Rocket tank welding seam X-ray detection device and system

Abstract

The invention discloses a rocket tank welding seam X-ray detection device and system, and relates to the technical field of X-ray detection. According to the X-ray detection device and system for the welding seam of the rocket storage tank, the X-ray detection device for the welding seam of the rocket storage tank, a mechanical system, an X-ray machine, a flat panel detector and an RGV transport vehicle, the X-ray machine comprises an X-ray tube, a high-voltage cable, a high-voltage generator, a controller and a cooler, and the X-ray detection system for the welding seam of the rocket storage tank is used for detecting the welding seam of the rocket storage tank. Comprising an electric control system, an image processing system and a monitoring system, the electric control system comprises an electric control cabinet, an operation table, a power distribution cabinet, a controller, a sensor and a servo motor, the electric control system is used for driving, and a driving signal is connected with an X-ray host console through a communication transmission cable. And the upper computer can visually observe the welding seam state. The production efficiency, the production cost, the production period and the economic benefits are better than those of traditional manual pasting.

Description

Technical Field

[0001] The invention relates to the technical field of X-ray detection, and in particular to a rocket tank weld X-ray detection device and system. Background Art

[0002] The tanks of active launch vehicles are mainly made of aluminum alloy plates welded together. The main welding methods are fusion welding and stir friction welding. Due to the influence of different environmental conditions and welding processes, various types of defects will inevitably appear inside the welds. These welding defects affect the safety and performance of the tanks to a certain extent. X-ray inspection of welds of commercial space rocket tanks aims at the shortcomings of traditional weld inspection technology, manual patching, low degree of automation, low control accuracy, poor stability, and manual data recording. A rocket tank bottom weld X-ray inspection device and system are designed. Summary of the invention

[0003] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and to provide a rocket tank weld X-ray detection device and system, which can solve the problems of insufficient stage tank weld detection technology, manual patching, low degree of automation, low control accuracy, poor stability, and manual data recording.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rocket tank weld X-ray detection device, comprising a mechanical system, an X-ray machine, a flat-panel detector and an RGV transport vehicle, wherein the X-ray machine comprises an X-ray tube, a high-voltage cable, a high-voltage generator, a controller and a cooler;

[0005] Among them, flat panel detector, model: XRD series, power consumption, 25W, limit resolution not less than 5.0lp / mm;

[0006] The mechanical system includes a flat panel bracket, a probe arm is installed on the flat panel bracket, and a grating is installed on the probe arm.

[0007] Preferably, the RGV transport vehicle comprises a 15-meter-long body and two sliding support frames, six support rollers are installed on the outside of the sliding support frames, two each at the front, rear and middle, and .9kw servo motors and turbine reducers are installed on the support rollers on the left and right sides of the rear of the body.

[0008] Preferably, the supporting rollers on the left and right sides of the rear part of the vehicle body are driven to move by a 2.9kw servo motor and a turbine reducer respectively.

[0009] Preferably, the sliding support frame is provided with a supporting wheel group, the supporting wheel group is an active supporting wheel, and the supporting wheel group is provided with a 1.8kw servo motor and a second turbine reducer.

[0010] Preferably, the sliding support frame can slide along the linear guide rail on the vehicle body along its entire length, and the left and right wheel groups on each sliding support frame can slide laterally through T-shaped slide rails to match cylinders of different diameters. The wheel groups are driven to rotate by a .8kw servo motor and a second turbine reducer.

[0011] Preferably, the 15-meter vehicle body is divided into three sections, each section is five meters long and connected by bolts.

[0012] Preferably, a rocket tank weld X-ray detection system includes an electronic control system, an image processing system and a monitoring system. The electronic control system includes an electronic control cabinet, an operating table, a distribution cabinet, a controller, a sensor, and a servo motor. The electronic control system is driven, and the drive signal is connected to the X-ray host console through a communication transmission cable.

