Auxiliary expansion and contraction device for hot rolling drum

By adding support and rotation components to the hot-rolled coil expansion and contraction equipment, double-sided support is achieved, solving the problem of damage to the expansion and contraction frame caused by uneven support of the hot-rolled coil, and improving the stability and ease of operation of the equipment.

CN223775712UActive Publication Date: 2026-01-09FUJIAN GREAT DONG HAI IND GRP CO LTD
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Patent Information

Application Number
CN202520029404.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2026-01-09
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing hot-rolled coil expansion and contraction equipment suffers from damage to the expansion and contraction frame due to concentrated gravity during support, and lacks an effective double-sided support structure.

Method used

A support component is added to the end of the expansion frame away from the support base, and the rotation and lifting of the support component are realized through a rotating component and a telescopic mechanism to provide double-sided support and avoid uneven distribution of gravity.

Benefits of technology

It improves the support stability of hot-rolled coils, reduces the risk of damage to the expansion and contraction frame, and simplifies the handling of hot-rolled coils.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of expansion and contraction devices, and discloses a hot rolling drum auxiliary expansion and contraction device which comprises a supporting seat, an expansion and contraction frame installed at the upper end of the supporting seat and a rotating rod installed at the other end of the expansion and contraction frame, one side of the lower end of the supporting seat is fixedly connected with a bottom plate, and the other end of the bottom plate is connected with a rotating assembly. The other end of the rotating assembly is connected with a telescopic mechanism, the output end of the telescopic mechanism is connected with a supporting assembly, and the other end of the supporting assembly is connected with the rotating rod and the collapsible frame. According to the auxiliary expansion and contraction device for the hot rolling winding drum, the bottom plate is arranged on one side of the lower end of the supporting seat, the telescopic mechanism and the supporting assembly are arranged at the other end of the bottom plate, and after the surface of the expansion and contraction frame is sleeved with the hot rolling winding drum, the other side of the expansion and contraction frame can be supported through cooperation of the telescopic mechanism and the supporting assembly, so that the overall stability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of expansion and contraction devices technical field, specifically a kind of hot rolling reel auxiliary expansion and contraction device. BACKGROUND

[0002] Hot rolling reel is a common form of steel, which is manufactured by rolling process at high temperature. Hot rolling reel auxiliary expansion and contraction (sometimes also called coiling or uncoiling auxiliary device) refers to a technology or equipment used when handling hot rolling reel to facilitate operation, transportation, storage and further processing. This technology or equipment can help the reel to expand or contract properly during loading, unloading, uncoiling and coiling.

[0003] Currently, when assisting the expansion and contraction of hot rolling reels, the expansion and contraction frame of the equipment is usually high, and to facilitate the placement and removal of hot rolling reels, the equipment often has only one support seat, which causes the weight of the hot rolling reel to be fully applied to the supporting expansion and contraction frame during the expansion and contraction process. If the hot rolling reel is heavy, it will accelerate the damage of the expansion and contraction frame. SUMMARY

[0004] To overcome the shortcomings of the prior art, the present utility model provides a hot rolling reel auxiliary expansion and contraction device that can increase a support at the other end of the expansion and contraction frame away from the support seat, improving the overall support effect.

[0005] To achieve the above-mentioned purpose, the present utility model provides the following technical solution: a hot rolling reel auxiliary expansion and contraction device, comprising a support seat, an expansion and contraction frame installed on the upper end of the support seat, and a rotating rod installed on the other end of the expansion and contraction frame. One side of the lower end of the support seat is fixedly connected with a bottom plate, the other end of the bottom plate is connected with a rotating assembly, the other end of the rotating assembly is connected with an extension mechanism, the output end of the extension mechanism is connected with a support assembly, and the other end of the support assembly is connected with the rotating rod and the expansion and contraction frame.

[0006] Further, a turning port is formed through one side of the bottom plate away from the support seat, support ports are formed on both sides of the turning port, and the rotating assembly is located within the turning port and the support ports.

[0007] Further, the rotating assembly includes a rotating block and a rotating shaft. One end of the rotating block is sleeved and fixedly connected to the outer wall of the middle part of the rotating shaft. The outer walls of both ends of the rotating shaft are rotatably connected with the inner walls of the two support ports. The side wall of the rotating block is slidably connected with the inner wall of the turning port. The end of the rotating block away from the rotating shaft is connected with the extension mechanism.

[0008] Further, the extension mechanism includes a hydraulic rod and an extension rod. The outer wall of the hydraulic rod is fixedly connected with the end of the rotating block away from the rotating shaft. The output end of the hydraulic rod is fixedly connected with one end of the extension rod. The other end of the extension rod is connected with the support assembly.

[0009] Further, the support assembly comprises an arc-shaped plate and a bearing, the arc-shaped plate is fixedly connected with the extension rod at the middle portion of the outer side of the arc-shaped plate, the bearing is sleeved on the outer portion of the center rod of the expansion and contraction frame, the inner ring of the bearing is fixedly connected with the outer portion of the center rod of the expansion and contraction frame, the outer ring of the bearing is connected with the inner ring of the arc-shaped plate, and the bearing is located between the expansion and contraction frame and the rotating rod.

