CN218320270U

CN218320270U - Hook for hoisting prefabricated part

Info

Publication number: CN218320270U
Application number: CN202222918713.9U
Authority: CN
Inventors: 莫根芳; 莫雨欣; 潘强
Original assignee: Huzhou Tianyi Prefabricated Components Co ltd
Current assignee: Huzhou Tianyi Prefabricated Components Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-17
Anticipated expiration: 2032-10-31

Abstract

The utility model provides a prefab hangs application lifting hook for prior art's lifting hook that mentions in the solution background art needs the manual work to hold up the lifting hook before the prefab lifts by crane, catches on rings through the lifting hook, rethread rings handling article, under the general condition, the lifting hook is connected with wire rope, wire rope lifts by crane the lifting hook, after the lifting hook catches on rings and wire rope lifts by crane before tight, rings easily drop from the lifting hook, otherwise the lifting hook just can't carry out normal lifting task, can not prevent the technical problem that rings unhook, include: lifting hook main part, lifting hook main part include the annular track of semicircle, the annular sliding block of semicircle, grafting subassembly and mousing-hook subassembly, track fixed mounting in lifting hook main part bottom crotch one side and with crotch shape adaptation, the sliding block with track adaptation and sliding connection in the track, grafting subassembly locates the upper portion of track one end, mousing-hook subassembly locates sliding block one end to be used for following the sliding block slip back and peg graft with grafting subassembly, thereby make the opening of crotch closed.

Description

Hook for hoisting prefabricated part

Technical Field

The utility model relates to a prefab processing field, concretely relates to prefab hangs and uses lifting hook.

Background

With the development of the building industry, various concrete prefabricated parts are widely applied to various buildings, in the production process of the prefabricated parts, a crane and other cranes are often used for hoisting, because the prefabricated parts are heavy in weight and large in size, a hoisting hook of the crane is one of the important parts, and when the prefabricated parts are hoisted, the hoisting hook is generally used for hoisting the prefabricated parts.

There are some prior art lifting hooks, for example, the utility model patent document entitled "CN212655350U" and "a lifting hook assembly" discloses a lifting hook structure, which includes: the top of the mounting box is connected with a hoisting machine, the weighing device is fixedly mounted at the inner top of the mounting box, the first end of the mounting rod is connected with the weighing end of the weighing device, and the second end of the mounting rod is connected with the lifting hook main body.

The lifting hook of above-mentioned patent document can lift by crane, before the prefab lifts by crane, generally need the manual work to hold up the lifting hook to catch on rings through the lifting hook, later rethread rings handling article, under the general condition, the lifting hook is connected with wire rope, lift by crane the lifting hook through wire rope, after the lifting hook catches on rings and wire rope lifts by crane before tight, rings drop from the lifting hook easily, otherwise the lifting hook just can't carry out normal task of lifting by crane, above-mentioned patent is before the lifting hook lifts by crane, can not prevent rings unhook.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides a prefab hangs application lifting hook for solve the prior art's that mentions among the background art lifting hook before the prefab lifts by crane and lift by crane the object in-process and cause the technical problem of unhook easily.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a preform handling hook comprising: the lifting hook main part, the lifting hook main part includes annular track of semicircle, annular sliding block of semicircle, grafting subassembly and mousing-hook subassembly, track fixed mounting in lifting hook main part bottom crotch one side and with crotch shape adaptation, sliding block and track adaptation and sliding connection are in the track, grafting subassembly locates the upper portion of track one end, mousing-hook subassembly locates sliding block one end to be used for sliding the back and pegging graft with grafting subassembly along with the sliding block, thereby make the opening of crotch closed.

The working principle is as follows:

the operator first places the hoisted object at the hook of the hook body.

Later operating personnel slip sliding block, the sliding block slides in the track, and the sliding block slides and drives the mousing-hook subassembly of sliding block one end and remove, and then the mousing-hook subassembly is close the grafting subassembly of locating the upper portion of track one end gradually, inserts to the mousing-hook subassembly in until the grafting subassembly, through the cooperation of mousing-hook subassembly with the grafting subassembly for the opening of crotch is in a closed condition, prevents the article mousing-hook.

