CN203510052U - Large-torque two-stage mechanical variable-speed electric wrench - Google Patents
Large-torque two-stage mechanical variable-speed electric wrench Download PDFInfo
- Publication number
- CN203510052U CN203510052U CN201320565041.6U CN201320565041U CN203510052U CN 203510052 U CN203510052 U CN 203510052U CN 201320565041 U CN201320565041 U CN 201320565041U CN 203510052 U CN203510052 U CN 203510052U
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Abstract
The utility model particularly relates to a large-torque two-stage mechanical variable-speed electric wrench. The large-torque two-stage mechanical variable-speed electric wrench is characterized by comprising a motor, a speed-shifting section, a planetary speed reducer and an output wrench, wherein an output shaft of the motor is connected with the input end of the speed-shifting section, the output end of the speed-shifting section is connected with the input end of the planetary speed reducer, and the output end of the planetary speed reducer is connected with the input end of the output wrench. A first gear shaft and a second gear shaft are arranged inside the speed-shifting section, a steering wheel is arranged on the first gear shaft, two sides of the steering wheel are respectively provided with an input gear and an output gear, and one side of the steering wheel is provided with a shifting piece. A first speed changing gear and a second speed changing gear are arranged on the second gear shaft, the front end of the second gear shaft is connected with the input end of the planetary speed reducer, and the output gear on the first gear shaft is respectively meshed with the first speed changing gear and the second speed changing gear. The large-torque two-stage mechanical variable-speed electric wrench has the advantages of being high in working efficiency, small in size, compact in structure, light in weight, large in speed reducing ratio and large in output torque and facilitating speed regulation.
Description
Technical field
The utility model belongs to electric wrench field, is specifically related to a kind of high pulling torque two-stage mechanical speed change electric wrench that adapts to the planet speed change mechanism of different rotating speeds, different moments of torsion.
Background technology
Existing electric wrench mostly adopts common alternating current generator to be directly with wrench to rotate.The shortcoming of this spanner is that output torque is less, contrast of regulating speed is difficult.Due to motor self, when needs output is during compared with high pulling torque, motor needs that volume is very large just can be accomplished, when needs speed governing, needs additionally additional converter plant again.
Utility model content
It is little that the purpose of this utility model is to solve prior art electric wrench output torque, and speed governing difficulty, the defect that volume is large, weight is large, provide a kind of volume little, lightweight, the high pulling torque two-stage mechanical speed change electric wrench that output torque is large.
The utility model is achieved by the following technical solution:
It is a kind of high pulling torque two-stage mechanical speed change electric wrench, it is characterized in that comprising motor, throw-over section, planetary reducer and output spanner, the output shaft of described motor is connected with the input of throw-over section, the output of throw-over section is connected with the input of planetary reducer, the output of planetary reducer section is connected with the input of output spanner, described throw-over intersegmental part is provided with the first gear shaft and the second gear shaft, described the first gear shaft is provided with commutation board, the both sides of commutation board are respectively equipped with input gear and the output gear being arranged on the first gear shaft, one side of commutation board is provided with plectrum, described the second gear shaft is provided with first stud gear, second stud gear, the front end of the second gear shaft is connected with the input of planetary reducer section, output gear on the first gear shaft respectively with first stud gear, second stud gear engagement.
As a preferred version of the present utility model: when output gear and first stud gear engagement, speed ratio is 1:1, and when output gear meshes with second stud gear, speed ratio is 1:2.
As a preferred version of the present utility model: the speed ratio of planetary reducer is 1000:1.
The input of output spanner of the present utility model adopts involute spline to connect with the output of planetary reducer, to realize, coordinates between the two closely, and multiple tooth joint transmission, increases the intensity connecting simultaneously.
Input gear, commutation board, output gear on the utility model the first gear shaft are combined into double crosslinking sliding gear group, under the effect of plectrum, can reciprocatingly slide along the first gear shaft, under the effect of plectrum, output gear meshes with first stud gear, second stud gear respectively, has realized mechanical speed change.
The utlity model has that operating efficiency is high, volume is little, compact conformation, the advantage that lightweight, speed governing convenient, speed reducing ratio is large, output torque is large.The utility model is compared with the common electric spanner of identical performance, and volume and weight can reduce 30%, and efficiency can improve 20%, and the utility model is used the planetary reducer of two different speed reducing ratio, and speed governing is convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model throw-over section.
