Weld bead detection device

Abstract

The present invention provides a bead detection device for detecting welding quality by measuring the state of a bead formed at a welding site of a metal or non-metal pipe or the like, and more particularly to a bead detection device for more effectively detecting a welding site joined by a hot melt or the like for connection between pipes or connection of a pipe and a fitting, the bead detection device of the present invention characterized by comprising: a housing portion for forming an appearance; a photographing portion for photographing the shape of a bead in an inner space opened downward from the inner side of the middle of the housing portion; and a control portion provided at the housing portion for storing image data photographed by the photographing portion or calculating the appearance form of a bead for judging welding quality from the image data.

Description

Technical Field

[0001] This invention relates to a weld inspection device for detecting weld quality by measuring the state of welds formed at weld joints in metal or non-metal pipes, etc., and more specifically to a weld inspection device for more effectively detecting weld joints joined by means of heat fusion or other methods used for connections between pipes or connections between pipes and fittings. Background Technology

[0002] Generally speaking, welding is performed by directly forming atomic bonds between the objects or parts being joined. It is widely used for joining metallic materials. In addition, welding joints such as hot melt welding are used for connecting pipes, including metal or non-metal pipes, or connecting pipes and fittings.

[0003] For example, in facilities that use special fluids such as chemicals for industrial processes, plastics or composite materials (hereinafter collectively referred to as "plastics") are commonly used as materials for the pipes, and are widely used for connections between pipes or between pipes and fittings by welding methods such as hot melting.

[0004] Previously, ultrasonic non-destructive testing was mainly used as a method for inspecting welded parts. In this regard, the existing ultrasonic weld inspection device is a device that uses a digital ultrasonic flaw detector to inspect the welds of iron structures. It consists of a probe for inspecting the welded parts and a device for digitally displaying the detection results of the probe.

[0005] However, in order to use this method to inspect the joint surfaces of pipes, an inspection device with expensive components such as ultrasonic transmission devices is required, as well as a method for analyzing the measured ultrasonic images.

[0006] Furthermore, existing ultrasonic image analysis devices are configured to use ultrasound to determine the quality of the joint surface, requiring devices for transmitting ultrasound and devices for converting the signals captured by ultrasound into images. However, these devices are bulky, expensive, cumbersome, and difficult to manage.

[0007] Furthermore, the ultrasonic imaging results of the mating surfaces are not clear, making it difficult for non-professionals to interpret the image results.

[0008] Therefore, in the quality inspection of the joint surfaces of pipes, there is a need for a joint surface quality inspection device that can easily capture images of the welded areas formed at the joint surface and perform digital analysis without using ultrasound. This device can improve accuracy and provide reliable and accurate results even for non-professionals.

[0009] Content of the invention

[0010] The technical problem that the invention aims to solve

[0011] Therefore, the present invention is proposed to improve the above-mentioned existing problems, and aims to provide a weld inspection device that, in the inspection of welded joints, does not use ultrasonic measurement methods, but measures the weld quality by photographing the joint on the outer periphery of the pipe. It does not require an ultrasonic generator, but uses a method based on simple images of the joint to compare digital data with reference data to inspect the joint.

[0012] Furthermore, another objective is to provide a weld inspection device that is small in size and easy to carry, and can inspect welds to be inspected to the greatest extent possible among complex pipelines.

[0013] Furthermore, another objective is to provide a weld inspection device that can share the captured images via a communication network, enabling even non-professionals to use it in welding inspection operations.

[0014] Furthermore, another objective is to provide a weld inspection device that can easily identify defects that are difficult to detect with the naked eye by taking close-up photos of the welded area, thereby improving the accuracy of the inspection and judgment.

[0015] Furthermore, another objective is to provide a weld inspection device that allows users to stably inspect welds by attaching or placing it on the weld site, rather than holding it by hand, thereby improving user convenience.

[0016] Furthermore, another objective is to provide a weld inspection device that can successfully inspect pipes with changed dimensions even if the pipe is not of a predetermined standard size during welding inspection, and can prevent vibration and external light from entering during the process of photographing the weld, thereby ensuring that the photographing results maintain excellent measurement quality.

[0017] Furthermore, another objective is to provide a weld inspection device in which the area to be inspected is configured to be biased towards one side of the device, thereby reducing inconvenience in use even in narrow spaces such as welded joints for pipe connections and welded joints for elbow connections.

[0018] Technical solutions for solving the problem

[0019] To address the aforementioned technical problem, a weld inspection device according to an embodiment of the present invention is used to inspect welds on the outer surface of a pipe, comprising: a housing portion for forming an appearance; an imaging portion for photographing the shape of the weld in an inner space that opens downward from the middle inner side of the housing portion; and a control portion disposed in the housing portion for storing image data photographed by the imaging portion or calculating the appearance morphology of the weld for judging welding quality based on the image data, wherein the imaging portion has a structure for photographing the appearance of the weld in the tangential direction of the pipe.

[0020] Furthermore, in a weld inspection apparatus according to an embodiment of the present invention, the imaging unit may include: an image sensing unit for measuring an image of the appearance of the weld in the tangential direction of the pipe; and an illumination unit for providing illumination for measuring the image, wherein the illumination direction or illumination range of the illumination unit may be set to form a dark background on the side opposite to the image sensing unit.

[0021] Furthermore, in a weld bead inspection apparatus according to an embodiment of the present invention, the imaging unit may further include a background component, which forms a background in the image on the side opposite to the image sensing unit.

[0022] Furthermore, in a weld inspection device according to an embodiment of the present invention, the background component may have a length greater than the length that contacts the outer surface of the pipe, and at least the portion that contacts the outer surface of the pipe is made of a soft material to block light entering from outside the outer casing.

[0023] Furthermore, in a weld bead inspection apparatus according to an embodiment of the present invention, the imaging unit may also include a calibration component with a standard scale or pattern, so as to identify the actual appearance size of the weld bead in the image measured by the image sensing unit.

[0024] Furthermore, the weld bead inspection device of one embodiment of the present invention may also include an extension support portion to maintain the imaging position of the imaging portion on the weld bead in response to changes in the size of the pipe.

[0025] Furthermore, in a weld bead inspection device according to an embodiment of the present invention, the lead-out support part may include: a support block, which is respectively disposed in front of and behind the outer shell part based on the photographing position of the weld bead, and supports the outer surface of the pipe; and a fixing knob, which temporarily fixes the support block when the support block is extended to the length that contacts the outer surface of the pipe.

