CN213294425U

CN213294425U - Lifting hook for crane

Info

Publication number: CN213294425U
Application number: CN201920101820.8U
Authority: CN
Inventors: 姚新明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2021-05-28
Anticipated expiration: 2029-01-22

Abstract

The utility model discloses a lifting hook for a crane, which belongs to the field of lifting hooks and comprises a lifting hook body and a stop lever, wherein the upper end surface of the lifting hook body is fixedly connected with a connecting block, the side surface of the connecting block is provided with a through groove, the upper end and the lower end in the through groove are fixedly connected with a vertical bar, the side surface of one end of the stop lever is provided with a first through hole, the first through hole is rotatably sleeved on the side surface of the vertical bar, the side surface of one end of the stop lever is slidably connected in the through groove, the two sides of the middle part of the lifting hook body are slidably connected with a U-shaped plate, the two sides of the U-shaped plate are respectively provided with a second through hole, the inner part of the second through hole is slidably connected with a sliding rod, one end of the sliding rod is fixedly connected with a cross rod, one end, this lifting hook volume for hoist can improve convenience and the stability of using greatly, guarantees the security.

Description

Lifting hook for crane

Technical Field

The utility model relates to a lifting hook field, more specifically say, relate to a lifting hook for crane.

Background

A hook, a component of a crane, is commonly used to lift heavy objects.

Traditional crane hook is when using, the object can be followed the opening part of lifting hook and drop, take place danger easily and lead to the goods to damage, the result of use is relatively poor, and traditional crane hook can be worn and torn after long-time the use, it is to a certain extent when wearing and tearing, need change the lifting hook, it is comparatively troublesome to change, and need connect wire rope through the movable pulley to drive when the lifting hook uses, and wire rope generally exposes externally, lack the lubrication, not only influence wire rope's life, but also influence and movable pulley cooperation are connected, the stability in use is relatively poor.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Problem to exist among the prior art, an object of the utility model is to provide a lifting hook for crane, can be when using through setting up the pin, under the effect of torsional spring, make the one end of pin remove the inside of recess, seal the lifting hook body, avoid the object to drop, improve the result of use, pass through the fixture block with the U-shaped plate and fix on the lifting hook body, can protect the lifting hook can not worn and torn when the lifting hook uses, only need change the U-shaped plate, need not to change the lifting hook, it is more convenient to change, install the movable pulley through the connecting seat that has half apron simultaneously, can conveniently deposit lubricating grease and lubricate, guarantee safety and stability.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a lifting hook for crane, includes lifting hook body and pin, the up end fixedly connected with connecting block of lifting hook body, the side of connecting block is equipped with logical groove, the upper and lower fixedly connected with montant in the inside that leads to the groove, the one end side of pin is equipped with first through-hole, first through-hole rotates and cup joints in the side of montant, the one end side sliding connection of pin is in the inside that leads to the groove, the middle part both sides sliding connection of lifting hook body has the U-shaped board, the both sides of U-shaped board all are equipped with the second through-hole, the inside sliding connection of second through-hole has the slide bar, the one end fixedly connected with horizontal pole of slide bar, the one end fixedly connected with fixture block of slide bar, the both sides of lifting hook body are equipped with.

Further, the upper surface of lifting hook body is equipped with the articulated shaft, the surface of articulated shaft articulates there is the connecting seat.

Further, the inside of connecting seat is equipped with lubricated cavity, the inboard surface of lubricated cavity rotates and is connected with the movable pulley, installs the movable pulley through the connecting seat, can improve the protecting effect, and the storage lubricating grease of being convenient for simultaneously lubricates, guarantees safety and stability.

Furthermore, the upper surface both sides of connecting seat all are equipped with the installation piece, the upper surface of installation piece passes through bolt fixed mounting and has half apron.

Further, the inside semicircle through-hole that is equipped with of upper surface of half apron, the inboard fixed surface of semicircle through-hole bonds has the clearance brush, seals through the half apron that has the semicircle through-hole, conveniently connects the location, can not cause interference and influence to the wire rope of connecting simultaneously, and is safe high-efficient.

Further, the side fixedly connected with torsional spring of montant can remove the inside of recess with the one end of pin through the torsional spring to live with the lifting hook body is sealed, the equal fixed connection in the side of first through-hole in both ends of torsional spring.

Furthermore, the one end side of lifting hook body is equipped with the recess, pin sliding connection is in the inside of recess, increases the stability of pin, avoids receiving the collision of hoisting the object and breaks away from logical groove.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can be when using through setting up the pin, under the effect of torsional spring for the inside of recess is removed to the one end of pin, lives the lifting hook body is sealed, avoids the object to drop, improves the result of use, passes through the U-shaped plate and fixes on the lifting hook body through the fixture block, can protect the lifting hook can not worn and torn when the lifting hook uses, only needs to change the U-shaped plate, need not to change the lifting hook, and it is comparatively convenient to change.

