CN221027215U - High-bar high-line module rolling mill roller box lifting device - Google Patents

Abstract

The utility model relates to the technical field of metallurgical machinery and discloses a high-bar high-line module rolling mill roller box lifting device which comprises lifting plates, wherein the bottom wall of each lifting plate is fixedly connected with a connecting plate, threaded holes are formed in the left side and the right side of each connecting plate, the left side and the right side of the bottom wall of each connecting plate are fixedly connected with fixing plates, vertical plates are fixedly connected to the front side and the rear side of the bottom wall of each fixing plate, bolts are connected to the middle parts of the two vertical plates in a threaded mode, clamping plates are connected to the tail ends of the bolts in a rotating mode, and sliding blocks are fixedly connected to the top walls of the two clamping plates. According to the utility model, the roller box is moved in or out of the rolling mill transmission box to finish the replacement work of the roller box, the screw holes are welded on the standby roller box in advance for positioning, the positioning of the welding positioning block for aligning the lifting center of gravity is repeatedly tested, the steel wire rope is fixed on the lifting appliance for convenient use, and the auxiliary fixing effect is realized through the cooperation of the fixing plate, the sliding groove, the sliding block, the vertical plate, the bolt and the clamping plate.

Description

High-bar high-line module rolling mill roller box lifting device

Technical Field

The utility model relates to the technical field of metallurgical machinery, in particular to a roller box lifting device of a high-bar high-line modular rolling mill.

Background

In the actual production process of the high-speed bar, the roller box of the modular rolling mill directly contacts with the high-temperature rolling part, is the most fragile part in the rolling mill, is used as one of the core parts of the modular rolling mill, has high price and long production and manufacturing cycle, can prevent the roller box from being broken due to sudden accidents by adopting good preventive maintenance in advance, and improves the working efficiency. The roll box with the 45-degree plug-in structure is periodically subjected to online spot inspection roll box operation every month, the inspection result is recorded to determine whether an oil film bearing or a thrust bearing is worn, whether the roll box needs to be disassembled for maintenance and assembly again is determined according to the degree of wear, and the roll box is an important and complex preventive maintenance operation activity.

In the in-service use process, original high-bar high-line roller box special lifting appliance lifting gravity center is unreasonable, roller box replacement is time-consuming and labor-consuming, original design lifting appliance needs on-site adjustment lifting gravity center, gravity center is unreasonable frequently when being adjusted to the extreme position, and the position of the alignment roller box needs to be adjusted by 2 chain blocks, the center position of a lifting point in actual operation is difficult to find, inclined lifting is often pulled, not only dismounting personnel and the roller box are safe but also the consumption time is long.

Disclosure of utility model

In order to make up for the defects, the utility model provides a high-speed bar high-speed line module rolling mill roller box lifting device, and aims to solve the problem that in the actual production process of high-speed bars in the prior art, the roller box of a sudden module rolling mill is damaged and cannot be timely and rapidly replaced on line.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high stick high line module rolling mill roller box hoist device, includes the hanger plate, the diapire fixedly connected with connecting plate of hanger plate, threaded hole has all been seted up to the left and right sides of connecting plate, the equal fixedly connected with fixed plate of diapire left and right sides of connecting plate, two equal fixedly connected with riser of diapire front and back side of fixed plate, two equal threaded connection in middle part of riser has the bolt, the end-to-end rotation of bolt is connected with splint, two the equal fixedly connected with slider of roof of splint, two the spout has all been seted up to the diapire front and back side of fixed plate, the slider respectively with corresponding spout sliding connection, the well upper portion fixedly connected with connecting rod of hanger plate.

As a further description of the above technical solution:

The left end and the right end of the connecting rod are fixedly connected with baffle discs.

As a further description of the above technical solution:

the outer walls of the two baffle discs are designed in a filleting mode.

As a further description of the above technical solution:

and the outer side of the connecting rod is provided with a steel wire rope.

As a further description of the above technical solution:

the upper middle parts of the left side and the right side of the outer wall of the lifting plate are fixedly connected with limiting rods, and one ends, far away from each other, of the two limiting rods are respectively and fixedly connected to adjacent sides of the thread grooves.

