CN203674881U - Double-brake driver - Google Patents
Double-brake driver Download PDFInfo
- Publication number
- CN203674881U CN203674881U CN201420004151.XU CN201420004151U CN203674881U CN 203674881 U CN203674881 U CN 203674881U CN 201420004151 U CN201420004151 U CN 201420004151U CN 203674881 U CN203674881 U CN 203674881U
- Authority
- CN
- China
- Prior art keywords
- brake
- variable
- shaft
- speed
- brake disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a double-brake driver. The driver comprises an engine body, a speed change device, a motor and a brake apparatus. The speed change device, the motor and the brake apparatus are arranged in the engine body. The driver is characterized in that the speed change device comprises a first variable shaft, a second variable shaft and an output shaft; three axes of the first variable shaft, the second variable shaft and the output shaft are parallel to each other; three surfaces formed by the three axes are intersected successively and form a cylindrical object whose cross section is a triangle so that a distance between an output shaft axis and a motor main shaft axis is minimized; a cross section of a whole machine along an axial direction of a main shaft is small so that the structure of the whole machine is compact. A double brake mode is used so that a brake effect is improved and whole machine performance is increased.
Description
Technical field
The utility model relates to a kind of two brake actuators.
Background technology
The supporting drive units of hoisting machinery such as the electric single-beam of existing hoisting machinery industry, gourd double-beam, small portal crane, semi-goliath crane all comprise bridge motor, decelerator, but bridge motor and decelerator are split-type structurals, by different enterprise produce the supply of material, secondary is assembled again; Existing bridge motor and rise and reuse that its version of decelerator is varied, serviceability respectively has quality, owing to being split-type structural, certain structures repeats, causes that volume is large, Heavy Weight, consumptive material are high.Not only need to consider gearratio, also need to consider the entirety size of decelerator and motor, and bearing capacity, and the distance of output shaft and electric machine main shaft etc.
On the other hand, brake apparatus is indispensable key component on bridge motor, the quality of braking directly has influence on the performance of whole motor, general bridge motor is all that the cooperation of single brake disc and single brake strip completes braking procedure, but in the time of motor long-play, the braking effect of such combination is not fine, has directly had influence on the performance of whole motor.
Utility model content
The purpose of this utility model is to provide a kind of two brake actuators, solves the above-mentioned problems in the prior art.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of two brake actuators, comprise body, speed change gear, motor and brake apparatus, described speed change gear, motor and brake apparatus are all arranged in described body, described speed change gear comprises the first variable-speed shaft, the second variable-speed shaft and output shaft, described the first variable-speed shaft, three axis of the second variable-speed shaft and output shaft are parallel to each other, described the first variable-speed shaft, 3 faces that three axis of the second variable-speed shaft and output shaft form intersect successively, and to form a cross section be leg-of-mutton column, described the first variable-speed shaft is connected by gear with the output of the main shaft of described motor, described the first variable-speed shaft is connected by gear with described the second variable-speed shaft, described the second variable-speed shaft is connected by gear with one end of described output shaft, the other end of described output shaft reaches outside described body, described brake apparatus is arranged on described main shaft.
Further, described speed change gear is positioned at described motor one side, and described brake apparatus is positioned at described motor opposite side.
Further, described brake apparatus comprises tripping spring, sucker, drive sleeve, brake disc and brake strip, described tripping spring, sucker, drive sleeve is connected successively with brake disc, and be all arranged on described electric machine main shaft, described brake disc comprises the first brake disc setting gradually, the second brake disc and the 3rd brake disc, described brake strip comprises and sets gradually the first brake(-holder) block and the second brake(-holder) block, described brake strip is arranged in described body, described the first brake(-holder) block is between described the first brake disc and the second brake disc, described the second brake(-holder) block is between described the second brake disc and the 3rd brake disc.
Further, also comprise the fan being arranged on described electric machine main shaft, described fan is arranged on the side of described brake apparatus near described engine body exterior.
Further, described the first variable-speed shaft, the second variable-speed shaft, output shaft and main shaft are all arranged in described body by deep groove ball bearing.
The beneficial effects of the utility model are: the utility model provides a kind of pair of brake actuators, realize gear by the first variable-speed shaft, the second variable-speed shaft and output shaft, article three, axis is parallel to each other, article three, 3 faces that axis forms intersect successively, and to form a cross section be leg-of-mutton column, the distance minimization that makes output shaft axis and electric machine main shaft axis, complete machine is less along the cross section of main shaft axial direction, makes compact integral structure; Adopt two modes of braking, improved braking effect, improved overall performance.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of pair of brake actuators of the utility model.
