CN213923751U

CN213923751U - Lifting hook for hoisting equipment

Info

Publication number: CN213923751U
Application number: CN202022161610.3U
Authority: CN
Inventors: 张亚峰; 王云; 梁甫仁
Original assignee: Pangang Group Panzhihua Steel and Vanadium Co Ltd
Current assignee: Pangang Group Panzhihua Steel and Vanadium Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-08-10
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a lifting hook especially discloses a lifting hook for hoisting equipment, belongs to hoisting equipment annex manufacturing and designing technical field. The lifting hook for the hoisting equipment is convenient to operate and good in anti-slipping effect. The lifting hook comprises a hook body and a connecting mechanism, wherein the hook body is movably arranged at the power output end of the hoisting equipment through the connecting mechanism, the lifting hook further comprises a gravity self-locking device, and the open hook inlet of the hook body is closed through the gravity self-locking device.

Description

Lifting hook for hoisting equipment

Technical Field

The utility model relates to a lifting hook especially relates to a lifting hook for hoisting equipment, belongs to hoisting equipment annex manufacturing and designing technical field.

Background

The existing anti-drop lifting hook has the following defects: 1. when the sling of the lifting appliance is hung or dismounted, the anti-falling hook part needs to be manually opened, so that the requirements on driver operation, ground operators and the like are high, and the operability is poor; 2. the trunnions of some lifting appliances are large in size, the spring-type anti-falling hook piece cannot reset, so that the anti-falling working capacity is lost, and the universality is poor; 3. the thin steel plate and the spring adopted by the anti-disengaging piece are low in strength, easy to damage and lose working capacity in the using process, high in fault occurrence frequency, wide in point and wide, and great in maintenance and repair workload, and great potential safety hazards are caused to ground personnel and equipment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the lifting hook for the hoisting equipment is convenient to operate and good in anti-slipping effect.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a lifting hook for hoisting equipment, includes coupler body and coupling mechanism, the coupler body pass through coupling mechanism movable arrange on hoisting equipment's power take off, the lifting hook still include gravity self-lock device, the open hook entry of coupler body passes through gravity self-lock device seal.

Furthermore, the gravity self-locking device comprises a mounting frame and a gravity locking structure, the mounting frame is detachably and fixedly arranged on the hook body handle above the hook inlet, and the top of the gravity locking structure is hinged to the mounting frame; in the locking process, the gravity locking structure hinged on the mounting frame seals the hook inlet under the cooperation of self gravity.

The preferred mode of above-mentioned scheme is, the mounting bracket include clamp, coupling assembling and fixed subassembly, the clamp pass through fixed subassembly detachable adorn admittedly on the hook body handle of hook entry top, gravity locking structure's top is passed through coupling assembling articulate the clamp on.

Furthermore, the fixing component is a fixing bolt, a fixing screw hole is formed in the opening of the clamp, and the clamp is detachably and fixedly arranged on the hook body handle above the hook inlet through a bolt in the fixing screw hole in a penetrating mode.

The preferred mode of above-mentioned scheme is that coupling assembling include at least a set of connecting bolt, gravity locking structure's top through each group the connecting bolt articulate on the clamp.

Furthermore, the gravity locking structure comprises at least one triangular locking plate, a hinge hole is arranged on the inner side of one vertex of the triangular locking plate, and an inward concave avoidance arc is arranged on the edge opposite to the hinge hole; the triangular locking plate movably arranged on the mounting frame through the hinge hole seals the open hook inlet of the hook body through a locking line formed by the short edge and the avoiding arc under the coordination of self gravity.

The preferred mode of the above scheme is that the two triangular locking plates are provided, the gravity locking structure further comprises a connecting rod and a limit adjusting assembly, the connecting rod is arranged on the inner side of the vertex where the short sides of the two triangular locking plates are connected with the avoiding arc, the limit adjusting assembly is detachably arranged on the inner side of the vertex where the long sides of the two triangular locking plates are connected with the avoiding arc, the two triangular locking plates are respectively arranged on two sides of the hook body through respective hinge holes, and the positions of the locking vertex of the two triangular locking plates connected through the connecting rod and the hook inlet are adjusted through the limit adjusting assembly.

Furthermore, the limiting adjustment assembly comprises a connecting mounting plate and an adjusting bolt, the adjusting bolt is arranged on the inner side of the vertex where the long edges of the two triangular locking plates are connected with the arc through the connecting mounting plate, and the positions of the locking vertex and the hook inlet are adjusted through the hook body at the corresponding position of the adjusting bolt in a jacking mode.