As a further description of the above technical solution:

the outer walls of the two limiting rods are provided with thread grooves.

As a further description of the above technical solution:

The lifting plate is made of stainless steel.

As a further description of the above technical solution:

One side of each clamping plate is provided with anti-skid patterns.

As a further description of the above technical solution:

the lifting plate is connected with the roller box and the roll-over stand through bolts.

The utility model has the following beneficial effects:

1. According to the utility model, the hanging plate, the placing box and the roll-over stand are matched for use, the roll box is moved into or out of the rolling mill transmission box, the replacement work of the roll box is completed, the screw holes are welded on the standby roll box for positioning in advance, the center of gravity of the hoisting is repeatedly tested and aligned, the positioning blocks are welded for positioning after the center of gravity is aligned, and the steel wire rope is fixed on the lifting appliance for convenient use.

2. According to the utility model, the auxiliary fixing effect is realized through the cooperation of the fixing plate, the sliding groove, the sliding block, the vertical plate, the bolt and the clamping plate, so that the roller box is prevented from falling down possibly caused by breakage of the connecting bolt, and convenience is brought to use.

Drawings

FIG. 1 is a perspective view of a roll case lifting device of a high-bar high-line modular rolling mill, which is provided by the utility model;

Fig. 2 is a schematic diagram of a hoisting plate structure of a hoisting device for a roll box of a high-bar high-line modular rolling mill;

Fig. 3 is a schematic diagram of a clamping plate structure of a lifting device of a roller box of a high-bar high-line modular rolling mill;

Fig. 4 is a schematic diagram of a placing box and a roll-over stand of a roll-over box lifting device of a high-bar high-line modular rolling mill provided by the utility model;

fig. 5 is a schematic diagram of a roll-over stand structure of a roll-box lifting device of a high-bar high-line modular rolling mill according to the present utility model;

fig. 6 is a schematic diagram of a roller box structure of a roller box lifting device of a high-bar high-line modular rolling mill.

Legend description:

1. A hanging plate; 2. a thread groove; 3. a wire rope; 4. a connecting rod; 5. a baffle disc; 6. a limit rod; 7. a connecting plate; 8. a fixing plate; 9. a threaded hole; 10. a chute; 11. a slide block; 12. a vertical plate; 13. a bolt; 14. a clamping plate; 15. anti-skid lines.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides a high stick high line module rolling mill roller box hoist device, including hanging plate 1, hanging plate 1's diapire fixedly connected with connecting plate 7, threaded hole 9 has all been seted up to the left and right sides of connecting plate 7, connecting plate 7's diapire all fixedly connected with fixed plate 8, the equal fixedly connected with riser 12 of bottom wall front and back side of two fixed plates 8, the equal threaded connection in middle part of two risers 12 has bolt 13, the end rotation of bolt 13 is connected with splint 14, rotate bolt 13 drive two splint 14 and carry out relative or move in opposite directions after the installation, spout 10 has all been seted up to the diapire front and back side of two splint 14, slider 11 respectively with corresponding spout 10 sliding connection, hanging plate 1's well upper portion fixedly connected with connecting rod 4, slider 11 slides in spout 10 when splint 14 remove, make splint 14 remove the process more smooth and easy, realized supplementary fixed effect, thereby avoided probably because of connecting bolt 13 stretches out the roller box that leads to drops.

The equal fixedly connected with fender dish 5 of end about connecting rod 4 prevents that wire rope 3 breaks away from, the outer wall of two fender dishes 5 all adopts the filleting design, prevent when the installation roller box, the staff is by the fish tail, wire rope 3 is installed in the outside of connecting rod 4, be used for connecting hoisting accessory, equal fixedly connected with gag lever post 6 in upper portion in the outer wall left and right sides of hanger plate 1, one end that keeps away from mutually of two gag lever posts 6 is fixed connection respectively in the adjacent one side of screw groove 2, auxiliary stay is spacing, screw groove 2 has all been seted up to the outer wall of two gag lever posts 6, frictional force between gag lever post 6 and wire rope 3 has been increased, hanger plate 1 adopts stainless steel, can not rust after long-time use, thereby the life of hanger plate 1 has been increased, one side of a plurality of splint 14 all is provided with anti-skidding line 15, anti-skidding line 15 has increased the stability of hoist and mount connection, hanger plate 1 is connected with roller box and roll-over frame through bolt 13.

