CN210558889U

CN210558889U - Lifting hook device and mounting structure thereof

Info

Publication number: CN210558889U
Application number: CN201920735877.3U
Authority: CN
Inventors: 阮加有; 郭大海; 李成宝; 李计全; 秦可歌; 朱贺军
Original assignee: Henan Purui Precision Machinery Co ltd
Current assignee: Henan Purui Precision Machinery Co ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-05-19
Anticipated expiration: 2029-05-22

Abstract

A lifting hook device and a mounting structure thereof comprise two pull plates, a lifting hook cross beam, a positioning disc and a lifting hook, wherein the upper end of the plate surface and a fixing frame are integrated into a whole; symmetrical mounting holes are formed in one ends, far away from the fixing frame, of the two pull plates, two ends of the hook cross beam penetrate through the mounting holes respectively, the hook cross beam and the pull plates are fixedly connected through a positioning disc, and the axis of the hook cross beam is correspondingly parallel to the axis of the fixing frame; the hook body end of the lifting hook vertically penetrates through the lifting hook cross beam, and is fixed above the lifting hook cross beam through the matching of a lifting hook nut and a thrust bearing; the lifting hook device and the installation method can enable the lifting hook to be more convenient to replace and can improve the stability of the lifting hook during working.

Description

Lifting hook device and mounting structure thereof

Technical Field

The utility model belongs to the technical field of the jack-up lifting hook technique and specifically relates to a lifting hook device and mounting structure thereof is related to.

Background

As is known, when a crane lifts objects of different types, the types of hooks used are different, and the number of hooks used is different according to different working environments, so that the hooks need to be replaced and detached; when the traditional lifting hook is disassembled, firstly, pulling plates hinged to two ends of a lifting hook cross beam are disassembled along the axial direction of the lifting hook cross beam, then the lifting hook cross beam and the lifting hook are taken down, and the lifting hook is replaced, but when the lifting hook device is positioned in an occasion with limited space, the pulling plates are long, so that the pulling plates cannot be disassembled, and the replacement of the lifting hook cannot be completed; in addition, because the end of the pulling plate far away from the lifting hook is connected with the fixed frame in a split manner, the stability of the lifting hook in working is not high; to sum up, there is a need in the market for a hook assembly that can facilitate the replacement of a hook and improve the stability of the hook during operation.

Disclosure of Invention

In order to overcome the deficiencies in the background art, the utility model discloses a lifting hook device and mounting structure thereof.

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

a lifting hook device and a mounting structure thereof comprise two pulling plates, a lifting hook cross beam, a positioning disc and a lifting hook; the upper ends of the plate surfaces of the two pulling plates and the fixed frame are of an integrated structure, the lower ends of the plate surfaces of the two pulling plates are provided with mounting holes for the hook cross beam to pass through, two ends of the hook cross beam are respectively and correspondingly and fixedly connected with the two pulling plates through a positioning disc, and the axis of the hook cross beam is correspondingly parallel to the axis of the fixed frame; the hook body end of the lifting hook vertically penetrates through the lifting hook cross beam, and is fixed above the lifting hook cross beam through the matching of a lifting hook nut and a thrust bearing;

preferably, the base angle of the lifting hook nut is set to be an annular groove for placing the thrust bearing, a disc surface on one side of the thrust bearing is correspondingly abutted to the bottom of the annular groove, and a disc surface on the other side of the thrust bearing is correspondingly abutted to the top surface of the lifting hook cross beam.

