CN219636767U - Swing-preventing portal crane - Google Patents
Swing-preventing portal crane Download PDFInfo
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- CN219636767U CN219636767U CN202321223978.5U CN202321223978U CN219636767U CN 219636767 U CN219636767 U CN 219636767U CN 202321223978 U CN202321223978 U CN 202321223978U CN 219636767 U CN219636767 U CN 219636767U
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Abstract
The utility model provides an anti-swing gantry crane, including the girder, the end beam, the landing leg, cart running gear, the dolly, electric block and lifting hook subassembly, anti-swing device is installed to the bottom of girder, anti-swing device is including setting up the lead screw in the girder bottom, the both ends rotation of lead screw is connected with the mounting bracket, the bottom at the girder is fixed at the top of lead screw, the one end of lead screw extends to outside the mounting bracket and the transmission is connected with the motor, the bottom at the girder is fixed to the motor, threaded connection has the installation cover on the lead screw, the top of installation cover is fixed with the draw runner, the bottom of girder is equipped with the spout that corresponds with the draw runner, the spout sets up along the length direction of girder, be fixed with the connecting plate between two installation covers, the bottom of connecting plate is fixed with vertical telescopic link, the limiting plate is fixed with in the bottom of telescopic link, the mounting panel is installed at the top of lifting hook subassembly, the bottom at mounting panel both ends is equipped with the spacing groove that can with limiting plate complex. The utility model has better anti-swing function and improves the safety of crane operation.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to an anti-swing gantry crane.
Background
A crane refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. The crane types are more, such as gantry crane, bridge crane etc., wherein outdoor places such as gantry crane commonly used harbour, pier are in work engineering, easily receive weather influence, and when having great wind, the goods of lifting by crane sways the range great, easily appear the incident.
In order to reduce swing of a lifting appliance, an anti-swing device is usually installed on a gantry crane, for example, the patent publication number is CN216638715U, in the technical scheme disclosed by the patent name of the gantry crane with the anti-swing function, the top of the lifting appliance is provided with three movable pulley blocks, the three movable pulley blocks correspond to three reels, the middle movable pulley block is a first movable pulley block, the movable pulley blocks on two sides are second movable pulley blocks, the arrangement direction of the first movable pulley block is mutually perpendicular to the arrangement direction of the second movable pulley block, in the working process, the swing amplitude of the lifting appliance can be reduced to a certain extent, but a steel wire rope is thin and long, and when wind power is large, the lifting appliance still can generate larger swing amplitude.
Disclosure of Invention
The utility model aims at: the swing-preventing portal crane has a good swing-preventing function, and the working safety of the crane is improved.
The technical scheme adopted by the utility model is as follows:
the utility model provides an anti-swing gantry crane, including two girders, be fixed with the end beam between two girders, the bottom of end beam is fixed with the landing leg, the bottom of landing leg is fixed with cart running gear, install the dolly that can control the removal on the girder, be fixed with electric block on the dolly, the winding has wire rope on the electric block, the lifting hook subassembly is installed to wire rope's free end, anti-swing device is installed to the bottom of girder, anti-swing device is including setting up the lead screw in the girder bottom, the both ends of lead screw rotate and be connected with the mounting bracket, the top at the girder is fixed, the one end of lead screw extends to outside the mounting bracket and the transmission is connected with the motor, the bottom at the girder is fixed to the motor, threaded connection has the installation cover on the lead screw, the top of installation cover is fixed with the draw runner, the bottom of girder is equipped with the spout that corresponds with the draw runner, the spout sets up along the length direction of girder, be fixed with the connecting plate between the two installation covers, the bottom of connecting plate is fixed with vertical telescopic link, the bottom of telescopic link is fixed with the limiting plate at the top of lifting hook subassembly, the mounting panel, the bottom at both ends are equipped with the limiting groove that can with limiting plate complex.
The bottom of mounting panel is fixed with two spaced fixed plates, and the lifting hook subassembly sets up between two fixed plates, and the fixed plate passes through the bolt and can dismantle the side of fixing at the lifting hook subassembly.
A protective plate is arranged above the mounting plate, and a plurality of spaced springs are fixed between the mounting plate and the protective plate.
The top of telescopic link is fixed with the assembly plate, and the assembly plate passes through the bottom of bolt detachably fixed at the connecting plate.
