CN214611132U - Anti-drop lifting hook - Google Patents

Abstract

The utility model discloses an anti-drop lifting hook, including the gib head main part, gib head main part upper end hook neck department is provided with the cavity, gib head main part lower extreme is provided with the recess, be provided with the first anticreep device that passes the cavity and locate the second anticreep device in the recess in the gib head main part, first anticreep device includes carousel, counterweight plate, connecting seat, torsional spring and connecting rod, the connecting seat sets up in the hook neck left side of gib head main part, the counterweight plate rotates to be connected on the connecting seat, one end of connecting rod passes the cavity and is connected with the counterweight plate cooperation, the other end of connecting rod links firmly the carousel, still be provided with the torsional spring that is located the cavity on the connecting rod; the second anticreep device includes pull ring, anticreep piece, spring and stay cord, and the spring is fixed to be set up in the bottom surface of recess, and the upper end of spring links firmly can be in the recess gliding anticreep piece from top to bottom, and the lower extreme of anticreep piece passes through the stay cord and is connected with the pull ring that is located gib head main part lower extreme. The utility model discloses the security is strong, and the couple unhook is simple and convenient.

Description

Anti-drop lifting hook

Technical Field

The utility model belongs to the technical field of the lifting hook anticreep technique and specifically relates to an anticreep lifting hook.

Background

At present, in the continuous production process of a steel-making workshop, frequent hooking and unhooking of scrap steel, auxiliary materials and the like are needed for intermittent hoisting, which is a technical problem in the continuous production process. The existing unhooking prevention device consists of a hook head, an unhooking prevention movable plate and a clamping block, wherein the unhooking prevention movable plate is positioned above the clamping block, so that materials and scrap steel are frequently hooked and unhooked during hoisting, certain potential safety hazards exist in the accident of finger injury easily caused, and the influence on the production rhythm is great; in addition, when in operation, both hooking and unhooking are troublesome, time and labor are wasted, and the production efficiency is not improved; in addition, when the lifting hook lifts a heavy object to move, accidents are easily caused and the safety is poor under the condition that the unhooking prevention device is not perfect due to shaking of the heavy object.

Disclosure of Invention

The utility model discloses the technical problem that needs to solve provides the security strong, uses convenient operation, a save time's anticreep lifting hook.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

an anti-drop lifting hook comprises a hook head main body, a cavity is arranged at the hook neck at the upper end of the hook head main body, the lower end of the hook head main body is provided with a groove, the hook head main body is provided with a first anti-falling device which passes through the cavity and a second anti-falling device which is arranged in the groove, the first anti-falling device comprises a rotary table, a counterweight plate, a connecting seat, a torsional spring and a connecting rod, the connecting seat is arranged on the left side of a hook neck of the hook head main body, the weight plate is rotationally connected to the connecting seat, one end of the connecting rod passes through the cavity and is connected with the weight plate in a matching way, the connecting rod rotates to drive the counterweight plate to rotate so as to open and close the opening of the hook head main body, the other end of the connecting rod is fixedly connected with a turntable, and a torsion spring positioned in the cavity is further arranged on the connecting rod so as to realize automatic reset of the counterweight plate;

the second anti-disengaging device comprises a pull ring, an anti-disengaging block, a spring and a pull rope, wherein the spring is fixedly arranged on the bottom surface of the groove, the upper end of the spring is fixedly connected with the anti-disengaging block which can slide up and down in the groove, and the lower end of the anti-disengaging block is connected with the pull ring at the lower end of the hook head main body through the pull rope.

The utility model discloses technical scheme's further improvement lies in: the counterweight plate upper end is provided with two dwang, the opposite side of dwang with the one end of connecting rod is provided with the bevel gear of mutually supporting to make the counterweight plate can realize rotating through rotating the carousel.

The utility model discloses technical scheme's further improvement lies in: the rotary plate is provided with a rotary handle.

The utility model discloses technical scheme's further improvement lies in: and a circular groove is formed at the lower end of the counterweight plate.

The utility model discloses technical scheme's further improvement lies in: the cross-section of anticreep piece is right triangle, the vertical limit of anticreep piece is located the inboard, the hypotenuse of anticreep piece is located the outside.

Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:

adopt the combination of first anticreep device and second anticreep device, strengthened greatly the utility model discloses an anticreep performance adopts the rotation of carousel in addition, realizes the rotation of counterweight plate, easy operation, labour saving and time saving to the accident of tong can not appear, the security is strong.

The cooperation of second anticreep device adoption spring and anticreep piece, when the couple, can press the anticreep piece to the recess in through the gravity of the heavy object self of hoist and mount, the anticreep piece is popped out by the spring afterwards to play the effect of anticreep.

Because be provided with the torsional spring in the cavity, so, under the not atress condition of carousel, because the effect of torsional spring, the balancing weight can keep vertical position always to play the effect of anticreep, and easy and simple to handle.

Drawings

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

FIG. 2 is a schematic structural view of the present invention in an open state;

FIG. 3 is a partial cross-sectional view of the torsion spring of the present invention;

fig. 4 is a partial structural schematic view of the first anti-separation device of the present invention;

fig. 5 is a partial sectional view of the groove of the present invention;

fig. 6 is a schematic structural view of the weight plate of the present invention;

the hook comprises a hook head main body 1, a hook head main body 2, a cavity 3, a groove 4, a rotary table 5, a weight plate 6, a connecting seat 7, a torsion spring 8, a connecting rod 9, a pull ring 10, an anti-falling block 11, a spring 12, a pull rope 13, a rotating rod 14, a bevel gear 15, a rotating handle 16 and a circular groove.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

as shown in fig. 1 and combined fig. 2, an anti-dropping lifting hook comprises a hook head main body 1, wherein a cavity 2 is arranged at the upper end of a hook neck of the hook head main body 1, a groove 3 is arranged at the lower end of the hook head main body 1, a first anti-dropping device which penetrates through the cavity 2 and a second anti-dropping device which is arranged in the groove 3 are arranged on the hook head main body 1, and the anti-dropping of the lifting hook is ensured through the combination of the first anti-dropping device and the second anti-dropping device, so that the anti-dropping effect can be greatly enhanced, and the safety is improved.

As shown in fig. 1 and fig. 3 in combination with fig. 4, the first anti-falling device includes a rotary table 4, a weight plate 5, a connecting seat 6, a torsion spring 7 and a connecting rod 8, the connecting seat 6 is disposed on the left side of the hook neck of the hook head main body 1, the weight plate 5 is rotatably connected to the connecting seat 6, one end of the connecting rod 8 passes through the cavity 2 to be connected with the weight plate 5 in a matching manner, the connecting rod 8 rotates to drive the weight plate 5 to rotate to open and close the opening of the hook head main body 1, the other end of the connecting rod 8 is fixedly connected with the rotary table 4, a rotating handle 15 is disposed on the rotary table 4, and the torsion spring 7 located in the cavity 2 is further disposed on the connecting rod 8 to achieve automatic resetting of the weight plate 5;

as shown in fig. 5, two rotating rods 13 are provided at the upper end of the weight plate 5 to be rotatably connected with the connecting socket 6, and the opposite sides of the rotating rods 13 and one end of the connecting rod 8 are provided with bevel gears 14 which are engaged with each other, so that the weight plate 5 can be rotated by rotating the rotary plate 4; the rotating of the weight plate 5 is realized through the rotation of the rotary table 4, the operation is simple, the efficiency is improved, and the time for hooking and unhooking of staff can be reduced; moreover, the lower end of the weight plate 5 is provided with a circular groove 16 to ensure that the lower end of the weight plate 5 is tightly matched with the hook head main body 1.

As shown in fig. 2 and fig. 6, the second anti-separation device includes a pull ring 9, an anti-separation block 10, a spring 11 and a pull rope 12, the spring 11 is fixedly disposed on the bottom surface of the groove 3, the upper end of the spring 11 is fixedly connected with the anti-separation block 10 capable of sliding up and down in the groove 3, and the lower end of the anti-separation block 10 is connected with the pull ring 9 located at the lower end of the hook head main body 1 through the pull rope 12. Wherein, anticreep piece 10's cross-section is right triangle, and anticreep piece 10's vertical limit is located the inboard, and anticreep piece 10's hypotenuse is located the outside, and vertical limit is located the inboard to play the effect of anticreep, and the hypotenuse is located the outside, then can rely on the gravity of the article that need hoist and mount, presses down anticreep piece 10, after anticreep piece 10, and anticreep piece 10 pops out because of spring 11's elasticity, thereby realizes further anticreep purpose.

