CN212269209U

CN212269209U - Self-locking type lifting hook for crane

Info

Publication number: CN212269209U
Application number: CN202021258542.6U
Authority: CN
Inventors: 李志浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-01-01
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a from locking-type lifting hook for hoist, including the coupler body, install the self-locking mechanism on the coupler body, the coupler body includes integrated into one piece's coupler body and hook point, self-locking mechanism including articulate in the bottom plate on coupler body upper portion, locate the limiting plate on the bottom plate, locate the self-locking piece on the bottom plate along the direction slidable that is close to or keeps away from the limiting plate, both ends connect the elastic component on limiting plate and self-locking piece respectively, the one end that the elastic component was kept away from to the self-locking piece has the hasp, the bottom plate can be worn out to the hasp and the complex is kept out in the. The utility model discloses a from locking-type lifting hook only needs the one hand to press down the hasp and can realize breaking away from of self-locking mechanism and prong, can be convenient after breaking away from take out the object, no longer need last inwards to push away the safety catch, has reduced operator's intensity of labour, does not need the operator too to be close to the lifting hook during concurrent operation, has stopped the potential safety hazard.

Description

Self-locking type lifting hook for crane

Technical Field

The utility model relates to a hoisting machinery loads and unloads the field, concretely relates to from locking-type lifting hook for hoist.

Background

The lifting hook is a common hook structure commonly used in the crane loading and unloading industry and used for hooking a thick steel cable buckle or a hanging strip buckle and lifting objects. The current lifting hook, as shown in fig. 1, generally includes a hook body and a self-locking mechanism hinged on the hook body, the hook body includes a hook body 1 and a hook tip 2, the self-locking mechanism is a safety catch 11, the safety catch 11 can extend from the upper portion of the hook body 1 to the direction of the hook tip 2, and the lower end portion of the safety catch can be abutted against the inner side portion of the hook tip 2, so as to perform a locking function and avoid unhooking of hooked objects.

However, since the safety catch 11 is held against the inner side of the hook tip 2 and cannot rotate towards the outside of the hook tip 2, when taking out an object, one hand must be used to hold the safety catch 11 inwards to separate the safety catch 11 from the hook tip 2, and the other hand is used to take out the object from the gap between the safety catch 11 and the hook tip 2, which is not only inconvenient to operate, but also causes the operator to be too close to the hook during operation, thus causing a safety hazard; meanwhile, the inward pushing of the safety catch 11 needs to reserve a pushing space for the safety catch 11 on the hook body 1, and the pushing space cannot hook objects, so that the hooking amount of the hook is greatly reduced.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, providing a convenient operation, hook volume are big and the effectual self-locking type lifting hook of shutting.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a from locking-type lifting hook for hoist, includes the coupler body, install in self-locking mechanism on the coupler body, the coupler body includes integrated into one piece's coupler body and hook point, self-locking mechanism including articulate in bottom plate on coupler body upper portion, locate limiting plate on the bottom plate, along being close to or keeping away from the direction slidable of limiting plate locates from latch fitting, both ends on the bottom plate connect respectively in the limiting plate with elastic component on the latch fitting, keep away from the latch fitting the one end of elastic component has the hasp, the hasp can be worn out bottom plate and complex are kept out the medial part of hook point.

Preferably, the self-locking piece further comprises a pressing plate connected with the lock catch, and two ends of the elastic piece are respectively connected to the limiting plate and the pressing plate.

Further preferably, the pressing plate is arranged along a length direction perpendicular to the bottom plate and parallel to the limiting plate.

Further preferably, the self-locking mechanism further comprises two sliding grooves respectively arranged on two sides of the bottom plate in the width direction, and two ends of the pressing plate in the width direction of the bottom plate can be respectively clamped and embedded in the two sliding grooves in a matched manner.

Further preferably, the self-locking piece is still including locating the clamp plate is kept away from the guide bar of hasp one side, the guide bar is worn to locate along its axial slidable in the limiting plate.