The utility model has the advantages that: this application uses coupler body and coupling mechanism as the basis, combines the coupler body pass through coupling mechanism activity arrange the structural feature on hoisting equipment's power take off end, set up gravity self-lock device through the increase and realize that the open hook entry of coupler body passes through gravity self-lock device confined purpose. Like this, because the self-locking structure is taken off in antiskid of this application lifting hook relies on self gravity to realize the confined of the open hook entry of coupler body, does not need operating personnel to carry out the manual operation completely and opens and close, and especially driver's operation does not have the requirement completely with ground operating personnel station etc. and it is very convenient to operate, even when the gudgeon size of hoist is great, the realization locking that also can be fine has guaranteed the antiskid and has taken off the effect.

Drawings

Fig. 1 is a schematic structural view of a hook for a hoisting device according to the present invention.

Labeled as: the hook comprises a hook body 1, a connecting mechanism 2, a gravity self-locking device 3, a hook inlet 4, a mounting frame 5, a gravity locking structure 6, a hook body handle 7, a hoop 8, a connecting assembly 9, a fixing assembly 10, a hinge hole 11, an avoiding arc 12, a connecting rod 13, a limiting adjusting assembly 14, a connecting mounting plate 15 and an adjusting bolt 16.

Detailed Description

As shown in figure 1, the utility model provides a lifting hook for hoisting equipment, which is convenient to operate and has good anti-slip effect. The lifting hook comprises a hook body 1 and a connecting mechanism 2, the hook body 1 is movably arranged on the power output end of the hoisting equipment through the connecting mechanism 2, the lifting hook further comprises a gravity self-locking device 3, and an open hook inlet 4 of the hook body 1 is closed through the gravity self-locking device 3. This application uses coupler body and coupling mechanism as the basis, combines the coupler body pass through coupling mechanism activity arrange the structural feature on hoisting equipment's power take off end, set up gravity self-lock device through the increase and realize that the open hook entry of coupler body passes through gravity self-lock device confined purpose. Like this, because the self-locking structure is taken off in antiskid of this application lifting hook relies on self gravity to realize the confined of the open hook entry of coupler body, does not need operating personnel to carry out the manual operation completely and opens and close, and especially driver's operation does not have the requirement completely with ground operating personnel station etc. and it is very convenient to operate, even when the gudgeon size of hoist is great, the realization locking that also can be fine has guaranteed the antiskid and has taken off the effect.

In the above embodiment, in order to adapt to the characteristic that the structure of the lifting hook of the hoisting equipment is relatively small, belongs to a load-bearing member, and also requires a certain anti-slip capability, the gravity self-locking device 3 described in the present application includes a mounting frame 5 and a gravity locking structure 6, the mounting frame 5 is detachably and fixedly mounted on a hook body handle 7 above a hook inlet 4, and the top of the gravity locking structure 6 is hinged on the mounting frame 5; in the locking process, the gravity locking structure 6 hinged on the mounting frame 5 closes the hook inlet 4 under the coordination of self gravity. At this moment, in order to facilitate the assembly and disassembly of follow-up maintenance, mounting bracket 5 include clamp 8, coupling assembling 9 and fixed subassembly 10, clamp 8 pass through fixed subassembly 10 detachable adorn admittedly on hook body handle 7 of hook 4 top, the top of gravity locking structure 6 is passed through coupling assembling 9 articulate clamp 8 on. Correspondingly, the fixing component 10 is preferably a fixing bolt, a fixing screw hole is arranged at the opening of the clamp 8, and the clamp 8 is detachably and fixedly arranged on the hook body handle 7 above the hook inlet 4 through a bolt which is penetrated in the fixing screw hole. The connecting assembly 9 preferably comprises at least one set of connecting bolts, by means of which the top of the gravity locking mechanism 6 is articulated to the clamping band 8.

Further, as a relatively important part of the gravity self-locking device 3, the gravity locking structure 6 is set to be a structure comprising at least one triangular locking plate, a hinge hole 11 is formed in the inner side of one vertex of the triangular locking plate, and an inward concave avoidance arc 12 is formed on the edge opposite to the hinge hole 11; the triangular locking plate movably arranged on the mounting frame 5 through the hinge hole 11 seals the hook inlet 4 opened by the hook body through a locking line formed by the short side and the avoidance arc 12 under the coordination of self gravity. Meanwhile, in order to improve the locking effect, the two triangular locking plates are provided, the gravity locking structure 6 further comprises a connecting rod 13 and a limit adjusting component 14, the connecting rod 13 is arranged on the inner side of the vertex where the short sides of the two triangular locking plates are connected with the avoiding arc 12, the limit adjusting component 14 is detachably arranged on the inner side of the vertex where the long sides of the two triangular locking plates are connected with the avoiding arc 12, the two triangular locking plates are respectively arranged on the two sides of the hook body 1 through respective hinge holes 11, and the positions of the locking vertex of the two triangular locking plates connected through the connecting rod 13 and the hook inlet 4 are adjusted through the limit adjusting component 14. At this time, the limit adjusting assembly 14 includes a connecting mounting plate 16 and an adjusting bolt 16, the adjusting bolt 16 is arranged on the inner side of the vertex where the long sides of the two triangular locking plates are connected with the avoiding arc 12 through the connecting mounting plate 15, and the positions of the locking vertex and the hook inlet 4 are adjusted by pushing the hook body 1 at the corresponding position through the adjusting bolt 16.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

