CN212206498U - Nondestructive testing device for tightness of fillet weld of ship body - Google Patents
Nondestructive testing device for tightness of fillet weld of ship body Download PDFInfo
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- CN212206498U CN212206498U CN202021082902.1U CN202021082902U CN212206498U CN 212206498 U CN212206498 U CN 212206498U CN 202021082902 U CN202021082902 U CN 202021082902U CN 212206498 U CN212206498 U CN 212206498U
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Abstract
The utility model discloses a ship body fillet weld tightness nondestructive testing device, which comprises a steel plate and a weld at an included angle, wherein a hollow testing bin is arranged at the weld, and the rear side surface and the bottom surface of the testing bin are opened and are in contact fit with the surface of the steel plate; the front side surface of the detection bin is a window with a transparent inclined surface structure; a circular hole is formed in the top of the detection bin, the edge of the hole is connected with a hollow telescopic joint, a dropper penetrates through the telescopic joint, a valve is arranged at the upper end of the dropper, and a brush head is connected to the lower end of the dropper; an air hole is formed in the side surface of the detection bin, an air pipe is arranged in the air hole, one end of the air pipe extends into the detection bin, and the other end of the air pipe is connected with an air pump; the contact part of the detection bin and the steel plate is provided with a sealing device, and the sealing device comprises a sealing gasket, a pressing device and a self-checking mechanism. The device has solved prior art and need will detect the frock welding and wait to detect the steel sheet surface that detects, wastes time and energy, damages the problem of panel, has need not to weld and sealed effectual, the installation is dismantled conveniently, can not damage the characteristics on panel surface.
Description
Technical Field
The utility model belongs to the technical field of shipbuilding, in particular to hull fillet weld leakproofness nondestructive test device.
Background
In the ship building process, the ship body is formed by splicing plates with different thicknesses, so that welding seams with various shapes exist, a pre-tightness test is required for the fillet welding position of two steel plates with a certain included angle, and the tightness of the welding seams is detected; in the detection device in the prior art, a tool is often welded on the surface of a steel plate to seal the tool and a part to be detected, so that the mode is time-consuming and labor-consuming, and damages can be caused to the plate; and is not beneficial to smearing detection liquids such as soap water and the like on the welding seam part subsequently; therefore, it is necessary to design a ship body fillet weld tightness nondestructive testing device which does not need welding to seal with the surface of a plate.
Disclosure of Invention
The utility model aims to solve the technical problem that a hull fillet weld leakproofness nondestructive test device is provided, the device solved prior art need will detect the frock welding and wait to detect the steel sheet surface, waste time and energy, damage the problem of panel, have need not the welding and sealed effectual, the installation is dismantled conveniently, can not damage the characteristics on panel surface.
In order to realize the above design, the utility model adopts the following technical scheme: a ship body fillet weld tightness nondestructive testing device comprises a steel plate and a weld at an included angle, wherein a hollow testing bin is arranged at the weld, and the rear side surface and the bottom surface of the testing bin are provided with openings and are in contact fit with the surface of the steel plate; the front side surface of the detection bin is a window with a transparent inclined surface structure; a circular hole is formed in the top of the detection bin, the edge of the hole is connected with a hollow telescopic joint, a dropper penetrates through the telescopic joint, a valve is arranged at the upper end of the dropper, and a brush head is connected to the lower end of the dropper; an air hole is formed in the side surface of the detection bin, an air pipe is arranged in the air hole, one end of the air pipe extends into the detection bin, and the other end of the air pipe is connected with an air pump; the contact part of the detection bin and the steel plate is provided with a sealing device, and the sealing device comprises a sealing gasket, a pressing device and a self-checking mechanism.
The telescopic joint is a hollow fold structure with openings on the upper surface and the lower surface; the opening of the lower surface of the telescopic joint is connected with the edge of the circular hole at the top of the detection bin, and the opening of the upper surface of the telescopic joint is connected with the outer surface of the dropper.
The diameter of the dropper is smaller than the inner diameter of the telescopic joint and the diameter of the circular hole at the top of the detection bin; the top end of the dropper is used for filling detection liquid.
The brush head comprises a hollow connecting block on the upper surface and bristles on the lower surface of the connecting block; the upper surface of the connecting block is in threaded connection with the bottom end of the dropper; the lower surface of the connecting block is provided with a hole for discharging liquid.
