CN212050174U - Lifting hook convenient for unhooking for crane - Google Patents
Lifting hook convenient for unhooking for crane Download PDFInfo
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- CN212050174U CN212050174U CN202020752709.8U CN202020752709U CN212050174U CN 212050174 U CN212050174 U CN 212050174U CN 202020752709 U CN202020752709 U CN 202020752709U CN 212050174 U CN212050174 U CN 212050174U
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- connecting block
- unhooking
- connecting plate
- hook
- seat
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Abstract
The utility model discloses a crane hook convenient for unhooking, which comprises a first connecting block, a second connecting block, a first hinging seat, a second hinging seat, an electric telescopic rod, a pulley and an unhooking prevention mechanism, wherein the unhooking prevention mechanism is arranged on the left side of the hook, the upper end of the first hinging seat is fixedly connected with the lower end of the first connecting block, the lower end of the second hinging seat is fixedly connected with the upper end of the second connecting block, the first hinging seat is hinged with the second hinging seat, the lower end of the second connecting block is provided with a connecting guide column, the lower end of the connecting guide column is provided with a hook, the right end of the hook is provided with a third hinging seat, the right end of the upper side of the first connecting block is provided with the first connecting plate, the lower end of the first hinging plate is provided with a fourth hinging seat, the fixed end of the electric telescopic rod is hinged with the fourth hinging seat, the output end of the electric telescopic rod is hinged with the third hinging seat, the, the lower end of the pulley is connected with the first connecting block through a circular rotating seat; is convenient for reducing manual work and eliminating potential safety hazards.
Description
Technical Field
The utility model relates to a lifting hook especially relates to a lifting hook for hoist convenient to unhook.
Background
A crane hook is one of indispensable parts in a crane and is commonly used for hoisting heavy objects. At present, with the continuous progress of society, the industrial construction of China is continuously developing and progressing, when in industrial production and construction, heavy objects are often required to be moved, in the process of moving the heavy objects, the heavy objects are fixed only by using a steel wire rope, then the steel wire rope fixed with the heavy objects is hung on a lifting hook of a crane through the crane and then moved, and therefore the crane plays a vital role in moving the heavy objects. However, after the existing lifting hook moves the heavy object to the designated position, the heavy object and the lifting hook are usually separated manually, which not only consumes manpower, but also has potential safety hazards. Therefore, there is a need for a crane hook that facilitates unhooking, and when a heavy object is moved to a predetermined position, the heavy object can be automatically separated from the hook, thereby reducing manual work and eliminating potential safety hazards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lifting hook for hoist convenient to unhook removes the heavy object to appointed position after, can make the heavy object break away from with the lifting hook is automatic, reduces manual work, eliminates the potential safety hazard.
The utility model adopts the following technical proposal:
the utility model provides a crane hook convenient for unhooking, which comprises a first connecting block, a second connecting block, a first hinging seat, a second hinging seat, an electric telescopic rod, a hook, a pulley and an unhooking prevention mechanism, wherein the unhooking prevention mechanism is arranged on the left side of the hook, the upper end of the first hinging seat is fixedly connected with the lower end of the first connecting block, the lower end of the second hinging seat is fixedly connected with the upper end of the second connecting block, the lower end of the first hinging seat is hinged with the upper end of the second hinging seat through a hinging shaft, the lower end of the second connecting block is fixedly provided with a connecting guide column, the lower end of the connecting guide column is fixedly connected with the upper end of the hook, the right end of the hook is also fixedly provided with a third hinging seat, the upper right end of the first connecting block is fixedly provided with a first connecting plate, the lower end of the first connecting plate is fixedly provided with a fourth hinging seat, and the fixed end of the electric telescopic rod is hinged, the output end of the electric telescopic rod is hinged to the third hinge seat, the upper end of the first connecting block is fixedly provided with a circular rotating seat, and the lower end of the pulley is connected with the first connecting block through the circular rotating seat.
The fourth hinge seat is fixedly arranged on the right side of the lower end of the first connecting plate, and the fixed end of the electric telescopic rod is arranged in a rightward inclined mode.