[0013] Preferably, the image processing system adopts all complete functional modules required for DR detection, including Chinese interface operation, image acquisition, image dynamic noise reduction, dynamic display, dynamic recording, static integral noise reduction, image contrast and brightness adjustment, image positive and negative film display switching, image grayscale change processing, image storage, review, process file saving and selection of use functions.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The rocket tank weld X-ray detection device and system improves the shortcomings of traditional manual patch detection, and the host computer can visually observe the weld status. Whether in terms of production efficiency, production cost, production cycle, economic benefits, digital factory management, convenience and practicality, it is superior to traditional manual patch, and has better application prospects in the field of rocket tank weld detection.

[0016] 2. The rocket tank weld X-ray detection device and system of the present invention is specially equipped with a rocket tank weld X-ray detection device and system, which utilizes servo closed-loop control, has a simple structure, good dynamic response characteristics, millimeter-level precise parking, stable operation, modular design, rapid repair and maintenance, control functions, optimized process, and improved production efficiency.

[0017] 3. The rocket tank weld X-ray detection device and system belong to the field of rocket tank weld X-ray detection technology. The rocket tank weld detection technology improves the shortcomings of traditional detection, such as manual patching, low degree of automation, low control accuracy, poor stability, and manual recording of data. The rocket tank weld X-ray detection replaces traditional film detection to realize the automation and digitization of weld X-ray detection. It adopts a high-frequency X-ray machine to increase the stability, reliability and image stability of the equipment. It adopts a 100μm, 16bit, CsI high-definition flat panel, the system resolution is better than 5.0lp / mm, the radiation protection leakage dose is less than 2.5μSv / h (national standard), full safety guarantee, and a dual-linear image quality meter recognition function. Moreover, the mechanical principle of the device is simple, energy-saving and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a schematic diagram of the system composition structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the mechanical system of the present invention;

[0021] Figure 3 This is a schematic diagram of the overall spatial layout of the present invention;

[0022] Figure 4 This is a schematic diagram of the electric control cabinet of the present invention;

[0023] Figure 5 This is a schematic diagram of the RGV transport vehicle of the present invention;

[0024] Figure 6 The communication topology diagram of the present invention;

[0025] Figure 7 This is a schematic diagram of the RGV transport vehicle remote control of the present invention;

[0026] Figure 8 The figure is a schematic diagram of the detailed process flow of the present invention.

[0027] Figure numerals: 1, electric control cabinet; 2, flat bracket; 3, probe arm; 4, grating; 5, vehicle body; 6, sliding support frame; 7, support wheel assembly; 8, supporting roller; 9, 2.9kw servo motor; 10, turbine reducer; 11, 1.8kw servo motor; 12, second turbine reducer. DETAILED DESCRIPTION

[0028] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0029] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In the description of the present invention, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0032] See also Figure 1-8 ,The present invention provides a technical solution: a rocket tank weld X-ray detection device, including a mechanical system, an X-ray machine, a flat panel detector and an RGV transport vehicle;

[0033] Among them, the X-ray machine includes an X-ray tube, a high-voltage cable, a high-voltage generator, a controller, and a cooler;

[0034] Among them, flat panel detector, model: XRD series, power consumption, 25W, limit resolution not less than 5.0lp / mm;

[0035] The mechanical system includes a flat panel support 2, a probe arm 3 is mounted on the flat panel support 2, and a grating 4 is mounted on the probe arm 3;

[0036] The RGV transport vehicle includes a 15-meter-long vehicle body 5 and two sliding support frames 6. Six support rollers 8 are installed on the outside of the sliding support frame 6, two each at the front, rear and middle. The support rollers 8 on the left and right sides of the rear of the vehicle body 5 are both installed with 2.9kw servo motors 9 and turbine reducers 10.

