CN220011869U - Remote-controlled crane hook unhooking prevention device - Google Patents
Remote-controlled crane hook unhooking prevention device Download PDFInfo
- Publication number
- CN220011869U CN220011869U CN202321560071.8U CN202321560071U CN220011869U CN 220011869 U CN220011869 U CN 220011869U CN 202321560071 U CN202321560071 U CN 202321560071U CN 220011869 U CN220011869 U CN 220011869U
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- lifting
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- hook
- section
- unhooking
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- 230000002265 prevention Effects 0.000 title claims abstract description 27
- 230000000903 blocking effect Effects 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to the technical field of crane hooks, in particular to a remotely controllable crane hook unhooking prevention device, which comprises a pulley block and a hook, and further comprises: the connecting block is fixedly arranged at the opening of the lifting hook; the unhooking prevention mechanism comprises a connecting part, a blocking section and a rotating section; the connecting part is hinged with the connecting block; the blocking section and the rotating section are arranged on two sides of the connecting part, one end of the blocking section is fixedly connected with the connecting part, and one end of the rotating section is fixedly connected with the connecting part; the blocking section is positioned in the opening of the lifting hook; the lifting mechanism is arranged at the outer side of the pulley block; the lifting mechanism comprises a lifting rod which slides linearly in the vertical direction and a power device which drives the lifting rod to slide; one end of the connecting rope is tied on the lifting rod, and the other end is tied on one end of the rotating section far away from the connecting part. The remote-control crane hook unhooking prevention device provided by the utility model can control the unhooking prevention device to open and close in a remote control mode, so that manual operation of personnel is avoided.
Description
Technical Field
The utility model relates to the technical field of crane hooks, in particular to a remote-control crane hook unhooking prevention device.
Background
The unhooking prevention device can prevent unhooking in the lifting process of the crane hook, and is a component which is required to be installed in the related specification of the crane hook. Because the special effect of unhooking prevention device, current unhooking prevention device can not form the hindrance when hanging the lifting hook by the article that hangs, and in order to prevent to hang the article unhooking by hanging, will hinder to hang article and lift off from the lifting hook, just need the personnel to pull unhooking prevention device to remove this kind of hindrance this moment, just can lift off by the article after this, consequently just need personnel to operate by the lifting hook at the in-process that the lifting hook put down by hanging article, and when the lifting hook was used for special occasion, personnel can't direct contact lifting hook (like metallurgical occasion, personnel can be because of high temperature unable touching lifting hook), need to remove unhooking prevention device's hindrance will be very difficult this moment, and the danger is higher.
In view of the above problems, the present designer actively researches and innovates based on the rich practical experience and expertise of the engineering application of such products and the application of the theory, and designs a remote-control crane hook unhooking prevention device, which can control the unhooking prevention device to open and close in a remote control manner, so as to avoid manual operation of personnel.
Disclosure of Invention
The utility model aims to provide a remote-control crane hook unhooking prevention device aiming at the defects in the prior art, and solves the problems that the existing unhooking prevention device needs manual operation by personnel when an object is unloaded, so that the existing unhooking prevention device is difficult to adapt to use in some special occasions.
In order to achieve the above purpose, the utility model adopts the technical scheme that the device comprises a pulley block hung on a steel wire rope of a crane, a lifting hook connected with the pulley block, and further comprises:
the connecting block is fixedly arranged at the opening of the lifting hook;
the unhooking prevention mechanism comprises a connecting part, a blocking section and a rotating section; the connecting part is hinged with the connecting block; the blocking section and the rotating section are arranged on two sides of the connecting part, one end of the blocking section is fixedly connected with the connecting part, and one end of the rotating section is fixedly connected with the connecting part; the blocking section is positioned in the opening of the lifting hook, and the length of the blocking section is larger than the width of the opening of the lifting hook;
the lifting mechanism is arranged at the outer side of the pulley block; the lifting mechanism comprises a lifting rod which slides linearly in the vertical direction and a power device which drives the lifting rod to slide;
and one end of the connecting rope is tied on the lifting rod, and the other end of the connecting rope is tied on one end of the rotating section far away from the connecting part.
Further, the connection portion, the blocking section and the rotating section are of an integral structure.
Further, the length of the rotating section is greater than the length of the blocking section.
Further, in the lifting mechanism, the power device is a telescopic electromagnet, a telescopic oil cylinder or a telescopic air cylinder.
Further, a limiting block is arranged at the bottom end of the lifting rod; the lifting mechanism further comprises a spring, and the spring is sleeved on the lifting rod and located between the limiting block and the power device.
Further, the connecting rope is tied below the limiting block.
Further, a rack structure is arranged on the lifting rod, the power device comprises a motor and a transmission gear, the motor drives the transmission gear to rotate, and the transmission gear is meshed with the rack structure.
Further, the lifting mechanism further comprises a magnetic base, and the lifting mechanism is installed on the pulley block through the magnetic base.
