CN210594964U - Safety protection device of grinding machine on gantry crane hanging roller - Google Patents
Safety protection device of grinding machine on gantry crane hanging roller Download PDFInfo
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- CN210594964U CN210594964U CN201920853981.2U CN201920853981U CN210594964U CN 210594964 U CN210594964 U CN 210594964U CN 201920853981 U CN201920853981 U CN 201920853981U CN 210594964 U CN210594964 U CN 210594964U
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- grinding machine
- gantry crane
- protection device
- photoelectric switch
- safety protection
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Abstract
A safety protection device of a grinding machine on a hanging roller of a gantry crane belongs to the field of automatic intelligent control. The device is detected through a photoelectric switch, the photoelectric switch is vertically and downwards installed at the position of a trolley of the gantry crane, the reflector is made into a small reflector of 6cm multiplied by 6cm and is installed at a fixed position on a grinding machine, centering is guaranteed in the process of placing and taking a roller above the grinding machine through aiming, and when the gantry crane performs lifting action above the grinding machine, the safety of the grinding machine is guaranteed.
Description
Technical Field
The invention belongs to the application of an automatic intelligent control technology, and improves the safety performance of a gantry crane in the operation process through a photoelectric switch signal.
Background
At present, with the development of intellectualization, the project is mainly applied to the full-automatic operation of the gantry crane, most of the original gantry cranes adopt remote control operation, and the unmanned automatic operation of the gantry crane is realized by combining with a software database.
The automatic operation of the gantry crane can reduce the working intensity of personnel, improve the accuracy of work in an area, improve the safety of the whole system and realize the automation and the intellectualization of the whole process.
In the process of realizing automatic operation of the gantry crane, when the gantry crane is arranged on a grinding machine through a hanging roller, the conventional safety protection device is not perfect, manual remote observation is needed to avoid the gantry crane from colliding with the grinding machine in the automatic operation process, the precision of the method is not enough, and the use of personnel is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main objective avoids the portal crane to collide with the grinding machine at the automatic operation in-process, and then plays the effect of protection grinding machine.
A safety protection device of a grinder on a hanging roller of a gantry crane mainly comprises: a photoelectric switch 2 on the gantry crane 1 and a reflector 3 on the grinding machine 5. The photoelectric switch 2 is arranged on one side of a trolley beam of the gantry crane 1, and the reflector 3 is arranged on the grinding machine 5; in the process that the lifting roller 4 ascends or descends above the grinding machine 5, the photoelectric switch 2 is opposite to the reflector 3.
The safety protection device also comprises an alarm 7, and the photoelectric switch 2 is connected with the alarm 7 through signal analysis of the programmable controller 6. Because the relative position of the gantry crane and the grinding machine is controlled by a cart and a trolley of the gantry crane, a photoelectric switch is installed at a proper position on the trolley, and a small reflector plate with the size of 6cm multiplied by 6cm is installed at a proper position on the grinding machine, so that the position of the cart and the position of the grinding machine can be ensured to be fixed, and the gantry crane is used as a linkage condition to ensure that the gantry crane always faces the grinding machine in the process of lifting and releasing the roller.
The utility model discloses a guarantee that portal crane is hanging the roller and putting the roller in-process and just guaranteeing the safety of grinding machine to the grinding machine always.
Drawings
Fig. 1 is a structural view of a safety protection device. The device comprises a gantry crane 1, a photoelectric switch 2, a reflector 3, a roller 4, a grinding machine 5, a programmable controller 6 and an alarm 7.
Detailed Description
A safety protection device of a grinder on a hanging roller of a gantry crane mainly comprises: photoelectric switch 2 on the portal crane, reflector panel 3 on the grinding machine. The photoelectric switch 2 is arranged on one side of a trolley beam of the gantry crane, and the reflector 3 of 6cm multiplied by 6cm is arranged on the grinding machine; in the process of installing the roller, the photoelectric switch 2 is opposite to the reflecting plate 3.
The safety protection device also comprises an alarm 7, and the photoelectric switch 2 is connected with the alarm 7 through signal analysis of a programmable controller.
When the gantry crane automatically reaches the upper part of the grinding machine to execute a descending command or the gantry crane is ready to ascend at the position of the grinding machine, firstly, the programmable controller 6 analyzes and processes a feedback signal of the photoelectric switch 2 to confirm whether the gantry crane is right opposite to the roller position of the grinding machine, if the position is correct, a signal of the photoelectric switch normally returns, ascending and descending operation of the gantry crane is continuously executed, if the position is incorrect, the signal of the photoelectric switch cannot return, the gantry crane is stopped in a linkage manner, and meanwhile, an alarm is output to prompt an operator to check the field condition.
In addition to the one security device described above, there are several other interlocks:
(1) and coordinates of the big trolley are interlocked, so that the coordinate values are ensured to be consistent with corresponding values of the grinding machine.
(2) And the chain connected with the grinding machine by a hard wire ensures that the grinding machine detects the state of whether the roller exists or not in the stop state.
(3) And informing the state of the grinding machine through software linkage and software communication, and judging whether the gantry crane can run or not.
Claims (2)
1. A safety protection device of a grinder on a hanging roller of a gantry crane is characterized in that the protection device comprises a photoelectric switch (2) on the gantry crane (1) and a reflector (3) on a grinder (5); wherein the photoelectric switch (2) is arranged on one side of a trolley beam of the gantry crane (1), and the reflector (3) is arranged on the grinding machine (5); in the process that the lifting roller (4) ascends or descends above the grinding machine (5), the photoelectric switch (2) is opposite to the reflector (3).
2. The protection device of claim 1, wherein: the safety protection device also comprises an alarm (7), and the photoelectric switch (2) is connected with the alarm (7) through signal analysis of the programmable controller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920853981.2U CN210594964U (en) | 2019-06-06 | 2019-06-06 | Safety protection device of grinding machine on gantry crane hanging roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920853981.2U CN210594964U (en) | 2019-06-06 | 2019-06-06 | Safety protection device of grinding machine on gantry crane hanging roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210594964U true CN210594964U (en) | 2020-05-22 |
Family
ID=70721539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920853981.2U Active CN210594964U (en) | 2019-06-06 | 2019-06-06 | Safety protection device of grinding machine on gantry crane hanging roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210594964U (en) |
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2019
- 2019-06-06 CN CN201920853981.2U patent/CN210594964U/en active Active
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