Six sections of contact surfaces of the detection bin and the surface of the steel plate are provided with sealing devices, and the six sealing devices are identical in structure.
The lower surface of the sealing gasket is of a planar structure and is in contact fit with the steel plate; the upper surface of the sealing pad is provided with a first groove, a second groove and a third groove; wherein the first groove and the second groove are positioned outside the detection bin, and the third groove is positioned inside the detection bin.
The self-checking mechanism is arranged between the first groove and the second groove and is of a hollow tubular structure with an opening on the lower surface; the lower surface of the self-checking mechanism is in contact fit with the steel plate; the self-checking mechanisms of the six sealing devices are mutually communicated.
An oil filling pipe is connected to the surface of one side of the self-checking mechanism, and a valve is arranged on the oil filling pipe; the upper surface of the sealing pad is also provided with an assembly groove which is matched with a side plate of the detection bin in an inserting way, and the contact surface is provided with a sealing ring.
The pressing device comprises a first support plate connected to the inner wall of the detection bin and a second support plate connected to the outer wall of the detection bin; the lower surface of the first support plate is connected with the first electromagnet through a tension spring, and the lower surface of the second support plate is connected with the second electromagnet through a tension spring.
The first electromagnet is arranged in the second groove, and the second electromagnet is arranged in the third groove; a third electromagnet is arranged in the first groove; the first electromagnet, the second electromagnet and the third electromagnet are all connected with an external power supply.
A ship body fillet weld tightness nondestructive testing device comprises a steel plate and a weld at an included angle, wherein a hollow testing bin is arranged at the weld, and the rear side surface and the bottom surface of the testing bin are provided with openings and are in contact fit with the surface of the steel plate; the front side surface of the detection bin is a window with a transparent inclined surface structure; a circular hole is formed in the top of the detection bin, the edge of the hole is connected with a hollow telescopic joint, a dropper penetrates through the telescopic joint, a valve is arranged at the upper end of the dropper, and a brush head is connected to the lower end of the dropper; an air hole is formed in the side surface of the detection bin, an air pipe is arranged in the air hole, one end of the air pipe extends into the detection bin, and the other end of the air pipe is connected with an air pump; the contact part of the detection bin and the steel plate is provided with a sealing device, and the sealing device comprises a sealing gasket, a pressing device and a self-checking mechanism. The device has solved prior art and need will detect the frock welding and wait to detect the steel sheet surface that detects, wastes time and energy, damages the problem of panel, has need not to weld and sealed effectual, the installation is dismantled conveniently, can not damage the characteristics on panel surface.
In a preferred scheme, the telescopic joint is a hollow fold structure with openings on the upper surface and the lower surface; the opening of the lower surface of the telescopic joint is connected with the edge of the circular hole at the top of the detection bin, and the opening of the upper surface of the telescopic joint is connected with the outer surface of the dropper.
In a preferred scheme, the diameter of the dropper is smaller than the inner diameter of the telescopic joint and the diameter of the circular hole at the top of the detection bin; the top end of the dropper is used for filling detection liquid. Simple structure, during the use, the burette is used for adding soapy water as detecting liquid to welding seam department, and under the effect of telescopic joint, the burette can have the ability of reciprocating, and has the ability of certain rotation angle, is convenient for paint the different positions of welding seam.
In a preferred scheme, the brush head comprises a hollow connecting block on the upper surface and bristles on the lower surface of the connecting block; the upper surface of the connecting block is in threaded connection with the bottom end of the dropper; the lower surface of the connecting block is provided with a hole for discharging liquid. The structure is simple, when in use, the brush head is convenient for evenly coating soap water on the welding seam, the brush head is of a detachable structure, and can be detached, and parts such as the spray head and the like are connected with the dropper instead.