The mousing-hook mechanism include slider, threaded rod, second connecting plate, third connecting plate and protection shield, the right-hand member of second connecting plate and the left side lower extreme fixed connection of second connecting block, the fixed drive arrangement that is provided with in upper end of second connecting plate, and drive arrangement's output runs through the upper end fixed connection of second connecting plate and threaded rod, the right-hand member of third connecting plate is fixed to be set up in the lower extreme left side of connecting the guide post, the lower extreme and the third connecting plate of threaded rod rotate to be connected, the left end of slider seted up with threaded rod assorted screw thread through-hole, the right-hand member of slider with be connected guide post sliding connection, the left end of slider passes through the internal connection in external screw thread and the screw thread through-hole on the threaded rod with the threaded rod, the left end of slider.
The left side upper end of lifting hook still seted up the recess, the lower extreme joint of recess and protection shield.
The upper end left and right sides of recess all fixed stopper that is provided with, the inside of recess slides and is provided with the slide, the fixed spring that is provided with of lower extreme of slide, the lower extreme of spring and the bottom fixed connection of recess.
The upper end left and right sides of slide all set up the breach that matches with the stopper.
The driving device adopts a miniature speed reducing motor.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an electric telescopic handle uses with the cooperation between the articulated seat of first articulated seat and second, and the function of getting with automatic unhook is got to the automatic hook that can effectual realization lifting hook, compares with traditional lifting hook, does not need manual work, has practiced thrift the manpower, has eliminated the potential safety hazard, and is further, the utility model discloses still through the setting of mousing-hook mechanism, the effectual unhook of having avoided at the heavy object removal in-process.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of the structure of the part a of the present invention.
Detailed Description
The invention is described in detail below with reference to the following figures and examples:
as shown in figures 1 to 2, the lifting hook for the crane convenient to unhook comprises a first connecting block 1, a second connecting block 2, a first hinged seat 3, a second hinged seat 4, an electric telescopic rod 5, a lifting hook 6, a pulley 7 and an unhooking prevention mechanism, wherein the unhooking prevention mechanism is arranged on the left side of the lifting hook 6, the unhooking prevention mechanism is arranged to prevent a heavy object from being detached from the lifting hook 6 when the crane lifts the heavy object, the upper end of the first hinged seat 3 is fixedly connected with the lower end of the first connecting block 1, the lower end of the second hinged seat 4 is fixedly connected with the upper end of the second connecting block 2, the lower end of the first hinged seat 3 is hinged with the upper end of the second hinged seat 4 through a hinged shaft 8, so that the lifting hook 6 can rotate along the hinged shaft 8 after the heavy object falls to the ground, the lower end of the second connecting block 2 is fixedly provided with a connecting guide column 9, the lower end of the connecting guide column 9 is fixedly connected, the right end of the lifting hook 6 is also fixedly provided with a third hinge base 10, the right end of the upper side of the first connecting block 1 is fixedly provided with a first connecting plate 11, the lower end of the first connecting plate 11 is fixedly provided with a fourth hinge base 12, the fixed end of the electric telescopic rod 5 is hinged with the fourth hinge base 12, the output end of the electric telescopic rod 5 is hinged with the third hinge base 10, the upper end of the first connecting block 1 is also fixedly provided with a circular rotating base 13, so that the lifting hook 6 can rotate under the action of a heavy object when the heavy object is hung, and the lower end of the pulley 7 is connected with the first connecting block 1 through the circular rotating base 13; when the utility model is used, when the lifting hook 6 in the crane needs to hook and take a heavy object, the output end of the electric telescopic rod 5 is only required to be contracted, the lifting hook 6 rotates to the right side by taking the articulated shaft 8 as a circle center under the contraction action of the electric telescopic rod 5, then the lifting hook 6 is moved to the position where the heavy object is located, then the output end of the electric telescopic rod 5 is extended to recover the initial position, and finally the lifting hook 6 can automatically hook and take the heavy object, thereby realizing the automatic hooking and taking of the heavy object by the lifting hook 6; after the heavy object that 6 hooks of lifting hook in the hoist got falls to the ground, because first articulated seat 3 is articulated through articulated shaft 8 with the articulated seat 4 of second, electric telescopic handle 5's output shrink, lifting hook 6 uses articulated shaft 8 to rotate to the right side as the centre of a circle under electric telescopic handle 5's contractile action, thereby make lifting hook 6 break away from with the heavy object, realize automatic unhook, last electric telescopic handle 5's output extension resume initial position can, moreover, the steam generator is simple in structure, and convenient for operation, and manual work has been banned, the potential safety hazard has been eliminated.
