CN216638715U - Gantry crane with anti-swing function - Google Patents
Gantry crane with anti-swing function Download PDFInfo
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- CN216638715U CN216638715U CN202220964256.4U CN202220964256U CN216638715U CN 216638715 U CN216638715 U CN 216638715U CN 202220964256 U CN202220964256 U CN 202220964256U CN 216638715 U CN216638715 U CN 216638715U
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- movable pulley
- pulley block
- winding drum
- winding
- trolley
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Abstract
The utility model discloses a portal crane with a swing-proof function, which comprises two main beams, wherein end beams are arranged at two ends of each main beam, supporting legs are arranged at the bottoms of the end beams, a cart travelling mechanism is arranged at the bottoms of the supporting legs, a trolley travelling mechanism is arranged on each main beam, each trolley travelling mechanism comprises a travelling trolley, three winding drums are arranged on the travelling trolley, the winding drums are driven by a driving motor and are arranged in an H shape, the winding drum in the middle is a first winding drum, and the winding drums on two sides are second winding drums; a lifting appliance is arranged below the travelling trolley, three movable pulley blocks are arranged at the top of the lifting appliance, the three movable pulley blocks correspond to the three winding drums, the middle movable pulley block is a first movable pulley block, and the movable pulley blocks on the two sides are second movable pulley blocks; a fixed pulley block is correspondingly arranged above the movable pulley block, and the steel wire rope on the winding drum bypasses the corresponding movable pulley block and the fixed pulley block; the utility model is used for solving the problem that a gantry crane is easy to shake when a heavy object is lifted in the prior art.
Description
Technical Field
The utility model relates to the technical field of hoisting equipment, in particular to a portal crane with a swing-proof function.
Background
The gantry crane needs to be continuously started and stopped and moves in the front-back, left-right and up-down directions in the working process, and the heavy object can swing in the hoisting process due to the flexible structure of the steel wire rope and the inertia of the heavy object. The swing of the heavy object can influence the unloading operation, the manual elimination swing wastes time and labor, the lifting work efficiency is influenced, and the safety of workers and lifting equipment can be endangered even if the heavy object swings. In the existing crane, the arrangement directions of the pulley blocks on the lifting appliance are the same, so that the distribution of the steel wire ropes is also the same, the lifting appliance only has a certain anti-swing function in one direction, and the degree of freedom is higher in other directions, so that the lifting appliance is easy to swing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a portal crane with a swing preventing function, which is used for solving the problem that the portal crane is easy to swing when a heavy object is lifted and transported in the prior art.
In order to realize the purpose, the utility model adopts the following technical scheme: a portal crane with anti-swing function comprises two main beams, wherein end beams are arranged at two ends of each main beam, supporting legs are arranged at the bottoms of the end beams, a cart travelling mechanism is arranged at the bottoms of the supporting legs, a trolley travelling mechanism is arranged on each main beam and comprises a travelling trolley, three winding drums are arranged on the travelling trolley and driven by a driving motor, the three winding drums are arranged in an H shape, the winding drum in the middle is a first winding drum, and the winding drums on two sides are second winding drums; a lifting appliance is arranged below the traveling trolley, three movable pulley blocks are arranged at the top of the lifting appliance and correspond to three winding drums, the middle movable pulley block is a first movable pulley block, the movable pulley blocks on two sides are second movable pulley blocks, and the arrangement direction of the first movable pulley block is perpendicular to that of the second movable pulley blocks; and a fixed pulley block is correspondingly arranged above the movable pulley block, the fixed pulley block is rotatably connected to the walking trolley, and the steel wire rope on the winding drum bypasses the corresponding movable pulley block and the fixed pulley block.
Optionally, the driving motor is disposed at an end of a second reel, and a transmission mechanism is disposed between the first reel and the second reel.
Optionally, the transmission mechanism comprises a supporting plate and a transmission shaft, the supporting plate is fixedly connected to the walking trolley, the transmission shaft is rotatably connected to the supporting plate, a first bevel gear and a first transmission gear are fixedly connected to the transmission shaft, second bevel gears are fixedly connected to two ends of the first winding drum, a second transmission gear is fixedly connected to one end of the second winding drum, the first bevel gear is in transmission connection with the second bevel gears, and the first transmission gear is in transmission connection with the second transmission gears.
