Fixing device for X-ray flaw detector

Abstract

The utility model discloses a fixing device for an X-ray flaw detector. The fixing device comprises a first supporting plate, a clamping mechanism, a third supporting plate and a direction adjusting mechanism, the rear side of the first supporting plate is fixedly connected with a second supporting plate through evenly-distributed supporting columns, and the third supporting plate is located on the rear side of the second supporting plate. The clamping mechanism is arranged between the first supporting plate and the second supporting plate; the direction adjusting mechanism comprises adjusting seats and a second supporting frame, the adjusting seats are fixedly connected to the rear side face of the second supporting plate, the second supporting frame is fixedly connected to the front side face of the third supporting plate, and the front end of the second supporting frame is rotationally connected with the rear ends of the adjusting seats through pin shafts; according to the fixing device for the X-ray flaw detector, automatic clamping is achieved, the driving stability of the clamp is good, and the working efficiency of the X-ray flaw detector is improved to a certain degree.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial flaw detection, in particular to a fixing device for an X-ray flaw detector. Background Art

[0002] Shipbuilding, petroleum, chemical, machinery, aerospace, transportation and construction industries need to use the welding quality of materials, parts and components such as hulls, pipelines, high-pressure vessels, boilers, aircraft, vehicles and bridges, as well as the quality of various light metals, rubbers, ceramics and other processed parts. X-ray The method of transillumination photography shows the internal defects of parts and welding processed from materials on X-ray films to evaluate the quality of finished products. During the use of X-ray flaw detectors, special auxiliary fixtures are required for fixing;

[0003] The traditional flaw detector is directional radiation, and the directional radiation is fixed. The radiation cone angle of the ray beam is generally in the range of 40° to 45°, and it remains so after being fixed with a fixture;

[0004] This type of X-ray flaw detector fixture has the following problems: because the directional radiation irradiation angle is limited, the fixture angle remains unchanged and multiple irradiations are required for effective flaw detection, and the clamping fixture has poor driving stability and low work efficiency. Therefore, we propose a fixture for an X-ray flaw detector. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a fixing device for an X-ray flaw detector to ensure the comprehensive and accurate flaw detection operation, solve the problem of flaw detection error caused by the limited irradiation angle of directional radiation, and effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing device for an X-ray flaw detector, comprising a first support plate, a clamping mechanism, a third support plate and an azimuth adjustment mechanism;

[0007] The first support plate: the rear side of which is fixedly connected to the second support plate through evenly distributed pillars, and the third support plate is located at the rear side of the second support plate;

[0008] Clamping mechanism: it is arranged between the first supporting plate and the second supporting plate;

[0009] Azimuth adjustment mechanism: It includes an adjustment seat and a second support frame, the adjustment seat is fixedly connected to the rear side of the second support plate, the second support frame is fixedly connected to the front side of the third support plate, and the front end of the second support frame is rotatably connected to the rear end of the adjustment seat through a pin shaft, thereby ensuring the comprehensive accuracy of the flaw detection operation, solving the problem of flaw detection error caused by the limited irradiation angle of directional radiation, automatic clamping, and good fixture driving stability, which increases the working efficiency of the X-ray flaw detector to a certain extent.

[0010] Furthermore, the azimuth adjustment mechanism also includes a support plate, a worm and a half worm gear. The support plate is installed on the middle part of the front side surface of the third support plate by bolts. The middle part of the support plate is rotatably connected to the worm by a bearing. The half worm gear is arranged on the middle part of the rear side surface of the second support plate by a support. The worm is meshingly connected to the half worm gear. The angle adjustment of the adjustment seat is achieved through the meshing action of the worm and the half worm gear.

[0011] Furthermore, the center of the half worm gear is located on the central axis of the pin shaft at the connection between the second support frame and the adjustment seat, and the half worm gear and the adjustment seat pin shaft are in a concentric position, which is conducive to the rotation of the half worm gear to drive the adjustment seat to adjust the angle.