Working principle: the roller box is connected and fixed with the roller box through the bolts 13, after the connection and fixation are finished, the roller box is lifted through the lifting device, so that the roller box is driven to incline at an angle in the overturning frame, the roller box can be stably overturned at 45 degrees, the roller box alignment position is not required to be adjusted by a hand hoist during lifting, the lifting center position is also fixed, the centering point is not required to be found, the roller box is greatly convenient to detach and mount back to the transmission box, meanwhile, the lifting device for the roller box of the two sets of modular rolling mill is designed and manufactured, the special lifting steel wire rope 3 is compiled for fixing and using, the quick and accurate lifting is realized, the roller box replacement is convenient, the working efficiency of the roller box replacement is improved, the original online roller box replacement can be finished only by about 240 minutes, through implementing the improvement, the dismouting process of roller box has been greatly made things convenient for, under each item work prepares abundant circumstances, the online time of changing the roller box is basically controlled in 90 minutes, realized the quick, high-efficient change of roller box, if with 60 roller boxes of two production lines yearly replacement, save nearly 160 hours' dead time, the production rate of operation has been improved, and rotate bolt 13 drive two splint 14 and carry out relative or move in opposite directions after the installation, slide 11 slides in spout 10 when splint 14 remove, make splint 14 remove the process more smooth and easy, the effect of supplementary fixed is realized, antiskid line 15 has increased the stability of hoist and mount connection simultaneously, thereby avoid the roller box that probably leads to because of connecting bolt 13 stretches out and drops.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (9)

1. The utility model provides a high stick high line module rolling mill roller box hoist device, includes hanging plate (1), its characterized in that: the utility model discloses a lifting device, including hoist and mount board (1), connecting plate (1), screw hole (9) are all offered to the diapire fixedly connected with connecting plate (7), the equal fixedly connected with fixed plate (8) of the diapire left and right sides of connecting plate (7), two equal fixedly connected with riser (12) of diapire front and back side of fixed plate (8), two equal threaded connection in middle part of riser (12) has bolt (13), the end rotation of bolt (13) is connected with splint (14), two equal fixedly connected with slider (11) of roof of splint (14), two spout (10) are all offered to the diapire front and back side of fixed plate (8), slider (11) respectively with spout (10) sliding connection that correspond, well upper portion fixedly connected with connecting rod (4) of hoist and mount board (1).

2. The high bar and high line modular mill roll cassette lifting device of claim 1, wherein: the left end and the right end of the connecting rod (4) are fixedly connected with baffle plates (5).

3. The high bar and high line modular mill roll cassette lifting device of claim 2, wherein: the outer walls of the two baffle discs (5) are designed in a rounded manner.

4. The high bar and high line modular mill roll cassette lifting device of claim 1, wherein: the steel wire rope (3) is arranged on the outer side of the connecting rod (4).

5. The high bar and high line modular mill roll cassette lifting device of claim 1, wherein: the upper middle parts of the left side and the right side of the outer wall of the lifting plate (1) are fixedly connected with limiting rods (6), and one ends, far away from each other, of the two limiting rods (6) are respectively and fixedly connected to adjacent sides of the thread grooves (2).

6. The high bar and high line modular mill roll cassette lifting device of claim 5, wherein: the outer walls of the two limiting rods (6) are provided with thread grooves (2).

7. The high bar and high line modular mill roll cassette lifting device of claim 1, wherein: the lifting plate (1) is made of stainless steel.

8. The high bar and high line modular mill roll cassette lifting device of claim 1, wherein: one side of each clamping plate (14) is provided with anti-skid patterns (15).

9. The high bar and high line modular mill roll cassette lifting device of claim 1, wherein: the lifting plate (1) is connected with the roller box and the roll-over stand through bolts (13).