Optionally, two sets of movable pulleys are arranged in each movable pulley block, two steel wire ropes are wound on each winding drum, and each steel wire rope corresponds to one set of movable pulleys.
The portal crane with the anti-swing function has the following advantages:
(1) the setting direction of the first movable pulley block on the lifting appliance is perpendicular to the setting direction of the second movable pulley block, so that the setting direction of the steel wire rope in the middle of the lifting appliance is perpendicular to the setting directions of the steel wire ropes on the two sides, the anti-swing functions between the steel wire ropes are complementary, and the stability of the lifting appliance is better.
(2) The transmission mechanism can enable the three winding drums to synchronously rotate, so that the lifting stability of the lifting appliance is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the arrangement of the movable pulley block on the top of the spreader.
Fig. 3 is a schematic view of the transmission mechanism.
Detailed Description
The utility model will be further explained with reference to the drawings, which are based on the orientation in fig. 1.
The first embodiment is as follows:
as shown in fig. 1-2, a gantry crane with anti-swing function comprises two main beams 1, end beams are arranged at two ends of the main beams 1, supporting legs 2 are arranged at the bottoms of the end beams, a cart travelling mechanism 3 is arranged at the bottoms of the supporting legs 2, a cart travelling mechanism is arranged on the main beams 1 and comprises a travelling cart 4, three winding drums are arranged on the travelling cart 4 and are driven by driving motors 7 respectively, and the three winding drums are ensured to rotate in a synchronous manner by the three driving motors 7. Three reel is the H type and arranges, and the middle reel that sets up along the left and right directions is first reel 5, and the reel that the fore-and-aft direction set up is followed to both sides is second reel 6, and the winding has two wire rope 11 on every reel, and two wire rope 11 twine respectively at the both ends of reel.
A lifting appliance 8 is arranged below the walking trolley 4, three movable pulley blocks are arranged at the top of the lifting appliance 8, the three movable pulley blocks correspond to the three winding drums, and two groups of movable pulleys 12 are arranged in each movable pulley block. The middle movable pulley block is a first movable pulley block 9, two groups of movable pulleys 12 in the first movable pulley block 9 respectively correspond to two steel wire ropes 11 on the first winding drum 5, the movable pulley blocks on two sides are second movable pulley blocks 10, and two groups of movable pulleys 12 in the second movable pulley blocks 10 respectively correspond to two steel wire ropes 11 on the second winding drum 6. The rotating shaft of the movable pulley 12 in the first movable pulley block 9 is arranged in the left-right direction, and the rotating shaft of the movable pulley 12 in the second movable pulley block 10 is arranged in the front-back direction. A fixed pulley block is correspondingly arranged above each movable pulley block, the fixed pulley blocks are rotatably connected to the walking trolley 4, one end of the steel wire rope 11 is fixedly connected to the end part of the winding drum, and the other end of the steel wire rope is fixedly connected to the middle part of the winding drum after passing through the corresponding movable pulley blocks and the corresponding fixed pulley blocks.
The anti-swing principle of the utility model is as follows: the arrangement direction of the first movable pulley block 9 on the top of the lifting appliance 8 is perpendicular to the arrangement direction of the second movable pulley block 10, after the steel wire rope 11 on the first reel 5 winds around the first movable pulley block 9, the steel wire rope 11 on the front and back direction of the first movable pulley block 9 has an included angle, and the first movable pulley block 9 has certain anti-swinging capability in the front and back direction; after the steel wire rope 11 on the second winding drum 6 winds around the second movable pulley block 10, the steel wire rope 11 on the second movable pulley block 10 in the left-right direction has an included angle, and the second movable pulley block 10 has certain anti-swinging capacity in the left-right direction; the first movable pulley block 9 and the second movable pulley block 10 are matched with each other, so that the lifting appliance 8 has strong anti-swing capacity, the crane is prevented from swinging greatly when lifting heavy objects, and the efficiency and the safety of lifting operation are improved.
