Movable roll changing device of outlet loop
The roller changing device, with its articulated structure and fixed wheel design, solves the problems of bulkiness and lack of flexibility in existing devices, enabling flexible and safe roller changing operations and improving production efficiency and equipment space utilization.
Patent Information
- Application Number
- CN202423150139.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-20
AI Technical Summary
The existing roller changing device is bulky, occupies a large area, lacks flexibility, and can only be idle when roller changing is not required, which affects the utilization rate of the plant area.
The roller changing arm, which adopts a hinged structure, is connected to the mounting column. Combined with the fixed wheel and winch, it enables the roller changing arm to rotate and lift in the horizontal direction. The sling limit structure is used for guidance. The structure is simple and lightweight. The fixed wheel can be adjusted to adapt to lifting in different directions.
It improves the flexibility and operational safety of the roller changing device, reduces downtime, saves equipment space, and enhances production efficiency and enterprise competitiveness.
Smart Images

Figure CN223534738U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of roller changing devices and is applied to metallurgical equipment. In particular, it relates to a mobile roller changing device for an outlet looper. Background Technology
[0002] Currently, the roller changing device for replacing export looper idlers in the factory area usually involves the lifting and hoisting of the idlers, so it is usually designed with a large beam frame structure. The existing commonly used roller changing device structure can be referenced from the utility model patent with patent number CN201520157505.9, publication number CN204508614U, entitled "Convenient Looper Roller Changing Device".
[0003] While the existing equipment is safe and stable, it is too bulky and occupies a large area, thus significantly impacting the utilization of the factory space. Furthermore, although the existing roller changing device has a certain range of movement and can serve some workstations, it remains idle during periods when roller changing is not required at those workstations. Therefore, the structure of the roller changing device needs to be redesigned to improve its flexibility while ensuring safety and stability. Summary of the Invention
[0004] This utility model provides a movable roller changing device for an outlet looper to solve the technical problems existing in the prior art. It has the characteristics of simple structure, safe and convenient operation and high flexibility.
[0005] This utility model includes the following technical solution: a mobile roller changing device for an outlet looper, comprising a bottom frame, a mounting column, and a roller changing arm; the mounting column is fixedly installed on the side of the bottom frame away from the outlet looper, and fixed wheels are installed at the four corners of the bottom frame; the fixed wheels are set on the looper track and move along the looper track; the roller changing arm is hinged to the mounting column and can rotate around the hinge point in the horizontal direction; one end of the roller changing arm is provided with a sling guide wheel, and the other end is provided with a winch; the winch pulls the sling movably installed on the top surface of the roller changing arm, and the working end of the sling is provided with a lifting device for assembling idler rollers.
[0006] Furthermore, the mounting column has a first hinge seat and a second hinge seat fixedly mounted on its side via mounting bases, with the first hinge seat located directly above the second hinge seat.
[0007] Furthermore, the bottom edge of the roller changing arm is connected to the first hinge seat, which is embedded in the roller changing arm. A square through hole is provided at a corresponding position on the roller changing arm to allow the first hinge seat to pass. The roller changing arm rotates around the first hinge seat when it rotates.
[0008] Furthermore, a connecting plate is fixedly mounted on the bottom surface of the roller changing arm, and the connecting plate is connected to and rotates around the second hinge seat.
[0009] Furthermore, the winch is located on the side away from the outlet loop.
[0010] Furthermore, the winch can be manually driven or electrically driven, depending on the equipment requirements.
[0011] Furthermore, the top surface of the roller changing arm is provided with several sling limiting structures along its length.
[0012] Furthermore, the sling limiting structure is a guide wheel or a bracket with through holes.
[0013] Furthermore, the fixed wheel is connected to the bottom frame via an L-shaped connecting foot.
[0014] Furthermore, a pivot is provided between the connecting foot and the bottom frame and it is fixed by a fixing pin.
[0015] The advantages and positive effects of this utility model are as follows:
[0016] 1. The roller changing arm of this utility model is connected to the mounting column by a hinge. The roller changing arm can rotate in the plane, which can lift a larger range, reduce downtime, facilitate operation safety, improve production rhythm and output, and further enhance the competitiveness of enterprises.
[0017] 2. The fixed wheel used in this utility model can be adjusted in direction to adapt to the need for lifting the idler roller in different directions at the outlet.
[0018] 3. The structure of this utility model is simple and lightweight, easy to maintain and disassemble. When roller changing is not required, this device can be moved to a non-production area, saving equipment space. Attached Figure Description
[0019] Figure 1 This is a front view schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a top view of the overall structure of this utility model;
[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the adjustable fixed wheel;
[0022] In the diagram, 1-loose track; 2-fixed wheel; 3-bottom frame; 4-mounting column; 401-first hinge seat; 402-second hinge seat; 5-roller changing arm; 501-connecting plate; 6-sling steering wheel; 7-winch; 8-sling; 9-lifting tool; 10-connecting foot; 11-fixing pin. Detailed Implementation
[0023] To further disclose the invention content, features, and effects of this utility model, the following examples are provided in conjunction with the accompanying drawings for detailed description. In the following description of the embodiments, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this patent and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this patent.