[0012] Furthermore, it also includes a base, which is installed on the bottom end of the front side of the third support plate by bolts. The upper end of the base is provided with a motor through a motor seat. The upper end of the output shaft of the motor is fixedly connected to the bottom end of the worm. The input end of the motor is electrically connected to the output end of an external controller. The rotation of the motor output shaft drives the worm to rotate, thereby driving the semi-worm gear to rotate.

[0013] Furthermore, the clamping mechanism includes a first support frame, a claw support plate and a claw. The first support frame is installed on the front side of the first support plate by bolts. The interior of the first support frame is rotatably connected to the claw support plate by a rotating pin. The front end of the claw support plate is fixedly connected to the claw. The claw support plate rotates in the first support frame to drive the claw to achieve an opening and closing effect.

[0014] Furthermore, the clamping mechanism also includes an electric telescopic rod, a support seat and a pull rod, the electric telescopic rod is arranged in the middle part of the front side surface of the second support plate, the telescopic end of the electric telescopic rod passes through the circular opening in the middle part of the first support plate and is fixedly connected to the support seat, the interior of the support seat is rotatably connected to two pull rods through a pin shaft, and the front ends of the pull rods are rotatably connected to the avoidance opening in the middle part of the adjacent claw support plate through an adjusting pin, the input end of the electric telescopic rod is electrically connected to the output end of the external controller, and the support seat is driven to move forward and backward by the telescopic movement of the electric telescopic rod, and the support seat drives the pull rod to pull the claw support plate to achieve the fixing effect of the claw.

[0015] Furthermore, mounting holes are respectively provided at the front edges of the third support plate, and the mounting holes can fix the position of the entire fixing device.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the fixing device for X-ray flaw detector has the following advantages:

[0017] 1. To ensure the comprehensiveness of the flaw detection range, the motor is regulated by an external controller to drive the worm to rotate on the adjustment seat. The worm and the half worm gear are meshed and driven to drive the adjustment seat to further adjust the inclination angle with the pin shaft at the front end of the second support frame as the center, ensuring the comprehensiveness and accuracy of the flaw detection operation and solving the problem of flaw detection error caused by the limited angle of directional radiation exposure;

[0018] 2. Place the X-ray flaw detector between the two claws, and control it through an external controller. The electric telescopic rod shrinks, which drives the support seat to move backward. The support seat drives the pull rod to pull the claw support plate. The claw support plate moves towards each other with the pin shaft in the first support frame as the center, and finally drives the two claws to align to fix the X-ray flaw detector. The external X-ray flaw detector radiates directionally, and the radiation cone angle of the ray beam is generally in the range of 40° to 45° to realize the flaw detection of parts. It is automatically clamped, and the fixture drive stability is good, which increases the working efficiency of the X-ray flaw detector to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model.

[0020] In the figure: 1 first support plate, 2 second support plate, 3 clamping mechanism, 31 electric telescopic rod, 32 first support frame, 33 support seat, 34 pull rod, 35 claw support plate, 36 claw, 4 base, 5 third support plate, 6 motor, 7 azimuth adjustment mechanism, 71 support plate, 72 adjustment seat, 73 second support frame, 74 worm, 75 semi-worm gear, 8 mounting hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , this embodiment provides a technical solution: a fixing device for an X-ray flaw detector, comprising a first support plate 1, a clamping mechanism 3, a third support plate 5 and an azimuth adjustment mechanism 7;

[0023] The first support plate 1: the rear side of which is fixedly connected to the second support plate 2 via evenly distributed pillars, and the third support plate 5 is located at the rear side of the second support plate 2;

