CN212503577U

CN212503577U - Flange fixture

Info

Publication number: CN212503577U
Application number: CN202020403710.XU
Authority: CN
Inventors: 刘俊杰; 王有发; 李冬冬; 刘宴伟; 孙征; 费立敏; 杨波
Original assignee: China Construction First Group Corp Ltd; China Construction First Bureau Group Installation Engineering Co Ltd
Current assignee: China Construction First Group Corp Ltd; China Construction First Bureau Group Installation Engineering Co Ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-02-09
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a flange fixture, the claw piece of which comprises a connecting arm and a hook body which form an included angle alpha, wherein, alpha is more than 45 degrees and less than 60 degrees; an extension part is arranged along the hook body in a reverse extending manner, and the extension part and the hook body share a bottom surface; the flange type claw based on the claw piece design can automatically expand the claw piece outwards through the contact of the extension part and a workpiece when the claw piece is grabbed through the design of the extension part, so that grabbing is realized, further, manual operation in the workpiece grabbing step is saved, the working efficiency is improved, and the life safety of operators is guaranteed to a great extent.

Description

Flange fixture

Technical Field

The utility model relates to a large-scale equipment transportation installation technical field especially relates to a flange class fixture.

Background

At present, the mode that the rope was binded is mostly adopted in the hoist and mount of valve class material, and this kind of mode is wasted time and energy because of rope ligature and release, causes construction material's transit time extension, and the requirement to the rope is higher simultaneously, and it is great to receive operating personnel's influence, often can cause the conveying efficiency low, and the danger coefficient is high.

Chinese utility model patent "CN 203079511U" discloses a three-jaw is from centering anchor clamps, has replaced the hoist and mount mode that the rope binded through the design of evenly arranging three lifting hook on a platform sling, but this kind of design still needs operating personnel to operate in advance in the working process of reality, with the lifting hook card at the work piece, work efficiency is not high, and still has certain danger coefficient, so it is high to be necessary to design an degree of automation, and hoist and mount efficiency is high, the hoist and mount instrument that factor of safety is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving above-mentioned technical problem, provide a flange class fixture, when guaranteeing that the work piece can be got and transport by stable the hanging, improve hoist and mount efficiency and hoist and mount factor of safety.

In order to achieve the above object, the utility model provides a following scheme:

the first scheme is as follows: the utility model provides a claw piece for forming flange clamps, which comprises a connecting arm and a hook body forming an included angle alpha, wherein alpha is more than 45 degrees and less than 60 degrees; an extension part is arranged along the hook body in a reverse extending way, and the extension part and the hook body share the bottom surface.

Preferably, the length of the extension is less than the arm length of the connecting arm.

Preferably, the connecting arm is further provided with a lock catch, the lock catch is movably connected with the connecting arm, the length of the lock catch is larger than the linear distance from the connecting arm to the end part of the hook body, and the lock catch is lapped on the end part of the hook body in a natural state.

Preferably, the latch is connected to the connecting arm by a hinge shaft.

Preferably, a return spring is arranged between the lock catch and the connecting arm.

Preferably, the end of the lock catch and the end of the hook body are made of magnetic materials.

Scheme II: the utility model provides a flange class fixture, includes support piece and sets up the claw piece in lifting part and the scheme one on support piece, wherein, lifting part connects and puts at support piece central point, sets up three articulated seat at least equidistant on support piece, realizes the articulated of claw piece and support piece through the hole cooperation round pin post of seting up on the linking arm.

Preferably, the lifting portion is welded or screwed to the support.

Preferably, the lifting part is a lifting lug or a screw.

The utility model discloses for prior art gain following technological effect:

(1) through the design of the extending part on the claw piece, the claw can be contacted with a workpiece through the extending part in the actual hoisting process, the extending part is outwards expanded under the influence of the inclination angle along with the continuous downward movement of the claw, and then the claw piece is gradually driven to expand until the hook body can clamp the edge of the workpiece, so that the workpiece is grabbed; the design through the extension has saved the manual operation in snatching the step to the work piece promptly, has not only improved work efficiency, still very big degree guaranteed operating personnel's life safety.

(2) Through the design of the lock catch on the claw piece, in the actual hoisting process, when the hook body reaches the position capable of clamping the edge of the workpiece, the lock catch is jacked up by the edge of the workpiece, when the claw lifts the workpiece, the hook body grasps the edge of the workpiece, and at the moment, the lock catch is automatically closed and firmly grasps the workpiece; the locking capacity of the fixture to the workpiece is improved through the design of the lock catch, and the stability of the workpiece in the hoisting process is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a view showing a structure of a flange type fixture of the present invention;

the device comprises a lifting lug 1, a supporting piece 2, a pin 3, a claw piece 4, a connecting arm 41, a hook body 42, an extending part 43 and a lock catch 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

The utility model aims at providing a flange class fixture to solve the problem that prior art exists, make the hoist and mount process more high-efficient and safety.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The first embodiment is as follows:

as shown in fig. 1, the present embodiment provides a claw sheet for forming a flange type fixture, wherein the claw sheet 4 specifically comprises a connecting arm 41 and a hook body 42 forming an included angle α, wherein α is more than 45 ° < 60 °; an extension part 43 is extended along the hook body 42 in the opposite direction, and the extension part 43 and the hook body 42 share the bottom surface; the connecting arm 41 is further provided with a lock catch 5, the lock catch 5 is hinged with the connecting arm 41, the length of the lock catch 5 is larger than the linear distance from the connecting arm 41 to the end part of the hook body 42, and the lock catch 5 is lapped on the end part of the hook body 42 in a natural state.

Example two:

as shown in fig. 1, based on the first embodiment, the present embodiment provides a flange-type fixture, which includes a lifting lug 1, a supporting member 2, and four claw pieces 4, wherein the lifting lug 1 is fixed at a central position of the supporting member 2 by welding; four hinge seats are uniformly arranged along the edge of the support 2 at intervals; the connecting arm 41 is provided with a hole matched with the hinge base, and the claw piece 4 is hinged with the support piece 2 through the pin 3.

When snatching the work piece, it is firm to utilize wire rope ligature on lug 1, the hook aims at work piece flange center, the hook is transferred, extension 43 contacts the work piece flange at first, along with the continuous move down of hook, extension 43 receives the outside expansion of inclination's influence, and then drives claw piece 4 expansion gradually, can block work piece flange edge until reaching hook 42, when hook 42 reachs and can block work piece edge, hasp 5 is earlier by work piece flange edge jack-up, mention the work piece along with the hook, the work piece flange edge is grasped to claw piece 4, hasp 5 closed by the automatic fall of gravity this moment, firmly grasp the work piece, the completion is to snatching.

Example three:

the present embodiment is different from the second embodiment only in that: a return spring is arranged between the lock catch 5 and the connecting arm 41, when the claw lifts the workpiece, the lock catch 5 is tensioned by the return spring and automatically returns to be closed, so that the locking capacity is enhanced; the lifting lug 1 is replaced by a connecting screw rod, and the connecting mode with the supporting piece 2 is replaced by threaded connection.

Example four:

the present embodiment is different from the third embodiment only in that: the end part of the lock catch 5 and the end part of the hook body 42 are made of magnetic materials, when the hook claw lifts a workpiece, the lock catch 5 automatically resets and closes under the influence of magnetic force between the lock catch and the hook body 42, and the locking capacity is enhanced.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a claw piece for making up flange class fixture which characterized in that: comprises a connecting arm and a hook body which form an included angle alpha, wherein alpha is more than 45 degrees and less than 60 degrees; an extension part is arranged along the hook body in a reverse extending mode, and the extension part and the hook body share a bottom face.

2. The claw for constituting a flange-type tool according to claim 1, wherein: the length of the extension part is smaller than the arm length of the connecting arm.

3. The claw piece for constituting a flange-type jig according to claim 2, wherein: the hook is characterized in that a lock catch is further arranged on the connecting arm and movably connected with the connecting arm, the length of the lock catch is larger than the linear distance from the connecting arm to the end part of the hook body, and the lock catch is put on the end part of the hook body in a natural state.

4. The claw piece for constituting a flange-type jig according to claim 3, wherein: the lock catch is hinged with the connecting arm.

5. The claw piece for constituting a flange-type fixture according to claim 4, wherein: and a return spring is arranged between the lock catch and the connecting arm or the end part of the lock catch and the end part of the hook body are made of magnetic materials.

6. A flange class fixture which characterized in that: the claw piece comprises a support part, a lifting part arranged on the support part and the claw piece as claimed in any one of claims 1 to 5, wherein the lifting part is connected to the center of the support part, at least three hinge seats are arranged on the support part at equal intervals, and the claw piece is hinged with the support part through holes arranged on the connecting arms and matched with pin columns.

7. The flange-type clip according to claim 6, wherein: the lifting part is welded or in threaded connection with the support.

8. The flange-like fixture according to claim 7, wherein: the lifting part is a lifting lug or a screw rod.