CN214391632U

CN214391632U - Large-span frame movable type rolling mill drag chain device

Info

Publication number: CN214391632U
Application number: CN202022824196.XU
Authority: CN
Inventors: 朱跃刚
Original assignee: Zhongzhong Science and Technology Tianjin Co Ltd
Current assignee: Zhongzhong Science and Technology Tianjin Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-10-15
Anticipated expiration: 2030-11-30

Abstract

The invention provides a drag chain device of a large-span frame movable rolling mill, which comprises a first slide rail, a second slide rail, a supporting frame and drag chains, wherein the first slide rail is arranged on a fixed frame platform at a transmission side, the second slide rail is arranged on a movable frame platform at an operation side, the first slide rail and the second slide rail are oppositely arranged, the two ends of the supporting frame are both connected with the drag chains, one ends of the drag chains, which are far away from the supporting frame, are arranged at the bottom of the supporting frame, one ends of the two drag chains, which are far away from the supporting frame, extend inwards, one end of one drag chain, which is far away from the supporting frame, is fixedly connected with the fixed frame platform at the transmission side, one end of the other drag chain, which is far away from the supporting frame, is fixedly connected with the movable frame platform at the operation side, and rollers are arranged at the two ends of the supporting frame through mounting frames. The invention provides a drag chain device of a large-span frame movable rolling mill, which solves the problem that when the drag chain works, the supporting force can not support the self weight of the drag chain and the total weight of a plurality of connecting pipelines, so that the work of the movable rolling mill is influenced and can not work.

Description

Large-span frame movable type rolling mill drag chain device

Technical Field

The invention belongs to the technical field of large-span stand movable rolling mills, and particularly relates to a large-span stand movable rolling mill drag chain device.

Background

When the frame of the large-sized steel frame movable rolling mill needs to be opened when a roll system is replaced, the opening distance of the operation side movable frame is long, and a pipeline required by the operation of equipment needs to be connected with a pipeline of the transmission side fixed frame through a drag chain. When the drag chain works, the supporting force can not support the self weight of the drag chain and the total weight of a plurality of connecting pipelines, so that the work of the movable rolling mill is influenced and the work can not be carried out, which becomes a problem to be solved urgently.

Disclosure of Invention

In view of the above, the invention provides a drag chain device for a rolling mill with a movable large-span stand, which solves the problem that the work of the movable rolling mill is influenced and cannot work due to the fact that the supporting force of the drag chain cannot support the self weight of the drag chain and the total weight of a plurality of connecting pipelines when the drag chain works.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

large-span frame movable rolling mill tow chain device, including first slide rail, the second slide rail, the supporting rack, the tow chain, first slide rail is installed on the fixed rack platform of transmission side, the second slide rail is installed on operation side removal rack platform, first slide rail sets up with the second slide rail relatively, the supporting rack both ends all are connected with the tow chain, the one end that the supporting rack was kept away from to the tow chain sets up in the bottom of supporting rack, supporting rack one end inwards extends is kept away from to two tow chains, the one end and the fixed rack platform fixed connection of transmission side that the supporting rack was kept away from to one of them tow chain, the one end and the operation side that the supporting rack was kept away from to another tow chain move rack platform fixed connection, the gyro wheel is all installed through the mounting bracket at the supporting rack both ends, the supporting rack pass through the gyro wheel respectively with first slide rail, second slide rail sliding connection.

Furthermore, the supporting rack comprises two connecting plates and two bearing plates, the bearing plates are fixed between the two connecting plates, and two ends of each connecting plate are connected with a drag chain.

Further, the bottom of each connecting plate extends downwards to form a first reinforcing plate.

Furthermore, a plurality of strip-shaped through holes are formed in the bearing plate and are perpendicular to the length direction of the bearing plate.

