthehole connection hookup cooperation of input link.
2. The reducer shaft-end coupling transmission structure according to claim 1, wherein: the input connecting end (4) is provided with a round blind hole (8) formed in the end face, a cylindrical block (9) with a square hole (5) in the center is arranged in the round blind hole, and the cylindrical block is fixed in the round blind hole (8) in a welding mode.
3. The reducer shaft-end coupling transmission structure according to claim 2, wherein: the cylindrical block (9) is provided with a stepped hole (10) which is positioned at the inner side end of the square hole (5).
4. A reducer shaft-end coupling transmission structure according to claim 1, 2 or 3, characterized in that: the input connecting end (4) is provided with a step surface (11) on the outer circumferential surface, and the step surface (11) is used for installing a bearing which is positioned and supported with the speed reducer.
5. The reducer shaft-end coupling transmission structure according to claim 4, wherein: the speed reducer mounting end (3) is provided with a key groove (12), and the speed reducer mounting end (3) is mounted on the power input end of the speed reducer through a flat key.
6. The reducer shaft-end coupling transmission structure according to claim 5, wherein: the power input end of the speed reducer is internally provided with a transmission gear, and the speed reducer mounting end (3) is connected with the transmission gear of the speed reducer through a flat key.
7. The reducer shaft-end coupling transmission structure according to claim 6, wherein: the speed reducer mounting end (3) and the input connecting end (4) are integrally formed, and the motor mounting end (6) and the output connecting end (7) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921713638.4U CN211693438U (en) | 2019-10-14 | 2019-10-14 | Shaft end connection transmission structure of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921713638.4U CN211693438U (en) | 2019-10-14 | 2019-10-14 | Shaft end connection transmission structure of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211693438U true CN211693438U (en) | 2020-10-16 |
Family
ID=72785115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921713638.4U Active CN211693438U (en) | 2019-10-14 | 2019-10-14 | Shaft end connection transmission structure of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211693438U (en) |
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2019
- 2019-10-14 CN CN201921713638.4U patent/CN211693438U/en active Active
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