In a preferred scheme, sealing devices are arranged on six sections of contact surfaces of the detection bin and the surface of the steel plate, and the six sealing devices are identical in structure. The structure is simple, when the device is used, the rear side and the bottom surface of the detection bin are in contact with the surface of the steel plate by six edges, and a sealing device is arranged at each edge, so that the whole detection bin is completely attached and sealed with the surface of the steel plate, and a closed space is formed inside the detection bin; when the device is used specifically, the air pump is a pumping and pumping dual-purpose miniature air pump with the model number of F25N100.5, the air pump firstly inflates the detection bin, whether oil is leaked out of the sealing device is observed, if the oil is leaked out, the corresponding part is retreated in modes of smearing sealing mud and the like until the oil is not leaked out any more, and complete sealing is achieved; then, soapy water is smeared at the welding seam through a dropper, then air is pumped to enable the interior of the detection bin to be vacuum, and whether the air leakage phenomenon exists at the welding seam or not is observed.
In a preferred scheme, the lower surface of the sealing gasket is of a plane structure and is in contact fit with a steel plate; the upper surface of the sealing pad is provided with a first groove, a second groove and a third groove; wherein the first groove and the second groove are positioned outside the detection bin, and the third groove is positioned inside the detection bin.
In a preferred scheme, the self-checking mechanism is arranged between the first groove and the second groove and is of a hollow tubular structure with an opening on the lower surface; the lower surface of the self-checking mechanism is in contact fit with the steel plate; the self-checking mechanisms of the six sealing devices are mutually communicated.
In a preferred scheme, the surface of one side of the self-checking mechanism is connected with an oil filling pipe, and the oil filling pipe is provided with a valve; the upper surface of the sealing pad is also provided with an assembly groove which is matched with a side plate of the detection bin in an inserting way, and the contact surface is provided with a sealing ring. The self-checking device is simple in structure, when the self-checking device is used, oil is filled into the self-checking device through the oil filling pipe, when a certain part is sealed due to improper compression of the sealing gasket or uneven contact surface, the oil can be extruded out from an air leakage point in a mode of pumping air into the detection bin through the air pump, and therefore self-checking of the sealing condition of the device before detection is started is facilitated; the oil in the self-checking mechanism also plays a role in liquid sealing, and gas is prevented from entering.
In a preferred scheme, the pressing device comprises a first support plate connected to the inner wall of the detection bin and a second support plate connected to the outer wall of the detection bin; the lower surface of the first support plate is connected with the first electromagnet through a tension spring, and the lower surface of the second support plate is connected with the second electromagnet through a tension spring. Simple structure, during the use, whole detection device's structure adopts the aluminum alloy, does not produce the suction with magnet to get rid of the influence of interference force, made the electro-magnet only produce magnetic force with the steel sheet of below, thereby fixed sealing pad better.
In a preferred scheme, the first electromagnet is arranged in the second groove, and the second electromagnet is arranged in the third groove; a third electromagnet is arranged in the first groove; the first electromagnet, the second electromagnet and the third electromagnet are all connected with an external power supply. The structure is simple, when the sealing gasket is used, the electromagnet and the steel plate below the electromagnet generate magnetic force to firmly press the sealing gasket on the surface of the steel plate, so that sealing is realized; the magnetic force can be adjusted by an external power supply, so that the pressure on the sealing gasket is adjusted; after the use, only need to cut off the power supply to the electro-magnet, the detection device that pulls down that can be convenient compares in prior art with the detection device welding on the steel sheet surface, has the advantage of harmless, the dismouting of being convenient for.
A ship body fillet weld tightness nondestructive testing device comprises a steel plate and a weld at an included angle, wherein a hollow testing bin is arranged at the weld, and the rear side surface and the bottom surface of the testing bin are provided with openings and are in contact fit with the surface of the steel plate; the front side surface of the detection bin is a window with a transparent inclined surface structure; a circular hole is formed in the top of the detection bin, the edge of the hole is connected with a hollow telescopic joint, a dropper penetrates through the telescopic joint, a valve is arranged at the upper end of the dropper, and a brush head is connected to the lower end of the dropper; an air hole is formed in the side surface of the detection bin, an air pipe is arranged in the air hole, one end of the air pipe extends into the detection bin, and the other end of the air pipe is connected with an air pump; the contact part of the detection bin and the steel plate is provided with a sealing device, and the sealing device comprises a sealing gasket, a pressing device and a self-checking mechanism. The device has solved prior art and need will detect the frock welding and wait to detect the steel sheet surface that detects, wastes time and energy, damages the problem of panel, has need not to weld and sealed effectual, the installation is dismantled conveniently, can not damage the characteristics on panel surface.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic front view of the middle sealing device of the present invention.