[0024] The clamping mechanism 3 is arranged between the first support plate 1 and the second support plate 2. The clamping mechanism 3 includes a first support frame 32, a claw support plate 35 and a claw 36. The first support frame 32 is respectively installed on the front side of the first support plate 1 by bolts. The interior of the first support frame 32 is rotatably connected with the claw support plate 35 through a rotating pin. The front end of the claw support plate 35 is fixedly connected with the claw 36. The clamping mechanism 3 also includes an electric telescopic rod 31, a support seat 33 and a pull rod 34. The electric telescopic rod 31 is arranged in the middle of the front side of the second support plate 2. The telescopic end of the electric telescopic rod 31 passes through the circular opening in the middle of the first support plate 1 and is fixedly connected with the support seat 33. The interior of the support seat 33 is rotatably connected with two pull rods 34 through a pin shaft. The front ends of the pull rods 34 are connected to the avoidance opening in the middle of the adjacent claw support plate 35 through an adjusting pin. The electric telescopic rod 31 is connected in rotation, and the input end of the electric telescopic rod 31 is electrically connected to the output end of the external controller. The electric telescopic rod 31 is extended and retracted to drive the support seat 33 to move forward and backward. The transmission rod 34 of the support seat 33 pulls the claw support plate 35 to rotate on the first support frame 32 to drive the claw 36 to open and close. The X-ray flaw detector is placed between the two claws 36. Through the control of the external controller, the electric telescopic rod 31 contracts, thereby driving the support seat 33 to move backward. The support seat 33 drives the rod 34 to pull the claw support plate 35. The claw support plate 35 takes the pin shaft in the first support frame 32 as the center and then approaches each other, and finally drives the two claws 36 to mate to fix the X-ray flaw detector. The external X-ray flaw detector radiates in a directional manner, and the radiation cone angle of the ray beam is generally in the range of 40° to 45° to realize the flaw detection operation of the parts.

[0025] The azimuth adjustment mechanism 7 includes an adjustment seat 72 and a second support frame 73. The adjustment seat 72 is fixedly connected to the rear side of the second support plate 2, and the second support frame 73 is fixedly connected to the front side of the third support plate 5. The front end of the second support frame 73 is rotatably connected to the rear end of the adjustment seat 72 through a pin shaft. The azimuth adjustment mechanism 7 also includes a support plate 71, a worm 74 and a half worm gear 75. The support plate 71 is installed on the middle part of the front side of the third support plate 5 by bolts. The middle part of the support plate 71 is rotatably connected with the worm 74 through a bearing. The half worm gear 75 is arranged on the middle part of the rear side of the second support plate 2 through a support. The worm 74 is meshed with the half worm gear 75. The meshing action of the worm 74 and the half worm gear 75 is used to realize the angle adjustment of the adjustment seat 72. The center of the half worm gear 75 is located between the second support frame 73 and the adjustment seat 7. 2, the half worm gear 75 and the pin shaft of the adjustment seat 72 are in a concentric position, which is conducive to the rotation of the half worm gear 75 to drive the adjustment seat 72 to adjust the angle. The base 4 also includes a base 4, which is installed on the bottom end of the front side of the third support plate 5 by bolts. The upper end of the base 4 is provided with a motor 6 through a motor seat. The upper end of the output shaft of the motor 6 is fixedly connected to the bottom end of the worm 74. The input end of the motor 6 is electrically connected to the output end of the external controller. The rotation of the output shaft of the motor 6 drives the worm 74 to rotate, so as to drive the half worm gear 75 to rotate. The rotation of the motor 6 drives the worm 74 to rotate on the adjustment seat 72. The worm 74 and the half worm gear 75 are meshed and driven, driving the adjustment seat 72 to further adjust the inclination angle with the pin shaft at the front end of the second support frame 73 as the center, thereby ensuring the comprehensive accuracy of the flaw detection operation.

[0026] Wherein: the front edge of the third support plate 5 is provided with mounting holes 8 respectively, and the third support plate 5 is fixed to the installation position of the X-ray flaw detector through the mounting holes 8 by external bolts.

[0027] The working principle of a fixing device for an X-ray flaw detector provided by the utility model is as follows:

[0028] The third support plate 5 is fixed to the installation position of the X-ray flaw detector through the mounting hole 8 by external bolts, and then the X-ray flaw detector is placed between the two claws 36. The electric telescopic rod 31 is regulated by the external controller to shrink, thereby driving the support seat 33 to move backward, and the support seat 33 drives the pull rod 34 to pull the claw support plate 35. The claw support plate 35 takes the pin shaft in the first support frame 32 as the center and then approaches each other, and finally drives the two claws 36 to mate to achieve the fixation of the X-ray flaw detector. The external X-ray flaw detector radiates directionally, and the cone angle of the radiation beam is generally in the range of 40° to 45° to achieve the flaw detection operation of the parts. In order to ensure the large-scale comprehensiveness of the flaw detection range, the rotation of the motor 6 is regulated by the external controller, driving the worm 74 to rotate on the adjustment seat 72, and the worm 74 is meshed with the semi-worm gear 75 for transmission, driving the adjustment seat 72 to achieve further inclination adjustment with the pin shaft at the front end of the second support frame 73 as the center, so as to ensure the comprehensive accuracy of the flaw detection operation.