[0037] The supporting rollers 8 on the left and right sides of the rear of the vehicle body 5 are driven by two 2.9kw servo motors 9 and a turbine reducer 10 respectively;

[0038] Among them, a supporting wheel group 7 is arranged on the sliding support frame 6, and the supporting wheel group 7 is an active supporting wheel. A 1.8kw servo motor 11 and a second turbine reducer 12 are arranged on the supporting wheel group 7;

[0039] Among them, the sliding support frame 6 can slide along the linear guide rail on the vehicle body 5 along its entire length. The left and right roller groups on each sliding support frame 6 can slide horizontally through the T-shaped slide rail to match the cylinders of different diameters. The roller group 7 is driven to rotate by a 1.8kw servo motor 11 and a second turbine reducer 12.

[0040] Among them, the 15-meter car body is divided into three sections, each section is five meters long and connected by bolts.

[0041] A rocket tank weld X-ray detection system, comprising an electronic control system, an image processing system and a monitoring system;

[0042] The electric control system includes an electric control cabinet 1, an operating table, a power distribution cabinet, a controller, a sensor, a servo motor, and the electric control system is driven, and the drive signal is connected to the X-ray host console through a communication transmission cable;

[0043] Adopting Inovance servo motor MS1H3 series, dual motor drive, interpolation control, good synchronization, better dynamic response. The car body is equipped with Inovance servo motor, which is configured diagonally to drive the tank to rotate and find the appropriate position for X-ray inspection. The RGV car is controlled by the signal sent by the host computer, and can also be controlled separately by the remote control;

[0044] Among them, the image processing system uses all the complete functional modules required for DR detection. It is simple to operate, easy to use with both hands, and can be improved according to user requirements. The software includes Chinese interface operation, image acquisition, image dynamic noise reduction, dynamic display, dynamic recording, static integral noise reduction, image contrast and brightness adjustment, image positive and negative film display switching, image grayscale change processing, image storage, review, process file storage and selection and use, etc. Through the control interface, it can be linked with the mechanical control system, and detection can be achieved with one click to improve work efficiency;

[0045] Among them, the monitoring system uses Hikvision, the monitoring camera has 4 million 2K high-definition full-color night vision and voice intercom, is dustproof and waterproof, supports two types of fill lighting: white light and infrared, and the working mode can be switched through the Hikvision Internet APP.

[0046] Furthermore, the rocket tank weld X-ray detection device and system and the drive device should all adopt advanced AC or DC digital servo motors, and the speed feedback system should adopt digital encoder feedback to achieve closed-loop feedback control with good dynamic response characteristics; it should have high flexibility, adopt programming control, and carry out Profinet communication through the communication module TP01, model HG800; the control system should adopt Mitsubishi processor PLC, model FX5U, to carry out position and other signal acquisition and conversion control; the host computer display should adopt Dell 17-inch screen, model E1715S; the servo drive controller should adopt Inovance drive motor MS1H3 series, and perform position closed-loop control through the encoder.

[0047] The rocket tank weld X-ray inspection device and system are equipped with an independent electronic control system and a visual human-machine interface, which mainly displays the main control interface, parameter settings, IO data, image imaging, historical data, system information, and login interface.

[0048] Further, for a detailed process flow of a rocket tank weld X-ray inspection system, please refer to Figure 8 ,After the process starts to conduct system self-inspection, the RGV vehicle arrives at the designated position, and ,detects whether the RGV vehicle has arrived or not. If it arrives or not, the RGV vehicle will arrive at the designated position. After closing the X-ray lead door, detect ,whether it is closed. After closing, the laser collimator adjusts the X-ray, and then detects whether the X-ray is qualified. The qualified ,monitoring system ,observes, places the weld in the imaging area to detect whether it is qualified. After it is qualified, the ,process ends.

[0049] Furthermore, the rocket tank weld X-ray inspection device and system improves the shortcomings of traditional manual patch detection, and the host computer can visually observe the weld status. Whether in terms of production efficiency, production cost, production cycle, economic benefits, digital factory management, convenience and practicality, it is superior to traditional manual patch, and has better application prospects in the field of rocket tank weld detection.