Fig. 3 is a schematic structural diagram of the middle sealing gasket of the present invention.
The reference numbers in the figures are: the detection device comprises a steel plate 1, a welding seam 11, a detection bin 2, an expansion joint 21, a dropper 22, a brush head 23, an air pipe 24, an air pump 25, a window 3, a sealing device 4, a sealing gasket 41, a first groove 411, a second groove 412, a third groove 413, a self-checking mechanism 42, an oil injection pipe 43, a first support plate 44, a second support plate 45, a first electromagnet 46, a second electromagnet 47, a third electromagnet 48 and an assembly groove 5.
Detailed Description
As shown in fig. 1-3, a ship body fillet weld tightness nondestructive testing device comprises a steel plate 1 and a weld 11 at an included angle, wherein a hollow testing bin 2 is arranged at the weld 11, and the rear side surface and the bottom surface of the testing bin 2 are provided with openings and are in contact fit with the surface of the steel plate 1; the front side surface of the detection bin 2 is a window 3 with a transparent inclined surface structure; the top of the detection bin 2 is provided with a circular hole, the edge of the hole is connected with a hollow telescopic joint 21, a dropper 22 penetrates through the telescopic joint 21, the upper end of the dropper 22 is provided with a valve, and the lower end of the dropper is connected with a brush head 23; an air hole is formed in the side surface of the detection bin 2, an air pipe 24 is arranged in the air hole, one end of the air pipe 24 extends into the detection bin 2, and the other end of the air pipe is connected with an air pump 25; the contact part of the detection bin 2 and the steel plate 1 is provided with a sealing device 4, and the sealing device 4 comprises a sealing gasket 41, a pressing device and a self-checking mechanism 42. The device has solved prior art and need will detect the frock welding and wait to detect the steel sheet 1 surface that detects, wastes time and energy, damages the problem of panel, has need not to weld and sealed effectual, the installation is dismantled conveniently, can not damage the characteristics on panel surface.
In a preferred scheme, the telescopic joint 21 is a hollow corrugated structure with openings on the upper and lower surfaces; the opening of the lower surface of the telescopic joint 21 is connected with the edge of the circular hole at the top of the detection bin 2, and the opening of the upper surface of the telescopic joint 21 is connected with the outer surface of the dropper 22.
In a preferred scheme, the diameter of the dropper 22 is smaller than the inner diameter of the telescopic joint 21 and the diameter of the circular hole at the top of the detection bin 2; the top end of the dropper 22 is used for filling detection liquid. Simple structure, during the use, burette 22 is used for adding soapy water to welding seam 11 department as detecting liquid, and under the effect of telescopic joint 21, burette 22 can have the ability of reciprocating, and has the ability of certain rotation angle, is convenient for paint different positions of welding seam 11.
In a preferred scheme, the brush head 23 comprises a hollow connecting block on the upper surface and bristles on the lower surface of the connecting block; the upper surface of the connecting block is in threaded connection with the bottom end of the dropper 22; the lower surface of the connecting block is provided with a hole for discharging liquid. The structure is simple, when in use, the brush head 23 is convenient for evenly coating soap water on the welding seam 11, the brush head 23 is of a detachable structure, the brush head 23 can be detached, and parts such as a spray head and the like are connected with the dropper 22 instead.
In the preferred scheme, six sections of contact surfaces of the detection bin 2 and the surface of the steel plate 1 are provided with sealing devices 4, and the structures of the six sealing devices 4 are the same. The structure is simple, when the device is used, six edges are arranged on the rear side and the bottom surface of the detection bin 2 and are in contact with the surface of the steel plate 1, and a sealing device 4 is arranged at each edge, so that the complete fit and sealing of the whole detection bin 2 and the surface of the steel plate 1 are realized, and a closed space is formed inside the detection bin 2; when the device is used specifically, the air pump 25 is a pumping and pumping dual-purpose miniature air pump 25 with the model number of F25N100.5, the interior of the detection bin 2 is inflated firstly, whether oil is leaked out at the position of the sealing device 4 is observed, if the oil is leaked out, the corresponding position is retreated in a sealing mud coating mode until the oil is not leaked out, and complete sealing is achieved; then, soapy water is smeared at the welding seam 11 through the dropper 22, then air is pumped to vacuumize the detection bin 2, and whether the air leakage phenomenon exists at the welding seam 11 is observed.