Preferably, a counter bore matched with the end of the lifting hook cross beam is arranged on the disc surface of the positioning disc corresponding to the lifting hook cross beam, and an annular boss is arranged on one side, away from the lifting hook cross beam, of the outer edge surface of the positioning disc;

preferably, the outer end face of the positioning disc is provided with an oil hole communicated with the counter bore;

preferably, wear-resistant materials are embedded in the counter bore hole surface of the positioning disc;

preferably, the hook cross beam correspondingly penetrates through the two positioning disks, a ring groove is formed in the beam body of the hook cross beam, which extends out of the positioning disks, a cross beam clamping plate matched with the ring groove is inserted in the ring groove, one side plate surface of the cross beam clamping plate is abutted against the disk surface of the positioning disks, and the cross beam clamping plate is fixedly connected with the positioning disks through a plurality of bolts;

the hook device is installed according to the following steps:

the method comprises the following steps: one end of the pulling plate, which is far away from the hook cross beam, is correspondingly arranged with the fixed frame into an integral structure;

step two: expanding the diameter of the mounting holes on the pull plates to be larger than the shaft neck of the hook cross beam, so that the hook cross beam does not touch the plate surfaces of the two pull plates when the positions of the two pull plate mounting holes are changed in angle;

step three: rotating the hook beam to enable the hook beam to be horizontal and coaxial with the mounting hole;

step four: the hook cross beam is correspondingly connected with the two pull plates through the two positioning discs, so that the hook cross beam is fixed at the positions of the two pull plate mounting holes;

step five: and vertically penetrating the hook body end of the lifting hook through the lifting hook cross beam from the lower part, and fixing the hook body end of the lifting hook above the lifting hook cross beam through the matching of a lifting hook nut and a thrust bearing.

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

the utility model discloses a lifting hook device and mounting structure thereof installs the lifting hook through this structure, on the one hand because the positioning disk volume is littleer, all can realize dismantling fast in arbitrary occasion, then with the slope of lifting hook crossbeam, can take off smoothly, on the other hand because the part is smaller and more exquisite and simple to handle, so make the installation of lifting hook also become simpler.

Drawings

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

fig. 2 is another schematic structural diagram of the present invention.

In the figure: 1. pulling a plate; 2. a hook beam; 3. positioning a plate; 4. a hook; 5. a hook nut; 6. a thrust bearing; 7. an annular boss; 8. the crossbeam cardboard.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

The lifting hook device and the mounting structure thereof described with reference to fig. 1-2 comprise two pull plates 1, a lifting hook beam 2, a positioning plate 3 and a lifting hook 4; two arm-tie 1's face upper end and mount structure as an organic whole, two arm-tie 1's face lower extreme is equipped with the mounting hole that is used for the lifting hook crossbeam to pass through, and lifting hook crossbeam 2's both ends correspond fixed connection through a positioning disk 3 and two arm-tie 1 respectively, and lifting hook crossbeam 2's axis corresponds parallelly with the axis of mount, and as required, an embodiment of positioning disk 3 is: the disc surface of the positioning disc 3 corresponding to the hook beam 2 is provided with a counter bore matched with the end of the hook beam 2, the counter bore is used for being correspondingly inserted with the end of the hook beam 2, one side of the outer edge surface of the positioning disc 3, which is far away from the hook beam 2, is provided with an annular boss 7, the annular boss 7 is correspondingly and fixedly connected with the pulling plate 1 through a bolt, thereby realizing the corresponding fixed connection of the positioning discs 3 and the pulling plate 1, fixing the hook beam 2 between the two positioning discs 3, arranging oil holes communicated with the counter bores on the outer end surfaces of the positioning discs 3, injecting lubricating oil into the counter bores through the oil holes, thereby reducing the rigid friction between the two ends of the hook beam 2 and the counter bore when the hook beam 2 rotates, achieving the purpose of protecting the hook beam 2, in particular, wear-resistant materials are embedded on the counter bore hole surface of the positioning disc 3, so that the wear degree of the hook beam 2 is further reduced; another embodiment of the puck 3 is: the lifting hook cross beam 2 correspondingly penetrates through the two positioning disks 3, an annular groove is formed in the lifting hook cross beam 2, extending out of the beam body of each positioning disk 3, a cross beam clamping plate 8 matched with the annular groove in an inserted mode is arranged at the annular groove, one side plate face of each cross beam clamping plate 8 is abutted to the disc face of each positioning disk 3, each cross beam clamping plate 8 is fixedly connected with each positioning disk 3 through a plurality of bolts, and each cross beam clamping plate 8 can fix the position of each lifting hook cross beam 2 and cannot hinder the rotation of each lifting hook cross beam; the hook body end of the lifting hook 4 vertically penetrates through the lifting hook cross beam 2, the hook body end of the lifting hook 4 is fixed above the lifting hook cross beam 2 through the matching of a lifting hook nut 5 and a thrust bearing 6, in addition, the bottom angle of the lifting hook nut 5 is set to be an annular groove for placing the thrust bearing 6, the disc surface on one side of the thrust bearing 6 is correspondingly abutted against the bottom of the annular groove, the disc surface on the other side of the thrust bearing 6 is correspondingly abutted against the top surface of the lifting hook cross beam 2, and the thrust bearing 6 can enable the lifting hook 4 to bear larger axial force and enable the lifting hook 4 to realize the rotating function;