[0029] It is worth noting that the electric telescopic rod 31 disclosed in the above embodiment can use an HDL AC electric push rod, the motor 6 can be freely configured according to the actual application scenario, and the external controller controls the operation of the electric telescopic rod 31 and the motor 6 using methods commonly used in the prior art.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A fixing device for an X-ray flaw detector, characterized in that: It comprises a first support plate (1), a clamping mechanism (3), a third support plate (5) and an orientation adjustment mechanism (7); A first support plate (1): the rear side of which is fixedly connected to a second support plate (2) via evenly distributed pillars, and a third support plate (5) is located on the rear side of the second support plate (2); A clamping mechanism (3): arranged between the first support plate (1) and the second support plate (2); The azimuth adjustment mechanism (7) comprises an adjustment seat (72) and a second support frame (73), wherein the adjustment seat (72) is fixedly connected to the rear side of the second support plate (2), the second support frame (73) is fixedly connected to the front side of the third support plate (5), and the front end of the second support frame (73) is rotatably connected to the rear end of the adjustment seat (72) via a pin shaft.

2. The fixing device for an X-ray flaw detector according to claim 1, characterized in that: The azimuth adjustment mechanism (7) further comprises a support plate (71), a worm (74) and a half worm wheel (75); the support plate (71) is mounted on the middle part of the front side surface of the third support plate (5) by means of bolts; the middle part of the support plate (71) is rotatably connected to the worm (74) by means of a bearing; the half worm wheel (75) is arranged on the middle part of the rear side surface of the second support plate (2) by means of a support; the worm (74) is meshingly connected to the half worm wheel (75).

3. The fixing device for an X-ray flaw detector according to claim 2, characterized in that: The center of the half worm gear (75) is located on the central axis of the pin shaft at the connection between the second support frame (73) and the adjustment seat (72).

4. The fixing device for an X-ray flaw detector according to claim 2, characterized in that: It also includes a base (4), which is mounted on the bottom end of the front side of the third support plate (5) by bolts, and the upper end of the base (4) is provided with a motor (6) through a motor seat, the upper end of the output shaft of the motor (6) is fixedly connected to the bottom end of the worm (74), and the input end of the motor (6) is electrically connected to the output end of the external controller.

5. The fixing device for an X-ray flaw detector according to claim 1, characterized in that: The clamping mechanism (3) comprises a first support frame (32), a claw support plate (35) and a claw (36); the first support frame (32) is respectively mounted on the front side of the first support plate (1) by bolts; the interior of the first support frame (32) is rotatably connected to the claw support plate (35) by a rotating pin; the front end of the claw support plate (35) is fixedly connected to the claw (36).

6. The fixing device for an X-ray flaw detector according to claim 5, characterized in that: The clamping mechanism (3) also includes an electric telescopic rod (31), a support seat (33) and a pull rod (34); the electric telescopic rod (31) is arranged in the middle of the front side surface of the second support plate (2); the telescopic end of the electric telescopic rod (31) passes through the circular opening in the middle of the first support plate (1) and is fixedly connected to the support seat (33); the interior of the support seat (33) is rotatably connected to two pull rods (34) via a pin shaft; the front ends of the pull rods (34) are rotatably connected to the avoidance opening in the middle of the adjacent claw support plate (35) via an adjusting pin; the input end of the electric telescopic rod (31) is electrically connected to the output end of an external controller.

7. The fixing device for an X-ray flaw detector according to claim 1, characterized in that: Mounting holes (8) are respectively provided at the front edges of the third support plate (5).

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