Electric lifting guard for a rolling mill material handling trolley

Abstract

The utility model discloses a kind of electric lifting protective devices for rolling mill material handling trolley, including gantry mounting frame installed in sleeve channel both sides, the inside surface of the gantry mounting frame is equipped with electric roller shutter door, the roller shutter door bottom of the electric roller shutter door is equipped with the fender that can fall on material handling trolley.This electric lifting protective device for rolling mill material handling trolley, by adopting the form of electric roller shutter door cooperation liftable fender, creates a flexible guardrail that can be retracted, forms a reliable physical barrier between personnel and dangerous sleeve ditch, effectively prevent personnel falling accident, and protective device is installed in fixed gantry mounting frame rather than trolley itself, fundamentally avoids the structure interference problem caused by trolley sharing, realizes the compatibility of safety protection and equipment sharing.

Description

Technical Field

[0001] This utility model relates to the technical field of aluminum coil rolling equipment, specifically to an electric lifting and protective device for a rolling mill material handling trolley. Background Technology

[0002] In aluminum coil rolling production, after the rolled aluminum coil is coiled, it needs to be transported by a material transport trolley. After the aluminum coil is coiled, the operator needs to board the material transport trolley to observe the surface condition of the aluminum coil at close range in order to carry out production quality inspection or process adjustment.

[0003] However, due to the limited platform size of the material handling trolley, there is a significant risk of falls when personnel move and work on the narrow platform, seriously threatening personal safety. The conventional solution is to install fixed guardrails on the trolley platform. However, in actual production, to improve equipment utilization and space efficiency, material handling trolleys are often designed to be shared by two or more rolling mills. This shared nature allows for relatively flexible trolley routes and stopping positions, and fixed guardrails would interfere with the rolling mill itself, other equipment, or the plant structure, making such a solution impractical.

[0004] Therefore, this application provides an electric lifting and protective device for a rolling mill material handling trolley to solve the above-mentioned technical problems. Utility Model Content

[0005] The technical problem this utility model aims to solve is to overcome existing defects and provide an electric lifting and protective device for a rolling mill material handling trolley. By using an electric roller shutter door in conjunction with a liftable guardrail, a retractable flexible guardrail is created, forming a reliable physical barrier between personnel and the dangerous sleeve trench, effectively preventing personnel from falling. Moreover, the protective device is installed on a fixed gantry mounting frame rather than the trolley itself, fundamentally avoiding structural interference problems caused by sharing the trolley, achieving compatibility between safety protection and equipment sharing, and effectively solving the problems in the background technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an electric lifting and protective device for a rolling mill material handling trolley, comprising a gantry mounting frame installed on both sides of the sleeve channel, an electric roller shutter door installed on the inner side of the gantry mounting frame, and a protective plate that can fall onto the material handling trolley installed at the bottom of the roller shutter door.

[0007] As a preferred embodiment of this utility model, the bottom of the electric roller shutter door is equipped with two parallel guide rods, which are connected by a connecting plate, and the guard plate is installed at the bottom of the connecting plate.

[0008] As a preferred embodiment of this utility model, the two ends of the guide rod are slidably disposed in the slide groove of the electric roller shutter door.

[0009] As a preferred technical solution of this utility model, a detection plate is provided on the upper surface of the guard plate near the electric roller shutter door, and an upper proximity sensor is provided on the upper end of the side of the electric roller shutter door corresponding to the detection plate.

[0010] As a preferred embodiment of this utility model, a lower proximity sensor is provided on the lower side of the electric roller shutter door corresponding to the detection plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are: This utility model provides an example of an electric lifting and protective device for a rolling mill material handling trolley. By using an electric roller shutter door in conjunction with a liftable guardrail, it creates a retractable and flexible guardrail, forming a reliable physical barrier between personnel and the dangerous sleeve trench. This effectively prevents personnel from falling. Furthermore, the protective device is installed on a fixed gantry mounting frame rather than the trolley itself, fundamentally avoiding structural interference problems caused by sharing the trolley and achieving compatibility between safety protection and equipment sharing. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the left-side structure of this utility model; Figure 3 This is a schematic diagram of the structure of this utility model in use.

[0013] In the diagram: 1. Gantry mounting bracket, 2. Electric roller shutter door, 3. Guide rod, 4. Connecting plate, 5. Protective plate, 6. Detection plate, 7. Upper proximity sensor, 8. Lower proximity sensor. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1-3 This utility model provides a technical solution: an electric lifting and protective device for a rolling mill material transport trolley, including a gantry mounting frame 1 installed on both sides of the sleeve channel, an electric roller shutter door 2 installed on the inner side of the gantry mounting frame 1, and a guard plate 5 installed at the bottom of the roller shutter door 2 that can fall onto the material transport trolley. After the electric roller shutter door 2 is lowered, the guard plate 5 can fall stably onto the material transport trolley, forming a reliable physical barrier between personnel and the dangerous sleeve channel, effectively preventing personnel from falling.