[0050] Furthermore, the present invention is specially equipped with a rocket tank weld X-ray detection device and system, which utilizes servo closed-loop control, has a simple structure, good dynamic response characteristics, millimeter-level precision parking, stable operation, modular design, rapid repair and maintenance, control functions, optimized processes, and improved production efficiency.

[0051] Furthermore, the present invention belongs to the technical field of rocket tank weld X-ray detection. Rocket tank weld detection technology improves the shortcomings of traditional detection, such as manual patching, low degree of automation, low control accuracy, poor stability, and manual recording of data. Rocket tank weld X-ray detection replaces traditional film detection to realize automation and digitization of weld X-ray detection. It adopts high-frequency X-ray machine to increase the stability, reliability and image stability of the equipment. It adopts 100μm, 16bit, CsI high-definition flat panel, the system resolution is better than 5.0lp / mm, the radiation protection leakage dose is less than 2.5μSv / h (national standard), with full safety guarantee and dual linear image quality meter recognition function. Moreover, the mechanical principle of the device is simple, energy-saving and environmentally friendly.

[0052] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A rocket tank weld X-ray detection device, comprising a mechanical system, an X-ray machine, a flat panel detector and an RGV transport vehicle, characterized in that: The X-ray machine includes an X-ray tube, a high-voltage cable, a high-voltage generator, a controller, and a cooler; Among them, flat panel detector, model: XRD series, power consumption, 25W, limit resolution not less than 5.0lp / mm; The mechanical system comprises a flat panel support (2), a probe arm (3) is mounted on the flat panel support (2), and a grating (4) is mounted on the probe arm (3).

2. A rocket tank weld X-ray detection device and system according to claim 1, characterized in that: The RGV transport vehicle comprises a fifteen-meter-long vehicle body (5) and two sliding support frames (6). Six support rollers (8) are installed outside the sliding support frames (6), with two each at the front, rear and middle. The support rollers (8) at the left and right sides of the rear of the vehicle body (5) are both installed with 2.9kw servo motors (9) and turbine reducers (10).

3. The rocket tank weld X-ray detection device and system according to claim 1, characterized in that: The supporting rollers (8) on the left and right sides of the rear of the vehicle body (5) are driven to move by two 2.9kw servo motors (9) and a turbine reducer (10) respectively.

4. A rocket tank weld X-ray detection device and system according to claim 1, characterized in that: The sliding support frame (6) is provided with a supporting wheel group (7), the supporting wheel group (7) is an active supporting wheel, and the supporting wheel group (7) is provided with a 1.8kw servo motor (11) and a second turbine reducer (12).

5. The rocket tank weld X-ray detection device and system according to claim 1, characterized in that: The sliding support frame (6) can slide along the linear guide rail on the vehicle body (5) along its entire length. The left and right supporting wheel groups on each sliding support frame (6) can slide horizontally through the T-shaped slide rail to match cylinders with different diameters. The supporting wheel group (7) is driven to rotate by a 1.8kw servo motor (11) and a second turbine reducer (12).

6. A rocket tank weld X-ray detection device and system according to claim 1, characterized in that: The 15-meter vehicle body (5) is divided into three sections, each section is 5 meters long and connected by bolts.

7. A rocket tank weld X-ray detection system, comprising an electronic control system, an image processing system and a monitoring system, characterized in that: The electric control system comprises an electric control cabinet (1), an operating table, a power distribution cabinet, a controller, a sensor, and a servo motor. The electric control system is driven, and a drive signal is connected to the X-ray host console via a communication transmission cable.

8. A rocket tank weld X-ray detection system according to claim 7, characterized in that: The image processing system adopts all the complete functional modules required for DR detection, including Chinese interface operation, image acquisition, image dynamic noise reduction, dynamic display, dynamic recording, static integral noise reduction, image contrast and brightness adjustment, image positive and negative film display switching, image grayscale change processing, image storage, review, process file saving and selection use functions.

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