Still further preferably, the length direction of the guide bar is parallel to the length direction of the base plate.

Still further preferably, the lock catch is of a U-shaped structure, and two guide rods are provided and respectively correspond to two ends of the U-shaped structure of the lock catch.

Still further preferably, the elastic member is a spring, and the guide rod can be axially inserted into the spring.

Still further preferably, the self-locking mechanism further comprises a threaded portion arranged at one end, far away from the pressing plate, of the guide rod and an adjusting piece in threaded connection with the threaded portion, and the adjusting piece is located on one side, far away from the elastic piece, of the limiting plate.

Preferably, the self-locking mechanism further comprises a bolt for connecting the bottom plate to the upper part of the hook body, a nut for locking the bolt, and a torsion spring sleeved on the bolt.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

(1) the lock catch can be separated from the hook tip only by lightly pressing the lock catch, then the bottom plate is pushed outwards to enable the bottom plate to be placed on the outer side portion of the hook tip and no longer have a locking effect, at the moment, an object can be conveniently taken out, the safety catch does not need to be always propped inwards, the operation is convenient, the labor intensity of an operator is reduced, meanwhile, the operation of unlocking and taking out the object can be completed sequentially by only one hand during operation, the operator does not need to be excessively close to the lifting hook, and potential safety hazards are avoided;

(2) after the object is taken out, the lock catch is pressed again and the bottom plate is pushed back towards the hook point, the lock catch can automatically reset and is abutted against the inner side part of the hook point again to realize self-locking, the locking effect is good, and the object is prevented from falling off the lifting hook;

(3) when an object needs to be taken out, the lock catch is pressed, and the bottom plate is pushed outwards towards the hook tip, so that the space for inwards pushing is not required to be reserved on the hook body, and the hook quantity of the lifting hook is effectively improved.

Drawings

FIG. 1 is a schematic diagram of a prior art hook;

fig. 2 is a schematic structural view of a self-locking hook according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a self-locking mechanism in an embodiment of the present invention.

Wherein: 1. hooking the body; 2. hooking a tip; 3. a base plate; 4. a limiting plate; 5. a self-locking member; 51. locking; 52. pressing a plate; 53. a guide bar; 54. a threaded portion; 55. an adjustment member; 6. an elastic member; 7. a chute; 8. a bolt; 9. a nut; 10. a torsion spring; 11. a safety catch.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

The utility model relates to a self-locking mechanism's to crane hook improvement to solve a great deal of problem that current lifting hook exists when getting the put object. The self-locking lifting hook after the improvement only needs to press the hasp gently to realize breaking away from of hasp and hook point, outwards promotes the bottom plate afterwards and makes the bottom plate take in the outside portion of hook point and no longer have the locking effect, can be convenient this moment take out the object, no longer need inwards support the safety lock always, convenient operation has reduced operator's intensity of labour, only need the one hand to accomplish the unblock in proper order and take out the operation of object during the concurrent operation, do not need the operator too to be close to the lifting hook, stopped the potential safety hazard.

Referring to fig. 2, a self-locking hook for a crane is shown, which comprises a hook body and a self-locking mechanism arranged on the hook body, wherein the hook body comprises a hook body 1 and a hook tip 2 which are integrally formed, the hook body 1 is used for hooking an object, and the hook tip 2 is positioned at the lower end part of the hook body 1. As shown in fig. 3, the self-locking mechanism includes a bottom plate 3 hinged on the upper portion of the hook body 1, a limiting plate 4 arranged on the bottom plate 3, a self-locking piece 5 arranged on the bottom plate 3 along the direction slidable close to or far away from the limiting plate 4, and an elastic piece 6 with two ends respectively connected to the limiting plate 4 and the self-locking piece 5, wherein one end of the self-locking piece 5 far away from the elastic piece 6 is provided with a lock catch 51, and the lock catch 51 can penetrate out of the bottom plate 3 and is matched with the inner side portion of the.