After the lifting is finished, an operator can release the connection of the insertion assembly through the unhooking prevention assembly and slide the sliding block again, so that the hook returns to an open state again, and articles can be taken away from the hook.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses the cooperation of accessible mousing-hook subassembly and grafting subassembly before the lifting hook lifts by crane, the opening part that makes the crotch is in the enclosed state, can prevent that article from breaking away from the crotch before lifting by crane, lead to article just break away from the crotch before lifting by crane, can't accomplish the task of lifting by crane, reduce the artifical step of holding up the lifting hook before lifting by crane, be in the enclosed state because of the crotch on the way lifting by crane, also can reach the mousing-hook effect, after the handling is accomplished, remove the connection to the grafting subassembly through the mousing-hook subassembly, make the crotch be in open state again, easy operation is swift, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged sectional structural view of the anti-unhooking component and the plugging component in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a mounting plate and a hanging plate according to an embodiment of the present invention.

Description of reference numerals: the lifting hook comprises a lifting hook body 1, a track 2, a sliding block 3, a hook 4, a fixing block 5, a cavity 6, a telescopic block 7, a first spring 8, a through hole 9, a shell 10, a baffle plate 11, a torsion spring 12, a round hole 13, a pressing rod 14, a penetrating hole 15, a pull rod 16, an installation plate 17, a lifting hole 18 and a lifting plate 19.

Detailed Description

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

Example (b):

as shown in fig. 1, a lifting hook for hoisting a preform comprises: lifting hook main part 1, lifting hook main part 1 includes semicircular ring shape track 2, semicircular ring shape sliding block 3, grafting subassembly and mousing-hook subassembly, 2 fixed mounting on track just with 4 shape adaptations of crotch in one side of 1 bottom crotch 4 of lifting hook main part, sliding

block

3 and 2 adaptations of track and sliding connection are in track 2, grafting subassembly 5 locates the upper portion of 2 one ends in track, 3 one ends of sliding block are located to the mousing-hook subassembly for slide back and peg graft with the grafting subassembly along with sliding block 3, thereby make the opening of crotch 4 closed.

As shown in fig. 2, the plug-in connection subassembly includes fixed block 5, two cavities 6, two flexible pieces 7 and many first springs 8, fixed block 5 is fixed on the upper portion of track 2 one end, two cavity 6 is seted up on fixed block 5 upper portion and is followed fixed block 5 axis symmetric distribution, two flexible piece 7 one-to-one sliding connection just can slide and stretch out corresponding cavity 6 in two cavities 6, partly first spring 8 is located in one of them cavity 6 to with flexible piece 7 fixed connection in this cavity 6, another part first spring 8 is located in another cavity 6 to with flexible piece 7 fixed connection in this another cavity 6, first spring 8 is used for pushing up the flexible piece 7 that corresponds and stretches out cavity 6.

As shown in fig. 2, mousing-hook subassembly includes casing 10, two baffles 11 and two torsional springs 12 of bottom open-hole 9, two baffle 11 one-to-one articulates in through-hole 9 both sides and to the inside extension of casing 10, two the one end one-to-one of torsional spring 12 is fixed on two baffles 11, two the other end one-to-one fixed connection of torsional spring 12 is inside casing 10, casing 10 is used for making fixed block 5 peg graft to casing 10 in through-hole 9 along with sliding block 3 slides, and then two baffles 11 one-to-one with stretch out two flexible 7 butts of cavity 6 to make the opening of crotch 4 closed.

As shown in fig. 3, the device further comprises a mounting plate 17 and a hanging plate 19, wherein the mounting plate 17 is provided with a plurality of through holes 15, the hanging plate 19 is fixedly mounted on the mounting plate 17, and the hanging plate 19 is provided with hanging holes 18.

