Header scanning device

Abstract

The utility model discloses a header scanning device and relates to the technical field of TOFD (Time of Flight Diffraction) detection instruments. The header scanning device comprises a main support and a positioning assembly, the main support comprises a first support and a second support which are perpendicularly connected, the positioning assembly is used for being fixed to the header, the free end of the second support is rotationally arranged on the positioning assembly, and a first detection frame and a second detection frame are arranged on the first support in a sliding mode. The first detection frame and the second detection frame are each provided with a scanner. The scanning device overcomes the defect that a conventional four-wheel parallel scanning device cannot realize vertical arrangement of a probe, and finally realizes non-vertical arrangement TOFD detection so as to solve the problem that when the thickness of an end cover is insufficient, the detection process cannot cover a root welding seam.

Description

TECHNICAL FIELD

[0001] The utility model belongs to TOFD detection instrument technical field, concretely relates to a set box scanning device. BACKGROUND

[0002] The domestic TOFD detection has been very widely used in the butt joint type conventional longitudinal ring seam, but the end cover ring seam of the set box type product has always been the difficulty of TOFD technology application because of the insufficient end cover side scanning surface, and the previous detection all adopts the scheme that the probe is arranged on the end cover arc surface, when the end cover thickness is insufficient, the probe arrangement on the end cover side detection process cannot cover the root weld, therefore the end cover side weld is difficult to carry out TOFD because of the insufficient scanning surface. CONTENT OF THE UTILITY MODEL

[0003] The utility model provides a set box scanning device, detects on the side end face of the set box, and solves the problem that the end cover side weld is difficult to carry out TOFD detection because of the insufficient scanning surface.

[0004] The embodiment of the utility model realizes by the following technical schemes:

[0005] A set box scanning device, comprising a main support and a positioning assembly, the main support comprises a first support and a second support connected perpendicularly, the positioning assembly is used for fixing on the set box, the free end of the second support is rotatably arranged on the positioning assembly, the first support is slidably provided with a first detection frame and a second detection frame, and the first detection frame and the second detection frame are all provided with a scanner.

[0006] The scanning device is different from the structure of the conventional parallel arrangement TOFD scanner, uses the main support and the positioning assembly to cooperate and fix the TOFD scanner on the side face of the set box, that is, vertically arranges the TOFD scanner, when the end cover thickness is insufficient, the detection process of the scanning device can cover the root weld, and creates favorable conditions for the additional measurement of the weld.

[0007] In some technical schemes of the utility model, the positioning assembly comprises a magnetic base and a rotary disc, the rotary disc is rotatably arranged on the magnetic base, and the rotary disc is detachably arranged on the main support.

[0008] The detachable arrangement of the rotary disc on the main support makes the positional relationship between the positioning assembly and the first support adjustable, that is, the positions of the first detection frame and the second detection frame relative to the position of the positioning assembly become adjustable, that is, can be suitable for more different models of set box sizes, and the single model scanning device can detect a larger range of set box models.

[0009] In some technical schemes of the utility model, the positioning assembly further comprises a positioning block connected with the rotary disc, the positioning block is slidably sleeved on the second support, and the positioning block and the main support are fixed through a first locking bolt.

[0010] This design facilitates personnel operation.

[0011] In some technical solutions of the utility model, the first support is provided with a first sliding rail, the second support is provided with a second sliding rail, the positioning block is slidingly sleeved on the second sliding rail, the first detection frame and the second detection frame are both slidingly arranged on the first sliding rail, and the first detection frame and the second detection frame are both provided with a second locking bolt for positioning.

[0012] This design makes the personnel operation process more labor-saving.

[0013] In some technical solutions of the utility model, the magnetic base is provided with a positioning line away from the side of the rotary disc.

[0014] This design can make the positioning assembly accurately and stably arranged at the center of the end cover of the positioning header tank, so that the stability of the probe travel route of the scanner and the good coupling effect between the scanner and the header tank to be measured are ensured.

