CN212893453U - Frequency conversion dual drive electric rotary lifting hook - Google Patents
Frequency conversion dual drive electric rotary lifting hook Download PDFInfo
- Publication number
- CN212893453U CN212893453U CN202020812748.2U CN202020812748U CN212893453U CN 212893453 U CN212893453 U CN 212893453U CN 202020812748 U CN202020812748 U CN 202020812748U CN 212893453 U CN212893453 U CN 212893453U
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- China
- Prior art keywords
- lifting hook
- slewing bearing
- electric rotary
- lifting
- drive
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Abstract
The utility model discloses a frequency conversion dual-drive electric rotary lifting hook, which comprises a lifting hook beam, wherein the middle part of the lifting hook beam is provided with a slewing bearing, two sides of the slewing bearing are provided with three-in-one speed reducers, and output shafts of the three-in-one speed reducers are rotationally connected with driving pinions which rotate positively and negatively; the up end both sides fixedly connected with of lifting hook roof beam plays to rise the assembly pulley, slewing bearing's lower terminal surface fixedly connected with cross connector, the lower extreme swing joint of cross connector has the lifting hook, the electric rotary lifting hook adopts bi-motor drive slewing bearing, the atress is more even, the life of improvement motor and speed reducer, adopt inverter motor to drive trinity speed reducer simultaneously, control through the converter, motor drive's speed can be adjusted, thereby control the rotation rate of whole lifting hook, the slewing bearing is furnished with the cross connector down and can be that the lifting hook has the swing of four directions, improve equipment's suitability.
Description
Technical Field
The utility model relates to a rotatory lifting hook technical field, in particular to electronic rotatory lifting hook of frequency conversion dual drive.
Background
A rotary hook is connected with other rigging accessories for use, and can be used for changing the hoisting angle and rotating freely. However, the conventional hook needs to be manually rotated when being rotated.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to: the problem of current lifting hook need the manual work to rotate when rotatory is solved.
The technical purpose is realized through the following technical scheme that the variable-frequency dual-drive electric rotary lifting hook comprises a lifting hook beam, wherein a slewing bearing is installed in the middle of the lifting hook beam, three-in-one speed reducers are installed on two sides of the slewing bearing, and output shafts of the three-in-one speed reducers are rotationally connected with driving pinions which rotate positively and negatively;
lifting pulley blocks are fixedly connected to two sides of the upper end face of the lifting hook beam, a cross connector is fixedly connected to the lower end face of the slewing bearing, and a lifting hook is movably connected to the lower end of the cross connector.
Furthermore, the lifting pulley block is connected with a steel wire rope of the portal crane.
Further, the drive pinion of trinity speed reducer is just reversing, the rotation of drive pinion drives the piece slewing bearing rotatory.
Furthermore, a cable storage frame is arranged above the slewing bearing and between the lifting pulley blocks.
Furthermore, the power supply of the gantry crane is that the cable that hangs down supplies power to the motor of the three-in-one speed reducer in the electric rotating lifting hook through the cable storage frame of the rotating lifting hook.
Furthermore, the lifting pulley block comprises pulleys, and sliding grooves used for being connected through steel wire ropes are formed in the middle of the pulleys.
To sum up the utility model discloses following technological effect has:
the electric rotary lifting hook adopts the double-motor drive slewing bearing, and the atress is more even, improves the life of motor and speed reducer, adopts inverter motor to drive trinity speed reducer simultaneously, through the control of converter, can adjust motor drive's speed to control the rotation rate of whole lifting hook, be furnished with the cross connector under the slewing bearing and can be that the lifting hook has the swing of four directions, improve equipment's suitability.
Drawings
Fig. 1 is a schematic structural view of a variable-frequency dual-drive electric rotating hook according to an embodiment;
FIG. 2 is a schematic structural view of a driving pinion connected to a three-in-one reducer and a cable storage frame according to an embodiment;
FIG. 3 is a schematic structural view of a lifting pulley block according to an embodiment;
reference numerals: 1. a hook beam; 2. a lifting pulley block; 21. a pulley; 22. a chute; 3. a slewing bearing; 4. a cross connector; 5. a hook; 6. a three-in-one speed reducer; 7. a drive pinion; 8. store up the cable frame.
