阅读说明：本技术 一种飞机方向舵射线检测自动化系统 (Airplane rudder ray detection automatic system ) 是由 汪荣华 李龙 吴云坤 于 2019-10-21 设计创作，主要内容包括：本发明涉及一种飞机方向舵射线检测自动化系统,包括设备支架、具有PLC控制系统的远程控制台,所述设备支架上设有通过EATHERCAT总线受PLC控制系统控制以用于支撑方向舵的支撑装置和控制同步移动以用于全面探伤方向舵的射线机装置及成像板装置；还包括用于观察现场工作情况便于人工操作的监控装置。本发明具有结构设计合理、使用方便等优点。既保证了射线机和成像板同步移动,又避免了射线辐射安全风险。该装置投入使用后,能够大大提高某型飞机方向舵的射线检测工效,工作效率提高了50％以上,同时可以减少人员进出铅房次数,从而规避了辐射安全风险。(The invention relates to an automatic ray detection system for an aircraft rudder, which comprises an equipment support and a remote control console with a PLC (programmable logic controller) control system, wherein the equipment support is provided with a supporting device which is controlled by the PLC control system through an EATHERCAT bus and is used for supporting the rudder, and a ray machine device and an imaging plate device which control synchronous movement and are used for comprehensively detecting the flaw of the rudder; the monitoring device is used for observing the working condition on site and facilitating manual operation. The invention has the advantages of reasonable structural design, convenient use and the like. The ray machine and the imaging plate are ensured to move synchronously, and the ray radiation safety risk is avoided. After the device is put into use, the ray detection work efficiency of a rudder of a certain airplane can be greatly improved, the working efficiency is improved by more than 50%, and meanwhile, the times of personnel entering and exiting a lead house can be reduced, so that the radiation safety risk is avoided.)

1. The utility model provides an aircraft rudder ray detection automatic system which characterized in that: the device comprises an equipment support (1) and a remote control console with a PLC control system, wherein the equipment support (1) is provided with a supporting device which is controlled by the PLC control system through an EATHERCAT bus and is used for supporting a rudder, and a ray machine device and an imaging plate device which control synchronous movement and are used for comprehensively detecting the flaw of the rudder;

the monitoring device is used for observing the working condition on site and facilitating manual operation.

2. An automated aircraft rudder radiation detection system according to claim 1 and further characterised by: and a human-computer interface which consists of a touch screen and has the functions of flaw detection position displacement, system parameter setting, state display and alarm is arranged on the remote control console.

3. An automated aircraft rudder radiation detection system according to claim 1 and further characterised by: the supporting device comprises a plurality of supporting strips (2) which are uniformly distributed side by side and the upper surfaces of which are covered with rubber layers (21), and lifting cylinders (3) which are fixedly connected with the equipment support (1) are arranged at the two ends of each supporting strip (2).

4. An automated aircraft rudder radiation detection system according to claim 3 wherein: each support bar (2) top both sides all are equipped with side guard plate (4), be equipped with on lifting cylinder (3) and be used for detecting the upper and lower safety sensor (5) that the support bar goes up and down to target in place.

5. An automated aircraft rudder radiation detection system according to claim 1 and further characterised by: the ray machine device comprises an upright post (11) moving along the Y-axis direction of the equipment support (1), a support (14) which is arranged on the upright post (11) in a sliding mode along the X-axis direction and can lift along the Z-axis direction, and a ray machine (15) is arranged on the support (14).

6. An automated aircraft rudder radiation detection system according to claim 1 and further characterised by: the imaging plate device comprises a support plate (20) which is connected with the ray machine device and synchronously moves along the Y-axis direction of the equipment support (1), and a lifting cylinder (23) which is arranged on the support plate (20) in a sliding mode along the X-axis direction, wherein the lifting cylinder (23) is connected with an imaging plate (25) which is horizontally arranged.

7. An automated aircraft rudder radiation detection system according to claim 6 and further characterised by: and a collision detection sensor (28) for detecting whether the imaging plate (25) and the supporting device interfere with each other is arranged on the lifting cylinder (23).

8. An automated aircraft rudder radiation detection system according to claim 1 and further characterised by: the monitoring device is composed of a monitoring camera and an operation room observation screen.

Technical Field

The invention relates to the technical field of aviation product detection, in particular to an automatic ray detection system for an airplane rudder.

Background

X-ray flaw detection operation is required in the maintenance of the rudder of the airplane, the conventional flaw detection operation is fixed by using an ray machine, workpieces and films are manually detected in a moving mode, and multiple operations are required for detecting the flaw of a single workpiece. Because the ray is harmful to the human body, every operation needs to wait for the ray in the flaw detection chamber to be completely eliminated, and the operator can enter the flaw detection chamber to manually shift, so that the efficiency of the detection process is low, and the personnel safety has a large risk.

Therefore, in order to improve the efficiency of flaw detection operation, save the waiting time for displacement and reduce the safety risk of operators by colleagues, a set of automatic flaw detection equipment needs to be designed to realize remote control displacement of workpiece flaw detection operation.

