CN217172966U

CN217172966U - Crane hook

Info

Publication number: CN217172966U
Application number: CN202123294245.4U
Authority: CN
Inventors: 王璐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-26
Filing date: 2021-12-26
Publication date: 2022-08-12
Anticipated expiration: 2031-12-26

Abstract

The utility model discloses a crane hook, including the lifting hook body, the surface of lifting hook body articulates there is the stopper, the one end fixedly connected with fixed block of lifting hook body, spacing hole has been seted up to the inside of fixed block, the top threaded connection of fixed block has fixing bolt, movable chamber has been seted up to the one end of stopper, one side of stopper is rotated and is connected with the dwang, the one end fixedly connected with handle of dwang, the first bevel gear of other end fixedly connected with of dwang, the surface toothing of first bevel gear is connected with second bevel gear, and the bottom in movable chamber is rotated and is connected with the lead screw. The device realizes the closing fixation of the lifting hook, thereby improving the stability of the lifting hook when the lifting hook is lifted to an object, preventing the lifting hook from falling off when in use, improving the safety of the lifting hook when in use, reducing the potential safety hazard, and improving the practicability of the lifting hook when in use.

Description

Crane hook

Technical Field

The utility model belongs to the technical field of hoisting equipment, concretely relates to crane hook.

Background

The crane hook is an important component of a crane, is a part for the crane to lift goods, and is a common lifting appliance in hoisting machinery. The lifting hook is usually hung on a steel wire rope of the lifting mechanism by means of a pulley block and other parts and is divided into a single hook and a double hook according to the shape; the manufacturing method is divided into a forging lifting hook and a laminated lifting hook.

The existing crane hook mostly pushes the stop block to close the hook through the spring, but the spring pushes the stop block to close, so that potential safety hazards exist, and the hook is prone to falling off when in use, so that the stability and the safety of the hook are reduced when the hook is used for objects, and then the practicability of the hook is reduced when the hook is used.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a crane hook has realized through the device that it is fixed to carry out the closure to the lifting hook to improve this stability when hanging the object of lifting hook, prevent that the lifting hook from taking place the obscission when using, thereby improve the security of lifting hook when using, and reduced the potential safety hazard, improve the practicality of lifting hook when using then.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a crane hook, includes the lifting hook body, the surface of lifting hook body articulates there is the stopper, the one end fixedly connected with fixed block of lifting hook body, spacing hole has been seted up to the inside of fixed block, the top threaded connection of fixed block has fixing bolt, the activity chamber has been seted up to the one end of stopper, one side of stopper is rotated and is connected with the dwang, the one end fixedly connected with handle of dwang, the first bevel gear of other end fixedly connected with of dwang, the surface engagement of first bevel gear is connected with second bevel gear, the bottom in activity chamber is rotated and is connected with the lead screw, the top threaded connection of lead screw has the thread block.

As a preferred technical scheme of the utility model, the other end fixedly connected with of lifting hook body connects the chamber, the top block of connecting the chamber is connected with the connecting block, the both sides of connecting the chamber all run through and are connected with the pull rod, the card hole has been seted up to the surface of connecting block, the surface of pull rod is provided with the spring, the top fixedly connected with fixture block of pull rod.

As an optimized technical proposal of the utility model, the outer surface cover of the handle is provided with an anti-skid sleeve, and the outer surface of the anti-skid sleeve is provided with a thread groove.

As a preferred technical scheme of the utility model, fixing bolt's surface is provided with the rubber pad, and the antislip strip has been seted up to the rubber pad surface.

As a preferred technical scheme of the utility model, activity chamber and screw thread piece are sliding connection, and the inside width in activity chamber and the width looks adaptation of screw thread piece.

As a preferred technical scheme of the utility model, one side of spring and the inner wall fixed connection who is connected the chamber, the opposite side of spring and one side fixed connection of fixture block.

