CN215974634U - Synchronous power supply device for lifting appliance of crane - Google Patents
Synchronous power supply device for lifting appliance of crane Download PDFInfo
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- CN215974634U CN215974634U CN202220272086.3U CN202220272086U CN215974634U CN 215974634 U CN215974634 U CN 215974634U CN 202220272086 U CN202220272086 U CN 202220272086U CN 215974634 U CN215974634 U CN 215974634U
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- power supply
- winding drum
- drum
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 238000004804 winding Methods 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 230000005520 electrodynamics Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a synchronous power supply device for a lifting appliance of a crane, which comprises an installation frame, a winding drum and a cable winding drum, wherein both ends of the winding drum are rotatably connected to the installation frame; one end of the cable drum is rotatably connected to the mounting frame, the end part of the cable drum is fixedly connected with a second transmission gear, the first transmission gear and the second transmission gear are positioned on the same side of the mounting frame, and the first transmission gear and the second transmission gear are in transmission connection through a chain; a steel wire rope is wound on the winding drum, a lifting appliance is arranged at the bottom of the steel wire rope, and a power supply cable is wound on the cable winding drum; the utility model is used for solving the problems that in the prior art, the cable is in a stretched state for a long time due to overlarge tension of a cable winding and unwinding device on the cable, the cable is easy to break and the service life is short.
Description
Technical Field
The utility model relates to the technical field of crane auxiliary equipment, in particular to a synchronous power supply device for a lifting appliance of a crane.
Background
A common lifting appliance on a crane adopts a lifting hook to lift and transport equipment and products, and the lifting appliance adopts a mechanical structure and does not need power supply. However, some devices or products are special in shape and easy to damage, and cannot be hoisted by using common hoists, and some special hoists are needed. The special lifting appliance generally comprises a lifting electromagnet, a slab clamp, a hydraulic grab, an electricity changing lifting appliance and the like, and can be used for lifting special equipment and products. The special lifting appliance generally needs to be powered to be normally used, so that power is supplied by using a cable, the cable needs to be wound and unwound in the lifting process of the lifting appliance, a winding and unwinding device of the cable needs to be arranged, the winding and unwinding device needs to automatically wind and release the cable, and the synchronous operation with the mobile equipment needs to be kept.
The common cable winding and unwinding device comprises a non-electrodynamic type and an electrodynamic type, wherein the non-electrodynamic type comprises an elastic type, a spiral spring is used as power to wind a cable, when the cable is pulled out, the spiral spring is tightened to store energy, and when external force is removed, the spring releases energy, and a winding drum automatically winds the cable. But the cable has small tension, the spring is easy to fatigue, and the service life is short; the electrodynamic type cable drum includes the torque motor formula, adopts long-term locked rotor motor more, and power part and the speed governing part on the cable drum are undertaken by the motor, and the locked rotor current of motor is little, can lock rotor, reversal for a long time. However, the electromotive force direction of the torque motor is always unchanged, the torque motor always runs towards the cable retracting direction, and the cable is easy to damage due to overlarge cable tension.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a synchronous power supply device for a lifting appliance of a crane, which is used for solving the problems that in the prior art, a cable is in a stretched state for a long time due to overlarge tension of a cable winding and unwinding device, the cable is easy to break and the service life is short.
In order to achieve the purpose, the utility model adopts the following technical scheme: a synchronous power supply device for a lifting appliance of a crane comprises a mounting frame, a winding drum and a cable winding drum, wherein both ends of the winding drum are rotatably connected to the mounting frame; one end of the cable drum is rotatably connected to the mounting frame, the end part of the cable drum is fixedly connected with a second transmission gear, the first transmission gear and the second transmission gear are positioned on the same side of the mounting frame, and the first transmission gear and the second transmission gear are in transmission connection through a chain; and a steel wire rope is wound on the winding drum, a lifting appliance is arranged at the bottom of the steel wire rope, and a power supply cable for supplying power to the lifting appliance is wound on the cable winding drum.
Optionally, there are two winding drums, two winding drums are arranged in parallel and are both rotatably connected to the mounting frame, and the first transmission gear is installed on one winding drum.
Optionally, the reducer is a dual output shaft reducer.
Optionally, the cable drum and the driving motor are both disposed within the mounting frame, and the cable drum and the driving motor are disposed between the two drums.
Optionally, a protective cover is arranged outside the first transmission gear and the second transmission gear.
The synchronous power supply device for the lifting appliance of the crane has the following advantages:
(1) the cable winding of power supply is on cable drum, and cable drum can follow the reel and rotate together, makes the lift of cable and wire rope's lift synchronous, and the hoist is at the in-process that goes up and down like this, and the cable can be along with the hoist removes together, ensures that the power supply is normal, and the cable only need bear the gravity of self moreover, is difficult to appear being broken the condition, and the life of cable increases.
(2) Two reels are applicable to the electric hoist that trades of four hoisting points, and cable drum and driving motor set up between two reels, can save space, reduce the volume of equipment.