[0026] Furthermore, in a weld inspection device according to an embodiment of the present invention, the lead-out support may have a roller at the end of the support block, and the roller supports the outer surface of the pipe.

[0027] Furthermore, in a weld inspection device according to an embodiment of the present invention, the lead-out support may further include a suspension that elastically supports the support block relative to the outer shell, so that the support block is formed in its original state of being led out from the outer shell and introduced into the inner side of the outer shell by applying pressure through contact with the outer surface of the pipe.

[0028] Furthermore, in a weld inspection device according to an embodiment of the present invention, the lead-out support may further include an adjustment knob for driving the lead-out and lead-in of the support block, and at least one side of the housing and the adjustment knob may have a scale display for guiding the lead-out dimension of the support block or guiding the dimension of the pipe corresponding to the lead-out dimension.

[0029] Furthermore, the weld bead inspection device of one embodiment of the present invention may also include a weld bead tracking guide for guiding the weld bead inspection device to travel along the weld bead when it travels on the outer surface of the pipe.

[0030] Furthermore, in a weld bead detection device according to an embodiment of the present invention, the weld bead tracking guide may include a weld bead facing portion disposed on at least one of the outer peripheries of the two sides of the weld bead, wherein the weld bead facing portion is disposed in an adjustable position or is disposed in an elastic mounting structure.

[0031] Furthermore, the weld inspection device of one embodiment of the present invention can travel along the outer peripheral surface of the pipe in a lateral posture in which the weld bead captured by the imaging unit is biased toward the outer casing.

[0032] The effects of the invention

[0033] As described in the above structure and function, the weld inspection device of the present invention has the following effects: in the inspection of welded joints, the welding quality is determined by photographing the joint on the outer periphery of the pipe without using ultrasonic measurement. It does not require an ultrasonic generator, but uses a method based on simple photographs of the joint to compare digital data with reference data to inspect the joint, thereby improving the inspection speed.

[0034] Furthermore, it has the following advantages: the device is small in size and easy to carry, can easily detect welded parts in complex pipelines, and can share the captured images through a communication network, so that even non-professionals can use it in welding inspection operations.

[0035] Furthermore, it has the following advantages: it can easily identify defects that are difficult to judge with the naked eye by taking close-up pictures of the welded parts, thereby improving the accuracy of the inspection and judgment. In addition, during welding inspection, users can conduct stable inspections by attaching or placing it on the welded parts, rather than holding it by hand, thereby improving user convenience.

[0036] Furthermore, it has the following effects: in welding inspection, even if the pipe is not a pipe with a predetermined standard size, pipes with changed dimensions can be inspected smoothly, and during the process of photographing the weld bead, it can prevent shaking and external light from entering, thereby ensuring that the photographing results maintain excellent quality.

[0037] Furthermore, it has the following effect: the area to be inspected is designed to be biased towards one side of the device, thus reducing inconvenience even in narrow spaces such as welding areas for pipe joints and welding areas for elbow joints.

[0038] It should be understood that the effects of the present invention are not limited to those described above, but include all effects that can be inferred from the construction of the present invention as described in the detailed description or claims. Attached Figure Description

[0039] Figure 1 This is a usage example diagram of a weld inspection device according to an embodiment of the present invention.

[0040] Figure 2 These are the left and right views of the overall outline drawing of a weld inspection device according to an embodiment of the present invention.

[0041] Figure 3 This is an example diagram illustrating the fasteners and hooks used for fixing in a weld inspection device according to an embodiment of the present invention.

[0042] Figure 4 These are top views and perspective views of the overall outline of a weld inspection device according to an embodiment of the present invention.

[0043] Figure 5 This is a bottom view of the overall outline of a weld inspection device according to an embodiment of the present invention.

[0044] Figure 6 This is a front view showing the overall shape of a weld inspection device according to an embodiment of the present invention, and a front view excluding a portion of the shell portion.

[0045] Figure 7 This is a detailed drawing of the lead-out support portion of a weld bead inspection device according to another embodiment of the present invention.

[0046] Figure 8 This is a detailed diagram of the height adjustment structure of the lead-out support of a weld bead inspection device according to another embodiment of the present invention.

[0047] Figure 9 This is a detailed diagram showing the detailed structure of the operating knob for adjusting the height in the lead-out support of the weld bead inspection device according to another embodiment of the present invention.

[0048] Figure 10This is an example diagram illustrating the use of a weld inspection device according to various pipe sizes, based on an embodiment of the present invention.

[0049] Figure 11 The operating structure of the fixed knob of a weld bead inspection device according to an embodiment of the present invention is shown.

[0050] Figure 12 This is a cross-sectional view of the weld track guide of a weld inspection device according to an embodiment of the present invention.

[0051] Figure 13 This is a detailed diagram of the arrangement structure of the imaging unit and the lead-out support unit in a weld bead inspection device according to an embodiment of the present invention.

[0052] Figure 14 This is an example diagram showing the detailed structure of the calibration component of a weld bead inspection device according to an embodiment of the present invention.

[0053] Explanation of reference numerals in the attached figures

[0054] 100: Weld inspection device

[0055] 10: Outer casing 11: Battery cover

[0056] 12: Hook 13: Contact plate

[0057] 14: Weld groove 15: Fixed hanging rod

[0058] 16: Hook 17: Buckle

[0059] 18: Scale display section 18a: Reference point

[0060] 20: Lead-out support section 21: Support block

[0061] 21a: Roller 21b: Bushing

[0062] 21c: Supporting structure; 21d: Traveling slot

[0063] 22: Suspension 22a: Fixed knob

[0064] 22b: Knob reference point; 22c: Operating knob

[0065] 23: Suspension sliding part; 24: Lower plate

[0066] 24a: Wiring slot; 24b: Calibration component fastening slot

[0067] 25: Upper plate 26: Deep fixing plate

[0068] 26a: Lighting slot; 26b: Deep fixing part

[0069] 27: Suspension rod 28: Rack and pinion

[0070] 30: Weld bead tracking guide; 31: Guide knob

[0071] 32: Knob shaft; 33: Knob thread

[0072] 34: Guide spring; 35: Guide bracket

[0073] 36: Guide thread; 37: Buffer block

[0074] 38: Weld bead face section 39: Weld bead aligned section

[0075] 50: Imaging unit; 51: Image sensing unit

[0076] 52: Background component 53: Lighting section

[0077] 54: Calibration components

[0078] 70: Control Department 71: Module Department

[0079] 72: Power Management Department; 73: Communication Control Department

[0080] 74: Status indicator light 75: Alarm unit

[0081] 76: Operation input unit; 77: Communication antenna

[0082] 78: LAN port 79: Base board

[0083] 80: Power supply section 81: Power connection section

[0084] 82: Battery 83: Power switch

[0085] B: Weld bead P: Pipeline Detailed Implementation

[0086] The invention will now be described with reference to the accompanying drawings. However, the invention can be embodied in various different forms, and therefore is not limited to the embodiments described herein.