Furthermore, the mounting frame comprises two dovetail plates, fixed plates and a second mounting plate, the two dovetail plates are fixedly connected through the fixed blocks, the tops of the fixed blocks are fixedly connected with the second mounting plate, the second mounting plate is fixedly provided with a plurality of fixed plates, one side of each fixed plate, which is perpendicular to the second mounting plate, is fixedly connected with the end part of the supporting frame, and rollers are rotatably connected between the bottoms of the two dovetail plates;

a second reinforcing plate is connected between the two oppositely arranged mounting frames.

Further, first slide rail and second track all include the curb plate, a supporting plate, the bottom plate, the curb plate has two, every curb plate one side all is fixed with the backup pad, the backup pad bottom is fixed with the bottom plate, two curb plates set up relatively, the one end of two curb plates of first slide rail is passed through bottom plate and the fixed frame platform fixed connection of transmission side, the other end is to the operation side and is moved the frame platform and extend, the one end of two orbital curb plates of second is passed through the bottom plate and is moved frame platform fixed connection with the operation side, the other end is to the fixed frame platform of transmission side and extend, the gyro wheel sets up on the curb plate, with curb plate sliding connection.

Further, the backup pad of first slide rail sets up outwards, and the orbital backup pad of second sets up inwards, and the interval is greater than the interval between two orbital curb plates of second between two curb plates of first slide rail, and the second track sets up with first slide rail clearance.

Furthermore, a second limiting plate is further fixed to the bottom of the dovetail plate, a first limiting plate is fixed to the top of the supporting plate along the length direction of the rail, a clamping groove corresponding to the first limiting plate is formed in the second limiting plate, one side of the first limiting plate is fixedly connected with the side plate, the other side of the first limiting plate is arranged in the clamping groove, and the first limiting plate and the second limiting plate are arranged in a clearance mode.

Furthermore, the second limiting plate located above the first slide rail is arranged on the outer side of the dovetail plate, and the second limiting plate located above the second track is arranged on the inner side of the dovetail plate.

Furthermore, a stop block used for limiting the roller is fixed at one end of each of the first sliding rail and the second sliding rail, which is close to the supporting frame.

Compared with the prior art, the invention has the following advantages:

(1) the bearing plate in the middle position is a straight section when the drag chain works, the drag chain is not bent, the roller mounting frame is arranged below the bearing frame, and the roller mounting frame and the track arranged on the platform bear the dead weight of the bearing frame and the weight of the pipeline together, so that the bearing capacity of the drag chain device is effectively increased.

(2) The second reinforcing plate plays a role in supporting and reinforcing the bearing frame, so that the bearing frame has larger bearing capacity.

(3) The weight is lightened by the supporting frame which is provided with the strip-shaped through hole, and the burden of the slide rail is lightened.

(4) The second track can stretch into the inboard of first slide rail along with the removal of operation side removal rack platform, makes first slide rail and second track stretch into each other when the drag chain is at operation side and transmission side platform minimum distance and do not produce the interference to the other side's platform, avoids influencing the operation of drag chain and supporting rack.

(5) The first limiting plate and the second limiting plate prevent the drag chain from being separated from the track to tip over when sliding in high altitude.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:

fig. 1 is a schematic view of a support frame, a first slide rail and a second slide rail according to an embodiment of the present invention;

fig. 2 is a schematic front view of a drag chain device of a long-span stand movable rolling mill according to an embodiment of the invention;

FIG. 3 is a schematic view of a supporting frame and a roller according to an embodiment of the present invention;

FIG. 4 is a schematic view of a mounting frame and a roller according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating the installation of a drag chain device of a long-span stand movable rolling mill according to an embodiment of the present invention.

