CN212425131U - Lifting hook with mousing-hook device - Google Patents

Abstract

The utility model relates to a lifting hook technical field. A lifting hook with a unhooking prevention device comprises a hook body, a hook body and a hook rod, wherein the hook body is provided with a hook body and a hook rod which is integrally formed on the upper part of the hook body; the hook body is provided with an anti-unhooking device, and the anti-unhooking device comprises a fixed sleeve, a gravity type movable sleeve, an upper movable arm and a lower movable arm; the fixed cover sets up the lower extreme at the hook stem, gravity type movable sleeve establishes on the hook stem and be located the top of fixed cover, go up the one end of digging arm with gravity type movable sleeve articulates the connection, go up the other end of digging arm with the middle part of digging arm is articulated to be connected down, the link of digging arm down with fixed cover is articulated to be connected, the free end of digging arm is close to the opening that the shank is most advanced and block the shank down. The utility model discloses rational in infrastructure, the security is good, be convenient for installation, long service life.

Description

Lifting hook with mousing-hook device

Technical Field

The utility model relates to a lifting hook technical field, in particular to lifting hook with mousing-hook device.

Background

A hook is one of the most common spreaders in hoisting machinery. If the lifting hook is not provided with the anti-unhooking device, in the hoisting process, a rope or a lifting appliance for hanging heavy objects possibly slips off from the lifting hook to cause rope unhooking phenomenon, equipment damage or casualty accidents are caused, and therefore the lifting hook is mostly matched with the anti-unhooking device for use in construction. The spring baffle anti-disengaging device that uses of present most anti-disengaging device, spring baffle anti-disengaging device exist the spring easily inefficacy and disconnected spring, and the baffle easily receives the collision deformation inefficacy, easy slippage during hoist and mount, and the security is not high, and the live time is shorter, needs frequent change, increases the maintenance cost, and anti-disengaging device bulk strength is poor to the installation is changed the difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a lifting hook with an anti-unhooking device, which has the advantages of reasonable structure, good safety, convenient installation and long service life.

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

a lifting hook with a unhooking prevention device comprises a hook body, a hook body and a hook rod, wherein the hook body is provided with a hook body and a hook rod which is integrally formed on the upper part of the hook body; the hook body is provided with an anti-unhooking device, and the anti-unhooking device comprises a fixed sleeve, a gravity type movable sleeve, an upper movable arm and a lower movable arm; the fixed cover sets up the lower extreme at the hook stem, gravity type movable sleeve establishes on the hook stem and be located the top of fixed cover, go up the one end of digging arm with gravity type movable sleeve articulates the connection, go up the other end of digging arm with the middle part of digging arm is articulated to be connected down, the link of digging arm down with fixed cover is articulated to be connected, the free end of digging arm is close to the opening that the shank is most advanced and block the shank down.

As a further improvement of the present invention, the mousing-hook device is detachably mounted on the hook body.

As a further improvement of the utility model, the radius of the gravity type movable sleeve is 3-4mm larger than that of the hook rod, and the fixed sleeve is tightly connected with the hook rod; gravity type movable sleeve all includes the semicircle annular staple bolt of two relative settings with fixed cover, semicircle annular staple bolt is provided with the side ear, and is two relative one side of semicircle annular staple bolt is articulated, and the opposite side is connected through the side ear that is parallel relatively.

As a further improvement of the utility model, the upper movable arm is in a long strip shape.

As a further improvement of the utility model, the lower movable arm is L-shaped or arc-shaped.

As a further improvement of the utility model, the lower part of the lower movable arm is provided with a groove which is matched with the opening of the hook body.