As shown in FIG.: 1 motor; 2 throw-over sections; 3 planetary reducers; 4 output spanners; 5 first gear shafts; 5-1 output gear; 5-2 commutation board; 5-3 input gear; 5-4 plectrum; 6 second gear shafts; 6-1 first stud gear; 6-2 second stud gear.
The specific embodiment
As shown in Figure 1: the output shaft of motor 1 is connected with the input of throw-over section 2, the output of throw-over section 2 is connected with the input of planetary reducer 3, and the output of planetary reducer 3 is connected by involute spline with output spanner 4.
As shown in Figure 2: described throw-over section 2 inside are provided with the first gear shaft 5 and the second gear shaft 6, described the first gear shaft 5 is provided with commutation board 5-2, the both sides of commutation board are respectively equipped with input gear 5-3 and the output gear 5-1 being arranged on the first gear shaft, a side of commutation board 5-2 is provided with plectrum 5-4, described input gear 5-3, commutation board 5-2, output gear 5-1 is combined into double crosslinking sliding gear group, under the effect of plectrum, double crosslinking sliding gear group can reciprocatingly slide along the first gear shaft 5, described the second gear shaft 6 is provided with first stud gear 6-1, second stud gear 6-2, the front end of the second gear shaft 6 is connected with the input of planetary reducer section 3, output gear 5-1 on the first gear shaft 5 respectively with first stud gear 6-1, second stud gear 6-2 engagement, when output gear 5-1 and first stud gear 6-1 engagement, speed ratio is 1:1, when output gear 5-1 and second stud gear 6-2 engagement, speed ratio is 1:2.
Double crosslinking sliding gear group on the utility model the first gear shaft 5, under the effect of plectrum 5-4, can reciprocatingly slide along the first gear shaft 5, under the effect of plectrum 5-4, output gear 5-1 meshes with first stud gear 6-1, second stud gear 6-2 respectively, realized mechanical speed change, planetary reducer speed ratio of the present utility model is 1000:1, under the effect of throw-over section, can realize the deceleration of 1000:1 and 2000:1.
Claims (3)
1. a high pulling torque two-stage mechanical speed change electric wrench, it is characterized in that comprising motor, throw-over section, planetary reducer and output spanner, the output shaft of described motor is connected with the input of throw-over section, the output of throw-over section is connected with the input of planetary reducer, the output of planetary reducer section is connected with the input of output spanner, described throw-over intersegmental part is provided with the first gear shaft and the second gear shaft, described the first gear shaft is provided with commutation board, the both sides of commutation board are respectively equipped with input gear and the output gear being arranged on the first gear shaft, one side of commutation board is provided with plectrum, described the second gear shaft is provided with first stud gear, second stud gear, the front end of the second gear shaft is connected with the input of planetary reducer section, output gear on the first gear shaft respectively with first stud gear, second stud gear engagement.
2. high pulling torque two-stage mechanical speed change electric wrench according to claim 1, while it is characterized in that output gear and first stud gear engagement, speed ratio is 1:1, when output gear meshes with second stud gear, speed ratio is 1:2.
3. high pulling torque two-stage mechanical speed change electric wrench according to claim 1, the speed ratio that it is characterized in that planetary reducer is 1000:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565041.6U CN203510052U (en) | 2013-09-12 | 2013-09-12 | Large-torque two-stage mechanical variable-speed electric wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565041.6U CN203510052U (en) | 2013-09-12 | 2013-09-12 | Large-torque two-stage mechanical variable-speed electric wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203510052U true CN203510052U (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320565041.6U Expired - Fee Related CN203510052U (en) | 2013-09-12 | 2013-09-12 | Large-torque two-stage mechanical variable-speed electric wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203510052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826656A (en) * | 2016-12-30 | 2017-06-13 | 东莞产权交易中心 | A kind of electric screw driver |
-
2013
- 2013-09-12 CN CN201320565041.6U patent/CN203510052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106826656A (en) * | 2016-12-30 | 2017-06-13 | 东莞产权交易中心 | A kind of electric screw driver |
| CN106826656B (en) * | 2016-12-30 | 2018-09-14 | 东莞产权交易中心 | A kind of electric screw driver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20140912 |
|
| EXPY | Termination of patent right or utility model |