Double protection device for transfer platform
Through the combination of infrared sensors and proximity switch limit sensors and PLC controllers, the dual protection of the relocation station is achieved, solving the problem of insufficient safety of traditional relocation stations, reducing the risk of accidents, and improving the safety and operation stability of equipment.
Patent Information
- Application Number
- CN202422934893.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The traditional relocation platform control system relies on a single limit device, resulting in insufficient safety, which may cause the train car to rush out of the predetermined location, and there is a risk of accidents.
The infrared sensor and proximity switch limit sensor are combined with the PLC controller to achieve dual protection. The infrared sensor detects the position of the train car, and the proximity switch sensor is behind the limit block. The PLC controller controls the power supply of the re-adjustment machine to ensure that the train car does not rush out of the limit block.
Through the dual protection device, the accident risk is significantly reduced and the safety of the relocation station is improved. It has a simple structure and a small maintenance workload, providing stable operation continuity.
Smart Images
Figure CN223290856U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vehicle transfer platform equipment and relates to a double protection device for a vehicle transfer platform. Background Art
[0002] In steel production and logistics, the car dumper platform is a crucial component of the unloading system. Its primary function is to pull train cars from the loaded line to the empty line. Its safety is directly related to production efficiency and personnel safety. Traditional car dumper control systems rely on a single limit device to prevent train cars from moving out of their intended position. However, in actual use, various reasons, such as program failures in the resetting machine, improper operation, untimely response, or misjudgment, can threaten the safety of personnel and equipment, potentially leading to accidents. Utility Model Content
[0003] The problem solved by the present invention is to provide a double protection device for a vehicle transfer platform, so as to solve the problems mentioned in the above background technology and to increase the safety of the vehicle transfer platform.
[0004] In order to solve the above problems, the technical solution adopted by the present invention is: it includes a transfer platform with a track on the top, the track is provided with a limit block, the transfer platform is provided with a proximity switch limit sensor and an infrared sensor, the proximity switch limit sensor is located behind the limit block, the infrared sensor is located on the upper side of the transfer platform, the proximity switch limit sensor and the infrared sensor are connected to the PLC controller, and the PLC controller is connected to the readjustment machine and the transfer platform. The realignment machine pulls the train car from the heavy vehicle line to the track of the transfer platform, and the infrared sensor is used to detect whether there is a train car on the transfer platform. When the infrared sensor detects that there is a train car on the transfer platform, the signal is transmitted to the PLC controller, and the PLC controller controls the realignment machine to stop pulling the train car to prevent the train car from rushing through the limit block; if the program of the realignment machine fails, causing the train car to rush through the limit block, at this time the proximity switch limit sensor senses the train car, and the signal is transmitted to the PLC controller, and the PLC controller immediately cuts off the power supply of the realignment machine to prevent the realignment machine from continuing to run and causing the train car to rush out of the transfer platform.
[0005] In the above technical solution, a more specific technical solution may also be: the proximity switch limit sensor is fixed to the vehicle transfer platform by screws.
[0006] Furthermore: the infrared sensor is fixed on the vehicle moving platform through a support rod.
[0007] Furthermore: the height of the support pole is 1 meter to 1.5 meters.
[0008] Furthermore: wheels are provided below the vehicle transfer platform.
[0009] Due to the adoption of the above technical solution, the present invention has the following beneficial effects compared with the prior art: dual monitoring of the vehicle transfer platform operation process is achieved through the infrared sensor and the proximity switch limit sensor, greatly reducing the risk of accidents; the present invention has a simple structure, small maintenance workload, and low cost, provides safety protection for the operation of the tipping machine equipment, and is an ideal dual protection device for stabilizing the continuity of the tipping machine operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural diagram of the present utility model.
[0011] Figure 2 It is a working schematic diagram of the utility model.
[0012] In the figure: 1. Transfer platform; 2. Track; 21. Limit block; 3. Traveling wheel; 4. Proximity switch limit sensor; 5. Infrared sensor; 51. Support rod; 6. Loading line; 7. Empty line. DETAILED DESCRIPTION
[0013] The present invention will be further described below in conjunction with the accompanying drawings:
[0014] like Figure 1 and Figure 2The double protection device of the moving platform shown includes a moving platform 1 with a track 2 on the top, the track 2 is provided with a limit block 21, the moving platform 1 is provided with a proximity switch limit sensor 4 and an infrared sensor 5, the proximity switch limit sensor 4 is located behind the limit block 21, the infrared sensor 5 is located on the upper side of the moving platform 1, the proximity switch limit sensor 4 and the infrared sensor 5 are connected to the PLC controller, and the PLC controller is connected to the realignment machine and the moving platform 1. The realignment machine pulls the train car from the reloading line 6 to the track 2 of the moving platform 1, and the infrared sensor 5 is used to detect whether there is a train car on the moving platform 1. When the infrared sensor 5 detects that a train car on the moving platform 1 rushes out of the parking area, the signal is transmitted to the PLC controller, and the PLC controller controls the realignment machine to stop pulling the train car to prevent the train car from rushing through the limit block 21; if the program of the realignment machine fails, causing the train car to rush through the limit block 21, the proximity switch limit sensor 4 senses the fire at this time. The signal is transmitted to the PLC controller, and the PLC controller immediately cuts off the power supply of the realignment machine to prevent the realignment machine from continuing to run and causing the train car to rush out of the transfer platform 1; the proximity switch limit sensor 4 is fixed to the transfer platform 1 by screws; the infrared sensor 5 is fixed to the transfer platform 1 by a support rod 51; the height of the support rod 51 is 1 meter to 1.5 meters. In this example, the height of the support rod 51 is 1.2 meters; wheels are provided under the transfer platform 1, and the transfer platform 1 moves to the empty car line 7 through the wheels to transfer the car.
[0015] It should be noted that the PLC controller provided by this utility model is a common device in the prior art. The technical solution of this utility model can be achieved by simply connecting it through the connection relationship provided in the embodiments of this utility model and setting up the PLC controller in a conventional manner. This does not involve any improvements in control methods or software. As for the parameter setting and usage of the PLC controller, those skilled in the art can purchase the PLC controller and refer to the accompanying instruction manual to implement the corresponding control settings. Detailed explanation is not provided here.
Claims
1. A double protection device for a vehicle transfer platform, comprising a vehicle transfer platform with a track on top, characterized in that: The track is provided with a limit block, and the transfer platform is provided with a proximity switch limit sensor and an infrared sensor. The proximity switch limit sensor is located behind the limit block, and the infrared sensor is located above the side of the transfer platform. The proximity switch limit sensor and the infrared sensor are connected to the PLC controller, and the PLC controller is connected to the readjustment machine and the transfer platform.
2. The double protection device for the transfer platform according to claim 1, characterized in that: The proximity switch limit sensor is fixed to the vehicle moving platform by screws.
3. The double protection device for the transfer platform according to claim 2, characterized in that: The infrared sensor is fixed on the vehicle moving platform via a support rod.
4. The double protection device for the vehicle transfer platform according to claim 3, characterized in that: The height of the support pole is 1 meter to 1.5 meters.
5. The double protection device for the vehicle transfer platform according to claim 4, characterized in that: Wheels are provided below the vehicle transfer platform.