In a preferred scheme, the lower surface of the sealing gasket 41 is of a plane structure and is in contact fit with the steel plate 1; the upper surface of the sealing gasket 41 is provided with a first groove 411, a second groove 412 and a third groove 413; wherein the first and second grooves 411 and 412 are located outside the detection chamber 2, and the third groove 413 is located inside the detection chamber 2.
In a preferred scheme, the self-checking mechanism 42 is arranged between the first groove 411 and the second groove 412, and the self-checking mechanism 42 is a hollow tubular structure with an open lower surface; the lower surface of the self-checking mechanism 42 is in contact fit with the steel plate 1; the self-checking mechanisms 42 of the six sealing devices 4 are in communication with each other.
In a preferred scheme, an oil filling pipe 43 is connected to the surface of one side of the self-checking mechanism 42, and a valve is arranged on the oil filling pipe 43; the upper surface of the sealing gasket 41 is also provided with an assembly groove 5 which is matched with a side plate of the detection bin 2 in an inserting way, and a sealing ring is arranged on the contact surface. The structure is simple, when the device is used, oil is filled into the self-checking mechanism 42 through the oil filling pipe 43, when the sealing gasket 41 is improperly pressed or the contact surface is not flat, and a certain part is sealed, the oil can be extruded out from an air leakage point in a mode of pumping air into the detection bin 2 through the air pump 25, so that the self-checking of the sealing condition of the device is facilitated before the detection is started; the oil in the self-checking mechanism 42 also plays a role of liquid sealing, and gas is prevented from entering.
In a preferred scheme, the pressing device comprises a first support plate 44 connected to the inner wall of the detection chamber 2 and a second support plate 45 connected to the outer wall of the detection chamber 2; the lower surface of the first support plate 44 is connected with a first electromagnet 46 through a tension spring, and the lower surface of the second support plate 45 is connected with a second electromagnet 47 through a tension spring. Simple structure, during the use, whole detection device's structure adopts the aluminum alloy, does not produce the suction with magnet to get rid of the influence of interference force, made the electro-magnet only produce magnetic force with steel sheet 1 of below, thereby fixed seal pad 41 better.
In a preferred embodiment, the first electromagnet 46 is disposed in the second groove 412, and the second electromagnet 47 is disposed in the third groove 413; a third electromagnet 48 is arranged in the first groove 411; the first electromagnet 46, the second electromagnet 47, and the third electromagnet 48 are all connected to an external power supply. The structure is simple, when the sealing device is used, the electromagnet and the steel plate 1 below the electromagnet generate magnetic force, and the sealing gasket 41 is firmly pressed on the surface of the steel plate 1, so that sealing is realized; the magnetic force can be adjusted by an external power supply, so that the pressure on the sealing gasket 41 is adjusted; after the use, only need to cut off the power supply to the electro-magnet, the detection device that pulls down that can be convenient compares in prior art with detection device welding on 1 surface of steel sheet, has the advantage of harmless, the dismouting of being convenient for.
According to the ship body fillet weld tightness nondestructive testing device, the welding seam 11 is provided with the hollow testing bin 2, and the rear side surface and the bottom surface of the testing bin 2 are provided with openings and are in contact fit with the surface of the steel plate 1; the front side surface of the detection bin 2 is a window 3 with a transparent inclined surface structure; the top of the detection bin 2 is provided with a circular hole, the edge of the hole is connected with a hollow telescopic joint 21, a dropper 22 penetrates through the telescopic joint 21, the upper end of the dropper 22 is provided with a valve, and the lower end of the dropper is connected with a brush head 23; an air hole is formed in the side surface of the detection bin 2, an air pipe 24 is arranged in the air hole, one end of the air pipe 24 extends into the detection bin 2, and the other end of the air pipe is connected with an air pump 25; the contact part of the detection bin 2 and the steel plate 1 is provided with a sealing device 4, and the sealing device 4 comprises a sealing gasket 41, a pressing device and a self-checking mechanism 42. The device has solved prior art and need will detect the frock welding and wait to detect the steel sheet 1 surface that detects, wastes time and energy, damages the problem of panel, has need not to weld and sealed effectual, the installation is dismantled conveniently, can not damage the characteristics on panel surface.