(2) Install the movable pulley through the connecting seat, can improve the protecting effect, be convenient for save lubricating grease simultaneously and lubricate, guarantee safety and stability.

(3) The semi-cover plate with the semicircular through holes is sealed, so that the connection and the positioning are convenient, meanwhile, the interference and the influence on the connected steel wire rope cannot be caused, and the safety and the high efficiency are realized.

(4) The side fixedly connected with torsional spring of montant can remove the inside of recess with the one end of pin through the torsional spring to live the lifting hook body is sealed, the equal fixed connection in the side of first through-hole in both ends of torsional spring.

(5) The one end side of lifting hook body is equipped with the recess, and pin sliding connection increases the stability of pin in the inside of recess, avoids receiving the collision of the object of hoisting and breaks away from logical groove.

Drawings

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

fig. 2 is a schematic cross-sectional view of the hook body of the present invention;

fig. 3 is a schematic top view of the hook body of the present invention;

FIG. 4 is a side sectional view of the U-shaped plate connection of the present invention;

fig. 5 is a schematic top view of the half cover plate of the present invention.

The reference numbers in the figures illustrate:

1 lifting hook body, 101 recess, 2 pin, 3 connecting blocks, 4 logical grooves, 5 montants, 51 torsional springs, 6 first through-holes, 7U-shaped board, 8 second through-holes, 9 slide bars, 91 horizontal pole, 10 fixture blocks, 11 draw-in grooves, 12 articulated shafts, 13 connecting seats, 14 lubricated cavity, 15 movable pulley, 16 installation pieces, 17 bolts, 18 semicircle apron, 19 semicircle through-holes, 20 clearance brushes.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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. 1-5, a lifting hook for a crane comprises a lifting hook body 1 and a stop lever 2, referring to fig. 1, 2 and 3, the upper end surface of the lifting hook body 1 is fixedly connected with a connecting block 3, the side surface of the connecting block 3 is provided with a through groove 4, the upper end and the lower end inside the through groove 4 are fixedly connected with a vertical rod 5, the side surface of one end of the stop lever 2 is provided with a first through hole 6, the first through hole 6 is rotatably sleeved on the side surface of the vertical rod 5, the stop lever 2 is prevented from being separated from the through groove 4 by the vertical rod 5, the side surface of the vertical rod 5 is fixedly connected with a torsion spring 51, one end of the stop lever 2 can be moved to the inside of a groove 101 through the torsion spring 51, so as to seal the lifting hook body 1, the two ends of the torsion spring 51 are fixedly connected to the side surface of the first through hole 6, the side surface of one end of the, increase the stability of pin 2, avoid receiving the collision of the hoisting object and break away from logical groove 4, the middle part both sides sliding connection of lifting hook body 1 has U-shaped plate 7, be used for protecting lifting hook body 1, avoid lifting hook body 1 to be worn and torn, increase lifting hook body 1's life, the both sides of U-shaped plate 7 all are equipped with second through-hole 8, the inside sliding connection of second through-hole 8 has slide bar 9, slide bar 9's one end fixedly connected with horizontal pole 91, can couple together the slide bar 9 of U-shaped plate 7 one side through horizontal pole 91, conveniently remove slide bar 9.

Referring to fig. 4, two sides of the middle of the hook body 1 are slidably connected with U-shaped plates 7, two sides of each U-shaped plate 7 are respectively provided with a second through hole 8, a slide rod 9 is slidably connected inside each second through hole 8, the slide rod 9 can control movement of a fixture block 10, one end of each slide rod 9 is fixedly connected with the fixture block 10, two sides of the hook body 1 are provided with clamping grooves 11, and the fixture block 10 is slidably clamped inside the clamping grooves 11, so that the U-shaped plates 7 can be fixed on the hook body 1.

Referring to fig. 1 and 5, an upper surface of a hook body 1 is provided with a hinge shaft 12, an outer surface of the hinge shaft 12 is hinged with a connecting seat 13, a lubricating cavity 14 is arranged inside the connecting seat 13, an inner side surface of the lubricating cavity 14 is rotatably connected with a movable pulley 15 for conveniently storing lubricating grease inside for lubrication, two sides of the upper surface of the connecting seat 13 are respectively provided with a mounting block 16, the upper surface of the mounting block 16 is fixedly provided with a half cover plate 18 through bolts 17, the two half cover plates are of a split structure and are convenient to directly mount and position, can be connected to two sides of a steel wire rope without interference, are convenient and stable, the inner part of the upper surface of the half cover plate 18 is provided with a semicircular through hole 19, and the inner side surface, can avoid outside debris to get into to supplementary clearance of wire rope, also can avoid taking out too much lubricating grease simultaneously, improve safety and stability.