[0016] Furthermore, the bottom of the electric roller shutter door 2 is equipped with two parallel guide rods 3, which are connected by a connecting plate 4. The guard plate 5 is installed at the bottom of the connecting plate 4. The two ends of the guide rods 3 are slidably arranged in the groove of the electric roller shutter door 2. The structure of double guide rods 3 and connecting plate 4 ensures that the guard plate 5 is stable and does not shake during the lifting process, and can be accurately aligned and placed on the trolley, thus ensuring the effectiveness of the protection and preventing the guard plate 5 from shaking when moving up and down.

[0017] Furthermore, a detection plate 6 is provided on the upper surface of the guard plate 5 near the electric roller shutter door 2, and an upper proximity sensor 7 is provided on the upper end of the side of the electric roller shutter door 2 corresponding to the detection plate 6.

[0018] Furthermore, the electric roller shutter door 2 is equipped with a lower proximity sensor 8 on the lower side corresponding to the detection plate 6. A closed-loop detection system is set up with the upper and lower proximity sensors and the detection plate 6, which can accurately control the guard plate 5 to fall on the trolley and retract completely, avoiding secondary accidents such as pinching and collision caused by equipment misoperation, and ensuring the safety of personnel and equipment.

[0019] The detection board 6 is a metal plate, and the proximity sensor is an inductive proximity sensor.

[0020] The electric roller shutter door 2 and proximity sensor used in this utility model are common electronic components in the prior art. Their working methods and circuit structures are well-known technologies and will not be described in detail here.

[0021] When using: Before personnel observe the material surface on the trolley, they first control the electric roller shutter door 2 to fall. The electric roller shutter door 2 drives the guard plate 5 to move down through the guide rod 3 and the connecting plate 4. The guard plate 5 drives the detection plate 6 to move down. When the proximity sensor 8 detects the detection plate 6 passing by, it means that the guard plate 5 has landed on the material transport trolley. At this time, the electric roller shutter door 2 is controlled to continue falling. Then, personnel can go up to the material transport trolley to observe the fabric. At this time, the personnel are located between the material roll and the electric roller shutter door 2. After observation is completed, control the electric roller shutter door 2 to retract until the upper proximity sensor 7 detects the detection plate 6 passing by and stops retracting. Only then can the material transport trolley be controlled to move, ensuring the safety of personnel and equipment.

[0022] This utility model creates a retractable flexible guardrail by using an electric roller shutter door 2 in conjunction with a liftable guardrail 5. This forms a reliable physical barrier between personnel and the dangerous sleeve trench, effectively preventing personnel from falling. Furthermore, the protective device is installed on a fixed gantry mounting frame 1 rather than the trolley itself, fundamentally avoiding structural interference problems caused by sharing the trolley, and achieving compatibility between safety protection and equipment sharing.

[0023] The parts not disclosed in this utility model are all prior art, and their specific structures, materials, and working principles will not be described in detail. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electric lifting and protective device for a rolling mill material handling trolley, comprising a gantry mounting frame (1) installed on both sides of the sleeve passage, characterized in that: An electric roller shutter door (2) is installed on the inner side of the gantry mounting frame (1), and a guard plate (5) that can fall onto the material transport trolley is installed at the bottom of the roller shutter door (2).

2. The electric lifting and protective device for the rolling mill material handling trolley according to claim 1, characterized in that: The electric roller shutter door (2) has two parallel guide rods (3) installed at the bottom of the roller shutter door. The two guide rods (3) are connected by a connecting plate (4). The guard plate (5) is installed at the bottom of the connecting plate (4).

3. The electric lifting and protective device for the rolling mill material handling trolley according to claim 2, characterized in that: The two ends of the guide rod (3) are slidably arranged in the groove of the electric roller shutter door (2).

4. The electric lifting and protective device for the rolling mill material handling trolley according to claim 1, characterized in that: A detection plate (6) is provided on the upper surface of the guard plate (5) near the electric roller shutter door (2), and an upper proximity sensor (7) is provided on the upper side of the electric roller shutter door (2) corresponding to the detection plate (6).

5. The electric lifting and protective device for the rolling mill material handling trolley according to claim 4, characterized in that: The electric roller shutter door (2) is provided with a lower proximity sensor (8) on the lower side corresponding to the detection plate (6).

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