Working principle or using method:

the utility model discloses when using, at first through rotating carousel 4, rotate the weight plate 5 to the position as shown in figure 2, then hang into the scrap steel that needs hoist and mount etc. these materials such as scrap steel that need hoist and mount, under the effect of gravity, press down anticreep piece 10 to the more position that leans on the inside that slides, after passing through anticreep piece 10 completely, anticreep piece 10 pops out under the effect of spring 11 in recess 3, at this moment, because the vertical limit of anticreep piece 10 is located the inboard, thereby can play the effect of anticreep; after the couple of the material that needs hoist and mount entered into the position that leans on the inside, the antiport carousel 4, because the existence of the torsion of torsional spring 7, when the antiport carousel 4 this moment, then laborsaving and high-efficient very to make the lower extreme of weight plate 5 and gib head main part 1 closely laminate, with the mesh that realizes the anticreep jointly with anticreep piece 10.

When unhooking needs to be carried out, the rotary disc 4 is still rotated, the balance weight plate 5 is rotated to the position shown in fig. 2, then the pull ring 9 is pulled, the anti-falling block 10 is pulled into the groove 3 through the pull rope 12, so that the anti-falling block of the hook with waste materials is cancelled, at the moment, the hook is taken out, the pull ring 9 is loosened, and the rotary disc 4 is rotated reversely. Not only ensures the safety, but also improves the efficiency of hooking and unhooking.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (5)

1. The utility model provides an anticreep lifting hook, includes gib head main part (1), its characterized in that: a cavity (2) is arranged at the hook neck at the upper end of the hook head main body (1), a groove (3) is arranged at the lower end of the hook head main body (1), and a first anti-falling device penetrating through the cavity (2) and a second anti-falling device arranged in the groove (3) are arranged on the hook head main body (1);

the first anti-falling device comprises a rotary table (4), a weight plate (5), a connecting seat (6), a torsion spring (7) and a connecting rod (8), the connecting seat (6) is arranged on the left side of a hook neck of the hook head main body (1), the weight plate (5) is rotatably connected onto the connecting seat (6), one end of the connecting rod (8) penetrates through the cavity (2) to be matched and connected with the weight plate (5), the connecting rod (8) rotates to drive the weight plate (5) to rotate to open and close an opening of the hook head main body (1), the other end of the connecting rod (8) is fixedly connected with the rotary table (4), and the torsion spring (7) located in the cavity (2) is further arranged on the connecting rod (8) to achieve automatic resetting of the weight plate (5);

the second anti-falling device comprises a pull ring (9), an anti-falling block (10), a spring (11) and a pull rope (12), wherein the spring (11) is fixedly arranged on the bottom surface of the groove (3), the upper end of the spring (11) is fixedly connected with the anti-falling block (10) which can slide up and down in the groove (3), and the lower end of the anti-falling block (10) is connected with the pull ring (9) at the lower end of the hook head main body (1) through the pull rope (12).

2. The anti-drop lifting hook according to claim 1, characterized in that: the utility model discloses a counter weight plate, including counterweight plate (5), counterweight plate (5) upper end is provided with two dwang (13), the opposite side of dwang (13) with the one end of connecting rod (8) is provided with bevel gear (14) of mutually supporting to make counterweight plate (5) can realize rotating through rotating carousel (4).

3. The anti-drop lifting hook according to claim 1, characterized in that: the rotary plate (4) is provided with a rotary handle (15).

4. The anti-drop lifting hook according to claim 1, characterized in that: and a circular groove (16) is formed at the lower end of the counterweight plate (5).

5. The anti-drop lifting hook according to claim 1, characterized in that: the cross-section of anticreep piece (10) is right triangle, the vertical limit of anticreep piece (10) is located the inboard, the hypotenuse of anticreep piece (10) is located the outside.

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