[0015] In some technical solutions of the utility model, the magnetic base is provided with a magnetic base shielding switch.

[0016] The magnetic base shielding switch has high sensitivity, fast response, can realize accurate control, has long service life and high reliability, can work stably for a long time and is not prone to failure, and can prevent external magnetic field interference and ensure the accuracy of switch action.

[0017] In some technical solutions of the utility model, the first sliding rail is slidingly provided with an auxiliary support, a third locking bolt is arranged between the auxiliary support and the first support, and the auxiliary support is provided with a magnetic attraction wheel for abutting against the side of the header tank on the side close to the positioning assembly.

[0018] This design can make the main support more stable during rotation.

[0019] In some technical solutions of the utility model, the auxiliary support is connected with an encoder, the first support and the second support are both slidingly provided with a probe clamping leg, the probe clamping leg on the first support is provided with an ultrasonic wave generator, and the probe clamping leg on the second support is provided with an ultrasonic wave receiver.

[0020] The two probe clamping legs arranged vertically can make the ultrasonic wave generator and the ultrasonic wave receiver record the product quality.

[0021] The probe clamping leg arranged vertically comprises a main frame, the two main frames are slidingly arranged on the first sliding rail and the second sliding rail respectively, the main frame is slidingly sleeved with a detection frame, springs are arranged between the two detection frames and the corresponding main frames, the ultrasonic wave generator is arranged on the detection frame corresponding to the first support, and the ultrasonic wave receiver is arranged on the detection frame corresponding to the second support.

[0022] This design can reduce the influence of the surface roughness or pits of the header on the detection value.

[0023] In some technical solutions of the utility model, the main support is provided with a U-shaped handle.

[0024] This design facilitates personnel to rotate the main support.

[0025] The technical scheme of the utility model has at least the following advantages and beneficial effects:

[0026] The scanning device combines the main support and the positioning assembly, and is provided with the first detection frame and the second detection frame on the first support of the main support, and is provided with the scanner thereon, thereby realizing the non-vertical arrangement of TOFD detection, so as to solve the problem that the detection process cannot cover the root weld when the end cover thickness is insufficient. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 Fig. 1 is a structural schematic view of one of the header scanning devices of the utility model;

[0028] Figure 2 Fig. 2 is a structural schematic view of another of the header scanning devices of the utility model;

[0029] Figure 3 Fig. 3 is a structural schematic view of the positioning assembly of the utility model; Figure 1 Fig. 4 is a structural schematic view of the probe clamping support leg of the utility model;

[0030] Figure 4 Fig. 5 is a structural schematic view of the magnetic base shielding switch of the utility model; Figure 1 Fig. 6 is a structural schematic view of the auxiliary support of the utility model.

[0031] Fig. 1 is a structural schematic view of one of the header scanning devices of the utility model; Fig. 2 is a structural schematic view of another of the header scanning devices of the utility model; Fig. 3 is a structural schematic view of the positioning assembly of the utility model; Fig. 4 is a structural schematic view of the probe clamping support leg of the utility model; Fig. 5 is a structural schematic view of the magnetic base shielding switch of the utility model; Fig. 6 is a structural schematic view of the auxiliary support of the utility model; Fig. 7 is a structural schematic view of the encoder of the utility model; Fig. 8 is a structural schematic view of the main support of the utility model; Fig. 9 is a structural schematic view of the first detection frame of the utility model; Fig. 10 is a structural schematic view of the second detection frame of the utility model; Fig. 11 is a structural schematic view of the scanner of the utility model; Fig. 12 is a structural schematic view of the main frame of the utility model; Fig. 13 is a structural schematic view of the detection frame of the utility model; Fig. 14 is a structural schematic view of the spring of the utility model; Fig. 15 is a structural schematic view of the U-shaped handle of the utility model; and Fig. 16 is a structural schematic view of the first locking bolt of the utility model. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0034] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0035] In the description of the present application, it should be noted that, if the terms "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the product of the present application is used, only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0036] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, if the terms "set", "install", "configure", "connect" are broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] Embodiment

[0038] Please refer to Figures 1-4 The embodiment provides a header scanning device, which comprises a main support 1 and a positioning assembly 2, the main support 1 comprises a first support 3 and a second support 4 which are connected perpendicularly to each other, the positioning assembly 2 is used for being fixed on the header, a free end of the second support 4 is rotatably arranged on the positioning assembly 2, a first detection frame 5 and a second detection frame 6 are slidably arranged on the first support 3, and the first detection frame 5 and the second detection frame 6 are both provided with a scanner 7.