As an optimized technical scheme of the utility model, the top of a fixture block sets up to the recess, and the top of another fixture block sets up to the lug.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. by arranging the limiting block, the fixing block, the limiting hole, the fixing bolt, the handle, the rotating rod, the first bevel gear, the second bevel gear, the lead screw, the movable cavity and the thread block, the device realizes the closing and fixing of the lifting hook, thereby improving the stability of the lifting hook when the lifting hook lifts an object, preventing the lifting hook from falling off when in use, improving the safety of the lifting hook when in use, reducing the potential safety hazard and further improving the practicability of the lifting hook when in use;

2. through setting up connection chamber, connecting block, card hole, pull rod, spring, fixture block, realized carrying out convenient installation and quick dismantlement to the lifting hook through the device to the lifting hook that leads to wearing and tearing to long-time the use is changed, thereby improves the work efficiency of operator's maintenance, improves the practicality when the lifting hook uses then.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional front view of the present invention;

fig. 3 is an enlarged view of the structure at a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of the structure at B of fig. 2 according to the present invention.

Wherein: 1. a hook body; 2. a limiting block; 3. a fixed block; 4. a limiting hole; 5. fixing the bolt; 6. a grip; 7. rotating the rod; 8. a first bevel gear; 9. a second bevel gear; 10. a screw rod; 11. a movable cavity; 12. a thread block; 13. a connecting cavity; 14. connecting blocks; 15. clamping holes; 16. a pull rod; 17. a spring; 18. and (7) clamping blocks.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

The embodiment is as follows:

as shown in fig. 1, 2 and 3, a crane hook comprises a hook body 1, wherein a limiting block 2 is hinged to the outer surface of the hook body 1, one end of the hook body 1 is fixedly connected with a fixed block 3, a limiting hole 4 is formed in the fixed block 3, a fixing bolt 5 is in threaded connection with the top of the fixed block 3, a movable cavity 11 is formed in one end of the limiting block 2, one side of the limiting block 2 is rotatably connected with a rotating rod 7, one end of the rotating rod 7 is fixedly connected with a handle 6, the other end of the rotating rod 7 is fixedly connected with a first bevel gear 8, the outer surface of the first bevel gear 8 is in meshed connection with a second bevel gear 9, the bottom of the movable cavity 11 is rotatably connected with a lead screw 10, and the top end of the lead screw 10 is in threaded connection with a threaded block 12;

when the crane hook is operated, the handle 6 is manually rotated, the rotating rod 7 is driven to rotate when the fixing bolt 5 rotates, the first bevel gear 8 is driven to rotate when the rotating rod 7 rotates, the first bevel gear 8 is meshed with the second bevel gear 9, the second bevel gear 9 is driven to rotate when the first bevel gear 8 rotates, the screw rod 10 is driven to rotate when the second bevel gear 9 rotates, the movable cavity 11 is in sliding connection with the thread block 12 and limited by the limiting block 2, the thread block 12 is driven to rotate when the screw rod 10 rotates, the thread block 12 is driven to linearly move when the screw rod 10 rotates due to the limitation of the thread block 12, the thread block 12 is closed with the limiting hole 4 when the thread block 12 moves, the top of the thread block 12 is fixed by rotating the fixing bolt 5, and the hook body 1 is closed and fixed by the device, and improve the stability of lifting hook body 1 when hanging the object, prevent that lifting hook body 1 from taking place the obscission when using to improve the security of lifting hook body 1 use, reduced the potential safety hazard, improve the practicality of lifting hook when using then.

In other embodiments, as shown in fig. 1, 2 and 4, the other end of the hook body 1 is fixedly connected with a connecting cavity 13, the top of the connecting cavity 13 is connected with a connecting block 14 in a clamping manner, two sides of the connecting cavity 13 are both connected with a pull rod 16 in a penetrating manner, a clamping hole 15 is formed in the outer surface of the connecting block 14, a spring 17 is arranged on the outer surface of the pull rod 16, and a clamping block 18 is fixedly connected to the top end of the pull rod 16;

when the lifting hook body 1 is connected with a crane, the operation is complicated, the two clamping blocks 18 are separated by pulling the pull rods 16 at the two sides of the connecting cavity 13, when the connecting cavity 13 is pulled to separate the connecting cavity 13 from the connecting block 14, the hook body 1 and the crane can be disassembled, and during installation, the connecting block 14 is inserted into the connecting cavity 13 to be clamped with the connecting cavity 13, when the pull rod 16 is released, the two clamping blocks 18 are clamped in the clamping holes 15 under the elastic deformation of the spring 17, thereby realizing the fixation of the connecting block 14 and the installation of the lifting hook body 1, realizing the convenient installation and the quick disassembly of the lifting hook body 1 through the device, so as to change the lifting hook body 1 of long-time use, thereby improve the work efficiency of operator's maintenance, improve the practicality when the lifting hook uses then.