[0010] Further, the outer wall of the bearing outer ring is fixedly connected with a rectangular block, the middle portion of the inner ring of the arc-shaped plate is provided with a socket, and the outer wall of the rectangular block is slidably connected with the inner wall of the socket.

[0011] Compared with the prior art, the auxiliary expansion and contraction device for the hot rolling winding drum has the following beneficial effects:

[0012] 1. The auxiliary expansion and contraction device for the hot rolling winding drum, by arranging the bottom plate on one side of the lower end of the support base, and arranging the telescopic mechanism and the support assembly on the other end of the bottom plate, after the hot rolling winding drum is sleeved on the surface of the expansion and contraction frame, the telescopic mechanism and the support assembly are used to support the other side of the expansion and contraction frame, so that the overall stability is improved.

[0013] 2. The auxiliary expansion and contraction device for the hot rolling winding drum, by arranging the rotating assembly between the telescopic mechanism and the bottom plate, when the hot rolling winding drum is placed and taken down, the telescopic mechanism and the support assembly are rotated together, so that the taking and placing of the hot rolling winding drum is not hindered. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall appearance of the utility model;

[0015] Figure 2 It is an exploded schematic diagram of the telescopic mechanism and the bottom plate of the utility model;

[0016] Figure 3 It is a schematic diagram of the utility model Figure 2 enlarged view of the A part;

[0017] Figure 4 It is an enlarged view of the B part of the utility model Figure 2 .

[0018] In the drawing: 1, bottom plate; 2, support base; 3, expansion and contraction frame; 4, rotating rod; 5, hydraulic rod; 6, extension rod; 7, arc-shaped plate; 8, bearing; 9, rectangular block; 10, rotating block; 11, rotating shaft; 101, rotating port; 102, supporting port; 701, socket. DETAILED DESCRIPTION

[0019] 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.

[0020] Please refer to Figures 1-4 The utility model provides a hot rolling reel auxiliary expansion and contraction device, including support seat 2, install expansion and contraction frame 3 on the upper end of support seat 2 and install rotating rod 4 on the other end of expansion and contraction frame 3, one side fixed connection of the lower end of support seat 2 is with bottom plate 1, the other end of bottom plate 1 is connected with rotating assembly, the other end of rotating assembly is connected with telescopic mechanism, the output of telescopic mechanism is connected with support assembly, and the other end of support assembly is connected with rotating rod 4 and expansion and contraction frame 3.

[0021] As Figures 1 to 4 The utility model discloses a hot rolling reel auxiliary expansion and contraction device uses, first through external controller to open telescopic mechanism, telescopic mechanism starts to recover and become short after starting, and then can pull support assembly and descend together, so as to separate from rotating rod 4 and expansion and contraction frame 3, then through rotating assembly, telescopic mechanism and support assembly are turned to the direction of far from support seat 2, then normally by external fork truck or hoist lifts hot rolling reel and hangs on expansion and contraction frame 3, then again through rotating assembly, telescopic mechanism and support assembly are turned up, and again start telescopic mechanism, so that support assembly is supported between rotating rod 4 and expansion and contraction frame 3 again, so that it can cooperate with support seat 2 and support hot rolling reel from the both sides of expansion and contraction frame 3 simultaneously, so as to avoid the problem that expansion and contraction frame 3 is unevenly stressed and is easily damaged.

[0022] Here needs to be explained specially:

[0023] Support seat 2, expansion and contraction frame 3 and rotating rod 4 are all existing mature technology, so here do not make detailed description to its connection, positional relationship, working principle etc. External controller, external fork truck, external hoist etc. are all existing mature technology, so here do not make detailed description.

[0024] As Figures 1-4 The side of bottom plate 1 far from support seat 2 is provided with turning port 101, and support port 102 is formed on both sides of turning port 101, and rotating assembly is located in turning port 101 and support port 102.

[0025] More specifically, by setting turning port 101 and support port 102, rotating assembly can be provided with a storage, and the connection stability between rotating assembly and bottom plate 1 can be increased, and the probability of separation and falling off can be reduced.

[0026] As Figures 1-4 The utility model discloses a hot rolling reel auxiliary expansion and contraction device, including support seat 2, install expansion and contraction frame 3 on the upper end of support seat 2 and install rotating rod 4 on the other end of expansion and contraction frame 3, one side fixed connection of the lower end of support seat 2 is with bottom plate 1, the other end of bottom plate 1 is connected with rotating assembly, the other end of rotating assembly is connected with telescopic mechanism, the output of telescopic mechanism is connected with support assembly, and the other end of support assembly is connected with rotating rod 4 and expansion and contraction frame 3.

[0027] More specifically, when it is needed to control the rotation of the telescopic mechanism and the support assembly, it is only needed to rotate the rotating shaft 11 in the two support ports 102, so that the rotating block 10 and the telescopic mechanism and the support assembly connected to the rotating block 10 are rotated.

