Roller frame device with supporting roller shaft easy to replace

By combining the design of lifting mechanism, pitch adjustment component, limit component and support structure, the safety hazards and low efficiency problems in the replacement process of support rolls of combined rolling mill are solved, and safe and efficient roll replacement is achieved.

CN223946483UActive Publication Date: 2026-02-27ANGANG COLD ROLLED STEEL PLATE (PUTIAN) CO LTD
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Patent Information

Application Number
CN202520305364.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-27
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

In the existing technology, the replacement of support rolls in the combined rolling mill has safety hazards and low replacement efficiency due to unstable sling switching, especially with increased accident risk under high production capacity.

Method used

It adopts a lifting mechanism, a distance adjustment component, a limit component, a support structure, and a counterweight structure. The position of the roller shaft is adjusted by a bidirectional screw driven by a servo motor, and the roller shaft is stabilized by a hydraulic push rod and a support structure, so as to achieve a safe and reliable replacement process.

Benefits of technology

This effectively reduces the risk of rollers falling off, improves replacement efficiency, reduces safety hazards, and ensures the stability and safety of the replacement process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a roll frame device with a supporting roll shaft easy to replace, which relates to the technical field of cold-roll steel plate online production equipment and comprises a movable bottom plate, a lifting mechanism is arranged on one side of the upper end face of the movable bottom plate, a distance adjusting component and a limiting component are mounted on the lifting mechanism, and a lifting structure is connected onto the distance adjusting component. The other side of the upper end face of the movable bottom plate is provided with a balance weight structure, the lifting structure comprises a circular end plate, the top of the circular end plate is provided with an inserting groove, the edge side of the bottom of one side of the circular end plate is provided with an arc-shaped supporting ring, the lifting mechanism comprises two fixing cylinders, lifting plates are slidably inserted into the two fixing cylinders, and the upper ends of the two lifting plates are connected with lifting rods. According to the roll shaft replacing device, through the arrangement of the lifting mechanism, the distance adjusting assembly, the limiting assembly, the lifting structure and the balance weight structure, different roll shafts can be replaced, the roll shafts cannot fall off from the roll shaft replacing device in the whole process, and accident risks and potential safety hazards are effectively reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cold rolled steel plate on -line production equipment technical field especially relates to an easy change roll stand device of supporting roller axle. BACKGROUND

[0002] The original supporting roller replacement device of the combined rolling mill adopts a crane to replace the supporting roller, and the crane has a risk of falling and a security risk in a skew pulling mode, and the replacement efficiency is low, and the replacement frequency increases with the increase of the rolling mill capacity, so it is urgent to solve the problems of low replacement efficiency and insecure crane in the replacement process, therefore, the present application provides an easy change roll stand device of supporting roller axle. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides an easy change roll stand device of supporting roller axle, which realizes the replacement of different roller shafts through the lifting mechanism, distance adjusting assembly, limiting assembly, lifting structure and counterweight structure, and the roller shaft will not fall from the device during the whole process, effectively reducing the risk of accidents and security risks, and overcoming the deficiencies of the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An easy change roll stand device of supporting roller axle, comprising a movable base plate, a lifting mechanism is arranged on one side of the upper end surface of the movable base plate, a distance adjusting assembly and a limiting assembly are installed on the lifting mechanism, a lifting structure is connected to the distance adjusting assembly, and a counterweight structure is arranged on the other side of the upper end surface of the movable base plate.

[0006] The lifting structure comprises a circular end plate, a slot is formed in the top of the circular end plate, and an arc-shaped lifting ring is arranged on the bottom side of one side of the circular end plate.

[0007] Through the above-mentioned scheme, the lifting mechanism, distance adjusting assembly, limiting assembly, lifting structure and counterweight structure are arranged to realize the replacement of different roller shafts, and the roller shaft will not fall from the device during the whole process, effectively reducing the risk of accidents and security risks.

[0008] Preferably, the lifting mechanism comprises two fixed cylinders, a lifting plate is slidingly inserted into the two fixed cylinders, a lifting rod is connected to the upper ends of the two lifting plates, a connecting plate is connected between the top of the opposite sides of the two lifting plates, and a hydraulic push rod is installed between the connecting plate and the movable base plate.

