Retractable low-scattering metal support system

Abstract

The invention discloses a low-scattering metal support system capable of being stored. The low-scattering metal support system comprises a supporting assembly, a pitching assembly, an auxiliary supporting rail car, a ground rail, a hydraulic system, a monitoring system and a control system. The ground rail is arranged at the bottom of the darkroom pit; one end of the ground rail is connected with the hydraulic system; the auxiliary supporting rail car is arranged above the ground rail; the upper portion of the pitching assembly is fixedly connected with the supporting assembly through a nut. The monitoring system is installed on the side wall of one side of the darkroom pit. According to the low-scattering metal support, a hidden pit is shallower, the size of a darkroom is smaller, and the construction cost of the darkroom is low; pitching and walking are hydraulically driven, the speed is high, the stability is high, the failure rate is low, and the testing efficiency is high; the vertical column is driven by a multi-stage oil cylinder to pitch, the installation distance is short, the telescopic stroke is long, small space and large installation distance are achieved, and the equipment manufacturing cost is reduced; and the monitoring and control system has higher safety and controllability.

Description

Technical Field

[0001] The invention relates to the technical field of low-scattering metal brackets for darkroom measurement, in particular to a retractable low-scattering metal bracket system. Background Art

[0002] The low-scattering metal bracket is an important component for supporting the target to be measured in the RCS measurement of the compact field of the microwave darkroom. It has a high frequency and low RCS value and is suitable for the support system of high-frequency, heavy-loaded, and large-volume targets to be measured. Usually, the RCS compact field darkroom is equipped with two support systems, foam columns and low-scattering metal brackets, which are switched according to the test needs. How to quickly and efficiently hide the low-scattering metal bracket has always been a difficulty. Most of the existing solutions are to move the low-scattering metal bracket through the ground T-shaped track to the absorbing screen on the back wall of the darkroom to hide it or to hide it through the vertical lifting of the deep pit. The screen solution needs to lengthen the size of the darkroom and increase the construction cost of the darkroom and the screen; the deep pit vertical lifting solution greatly increases the cost of civil construction and the manufacturing cost of the lifting vehicle. Patent [CN202223251912.5] provides a transfer and flipping device for low-scattering heavy-load metal brackets, which has the problems of excessively long pit size, slow pitch speed, and poor screw overload accuracy, resulting in low efficiency in switching test states. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a retractable low-scattering metal support system, including a support assembly, a pitch assembly, an auxiliary support rail car, a ground rail, a hydraulic system, a monitoring system and a control system; the low-scattering metal support system is arranged as a whole in a darkroom pit, the ground rail is arranged at the bottom of the darkroom pit, and one end of the ground rail is connected to the hydraulic system; the auxiliary support rail car is arranged above the ground rail and slides according to the track direction of the ground rail; the top of the pitch assembly is fixedly connected to the support assembly through a nut; the monitoring system is installed on one side wall of the darkroom pit; the control system controls the support assembly, the pitch assembly, the auxiliary support rail car, the hydraulic system and the monitoring system through a cable.

[0004] Furthermore, the support assembly specifically includes: a two-dimensional rotating top, a knife-shaped column, and an absorbing material; the knife-shaped column is installed above the pitch assembly, the outer side of the knife-shaped column is covered with absorbing material, and the two-dimensional rotating top is installed on the top of the knife-shaped column.

[0005] Furthermore, the pitch assembly specifically includes: a column support seat, a pitch rail car, and a hydraulic cylinder; the pitch rail car is installed on the right side of the auxiliary support rail car and is set on the ground rail, a hydraulic cylinder is installed at one end of the bottom of the pitch rail car, and the other end is connected to the column support seat; the column support seat and the hydraulic cylinder are connected by a pin shaft.