As a further improvement, the gravity type movable sleeve is made of high-hardness steel, and the fixed sleeve is made of elastic steel sheets.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

1. the utility model discloses a lifting hook with mousing-hook device is rational in infrastructure, the security is good, be convenient for installation, long service life. The anti-unhooking device is arranged on the lifting hook, so that a rope or a lifting appliance can be prevented from slipping off the lifting hook to cause rope unhooking, the gravity type movable sleeve, the upper movable arm and the lower movable arm are hinged to each other, the gravity type movable sleeve drives the upper movable arm to move up or down during use, opening or closing of the lower movable arm is further realized, the fixed sleeve and the lower movable arm play a limiting role, and the lower movable arm seals an opening of a hook body.

2. The utility model discloses an mousing-hook device installs, dismantles more convenient easy, can directly overlap during the use and use on the hook stem, needn't weld with the hook stem, and the mousing-hook device can have enough to meet the need reuse after dismantling, has practiced thrift the resource, has reduced workman's intensity of labour, has improved work efficiency.

3. The utility model discloses a lower part of digging arm is provided with the recess that suits with the opening of coupler body under, and the recess forms fine agreeing with the coupler body, can guarantee closed compactness, prevents that rope or hoist from droing from the lifting hook in the transportation.

Drawings

Fig. 1 is a schematic structural view of a lifting hook with an anti-unhooking device of the present invention.

Fig. 2 is a schematic structural view of a gravity type movable sleeve.

Fig. 3 is a schematic structural view of the lower movable arm.

Wherein, labeled in the figures: 1-hooking; 2-a hook rod; 3, fixing a sleeve; 4-gravity type movable sleeve; 5-upper movable arm; 6-lower movable arm; 7-a semicircular annular hoop; 8-lateral ear; 9-groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a hook with an anti-unhooking device includes a hook body having a hook body 1 and a hook rod 2 integrally formed on the hook body 1; the hook body is provided with an anti-unhooking device, and the anti-unhooking device comprises a fixed sleeve 3, a gravity type movable sleeve 4, an upper movable arm 5 and a lower movable arm 6; fixed cover 3 sets up the lower extreme at hook stem 2, the 4 movable sleeves of gravity type are established the top of fixed cover 3 is gone up and is located to hook stem 2, go up the one end of digging arm 5 with the gravity type movable sleeve 4 is articulated to be connected, go up the other end of digging arm 5 with the articulated connection in middle part of lower digging arm 6, the link of lower digging arm 6 with fixed cover 3 is articulated to be connected, the free end of lower digging arm 6 is close to 1 pointed end of coupler body and blocks the opening of coupler body 1. The upper movable arm 5 is in a strip shape, and the lower movable arm 6 is in an L shape or an arc shape.

The utility model discloses a set up mousing-hook device on the lifting hook, can prevent that rope or hoist from sliding off from the lifting hook and take place the phenomenon of rope unhook, through fixed cover 3, gravity type movable sleeve 4, go up digging arm 5 and lower digging arm 6 articulated each other, during the use, gravity type movable sleeve 4 drives and goes up digging arm 5 and move up or move down, and then realize opening or the closure of digging arm 6 down, fixed cover 3 plays spacing effect with lower digging arm 6, the opening of shank 1 is sealed to digging arm 6 down in the messenger.

As a further improvement of the present invention, the mousing-hook device is detachably mounted on the hook body. The gravity type movable sleeve 4 and the fixed sleeve 3 are matched according to the size of the hook rod 2, in the embodiment, the radius of the gravity type movable sleeve 4 is 3-4mm larger than that of the hook rod 2, so that the gravity type movable sleeve 4 can conveniently move on the hook rod 2, and the fixed sleeve 3 is tightly connected with the hook rod 2, so that the fixed sleeve 3 has a limiting effect; gravity type movable sleeve 4 and fixed cover 3 can be a ring structure, also can be a staple bolt structure so that dismantle the installation better, in this embodiment, gravity type movable sleeve 4 all includes the semicircle ring shape staple bolt 7 of two relative settings with fixed cover 3, semicircle ring shape staple bolt 7 is provided with side ear 8, and is two relative one side of semicircle ring shape staple bolt 7 is articulated, and the opposite side is connected through the side ear 8 of relative parallel, and two side ears 8 pass through bolted connection. The utility model discloses an mousing-hook device installs, dismantles more convenient easy, can directly overlap during the use and use on the gib block 2, needn't weld with gib block 2, and the mousing-hook device can have enough to meet the need reuse after dismantling, has practiced thrift the resource, has reduced workman's intensity of labour, has improved work efficiency.