According to the condition of the existing dismounting and mounting working process of the crane sling rigging, the gravity center and the rotation center of the device are not overlapped; the thickness of the steel plate is increased, so that the strength of the device is improved; the locking angle can be adjusted by adding the adjusting device, the universal type can be increased, and the parts are standardized, so that the installation, maintenance and replacement are more convenient. The working principle is illustrated as follows: the device rotates under the action of no external force to realize automatic locking by utilizing the misalignment of the gravity center and the rotation center of the device.

Example one

The steel plate is used for manufacturing the mousing-hook main body, the sizes of the hook size determination devices used on site are selected according to crane standards, the anti-mousing-hook main body is suitable for various types of hooks, a hoop installation mode is adopted, the strength and the organization structure of the hooks are not damaged, and the general type is improved.

Adopt this application structure lifting hook's advantage: the anti-unhooking device needs to be manually opened when the sling rigging is dismounted, so that the operation difficulty of a driver is reduced; after the lock is opened, the self weight is utilized to restore the locking position; the strength of the device is improved by adopting the 8mm rear steel plate, and the service life and the reliability of the device are improved; the parts are standardized, so that the installation, maintenance and replacement are more convenient. The improvement realizes the improvement of the general type of the unhooking prevention device, prolongs the service life, improves the reliability, improves the operability and increases the safety.

Claims

1. A lifting hook for hoisting equipment, comprising a hook body (1) and a connecting mechanism (2), wherein the hook body (1) is movably arranged on the power output end of the hoisting equipment through the connecting mechanism (2), and the lifting hook is characterized in that: the lifting hook also comprises a gravity self-locking device (3), an open hook inlet (4) of the hook body (1) is closed by the gravity self-locking device (3),

the gravity self-locking device (3) comprises a mounting frame (5) and a gravity locking structure (6), the mounting frame (5) is detachably and fixedly arranged on a hook body handle (7) above the hook inlet (4), and the top of the gravity locking structure (6) is hinged to the mounting frame (5); in the locking process, the gravity locking structure (6) hinged on the mounting rack (5) closes the hook inlet (4) under the coordination of self gravity,

the mounting rack (5) comprises a clamp (8), a connecting assembly (9) and a fixing assembly (10), the clamp (8) is fixedly arranged on a hook body handle (7) above the hook inlet (4) through the fixing assembly (10) in a detachable manner, the top of the gravity locking structure (6) is hinged on the clamp (8) through the connecting assembly (9),

the gravity locking structure (6) comprises two triangular locking plates, a hinge hole (11) is formed in the inner side of one vertex of each triangular locking plate, and an inward concave avoidance arc (12) is arranged on the edge opposite to the hinge hole (11); a triangular locking plate movably arranged on the mounting rack (5) through a hinge hole (11) seals the open hook inlet (4) of the hook body through a locking line formed by a short side and an avoidance arc (12) under the coordination of self gravity,

the gravity locking structure (6) further comprises a connecting rod (13) and a limiting adjustment assembly (14), the connecting rod (13) is arranged on the inner side of a vertex of which the short side of the two triangular locking plates is connected with the avoidance arc (12), the limiting adjustment assembly (14) is detachably arranged on the inner side of a vertex of which the long side of the two triangular locking plates is connected with the avoidance arc (12), the two triangular locking plates are respectively arranged on two sides of the hook body (1) through respective hinge holes (11), and the locking vertex of the two triangular locking plates connected through the connecting rod (13) and the position of the hook inlet (4) are adjusted through the limiting adjustment assembly (14).

2. A lifting hook for lifting equipment as claimed in claim 1, wherein: the fixing component (10) is a fixing bolt, a fixing screw hole is formed in an opening of the clamp (8), and the clamp (8) is detachably and fixedly arranged on a hook body handle (7) above the hook inlet (4) through a bolt penetrating into the fixing screw hole.

3. A lifting hook for lifting equipment as claimed in claim 2, wherein: the connecting component (9) comprises at least one group of connecting bolts, and the top of the gravity locking structure (6) is hinged on the clamp (8) through the connecting bolts.

4. A lifting hook for lifting equipment as claimed in claim 1, 2 or 3, wherein: the limiting adjustment assembly (14) comprises a connecting mounting plate (15) and an adjusting bolt (16), the adjusting bolt (16) is arranged on the inner side of a vertex connected with the avoidance arc (12) on the long side of the two triangular locking plates through the connecting mounting plate (15), and the positions of the locking vertex and the hook inlet (4) are adjusted through the hook body (1) at the corresponding position of the adjusting bolt (16) in a jacking mode.