[0039] The principle of the scanning device: the scanner 7 is a TOFD scanner 7, one of the two scanners 7 emits a signal, and the other receives a signal; the specific length of the first support 3 and the second support 4 is determined according to the size of the header to be detected, and the first support 3 and the second support 4 are welded at 90 degrees; when it is necessary to use TOFD detection to detect the weld of the end cover of the header, first, appropriate coupling agent is applied on both sides of the end cover weld, the coupling agent plays a crucial role in TOFD detection, which is used to fill the small gap between the scanner 7 and the scanned object to reduce the reflection and scattering of ultrasonic waves, the amount of coupling agent is controlled by the relevant operating personnel, then the approximate positions of the first detection frame 5 and the second detection frame 6 are adjusted, and the positioning assembly 2 is installed on the end cover of the header, at this time, the axis of the second support 4 coincides with the radial direction of the end cover, and the axis of the first support 3 coincides with the radial direction of the header, the positions of the first detection frame 5 and the second detection frame 6 are accurately adjusted, so that the probes of the scanners 7 on the first detection frame 5 and the second detection frame 6 are symmetrically arranged relative to the center line of the weld. After installation, rotate the main support 1, and the TOFD scanner 7 begins to detect the weld.

[0040] The scanning device is different from the structure of the conventional parallel arrangement of TOFD scanners 7, and uses the cooperation of the main support 1 and the positioning assembly 2 to fix the TOFD scanner 7 on the side of the header, that is, the TOFD scanner 7 is arranged vertically. When the thickness of the end cover is insufficient, the detection process of the scanning device can cover the root weld, which creates favorable conditions for additional measurement of the weld.

[0041] As a preferred embodiment, the above-mentioned positioning assembly 2 includes a magnetic base 8 and a rotating disc 9, the rotating disc 9 is rotatably arranged in the magnetic base 8, and the rotating disc 9 is detachably arranged on the main support 1.

[0042] In the above embodiment, the magnetic base 8 can be formed by an electromagnet, and the design structure of the magnetic base 8 matched with the rotating disc 9 can quickly complete the positioning and installation between the positioning assembly 2 and the header while meeting the requirement of rotating the main support 1 relative to the positioning member, which is more convenient; the detachable arrangement of the rotating disc 9 on the main support 1 makes the positional relationship between the positioning assembly 2 and the first support 3 adjustable, that is, the positions of the first detection frame 5 and the second detection frame 6 relative to the position of the positioning assembly 2 become adjustable, which can be applied to more different models of headers, and increases the range of header models that can be detected by a single model of scanning device.

[0043] As a preferred embodiment, the above-mentioned positioning assembly 2 further includes a positioning block 10 connected with the above-mentioned rotating disc 9, the positioning block 10 is slidably sleeved on the second support 4, and the positioning block 10 and the main support 1 are fixed by the first locking bolt 27.

[0044] In the above embodiment, when the personnel want to adjust the position of the positioning assembly 2 on the second support 4, only need to rotate the first locking bolt 27, then slide the main support 1, and lock the first locking bolt 27 when the position is appropriate; this design is convenient for personnel to operate.

[0045] As a more preferred embodiment, the first support 3 is provided with a first sliding rail 11, the second support 4 is provided with a second sliding rail 12, the positioning block 10 is slidably arranged on the second sliding rail 12, the first detection frame 5 and the second detection frame 6 are both slidably arranged on the first sliding rail 11, and the first detection frame 5 and the second detection frame 6 are both provided with a second locking bolt 13 for positioning.

