CN216881032U

CN216881032U - Continuous casting and rolling pendulum shear driving device

Info

Publication number: CN216881032U
Application number: CN202220383455.6U
Authority: CN
Inventors: 高爱民; 陈敏
Original assignee: CISDI Engineering Co Ltd; CISDI Research and Development Co Ltd
Current assignee: CISDI Engineering Co Ltd; CISDI Research and Development Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-07-05
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to a pendulum shear driving device for continuous casting and rolling, and belongs to the field of mechanical equipment. The utility model provides a continuous casting and rolling pendulum shear drive arrangement, includes: the telescopic device comprises an inclined wedge, a guide pillar and a telescopic rod, wherein the telescopic end of the telescopic rod is connected with the inclined wedge, the length of the inclined wedge is gradually increased in the direction perpendicular to the telescopic direction of the telescopic rod, the guide pillar comprises a guide groove, the guide groove is matched with the inclined wedge, and one end of the guide pillar is connected with an upper shearing unit. The telescopic rod provides telescopic motion, the driving wedge moves along the telescopic direction of the telescopic rod to enable the wedge to move relative to the guide groove, and then the driving guide pillar moves along the direction perpendicular to the telescopic direction of the telescopic rod, so that relative motion between the upper shearing unit and the lower shearing unit is achieved, and the continuous casting and rolling pendulum shear shears the intermediate billet.

Description

Continuous casting and rolling pendulum shear driving device

Technical Field

The utility model belongs to the field of mechanical equipment, and relates to a continuous casting and rolling pendulum shear driving device.

Background

The continuous casting and rolling pendulum shear driving device is an important core device in a thin slab continuous casting and rolling unit and is used for shearing a dummy bar and an intermediate slab. The required shear forces are also very large due to the large thickness and large width of the slabs to be sheared.

The sheet billet continuous casting and rolling pendulum shear driving device realizes shearing in a mode of positioning the upper shear blade and lifting the lower shear blade. At present, the upper shear blade positioning structure adopts a large non-standard hydraulic cylinder and is provided with a pressurization system, so that the power is larger; and a large hydraulic station of several hundred kilowatts is required to supply hydraulic oil to the hydraulic cylinders.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a pendulum shear driving device for continuous casting and rolling, which is used to solve the problem that the pendulum shear driving device for continuous casting and rolling in the prior art needs large power.

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

a continuous casting and rolling pendulum shear driving device comprises: the telescopic device comprises an inclined wedge, a guide pillar and a telescopic rod, wherein the telescopic end of the telescopic rod is connected with the inclined wedge, the length of the inclined wedge is gradually increased in the telescopic direction perpendicular to the telescopic rod, the guide pillar comprises a guide groove, the guide groove is matched with the inclined wedge, and one end of the guide pillar is connected with an upper shearing unit.

Optionally, guide grooves are formed in two sides of the guide pillar, the inclined wedge includes two driving arms, the two driving arms form a U-shaped structure, and the driving arms are matched with the guide grooves in shape.

Optionally, the continuous casting and rolling pendulum shear driving device further comprises a frame and a damper, one end of the damper is connected with one end of the guide pillar, the other end of the damper is connected with the frame, and the damper is in a compression state.

Optionally, the frame includes a bearing seat, and the bearing seat includes a first guide hole, and the first guide hole is matched with the damper.

Optionally, the bearing block includes a second guide hole, the second guide hole is matched with the connecting shaft, the connecting shaft includes a connecting hole, the connecting hole is coaxial with the first guide hole, and the connecting hole is matched with the guide pillar.

Optionally, a sliding bearing for bearing the connecting shaft is arranged in the second guide hole.

Optionally, the other end of the damper is connected to the frame through a mounting plate.

The utility model has the beneficial effects that:

the telescopic rod provides telescopic motion to drive the inclined wedge to move along the telescopic direction of the telescopic rod, so that the inclined wedge and the guide groove move relatively, the guide pillar is driven to move along the direction perpendicular to the telescopic direction of the telescopic rod, relative motion between the upper shearing unit and the lower shearing unit is realized, and the continuous casting and rolling pendulum shear driving device shears the intermediate billet.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the utility model, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural diagram of a pendulum shear driving device for continuous casting and rolling in the present invention;

FIG. 2 is another schematic structural diagram of the pendulum shear driving device for continuous casting and rolling in the present invention;

FIG. 3 is a schematic view of a structure of the connecting shaft according to the present invention;

FIG. 4 is another structural view of the connecting shaft of the present invention;

FIG. 5 is a schematic view of the structure of the guide post of the present invention;

FIG. 6 is another schematic view of the guide post of the present invention.