[0087] Throughout this specification, when one part is "connected (joined, contacted, combined)" with another part, this includes not only "direct connection" but also "indirect connection" involving other components in between. Furthermore, when a part "includes" a component, unless otherwise stated, it means that other components may also be included, without excluding them.

[0088] The terminology used in this specification is for describing particular embodiments only and is not intended to limit the invention. Unless the context clearly specifies otherwise, singular expressions include plural expressions. It should be understood that in this specification, terms such as "comprising" or "having" are intended to indicate the presence of the features, numbers, steps, operations, components, portions, or combinations thereof described in the specification, and do not exclude the presence or addition of one or more other features, features, numbers, steps, operations, components, portions, or combinations thereof.

[0089] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings to enable those skilled in the art to readily implement them.

[0090] like Figures 1 to 4 As shown, a weld bead inspection device 100 according to an embodiment of the present invention may include: a housing portion 10 for forming an appearance; an imaging portion 50 for photographing the shape of the weld bead in an inner space that opens downward from the middle inner side of the housing portion; and a control portion 70 disposed in the housing portion for storing image data photographed by the imaging portion or calculating the appearance morphology of the weld bead for judging the welding quality based on the image data.

[0091] In a weld inspection device 100 according to an embodiment of the present invention, the control unit 70 may include a module unit 71, a power management unit 72, a communication control unit 73, etc. The module unit 71 can perform functions such as checking whether the various operations of the inspection device are running correctly and storing the captured data. The power management unit 72 can convert and distribute the power supplied by an external power source or an internal battery. The communication control unit 70 can be configured to control the internal and external communication of the device.

[0092] Based on this exemplary basic structure, a weld bead inspection device 100 of an embodiment of the present invention can be configured to: place the weld bead inspection device on the outer surface of the pipe on which the weld bead is formed, align the weld bead with the imaging area of ​​the imaging unit 50, and start inspecting the weld bead; when the inspector moves the weld bead inspection device 100 along the weld bead, the imaging unit 50 continuously or intermittently photographs the weld bead located in the imaging area.

[0093] At this time, the method for the weld bead detection device 100 to capture the weld bead may include: capturing the outer circumferential surface of the pipe being measured in video form during the capture of the weld bead while it is moving; or capturing the weld bead in quick-motion form at a predetermined moment during a temporary stop or movement, etc., and also includes: in the case of capturing the weld bead in quick-motion form, identifying the position movement of the device on the outer circumferential surface of the pipe and periodically capturing the weld bead based on the moving distance or angular displacement; or determining that the device has moved and capturing the corresponding position after a preset period by identifying the elapsed time, and in addition, there is a method of capturing the weld bead at a position or time arbitrarily selected by the inspector, etc. As a technical means for identifying the position movement of the device, a gyroscope sensor, an accelerometer sensor, etc. installed in the device can be used, but this is only an example and is not limited thereto.

[0094] Furthermore, a pre-set shooting method can be loaded into the device for shooting. That is, for example, different pre-set shooting methods can be applied depending on the outer diameter of pipe P. The device can be configured to determine the shooting time point and perform shooting based on a predetermined moving distance, moving angle, time period, or a combination thereof, using the outer diameter of pipe P as a reference. Preferably, near the weld B to be inspected, in addition to the outer diameter information of the corresponding pipe P, a label containing additional information such as the pipe material and welding operation information is provided in the form of a sticker, mark, etc. The weld inspection device 100 can be configured to load the information contained in the label through a separate scanner structure or the image sensing unit of the shooting unit, so as to receive the pre-set shooting method related to the corresponding pipe from internal storage elements or through communication with the outside.

[0095] On the other hand, if the label information of the attached pipe is incorrectly attached, the error in the associated pipe information can be corrected on the spot by comparing it with the measurement value of the sensor used to identify the position of the device, thereby ensuring accurate detection data.

[0096] Furthermore, the weld inspection device 100 captures images of the weld located in the shooting area of ​​the shooting unit 50 in video or quick-capture format, and stores the captured image data or calculates information related to the weld's appearance, such as size, shape, and color, based on the image data as data for judging weld quality. The calculated information related to the weld's appearance is compared with predetermined inspection reference data to determine the quality of the weld to be inspected and thus the quality of the weld joint. The captured image data, the calculated information related to the weld's appearance, the shooting location, time, quality judgment value, etc., can be stored internally along with pipeline information, welding operation information, etc., or transmitted to a remote server or local site device via wired or wireless communication.

[0097] And, as Figure 1 As shown, in the weld inspection apparatus 100 of the present invention, the outer housing 10 can be configured to move along the outer circumference of the pipe P when the apparatus is placed facing a weld B generated in a section for welding between multiple pipes P. That is, the contact portion 19 has a curved structure with a recessed center, so that the contact portion 19 of the outer housing 10 can form a state of contact and placement with the pipe P, wherein the curved shape of the contact portion 19 preferably corresponds to the outer circumferential shape of the pipe P of a predetermined standard size for weld inspection.

[0098] The contact portion 19 corresponds to the base of the two side plates of the outer casing portion 10 that constitutes the appearance of the device, and may include a portion of the front and rear base surfaces, and may also include the contact plate 13 described below.

[0099] In this way, by means of the curved shape of the contact portion 19, a structure is formed that fits tightly against the outer peripheral surface of the pipe P to be inspected, so that the weld inspection device 100 of the present invention maintains a stable posture when the weld B to be inspected is photographed, and has the effect of aligning the photographing position of the weld B to be inspected with the photographing area of ​​the device.

[0100] Furthermore, since the contact portion 19 of the weld inspection device 100 is in close contact with the outer circumferential surface of the pipe P, it prevents or reduces the entry of external ambient light into the device, thereby ensuring the quality of the captured image data to an excellent level.