According to the utility model, the bottom of the main beam is provided with the anti-swing device, the anti-swing device has an anti-swing function, the anti-swing device comprises the screw rod arranged at the bottom of the main beam, the two ends of the screw rod are rotatably connected with the mounting frame, the top of the mounting frame is fixed at the bottom of the main beam, the screw rod is supported, the screw rod is convenient to rotate along the mounting frame, one end of the screw rod extends out of the mounting frame and is in transmission connection with the motor, the motor is used for driving the screw rod to rotate, the screw rod is in threaded connection with the mounting sleeve, the top of the mounting sleeve is fixedly provided with the sliding strip, the bottom of the main beam is provided with the sliding groove corresponding to the sliding strip, the sliding strip is in sliding connection with the sliding groove, the limiting plate is fixed between the two mounting sleeves, the connecting plate is in connection with the limiting plate, the bottom of the connecting plate is fixedly provided with the vertical telescopic rod, the limiting plate is fixed at the bottom of the telescopic rod along with the mounting sleeve, the limiting plate moves along with the mounting sleeve through the telescopic rod, the top of the lifting hook component is provided with the mounting plate, the limiting groove capable of being matched with the limiting plate is arranged at the bottom of the mounting plate, and after the lifting hook component is hooked with goods, the lifting hook and lifted to a proper height, the motor drives the screw rod rotates along the screw rod, the sliding rod and the limiting sleeve slides along the sliding groove, the sliding sleeve and the connecting rod through the sliding sleeve and the sliding plate and can move in the sliding sleeve.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a partial structure of an anti-sway device;
FIG. 3 is a schematic structural view of a mounting plate and a protective plate;
fig. 4 is a schematic view of a partial structure of a motor, a mounting frame and a screw.
Detailed Description
As shown in fig. 1-4, an anti-swing gantry crane comprises two main beams 4, an end beam is fixed between the two main beams 4, a supporting leg 2 is fixed at the bottom of the end beam, a cart running mechanism 1 is fixed at the bottom of the supporting leg 2, a cart 5 capable of moving left and right is installed on the main beam 4, an electric hoist 6 is fixed on the cart 5, a steel wire rope 14 is wound on the electric hoist 6, a lifting hook component 18 is installed at the free end of the steel wire rope 14, which is not repeated herein, an anti-swing device 3 is installed at the bottom of the main beam 4, the anti-swing device 3 has an anti-swing function, the anti-swing device 3 comprises a lead screw 13 arranged at the bottom of the main beam 4, an installation frame 22 is rotatably connected at two ends of the lead screw 13, the lead screw 13 is supported so as to facilitate the rotation of the lead screw 13 along the installation frame 22, the top of the installation frame 22 is fixed at the bottom of the main beam 4, one end of the lead screw 13 extends out of the installation frame 22 and is in transmission connection with a motor 21, the motor 21 is fixed at the bottom of the main beam 4, the motor 21 is used for driving the screw rod 13 to rotate, the screw rod 13 is connected with the mounting sleeve 8 in a threaded manner, the top of the mounting sleeve 8 is fixedly provided with the sliding strip 7, the bottom of the main beam 4 is provided with a sliding groove corresponding to the sliding strip 7, the sliding groove is arranged along the length direction of the main beam 4, the sliding strip 7 is slidably connected in the sliding groove to play a limiting role, the connecting plate 9 is fixed between the two mounting sleeves 8 to play a connecting role, the bottom of the connecting plate 9 is fixedly provided with the vertical telescopic rod 11, the bottom of the telescopic rod 11 is fixedly provided with the limiting plate 12, the limiting plate 12 moves along with the mounting sleeve 8 through the telescopic rod 11 and the connecting plate 9, the top of the lifting hook component 18 is provided with the mounting plate 17, the bottoms of the two ends of the mounting plate 17 are provided with limiting grooves 20 which can be matched with the limiting plate 12, the limiting plate 12 is arranged in the limiting grooves 20 to play a limiting and anti-sway role, the anti-swing function is good, and the safety of crane operation is improved.
The bottom of mounting panel 17 is fixed with two spaced fixed plates 19, and hook assembly 18 sets up between two fixed plates 19, and fixed plate 19 passes through the bolt and can dismantle the side of fixing at hook assembly 18, is convenient for install and dismantle.