Reference numerals:

the telescopic rod 21, the inclined wedge 22, the driving arm 221, the guide groove 23, the guide post 24, the damper 25, the connecting shaft 26, the sliding bearing 27, the mounting plate 28 and the first guide hole 29.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the utility model only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the utility model thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 6, a continuous casting and rolling pendulum shear driving device is provided, which includes a slanting wedge 22, a guide post 24 and a telescopic rod 21, wherein a telescopic end of the telescopic rod 21 is connected to the slanting wedge 22, a length of the slanting wedge 22 is gradually increased in a direction perpendicular to a telescopic direction of the telescopic rod 21, the guide post 24 includes a guide groove 23, the guide groove 23 is matched with the slanting wedge 22, and one end of the guide post 24 is connected to the upper shearing unit. The telescopic rod 21 provides telescopic motion to drive the inclined wedge 22 to move along the telescopic direction of the telescopic rod 21, so that the inclined wedge 22 and the guide groove 23 move relatively, the guide pillar 24 is driven to move along the direction perpendicular to the telescopic direction of the telescopic rod 21, and relative motion between the upper shearing unit and the lower shearing unit is realized, so that the continuous casting and rolling pendulum shear driving device shears the intermediate billet, the telescopic rod 21 is prevented from directly bearing shearing force, the power requirement of a transmission system is reduced by more than 90%, the corresponding equipment cost is greatly reduced, and finally, the equipment investment cost and the use power cost of the pendulum shear are greatly reduced.

In order to eliminate the play between the components, an upward pre-tightening force can be provided to the upper shearing unit through the damper 25, for example, the damper 25 may be a disc spring set, in some embodiments, the continuous casting and rolling pendulum shear driving device further includes a frame and a damper 25, one end of the damper 25 is connected to one end of the guide pillar 24, the other end of the damper 25 is connected to the frame, the damper 25 is in a compressed state, the damper 25 in the compressed state can store the outward expanding potential energy, so as to provide the upward pre-tightening force to the upper shearing unit, and when the intermediate billet is sheared once, the damper 25 can drive the upper shearing unit to reset.

In order to precisely guide the movement of the guide post 24, the frame comprises a bearing seat, the bearing seat comprises a first guide hole 29, the first guide hole 29 is matched with the damper 25, redundant freedom of the guide post 24 is limited through the first guide hole 29, and the transmission and the movement of the guide post 24 are realized.

In order to conduct the shear stresses, the bearing block comprises a second guide hole, which is matched to the connecting shaft 26, the connecting shaft 26 comprising a connecting hole, which is coaxial to the first guide hole 29, which is matched to the guide post 24. Further, a sliding bearing 27 for bearing the connecting shaft 26 is arranged in the second guide hole.

In order to avoid the unbalanced load between the inclined wedge 22 and the guide groove 23, the guide groove 23 is arranged on both sides of the guide post 24, and the inclined wedge 22 comprises two driving arms 221, the two driving arms 221 form a U-shaped structure, and the driving arms 221 match with the shape of the guide groove 23.

To assemble the mounting plate 28, the other end of the damper 25 is connected to the frame through the mounting plate 28.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. A driving device of continuous casting and rolling pendulum shear is characterized by comprising: the telescopic device comprises an inclined wedge, a guide pillar and a telescopic rod, wherein the telescopic end of the telescopic rod is connected with the inclined wedge, the length of the inclined wedge is gradually increased in the telescopic direction perpendicular to the telescopic rod, the guide pillar comprises a guide groove, the guide groove is matched with the inclined wedge, and one end of the guide pillar is connected with an upper shearing unit.

2. The pendulum shear drive of claim 1, wherein the guide post has guide slots on both sides thereof, and the wedge comprises two drive arms forming a U-shaped structure, the drive arms matching the shape of the guide slots.

3. The continuous casting and rolling pendulum shear drive of claim 1, further comprising a frame and a damper, wherein one end of the damper is connected to one end of the guide post, the other end of the damper is connected to the frame, and the damper is in a compressed state.

4. A pendulum shear drive as claimed in claim 3 wherein the frame comprises a bearing housing, the bearing housing comprising a first guide hole, the first guide hole matching the damper.

5. A pendulum shear drive as claimed in claim 4 wherein the bearing block comprises a second guide hole that mates with a connecting shaft, the connecting shaft comprising a connecting hole that is coaxial with the first guide hole, the connecting hole mating with the guide post.

6. A pendulum shear drive as claimed in claim 5 wherein a sliding bearing is provided in the second guide bore for carrying the connecting shaft.

7. A pendulum shear drive as claimed in claim 3 wherein the other end of the damper is connected to the frame by a mounting plate.