[0009] Preferably, the distance adjusting assembly comprises a strip-shaped hole formed on the lifting rod, a bidirectional screw rod is rotatably arranged in the strip-shaped hole through a bearing, and a moving rod is screwed at both ends of the bidirectional screw rod, one end of the moving rod is slidably connected with the strip-shaped hole, and the end of the lifting rod is fixed with a servo motor, one end of the servo motor is connected with one end of the bidirectional screw rod.

[0010] Preferably, the two circular end plates are respectively welded at the other ends of the two moving rods.

[0011] Preferably, the limiting assembly comprises two movable rods symmetrically movably inserted on both sides of the connecting plate, the upper ends of the two movable rods are connected with the lower end face of the lifting rod, and the lower ends of the two movable rods are connected with the stoppers.

[0012] Preferably, the counterweight structure comprises two fixed rods symmetrically fixed on the other side of the upper end face of the moving base plate, and the counterweight blocks are slidably inserted on the two fixed rods.

[0013] Preferably, the lower end face of the moving base plate is provided with walking wheels at four corners.

[0014] The roller frame device has the advantages that:

[0015] The lifting mechanism, the distance adjusting assembly, the limiting assembly, the lifting structure and the counterweight structure are arranged, the different roller shafts can be replaced, the roller shafts will not fall off from the device in the whole process, and the accident risk and the safety hidden danger are effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a first perspective view of a roller frame device with easily replaceable supporting roller shafts according to the present application.

[0017] Figure 2 FIG. 2 is a second perspective view of a roller frame device with easily replaceable supporting roller shafts according to the present application.

[0018] Figure 3 FIG. 3 is a structural view of a roller frame device with easily replaceable supporting roller shafts according to the present application.

[0019] Figure 4 FIG. 4 is a structure view of a roller frame device with easily replaceable supporting roller shafts according to the present application. Figure 2 FIG. 5 is an enlarged structure view of position A in FIG. 4.

[0020] In the figure: 1, moving base plate; 2, fixed cylinder; 3, servo motor; 4, lifting rod; 5, circular end plate; 6, arc-shaped supporting ring; 7, moving rod; 8, strip-shaped hole; 9, lifting plate; 10, fixed rod; 11, counterweight block; 12, stopper; 13, movable rod; 14, hydraulic push rod; 15, walking wheel; 16, bidirectional screw rod; 17, connecting plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Embodiment 1, refer to Figures 1-4 A roller frame device with replaceable supporting roller shafts, comprising a moving base plate 1, a lifting mechanism is arranged on one side of the upper end surface of the moving base plate 1, a distance adjusting assembly and a limiting assembly are installed on the lifting mechanism, a lifting structure is connected to the distance adjusting assembly, a counterweight structure is arranged on the other side of the upper end surface of the moving base plate 1, walking wheels 15 are installed at the lower end surface of the moving base plate 1 at four corners;

[0023] The lifting structure comprises a circular end plate 5, a slot is formed in the top of the circular end plate 5, an arc-shaped supporting ring 6 is arranged on the bottom side of one side of the circular end plate 5;

[0024] The lifting mechanism comprises two fixed cylinders 2, a lifting plate 9 is slidingly inserted into the two fixed cylinders 2, a lifting rod 4 is connected to the upper ends of the two lifting plates 9, a connecting plate 17 is connected between the top of the opposite sides of the two lifting plates 9, a hydraulic push rod 14 is installed between the connecting plate 17 and the moving base plate 1;

[0025] The distance adjusting assembly comprises a strip-shaped hole 8 formed in the lifting rod 4, a bidirectional screw rod 16 is rotatably installed in the strip-shaped hole 8 through a bearing, moving rods 7 are screwed at both ends of the bidirectional screw rod 16, one end of the moving rod 7 is slidingly connected with the strip-shaped hole 8, a servo motor 3 is fixed at the end of the lifting rod 4, one end of the servo motor 3 is connected with one end of the bidirectional screw rod 16, and the two circular end plates 5 are welded at the other ends of the two moving rods 7 respectively;

