CN210260855U

CN210260855U - Hoisting tool for inner flange workpiece

Info

Publication number: CN210260855U
Application number: CN201920979718.8U
Authority: CN
Inventors: 刘杰; 赵良民; 张元喜
Original assignee: Kocel Machinery Co Ltd
Current assignee: Kocel Machinery Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-07
Anticipated expiration: 2029-06-27

Abstract

The utility model relates to a work piece handling is spread and is helped frock of lifting by crane of interior flange work piece in the instrument technical field, include 2-4 couples that the angular interval such as inner flange circumference along the work piece set up, the couple is equipped with the fastening end that holds end and inner flange periphery of the hook that is used for holding the inner flange, hold the end and hold between the fastening end an organic whole be connected with from the transition section of flange internal orifice to peripheral bending, the transition section that is close to the flange mouth is equipped with and hangs the hanging hole, and each couple holds the fastening back along inner flange circumference hook, and each hangs the hanging hole along flange mouth upside circumference equal interval distribution, and each hangs the hanging hole and passes through lifting hook and chain and hoisting accessory balanced connection respectively. The utility model discloses a frock of lifting by crane of interior flange method work piece through setting up a plurality of couples along the equidistant of work piece inner flange circumference, realizes the steady hooking and the handling of work piece with the help of the cooperation of couple and inner flange structure, and the couple clamping is convenient, swift with the dismantlement, and safe and reliable has solved the handling problem of large-scale inner flange work piece.

Description

Hoisting tool for inner flange workpiece

Technical Field

The utility model relates to a work piece handling is spread and is helped instrument technical field, in particular to lifting frock of interior flange work piece.

Background

The workpiece with the external flange is hoisted, a crane hook or a chain is hung on the external flange in a matching mode, so that the workpiece is hoisted stably and then is hoisted, and the hook cannot slip off the flange generally. However, for a large workpiece which is only provided with an inner flange and has no hanging structure outside as shown in fig. 1, the workpiece is generally bound by a plurality of chains or tracks and then lifted by a lifting hook, so that the operation is very inconvenient, the safety and the stability cannot be guaranteed, and the preparation work before and after the lifting is complicated. If the workpiece can be paved, fixed and clamped by a certain hanging tool, the problems are improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the fixed inconvenient problem of large-scale inner flange work piece handling among the prior art, provide a frock of lifting by crane of inner flange work piece is exclusively used in, quick clamping when realizing that the inner flange work piece lifts by crane steadily lifts by crane.

The utility model aims at realizing like this, a frock of lifting by crane of interior flange method work piece, include 2-4 couples that the interior flange circumference equiangular interval along the work piece set up, the couple is equipped with the fastening end that is used for the hooking end of interior flange and interior flange periphery, an organic whole is connected with the changeover portion of bending from the flange internal orifice to the periphery between hooking end and the fastening end, and the changeover portion that is close to the flange mouth is equipped with the hanging hole, and each couple hooks along interior flange circumference and fastens the back, and each hanging hole is along the equidistant distribution of flange mouth upside circumference, and each hanging hole is respectively through lifting hook and chain and hoisting accessory balanced connection.

The utility model discloses a frock of lifting by crane of interior flange method work piece through setting up a plurality of couples along the equidistant of work piece inner flange circumference, realizes the steady hooking and handling of work piece with the help of the cooperation of couple and inner flange structure. When the inner flange workpiece is hoisted, the hooking end of each hook is matched with the inner flange part, the fastening end is matched with the outer part of the inner flange to be propped and clamped, the hooks are clamped and fixed with the inner flange in a matched mode, the hooks are clamped on the periphery of the opening of the inner flange at equal angular intervals, hoisting holes convenient to hoist are formed in the transition section of each hook, the hoisting holes are arranged in the circumferential direction, close to the opening of the flange, of the transition section, and the hoisting holes are hoisted towards the upper center of the flange through the hoisting hooks and the chains to keep the hooks stressed in a balanced mode, so that the large inner flange workpiece is hoisted and transported in a balanced mode.

In order to ensure that the hook is hooked with the inner side of the inner flange in a matched mode, the hooking end extends from the transition section to the inner side of the inner flange, the end portion of the hooking end is provided with a binding face parallel to the inner end face of the inner flange, an anti-skidding elastic cushion is arranged on the binding face, and the anti-skidding elastic cushion is fixed through a locking bolt.

In order to facilitate the fastening end to clamp the workpiece from the outside, the fastening end is provided with a clamping arm matched with the outer wall of the inner flange end of the workpiece, a jacking screw rod perpendicular to the outer wall of the workpiece is arranged on the clamping arm in a threaded manner, and a rotating handle convenient to rotate is arranged at the outer end of the jacking screw rod.

Further, the couple sets up 3 along inner flange circumference equiangular interval.

Drawings

FIG. 1 is a partial block diagram of an inner flange workpiece.

Fig. 2 is a schematic view of the installation state of the hook and the inner flange workpiece.

Fig. 3 is the schematic diagram of the lifting tool for inner flange workpieces after assembly and installation.

Wherein, 1 is a workpiece; 2, hooking; 201 rotating a handle; 202 tightly pushing the screw rod; 203 a fastening end; 204 a transition section; 205 hanging holes; 206 a hooking end; 207 anti-slip resilient pads; 208 lock the bolt.

Detailed Description

As shown in fig. 2 and 3, for the utility model discloses a frock of lifting by crane of interior flange method work piece, include 2-4 couples 2 that the interior flange circumference equiangular interval along work piece 1 set up, this couple 2 is the main frock fixture that clamps with the interior flange position of work piece 1, specifically, couple 2 is including the fastening end 203 that is used for the hooking end 206 and the interior flange periphery of hooking the interior flange, an organic whole is connected with the changeover portion 204 from the inside mouth of flange to outer peripheral bending connection between hooking end 206 and the fastening end 203, be close to the changeover portion 204 of flange mouth and be equipped with hanging hole 205, during the clamping of lifting by crane, each couple 2 along the fastening back of interior flange circumference hooking, each hanging hole 205 along the equal interval distribution of flange mouth upside circumference, each hanging hole 205 is through lifting hook and chain and hoisting accessory balanced connection respectively.

In order to ensure that the hook is hooked with the inner side of the inner flange in a matching manner, the hooking end 206 of the hanging hook 2 extends from the transition section 204 to the inner side of the inner flange, the end part is provided with an abutting surface parallel to the inner end surface of the inner flange, the abutting surface is provided with an anti-skidding elastic cushion 207, and the anti-skidding elastic cushion 207 is fixed on the surface of the abutting surface through a locking bolt 208.

In order to clamp the workpiece from the outside by the fastening end 203, the fastening end 203 is provided with a clamping arm matched with the outer wall of the inner flange end of the workpiece, a jacking screw 202 perpendicular to the outer wall of the workpiece is arranged on the clamping arm in a threaded manner, and the outer end of the jacking screw 202 is provided with a handle 201 convenient to rotate.

When the hoisting tool for the inner flange workpiece is used for hoisting the inner flange workpiece 1 shown in fig. 1, the number of the hooks 2 arranged along the circumferential direction of the inner flange is determined according to the size and the weight of the workpiece 1, generally, two hooks are arranged along the diameter direction of the inner flange for clamping, three large workpieces are uniformly arranged along the circumferential direction of the inner flange at intervals of 120 degrees, and four ultra-large workpieces are uniformly arranged along the circumferential direction of the inner flange at intervals of 90 degrees. During installation, marking marks are firstly marked at the positions where the hooks are circumferentially arranged along the inner flange; then, the hook starts to be clamped, the tightening screw rod retreats to the outermost side along the threaded hole to enable the tightening end of the screw rod to retreat to be flush with the clamping arm, then the angle of the hook 2 is adjusted, as shown in fig. 2, the hooking end 206 extends into the inner side of the inner flange to enable the anti-skidding elastic pad 207 to hook the inner flange, the angle of the hook is adjusted until the clamping arm is parallel to the outer wall of the workpiece, then the handle 201 is rotated to enable the tightening screw bolt to be fastened on the outer wall of the workpiece in a propping mode to complete clamping of one hook, then the other hooks are sequentially clamped at other marking positions according to the method, as shown in fig. 3, after the clamping is completed, the hooks and/or chains are connected with the lifting device, so that the connection lengths of the chains or the hooks are equal, and. The clamping of the hoisting tool and the inner flange workpiece of the embodiment is completed, and stable hoisting work can be performed.

The utility model discloses a frock of lifting by crane of interior flange method work piece through setting up a plurality of couples along the equidistant of work piece inner flange circumference, realizes the steady hooking and the handling of work piece with the help of the cooperation of couple and inner flange structure, and the couple clamping is convenient, swift with the dismantlement, and safe and reliable has solved the handling problem of large-scale inner flange work piece.

Claims

1. The hoisting tool for the inner flange workpiece is characterized by comprising 2-4 hooks arranged along the circumferential direction of an inner flange of the workpiece at equal angular intervals, wherein each hook is provided with a hooking end used for hooking the inner flange and a fastening end on the periphery of the inner flange, a transition section bent from an inner opening of the flange to the outer periphery is integrally connected between the hooking end and the fastening end, a hanging hole is formed in the transition section close to the flange opening, after each hook is hooked and fastened along the circumferential direction of the inner flange, each hanging hole is distributed along the circumferential direction of the upper side of the flange opening at equal intervals, and each hanging hole is respectively connected with a hoisting device in a balanced manner through a hanging hook and a chain.

2. The tool for hoisting the inner flange workpiece according to claim 1, wherein the hooking end extends from the transition section to the inner side of the inner flange, the end part of the hooking end is provided with an abutting surface parallel to the inner end surface of the inner flange, the abutting surface is provided with an anti-skid elastic cushion, and the anti-skid elastic cushion is fixed through a locking bolt.

3. The inner flange workpiece lifting tool according to claim 1, wherein the fastening end is provided with a clamping arm matched with the outer wall of the inner flange end of the workpiece, the clamping arm is provided with a jacking screw rod perpendicular to the outer wall of the workpiece in a threaded manner, and the outer end of the jacking screw rod is provided with a handle convenient to rotate.

4. The tool for hoisting the inner flange workpiece according to claim 1, 2 or 3, wherein 3 hooks are arranged at equal angular intervals along the circumferential direction of the inner flange.