[0101] On the other hand, the additional structures of the weld inspection device 100 of the present invention will be described in detail, such as... Figure 2 As shown in (a), the weld inspection device 100 of the present invention may have a LAN port 78 for communication with the outside provided on one side of the outer casing 10 that constitutes the appearance, and may also have a hook 12 for fixing the fixing mechanism for fixing the weld inspection device 100 of the present invention.

[0102] The LAN port 78 is configured to connect a communication line for communication to the weld inspection device 100, enabling it to immediately transmit captured image data during inspection operations and receive data or feedback signals from a server or external source.

[0103] Furthermore, a fixing mechanism may be provided on the outside of the outer casing 10 to prevent the device from being separated when the weld detection device 100 is fixed to the outer periphery of the pipe P and detects the weld B. Such fixing mechanism may include elastic bands, flexible bands made of leather or cloth, flexible ropes or lines, chain components or clips, and other fixing components.

[0104] At this point, as an example, such as Figure 3 As shown, a hook 16 can also be provided on one side of the fixing mechanism. The hook can be fixed to the hook 12 and is not easy to fall off. Even if dust or foreign objects on the pipe in the detection environment cause contamination, the fixing mechanism is firmly fixed, which has the effect of preventing the weld inspection device 100 from separating from the pipe P during the process of moving for weld inspection operation.

[0105] Meanwhile, the fixing mechanism may also be equipped with multiple components such as a buckle 17 that can be adjusted in length. When the fixing mechanism is stretched, resulting in deformation or entanglement, the length of the fixing mechanism can be adjusted according to the diameter of the pipe to be tested, thereby achieving the effect of firmly fixing it to the outer circumference of the pipe.

[0106] Furthermore, the fixing mechanism can be marked with multiple dimensions such as the pipe diameter to adjust the length according to the pipe diameter, making it convenient for the inspector to adjust the length.

[0107] And, as Figure 2 As shown in (b), on the other side of the outer periphery of the outer casing 10, there may also be an operation input section 76 for operating the device, a power connection section 81 for receiving power from the outside, a communication antenna 77 for wireless communication with an external device, an alarm section 75 for providing alarm information by sound, and a fixing rod 15 for fastening the fixing mechanism.

[0108] At this time, the operation input unit 76 may be composed of one or more devices for operating whether to perform the operation of the weld inspection device 100. The corresponding operation input unit 76 may be composed of a switch, a magnetic switch or a touch panel, etc., and may be composed of a one-way or two-way signal input device.

[0109] As an example, when formed by a structure such as a touch panel, it can be configured to display multiple pieces of information received through the tag, or output multiple pieces of information such as the setting screen of the weld bead inspection method for the execution device and the detection preparation status or detection completion status of the device.

[0110] Meanwhile, the power connection part 81 is used to receive power from the outside, and the weld inspection device 100 has a rechargeable battery 82 inside, which can be configured to be removable. The mounting structure of the battery 82 can be inserted and separated by opening or closing the battery cover 11 formed on the upper part of the housing part 10.

[0111] Therefore, the battery 82 can be configured to be inserted into the weld inspection device 100 in a fully charged state by a separate charger. When the weld inspection device 100 is initially working, it can operate with the fully charged battery 82 inserted. However, if the charged battery 82 is discharged and the device cannot operate as the device operates, the device can be operated by receiving power from the outside through the power connection part 81.

[0112] At this time, the power supplied through the power connection part 81 is configured to also charge the battery 82 inserted into the device. When the battery of the device is in a discharging state, the power connection part 81 can be used to charge the battery 82 while the device is running.

[0113] Furthermore, the communication antenna 77 is used for wireless communication of the device, and it can be used as a mechanism for transmitting the detection results of the weld inspection device 100, communicating with a server, or communicating with the inspector's portable terminal, etc.

[0114] That is, when the tag information is accessed, not only can the information of the tag itself be read, but other information stored in the server can also be accessed through the attached tag. The test results can be transmitted to the server in real time or sent to the independent terminal carried by the inspector, which helps the inspector to understand in real time whether the current weld inspection device is operating accurately.

[0115] By further configuring the communication structure in this way, not only can the convenience of inspection operations be improved, but the defect rate of inspection operations can also be reduced through real-time feedback, thereby improving the overall speed and quality of inspection operations.

[0116] Furthermore, the alarm unit 75 is used to notify the device of its working status, whether there is an abnormality, emergency, etc., through sound. As an example, when the pipeline inspection operation begins, the device is set to the weld inspection state through the operation input unit 76 and the device is positioned on the weld to be inspected. A sound effect to notify the preparation state can be sent. When the inspector moves the device to rotate it around the outer diameter of the pipeline to complete the shooting of all the locations to be inspected, a sound effect to notify the completion state can be sent.

[0117] Furthermore, the device can send sound effects to notify the inspector of various special situations, such as the device's remaining battery power, communication status, and emergencies. This makes it convenient for the inspector to operate the device, easily obtain information about each situation, and enable the inspector to respond quickly in case of special circumstances.

[0118] Meanwhile, in response to these alarms, if the operation input unit 76 according to one embodiment has a touch panel, various information about each alarm situation can be visually transmitted to the touch panel, thereby enabling the inspector to accurately know the corresponding situation.

[0119] On the other hand, the fixing rod 15 is used to fix the other side of the fixing mechanism to the outer shell. It is illustrated as a long rod in this invention, but this is only one embodiment. As long as it is a structure that can firmly fix the fixing mechanism to the outside of the outer shell 10, it can be any shape.

[0120] On the other hand, such as Figure 4 (a) to Figure 4 As shown in (b), a status indicator light 74 may be provided on one side of the upper surface of the outer casing 10 for visually displaying the operating status of the weld inspection device 100 or the remaining power of the battery 82, and a battery cover 11 for installing and removing the battery 82 may be provided on the other side of the upper surface of the outer casing 10 where the status indicator light 74 is not provided.

[0121] At this time, the status indicator light 74 may be composed of one or more LED lights or other light-emitting bodies. The status indicator light 74 has the effect of notifying the inspector, as the user, of the status of the weld inspection device 100 through individual flashing, lighting, sequential flashing, sequential lighting, or differences in the light emission color, etc.

