CN213537043U - Electric single-beam bridge crane - Google Patents
Electric single-beam bridge crane Download PDFInfo
- Publication number
- CN213537043U CN213537043U CN202022657610.2U CN202022657610U CN213537043U CN 213537043 U CN213537043 U CN 213537043U CN 202022657610 U CN202022657610 U CN 202022657610U CN 213537043 U CN213537043 U CN 213537043U
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- China
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- bridge crane
- beam bridge
- electric single
- supporting plate
- fixedly connected
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Abstract
The utility model relates to a hoist field, concretely relates to electronic single beam bridge crane, including end beam, crossbeam, guide rail, walking dolly, hoist engine, wire rope and lifting hook, its characterized in that: the winding machine comprises a shell, a rotating shaft, a winding drum and a speed reducing motor, wherein a supporting plate is connected to the bottom of the shell, a compression spring is installed between the supporting plate and the shell, brake rods are arranged below two end portions of the rotating shaft, one end portion of each brake rod penetrates through the bottom of the shell and is fixedly connected to the top surface of the corresponding supporting plate, the other end of each brake rod is fixedly connected with a brake disc, and a proximity switch is installed at the bottom of the corresponding supporting plate; the lifting hook is used for solving the problem that the existing lifting hook is easy to impact and damage a cross beam when lifting.
Description
Technical Field
The utility model relates to a hoist field, concretely relates to electronic single beam bridge crane.
Background
The bridge crane is hoisting equipment which is transversely erected above workshops, warehouses and stock yards for hoisting materials, the travelling trolley moves on the guide rail, and the lifting hook hoists the goods to ascend or descend under the action of the winch; in order to avoid collision between the lifting hook and the cross beam due to too fast rising, a heavy hammer type limit switch is generally installed, but the switch has delayed response, the switch cuts off the power supply of the winch, but the inertia rotating shaft can still rotate continuously, so that the lifting hook continues to move upwards, the lifting hook collides with the cross beam, the cross beam is damaged, and the problem of top impact is caused.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides an electronic monospar bridge crane for solve current lifting hook and play to rise when dashing the top easily, cause the problem of destruction to the crossbeam.
The technical scheme of the utility model is realized like this: the utility model provides an electronic monospar bridge crane, includes end beam, crossbeam, guide rail, walking dolly, hoist engine, wire rope and lifting hook, its characterized in that: wire rope twine on the pulley, the pulley is installed on the pulley yoke, the top surface fixedly connected with connecting plate of pulley yoke, the hoist engine includes the casing, the pivot, reel and gear motor, the bottom of casing is connected with the backup pad, install compression spring between backup pad and the casing, the below at the both ends of pivot all is provided with the brake lever, a tip of brake lever passes the bottom of casing and fixedly connected at the top surface of backup pad, the other end fixedly connected with brake disc of brake lever, proximity switch is installed to the bottom of backup pad.
The brake disc is of a circular arc structure.
The inner side surface of the brake disc is fixedly connected with a first rubber layer.
The bottom of the supporting plate is provided with a groove, and the proximity switch is arranged in the groove.
The outer part of the rotating shaft is provided with anti-skid grains, and the positions of the anti-skid grains correspond to the positions of the brake disc.
The number of the compression springs is 4, and the compression springs are fixedly arranged at four corners of the bottom of the shell.
And a support rod which is obliquely arranged is fixedly connected between the bottom of the connecting plate and the side part of the pulley yoke.
The top surface of the connecting plate and the bottom surface of the supporting plate are both provided with a second rubber layer.
The technical scheme of the utility model has following positive effect: the top surface of a pulley yoke of the device is provided with a connecting plate, the bottom of a shell is connected with a supporting plate, a compression spring is arranged between the supporting plate and the connecting plate, when a lifting hook continuously rises, the compression spring is compressed, so that a brake rod faces upwards, a brake disc is contacted with a rotating shaft, a braking effect is achieved, and the phenomenon that the crane is damaged due to overlarge impact force caused by continuous upward movement of the lifting hook is prevented; the proximity switch is arranged in the groove, so that the proximity switch is prevented from being damaged by impact; the rotating shaft is provided with anti-skid grains to increase friction force; the first rubber layer prolongs the service life of the brake disc; the second rubber layer plays a role in buffering.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a connection structure of the hoist and the hook.
FIG. 3 is a schematic view of a brake lever.
Detailed Description
As shown in fig. 1, 2 and 3, the electric single-beam bridge crane comprises an end beam 1, a cross beam 2, a guide rail 3, a walking trolley 4, a winch 5, a steel wire rope 6 and a lifting hook 7, and is characterized in that: the winding device comprises a steel wire rope 6, a pulley 8, a pulley frame 9, a connecting plate 10, a winch 5, a winding drum, a speed reduction motor 14, a supporting plate 15, a compression spring 16, brake rods 17, a brake disc 18 and a proximity switch 19, wherein the steel wire rope 6 is wound on the pulley 8, the pulley 8 is installed on the pulley frame 9, the top surface of the pulley frame 9 is fixedly connected with the connecting plate 10, the winch 5 comprises a shell 11, a rotating shaft 12, the winding drum and the speed reduction motor 14, the bottom of the shell 11 is connected with the supporting plate 15, the compression spring 16 is installed between the supporting plate 15 and the shell 11, the brake rods 17; the hook 7 is lifted after lifting the load, and when the hook 7 is lifted to a certain position, the proximity switch 19 is activated and the reduction motor 14 stops operating, but the rotation shaft 12 does not immediately stop rotating due to inertia, the hook 7 continues to be lifted, the compression spring 16 is compressed, the brake lever 17 moves upward, the brake disc 18 is attached to the rotation shaft 12, and braking is performed by the friction force between the two.