[0006] Furthermore, the hydraulic system specifically includes: a hydraulic station, a hydraulic cylinder, a hydraulic motor, a hydraulic oil pipe and a control valve group; the hydraulic station is arranged at one end of the ground rail, and is respectively connected to the hydraulic cylinder, the hydraulic motor and the control valve group through the hydraulic oil pipe; wherein the hydraulic cylinder is installed in the pitch assembly to provide power for the pitch assembly to perform pitch movement; the hydraulic motor is installed in the auxiliary support rail vehicle and the pitch rail vehicle to provide power for the auxiliary support rail vehicle and the pitch rail vehicle; the control valve group is arranged in the hydraulic station, and the control valve group cooperates with the hydraulic oil pipe to provide oil circuit guarantee for the hydraulic system.

[0007] Furthermore, the monitoring system specifically includes a first camera and a second camera: the first camera is installed on the side wall of the pit directly below the working position of the low-scatter metal bracket, and is used to monitor the rotation of the upper end of the low-scatter metal bracket and whether there is interference with other equipment during the pitching process; the second camera is installed on the side wall of the pit on the side of the pitch rail car at the storage position of the low-scatter metal bracket, and is used to monitor the equipment status of the pitch assembly and the auxiliary support rail car.

[0008] Furthermore, the control system specifically includes: a host industrial computer, a power control module, a motion control module, and a drive control unit; the drive control unit is respectively connected to the support assembly, the pitch assembly, the auxiliary support rail vehicle, the hydraulic system, and the monitoring system through cables; the power control module is used to provide power to the host industrial computer, the motion control module, and the drive control unit; the host industrial computer is configured to receive control instructions sent by an operator, and send the control instructions to the motion control module; the motion control module is configured to receive the instructions, parse the instructions, generate a control signal, and send the control signal to the drive control unit; the drive control unit is configured to receive the control signal, and control one or more operations of the support assembly, the pitch assembly, the auxiliary support rail vehicle, the hydraulic system, and the monitoring system based on the control signal.

[0009] Furthermore, the driving control unit specifically includes: a swivel top azimuth axis unit, a swivel top pitch axis unit, a pitch rail vehicle translation axis unit, an auxiliary support rail vehicle translation axis unit, and a hydraulic cylinder unit.

[0010] Furthermore, the upper industrial computer includes: a data receiving module, a data analysis and processing module, and a monitoring and early warning module; the data receiving module is used to receive the data signal collected by the drive control unit and the image information collected by the monitoring system, and forward it to the data analysis and processing module; the data analysis and processing module performs analysis and processing based on the received data signal and image information, and sends the analysis results to the monitoring and early warning module; the monitoring and early warning module is used to determine the system operation status according to the analysis results, and when an abnormal situation occurs, it will alarm and notify nearby staff to deal with the location where the abnormal situation occurs.

[0011] The present invention provides a retractable low-scattering metal bracket system, which has the following beneficial effects: The low-scattering metal bracket provided by the present invention has a shallower hidden pit, a smaller darkroom size, and a low darkroom construction cost; the pitch and travel are hydraulically driven, with fast speed, high stability, low failure rate, and high testing efficiency; the column pitch is driven by a multi-stage cylinder, with a short installation distance and a long telescopic stroke, achieving a large installation distance in a small space and reducing equipment manufacturing costs; the monitoring and control system has higher safety and controllability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0013] Figure 1 A schematic diagram of the system structure provided by the present invention; Figure 2 A schematic diagram of the working state of the system provided by the present invention; Figure 3 A schematic diagram of the storage state of the system provided by the present invention; Figure 4 A schematic diagram of the pitch assembly structure provided by the present invention; Figure 5 A schematic structural diagram of the auxiliary support rail vehicle provided by the present invention. DETAILED DESCRIPTION

[0014] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0015] The following is a detailed description of the implementation method of the present invention in conjunction with the accompanying drawings. Only some embodiments are described, not all embodiments. For the purpose of clarity, representations and descriptions that are not related to the present invention are omitted in the drawings and descriptions.