[0028] As shown in Figures 1-4 , the telescopic mechanism comprises a hydraulic rod 5 and an extension rod 6, the outer wall of the hydraulic rod 5 is fixedly connected to the end of the rotating block 10 away from the rotating shaft 11, the output end of the hydraulic rod 5 is fixedly connected to one end of the extension rod 6, and the other end of the extension rod 6 is connected to the support assembly.

[0029] More specifically, when it is needed to control the lifting of the support assembly, it is only needed to turn on the switch of the hydraulic rod 5 through an external controller, and then the output end of the hydraulic rod 5 is extended outward, so that the extension rod 6 is pushed to rise, and the support assembly connected to the upper end of the extension rod 6 is pushed to rise.

[0030] As shown in Figures 1-4 , the support assembly comprises an arc-shaped plate 7 and a bearing 8, the middle part of the outer side of the arc-shaped plate 7 is fixedly connected to the end of the extension rod 6 away from the hydraulic rod 5, the bearing 8 is sleeved on the outside of the center rod of the telescopic frame 3, the inner ring of the bearing 8 is fixedly connected to the outside of the center rod of the telescopic frame 3, the outer ring of the bearing 8 is connected to the inner ring of the arc-shaped plate 7, and the bearing 8 is located between the telescopic frame 3 and the rotating rod 4. The outer wall of the outer ring of the bearing 8 is fixedly connected with a rectangular block 9, the middle part of the inner ring of the arc-shaped plate 7 is provided with a socket 701, and the outer wall of the rectangular block 9 is in sliding connection with the inner wall of the socket 701.

[0031] More specifically, when the rotating rod 4 and the telescopic frame 3 are supported, it is only needed to align the socket 701 on the arc-shaped plate 7 with the rectangular block 9 on the outer ring of the bearing 8 in the process that the extension rod 6 pushes the arc-shaped plate 7 to rise, so that the support between the bearing 8 and the arc-shaped plate 7 is realized. Since the inner ring of the bearing 8 is connected to the center rod of the telescopic frame 3 and the rotating rod 4, and the hot-rolled coil on the telescopic frame 3 has a weight, the bearing 8 can be pressed on the arc-shaped plate 7 firmly, and the normal rotation of the telescopic frame 3 is not affected.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hot-rolled coil auxiliary expansion and contraction device, comprising a support base (2), an expansion and contraction frame (3) mounted on the upper end of the support base (2), and a rotating rod (4) mounted on the other end of the expansion and contraction frame (3), characterized in that: A base plate (1) is fixedly connected to one side of the lower end of the support base (2). A rotating component is connected to the other end of the base plate (1). A telescopic mechanism is connected to the other end of the rotating component. The output end of the telescopic mechanism is connected to the support component. The other end of the support component is connected to both the rotating rod (4) and the expansion and contraction frame (3).

2. The auxiliary expansion and contraction device for hot-rolled coils according to claim 1, characterized in that: The base plate (1) has a through opening (101) on the side away from the support base (2), and support openings (102) are provided on both sides of the through opening (101). The rotating component is located in the through opening (101) and the support opening (102).

3. The auxiliary expansion and contraction device for hot-rolled coils according to claim 2, characterized in that: The rotating assembly includes a rotating block (10) and a rotating shaft (11). One end of the rotating block (10) is sleeved and fixedly connected to the outer wall of the middle part of the rotating shaft (11). The outer walls of both ends of the rotating shaft (11) are rotatably connected to the inner walls of the two support ports (102). The side wall of the rotating block (10) is slidably connected to the inner wall of the rotating port (101). The end of the rotating block (10) away from the rotating shaft (11) is connected to the telescopic mechanism.

4. The auxiliary expansion and contraction device for hot-rolled coils according to claim 2, characterized in that: The telescopic mechanism includes a hydraulic rod (5) and an extension rod (6). The outer wall of the hydraulic rod (5) is fixedly connected to one end of the rotating block (10) away from the rotation axis (11). The output end of the hydraulic rod (5) is fixedly connected to one end of the extension rod (6). The other end of the extension rod (6) is connected to the support assembly.

5. The auxiliary expansion and contraction device for hot-rolled coils according to claim 4, characterized in that: The support assembly includes an arc plate (7) and a bearing (8). The middle part of the outer side of the arc plate (7) is fixedly connected to the end of the extension rod (6) away from the hydraulic rod (5). The bearing (8) is sleeved on the outside of the center rod of the expansion frame (3), and the inner ring of the bearing (8) is fixedly connected to the outside of the center rod of the expansion frame (3). The outer ring of the bearing (8) is connected to the inner ring of the arc plate (7). The bearing (8) is located between the expansion frame (3) and the rotating rod (4).

6. The auxiliary expansion and contraction device for hot-rolled coils according to claim 5, characterized in that: A rectangular block (9) is fixedly connected to the outer wall of the outer ring of the bearing (8), and a socket (701) is opened in the middle of the inner ring of the arc plate (7). The outer wall of the rectangular block (9) is slidably connected to the inner wall of the socket (701).