A protective plate 15 is arranged above the mounting plate 17, a plurality of spaced springs 16 are fixed between the mounting plate 17 and the protective plate 15, and the protective plate has a protective effect, and when a top-punching phenomenon occurs, the lifting hook assembly 18 is protected.
The top of telescopic link 11 is fixed with assembly plate 10, and assembly plate 10 passes through the bottom of bolt detachably fixed at connecting plate 9, is convenient for install and dismantle.
The telescopic rod 11 can be a conventional telescopic device such as a hydraulic cylinder, when the hydraulic cylinder is selected, a conventional hydraulic control system is installed on the crane to drive the hydraulic cylinder to stretch out and draw back, which is the prior art and is not described herein.
The utility model has better anti-swing function, improves the safety of crane operation, when the anti-swing device 3 is needed to be used, the lifting hook component 18 hooks the goods and lifts the goods to a proper position, the motor 21 is electrified to work, the motor 21 drives the screw rod 13 to rotate, the mounting sleeve 8 moves inwards along the screw rod 13, the sliding bar 7 slides along the sliding chute, the mounting sleeve 8 drives the limiting plate 12 to move inwards through the connecting plate 9 and the telescopic rod 11, the telescopic rod 11 stretches to drive the limiting plate 12 to move downwards, the limiting plate 12 moves to the lower part of the mounting plate 17, the telescopic rod 11 contracts, the limiting plate 12 is arranged in the limiting groove 20, when the goods height is needed to be further lifted, the electric hoist 6 is electrified to work, the steel wire rope 14 is wound, the lifting hook component 18 and the goods are driven to move upwards, and meanwhile, the telescopic rod 11 contracts to adapt to the movement of the lifting hook component 18, and a better anti-swing effect is achieved.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (4)
1. The utility model provides an anti-swing gantry crane, includes two girders, is fixed with the end beam between two girders, and the bottom of end beam is fixed with the landing leg, and the bottom of landing leg is fixed with cart running gear, installs the dolly that can control the removal on the girder, is fixed with electric block on the dolly, and the winding has wire rope on the electric block, and the lifting hook subassembly is installed to wire rope's free end, its characterized in that: the bottom of girder is installed and is prevented swaying the device, prevent swaying the device including setting up the lead screw in the girder bottom, the both ends of lead screw are rotated and are connected with the mounting bracket, the top of mounting bracket is fixed in the bottom of girder, the one end of lead screw extends to outside the mounting bracket and the transmission is connected with the motor, the bottom at the girder is fixed to the motor, threaded connection has the installation cover on the lead screw, the top of installation cover is fixed with the draw runner, the bottom of girder is equipped with the spout that corresponds with the draw runner, the spout sets up along the length direction of girder, be fixed with the connecting plate between two installation covers, the bottom of connecting plate is fixed with vertical telescopic link, the bottom of telescopic link is fixed with the limiting plate, the mounting panel is installed at the top of lifting hook subassembly, the bottom at mounting panel both ends is equipped with can with limiting plate complex spacing groove.
2. The swing-preventing gantry crane of claim 1, wherein: the bottom of mounting panel is fixed with two spaced fixed plates, and the lifting hook subassembly sets up between two fixed plates, and the fixed plate passes through the bolt and can dismantle the side of fixing at the lifting hook subassembly.
3. The swing-preventing gantry crane of claim 1, wherein: a protective plate is arranged above the mounting plate, and a plurality of spaced springs are fixed between the mounting plate and the protective plate.
4. The swing-preventing gantry crane of claim 1, wherein: the top of telescopic link is fixed with the assembly plate, and the assembly plate passes through the bottom of bolt detachably fixed at the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321223978.5U CN219636767U (en) | 2023-05-19 | 2023-05-19 | Swing-preventing portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321223978.5U CN219636767U (en) | 2023-05-19 | 2023-05-19 | Swing-preventing portal crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219636767U true CN219636767U (en) | 2023-09-05 |
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ID=87806983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321223978.5U Active CN219636767U (en) | 2023-05-19 | 2023-05-19 | Swing-preventing portal crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219636767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119330216A (en) * | 2024-12-20 | 2025-01-21 | 无锡交通建设工程集团股份有限公司 | A cable crane for safe bridge construction |
-
2023
- 2023-05-19 CN CN202321223978.5U patent/CN219636767U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119330216A (en) * | 2024-12-20 | 2025-01-21 | 无锡交通建设工程集团股份有限公司 | A cable crane for safe bridge construction |
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