[0024] In the following description of the embodiments, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.
[0025] Example: See Appendix Figure 1-3 A movable roller changing device for an outlet looper includes a bottom frame 3, a mounting column 4, and a roller changing arm 5. The mounting column 4 is fixedly installed on the side of the bottom frame 3 away from the outlet looper, and fixed wheels 2 are installed at the four corners of the bottom frame 3. The fixed wheels 2 are arranged on the looper track 1 and move along the looper track 1. The roller changing arm 5 is hinged to the mounting column 4 and can rotate horizontally around the hinge point. A first hinge seat 401 and a second hinge seat 402 are fixedly installed on the side of the mounting column 4 through mounting seats, with the first hinge seat 401 located directly above the second hinge seat 402. One end of the roller changing arm 5 is provided with a sling guide wheel 6, and the other end is provided with a winch 7. The winch 7 is located on the side away from the outlet looper. The winch 7 is manually driven or electrically driven, depending on the equipment requirements. The winch 7 pulls a sling 8 movably installed on the top surface of the roller changing arm 5, and the working end of the sling 8 is provided with a lifting device 9 for assembling idler rollers.
[0026] The bottom edge of the roller changing arm 5 is connected to the first hinge seat 401, which is embedded in the roller changing arm 5. A square through hole is provided at a corresponding position on the roller changing arm 5 to allow the first hinge seat 401 to pass. The roller changing arm 5 rotates around the first hinge seat 401 when rotating. A connecting plate 501 is fixedly mounted on the bottom surface of the roller changing arm 5. The connecting plate 501 is connected to and rotates around the second hinge seat 402. Several sling-limiting structures are provided on the top surface of the roller changing arm 5 along its length. The sling-limiting structures are guide wheels or brackets with through holes.
[0027] The fixed wheel 2 is connected to the bottom frame 3 via an L-shaped connecting foot 10. A pivot is provided between the connecting foot 10 and the bottom frame 3 and it is fixed by a fixing pin 11.
[0028] Work process: Move the roller changing device along the looper track 1 to the position where the roller needs to be changed, adjust the position of the roller changing arm 5 to the middle of the idler roller, use the sling 8 and the lifting device 9 to fix the looper idler roller, remove the fixing bolts of the looper idler roller, operate the winch 7 to pull up the idler roller, rotate the roller changing arm 5 to the open position or roller frame, operate the winch 7 to release the sling 8 to lower the idler roller and loosen the lifting device 9, and after retracting the sling 8, the roller changing is completed.
[0029] Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other modifications under the guidance of the present invention without departing from the spirit and scope of the claims. These modifications all fall within the protection scope of the present invention.
Claims
1. A movable roller changing device for an outlet looper, characterized in that: It includes a bottom frame, mounting columns, and a roller changing arm; the mounting columns are fixedly installed on the bottom frame away from the outlet looper, and fixed wheels are installed at the four corners of the bottom frame; the fixed wheels are set on the looper track and move along the looper track; the roller changing arm is hinged to the mounting columns and can rotate around the hinge point in the horizontal direction; one end of the roller changing arm is provided with a sling guide wheel, and the other end is provided with a winch; the winch pulls the sling that is movably installed on the top surface of the roller changing arm, and the working end of the sling is provided with a lifting device for assembling idler rollers.
2. The movable roller changing device for an outlet looper according to claim 1, characterized in that: The mounting column has a first hinge seat and a second hinge seat fixedly mounted on its side via mounting bases, with the first hinge seat located directly above the second hinge seat.
3. The movable roller changing device for the outlet looper according to claim 2, characterized in that: The bottom edge of the roller changing arm is connected to the first hinge seat, which is embedded in the roller changing arm.
4. The movable roller changing device for the outlet looper according to claim 2, characterized in that: The bottom surface of the roller changing arm is fixedly equipped with a connecting plate, which is connected to the second hinge seat and rotates around it.
5. The movable roller changing device for the outlet looper according to claim 1, characterized in that: The winch is located on the side away from the outlet loop.
6. The movable roller changing device for the outlet looper according to claim 5, characterized in that: The winch is either manually driven or electrically driven.
7. The movable roller changing device for the outlet looper according to claim 1, characterized in that: The top surface of the roller changing arm is provided with several sling limiting structures along its length.
8. The movable roller changing device for the outlet looper according to claim 7, characterized in that: The sling limiting structure is a guide wheel or a bracket with through holes.
9. The movable roller changing device for the outlet looper according to claim 1, characterized in that: The fixed wheel is connected to the bottom frame via an L-shaped connecting foot.
10. A movable roller changing device for an outlet looper according to claim 9, characterized in that: The connecting foot is provided with a pivot and is fixed by a fixing pin.
Citation Information
Patent Citations
Portable loop roll-changing device
CN204508614U