The fourth articulates seat 12 and is fixed to be set up in the lower extreme right side of first connecting plate 11, and the stiff end of electric telescopic handle 5 slopes to the right and sets up, and the lifting hook 6 of being convenient for is rotatory along articulated shaft 8 under electric telescopic handle 5's telescopic action.
The unhooking prevention mechanism comprises a sliding block 14, a threaded rod 15, a second connecting plate 16, a third connecting plate 17 and a protective plate 18, the right end of the second connecting plate 16 is fixedly connected with the lower end of the left side of the second connecting block 2, the upper end of the second connecting plate 16 is fixedly provided with a driving device 19 for providing power for the rotation of the threaded rod 15, the driving device 19 is connected with a power supply through an electric wire, the output end of the driving device 19 penetrates through the second connecting plate 16 to be fixedly connected with the upper end of the threaded rod 15, the right end of the third connecting plate 17 is fixedly arranged on the left side of the lower end of the connecting guide post 9, the lower end of the threaded rod 15 is rotatably connected with the third connecting plate 17, the left end of the sliding block 14 is provided with a threaded through hole matched with the threaded rod 15, the right end of the sliding block 14 is slidably connected with the connecting guide post 9, and the left end of, the left end of the sliding block 14 is also provided with a protection plate 18; from the above, after the weight is hooked by the hook 6, after the driving device 19 rotates, the output end of the driving device 19 drives the threaded rod 15 to rotate, so that the slider 14 screwed with the threaded rod 15 moves downwards along the connecting guide rod, the protection plate 18 is further arranged at the left end of the slider 14, the protection plate 18 moves along with the downward movement of the slider 14, and finally the lower end of the protection plate 18 falls on the upper end of the left side of the hook 6, so that the hanging process of the weight is protected by the protection plate 18, the weight falling of the hook 6 in the process of hanging the weight is avoided, after the weight is moved to a specified position, the driving device 19 rotates reversely, the protection plate 18 is driven by the slider 14 to move upwards, the protection of the protection plate 18 in the hanging process of the weight is removed, and then the hook 6 is separated from the weight.
The left upper end of the lifting hook 6 is also provided with a groove 20, the groove 20 is clamped with the lower end of the protection plate 18, and further the unhooking of the heavy object hooked by the lifting hook 6 is prevented.
The left side and the right side of the upper end of the groove 20 are fixedly provided with limiting blocks 21 which are used for limiting the position of the sliding plate 22 and preventing the sliding plate 22 from sliding out of the groove 20, the sliding plate 22 is arranged in the groove 20 in a sliding manner, the lower end of the sliding plate 22 is fixedly provided with a spring 23 which is used for providing elastic force for the upward sliding of the sliding plate 22, and the lower end of the spring 23 is fixedly connected with the bottom end of the groove 20; after the protection plate 18 falls to the groove 20, the sliding plate 22 slides downwards under the action of the gravity of the protection plate 18, the lower end of the protection plate 18 enters the groove 20, the groove 20 and the protection plate 18 are clamped, and the spring 23 is in a compressed state at the moment, so that the heavy object hooked by the hook 6 is further prevented from unhooking; after the protection plate 18 rises to be separated from the groove 20, the spring 23 returns to the initial position, the sliding plate 22 slides upwards to the position of the limiting plate under the action of the spring 23, the groove 20 is protected, and sundries are prevented from falling into the groove 20, so that the protection plate 18 cannot smoothly enter the groove 20.