[0122] Furthermore, when the battery 82 is configured to be detachable, the battery cover 11 may be formed on the housing portion 10. The battery cover 11 may be detachably mounted on the housing portion 10 by sliding, as in the form of a battery cover in a general device. When the battery cover 11 is removed from the housing portion 10 by sliding movement, the battery 82 may be inserted into or separated from the housing portion 10.

[0123] Furthermore, the electrodes of the weld inspection device 100 used for assembling and disassembling the battery 82 can be formed inside the outer casing 10 when the battery cover 11 is removed. The electrodes of the battery 82 are preferably inserted in the corresponding direction. If the battery 82 is integrally formed, the battery cover 11 may not be provided. In this case, it is preferable that the charging of the battery 82 can be achieved through the power connection part 81.

[0124] On the other hand, the description of the various structures and their arrangement provided in the outer casing 10 of the present invention is only one embodiment and should not be construed as limiting the scope of protection of the present invention to the following embodiment. Depending on the functional requirements of each structure, each structure and its arrangement can be freely selected within a range that does not significantly deviate from the purpose of the present invention.

[0125] Furthermore, preferably, the power switch 83 for operating the weld inspection device 100 of the present invention is not located on the outer surface of the housing portion 10, but rather on the inner surface obscured by the housing portion 10. That is, for example, as... Figure 5 As shown, a deep fixing plate 26 can be formed in the outer casing 10. Since the power switch 83 is provided in the deep fixing plate 26, it has the effect of preventing the inspector from accidentally turning off the power of the device during device operation and having to start the inspection operation from scratch.

[0126] On the other hand, such as Figure 6 As shown, in a weld inspection apparatus 100 according to an embodiment of the present invention, the contact portion 19 of the outer shell 10 is formed with a curved structure and is in a state of being tightly attached to the outer surface of the pipe, so that the weld of the pipe of a predetermined standard size can be measured or inspected. The weld is photographed in the inner space blocked by the outer shell 10. It has a structure in which the image sensing unit 51 of the imaging unit 50 photographs the weld in the tangential direction of the pipe. The detailed structure of the imaging unit 50, etc., is formed so that the appearance of the weld can be photographed at a position substantially the same as or very close to the defined position of the tangent of the pipe with the fixed line of sight of the image sensing unit 51 as a reference. For ease of description, this position is referred to as the imaging position Xb of the image sensing unit 51 on the weld in the following description.

[0127] Furthermore, a contact plate 13 may be provided at the lower inner end of the outer casing 10. The contact plate 13 has a curved bottom surface that connects to the curved contact portion 19 of the outer casing 10. During the inspection operation of the weld inspection device 100, this contact plate 13 can easily adhere tightly to the outer circumference of the pipe, serving as a structural and load-bearing support for the two ends of the weld inspection device 100, as well as a light-shielding function to prevent external ambient light from entering.

[0128] Meanwhile, preferably, a weld groove 14 for the weld to pass through is provided on the bottom surface of the contact plate 13 at a position separated from the center of the device. When the weld inspection device 100 performs inspection work on the pipe P, the measure of aligning the position of the weld groove 14 with the weld B can have the advantages of device alignment and reducing interference or collision with the weld during travel.

[0129] Furthermore, the weld inspection device 100 of one embodiment of the present invention can travel along the outer periphery of the pipe in a posture biased towards the outer casing 10 when the weld being photographed is located to the side. That is, since the weld groove 14 of the outer casing 10, the image sensing unit 51 of the imaging unit 50, etc. are located at a position biased to the side rather than at the center of the device, the weld inspection device 100 can be aligned in a posture biased to one side relative to the weld B when performing inspection operations, and the requirement for ensuring the space on the opposite side for photographing the weld is not significant.

[0130] Therefore, for example, even when it is difficult to ensure the space around the weld bead due to the curved shape of the pipe end joint elbow, the weld bead detection device 100 can easily capture the weld bead, which is convenient.

[0131] Furthermore, the weld inspection device 100 of one embodiment of the present invention is configured for pipes of a predetermined standard size, and may also include an extension support 20 as an additional technical means to ensure that the device can be used to smoothly inspect welds even when the size of the pipe changes.

[0132] The lead-out support 20 may include: one or more support blocks 21, which extend from the inside of the housing 10 and are supported on the outer surface of the pipe with varying dimensions, so as to ensure a stable shooting posture of the device in response to the pipe with varying dimensions; and a fixing knob 22a, which temporarily fixes the support block 21 when the support block 21 is extended to contact the outer surface of the pipe.

[0133] Furthermore, preferably, the support blocks 21 are located at the lower ends of both sides of the weld bead detection device 100 of the present invention, so as to maintain the imaging position Xb of the weld bead even when the pipe size changes.

[0134] The lead-out support 20 includes multiple support blocks 21, but preferably, considering improving the structural rigidity of the device and simplifying the structure, such as... Figure 5 and Figure 6 The embodiments shown can be integrated by connecting their upper ends together, or as... Figure 7 In one embodiment shown, the lower ends can be connected to each other to achieve integration, thereby synchronizing the extension of the support blocks and fixing them together by a fixing knob 22a.

[0135] In order to inspect the weld B formed on the outer peripheral surface of the pipe P using the weld inspection device 100, when the device is positioned on the outer peripheral surface of the pipe P, such as Figure 10As exemplarily shown, the bottom surfaces of the plurality of support blocks 21 are temporarily fixed in contact with the outer peripheral surface of the pipe P. As described above, when the inspector moves the weld inspection device 100, which is positioned in this manner, to rotate it along the outer peripheral surface of the pipe P, the support blocks 21 support the outer casing 10 in a stable posture on the outer peripheral surface of the pipe and slide it on the outer peripheral surface of the pipe, while simultaneously photographing the weld B to be inspected.

[0136] Meanwhile, a structure such as a roller 21a may be provided on the bottom surface of the support block 21, that is, the part in contact with the pipe, so as to improve the travel resistance and pipe surface damage caused by the friction between the support block 21 and the outer peripheral surface of the pipe P.

[0137] On the other hand, the arrangement structure of the support block 21 corresponds to one embodiment of the present invention. In other embodiments, such as... Figure 7 As shown, a pair of support structures 21c, similar to rods or tubes, can be formed at the lower end of the weld inspection device 100, running across both sides of the device.

[0138] Furthermore, a roller 21a for travel can be formed in the support structure 21c, and a travel groove 21d can be formed in the pair of support structures 21c at the position corresponding to the weld groove 14 of the outer shell 10 and the weld groove 14 of the contact plate 13, so that the weld B can pass through without interference during travel.

