CN208948731U - A kind of transmission device for lifting mechanism - Google Patents
A kind of transmission device for lifting mechanism Download PDFInfo
- Publication number
- CN208948731U CN208948731U CN201821576256.7U CN201821576256U CN208948731U CN 208948731 U CN208948731 U CN 208948731U CN 201821576256 U CN201821576256 U CN 201821576256U CN 208948731 U CN208948731 U CN 208948731U
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- axle body
- driving motor
- transmission device
- pivot center
- support shaft
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Abstract
The utility model relates to crane technical fields, in particular disclose a kind of transmission device for lifting mechanism, support shaft including driving motor, retarder and rotation setting, retarder includes cabinet, it is rotatably dispose in the intracorporal the first axle body of case and the second axle body, it is installed in the first axle body, the second axle body and the ratio wheel group being fitted to each other, the output shaft of driving motor respectively to connect with the first axle body, the second axle body is via the reel for supporting the axis connection external world；Driving motor is directly installed on cabinet, so that the pivot center of the output shaft of driving motor and the pivot center of the first axle body are collinearly arranged；The second axle body of retarder is connect via support shaft with reel, so that the pivot center of the second axle body and the pivot center of support shaft are collinearly arranged, it avoids influencing the connection reliability between drive shaft system between the output shaft of driving motor and the first axle body, between the second axle body and reel because of coaxiality deviation, promotes the transmission efficiency for passing function device.
Description
Technical field
The utility model relates to crane technical fields, in particular disclose a kind of transmission device for lifting mechanism.
Background technique
10 tons of overhead and gantry cranes or more of lifting mechanism is generally hoist type lifting mechanism, hoist type raising at present
Mechanism is provided with the transmission device for driving extraneous spool turns, and transmission device mainly includes speed reducer and for driving
The motor of speed reducer rotation, motor and speed reducer is separately mounted on extraneous frame body, since frame body can exist in use process
Vibration especially payes attention to the compensation of transmission connection when designing the transmission connection between motor output shaft and the axis body of speed reducer
Property design, generally need to using with compensation performance shaft coupling and matching the methods of relative configurations (such as floating axle), from axial direction, diameter
It is attached deviation compensation to deflection angle direction, but the compensatory design being sequentially connected will cause coaxiality deviation, into
And the connection reliability between drive shaft system is influenced, while compensatory design can also reduce transmission efficiency.
Utility model content
In order to overcome shortcoming and defect existing in the prior art, the purpose of this utility model is to provide one kind to be used for
The transmission device for rising mechanism, so that the pivot center of the output shaft of driving motor and the pivot center of the first axle body are collinearly arranged；
So that the pivot center of the second axle body and the pivot center of support shaft are collinearly arranged, the output shaft and first axle of driving motor are avoided
The connection reliability between drive shaft system is influenced between body, between the second axle body and reel because of coaxiality deviation, is promoted and passes function
The transmission efficiency of device.
To achieve the above object, a kind of transmission device for lifting mechanism of the utility model, including driving motor, subtract
Fast device and the support shaft of rotation setting, retarder includes cabinet, is rotatably dispose in the intracorporal the first axle body of case and the second axle body, point
It is not installed in the first axle body, the second axle body and the ratio wheel group being fitted to each other, driving motor to be installed on the outside of cabinet, drives
The output shaft of motor is connect with the first axle body, and the pivot center of the output shaft of driving motor and the pivot center of the first axle body are conllinear
One end of setting, the second axle body and support shaft connects, and the other end of support shaft is used to connect extraneous reel, and the second axle body turns
The pivot center of shaft line and support shaft is collinearly arranged.
Preferably, the transmission device further includes box coupling, one end of box coupling and the output of driving motor
The other end of axis connection, box coupling is connect with the first axle body.
Preferably, the ratio wheel group includes the gear ring for being set to the first axle body, and gear ring and the first axle body are integral type structure
It makes, the first axle body is equipped with external splines portion close to one end of driving motor, and one end of box coupling is equipped with for engaging external splines
The internal spline circle in portion, the first keyway that the other end of box coupling is equipped with the first appearance hole and is connected to the first appearance hole, driving electricity
The output shaft of machine protrudes into the first appearance hole, and the output shaft of driving motor is installed with the first key for protruding into the first keyway
Body.
Preferably, the first axle body stretches out cabinet far from one end of driving motor, and the first axle body is far from driving motor
One end be installed with brake, brake is located at outside cabinet.
Preferably, the second keyway that the second axle body is equipped with the second appearance hole and is connected to the second appearance hole, support shaft installing
There is the second key body, one end of support shaft is located in the second appearance hole, and the second key body protrudes into the second keyway.