In accompanying drawing, the list of parts of each label representative is as follows:
1, the first variable-speed shaft, 2, the second variable-speed shaft, 3, output shaft, 4, main shaft, 5, tripping spring, 6, sucker, 7, the first brake disc, 8, the first brake(-holder) block, 9, the second brake disc, 10, the second brake(-holder) block, 11, the 3rd brake disc, 12, fan, 13, drive sleeve, 14, motor, 15, body.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of two brake actuators, comprise body 15, speed change gear, motor 14 and brake apparatus, described speed change gear, motor 15 and brake apparatus are all arranged in described body 14, described speed change gear comprises the first variable-speed shaft 1, the second variable-speed shaft 2 and output shaft 3, described the first variable-speed shaft 1, three axis of the second variable-speed shaft 2 and output shaft 3 are parallel to each other, described the first variable-speed shaft 1, 3 faces that three axis of the second variable-speed shaft 2 and output shaft 3 form intersect successively, and to form a cross section be leg-of-mutton column, make the distance minimization of output shaft 3 axis and electric machine main shaft 4 axis, complete machine is less along the cross section of main shaft axial direction, make compact integral structure, described the first variable-speed shaft 1 is connected by gear with the output of the main shaft 4 of described motor 14, described the first variable-speed shaft 1 is connected by gear with described the second variable-speed shaft 2, described the second variable-speed shaft 2 is connected by gear with one end of described output shaft 3, the other end of described output shaft 3 reaches outside described body 15, and described brake apparatus is arranged on described main shaft 4.Described speed change gear is positioned at described motor 15 1 sides, and described brake apparatus is positioned at described motor 15 opposite sides.
Described brake apparatus comprises tripping spring 5, sucker 6, drive sleeve 13, brake disc and brake strip, described tripping spring 5, sucker 6, drive sleeve 13 is connected successively with brake disc, and be all arranged on described electric machine main shaft 4, described brake disc comprises the first brake disc 7 setting gradually, the second brake disc 9 and the 3rd brake disc 11, described brake strip comprises and sets gradually the first brake(-holder) block 8 and the second brake(-holder) block 10, described brake strip is arranged in described body 15, described the first brake(-holder) block 8 is between described the first brake disc 7 and the second brake disc 9, described the second brake(-holder) block 10 is between described the second brake disc 9 and the 3rd brake disc 11, because making the first brake disc 7 and the second brake disc 9, the effect of tripping spring 5 is close to respectively the first brake(-holder) block 8 and the second brake(-holder) block 10.In the time that motor 14 is switched on, brake disc is subject to axial tension, and the first brake disc 7 is separated with the second brake(-holder) block 10 with the first brake(-holder) block 8 respectively with the second brake disc 9; In the time of deenergization, axial tension disappears, and is close to respectively the first brake(-holder) block 8 and the second brake(-holder) block 10 because the effect of tripping spring 5 makes the first brake disc 7 and the second brake disc 9, makes complete machine in on-position, reaches the effect of power-off brake.
Also comprise the fan 12 being arranged on described electric machine main shaft 4, described fan 12 is arranged on the side of described brake apparatus near described body 15 outsides.Described the first variable-speed shaft 1, the second variable-speed shaft 2, output shaft 3 and main shaft 4 are all arranged in described body 15 by deep groove ball bearing.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. a two brake actuators, comprise body, speed change gear, motor and brake apparatus, described speed change gear, motor and brake apparatus are all arranged in described body, it is characterized in that, described speed change gear comprises the first variable-speed shaft, the second variable-speed shaft and output shaft, described the first variable-speed shaft, three axis of the second variable-speed shaft and output shaft are parallel to each other, described the first variable-speed shaft, 3 faces that three axis of the second variable-speed shaft and output shaft form intersect successively, and to form a cross section be leg-of-mutton column, described the first variable-speed shaft is connected by gear with the output of the main shaft of described motor, described the first variable-speed shaft is connected by gear with described the second variable-speed shaft, described the second variable-speed shaft is connected by gear with one end of described output shaft, the other end of described output shaft reaches outside described body, described brake apparatus is arranged on described main shaft.
2. the two brake actuators of one according to claim 1, is characterized in that, described speed change gear is positioned at described motor one side, and described brake apparatus is positioned at described motor opposite side.
3. the two brake actuators of one according to claim 2, it is characterized in that, described brake apparatus comprises tripping spring, sucker, drive sleeve, brake disc and brake strip, described tripping spring, sucker, drive sleeve is connected successively with brake disc, and be all arranged on described electric machine main shaft, described brake disc comprises the first brake disc setting gradually, the second brake disc and the 3rd brake disc, described brake strip comprises and sets gradually the first brake(-holder) block and the second brake(-holder) block, described brake strip is arranged in described body, described the first brake(-holder) block is between described the first brake disc and the second brake disc, described the second brake(-holder) block is between described the second brake disc and the 3rd brake disc.
4. the two brake actuators of one according to claim 1, is characterized in that, also comprise the fan being arranged on described electric machine main shaft, described fan is arranged on the side of described brake apparatus near described engine body exterior.
5. according to the two brake actuators of the arbitrary described one of claim 1 to 4, it is characterized in that, described the first variable-speed shaft, the second variable-speed shaft, output shaft and main shaft are all arranged in described body by deep groove ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004151.XU CN203674881U (en) | 2014-01-02 | 2014-01-02 | Double-brake driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004151.XU CN203674881U (en) | 2014-01-02 | 2014-01-02 | Double-brake driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203674881U true CN203674881U (en) | 2014-06-25 |
Family
ID=50971132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420004151.XU Expired - Fee Related CN203674881U (en) | 2014-01-02 | 2014-01-02 | Double-brake driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203674881U (en) |
-
2014
- 2014-01-02 CN CN201420004151.XU patent/CN203674881U/en not_active Expired - Fee Related
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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: 20140625 Termination date: 20160102 |
|
| EXPY | Termination of patent right or utility model |