[0139] On the other hand, the weld inspection device 100 of one embodiment of the present invention may also be provided with a structure capable of transmitting power for rotating the roller 21a of the support block 21. When the weld inspection device 100 moves along the outer circumferential surface of the pipe P, it is not moved manually by the inspector, but the roller 21a is moved automatically or semi-automatically by operating a switch such as a work switch to provide individual driving force. In this case, after moving one revolution automatically or semi-automatically along the outer circumferential surface of the pipe, the inspector can be notified that the inspection operation has been completed through multiple devices such as the alarm unit 75, the status indicator light 74, or the operation input unit 76 mentioned above.

[0140] Furthermore, the lead-out support 20 may have a structure that allows the support block 21 to be led out at an adjustable lead-out height.

[0141] In a detailed structural description of one embodiment of the present invention, the support block 21 constituting the lead-out support portion 20 has a structure that leads out to the outside of the outer casing portion 10 through the contact portion 19, and may have a structure in which multiple support blocks are led out together while being fixed to the lower plate 24 of the forming device frame.

[0142] At this time, one or more holes are formed on one side and the other side of the lower plate 24, and the side of the hole can be in the shape of a long hole tear. By forming a bolt connection structure that can adjust the width of the long hole portion of the hole, a clamp-like fastening structure that can adjust the inner diameter of the hole can be formed.

[0143] Therefore, a suspension sliding part 23 can also be provided in the hole with the clamp fastening structure, and the suspension sliding part 23 can be integrated with the lower plate 24 through the clamp fastening structure.

[0144] More specifically, refer to Figure 13 (b) The suspension rod 27 may have a shape that passes through the center of the suspension sliding part 23. The suspension rod 27 is inserted at the position in the upper part of the suspension rod 27 that passes through the suspension sliding part 23. A spring-type suspension 22 with an outer diameter smaller than the suspension sliding part 23 may be located therein. An upper plate 25 fixed to the outer shell part 10 may be provided on the upper part of the suspension 22.

[0145] Therefore, the suspension 22 can be used as an elastic support that compresses or expands between the upper part of the suspension sliding part 23 and the lower part of the upper plate 25.

[0146] On the other hand, the lower end of the suspension rod 27 may have a shape that is combined with or overlaps with the upper part of the contact plate 13, and may be configured such that the contact plate 13 is located at the lower part of the lower plate 24 on which the suspension rod 27 is provided.

[0147] Therefore, as Figure 13 As shown in (b), the lower plate 24 can be configured to move along the suspension rod 27 in the vertical direction of the device, and a plurality of support blocks 21 fixed to the lower plate 24 can also move together with the lower plate 24.

[0148] With this structure, the plurality of support blocks 21 can protrude to a position lower than the lower end of the contact portion 19 corresponding to the base surface of the outer shell 10, and the position of the plurality of support blocks 21, which move along the vertical direction, can be temporarily fixed by operating a fixing knob 22a formed on one side of the frame to which the support blocks 21 are fastened.

[0149] More in detail, such as Figure 11 As shown, the fixing knob 22a temporarily restricts the vertical movement of the lower plate 24 or the support block 21 by applying pressure in contact with the outer side of the front part of the outer casing 10.

[0150] That is, for example, when the central rotation axis of the fixed knob 22a is fixed to the support block 21 with a threaded connection structure, when the fixed knob 22a rotates in one direction, the back part of the fixed knob 22a does not contact the outer side of the front part of the outer casing 10, and the lower plate 24 can move freely in the vertical direction along the suspension rod 27.

[0151] Conversely, when the fixing knob 22a is rotated in the opposite direction, the back of the fixing knob 22a applies pressure to the outer side of the front of the outer casing 10 and is temporarily fixed by friction. As a result, the support block 21 rotatably connected to the fixing knob 22a and the lower plate 24 to which the support block 21 is fixed can move up and down.

[0152] Preferably, the portion of the back of the fixed knob 22a that contacts the outer side of the front part of the outer casing 10 may also be provided with a rubber or similar friction component 22f to increase friction.

[0153] On the other hand, as another embodiment of the present invention, such as Figure 8 As shown, a pinion 29 can be formed in the operating knob 22c and a rack 28 can be formed on one side of the support block 21, thereby having the following structure: by utilizing the principle that the rack 28 moves vertically through the rotation of the pinion 29, the height of the multiple support blocks 21 can be adjusted by rotating the operating knob 22c.

[0154] At the same time, such as Figure 9 As shown, the operation knob 22c and its surrounding area may also be provided with a scale display section 18 and a reference point 18a for displaying the pipe size corresponding to the extension of the support block 21, which can improve the convenience for the inspector to set the required outflow amount according to the pipe size.

[0155] Furthermore, the weld inspection device 100 of one embodiment of the present invention may further include a weld tracking guide 30, used to guide the weld inspection device to travel along the weld when it travels on the outer surface of the pipe. That is, as Figure 12 As shown, the device has a structure that guides the weld B to be inspected within the imaging area when the weld inspection apparatus 100 of the present invention is used to inspect the weld B formed on the outer peripheral surface of the pipe P.

[0156] The detailed structure of this guide for moving weld bead tracking 30 is described with reference to an embodiment of the present invention. A guide knob 31 may be provided on the exterior of the housing 10. The guide knob 31 is coupled with a knob shaft 32 arranged inside the housing 10. A knob thread 33 is formed on the outer peripheral surface of the knob shaft 32.

[0157] On the other hand, the weld bead tracking guide 30 has a guide bracket 35, which is in the shape of a quadrangular prism. The upper part is provided with a guide thread 36 that can be threaded with the knob thread 33. The guide thread 36 can be configured in a shape that passes through the side. The lower part of the guide bracket 35 can be provided with a weld bead facing part 38 that can contact one side of the weld bead B.

[0158] When the weld bead tracking guide 30 is configured such that the guide bracket 35 is fastened to the knob shaft 32, the knob shaft 32 rotates according to the rotation operation of the guide knob 31. According to the structure of the guide thread 36 that is threadedly engaged with the knob thread 33, the guide bracket 35 will naturally rotate along the rotation direction of the knob shaft 32. However, the upper surface of the guide bracket 35 is formed at a right angle, and the upper surface contacts the bottom surface of the lower plate 24 in a way that prevents rotation and will not rotate with the rotation of the knob shaft 32. It can move forward or backward in the position on the knob shaft 32. The position adjustment of the weld bead tracking guide 30 can be achieved by the rotation operation of the guide knob 31.