[0046] In the above embodiment, a second locking bolt 13 is arranged between the first detection frame 5 and the first support 3, and a second locking bolt 13 is arranged between the second detection frame 6 and the second support 4; when it is needed to slide the first detection frame 5 or the second detection frame 6, only need to loosen the corresponding second locking bolt 13, and push itself; when the position no longer needs to be adjusted, lock the corresponding second locking bolt 13; the design of the first sliding rail 11 makes the resistance of the positioning block 10 in the adjustment process lower, and more labor-saving; the design of the second sliding rail 12 makes the resistance of the first detection frame 5 and the second detection frame 6 in the adjustment process of the positioning block 10 lower, and more labor-saving.

[0047] As a more preferred embodiment, the magnetic seat 8 is provided with a positioning line 14 away from the rotating disc 9.

[0048] In the above embodiment, the magnetic seat 8 is preferably a square, that is, the connection surface with the header is square, and the number of the positioning lines 14 is multiple, preferably four; the four positioning lines 14 are arranged at equal intervals, and the positioning lines 14 respectively coincide with the midlines of the four edges of the square; this design can make the positioning assembly 2 accurately and stably arranged at the center of the end cover of the positioning header, so that the stability of the probe travel route of the scanner 7 and the good coupling effect between the scanner 7 and the header to be measured are ensured.

[0049] As a more preferred embodiment, the magnetic seat 8 is provided with a magnetic seat shielding switch 15.

[0050] In the above embodiment, the magnetic seat shielding switch 15 has high sensitivity, fast response, can realize accurate control, and has long service life and high reliability, and can work stably for a long time without failure; in addition, it can prevent external magnetic field interference and ensure the accuracy of switch action.

[0051] As a more preferred embodiment, the first sliding rail 11 is slidably provided with an auxiliary support 16, the auxiliary support 16 and the first support 3 are provided with a third locking bolt 18, and the auxiliary support 16 is provided with a magnetic attraction wheel 19 on the side close to the positioning assembly 2 for abutting with the ring side of the header.

[0052] In the above embodiment, after the positioning component 2 is connected to the header, the magnetic roller 19 on the auxiliary bracket 16 abuts against the header. Personnel can adjust the position of the auxiliary bracket 16 according to the actual length of the header. The adjustment method is to loosen the third locking bolt 18, push the auxiliary bracket 16 which is slidably set on the first slide rail 11 to the appropriate position, and then tighten the third locking bolt 18. This design can make the main bracket 1 more stable during rotation.

[0053] In a preferred embodiment, the auxiliary bracket 16 is connected to an encoder 17, and both the first bracket 3 and the second bracket 4 are slidably provided with probe clamping legs 20. The probe clamping legs 20 on the first bracket 3 are provided with an ultrasonic generator 21, and the probe clamping legs 20 on the second bracket 4 are provided with an ultrasonic receiver 22.

[0054] In the above embodiment, the encoder 17 can record the position travel of the scanner 7 so as to interpret and analyze the detection results later; in addition, the two vertically arranged probe clamping legs 20 enable the ultrasonic generator 21 and ultrasonic receiver 22 to record product quality.

[0055] In a preferred embodiment, the probe clamping leg 20 includes a main frame 23, with two main frames 23 slidably mounted on the first slide rail 11 and the second slide rail 12 respectively. The main frame 23 is slidably fitted with a probe frame 24, and springs 25 are provided between the two probe frames 24 and the corresponding main frames 23. An ultrasonic generator 21 is mounted on the probe frame 24 corresponding to the first support 3, and an ultrasonic receiver 22 is mounted on the probe frame 24 corresponding to the second support 4.

[0056] In the above embodiment, in this design, the spring 25 is used to change the position of the main frame 23 relative to the free end of the probe holder 24, that is, to change the length of the probe clamping leg 20, so that the ultrasonic receivers 22 located on the two probe holders 24 can continuously and uninterruptedly contact the header contact surface during operation, so as to reduce the influence of roughness or pits on the header surface on the detection value.