the hook device is installed according to the following steps:

the method comprises the following steps: one end of the pull plate 1, which is far away from the hook beam 2, is correspondingly arranged with the fixed frame into an integral structure;

step two: the diameter of the mounting holes on the pull plates 1 is enlarged to be larger than the shaft neck of the hook beam 2, so that the hook beam 2 cannot touch the plate surfaces of the two pull plates 1 when the positions of the mounting holes of the two pull plates 1 change angles;

step three: rotating the hook beam 2 to enable the hook beam 2 to be horizontal and coaxial with the mounting hole;

step four: the hook beam 2 is correspondingly connected with the two pull plates 1 through the two positioning discs 3, so that the hook beam 2 is fixed at the positions of the mounting holes of the two pull plates 1;

step five: the shank end of the hook 4 vertically penetrates the hook beam 4 from below, and the shank end of the hook 4 is fixed above the hook beam 2 by the cooperation of a hook nut 5 and a thrust bearing 6.

The part of the utility model not detailed is prior art.

Claims

1. A lifting hook device is characterized in that: comprises two pull plates (1), a hook beam (2), a positioning plate (3) and a hook (4); the upper ends of the plate surfaces of the two pulling plates (1) and the fixed frame are of an integral structure, the lower ends of the plate surfaces of the two pulling plates (1) are provided with mounting holes for a hook cross beam to pass through, two ends of the hook cross beam (2) are correspondingly and fixedly connected with the two pulling plates (1) through positioning discs (3), and the axis of the hook cross beam (2) is correspondingly parallel to the axis of the fixed frame; the hook body end of the lifting hook (4) vertically penetrates through the lifting hook cross beam (2), and the hook body end of the lifting hook (4) is fixed above the lifting hook cross beam (2) through the matching of the lifting hook nut (5) and the thrust bearing (6).

2. The hook assembly of claim 1, further comprising: the base angle of lifting hook nut (5) is established to be the ring channel that is used for placing thrust bearing (6), and one side quotation and the ring channel bottom of thrust bearing (6) correspond contradict, and the opposite side quotation of thrust bearing (6) corresponds contradict with the top face of lifting hook crossbeam (2).

3. The hook assembly of claim 1, further comprising: the quotation that positioning disk (3) corresponds lifting hook crossbeam (2) is equipped with the counter bore with lifting hook crossbeam (2) end matched with, and one side that lifting hook crossbeam (2) were kept away from to the outer fringe face of positioning disk (3) is equipped with annular boss (7).

4. A hook assembly as claimed in claim 3, further comprising: the outer end faces of the two positioning discs (3) are provided with oil holes communicated with the counter bores.

5. A hook assembly as claimed in claim 3, further comprising: and wear-resistant materials are embedded in the counter bore hole surface of the positioning disc (3).

6. The hook assembly of claim 1, further comprising: hook crossbeam (2) correspond and run through two positioning disk (3), and hook crossbeam (2) stretches out the roof beam body of positioning disk (3) and is equipped with the annular, and annular department pegs graft and has crossbeam cardboard (8) of looks adaptation, and one side face of crossbeam cardboard (8) is contradicted with the quotation of positioning disk (3), and crossbeam cardboard (8) are through a plurality of bolt fixed connection with positioning disk (3).