[0159] On the other hand, as another embodiment of the present invention, preferably, the support block 21 is not configured as a pair of parallel structures at the position where the weld bead tracking guide 30 is formed, but is configured as being located only on one side of the device, and another weld bead tracking guide 30 may be provided on the other side where the support block 21 is not provided.

[0160] At this time, the guide threads 36 of the guide brackets 35 of the plurality of weld bead tracking guides 30 can be formed by left and right threads respectively. Therefore, when a pair of weld bead tracking guides 30 are formed, as the guide knob 31 is rotated, an operating structure can be formed that is close to or away from the side of the weld bead alignment portion 39 formed on the knob shaft 32.

[0161] Furthermore, in the connection structure with the guide bracket 35, the weld bead face portion 38 provided on the guide bracket 35 may also have a structure of buffer block 37 and guide spring 34.

[0162] More specifically, a groove is formed at the lower end of the guide bracket 35 for the buffer block 37 to be inserted, and the guide spring 34 is provided between the guide bracket 35 and the buffer block 37. Preferably, the buffer block 37 forms a fastening structure that will not separate from the guide bracket 35 by the elastic force of the guide spring 34.

[0163] At this time, the weld bead face portion 38 can be fastened on the side of the buffer block 37 where it is not inserted into the guide bracket 35. More preferably, the weld bead face portion 38 has a disc shape and can be fastened in such a way that the face portion fastening shaft 38a passes through its center and the through portion is inserted into the buffer block 37.

[0164] Therefore, the weld bead face portion 38 can be configured as a wheel that rotates around the face portion fastening axis 38a, and can also have a lateral elastic support structure through the guide spring 34 for supporting the buffer block 37 and the guide bracket 35.

[0165] Therefore, when the weld bead tracking guide 30 is configured as a pair and pressure is applied to both sides of the weld bead to be inspected, even if the shape of the weld bead is formed as an inconsistent curved shape or a shape with different thicknesses during the inspection of the weld bead, the weld bead facing part 38 can maintain the shape of applying pressure to both sides of the weld bead through the lateral elastic support structure.

[0166] Therefore, preferably, the weld bead imaging camera provided in the weld bead detection device 100 has the weld bead tracking guide and is located above the space through which the weld bead to be detected passes, thereby achieving the effect of not shaking or distorting during the imaging process of the corresponding weld bead, and imaging with a constant composition.

[0167] Furthermore, preferably, the location of the area where the weld bead movement is formed by this weld bead tracking guide 30 is the same as the location of the aforementioned weld bead groove 14.

[0168] Meanwhile, as described above, preferably, a roller 21a structure can also be provided on the bottom surface of the plurality of support blocks 21, and the weld bead tracking guide 30 can also serve as a support block 21, so it can be considered in the arrangement of the entire support block.

[0169] On the other hand, in a weld bead detection device 100 according to an embodiment of the present invention, the imaging unit 50 may include: an image sensing unit 51 for imaging weld beads at the lower front end of the device; a background component 52 for serving as a background when the image sensing unit 51 imaging weld beads at the lower rear end of the device; and an illumination unit 53 located between the image sensing unit 51 and the background component 52 for adjusting the brightness when imaging weld beads.

[0170] You can refer to Figure 5 , Figure 6 , Figure 13 To understand the exemplary detailed structure of the imaging unit 50, etc., please refer to the following, Figure 13 This is a detailed drawing showing the arrangement of the imaging unit and the lead-out support unit, etc., in a weld inspection apparatus according to an embodiment of the present invention. Figure 13 (a) is a 3D diagram. Figure 13(b) is the left view. Figure 13 (c) is the right view. Figure 13 (d) is a bottom view. Figure 13 (e) is the front view and a close-up view.

[0171] In a more detailed description of the imaging unit 50, inside the downwardly open space at the lower end of the outer casing 10 of the weld bead inspection device 100 of the present invention, an image sensing unit 51 facing in the opposite direction to the direction of travel when the weld bead inspection device 100 is operating and taking pictures can be provided at the lower front end. The focal point of the image sensing unit 51 can be set based on the position of the shooting position Xb in the contact portion 19. A background member 52 for forming a background in the image can also be provided on the opposite side facing the image sensing unit 51.

[0172] Furthermore, an illumination unit 53 for adjusting the brightness of the captured weld bead can be provided between the shooting position Xb and the image sensing unit 51. In this invention, the illumination unit 53 is arranged at the lower part of the deep fixing plate 26.

[0173] Furthermore, at least the lower part of the background component 52 can be made of a soft material. When the weld bead detection device 100 of the present invention is moved to detect the weld bead, the background component 52 is located behind the device and has an inclined shape behind the shooting position Xb and contacts the weld bead to be detected in an inclined shape, thus achieving a sealing effect by blocking the external light entering from the outer shell portion 10 introduced from the rear side.

[0174] Therefore, since no light enters from the outside and the corresponding position remains sealed, the condition of no light entering can be maintained continuously when inspecting the weld bead, and the effect of maintaining uniform shooting quality is achieved by no light entering from the outside during the process of photographing the weld bead.

[0175] That is, when photographing a row of weld beads or the entire weld bead formed for joining pipes, no light enters from the outside from beginning to end. The light source for photographing the weld bead is provided only by the light from the illumination unit 53 included in the photographing unit 50. Therefore, the same light source is always used during the photographing of the weld bead, thus reducing the light changes caused by the light source entering from the outside and the resulting variability in the photographing results.

[0176] Furthermore, the illumination unit 53 that provides the light source is located between the high point of the weld bead captured at the shooting position Xb and the image sensing unit 51 for shooting. It provides a light source in front of the weld bead captured with the shooting position as a reference. With the high point of the weld bead at the shooting position as a reference, the shooting result is captured in the form of the front part of the pipe being lit, thereby enabling the shape of the weld bead to be digitized.

[0177] At this time, the position of the light source provided by the illumination unit 53 can be configured such that the shooting position Xb is located on the side of the background member 52. In this case, if the front part of the image of the weld bead captured by the image sensing unit 51 is captured in the form of shadow, it may be difficult to track the appearance of the weld bead in the shooting result. Therefore, as described above, the illumination unit 53 preferably provides illumination to the weld bead at the position in front of the shooting position Xb.