The lower part of the lower movable arm 6 is provided with a groove 9 which is matched with the opening of the hook body 1. The arrangement of the groove 9 ensures that the groove 9 and the hook body 1 form good conjunction, can ensure the tightness of the closure, and prevents the rope or the lifting appliance from falling off from the lifting hook in the transportation process.

As a further improvement, the gravity type movable sleeve 4 is made of high-hardness steel, the fixed sleeve 3 is made of elastic steel sheets, so that the fixed sleeve 3 can be better attached and fastened with the hook rod 2.

The utility model relates to a use method of lifting hook with mousing-hook device does: in practical use, when an operator needs to put a rope or a lifting appliance into the lifting hook, the gravity type movable sleeve 4 is lifted, and the upper movable arm 5 and the lower movable arm 6 are opened along with the lifting hook; a rope or a lifting appliance for hoisting the object is put in, the gravity type movable sleeve 4 is put down, and the lower movable arm 6 is put down and pressed, so that the lower movable arm 6 and the lifting hook are closed, and the lifting appliance is prevented from being unhooked; after the hoisting is completed, the gravity type movable sleeve 4 is lifted, the upper movable arm 5 and the lower movable arm 6 are opened, and the rope or the hoisting tool is taken out, so that the hoisting is completed. The utility model has the advantages of reasonable structure, convenient use, wide application range and high safety, and is suitable for popularization and application.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (7)

1. A lifting hook with a unhooking prevention device comprises a hook body, a hook body and a hook rod, wherein the hook body is provided with a hook body and a hook rod which is integrally formed on the upper part of the hook body; the method is characterized in that: the hook body is provided with an anti-unhooking device, and the anti-unhooking device comprises a fixed sleeve, a gravity type movable sleeve, an upper movable arm and a lower movable arm; the fixed cover sets up the lower extreme at the hook stem, gravity type movable sleeve establishes on the hook stem and be located the top of fixed cover, go up the one end of digging arm with gravity type movable sleeve articulates the connection, go up the other end of digging arm with the middle part of digging arm is articulated to be connected down, the link of digging arm down with fixed cover is articulated to be connected, the free end of digging arm is close to the opening that the shank is most advanced and block the shank down.

2. A lifting hook with an anti-unhooking device as claimed in claim 1, wherein: the anti-unhooking device is detachably arranged on the hook body.

3. A lifting hook with an anti-unhooking device as claimed in claim 2, wherein: the radius of the gravity type movable sleeve is 3-4mm larger than that of the hook rod, and the fixed sleeve is fixedly connected with the hook rod; gravity type movable sleeve all includes the semicircle annular staple bolt of two relative settings with fixed cover, semicircle annular staple bolt is provided with the side ear, and is two relative one side of semicircle annular staple bolt is articulated, and the opposite side is connected through the side ear that is parallel relatively.

4. A lifting hook with an anti-unhooking device as claimed in claim 1, wherein: the upper movable arm is in a long strip shape.

5. A lifting hook with an anti-unhooking device as claimed in claim 1, wherein: the lower movable arm is L-shaped or arc-shaped.

6. A lifting hook with an anti-unhooking device as claimed in claim 1, wherein: the lower part of the lower movable arm is provided with a groove which is matched with the opening of the hook body.

7. A lifting hook with an anti-unhooking device as claimed in claim 1, wherein: the gravity type movable sleeve is made of high-hardness steel, and the fixed sleeve is made of an elastic steel sheet.

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