In this embodiment, when an object needs to be placed, the object only needs to be directly hooked on the hook, specifically, when the object is hooked, the object can push the bottom plate 3 inwards, the lock catch 51 rotates along with the bottom plate 3 and is separated from the hook tip 2, and at this time, the object can enter the hook body 1 from a gap between the lock catch 51 and the hook tip 2; when the object needs to be taken out, only need press hasp 51 gently, hasp 51 can be towards the direction shrink that is close to bottom plate 3, and after hasp 51 shrink, the tip can't keep out at the inside portion of prong 2 again under bottom plate 3, pushes away bottom plate 3 towards prong 2 outward afterwards, and hasp 51 resets and takes in the outside portion of prong 2, and self-locking mechanism no longer has the locking effect this moment, can be convenient outwards take out the object on coupler body 1.

As shown in fig. 3, the self-locking member 5 further includes a pressing plate 52 connected to the latch 51, and two ends of the elastic member 6 are respectively connected to the limiting plate 4 and the pressing plate 52. Wherein the pressing plate 52 is arranged along the length direction of the vertical bottom plate 3 and is parallel to the limiting plate 4.

The self-locking mechanism further includes two sliding grooves 7 respectively disposed on two sides of the bottom plate 3 in the width direction, and two ends of the pressing plate 52 in the width direction of the bottom plate 3 can be respectively engaged with the two sliding grooves 7.

Here, by the arrangement of the pressing plate 52, the elastic member 6 can be better stressed when the latch 51 is pressed; and the provision of the slide groove 7 enables the sliding of the self-locking member 5 to be smoother.

As shown in fig. 3, the self-locking unit 5 further includes a guide rod 53 disposed on a side of the pressing plate 52 away from the latch 51, and the guide rod 53 is slidably disposed in the limiting plate 4 along an axial direction thereof. Wherein the length direction of the guide bar 53 is parallel to the length direction of the base plate 3. By providing the guide rod 53, the sliding direction of the self-locking member 5 can be ensured. Wherein the elastic member 6 is a spring, and the guide rod 53 can be inserted into the spring along the axial direction thereof.

Preferably, the lock catch 51 has a U-shaped structure, and the two guide rods 53 correspond to two ends of the U-shaped structure of the lock catch 51. Here, there are also two springs, which are respectively fitted over the two guide rods 53. The lock catch 51 of U-shaped structure facilitates the pressing by the operator, and the two corresponding guide rods 53 further ensure the sliding direction of the self-locking piece 5.

As shown in fig. 3, the self-locking mechanism further includes a threaded portion 54 disposed at an end of the guide rod 53 away from the pressing plate 52, and an adjusting member 55 threaded on the threaded portion 54, wherein the adjusting member 55 is located at a side of the stopper plate 4 away from the elastic member 6. Here, the adjusting member 55 is an adjusting nut for adjusting the tightness of the spring.

In this embodiment, the spring needs to be adjusted too loosely or too tightly, and the too loose spring causes too small force on the pressing plate 52, so that the lock catch cannot be effectively abutted against the hook tip 2, and there is a risk of unhooking of an object, at this time, the adjusting nut can be screwed, at this time, the threaded portion 54 drives the guide rod 53 to move upward, and the pressing plate 52 can compress the spring in cooperation with the guide rod;

the too tight spring can lead to pressing the hasp comparatively difficult, can unscrew the adjusting nut this moment, and screw portion 54 drives guide bar 53 and moves down this moment, and guide bar 53 promotes clamp plate 52 and moves down and then pulls the spring, makes the spring become loose.

The self-locking mechanism further comprises a bolt 8 for connecting the bottom plate 3 to the upper part of the hook body 1, a nut 9 for locking the bolt 8, and a torsion spring 10 sleeved on the bolt 8. When the hook object, the object inwards supports and pushes the bottom plate 3, and after the hook is finished, the bottom plate 3 can reset under the action of the torsion spring 10.