When the lifting hook is used, the cross rod 91 is pulled, the cross rod 91 drives the sliding rod 9 to move, the clamping block 10 is moved to the inside of the second through hole 8, then the U-shaped plate 7 is placed above the lifting hook body 1, the lower end face of the U-shaped plate 7 is contacted with the upper end face of the lifting hook body 1, then when the cross rod 91 is pushed, the cross rod 91 drives the sliding rod 9 to move, the sliding rod 9 drives the clamping block 10 to move, the clamping block 10 is driven by the sliding rod 9 to move, the clamping block 10 is moved to the inside of the clamping groove 11, the U-shaped plate 7 is fixed, when abrasion occurs, the cross rod 91 is pulled, the sliding rod 91 drives the sliding rod 9 to move, the sliding rod 9 drives the clamping block 10 to move, the clamping block 10 is separated from the clamping groove 11, the U-shaped plate 7 can be replaced, the whole lifting hook body 1 is not required to be replaced, the replacement is convenient, when an object is, the hook body 1 is opened, then the object is hung, the stop lever 2 is loosened, the restoring force of the torsion spring 51 drives the stop lever 2 to rotate, one end of the stop lever 2 is moved to the inside of the groove 101 to seal the hook body 1, so that the object can be prevented from falling off from the hook body 1 during lifting, the use effect is improved, when in use, the lubricating grease can be filled into the lubricating cavity 14, and meanwhile, the steel wire rope passes through the round hole formed by combining the two semicircular through holes 19, the movement and the taking are not interfered, thus, along with the rotation of the movable pulley 15 and the movement of the steel wire rope, the lubricating grease can be contacted, the lubricating effect is improved, when the steel wire rope carries the lubricating grease to move, the steel wire rope can be cleaned by the cleaning brush 20, the lubricating effect is ensured, meanwhile, excessive lubricating grease can not be taken away, after the lubricating grease is scraped, the lubricating grease can contact the rear steel wire rope, so that the use effect is ensured stably and efficiently.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a lifting hook for hoist, includes lifting hook body (1) and pin (2), its characterized in that: the lifting hook is characterized in that a connecting block (3) is fixedly connected to the upper end face of the lifting hook body (1), a through groove (4) is formed in the side face of the connecting block (3), a vertical rod (5) is fixedly connected to the upper end and the lower end of the inside of the through groove (4), a first through hole (6) is formed in the side face of one end of a stop rod (2), the first through hole (6) is rotatably sleeved on the side face of the vertical rod (5), the side face of one end of the stop rod (2) is slidably connected to the inside of the through groove (4), U-shaped plates (7) are slidably connected to the two sides of the middle of the lifting hook body (1), second through holes (8) are formed in the two sides of each U-shaped plate (7), a sliding rod (9) is slidably connected to the inside of each second through hole (8), a cross rod (91) is fixedly connected to one end of each sliding rod (9, the clamping block (10) is clamped in the clamping groove (11) in a sliding manner.

2. A lifting hook for cranes, as claimed in claim 1, wherein: the upper surface of lifting hook body (1) is equipped with articulated shaft (12), the surface of articulated shaft (12) articulates there is connecting seat (13).

3. A lifting hook for cranes, as claimed in claim 2, wherein: the inside of connecting seat (13) is equipped with lubricated cavity (14), the inboard surface of lubricated cavity (14) is connected with movable pulley (15) in a rotating way.

4. A crane hook as claimed in claim 3, wherein: the upper surface both sides of connecting seat (13) all are equipped with installation piece (16), the upper surface of installation piece (16) passes through bolt (17) fixed mounting and has half apron (18).

5. A lifting hook as claimed in claim 4, wherein: a semicircular through hole (19) is formed in the inner portion of the upper surface of the semi-cover plate (18), and a cleaning brush (20) is fixedly adhered to the inner side surface of the semicircular through hole (19).

6. A lifting hook as claimed in claim 5, wherein: the side fixedly connected with torsional spring (51) of montant (5), the both ends of torsional spring (51) are all fixed connection in the side of first through-hole (6).

7. A lifting hook as claimed in claim 6, wherein: the lifting hook is characterized in that a groove (101) is formed in the side face of one end of the lifting hook body (1), and the stop lever (2) is connected to the inside of the groove (101) in a sliding mode.