[0026] The limiting assembly comprises two movable rods 13 which are symmetrically movably inserted into the two sides of the connecting plate 17, the upper ends of the two movable rods 13 are connected to the lower end surface of the lifting rod 4, and the lower ends of the two movable rods 13 are connected with stop blocks 12;

[0027] The counterweight structure comprises two fixed rods 10 which are symmetrically fixed on the other side of the upper end surface of the moving base plate 1, a counterweight block 11 is slidingly inserted into the two fixed rods 10, according to different roller shafts, the counterweight block can be added or subtracted, so as to ensure the stability of the replaced roller shaft.

[0028] Working principle: push the moving base plate 1 to the side of the roller shaft that needs to be replaced, drive the bidirectional screw 16 to rotate through the servo motor 3, so that the two moving rods 7 respectively drive the two circular end plates 5 to move, adjust the spacing of the two circular end plates 5 according to the length of the roller shaft, drive the connecting plate 17 to rise through the hydraulic push rod 14, make the two lifting plates 9 extend from the two fixed cylinders 2, drive the two circular end plates 5 to move upwards, make the two ends of the roller shaft clamped into the slot of the two circular end plates 5, and make the two arc-shaped supporting rings 6 supported at the bottom of the two ends of the roller shaft respectively, so as to lift the roller shaft, facilitate the roller shaft to be removed, then replace the new roller shaft, the whole process will not cause the roller shaft to fall off from the device, effectively reduce the accident risk and safety hidden danger.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A roller frame device with easily replaceable support roller shaft, comprising a movable base plate (1), characterized in that, A lifting mechanism is provided on one side of the upper end face of the movable base plate (1). An adjustment component and a limiting component are installed on the lifting mechanism. A lifting structure is connected to the adjustment component. A counterweight structure is provided on the other side of the upper end face of the movable base plate (1). The lifting structure includes a circular end plate (5), the top of which has a slot, and an arc-shaped support ring (6) is provided on the bottom side of one side of the circular end plate (5).

2. The roller frame device for easily replaceable support roller shafts according to claim 1, characterized in that, The lifting mechanism includes two fixed cylinders (2), in which lifting plates (9) are slidably inserted. The upper ends of the two lifting plates (9) are connected to lifting rods (4). A connecting plate (17) is connected between the tops of the opposite sides of the two lifting plates (9). A hydraulic push rod (14) is installed between the connecting plate (17) and the movable base plate (1).

3. The roller frame device for easily replaceable support roller shafts according to claim 2, characterized in that, The adjustable distance assembly includes a strip hole (8) opened on the lifting rod (4). A bidirectional screw (16) is rotatably installed in the strip hole (8) through a bearing. Both ends of the bidirectional screw (16) are screwed with a moving rod (7). One end of the moving rod (7) is slidably engaged with the strip hole (8). A servo motor (3) is fixed at the end of the lifting rod (4). One end of the servo motor (3) is connected to one end of the bidirectional screw (16).

4. The roller frame device for easily replaceable support roller shafts according to claim 3, characterized in that, The two circular end plates (5) are respectively welded to the other end of the two moving rods (7).

5. The roller frame device for easily replaceable support roller shafts according to claim 3, characterized in that, The limiting assembly includes two movable rods (13) symmetrically and movably inserted on both sides of the connecting plate (17). The upper ends of the two movable rods (13) are connected to the lower end face of the lifting rod (4), and the lower ends of the two movable rods (13) are connected to a stop block (12).

6. The roller frame device for easily replaceable support roller shafts according to claim 1, characterized in that, The counterweight structure includes two fixed rods (10) symmetrically fixed on the other side of the upper end face of the movable base plate (1), and counterweight blocks (11) are slidably inserted into the two fixed rods (10).

7. The roller frame device for easily replaceable support roller shafts according to claim 1, characterized in that, The movable base plate (1) is equipped with four wheels (15) at the four corners of its lower end face.