The following specifically explains the working process of this embodiment: when an object is placed, the object can push the bottom plate 3 inwards, the lock catch 51 rotates inwards along with the bottom plate 3 and is separated from the hook tip 2, the object can enter the hook body 1 from a gap between the lock catch 51 and the hook tip 2, after the hook is hooked, the bottom plate 3 resets under the action of the torsion spring 10, and the lock catch 51 abuts against the inner side part of the hook tip 2 to form locking;

when taking out the object, press hasp 51 gently, hasp 51 is to the direction shrink that is close to bottom plate 3, later with bottom plate 3 outwards promotion towards hook point 2, can be light outwards take out the object this moment, and the object is taken out the back, presses hasp 51 once more, with bottom plate 3 towards hook point 2 internal pushing, and then the hand is loosened, hasp 51 resets and keeps off at the inside portion of hook point 2 once more, forms the shutting.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a from locking-type lifting hook for hoist, includes the coupler body, install in self-locking mechanism on the coupler body, its characterized in that: the coupler body includes integrated into one piece's coupler body (1) and hook point (2), self-locking mechanism including articulate in bottom plate (3) on coupler body (1) upper portion, locate limiting plate (4) on bottom plate (3), along being close to or keeping away from the direction slidable of limiting plate (4) locates from latch fitting (5), both ends on bottom plate (3) connect respectively in limiting plate (4) with elastic component (6) on from latch fitting (5), keep away from latch fitting (5) the one end of elastic component (6) has hasp (51), hasp (51) can be worn out bottom plate (3) and complex resist the inside portion of hook point (2).

2. The self-locking lifting hook for cranes according to claim 1, characterized in that: from locking part (5) still include with clamp plate (52) that hasp (51) are connected, elastic component (6) both ends connect respectively in limiting plate (4) with on clamp plate (52).

3. The self-locking lifting hook for cranes according to claim 2, characterized in that: the pressing plate (52) is arranged along the length direction vertical to the bottom plate (3) and is parallel to the limiting plate (4).

4. The self-locking lifting hook for cranes according to claim 2, characterized in that: the self-locking mechanism further comprises two sliding grooves (7) which are respectively arranged on two sides of the bottom plate (3) in the width direction, and two ends of the pressing plate (52) in the width direction of the bottom plate (3) can be respectively embedded into the two sliding grooves (7) in a matched manner.

5. The self-locking lifting hook for cranes according to claim 2, characterized in that: from locking part (5) still including locating clamp plate (52) are kept away from guide bar (53) of hasp (51) one side, guide bar (53) are worn to locate along its axial slidable in limiting plate (4).

6. The self-locking lifting hook for cranes according to claim 5, characterized in that: the length direction of the guide rod (53) is parallel to the length direction of the bottom plate (3).

7. The self-locking lifting hook for cranes according to claim 5, characterized in that: the lock catch (51) is of a U-shaped structure, and the two guide rods (53) correspond to the two ends of the U-shaped structure of the lock catch (51) respectively.

8. The self-locking lifting hook for cranes according to claim 5, characterized in that: the elastic piece (6) is a spring, and the guide rod (53) can penetrate through the spring along the axial direction of the guide rod.

9. The self-locking lifting hook for cranes according to claim 5, characterized in that: the self-locking mechanism further comprises a thread part (54) arranged at one end, far away from the pressing plate (52), of the guide rod (53) and an adjusting piece (55) in threaded connection with the thread part (54), wherein the adjusting piece (55) is located on one side, far away from the elastic piece (6), of the limiting plate (4).

10. The self-locking lifting hook for cranes according to claim 1, characterized in that: the self-locking mechanism further comprises a bolt (8) used for connecting the bottom plate (3) to the upper part of the hook body (1), a nut (9) used for locking the bolt (8), and a torsion spring (10) sleeved on the bolt (8).