Before hoisting and prefabricating, firstly, bolts are pre-embedded in the prefabricated part and can penetrate through holes 15 on a mounting plate 17, the mounting plate 17 and the bolts are fixed by nuts, then an operator firstly penetrates a hook 4 through a hanging hole 18 on a hanging plate 19, then the operator slides a sliding block 3, the sliding block 3 slides to drive a shell 10 at one end of the sliding block 3 to move, so that a through hole 9 of the shell 10 is gradually close to a fixed block 5, the size of the through hole 9 of the shell 10 is larger than that of the fixed block 5, the fixed block 5 cannot collide with the shell 10 during circumferential movement, when two baffle plates 11 in the shell 10 contact telescopic blocks 7 on the fixed block 5, the baffle plates 11 start to gradually move away under the action of two torsion springs 12, and because the two telescopic blocks 7 start to contact with the two baffle plates 11 corresponding to one by one, the two telescopic blocks 7 receive the thrust of the two baffle plates 11 corresponding to one by one, two telescopic blocks 7 are enabled to gradually approach through a plurality of first springs 8 in a cavity 6, and then a fixed block 5 gradually moves towards the inside of a shell 10, when the two telescopic blocks 7 completely pass through two baffle plates 11 which are in one-to-one correspondence, the two baffle plates 11 are not subjected to thrust of the two telescopic blocks 7 which are in one-to-one correspondence, under the action of a torsion spring 12, the two baffle plates 11 gradually approach until the fixed block 5 is clamped, the two telescopic blocks 7 which pass through the two baffle plates 11 are not subjected to thrust of the two baffle plates 11, the plurality of first springs 8 in the cavity 6 start to push the two telescopic blocks 7, so that the two telescopic blocks 7 are restored to the original state, the fixed block 5 is locked by the shell 10, the hook 4 is enabled to be in a closed state, the lifting hole 18 is prevented from being separated from the hook 4, the specific structure of the plug-in assembly and the anti-off hook assembly is simple and convenient to operate, the unhooking can be effectively prevented.

As shown in fig. 1 and 2, two opposite circular holes 13 are formed in two sides of the housing 10, a pressing rod 14 penetrates through each of the two circular holes 13, one end of each of the two pressing rods 14 extends into the housing 10, and the end portions of the two pressing rods 14 extending into the housing 10 respectively correspond to the telescopic blocks 7 for pushing the telescopic blocks 7 extending out of the cavities 6, so that the two telescopic blocks 7 slide into the corresponding cavities 6.

After the handling task is completed, an operator can press the two pressing rods 14, the two pressing rods 14 start to push the two telescopic blocks 7 which correspond to each other one by one, so that the two telescopic blocks 7 gradually approach to each other, and after the telescopic blocks 7 completely enter the cavity 6, the shell 10 is pulled in the opposite direction of the sliding block 3, so that the locking state of the shell 10 can be released, the use of the operator is facilitated, and the working efficiency is improved.

The working principle is as follows:

firstly, bolts are embedded in the prefabricated member, the bolts can penetrate through the through holes 15 on the mounting plate 17, the mounting plate 17 and the bolts are fixed through nuts, and then an operator firstly penetrates the hooks 4 through the hanging holes 18 on the hanging plate 19.

Later operating personnel pulling pull rod 16 drives sliding block 3 and removes, sliding block 3 slides in track 2, sliding block 3 slides and drives the casing 10 of sliding block 3 one end and removes, and then casing 10 is close to the fixed block 5 of locating the upper portion of track 2 one end gradually, when two baffles 11 in casing 10 contact the flexible piece 7 on the fixed block 5, baffle 11 begins to keep away from gradually under the effect of two torsional springs 12, because of two flexible pieces 7 and two baffle 11 of one-to-one begin to contact, two flexible pieces 7 receive the thrust of two baffle 11 of one-to-one, make two flexible pieces 7 begin to be close to gradually through many first spring 8 in the cavity 6, and then fixed block 5 removes to the casing 10 inside gradually, when two flexible pieces 7 pass two baffle 11 of one-to-one completely, two baffle 11 do not receive the thrust of two flexible pieces 7 of one-to-one, under the effect of torsional spring 12, two baffle 11 begin to be close to and hold fixed block 5 gradually, two flexible pieces 7 that pass two baffle 11 do not receive the thrust of two baffle 11, many first spring 8 in the cavity 6 begin to push away from top and push away from the top, make two flexible pieces 7 and prevent that the locking hook 4 from getting back, make two flexible pieces 7, make the locking hook 4 to the original hook.

