阅读说明：本技术 一种水下等离子机自动调整装置 (Automatic adjusting device of underwater plasma machine ) 是由 张鹏昊 马中笙 陈鑫 杜旭光 林国洪 邱兴明 于 2021-08-10 设计创作，主要内容包括：本发明公开了一种水下等离子机自动调整装置,所述装置包括：夹持支架、位移平台、夹持底板、电机、位置测量传感器和控制系统；夹持支架用于固定不同规格的等离子割枪；位移平台与电机输出轴连接,用于调整夹持支架的位置,保证在切割过程中等离子切割头与被切割工件表面之间的距离保持在5mm左右；位置测量传感器用于实时测量及反馈等离子切割头与被切割工件表面之间的距离,控制系统用于信息交换及控制。本发明公开的水下等离子机自动调整装置能够实现水下环境中等离子机切割时的自动化调整,避免人员手动调整,从而避免工作人员直接暴露在辐照环境下中,同时通过自动调整的方式提高等离子机的切割效率。(The invention discloses an automatic adjusting device of an underwater plasma machine, which comprises: the device comprises a clamping bracket, a displacement platform, a clamping bottom plate, a motor, a position measuring sensor and a control system; the clamping bracket is used for fixing plasma cutting guns with different specifications; the displacement platform is connected with the output shaft of the motor and used for adjusting the position of the clamping bracket and ensuring that the distance between the plasma cutting head and the surface of the workpiece to be cut is kept about 5mm in the cutting process; the position measuring sensor is used for measuring and feeding back the distance between the plasma cutting head and the surface of the cut workpiece in real time, and the control system is used for information exchange and control. The automatic adjusting device of the underwater plasma machine disclosed by the invention can realize automatic adjustment of the plasma machine in an underwater environment during cutting, and avoids manual adjustment of personnel, so that the direct exposure of the personnel to an irradiation environment is avoided, and meanwhile, the cutting efficiency of the plasma machine is improved in an automatic adjusting mode.)

1. An automatic adjustment device of an underwater plasma machine, which is characterized by comprising: the device comprises a clamping support (1), a displacement platform (2), a clamping bottom plate (3), a motor (4), a position measuring sensor and a control system (5), wherein the clamping support (1) is arranged on the displacement platform (2); the displacement platform (2) is arranged in a groove on the upper surface of the clamping bottom plate (3); the motor (4) is positioned on the side surface of the clamping bottom plate (3), and the shaft of the motor (4) is connected with the displacement platform (2); a measuring sensor is arranged in the clamping bottom plate (3); the control system (5) is connected with the motor (4) and the position measuring sensor; the motor (4) has a waterproof function.

2. The automatic adjusting device of the underwater plasma machine according to claim 1, wherein the clamping diameter of the clamping bracket (1) is adjustable, and the diameter adjusting range is 40 mm-65 mm.

3. The automatic underwater plasma machine adjustment device according to claim 1, characterized in that said motors (4) are one or two.

4. The automatic underwater plasma machine regulation device according to claim 1, characterized in that said control system (5) comprises: the device comprises a signal acquisition control module, a main control module, a motor control module, a display module, a power supply module and a remote control system.

5. The automatic adjusting device of an underwater plasma machine as claimed in claim 4, wherein the power supply module comprises a power supply unit of the signal acquisition control module, and the power supply unit performs isolation and noise reduction processing.

Technical Field

The invention belongs to the field of plasma cutting, and particularly relates to an automatic adjusting device of an underwater plasma cutting machine.

Background

In the operation process of a nuclear reactor for decades, internal components of the nuclear reactor have a strong radiation field due to long-term nuclear radiation, so when the nuclear reactor is out of service, automatic machines such as robots and power manipulators are generally adopted to replace manual work for dismantling, and therefore, radioactive radiation of workers is reduced or avoided.

As a cutting tool with highest cutting efficiency and strongest stability in the decommissioning process of an underwater reactor, the distance between a plasma cutting head and the surface of a workpiece to be cut must be ensured to be about 5mm in the cutting process of an underwater plasma machine, so that the plasma machine for underwater cutting must be specially provided with an automatic adjusting device to meet the requirement of the cutting distance.

The existing automatic adjusting device of the plasma machine mainly realizes the cutting under the specified cutting distance through a limit switch, but the automatic adjusting device with the limit switch is only suitable for controlling and adjusting the cutting of materials horizontally placed on the ground and cannot be used for operating an underwater retired reactor.

Therefore, there is a need for an automatic adjustment device for underwater plasma machine, which can automatically adjust the distance between the plasma machine and the workpiece to be cut in the underwater environment.

Disclosure of Invention

In view of the above, the present invention provides an automatic adjustment device for an underwater plasma machine, which can realize automatic adjustment of the plasma machine in an underwater environment during cutting, and avoid manual adjustment by personnel, thereby avoiding direct exposure of the personnel to an irradiation environment, and simultaneously improving cutting efficiency of the plasma machine by an automatic adjustment mode.