Detailed Description
In the first embodiment, the first step is,
as shown in fig. 1 and 3, the variable-frequency dual-drive electric rotating hook comprises a hook beam 1, wherein a slewing bearing 3 is installed in the middle of the hook beam 1, three-in-one speed reducers 6 are installed on two sides of the slewing bearing 3, and output shafts of the three-in-one speed reducers 6 are rotatably connected with driving pinions 7 which rotate positively and negatively;
Through the technical scheme, the electric rotary lifting hook adopts double-motor drive slewing bearing, and the atress is more even, improves the life of motor and speed reducer, adopts inverter motor to drive trinity speed reducer 6 simultaneously, through the control of converter, can adjust motor drive's speed to the rotation rate of the whole lifting hook of control is furnished with the cross connector under the slewing bearing and can be that the lifting hook has the swing of four directions, improve equipment's suitability.
Furthermore, the lifting pulley block 2 is connected with a steel wire rope of the portal crane.
Further, the drive pinion 7 of trinity speed reducer 6 is just reversing, the rotatory drive piece 3 slewing bearing of drive pinion 7 is rotatory.
Further, a cable storage frame 8 is arranged above the slewing bearing 3 and between the lifting pulley blocks 2.
Furthermore, the power supply of the gantry crane is supplied to the motor of the three-in-one speed reducer 6 in the electric rotary lifting hook through the cable storage frame 8 of the rotary lifting hook 5.
Further, the lifting pulley block 2 comprises a pulley 21, and a sliding groove 22 for connecting through a steel wire rope is formed in the middle of the pulley 21.
The theory of operation, this electric rotating lifting hook is connected through the wire rope that plays to rise the assembly pulley and gate stand hoist, the removal and the take-off and landing of the whole rotatory lifting hook 5 of gate stand machine control, the power supply cable of hanging down of gate stand machine is through the storage cable frame 8 of rotatory lifting hook 5 for the motor power supply of the trinity speed reducer 6 in the electric rotating lifting hook, connecting piece drive pinion 7 below this speed reducer, through the positive and negative rotation of motor, the rotatory slewing bearing that drives of drive pinion is rotatory, the cross connector through the piece drives the lifting hook 5 rotatory, the rotatory function of solid line electric control lifting hook.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a frequency conversion dual drive electric rotary lifting hook, includes lifting hook roof beam (1), its characterized in that: a slewing bearing (3) is installed in the middle of the lifting hook beam (1), three-in-one speed reducers (6) are installed on two sides of the slewing bearing (3), and output shafts of the three-in-one speed reducers (6) are rotatably connected with driving pinions (7);
the lifting device is characterized in that lifting pulley blocks (2) are fixedly connected to two sides of the upper end face of the lifting hook beam (1), cross connectors (4) are fixedly connected to the lower end face of the slewing bearing (3), and lifting hooks (5) are movably connected to the lower ends of the cross connectors (4).
2. The frequency-conversion dual-drive electric rotary lifting hook according to claim 1, is characterized in that: the lifting pulley block (2) is connected with a steel wire rope of the portal crane.
3. The frequency-conversion dual-drive electric rotary lifting hook according to claim 1, is characterized in that: drive pinion (7) of trinity speed reducer (6) are just reversing, slewing bearing (3) slewing bearing of drive pinion (7) is rotatory.
4. The frequency-conversion dual-drive electric rotary lifting hook according to claim 1, is characterized in that: and a cable storage frame (8) is arranged above the slewing bearing (3) and between the lifting pulley blocks (2).
5. The frequency-conversion dual-drive electric rotary lifting hook according to claim 4, is characterized in that: the power supply vertical cable of the electric rotating hook gantry crane supplies power to a motor of a three-in-one speed reducer (6) in the electric rotating hook through a cable storage frame (8) of the rotating hook (5).
6. The frequency-conversion dual-drive electric rotary lifting hook according to claim 1, is characterized in that: the lifting pulley block (2) comprises a pulley (21), and a sliding groove (22) for connection through a steel wire rope is formed in the middle of the pulley (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020812748.2U CN212893453U (en) | 2020-05-15 | 2020-05-15 | Frequency conversion dual drive electric rotary lifting hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020812748.2U CN212893453U (en) | 2020-05-15 | 2020-05-15 | Frequency conversion dual drive electric rotary lifting hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212893453U true CN212893453U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020812748.2U Active CN212893453U (en) | 2020-05-15 | 2020-05-15 | Frequency conversion dual drive electric rotary lifting hook |
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| Country | Link |
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| CN (1) | CN212893453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547610A (en) * | 2020-06-08 | 2020-08-18 | 广州权威机电设备有限公司 | Frequency conversion dual drive electric rotary lifting hook |
-
2020
- 2020-05-15 CN CN202020812748.2U patent/CN212893453U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547610A (en) * | 2020-06-08 | 2020-08-18 | 广州权威机电设备有限公司 | Frequency conversion dual drive electric rotary lifting hook |
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