After the hoisting is completed and the hoisting task is completed, an operator can press the two pressing rods 14, the two pressing rods 14 start to push the two telescopic blocks 7 which correspond to each other one by one, so that the two telescopic blocks 7 gradually approach to each other, after the telescopic blocks 7 completely enter the cavity 6, the shell 10 is pulled in the opposite direction of the sliding block 3 through the pull rod 16, the locking state of the shell 10 can be released, the hook 4 is enabled to return to the open state again, and the hook 4 can be taken away from the hoisting hole 18.

In practical use, when the fixed block 5 peg graft to in the casing 10 the back, depression bar 14 can not completely with the fixed block 5 is perpendicular, even so, still can push away flexible piece 7 when depression bar 14 to push away flexible piece 7 to in corresponding cavity 6, consequently, the embodiment of the utility model is can implement and realize completely.

Claims

1. A lifting hook for hoisting a prefabricated part is characterized by comprising: lifting hook main part (1), lifting hook main part (1) includes semicircular ring shape track (2), semicircular ring shape sliding block (3), grafting subassembly and mousing-hook subassembly, track (2) fixed mounting in lifting hook main part (1) bottom crotch (4) one side and with crotch (4) shape adaptation, sliding block (3) and track (2) adaptation and sliding connection are in track (2), the upper portion of track (2) one end is located to the grafting subassembly, sliding block (3) one end is located to the mousing-hook subassembly for slide back and peg graft with the grafting subassembly along with sliding block (3), thereby make the opening of crotch (4) closed.

2. A preform lifting hook as claimed in claim 1, wherein: grafting subassembly includes fixed block (5), two cavities (6), two flexible pieces (7) and many first spring (8), the upper portion at track (2) one end is fixed in fixed block (5), two cavity (6) are seted up in fixed block (5) upper portion and are followed fixed block (5) axis symmetric distribution, two flexible piece (7) one-to-one sliding connection just can slide in two cavities (6) and stretch out corresponding cavity (6), partly in one of them cavity (6) is located in first spring (8) to with flexible piece (7) fixed connection in this cavity (6), another part in another cavity (6) is located in first spring (8) to with flexible piece (7) fixed connection in this another cavity (6), first spring (8) are used for pushing away the flexible piece (7) that correspond and stretch out cavity (6).

3. A preform lifting hook as claimed in claim 2, wherein: mousing-hook subassembly includes casing (10), two baffles (11) and two torsional springs (12) that the bottom opened through-hole (9), two baffle (11) one-to-one articulates in through-hole (9) both sides and extends to casing (10) is inside, two the one end one-to-one of torsional spring (12) is fixed on two baffles (11), two the other end one-to-one fixed connection of torsional spring (12) is inside casing (10), casing (10) are used for sliding along with sliding block (3) and make fixed block (5) peg graft to casing (10) in through-hole (9), and then two baffles (11) one-to-one with stretch out two flexible piece (7) butt of cavity (6) to make the opening of crotch (4) closed.

4. A preform lifting hook as claimed in claim 3, wherein: relative round hole (13) are opened to casing (10) both sides, two all wear to be equipped with in round hole (13) and press depression bar (14), two the one end of pressing depression bar (14) is to casing (10) inside extension, two the tip that presses depression bar (14) to stretch into in casing (10) corresponds respectively and is used for pushing away flexible piece (7) that stretch out cavity (6), and then makes two flexible pieces (7) slide to in corresponding cavity (6).

5. A preform handling hook as claimed in claim 3, wherein: one end of the sliding block (3) is fixedly connected with a pull rod (16).

6. A preform lifting hook as claimed in claim 5, wherein: still including mounting panel (17) and hanger plate (19), a plurality of wearing to establish hole (15) have been seted up in mounting panel (17), hanger plate (19) fixed mounting is on mounting panel (17), and has opened on hanger plate (19) lewis hole (18).