(3) The safety cover can play the guard action to first drive gear, second drive gear and chain, avoids impurity such as dust to influence the transmission between reel and the cable drum.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic connection diagram of the first transmission gear and the second transmission gear.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-2, a synchronous power supply device for a lifting appliance of a crane comprises an installation frame 1, two winding drums 2 and a cable winding drum 3, wherein the installation plate 4 is arranged at the left end and the right end of the installation frame 1, the two winding drums 2 are arranged in parallel, and the two ends of each winding drum 2 are rotatably connected to the installation plate 4. The outer side of the left mounting plate 4 is fixedly connected with a speed reducer 5, the speed reducer 5 adopts a double-output-shaft speed reducer, the input end and the output end of the speed reducer 5 are positioned on the same side, the left end of the winding drum 2 is in transmission connection with the output end of the speed reducer 5, and the output end of the speed reducer 5 is provided with a driving motor 6; the right end of one of the winding drums 2 is fixedly connected with a first transmission gear 7. The cable drum 3 is arranged on the inner side of the right side mounting plate 4, the right end of the cable drum 3 is rotatably connected to the mounting plate 4 on the right side, the right end of the cable drum 3 is fixedly connected with a second transmission gear 8, the first transmission gear 7 and the second transmission gear 8 are located on the outer side of the right side mounting plate 4, the first transmission gear 7 and the second transmission gear 8 are in transmission connection through a chain 9, and a protective cover 10 is arranged on the outer sides of the first transmission gear 7 and the second transmission gear 8. The protective cover 10 can protect the first transmission gear 7, the second transmission gear 8 and the chain 9, and prevent impurities such as dust from affecting transmission between the winding drum 2 and the cable winding drum 3.
The driving motor 6 and the cable drum 3 are both arranged between the two drums 2, so that the width of the equipment can be shortened, the working space occupied by the equipment is saved, the size of the equipment is reduced, and the power supply device is more flexible to move. Both ends on each winding drum 2 are wound with steel wire ropes 11, the bottom of each steel wire rope 11 is provided with a power switching hanger (not shown in the figure) with four hanging points, the cable winding drum 3 is wound with a power supply cable 12 for supplying power to the hangers, and the end parts of the power supply cables 12 are connected with the hangers.
The transmission ratio between the first transmission gear 7 and the second transmission gear 8 is matched with the diameter of the winding drum 2, the diameter of the cable winding drum 3 and the rope winding mode of the steel wire rope 11, and the purpose is to ensure that the power supply cable 12 and the steel wire rope 11 can be lifted synchronously. For example, when the diameter of the drum 2 is the same as that of the cable drum 3 and the steel wire rope 11 adopts a single-thread winding manner, a first transmission gear 7 and a second transmission gear 8 are arranged between 1: the transmission ratio of 1 can ensure that the power supply cable 12 and the steel wire rope 11 can be synchronously lifted. For another example, when the diameter of the cable drum 3 is 2 times of the diameter of the drum 2 and the steel wire rope 11 adopts a double-thread rope winding mode, the first transmission gear 7 and the second transmission gear 8 adopt a gear ratio of 4: the transmission ratio of 1 can ensure that the power supply cable 12 and the steel wire rope 11 are lifted synchronously.
The embodiments described above are only a part of the embodiments of the present invention, and not all of them. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a hoist synchronous power supply device of hoist which characterized in that: the cable winding drum comprises a mounting frame, a winding drum and a cable winding drum, wherein two ends of the winding drum are rotatably connected to the mounting frame, one end of the mounting frame is fixedly connected with a speed reducer, one end of the winding drum is in transmission connection with the output end of the speed reducer, the output end of the speed reducer is provided with a driving motor, and the other end of the winding drum is fixedly connected with a first transmission gear; one end of the cable drum is rotatably connected to the mounting frame, the end part of the cable drum is fixedly connected with a second transmission gear, the first transmission gear and the second transmission gear are positioned on the same side of the mounting frame, and the first transmission gear and the second transmission gear are in transmission connection through a chain; and a steel wire rope is wound on the winding drum, a lifting appliance is arranged at the bottom of the steel wire rope, and a power supply cable for supplying power to the lifting appliance is wound on the cable winding drum.
2. The synchronous power supply device for the spreader of the crane according to claim 1, wherein: the reel has two, and two reel parallel arrangement just all rotate to be connected on the mounting bracket, and a drive gear installs on one of them reel.
3. The synchronous power supply device for the spreader of the crane according to claim 2, wherein: the speed reducer adopts a double-output-shaft speed reducer.
4. The synchronous power supply device for the spreader of the crane according to claim 3, wherein: cable drum and driving motor all set up in the mounting bracket, and cable drum and driving motor setting are between two reels.
5. The synchronous power supply device for the spreader of the crane according to claim 1, wherein: and protective covers are arranged on the outer sides of the first transmission gear and the second transmission gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220272086.3U CN215974634U (en) | 2022-02-10 | 2022-02-10 | Synchronous power supply device for lifting appliance of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220272086.3U CN215974634U (en) | 2022-02-10 | 2022-02-10 | Synchronous power supply device for lifting appliance of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215974634U true CN215974634U (en) | 2022-03-08 |
Family
ID=80571986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220272086.3U Active CN215974634U (en) | 2022-02-10 | 2022-02-10 | Synchronous power supply device for lifting appliance of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215974634U (en) |
-
2022
- 2022-02-10 CN CN202220272086.3U patent/CN215974634U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240425 Address after: No. 168, Middle Section of Giant Avenue East, Nanpu Industrial Zone, Changyuan City, Xinxiang City, Henan Province, 453400 Patentee after: Lihao (Henan) Lifting Machinery Co.,Ltd. Country or region after: China Address before: 453400 west side of Jingwu Road, Weizhuang Town, Changyuan County, Xinxiang City, Henan Province Patentee before: Henan Torres Intelligent Machinery Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |