CN211813040U

CN211813040U - Rolling mill spiale hoisting device

Info

Publication number: CN211813040U
Application number: CN201922414561.7U
Authority: CN
Inventors: 路炜; 侯占东; 张斌; 尚涛; 康少彬
Original assignee: Xuanhua Iron and Steel Group Co Ltd
Current assignee: Xuanhua Iron and Steel Group Co Ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-10-30
Anticipated expiration: 2029-12-29

Abstract

The rolling mill connecting shaft lifting device comprises a link joint, a clamping ring, a bolt nut, an earring and a rolling mill connecting shaft; the chain joint is welded on the clamping ring; the clamping ring is locked by a bolt and a nut; the ear ring is welded on the snap ring; the rolling mill spiale is sleeved in the snap ring and is locked and connected by a bolt and a nut; the snap ring is formed by welding a common carbon steel plate with the thickness of 6 mm. The bolt and the nut use high-strength external hexagonal bolts 16 and 70; the nut is M16. The utility model has the advantages that: the double-frame secondary rolling mill connecting shaft lifting device needs to meet the lifting in the vertical direction, namely two lug rings are welded on two sides of the clamping sleeve lifting device, so that the vertical balance of lifting is guaranteed. The scheme of having proposed the solution to the hoist and mount of problem spiale, can directly accomplish the hoist and mount of rolling mill spiale and tear out work after this scheme of application to avoid the inconvenience that the welding earrings brought, improved work efficiency, it is convenient to dismantle, but reuse.

Description

Rolling mill spiale hoisting device

The technical field is as follows:

the utility model relates to a rolling mill production auxiliary assembly technical field especially relates to one kind and can pack into smoothly and tear out the rolling mill for the rolling mill spiale and provide effectual solution instrument.

Background art:

in the prior art, a connecting shaft of a rolling mill is directly connected with a roller to promote the roller to rotate, and the connecting shaft plays a role in lifting weight in the production of high-speed wire rods. Taking the high-speed wire mill connecting shaft as an example, three kinds of rolling mill connecting shafts are used on site at the present stage, namely a 380 rolling mill connecting shaft, a 480 rolling mill connecting shaft and a 700 rolling mill connecting shaft, wherein the single-frame secondary rolling mill connecting shaft is horizontally arranged in the rolling mill and is detached from the rolling mill, and the double-frame secondary rolling mill connecting shaft is vertically arranged in the rolling mill and is detached from the rolling mill. In the process of hoisting the connecting shaft, a fixing device is not arranged, and a pair of earrings are welded on the connecting shaft for hoisting convenience, so that the fixed lifting chain plays a role in lifting. However, the position of the lug ring always influences the polishing repair welding operation, and simultaneously, the workload is increased, and the appearance of the connecting shaft is influenced.

The utility model has the following contents:

the utility model aims at overcoming the not enough of prior art, thereby providing one kind can directly accomplish the hoist and mount of rolling mill spiale and tear out the work and avoided the inconvenience that the welding earrings brought, can improve work efficiency, dismantle convenient, repeatedly usable's rolling mill spiale hoisting device.

The utility model discloses a solve the technical scheme that above-mentioned problem provided and be: a kind of rolling mill spiale lifting gear, including the rolling mill spiale, its characteristic is, also include the link joint, snap ring, bolt nut, earrings; the chain joint is welded on the clamping ring; the clamping ring is locked by a bolt and a nut; the ear ring is welded on the snap ring; the rolling mill spiale is sleeved in the snap ring and is locked and connected by a bolt and a nut; it is also characterized in that: the snap ring is formed by welding a common carbon steel plate with the thickness of 6 mm. The bolt and the nut use high-strength external hexagonal bolts 16 and 70; the nut is M16.

The utility model has the advantages that: the double-frame secondary rolling mill connecting shaft lifting device needs to meet the lifting in the vertical direction, namely two lug rings are welded on two sides of the clamping sleeve lifting device, so that the vertical balance of lifting is guaranteed. The scheme of having proposed the solution to the hoist and mount of problem spiale, can directly accomplish the hoist and mount of rolling mill spiale and tear out work after this scheme of application to avoid the inconvenience that the welding earrings brought, improved work efficiency, it is convenient to dismantle, but reuse.

Description of the drawings:

fig. 1 is a schematic view of a rolling mill spindle lifting device according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

fig. 4 is a schematic view of the embodiment of the present invention when the spindle of the double-stand secondary rolling mill is lifted vertically.

In the drawings: 1. a link; 2. a snap ring; 3. a bolt and a nut; 4. an ear ring; 5. and (4) connecting a shaft of a rolling mill.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and examples. A mill spiale lifting device comprising: the connecting device comprises a link joint 1, a clamping ring 2, a bolt and nut 3, an ear ring 4 and a rolling mill connecting shaft 5; the clamping ring 2 is locked by a bolt and a nut 3; the ear ring 4 is welded on the snap ring 2; a rolling mill connecting shaft 5 is sleeved in the clamping ring 2 and is locked and connected by a bolt and a nut 3; the snap ring 2 is welded by using a common carbon steel plate with the thickness of 6 mm. The bolt and the nut use high-strength external hexagonal bolts 16 and 70; the nut is M16. The utility model discloses the theory of operation: the double-frame secondary rolling mill connecting shaft lifting device needs to meet the lifting in the vertical direction, namely two lug rings are welded on two sides of the clamping sleeve lifting device, so that the vertical balance of lifting is guaranteed. 1. The implementation step of installing the connecting shaft into a rolling mill: the rolling mill spiale hoisting device can be opened by a movable opening angle through the 1-link joint, the 2-way snap ring is opened to act on the middle part of the spiale, the 2-way snap ring is closed, and the spiale hoisting device is fastened by using 3 bolts and nuts, so that the optimum fastening strength is achieved. The lugs at the two ends of the connecting shaft lifting device of the rolling mill are connected with the chain blocks, the connecting shaft is lifted by the chain block to be smoothly arranged in a proper position of the rolling mill, the spline shaft at the upper end of the connecting shaft is connected and positioned with the gear sleeve on the connecting shaft of the rolling mill, and finally the connecting shaft bracket pressing plate is fastened, and the connecting shaft is arranged in the rolling mill. 2. The implementation step of disassembling the connecting shaft from the rolling mill comprises: opening the clamping ring 2, acting on the middle part of the connecting shaft, closing the clamping ring 2, fastening by using a bolt and a nut 3 to ensure that the clamping shaft reaches the optimal fastening strength, connecting the lug rings at the two ends of the rolling mill connecting shaft lifting device with the chain blocks, and enabling the connecting shaft to be in a lifting state through the chain block. And (3) disassembling a press plate of a rolling mill connecting shaft bracket, loosening the connection between a spline shaft at the upper end of the connecting shaft and a gear sleeve on the rolling mill connecting shaft, and finally operating a chain block to smoothly disassemble the rolling mill connecting shaft out of the rolling mill, thereby completing the disassembling of the connecting shaft out of the rolling mill.

Claims

1. A rolling mill spiale hoisting device comprises a rolling mill spiale (5), and is characterized by also comprising a link joint (1), a snap ring (2), a bolt and a nut (3) and an earring (4); the chain joint (1) is welded and connected on the clamping ring (2); the clamping ring (2) is locked by a bolt and a nut (3); the ear ring (4) is fixedly welded on the snap ring (2); the rolling mill spiale (5) is sleeved in the snap ring (2) and is locked and connected by the bolt and the nut (3).

2. A mill spiale lifting device as defined in claim 1, wherein: the clamping ring (2) is formed by welding common carbon steel plates with the thickness of 6 mm.

3. A mill spiale lifting device as defined in claim 1, wherein: the bolt nut (3) adopts a high-strength external hexagonal bolt 16 x 70; the nut is as follows: m16.