By the technical scheme of the utility model, the following technical effects can be realized:
according to the designed remote-control crane hook unhooking prevention device, the rotating section of the unhooking prevention device is pulled to rotate through the lifting of the lifting rod and the connecting rope, so that the blocking section is driven to open and close; the power device for driving the lifting rod to lift can control the unhooking prevention device to open and close in a remote control mode, so that manual operation of personnel is avoided, and the device can be used in special occasions where the personnel are inconvenient to operate manually; meanwhile, all parts of the device are additionally arranged on the original lifting hook structure, so that the original structure of the lifting hook, particularly the dangerous section of the lifting hook, can not be damaged, and the structural strength of the lifting hook can be effectively ensured; and the device has simple structure and reduces the production and maintenance cost of the device.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic perspective view of a remotely controllable crane hook unhooking prevention device in accordance with an embodiment of the present utility model;
FIG. 2 is a side view of an embodiment one of a remotely controllable crane hook unhooking apparatus in accordance with an embodiment of the utility model;
FIG. 3 is a side view of a second embodiment of a remotely controllable crane hook unhooking apparatus in accordance with an embodiment of the present utility model;
FIG. 4 is a schematic structural view of an anti-unhooking device according to an embodiment of the present utility model;
reference numerals: pulley block 1, lifting hook 2, connecting block 3, unhook preventing mechanism 4, connecting portion 41, stop section 42, rotatory section 43, lifter 5, stopper 51, power device 6, connecting rope 7, spring 8.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The utility model provides a but hoist lifting hook unhook device of remote control, as shown in fig. 1~4, including hanging pulley block 1 on the wire rope of hoist to and the lifting hook 2 of being connected with pulley block 1 still includes:
the connecting block 3 is fixedly arranged at the opening of the lifting hook 2, and the connecting block 3 is preferably arranged in a welding mode, so that the structural strength of the lifting hook 2 can be prevented from being influenced by punching the lifting hook 2;
the unhooking prevention mechanism 4 comprises a connecting part 41, a blocking section 42 and a rotating section 43; the connecting part 41 is hinged with the connecting block 3; the blocking section 42 and the rotating section 43 are arranged on two sides of the connecting part 41, one end of the blocking section 42 is fixedly connected with the connecting part 41, and one end of the rotating section 43 is fixedly connected with the connecting part 41; the blocking section 42 is positioned in the opening of the lifting hook 2, and the length of the blocking section 42 is larger than the width of the opening of the lifting hook 2; the unhooking mechanism 4 is preferably an integral structure, namely the connecting part 41, the blocking section 42 and the rotating section 43 are integrally formed or welded into a whole, so that the position relationship among the components, particularly the angle relationship between the blocking section 42 and the rotating section 43, can be kept constant;
the lifting mechanism is arranged on the outer side of the shell in the pulley block 1; the lifting mechanism comprises a lifting rod 5 which slides linearly in the vertical direction and a power device 6 which drives the lifting rod 5 to slide, and the work of the power device 6 is controlled by remote control;
the connecting rope 7 has one end tied to the lifting rod 5 and the other end tied to the end of the rotating section 43 remote from the connecting portion 41.
The specific working principle of the device is as follows: in a normal state, the lifting rod 5 in the lifting mechanism is at the lowest position, at the moment, in the unhooking prevention mechanism 4, the rotating section 43 rotates to the lowest point under the action of gravity, so that the blocking section 42 rotates to the opening of the lifting hook 2, the blocking section 42 can block the opening of the lifting hook 2 because the length of the blocking section 42 is larger than the opening width of the lifting hook 2, at the moment, when an object is hung on the lifting hook 2 from the outer side, the blocking section 42 can be pushed inwards, the opening of the lifting hook 2 is blocked again under the influence of the rotation of the rotating section 43 after the object enters the opening of the lifting hook 2, at the moment, if the object is about to be separated from the lifting hook 2 from the opening, the blocking section 42 is blocked, and the blocking section 42 cannot be pushed outwards because the length of the blocking section 42 is larger than the opening width of the lifting hook 2, so that the unhooking prevention effect is realized; when the article needs to be unloaded, the lifting rod 5 moves upwards, so that the connecting rope 7 pulls the rotating section 43 to rotate upwards, the blocking section 42 rotates into the opening of the lifting hook 2, and finally the opening of the lifting hook 2 is opened, and the article can be taken out from the opening of the lifting hook 2.
Preferably, the length of the rotating section 43 is set to be larger than that of the blocking section 42, so that the driving effect of the rotating section 43 on the blocking section 42 is more obvious, and the normal operation of the device is ensured.
As a structure of the lifting mechanism, as shown in fig. 2, the power device 6 can be an electromagnet, an oil cylinder or a cylinder, the parts are all directly available and used telescopic power pieces in the market, the manufacturing difficulty of the device can be reduced, a rod piece moving in the telescopic power pieces can be directly used as a lifting rod 5, or the lifting rod 5 is connected with the rod piece moving in the telescopic power pieces, so that the lifting rod 5 can slide up and down; the power device 6 preferably selects an extension electromagnet, and the extension function can be realized only by electrifying the extension electromagnet, so that the remote control of the extension electromagnet can be realized only by leading out wires, and the structure of the device can be further simplified. Under this elevating system structure, lifter 5 bottom preferably sets up stopper 51 to cover establishes spring 8 on lifter 5, with spring 8 setting up between stopper 51 and power device 6, then the in-process spring 8 that lifter 5 risees can be compressed, after the rising power that power device 6 provided lifter 5 was released, spring 8 can promote lifter 5 and reset fast, and avoid the mutual card to die between lifter 5 or power device 6's the part and lead to lifter 5 unable decline, guarantee the normal use of device, connecting rope 7 also preferably is tied in stopper 51 below this moment, avoid connecting rope 7 to wind into in the spring 8.