[0016] In order to have a clearer understanding of the technical features, purposes and beneficial effects of the present invention, the technical solution of the present invention is now described in detail below. Obviously, the implementation cases described are part of the embodiments of the present invention, not all of the embodiments, and cannot be understood as limiting the scope of the implementation of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0017] like Figure 1 As shown, the present invention provides a retractable low-scattering metal support system, including a support assembly, a pitch assembly, an auxiliary support rail car, a ground rail, a hydraulic system, a monitoring system and a control system; the low-scattering metal support system is arranged as a whole in a darkroom pit, the ground rail is arranged at the bottom of the darkroom pit, and one end of the ground rail is connected to the hydraulic system; the auxiliary support rail car is arranged above the ground rail and slides according to the track direction of the ground rail; the top of the pitch assembly is fixedly connected to the support assembly through a nut; the monitoring system is installed on one side wall of the darkroom pit; the control system controls the support assembly, the pitch assembly, the auxiliary support rail car, the hydraulic system and the monitoring system through cables.

[0018] Support components, such as Figure 5 As shown, it specifically includes: a two-dimensional swivel top, a knife-shaped column, and an absorbing material; the knife-shaped column is installed above the pitch component, the outer side of the knife-shaped column is covered with an absorbing material, and the two-dimensional swivel top is installed on the top of the knife-shaped column. The two-dimensional swivel top includes an azimuth drive mechanism and a pitch drive mechanism. The azimuth movement is achieved by driving the slewing bearing gear ring through the reduction gear, and the pitch movement is achieved by driving the screw drive nut through the reduction gear. The knife-shaped column is designed with a low-scattering shape, and the part close to the swivel top is covered with a low-scattering shape absorbing material. The main structure is formed by welding steel plates and reinforcing the core, and then heat treatment is performed to eliminate stress, and the surface is finely processed.

[0019] Pitch components, such as Figure 4As shown, it specifically includes: a column support seat, a pitch rail car, and a hydraulic cylinder; the pitch rail car is installed on the right side of the auxiliary support rail car and is set on the ground rail. A hydraulic cylinder is installed at one end of the bottom of the pitch rail car, and the other end is connected to the column support seat; the column support seat and the hydraulic cylinder are connected by a pin shaft. The column support seat adopts a box structure, which can withstand the bending moment brought by the support assembly, adjust the column forward tilt angle by fine-tuning the pillar, connect the knife-shaped column through a flange, connect the cylinder through the cylinder ear plate, and connect the pitch rail car through a slewing shaft seat. The pitch rail car is connected to the cylinder through the cylinder support, connected to the column support seat through the return shaft ear seat, the system overturning moment is reduced by the counterweight, the rail car slides through the precision guide slider, the rail car moves through the hydraulic motor, the column support seat mechanical limit structure is used to prevent collision, and the pitch angle is controlled by the slewing shaft system pitch angle feedback component. The hydraulic cylinder is used to achieve pitch action.

[0020] The hydraulic system specifically includes: a hydraulic station, a hydraulic cylinder, a hydraulic motor, a hydraulic oil pipe and a control valve group; the hydraulic station is arranged at one end of the ground rail, and is respectively connected to the hydraulic cylinder, the hydraulic motor and the control valve group through the hydraulic oil pipe; wherein the hydraulic cylinder is installed in the pitch assembly to provide power for the pitch assembly to perform pitch movement; the hydraulic motor is installed in the auxiliary support rail vehicle and the pitch rail vehicle to provide power for the auxiliary support rail vehicle and the pitch rail vehicle; the control valve group is arranged in the hydraulic station, and the control valve group cooperates with the hydraulic oil pipe to provide oil circuit guarantee for the hydraulic system.

[0021] The monitoring system specifically includes a first camera and a second camera: the first camera is installed on the side wall of the pit directly below the working position of the low-scatter metal bracket, and is used to monitor the rotation of the upper end of the low-scatter metal bracket and whether there is interference with other equipment during the pitch process; the second camera is installed on the side wall of the pit on the side of the pitch rail car at the storage position of the low-scatter metal bracket, and is used to monitor the equipment status of the pitch assembly and the auxiliary support rail car.