Disclosure of Invention

In order to solve the technical problem, the invention provides an automatic ray detection system for an airplane rudder.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

an automatic ray detection system for an airplane rudder comprises an equipment support and a remote control console with a PLC control system, wherein a supporting device which is controlled by the PLC control system through an EATHERCAT bus and is used for supporting the rudder, a ray machine device which controls synchronous movement and is used for comprehensively detecting the flaw of the rudder, and an imaging plate device are arranged on the equipment support;

the monitoring device is used for observing the working condition on site and facilitating manual operation.

Furthermore, a human-computer interface which is composed of a touch screen and has the functions of flaw detection position displacement, system parameter setting, state display and alarm is arranged on the remote control console.

Further, strutting arrangement includes that a plurality of equipartition side by side and upper surface cover have the support bar on the rubber layer, and the both ends of each support bar all are equipped with the lifting cylinder with equipment support fixed connection.

Furthermore, both sides above each supporting bar are provided with side guard plates, and the lifting cylinder is provided with an upper safety sensor and a lower safety sensor which are used for detecting whether the supporting bars are lifted in place or not.

Furthermore, the ray machine device comprises an upright post moving along the Y-axis direction of the equipment support, and a support which is arranged on the upright post in a sliding mode along the X-axis direction and can lift along the Z-axis direction, wherein the ray machine is arranged on the support.

Furthermore, the imaging plate device comprises a support plate which is connected with the ray machine device and synchronously moves along the Y-axis direction of the equipment support, and a lifting cylinder which is arranged on the support plate in a sliding mode along the X-axis direction, wherein the imaging plate is horizontally arranged and connected onto the lifting cylinder.

Furthermore, the lifting cylinder is provided with a collision detection sensor for detecting whether the imaging plate and the supporting device interfere with each other.

Furthermore, the monitoring device is composed of a monitoring camera and an operation room observation screen.

The invention has the beneficial effects that:

the invention has the advantages of reasonable structural design, convenient use and the like. The ray machine and the imaging plate are ensured to move synchronously, and the ray radiation safety risk is avoided. After the device is put into use, the ray detection work efficiency of a rudder of a certain airplane can be greatly improved, the working efficiency is improved by more than 50%, and meanwhile, the times of personnel entering and exiting a lead house can be reduced, so that the radiation safety risk is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples:

FIG. 1 is a schematic flow chart of the system of the present invention;

FIG. 2 is a schematic diagram of a control system framework in the present invention;

FIG. 3 is a schematic view of the system interface in imaging plate mode of the present invention;

FIG. 4 is a schematic structural view of an apparatus stand, a support device, a radiographic apparatus, and an imaging plate apparatus according to the present invention;

FIG. 5 is a schematic view of the support device of the present invention;

FIG. 6 is a schematic view of the structure of the ray apparatus of the present invention;

FIG. 7 is a schematic view of the structure of an imaging plate assembly according to the present invention;

fig. 8 is a schematic view of the process for detecting the lower end of the supporting bar in the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained in the following with the accompanying drawings and the embodiments.

As shown in fig. 2 and 4, an automatic aircraft rudder ray detection system mainly comprises three parts: the device comprises a main control system, a device body and a monitoring system.

The main control system is used for controlling the whole action process of the equipment body and comprises a remote control console with a PLC control system; the equipment body is used for supporting a workpiece and bearing a detection part, and comprises an equipment bracket 1, a supporting device arranged on the equipment bracket 1, a ray machine device and an imaging plate device; the monitoring system comprises a monitoring camera and an operation room observation screen.

Specifically, due to the fact that radioactive elements are arranged on the site, operation control is conducted in a remote control mode, namely a remote control console is placed outside a protective workshop, and a human-computer interface which is composed of a touch screen and has the functions of flaw detection position displacement, system parameter setting, state display and alarming is arranged on the remote control console. A PLC control system is used as a main control unit, and the motions of the supporting device, the ray machine device and the imaging plate device are controlled through an EATHERCAT bus protocol; the method comprises the following steps of carrying out communication through a human-computer interface on a remote control console of a PROFINET and other bus protocols, and receiving an instruction; the digital quantity input and output module is expanded, and the control of the air cylinders in the supporting device and the imaging plate device and the acquisition of sensor signals are realized.

As shown in fig. 3, the detection area is divided into a 3x6 format according to the imaging plate format employed. During operation, the areas needing to be detected are manually selected, after confirmation, the ray machine device and the imaging plate device automatically move to the corresponding detection areas, after the ray machine device finishes detection, detection confirmation is clicked on a screen, the system automatically records the finished detection areas and highlights the finished detection areas, and an operator is reminded of finishing detection.