The upper end left and right sides of slide 22 all sets up the breach that matches with stopper 21.
The driving device 19 adopts a miniature speed reducing motor.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a lifting hook for hoist convenient to unhook which characterized in that: comprises a first connecting block, a second connecting block, a first hinged seat, a second hinged seat, an electric telescopic rod, a lifting hook, a pulley and an anti-unhooking mechanism, wherein the anti-unhooking mechanism is arranged on the left side of the lifting hook, the upper end of the first hinged seat is fixedly connected with the lower end of the first connecting block, the lower end of the second hinged seat is fixedly connected with the upper end of the second connecting block, the lower end of the first hinged seat is hinged with the upper end of the second hinged seat through a hinged shaft, the lower end of the second connecting block is fixedly provided with a connecting guide column, the lower end of the connecting guide column is fixedly connected with the upper end of the lifting hook, the right end of the lifting hook is also fixedly provided with a third hinged seat, the upper side of the first connecting block is fixedly provided with a first connecting plate, the lower end of the first connecting plate is fixedly provided with a fourth hinged seat, the fixed end of the electric telescopic rod is hinged with the fourth hinged seat, and, the upper end of the first connecting block is also fixedly provided with a circular rotating seat, and the lower end of the pulley is connected with the first connecting block through the circular rotating seat.
2. A crane hook facilitating unhooking as claimed in claim 1, wherein: the fourth hinge seat is fixedly arranged on the right side of the lower end of the first connecting plate, and the fixed end of the electric telescopic rod is arranged in a rightward inclined mode.
3. A crane hook facilitating unhooking as claimed in claim 1, wherein: the mousing-hook mechanism include slider, threaded rod, second connecting plate, third connecting plate and protection shield, the right-hand member of second connecting plate and the left side lower extreme fixed connection of second connecting block, the fixed drive arrangement that is provided with in upper end of second connecting plate, and drive arrangement's output runs through the upper end fixed connection of second connecting plate and threaded rod, the right-hand member of third connecting plate is fixed to be set up in the lower extreme left side of connecting the guide post, the lower extreme and the third connecting plate of threaded rod rotate to be connected, the left end of slider seted up with threaded rod assorted screw thread through-hole, the right-hand member of slider with be connected guide post sliding connection, the left end of slider passes through the internal connection in external screw thread and the screw thread through-hole on the threaded rod with the threaded rod, the left end of slider.
4. A crane hook facilitating unhooking as claimed in claim 1, wherein: the left side upper end of lifting hook still seted up the recess, the lower extreme joint of recess and protection shield.
5. A crane hook facilitating unhooking as claimed in claim 4, wherein: the upper end left and right sides of recess all fixed stopper that is provided with, the inside of recess slides and is provided with the slide, the fixed spring that is provided with of lower extreme of slide, the lower extreme of spring and the bottom fixed connection of recess.
6. A crane hook facilitating unhooking as claimed in claim 5, wherein: the upper end left and right sides of slide all set up the breach that matches with the stopper.
7. A crane hook facilitating unhooking as claimed in claim 3, wherein: the driving device adopts a miniature speed reducing motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752709.8U CN212050174U (en) | 2020-05-09 | 2020-05-09 | Lifting hook convenient for unhooking for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020752709.8U CN212050174U (en) | 2020-05-09 | 2020-05-09 | Lifting hook convenient for unhooking for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212050174U true CN212050174U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020752709.8U Active CN212050174U (en) | 2020-05-09 | 2020-05-09 | Lifting hook convenient for unhooking for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212050174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113526336A (en) * | 2021-07-29 | 2021-10-22 | 一汽解放汽车有限公司 | Automatic unhooking lifting appliance |
-
2020
- 2020-05-09 CN CN202020752709.8U patent/CN212050174U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113526336A (en) * | 2021-07-29 | 2021-10-22 | 一汽解放汽车有限公司 | Automatic unhooking lifting appliance |
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