Preferably, described second holds hole and the second keyway along the axial direction of the second axle body through the second axle body.
The utility model has the beneficial effects that driving motor is directly installed on cabinet, so that the output shaft of driving motor
Pivot center and the pivot center of the first axle body be collinearly arranged；The second axle body of retarder is connected via support shaft and reel
It connects, so that the pivot center of the second axle body and the pivot center of support shaft are collinearly arranged, avoids the output shaft and of driving motor
The connection reliability between drive shaft system is influenced between one axis body, between the second axle body and reel because of coaxiality deviation, is promoted
Pass the transmission efficiency of function device.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the decomposition texture schematic diagram of the utility model；
Fig. 3 is the first axle body of the utility model and the structural schematic diagram of box coupling；
Fig. 4 is the schematic perspective view of the second axle body of the utility model.
Appended drawing reference includes:
1-retarder 2-driving motor, 3-support shaft
4-cabinet 5-the first axle body, 6-the second axle bodies
7-box coupling 8-gear ring, 9-external splines portions
11-internal spline circles 12-the first hold the 13-the first keyway of hole
14-brakes 15-the second hold the 16-the second keyway of hole.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made below with reference to examples and drawings further
Explanation, the content that embodiment refers to not is restriction to the utility model.
Shown in please referring to Fig.1 to Fig.3, a kind of transmission device for lifting mechanism of the utility model, including driving electricity
The support shaft 3 of machine 2, retarder 1 and rotation setting, retarder 1 include cabinet 4, the first axle body 5 being rotatably arranged in cabinet 4
And the second axle body 6, it is respectively installed on the first axle body 5, on the second axle body 6 and the ratio wheel group that is fitted to each other, in actual use,
Cabinet 4 is mounted in extraneous rack, and support shaft 3 is rotatably arranged in extraneous rack, the first axle body 5 and the second axle body 6 that
It this interval and is arranged in parallel, certainly, according to actual needs, third axis can be also set between the first axle body 5 and the second axle body 6
Body, the 4th axis body etc., in this way, ratio wheel group can carry out multi-stage speed-reducing to the revolving speed that driving motor 2 exports, to increase deceleration
The output torque of device 1, driving motor 2 are installed on the lateral wall of cabinet 4, and the output shaft and the first axle body 5 of driving motor 2 connect
It connects, the pivot center of the output shaft of driving motor 2 is collinearly arranged with the pivot center of the first axle body 5, the second axle body 6 and support shaft
3 one end connection, the other end of support shaft 3 are used to connect extraneous reel, pivot center and the support shaft 3 of the second axle body 6
Pivot center is collinearly arranged, and driving motor 2 drives support shaft 3 to rotate via retarder 1, and support shaft 3 can related volume when rotating
The release or winding to extraneous halliard body can be realized in cylinder rotation, the reel of rotation.
Driving motor 2 is directly installed on the outside of cabinet 4 so that the pivot center of the output shaft of driving motor 2 with
The pivot center of the first axle body 5 is collinearly arranged；The second axle body 6 of retarder 1 is connect via support shaft 3 with reel, so that the
The pivot center of two axis bodies 6 is collinearly arranged with the pivot center of support shaft 3, avoids the output shaft and the first axle body 5 of driving motor 2
Between, connection reliability between drive shaft system is influenced between the second axle body 6 and reel because of coaxiality deviation, promoted and pass function dress
The transmission efficiency set.
The transmission device further includes box coupling 7, the generally hollow cylindrical body of box coupling 7, sleeve shaft coupling
One end of device 7 and the output axis connection of driving motor 2, the other end of box coupling 7 are connect with the first axle body 5.Sleeve shaft coupling
Be between device 7 and one end of the first axle body 5, between 9 connector of axle sleeve and the output shaft of driving motor 2 rigid connection (such as
Key connection etc.), middle motor utilizes the shaft coupling with compensation performance to connect with retarder 1 compared to the prior art, makes retarder 1
The first axle body 5 and driving motor 2 output shaft between operation it is more reliable and more stable, while lifting gear transmission effect
Rate.
The ratio wheel group includes the gear ring 8 being arranged on the first axle body 5, and gear ring 8 and the first axle body 5 are integral type structure
It makes, the first axle body 5 is equipped with external splines portion 9 close to one end of driving motor 2, and one end of box coupling 7 is equipped with outer for engaging
The internal spline circle 11 of spline part 9, the other end of box coupling 7 be equipped with the first appearance hole 12 and be connected to the first appearance hole 12 first
The centerline axis parallel in keyway 13, the first keyway 13 and the first appearance hole 12 is arranged, and the output shaft of driving motor 2 protrudes into the first appearance
In hole 12, the output shaft of driving motor 2 is installed with the first key body (not shown) for protruding into the first keyway 13.