In order to achieve the purpose, the invention adopts the following technical scheme: an automatic adjustment device for an underwater plasma machine, the device comprising: the device comprises a clamping support, a displacement platform, a clamping bottom plate, a motor, a position measuring sensor and a control system, wherein the clamping support is arranged on the displacement platform; the displacement platform is arranged on the clamping bottom plate; the motor is positioned on the side surface of the clamping bottom plate, and the shaft of the motor is connected with the displacement platform; the position measuring sensor is arranged in the clamping bottom plate; the control system is connected with the motor and the position measuring sensor; the motor has a waterproof function.

Preferably, the clamping diameter of the clamping bracket is adjustable, and the diameter adjusting range is 40-65 mm.

Preferably, the number of the motors is one or two.

Preferably, the control system includes: the device comprises a signal acquisition control module, a main control module, a motor control module, a display module, a power supply module and a remote control system.

Preferably, in the power module, the unit for supplying power to the signal acquisition control module performs isolation and noise reduction processing.

The invention has the beneficial effects that: the automatic adjusting device of the underwater plasma machine utilizes the position measuring sensor, the control system, the motor and the displacement platform, the components are coordinated through the control system and mutually matched to realize the automatic adjustment of the distance of the plasma machine in the underwater environment during cutting, and the manual adjustment of personnel is avoided, so that the direct exposure of the personnel in the irradiation environment is avoided, and meanwhile, the cutting efficiency of the plasma machine is improved in an automatic adjusting mode.

Drawings

FIG. 1 is a schematic view of an assembly structure of an automatic adjustment device of an underwater plasma machine according to the present invention;

FIG. 2 is a schematic view of a clamping bracket structure of the automatic adjusting device of the underwater plasma machine of the present invention;

FIG. 3 is a schematic view of the structure of the displacement platform and the motor assembly of the automatic adjustment device of the underwater plasma machine of the present invention;

FIG. 4 is a schematic view of a clamping bottom plate structure of the automatic adjusting device of the underwater plasma machine of the present invention;

in the figure: 1. the clamping device comprises a clamping support 2, a displacement platform 3, a clamping bottom plate 4, a motor 5 and a control system.

Detailed Description

It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited embodiments and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the invention, and these changes and combinations are within the scope of the invention.

The invention is described in detail below with reference to the figures and specific embodiments.

An automatic adjustment device of an underwater plasma machine as shown in fig. 1, the device comprising: the device comprises a clamping support 1, a displacement platform 2, a clamping bottom plate 3, a motor 4, a position measuring sensor and a control system 5. The clamping support 1 is arranged on the displacement platform 2, the clamping diameter is adjustable within the range of 40 mm-65 mm, and the clamping support is used for fixing plasma cutting guns with different specifications; the displacement platform 2 is arranged above the clamping base plate 3, is connected with an output shaft of the motor and is used for adjusting the position of the clamping bracket 1 so as to ensure that the distance between the plasma cutting head and the surface of a workpiece to be cut is kept about 5mm in the cutting process; the position measuring sensor is installed inside the clamping bottom plate 3 and is connected with the control system through the waterproof aerial plug, the distance between the plasma cutting head and the surface of a cut workpiece is measured and fed back in real time, and after the control system 5 receives feedback information, the motor 4 is driven, and the motor 4 drives the displacement platform 2 to adjust the position of the plasma cutting head.

The number of the motors 4 is one or two according to the dimension of the controlled displacement platform, and the motors 4 have a waterproof function due to the fact that the motors are used for adjusting the position of the underwater plasma machine.

The control system 5 includes: the remote control system comprises a signal acquisition control module, a main control module, a motor control module, a display input module, a power supply module and a remote control system, wherein the signal acquisition control module is mainly used for acquiring signals of the working state, the working voltage, the working current, the fault state and the like of the plasma power supply; the main control module is mainly used for carrying out interactive processing on signals of other control modules, mainly adjusting the distance between the plasma cutting torch and a workpiece in real time according to the real-time feedback of the sensor, and adjusting parameters such as arc voltage, arc striking time and the like of the plasma machine, the speed of the plasma cutting torch and an arc voltage signal of plasma so as to ensure continuous and stable plasma flame in the cutting process; the motor control module mainly converts a pulse signal output by the main control module into a current signal, controls the motor to move at a constant speed and a constant distance, and realizes accurate and controllable position of the plasma gun by combining a displacement platform; the display input module mainly displays the working state of each module and can set parameters; the power supply module provides stable power supply for each unit, and because the signal acquisition control module is easily influenced by clutter of other working power supplies, the power supply module performs inner independent isolation noise reduction processing on the power supply; the remote control system is mainly used for reserving a communication interface for remote control of the system, and can realize remote system control in a non-pollution area through an extended Ethernet network cable, so that remote automatic adjustment of plasma cutting is realized.