Example two:
as shown in fig. 3, the structure of the present embodiment is substantially the same as that of the first embodiment, and the difference is: the driving motor 7 is only one and is arranged at the end part of the second winding drum 6 on the right side, a transmission mechanism is arranged between the first winding drum 5 and the second winding drum 6 and comprises a supporting plate 17 and a transmission shaft 14, the supporting plate 17 is fixedly connected to the walking trolley 4, the transmission shaft 14 is rotatably connected to the supporting plate 17, a first bevel gear 15 and a first transmission gear 16 are fixedly connected to the transmission shaft 14, second bevel gears 18 are fixedly connected to the two ends of the first winding drum 5, a second transmission gear 19 is fixedly connected to one end of the second winding drum 6, the first bevel gear 15 is in transmission connection with the second bevel gears 18, and the first transmission gear 16 is in transmission connection with the second transmission gears 19.
Driving motor 7 drives the second reel 6 on right side and rotates, the transmission shaft 14 on rethread right side drives first reel 5 and rotates, first reel 5 rethread left transmission shaft 14 drives left second reel 6 and rotates, under a driving motor 7's drive, can realize the synchronous rotation of three reel like this, ensure that wire rope 11's action is synchronous, hoist 8 goes up and down steadily, need not like in embodiment one to adjust three driving motor 7's synchronism, the operation mode is more simple and convenient.
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 (4)
1. The utility model provides a gantry crane with prevent shaking pendulum function, includes two girders, and the both ends of girder are provided with the end beam, and the bottom of end beam is provided with the landing leg, and the landing leg bottom is provided with cart running gear, is provided with dolly running gear on the girder, and dolly running gear includes walking dolly, its characterized in that: the travelling trolley is provided with three winding drums, the winding drums are driven by a driving motor and arranged in an H shape, the winding drum in the middle is a first winding drum, and the winding drums on two sides are second winding drums; a lifting appliance is arranged below the traveling trolley, three movable pulley blocks are arranged at the top of the lifting appliance and correspond to three winding drums, the middle movable pulley block is a first movable pulley block, the movable pulley blocks on two sides are second movable pulley blocks, and the arrangement direction of the first movable pulley block is perpendicular to that of the second movable pulley blocks; and a fixed pulley block is correspondingly arranged above the movable pulley block, the fixed pulley block is rotatably connected to the walking trolley, and the steel wire rope on the winding drum bypasses the corresponding movable pulley block and the fixed pulley block.
2. The gantry crane having the anti-swing function according to claim 1, wherein: the driving motor is arranged at the end part of a second winding drum, and a transmission mechanism is arranged between the first winding drum and the second winding drum.
3. The gantry crane having the anti-swing function according to claim 2, wherein: the transmission mechanism comprises a supporting plate and a transmission shaft, the supporting plate is fixedly connected to the walking trolley, the transmission shaft is rotatably connected to the supporting plate, a first bevel gear and a first transmission gear are fixedly connected to the transmission shaft, second bevel gears are fixedly connected to two ends of the first winding drum, a second transmission gear is fixedly connected to one end of the second winding drum, the first bevel gear is in transmission connection with the second bevel gears, and the first transmission gear is in transmission connection with the second transmission gear.
4. The gantry crane having the anti-swing function according to claim 1, wherein: two groups of movable pulleys are arranged in each movable pulley block, two steel wire ropes are wound on each winding drum, and each steel wire rope corresponds to one group of movable pulleys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220964256.4U CN216638715U (en) | 2022-04-25 | 2022-04-25 | Gantry crane with anti-swing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220964256.4U CN216638715U (en) | 2022-04-25 | 2022-04-25 | Gantry crane with anti-swing function |
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| Publication Number | Publication Date |
|---|---|
| CN216638715U true CN216638715U (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220964256.4U Active CN216638715U (en) | 2022-04-25 | 2022-04-25 | Gantry crane with anti-swing function |
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| CN (1) | CN216638715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116924251A (en) * | 2023-07-17 | 2023-10-24 | 山东天源重工集团有限公司 | Anti-swing mechanism of container crane lifting appliance |
-
2022
- 2022-04-25 CN CN202220964256.4U patent/CN216638715U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116924251A (en) * | 2023-07-17 | 2023-10-24 | 山东天源重工集团有限公司 | Anti-swing mechanism of container crane lifting appliance |
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