[0178] Furthermore, the background component 52 can have a replaceable structure. In the weld inspection device of the present invention, when the part made of soft material loses elasticity or is damaged by wear or tear during continuous shooting, it can be easily replaced, which helps to improve the maintainability of the device and the uniformity of the inspection quality.

[0179] Furthermore, the lighting unit 53 can provide a light source directly or indirectly to weld B, and when providing a light source, the lighting can be provided under the control of the inspector.

[0180] At this time, the light source provided by the lighting unit 53 can provide a single visible light composed of any one of various light sources such as white, red, blue, and green as a light source, or it can provide a combination of multiple light sources as a light source.

[0181] In the weld bead that is being photographed, the color of the weld bead may also vary depending on the color of the pipe. Therefore, a suitable light source is provided according to the material or color of the pipe so that the quality of the photographed weld bead remains uniform. For this purpose, the structure is constructed as described above.

[0182] At the same time, such as Figure 13 As shown in (e), the lighting groove 26a of the deep fixing plate 26 where the lighting part 53 is provided can be configured as a groove in the shape of a countersunk drill. Since the lighting part 53 is located at the upper end of the lighting groove 26a, the light source irradiated from the lighting part 53 can only illuminate the part of the weld bead to be inspected that is needed for imaging.

[0183] Furthermore, the imaging unit 50 may also include a calibration component 54 with standard scales or patterns, so as to compare and contrast the size of the photographed weld beads.

[0184] At the same time, such as Figure 14 As shown, the calibration component 54 can be detachable by being fastened to the calibration component fastening groove 24b formed on the bottom surface of the lower plate 24, or it can be fixed to the front of the background component 52. To simplify the computer processing work used to calculate the weld bead shape, it is preferable that it is only attached and used during calibration, and that it is removed for photography while traveling along the outer circumference of the pipe.

[0185] Furthermore, at the lower end of the calibration component 54, a groove with a similar shape to the weld groove 14 can be formed on the same line as the weld groove 14 formed at the location corresponding to the contact portion 19 between the contact plate 13 and the housing portion 10. This ensures that the operation of the device is not affected even if the calibration component 54 is formed as a single unit. Additionally, the calibration component 54 can be made of a transparent or translucent material.

[0186] In addition, it should be understood that the above description of the present invention is for illustrative purposes only, and those skilled in the art can readily modify it into other specific forms without changing the technical spirit or essential characteristics of the invention. Therefore, the embodiments described above should be understood as illustrative in all respects and not restrictive. For example, components described as a single type can be implemented in a distributed or discrete manner; similarly, components described as distributed or discrete can also be implemented in combination as understood by those skilled in the art. Furthermore, a method step can be performed multiple times individually or in combination with at least one other step.

[0187] The scope of this invention is defined by the appended claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents shall be construed as being included within the scope of this invention.

Claims

1. A weld inspection device for inspecting welds on the outer surface of a pipe, characterized in that, include: The outer casing (10) is used to form the exterior; The imaging section (50) is used to photograph the shape of the weld bead in an inner space that opens downward from the middle inner side of the outer casing (10); and A control unit (70) is provided in the housing (10) for storing image data captured by the imaging unit (50) or calculating the appearance morphology of the weld bead for judging the welding quality based on the image data. The imaging unit (50) has a structure that can photograph the appearance of the weld bead in the tangential direction of the pipe. And the camera unit (50) includes: Image sensing unit (51) for measuring an image of the weld bead appearance in the tangential direction of the pipe; and The illumination unit (53) provides illumination for measuring the image. The illumination direction or illumination range of the illumination unit (53) is set to form a dark background on the side opposite to the image sensing unit (51). In addition, the imaging unit (50) also includes a background component (52) which forms a background in the image on the side opposite to the image sensing unit (51).

2. The weld inspection device according to claim 1, characterized in that, The background component (52) has a length that is in contact with the outer surface of the pipe, and at least the portion in contact with the outer surface of the pipe is made of a soft material to block light from entering from the outside of the outer casing (10).

3. The weld inspection device according to claim 1, characterized in that, The imaging unit (50) also includes a calibration component (54) with a standard scale or pattern to identify the actual appearance size of the weld bead in the image measured by the image sensing unit (51).

4. The weld inspection device according to claim 1, characterized in that, The weld inspection device can travel along the outer periphery of the pipe in a lateral position where the weld image captured by the imaging unit (50) is biased toward the outer shell (10).

5. The weld inspection device according to claim 1, characterized in that, The weld bead detection device further includes an extension support (20) to maintain the imaging position of the imaging unit (50) on the weld bead in response to changes in the size of the pipe.

6. The weld inspection device according to claim 5, characterized in that, The lead-out support (20) includes: Support blocks (21), respectively disposed in front of and behind the outer casing (10) with reference to the photographing position of the weld bead, support the outer surface of the pipe; and Fix the knob (22a) and temporarily fix the support block (21) in the state where the support block (21) extends to contact the outer surface of the pipe.

7. The weld inspection device according to claim 6, characterized in that, The lead-out support (20) has a roller (21a) at the end of the support block (21), and is supported on the outer surface of the pipe by the roller (21a).

8. The weld inspection device according to claim 6, characterized in that, The lead-out support (20) also includes a suspension (22) that elastically supports the support block (21) relative to the outer shell (10), so that the support block (21) is formed in its original state of being led out from the outer shell (10) and introduced into the inner side of the outer shell (10) by applying pressure through contact with the outer surface of the pipe.

9. The weld inspection device according to claim 6, characterized in that, The lead-out support (20) also includes an adjustment knob (22c) for driving the lead-out and lead-in of the support block (21). At least one of the outer casing (10) and the adjustment knob (22c) has a scale display for guiding the lead-out dimension of the support block (21) or guiding the dimension of the pipe corresponding to the lead-out dimension.

10. The weld inspection device according to claim 1, characterized in that, The weld inspection device further includes a weld tracking guide (30) for guiding the weld inspection device to travel along the weld when it travels on the outer surface of the pipe. The weld bead tracking guide (30) includes a weld bead facing portion (38) disposed on at least one of the two outer peripheries of the weld bead and in contact with the at least one outer periphery.

11. The weld inspection device according to claim 10, characterized in that, The weld bead face (38) is configured to be adjustable in position or to be configured with a flexible mounting structure.

Images