In other embodiments, as shown in fig. 1, 2 and 3, an anti-slip sleeve is sleeved on the outer surface of the grip 6, and a thread groove is formed on the outer surface of the anti-slip sleeve;

through setting up anti-skidding cover to stability when improving the handle 6 and use, and the frictional force of improving handle 6 makes handle 6 rotate more stably.

In other embodiments, as shown in fig. 1 and 2, a rubber pad is disposed on an outer surface of the fixing bolt 5, and an anti-slip strip is disposed on an outer surface of the rubber pad; through setting up the rubber pad to rotate fixing bolt 5, play the antiskid effect.

In other embodiments, as shown in fig. 1 and fig. 2, the movable cavity 11 is slidably connected to the screw block 12, and the inner width of the movable cavity 11 is adapted to the width of the screw block 12;

the screw block 12 is limited so as to drive the screw block 12 to move linearly when the screw rod 10 rotates.

In other embodiments, as shown in fig. 2 and 4, one side of the spring 17 is fixedly connected with the inner wall of the connecting cavity 13, and the other side of the spring 17 is fixedly connected with one side of the latch 18;

the latch 18 is pushed by the spring 17 through the elastic deformation of the spring 17, so that the latch 18 is more firmly engaged with the latch hole 15.

In other embodiments, as shown in fig. 2 and 4, the top end of one latch 18 is provided with a groove, and the top end of the other latch 18 is provided with a bump;

through setting up lug and recess to improve more stable of fixture block 18 and connecting block 14 block, thereby make lifting hook body 1 be connected more firmly with connecting block 14.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A crane hook, comprising a hook body (1), characterized in that: the outer surface of the lifting hook body (1) is hinged with a limiting block (2), one end of the lifting hook body (1) is fixedly connected with a fixing block (3), a limit hole (4) is arranged inside the fixed block (3), the top of the fixed block (3) is connected with a fixed bolt (5) through a thread, one end of the limiting block (2) is provided with a movable cavity (11), one side of the limiting block (2) is rotatably connected with a rotating rod (7), one end of the rotating rod (7) is fixedly connected with a handle (6), the other end of the rotating rod (7) is fixedly connected with a first bevel gear (8), the outer surface of the first bevel gear (8) is engaged with a second bevel gear (9), the bottom of the movable cavity (11) is rotatably connected with a screw rod (10), and the top end of the screw rod (10) is in threaded connection with a thread block (12).

2. A crane hook as claimed in claim 1, wherein: the other end fixedly connected with of lifting hook body (1) connects chamber (13), the top block of connecting chamber (13) is connected with connecting block (14), the both sides of connecting chamber (13) all through connection have pull rod (16), card hole (15) have been seted up to the surface of connecting block (14), the surface of pull rod (16) is provided with spring (17), the top fixedly connected with fixture block (18) of pull rod (16).

3. A crane hook as claimed in claim 1, wherein: the outer surface of the handle (6) is sleeved with an anti-slip sleeve, and the outer surface of the anti-slip sleeve is provided with a thread groove.

4. A crane hook as claimed in claim 1, wherein: the outer surface of the fixing bolt (5) is provided with a rubber pad, and the outer surface of the rubber pad is provided with an anti-slip strip.

5. A crane hook as claimed in claim 1, wherein: the movable cavity (11) is in sliding connection with the thread block (12), and the inner width of the movable cavity (11) is matched with the width of the thread block (12).

6. A crane hook as claimed in claim 2, wherein: one side of the spring (17) is fixedly connected with the inner wall of the connecting cavity (13), and the other side of the spring (17) is fixedly connected with one side of the clamping block (18).

7. A crane hook as claimed in claim 2, wherein: the top end of one fixture block (18) is provided with a groove, and the top end of the other fixture block (18) is provided with a convex block.