[0022] The control system specifically includes: a host industrial computer, a power control module, a motion control module, and a drive control unit; the drive control unit is respectively connected to the support assembly, the pitch assembly, the auxiliary support rail vehicle, the hydraulic system, and the monitoring system through cables; the power control module is used to provide power to the host industrial computer, the motion control module, and the drive control unit; the host industrial computer is configured to receive control instructions sent by an operator, and send the control instructions to the motion control module; the motion control module is configured to receive the instructions, parse the instructions, generate a control signal, and send the control signal to the drive control unit; the drive control unit is configured to receive the control signal, and control one or more operations of the support assembly, the pitch assembly, the auxiliary support rail vehicle, the hydraulic system, and the monitoring system based on the control signal.

[0023] Among them, the upper industrial computer includes: a data receiving module, a data analysis and processing module, and a monitoring and early warning module; the data receiving module is used to receive the data signal collected by the drive control unit and the image information collected by the monitoring system, and forward it to the data analysis and processing module; the data analysis and processing module performs analysis and processing based on the received data signal and image information, and sends the analysis results to the monitoring and early warning module; the monitoring and early warning module is used to determine the system operation status according to the analysis results, and to alarm when an abnormal situation occurs and notify nearby staff to deal with the location where the abnormal situation occurs.

[0024] The driving control unit specifically includes: a swivel azimuth axis unit, a swivel pitch axis unit, a pitch rail vehicle translation axis unit, an auxiliary support rail vehicle translation axis unit, and a hydraulic cylinder unit. Among them, the swivel azimuth axis unit and the swivel pitch axis unit are used to control the azimuth angle and pitch angle adjustment of the two-dimensional swivel respectively; the pitch rail vehicle translation axis unit is used to control the movement of the pitch rail vehicle on the ground rail; the auxiliary support rail vehicle translation axis unit is used to control the movement of the auxiliary support rail vehicle on the ground rail; the hydraulic cylinder unit is used to control the operation of the hydraulic cylinder and the hydraulic motor.

[0025] The specific working principle of the metal stent system of the present invention is as follows: Figure 2 , Figure 3As shown: The low-scattered gold bracket in the storage position is lifted by the pitch assembly to the working angle, and then the pitch assembly pitch rail car is operated to the working position and locked. The pitch assembly lifts the support assembly by more than 1°, drives the auxiliary support rail car into the support position, and the pitch assembly contracts so that the auxiliary support rail car supports the column to support the pitch assembly. Then the part to be tested is installed on the two-dimensional turntable. According to the test requirements, the turntable adjusts the posture of the part to be tested in pitch and azimuth. After the test is completed, the pitch assembly lifts the support assembly, the auxiliary rail car runs to the support position, and the pitch rail car runs to the storage position. After the monitoring system confirms that there is no abnormality, the control system controls the pitch assembly to recycle the support assembly, and the metal bracket is stored.

[0026] The low-scattering metal bracket provided by the present invention has a shallower hidden pit, a smaller darkroom size, and a low darkroom construction cost; the pitch and travel are hydraulically driven, with fast speed, high stability, low failure rate, and high testing efficiency; the column pitch is driven by a multi-stage cylinder, with a short installation distance and a long telescopic stroke, achieving a large installation distance in a small space and reducing equipment manufacturing costs; the monitoring and control system has higher safety and controllability.

[0027] The above is only a preferred embodiment of the present invention. It should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art shall not deviate from the spirit and scope of the present invention, and shall be within the scope of protection of the claims attached to the present invention.

Claims

1. A retractable low-scattering metal bracket system, characterized in that: It includes support components, pitch components, auxiliary support railcars, ground rails, hydraulic systems, monitoring systems and control systems; The low-scattering metal support system is arranged as a whole in the darkroom pit, the ground rail is arranged at the bottom of the darkroom pit, and one end of the ground rail is connected to the hydraulic system; the auxiliary support rail vehicle is arranged above the ground rail and slides according to the track direction of the ground rail; the top of the pitch assembly is fixedly connected to the support assembly through a nut; the monitoring system is installed on one side wall of the darkroom pit; The control system controls the support assembly, the pitch assembly, the auxiliary support rail vehicle, the hydraulic system, and the monitoring system through cables.