[0057] As a preferred embodiment, the main support 1 is provided with a U-shaped handle 26.

[0058] In the above embodiment, there are multiple U-shaped handles 26, preferably two, with the two U-shaped handles 26 respectively located at both ends of the first bracket 3, making it convenient for personnel to rotate the main bracket 1.

[0059] In conclusion, the embodiment of the utility model provides a kind of set box scanning device, and the scanning device overcomes the shortcoming that conventional four-wheel parallel scanning device cannot realize probe vertical arrangement, using the mode that magnetic base 8 is combined with magnetic attraction wheel 19, using main support 1, magnetic base 8 and rotating disc 9 accurately position the device stably in the center of set box end cover, finally realize the TOFD detection of non-vertical arrangement, to cope with when the end cover thickness is insufficient, the problem that detection process cannot cover root weld.

[0060] The above is only preferred embodiment of the utility model, and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A header scanning device comprising a main support (1) and a positioning assembly (2), characterized in that, The main support (1) comprises a first support (3) and a second support (4) connected perpendicularly to each other, a positioning assembly (2) is used for being fixed on the header, a free end of the second support (4) is rotatably arranged on the positioning assembly (2), a first detection frame (5) and a second detection frame (6) are slidably arranged on the first support (3), and the first detection frame (5) and the second detection frame (6) are both provided with a scanner (7).

2. A scanning device according to claim 1, wherein The positioning assembly (2) comprises a magnetic base (8) and a rotating disc (9), the rotating disc (9) is rotatably arranged on the magnetic base (8), and the rotating disc (9) is detachably arranged on the main support (1).

3. A scanning device according to claim 2, wherein The positioning assembly (2) further comprises a positioning block (10) connected with the rotating disc (9), the positioning block (10) is slidably sleeved on the second support (4), and the positioning block (10) and the main support (1) are fixed through a first locking bolt (27).

4. A scanning device according to claim 3, wherein The first support (3) is provided with a first sliding rail (11), the second support (4) is provided with a second sliding rail (12), the positioning block (10) is slidably sleeved on the second sliding rail (12), the first detection frame (5) and the second detection frame (6) are both slidably arranged on the first sliding rail (11), and the first detection frame (5) and the second detection frame (6) are both provided with a second locking bolt (13) for positioning.

5. A scanning device as claimed in claim 4, characterized in that The magnetic base (8) is provided with a positioning line (14) on a side away from the rotating disc (9).

6. A scanning device as claimed in claim 4, characterized in that The magnetic base (8) is provided with a magnetic base shielding switch (15).

7. A scanning device as claimed in claim 4, characterized in that The first sliding rail (11) is slidably provided with an auxiliary support (16), the auxiliary support (16) is connected with an encoder (17), a third locking bolt (18) is arranged between the auxiliary support (16) and the first support (3), and the auxiliary support (16) is provided with a magnetic attraction wheel (19) on a side close to the positioning assembly (2) and used for abutting against a ring side of the header.

8. A scanning device according to claim 7, wherein The first support (3) and the second support (4) are both slidably provided with a probe clamping leg (20), the probe clamping leg (20) on the first support (3) is provided with an ultrasonic wave generator (21), and the probe clamping leg (20) on the second support (4) is provided with an ultrasonic wave receiver (22).

9. A scanning device according to claim 8, wherein, The probe clamping leg (20) comprises a main frame (23), two main frames (23) are slidably arranged on the first sliding rail (11) and the second sliding rail (12) respectively, the main frame (23) is slidably sleeved with a detection frame (24), a spring (25) is arranged between the two detection frames (24) and the corresponding main frames (23), the ultrasonic wave generator (21) is arranged on the corresponding detection frame (24) of the first support (3), and the ultrasonic wave receiver (22) is arranged on the corresponding detection frame (24) of the second support (4).

10. The scanning device of claim 1, wherein, The main support (1) is provided with a U-shaped handle (26).

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