Preferably, the lifting mechanism further comprises a remote controller, the power device 6 is remotely controlled by the remote controller, and the remote controller is a conventional remote controller capable of remotely controlling the telescopic electromagnet, the telescopic cylinder or the telescopic cylinder in the prior art.
As another structure of the lifting mechanism, as shown in fig. 3, a rack structure may be disposed on the lifting rod 5, the power device 6 is configured to include a motor and a transmission gear, the motor drives the transmission gear to rotate, the transmission gear is meshed with the rack structure, and the lifting rod 5 can be driven to move up and down by controlling the forward and backward rotation of the motor. Preferably, the lifting mechanism further comprises a remote controller, the motor is remotely controlled by the remote controller, and the remote controller is a conventional remote controller capable of remotely controlling the motor in the prior art.
In order to facilitate the disassembly and assembly of the device, a magnetic seat can be arranged on the lifting mechanism, the magnetic seat is also a part which can be directly purchased in the market, and the lifting mechanism can generate magnetism and be adsorbed on a cast iron component in an opened state, so that the lifting mechanism can be quickly installed on the pulley block 1 through the magnetic seat, the lifting mechanism can be quickly removed from the pulley block 1 by closing the magnetic seat, and the installation of the lifting mechanism can be realized without damaging the shell structure of the pulley block 1.
The foregoing has outlined and described the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a but hoist lifting hook unhook device of remote control, includes pulley block (1) on the wire rope of hoist, and with lifting hook (2) that pulley block (1) are connected, its characterized in that still includes:
the connecting block (3) is fixedly arranged at the opening of the lifting hook (2);
an unhooking prevention mechanism (4) comprising a connecting part (41), a blocking section (42) and a rotating section (43); the connecting part (41) is hinged with the connecting block (3); the blocking section (42) and the rotating section (43) are arranged on two sides of the connecting part (41), one end of the blocking section (42) is fixedly connected with the connecting part (41), and one end of the rotating section (43) is fixedly connected with the connecting part (41); the blocking section (42) is positioned in the opening of the lifting hook (2), and the length of the blocking section (42) is larger than the width of the opening of the lifting hook (2);
the lifting mechanism is arranged at the outer side of the pulley block (1); the lifting mechanism comprises a lifting rod (5) which slides linearly in the vertical direction and a power device (6) which drives the lifting rod (5) to slide;
and a connecting rope (7) having one end tied to the lifting rod (5) and the other end tied to the end of the rotating section (43) away from the connecting part (41).
2. The remotely controllable crane hook unhooking apparatus of claim 1, wherein the connection (41), the blocking section (42) and the rotating section (43) are of unitary construction.
3. The remotely controllable crane hook unhooking apparatus of claim 1, wherein the length of the swivel segment (43) is greater than the length of the blocking segment (42).
4. The remotely controllable crane hook unhooking prevention device according to claim 1, wherein the power device (6) in the lifting mechanism is a telescopic electromagnet, a telescopic cylinder or a telescopic cylinder.
5. The remotely controllable crane hook unhooking-preventing device according to claim 4, wherein a limiting block (51) is arranged at the bottom end of the lifting rod (5); the lifting mechanism further comprises a spring (8) which is sleeved on the lifting rod (5) and is positioned between the limiting block (51) and the power device (6).
6. The remotely controllable crane hook unhooking apparatus according to claim 5, characterized in that the connecting rope (7) is tied under the stopper (51).
7. The remote-controlled crane hook unhooking-preventing device according to claim 1, wherein a rack structure is arranged on the lifting rod (5), the power device (6) comprises a motor and a transmission gear, the motor drives the transmission gear to rotate, and the transmission gear is meshed with the rack structure.
8. The remotely controllable crane hook unhooking apparatus of claim 1, wherein the lifting mechanism further comprises a magnetic mount, the lifting mechanism being mounted on the pulley block (1) by means of the magnetic mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321560071.8U CN220011869U (en) | 2023-06-19 | 2023-06-19 | Remote-controlled crane hook unhooking prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321560071.8U CN220011869U (en) | 2023-06-19 | 2023-06-19 | Remote-controlled crane hook unhooking prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220011869U true CN220011869U (en) | 2023-11-14 |
Family
ID=88683078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321560071.8U Active CN220011869U (en) | 2023-06-19 | 2023-06-19 | Remote-controlled crane hook unhooking prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220011869U (en) |
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2023
- 2023-06-19 CN CN202321560071.8U patent/CN220011869U/en active Active
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