Description of reference numerals:

1-a support frame; 11-a drag chain; 12-a connecting plate; 13-a carrier plate; 14-strip-shaped through holes; 16-a first stiffener plate; 17-a second stiffener plate; 2-a roller; 3-mounting a frame; 31-a fixing plate; 32-dovetail plate; 33-fixing block; 34-a second mounting plate; 4-a first slide rail; 5-a second slide rail; 51-a stopper; 52-a first limiting plate; 53-side panels; 54-a support plate; 55-a bottom plate; 6-a second limiting plate; 61-card slot; 7-fixing a rack platform on a transmission side; 8-operating the side-shifting gantry platform.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

As shown in fig. 2, 3 and 5, the drag chain device of the large-span frame movable rolling mill comprises a first slide rail 4, a second slide rail 5, a supporting frame 1 and drag chains 11, wherein the first slide rail 4 is installed on a transmission side fixed frame platform 7, the second slide rail 5 is installed on an operation side movable frame platform 8, the first slide rail 4 and the second slide rail 5 are oppositely arranged, the two ends of the supporting frame 1 are both connected with the drag chains 11, one end of each drag chain 11, which is far away from the supporting frame 1, is arranged at the bottom of the supporting frame 1, one ends of the two drag chains 11, which are far away from the supporting frame 1, extend inwards, one end of each drag chain 11, which is far away from the supporting frame 1, is fixedly connected with the transmission side fixed frame platform 7, one end of the other drag chain 11, which is far away from the supporting frame 1, is fixedly connected with the operation side movable frame platform 8, the two ends of the supporting frame 1 are both provided with idler wheels 2 through the mounting frame 3, the supporting frame 1 is respectively connected with the first slide rail 4 through the idler wheels 2, the second slide rail 5 is connected with the first slide rail 4, the second slide rail 5, the second slide rail 11 is connected with the second slide rail 5, the second slide rail 11, the second slide rail 5, the second slide rail 11 is connected with the second slide rail, the second drag chain 11, the second drag chain is connected with the second drag chain, the third slide rail, the second drag chain is connected with the second drag chain, the second drag chain is connected with the second drag chain, and the second drag chain is connected with the second drag chain, and the second drag chain is connected with the third drag chain is connected with the second drag chain, and the second drag chain is connected with the drag chain, and the second drag chain, and the drag chain is connected with the drag chain, and the second drag chain, and the drag chain is connected with the drag chain, and the drag chain is connected with the, The second slide rail 5 is connected in a sliding manner.

As shown in fig. 1 to 2, the supporting frame 1 includes two connecting plates 12 and two bearing plates 13, the bearing plates 13 are fixed between the two connecting plates 12, and two ends of the connecting plates 12 are connected to a tow chain 11.

When the drag chain 11 works, the bearing plate 13 in the middle position is a straight section, the drag chain 11 does not bend, the roller 2 mounting frame 3 is arranged below the bearing frame 1, and the bearing frame 1 bears the dead weight and the pipeline weight together with the track arranged on the platform, so that the bearing capacity of the drag chain 11 device is effectively increased. The 11 devices of traditional tow chain are because of tow chain 11 dead weight and pipeline weight are too big in middle straight section, and the phenomenon of collapsing appears in the unable work needs that satisfies of cantilever type auxiliary wheel supporting rack 1, makes the unable normal work of tow chain 11, influences the roll change work of equipment.

As shown in fig. 1-2, the bottom of each connecting plate 12 extends downward to form a first reinforcing plate 16.

As shown in FIG. 1, the carrier plate 13 is provided with a plurality of strip-shaped through holes 14, and the strip-shaped through holes 14 are arranged perpendicular to the length direction of the carrier plate 13. The arrangement of the strip-shaped through holes 14 reduces the weight of the supporting frame 1 and the burden of the slide rail.

As shown in fig. 3 to 4, the mounting frame 3 includes two dovetail plates 32, two fixing plates 31, and two second mounting plates 34, the two dovetail plates 32 are fixedly connected through a fixing block 33, the top of the fixing block 33 is fixedly connected with the second mounting plates 34, the second mounting plates 34 are fixed with the fixing plates 31, one side of the fixing plate 31 perpendicular to the second mounting plates 34 is fixedly connected with the end of the supporting frame 1, and the bottom of each of the two dovetail plates 32 is rotatably connected with a roller 2; a second reinforcing plate 17 is connected between the two oppositely arranged mounting brackets 3.