The first axle body 5 stretches out cabinet 4 far from one end of driving motor 2, and the first axle body 5 is far from driving motor 2
One end is installed with brake 14, and brake 14 is located at outside cabinet 4；After driving motor 2 stalls, extraneous braking mechanism is clasped
The first axle body 5 is lived using the frictional force brakes between braking mechanism and the outer surface of brake 14 in firmly brake 14, prevents because of
One axis body, 5 secondary rotation (forward or reverse) and the safety accident for causing reel secondary rotation to be caused.
Shown in please referring to Fig.1 to Fig.4, it is provided with the second appearance hole 15 on the second axle body 6 and is connected to the second appearance hole 15
The second keyway 16, second appearance hole 15 central axis be arranged in parallel with the second keyway 16, the second key body is installed in support shaft 3
(not shown), one end of support shaft 3 is installed with to hold in hole 15 second, and the second key body protrudes into the second keyway 16.I.e.
Two axis bodies 6 and support shaft 3 via key connection, compared between the second axle body 6 and support shaft 3 via the shaft coupling with compensation performance
Device connection, both avoids influencing the connection reliability between drive shaft system because of coaxiality deviation, at the same promoted the second axle body 6 with
Transmission efficiency between support shaft 3.
Described second, which holds hole 15 and the second keyway 16, runs through the second axle body 6 along the axial direction of the second axle body 6, so that the
The Mass Distribution of two axis bodies 6 in axial direction is roughly the same, when the second axle body 6 rotates, it is ensured that the rotary inertia of the second axle body 6
It substantially reduces, it is ensured that the stationarity that the second axle body 6 rotates, and then the running stability of the entire transmission device of service hoisting.
The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as
Limitations of the present invention.
Claims (6)
1. a kind of transmission device for lifting mechanism, it is characterised in that: the branch including driving motor, retarder and rotation setting
Support axis, retarder includes cabinet, is rotatably dispose in the intracorporal the first axle body of case and the second axle body, be installed in respectively the first axle body,
The second axle body and ratio wheel group being fitted to each other, driving motor are installed on the outside of cabinet, the output shaft of driving motor and
The connection of one axis body, the pivot center of the output shaft of driving motor and the pivot center of the first axle body be collinearly arranged, the second axle body with
One end of support shaft connects, and the other end of support shaft is used to connect extraneous reel, the pivot center and support shaft of the second axle body
Pivot center be collinearly arranged.
2. the transmission device according to claim 1 for lifting mechanism, it is characterised in that: the transmission device further includes
Box coupling, one end of box coupling and the output axis connection of driving motor, the other end and first axle of box coupling
Body connection.
3. the transmission device according to claim 2 for lifting mechanism, it is characterised in that: the ratio wheel group includes setting
The gear ring of the first axle body, gear ring and the first axle body are placed in as integral type construction, the first axle body is equipped with close to one end of driving motor
External splines portion, one end of box coupling are equipped with the internal spline circle for engaging external splines portion, and the other end of box coupling is set
The first keyway for having the first appearance hole and being connected to the first appearance hole, the output shaft of driving motor protrude into the first appearance hole, driving electricity
The output shaft of machine is installed with the first key body for protruding into the first keyway.
4. the transmission device according to claim 1 for lifting mechanism, it is characterised in that: the first axle body is far from drive
One end of dynamic motor stretches out cabinet, and the first axle body is installed with brake far from one end of driving motor, and brake is located at cabinet
Outside.
5. the transmission device according to claim 1 for lifting mechanism, it is characterised in that: the second axle body is equipped with the
Two appearance holes and the second keyway being connected to the second appearance hole, support shaft are installed with the second key body, and one end of support shaft is located in second
Hold in hole, the second key body protrudes into the second keyway.
6. the transmission device according to claim 5 for lifting mechanism, it is characterised in that: described second holds hole and second
Keyway runs through the second axle body along the axial direction of the second axle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821576256.7U CN208948731U (en) | 2018-09-26 | 2018-09-26 | A kind of transmission device for lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821576256.7U CN208948731U (en) | 2018-09-26 | 2018-09-26 | A kind of transmission device for lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208948731U true CN208948731U (en) | 2019-06-07 |
Family
ID=66739482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821576256.7U Active CN208948731U (en) | 2018-09-26 | 2018-09-26 | A kind of transmission device for lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208948731U (en) |
-
2018
- 2018-09-26 CN CN201821576256.7U patent/CN208948731U/en active Active
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