The brake disc 18 is of a circular arc structure, and the circular arc structure is matched with the rotating shaft 12 in shape.
The inner side surface of the brake disc 18 is fixedly connected with a rubber layer 20, and the rubber layer 20 prolongs the service life of the brake disc 18.
The bottom of the supporting plate 15 is provided with a groove, the proximity switch 19 is arranged in the groove, and the lifting hook 7 prevents the connecting plate 10 from extruding the proximity switch 19 to damage the proximity switch in an upward process.
The outer part of the rotating shaft 12 is provided with anti-skid grains 22, the positions of the anti-skid grains 22 correspond to the positions of the brake disc 18, and the anti-skid grains 22 increase the friction force and increase the braking effect.
The number of the compression springs 16 is 4, the compression springs 16 are symmetrically and fixedly installed between the top of the support plate 15 and the bottom of the housing 11, and the brake lever 17 is disposed outside the compression springs 16.
A support rod 23 which is obliquely arranged is fixedly connected between the bottom of the connecting plate 10 and the side part of the pulley frame 9, and the support rod 23 increases the supporting force between the connecting rod 10 and the pulley frame 9.
The top surface of the connecting plate 10 and the bottom surface of the supporting plate 15 are both provided with a second rubber layer 24, the second rubber layer 24 on the bottom surface of the supporting plate 15 is provided with a hole at the position of the groove, and the second rubber layer 24 plays a role in buffering in collision.
Claims (8)
1. The utility model provides an electronic single beam bridge crane, includes end beam (1), crossbeam (2), guide rail (3), walking dolly (4), hoist engine (5), wire rope (6) and lifting hook (7), its characterized in that: wire rope (6) winding on pulley (8), install on pulley yoke (9) pulley (8), the top surface fixedly connected with connecting plate (10) of pulley yoke (9), hoist engine (5) are including casing (11), pivot (12), reel and gear motor (14), the bottom of casing (11) is connected with backup pad (15), install compression spring (16) between backup pad (15) and casing (11), the below at the both ends of pivot (12) all is provided with brake lever (17), a tip of brake lever (17) passes the bottom and the fixed connection of casing (11) at the top surface of backup pad (15), the other end fixedly connected with brake disc (18) of brake lever (17), proximity switch (19) are installed to the bottom of backup pad (15).
2. The electric single-beam bridge crane according to claim 1, wherein: the brake disc (18) is of an arc-shaped structure.
3. The electric single-beam bridge crane according to claim 1, wherein: the inner side surface of the brake disc (18) is fixedly connected with a rubber layer I (20).
4. The electric single-beam bridge crane according to claim 1, wherein: the bottom of the supporting plate (15) is provided with a groove, and the proximity switch (19) is arranged in the groove.
5. The electric single-beam bridge crane according to claim 1, wherein: the anti-skid brake disc is characterized in that anti-skid grains (22) are arranged outside the rotating shaft (12), and the positions of the anti-skid grains (22) correspond to the positions of the brake disc (18).
6. The electric single-beam bridge crane according to claim 1, wherein: the number of the compression springs (16) is 4, and the compression springs (16) are symmetrically and fixedly arranged between the top of the support plate (15) and the bottom of the shell (11).
7. The electric single-beam bridge crane according to claim 1, wherein: and a support rod (23) which is obliquely arranged is fixedly connected between the bottom of the connecting plate (10) and the side part of the pulley frame (9).
8. The electric single-beam bridge crane according to claim 1, wherein: the top surface of the connecting plate (10) and the bottom surface of the supporting plate (15) are both provided with a second rubber layer (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022657610.2U CN213537043U (en) | 2020-11-17 | 2020-11-17 | Electric single-beam bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022657610.2U CN213537043U (en) | 2020-11-17 | 2020-11-17 | Electric single-beam bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213537043U true CN213537043U (en) | 2021-06-25 |
Family
ID=76482443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022657610.2U Active CN213537043U (en) | 2020-11-17 | 2020-11-17 | Electric single-beam bridge crane |
Country Status (1)
| Country | Link |
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| CN (1) | CN213537043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896094A (en) * | 2021-10-26 | 2022-01-07 | 广州文冲船厂有限责任公司 | Marine material hangs lifting hook solid locking mechanism |
| CN117720015A (en) * | 2024-02-09 | 2024-03-19 | 江油市重鑫特种金属材料有限公司 | Crane capable of preventing lifting hook from being pushed |
-
2020
- 2020-11-17 CN CN202022657610.2U patent/CN213537043U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896094A (en) * | 2021-10-26 | 2022-01-07 | 广州文冲船厂有限责任公司 | Marine material hangs lifting hook solid locking mechanism |
| CN113896094B (en) * | 2021-10-26 | 2024-01-30 | 广州文冲船厂有限责任公司 | Marine material hanging hook locking mechanism |
| CN117720015A (en) * | 2024-02-09 | 2024-03-19 | 江油市重鑫特种金属材料有限公司 | Crane capable of preventing lifting hook from being pushed |
| CN117720015B (en) * | 2024-02-09 | 2024-04-19 | 江油市重鑫特种金属材料有限公司 | Crane capable of preventing lifting hook from being pushed |
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