As shown in fig. 1 to 3, each of the first slide rail 4 and the second slide rail 5 includes two side plates 53, a support plate 54, a bottom plate 55, two side plates 53, the support plate 54 is fixed on one side of each side plate 53, the bottom plate 55 is fixed on the bottom of the support plate 54, the two side plates 53 are arranged oppositely, one end of each of the two side plates 53 of the first slide rail 4 is fixedly connected with the transmission-side fixed rack platform 7 through the bottom plate 55, the other end of each of the two side plates 53 extends towards the operation-side movable rack platform 8, one end of each of the two side plates 53 of the second slide rail 5 is fixedly connected with the operation-side movable rack platform 8 through the bottom plate 55, the other end of each of the two side plates 53 extends towards the transmission-side fixed rack platform 7, and the roller 2 is arranged on the side plate 53 and slidably connected with the side plate 53.

As shown in fig. 3, the supporting plate 54 of the first slide rail 4 is disposed outward, the supporting plate 54 of the second slide rail 5 is disposed inward, the distance between the two side plates 53 of the first slide rail 4 is greater than the distance between the two side plates 53 of the second slide rail 5, and the second slide rail 5 and the first slide rail 4 are disposed in a gap. The second slide rail 5 can stretch into the inner side of the first slide rail 4 along with the movement of the operation side moving rack platform 8, so that the first slide rail 4 and the second slide rail 5 can stretch into the other platform without interference when the drag chain 11 is at the minimum distance between the operation side and the transmission side platform, and the operation of the drag chain 11 and the supporting frame 1 is prevented from being influenced.

The installation directions of the first slide rail 4 on the operating side platform and the second slide rail 5 on the transmission side platform are opposite, and the opposite sides of the rails are planes, so that the rails do not interfere with each other when the platforms work at the minimum distance. The mounting positions of the mounting bracket 32 and the driving side bracket 3 mounted below the supporting bracket 1 are determined according to the intervals of the rails.

As shown in fig. 1 and 3, the bottom of the dovetail plate 32 is further fixed with a second limiting plate 6, the top of the supporting plate 54 is fixed with a first limiting plate 52 along the length direction of the rail, the second limiting plate 6 is provided with a slot 61 corresponding to the first limiting plate 52, one side of the first limiting plate 52 is fixedly connected with the side plate 53, the other side of the first limiting plate 52 is arranged in the slot 61, and the first limiting plate 52 and the second limiting plate 6 are arranged in a clearance manner, so that the drag chain 11 is prevented from being disengaged from the rail and tipping when sliding in high altitude.

As shown in fig. 1 and 3, the second limiting plate 6 located above the first slide rail 4 is disposed outside the dovetail plate 32, and the second limiting plate 6 located above the second slide rail 5 is disposed inside the dovetail plate 32.

As shown in fig. 1 and 4, a stopper 51 for limiting the roller 2 is fixed at each of the ends of the first slide rail 4 and the second slide rail 5 close to the support frame 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.

Claims

1. Large-span frame movable rolling mill tow chain device, its characterized in that: comprises a first slide rail (4), a second slide rail (5), a supporting frame (1), drag chains (11), wherein the first slide rail (4) is arranged on a transmission side fixed rack platform (7), the second slide rail (5) is arranged on an operation side movable rack platform (8), the first slide rail (4) and the second slide rail (5) are arranged oppositely, both ends of the supporting frame (1) are connected with the drag chains (11), one end of each drag chain (11) far away from the supporting frame (1) is arranged at the bottom of the supporting frame (1), one ends of the two drag chains (11) far away from the supporting frame (1) extend inwards, one end of one drag chain (11) far away from the supporting frame (1) is fixedly connected with the transmission side fixed rack platform (7), one end of the other drag chain (11) far away from the supporting frame (1) is fixedly connected with the operation side movable rack platform (8), and idler wheels (2) are arranged at both ends of the supporting frame (1) through a mounting frame (3), the supporting frame (1) is respectively connected with the first sliding rail (4) and the second sliding rail (5) in a sliding way through the roller (2).