As shown in fig. 4 and 5, the supporting device comprises five supporting bars 2 which are uniformly distributed side by side and the upper surfaces of which are covered with rubber layers 21; the five support bars 2 can cover the size range of the whole rudder, the rubber layer 21 can increase the friction with the rudder, the rudder is prevented from sliding on the rubber layer, and meanwhile, the rubber layer plays a role in protecting the rudder and avoids the damage of the rudder when being placed; the two sides above each support bar 2 are provided with side guard plates 4, and the side guard plates 4 play a role in limiting the transverse movement of the rudder and stabilizing the rudder; two ends of each supporting bar 2 are provided with a lifting cylinder 3, and the lifting cylinders 3 are fixedly arranged on the equipment support 1; and each lifting cylinder 3 is provided with an upper safety sensor 5 and a lower safety sensor 5, the upper safety sensors and the lower safety sensors 5 are used for detecting whether the supporting bars 2 are lifted in place or not, and when the requirements are not met with the set requirements, the upper safety sensors and the lower safety sensors 5 provide alarm signals.

As shown in fig. 4 and 6, ray machine device is including setting up guide rail 6 and rack 7 on equipment support 1 and along the distribution of Y axle direction, slide mounting has bottom plate 8 on guide rail 6, be equipped with driving motor 9 on the bottom plate 8, driving motor 9 is connected with the gear 10 with rack 7 meshing, drives gear 10 through driving motor 9 and rotates to under the direction of guide rail 6, bottom plate 8 moves along the Y axle direction. The base plate 8 is provided with an upright post 11, the upper end part of the upright post 11 is a horizontal extension part, a second guide rail 12 is distributed on the horizontal extension part along the X-axis direction, a sliding plate 13 is arranged on the second guide rail 12 in a sliding manner, and a first lead screw 18 matched with the sliding plate 13 and a second driving motor 19 connected with the first lead screw 18 are arranged on the horizontal extension part; the lateral wall department of slide 13 is equipped with along the gliding support 14 of Z axle direction, be equipped with on the support 14 and be connected with slide 13 and be used for the No. three guide rail 141 of direction and No. two lead screws 16 of being connected with slide 13, the upper end of support 14 is equipped with ray machine 15, the bottom of support 14 is equipped with the handle 16 with No. two lead screws 16 cooperation in order to realize ray machine 15 height control, handle 16 has locking function.

As shown in fig. 4 and 7, the imaging plate device includes an extension plate 20 connected with a bottom plate 8, four guide rails 21 which are slidably matched with the extension plate 20 for guiding the extension plate in the Y axis direction are distributed on the equipment support 1 in the Y axis direction, five guide rails 22 are distributed on the extension plate 20 in the X axis direction, a lifting cylinder 23 is slidably mounted on the five guide rails 22, an imaging plate tray 24 which is horizontally arranged is connected above the lifting cylinder 23, the imaging plate tray 24 is designed to be a detachable structure, and an imaging plate 25 is arranged on the imaging plate tray 24. The lifting cylinder 23 is used for driving the imaging plate 25 to move up and down, and a 10mm gap is formed between the imaging plate 25 and the bottom surface of the rudder. The support plate 20 is also provided with a third screw rod 26 which is connected with the lifting cylinder 23 and used for moving in the X-axis direction, and a third driving motor 27 which drives the third screw rod 26 to rotate; in addition, in order to prevent the moving imaging plate 25 from colliding with the stay bar 2, the lift cylinder 23 is provided with a collision detection sensor 28.

Based on the above, the movement of the ray machine along the X-axis direction is to complete the detection of the entire rudder width direction in cooperation with the imaging plate 25.

The reason why the radiographic apparatus can be moved in the Z-axis direction is to meet the requirement that the two types of imaging panels 25 have different heights with respect to the radiographic apparatus 15.

The ray machine device and the imaging plate device move along the Y-axis direction, so that the imaging plate 25 and the ray machine 15 move along the length direction of the rudder, and the accessibility of detection of the whole rudder area is ensured.

Five support bars 2 work independently respectively, by lift cylinder 3 drive, in operation, lift cylinder 3 stretches out and drives support bar 2 and hold up whole rudder, when the imaging plate device need detect support bar 2 position, corresponding lift cylinder 3 returns back, support bar 2 breaks away from with the rudder, imaging plate 25 removes between the two, ray machine 15 sends the ray, accomplish the detection to this position, imaging plate 25 shifts out after the detection is accomplished, lift cylinder 3 drives support bar 2 and supports the rudder once more.

Fig. 1 is a schematic diagram of the system operation process of the present invention. Firstly, carrying the rudder to a supporting device by adopting a manual loading paradigm, marking an effective detection area on the supporting device, and placing the rudder in the area according to requirements; then, starting the equipment, and carrying out self-checking and zeroing on the system; manually selecting a detection area through a human-computer interface, and moving the ray machine 15 and the imaging plate 25 to corresponding areas through a PLC control system; then, starting a ray machine 15 to detect the detection area; after the detection is finished, observing whether a receiving instruction appears, if so, moving the equipment to a zero position to finish the detection; if not, the instruction is waited, and the detection steps are repeated.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.