2. The retractable low-scattering metal stent system according to claim 1, characterized in that: The support assembly specifically includes: a two-dimensional rotating top, a knife-shaped column, and an absorbing material; The knife-shaped column is installed above the pitch assembly, the outer side of the knife-shaped column is covered with a wave-absorbing material, and the two-dimensional rotating top is installed on the top of the knife-shaped column.

3. The retractable low-scattering metal stent system according to claim 1, characterized in that: The pitch assembly specifically includes: a column support seat, a pitch rail car, and a hydraulic cylinder; The pitch rail car is installed on the right side of the auxiliary support rail car and is set on the ground rail. A hydraulic cylinder is installed at one end of the bottom of the pitch rail car, and the other end is connected to a column support seat; the column support seat and the hydraulic cylinder are connected by a pin shaft.

4. The retractable low-scattering metal stent system according to claim 1, characterized in that: The hydraulic system specifically includes: a hydraulic station, a hydraulic cylinder, a hydraulic motor, a hydraulic oil pipe and a control valve group; The hydraulic station is arranged at one end of the ground rail, and is respectively connected with the hydraulic cylinder, the hydraulic motor, and the control valve group through the hydraulic oil pipe; wherein the hydraulic cylinder is installed in the pitch assembly to provide power for the pitch assembly to perform pitch movement; the hydraulic motor is installed in the auxiliary support rail vehicle and the pitch rail vehicle to provide power for the auxiliary support rail vehicle and the pitch rail vehicle; the control valve group is arranged in the hydraulic station, and the control valve group cooperates with the hydraulic oil pipe to provide oil circuit guarantee for the hydraulic system.

5. The retractable low-scattering metal stent system according to claim 1, characterized in that: The monitoring system specifically includes a first camera and a second camera: The first camera is installed on the side wall of the pit directly below the working position of the low-scatter metal bracket, and is used to monitor whether there is interference between the top rotation and pitching process of the upper end of the low-scatter metal bracket and other equipment; The second camera is installed on the side wall of the pit on the side of the pitch rail car located at the low-scattering metal bracket storage position, and is used to monitor the equipment status of the pitch assembly and the auxiliary support rail car.

6. The retractable low-scattering metal stent system according to claim 1, characterized in that: The control system specifically includes: a host industrial computer, a power control module, a motion control module, and a drive control unit; The drive control unit is respectively connected to the support assembly, the pitch assembly, the auxiliary support rail vehicle, the hydraulic system, and the monitoring system through cables; The power control module is used to provide power to the upper industrial computer, the motion control module and the drive control unit; The upper industrial computer is configured to receive a control instruction sent by an operator and send the control instruction to the motion control module; The motion control module is configured to receive the instruction, parse the instruction, generate a control signal, and send the control signal to the drive control unit; The drive control unit is configured to receive the control signal, and control one or more operations of the support assembly, the pitch assembly, the auxiliary support rail vehicle, the hydraulic system, and the monitoring system based on the control signal.

7. The retractable low-scattering metal stent system according to claim 6, characterized in that: The driving control unit specifically includes: a swivel top azimuth axis unit, a swivel top pitch axis unit, a pitch rail vehicle translation axis unit, an auxiliary support rail vehicle translation axis unit, and a hydraulic cylinder unit.

8. The retractable low-scattering metal stent system according to claim 6, characterized in that: The upper industrial computer includes: a data receiving module, a data analysis and processing module, and a monitoring and early warning module; The data receiving module is used to receive the data signal collected by the driving control unit and the image information collected by the monitoring system, and forward them to the data analysis and processing module; The data analysis and processing module performs analysis and processing based on the received data signals and image information, and sends the analysis results to the monitoring and early warning module; The monitoring and early warning module is used to determine the system operation status according to the analysis results, and to issue an alarm when an abnormal situation occurs and notify nearby staff to handle the location where the abnormal situation occurs.

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