2. The large-span frame movable mill drag chain device according to claim 1, characterized in that: the supporting frame (1) comprises two connecting plates (12) and two bearing plates (13), the bearing plates (13) are fixed between the two connecting plates (12), and two ends of each connecting plate (12) are connected with one drag chain (11).

3. The large-span frame movable mill drag chain device according to claim 2, characterized in that: the bottom of each connecting plate (12) extends downwards to form a first reinforcing plate (16).

4. The large-span frame movable mill drag chain device according to claim 2, characterized in that: a plurality of strip-shaped through holes (14) are formed in the bearing plate (13), and the strip-shaped through holes (14) are perpendicular to the length direction of the bearing plate (13).

5. The large-span frame movable mill drag chain device according to claim 1, characterized in that: the mounting rack (3) comprises two dovetail plates (32), fixing plates (31) and a second mounting plate (34), the two dovetail plates (32) are fixedly connected with each other through the fixing blocks (33), the tops of the fixing blocks (33) are fixedly connected with the second mounting plate (34), the second mounting plate (34) is fixedly provided with a plurality of fixing plates (31), one side, perpendicular to the fixing plates (31) and the second mounting plate (34), of each fixing plate is fixedly connected with the end of the supporting frame (1), and the bottoms of the two dovetail plates (32) are rotatably connected with the rollers (2);

a second reinforcing plate (17) is connected between the two oppositely arranged mounting frames (3).

6. The large-span frame movable mill drag chain device according to claim 1, characterized in that: first slide rail (4) and second slide rail (5) all include curb plate (53), backup pad (54), bottom plate (55), curb plate (53) have two, every curb plate (53) one side all is fixed with backup pad (54), backup pad (54) bottom is fixed with bottom plate (55), two curb plate (53) set up relatively, the one end of two curb plates (53) of first slide rail (4) is passed through bottom plate (55) and is moved fixed frame platform (7) fixed connection of transmission side, the other end is moved movable frame platform (8) extension to the operation side, the one end of two curb plates (53) of second slide rail (5) is passed through bottom plate (55) and is moved movable frame platform (8) fixed connection with the operation side, the other end extends to fixed frame platform (7) of transmission side, gyro wheel (2) set up on curb plate (53), with curb plate (53) sliding connection.

7. The large-span frame movable mill drag chain device of claim 6, wherein: the supporting plate (54) of the first sliding rail (4) is arranged outwards, the supporting plate (54) of the second sliding rail (5) is arranged inwards, the distance between the two side plates (53) of the first sliding rail (4) is larger than the distance between the two side plates (53) of the second sliding rail (5), and the second sliding rail (5) and the first sliding rail (4) are arranged in a clearance mode.

8. The large-span frame movable mill drag chain device according to claim 7, characterized in that: the bottom of the dovetail plate (32) is further fixed with a second limiting plate (6), the top of the supporting plate (54) is fixed with a first limiting plate (52) along the length direction of the rail, a clamping groove (61) corresponding to the first limiting plate (52) is formed in the second limiting plate (6), one side of the first limiting plate (52) is fixedly connected with the side plate (53), the other side of the first limiting plate is arranged in the clamping groove (61), and the first limiting plate (52) and the second limiting plate (6) are arranged in a clearance mode.

9. The large-span frame movable mill drag chain device of claim 8, wherein: the second limiting plate (6) located above the first sliding rail (4) is arranged on the outer side of the dovetail plate (32), and the second limiting plate (6) located above the second sliding rail (5) is arranged on the inner side of the dovetail plate (32).

10. The large-span frame movable mill drag chain device according to claim 1, characterized in that: one ends of the first sliding rail (4) and the second sliding rail (5) close to the supporting frame (1) are respectively fixed with a stop block (51) used for limiting the roller (2).