When in use, the telescopic joint 21 is a hollow fold structure with openings on the upper and lower surfaces; the opening of the lower surface of the telescopic joint 21 is connected with the edge of the circular hole at the top of the detection bin 2, and the opening of the upper surface of the telescopic joint 21 is connected with the outer surface of the dropper 22.
When in use, the diameter of the dropper 22 is smaller than the inner diameter of the telescopic joint 21 and the diameter of the circular hole at the top of the detection bin 2; the top end of the dropper 22 is used for filling detection liquid, the dropper 22 is used for adding soapy water to the welding seam 11 to serve as the detection liquid, and under the action of the telescopic joint 21, the dropper 22 can move up and down and has the capability of rotating a certain angle, so that different positions of the welding seam 11 can be conveniently smeared.
When in use, the brush head 23 comprises a hollow connecting block on the upper surface and bristles on the lower surface of the connecting block; the upper surface of the connecting block is in threaded connection with the bottom end of the dropper 22; the lower surface of the connecting block is provided with a hole for discharging liquid, the brush head 23 is convenient for evenly coating the soap water on the welding line 11, the brush head 23 is of a detachable structure, and the brush head 23 can be detached and is connected with the dropper 22 instead of a spray head and other parts.
When the device is used, six sections of contact surfaces of the detection bin 2 and the surface of the steel plate 1 are provided with the sealing devices 4, the six sealing devices 4 are identical in structure, the rear side and the bottom surface of the detection bin 2 are provided with six edges in contact with the surface of the steel plate 1, and each edge is provided with the sealing device 4, so that the complete fit sealing of the whole detection bin 2 and the surface of the steel plate 1 is realized, and a closed space is formed inside the detection bin 2; when the device is used specifically, the air pump 25 is a pumping and pumping dual-purpose miniature air pump 25 with the model number of F25N100.5, the interior of the detection bin 2 is inflated firstly, whether oil is leaked out at the position of the sealing device 4 is observed, if the oil is leaked out, the corresponding position is retreated in a sealing mud coating mode until the oil is not leaked out, and complete sealing is achieved; then, soapy water is smeared at the welding seam 11 through the dropper 22, then air is pumped to vacuumize the detection bin 2, and whether the air leakage phenomenon exists at the welding seam 11 is observed.
When the sealing gasket is used, the lower surface of the sealing gasket 41 is of a plane structure and is in contact fit with the steel plate 1; the upper surface of the sealing gasket 41 is provided with a first groove 411, a second groove 412 and a third groove 413; wherein the first and second grooves 411 and 412 are located outside the detection chamber 2, and the third groove 413 is located inside the detection chamber 2.
When in use, the self-checking mechanism 42 is arranged between the first groove 411 and the second groove 412, and the self-checking mechanism 42 is a hollow tubular structure with an opening on the lower surface; the lower surface of the self-checking mechanism 42 is in contact fit with the steel plate 1; the self-checking mechanisms 42 of the six sealing devices 4 are in communication with each other.
When in use, the surface of one side of the self-checking mechanism 42 is connected with an oil filling pipe 43, and the oil filling pipe 43 is provided with a valve; the upper surface of the sealing gasket 41 is also provided with an assembly groove 5 which is in plug-in fit with a side plate of the detection bin 2, a sealing ring is arranged on a contact surface, oil is filled into the self-detection mechanism 42 through an oil injection pipe 43, when the sealing gasket 41 is improperly compressed or the contact surface is uneven, and a certain part is sealed, the oil can be extruded out from an air leakage point through a mode of pumping air into the detection bin 2 by the air pump 25, so that the sealing condition of the device can be conveniently self-detected before detection is started; the oil in the self-checking mechanism 42 also plays a role of liquid sealing, and gas is prevented from entering.
When in use, the pressing device comprises a first support plate 44 connected to the inner wall of the detection chamber 2 and a second support plate 45 connected to the outer wall of the detection chamber 2; the lower surface of the first support plate 44 is connected with the first electromagnet 46 through a tension spring, the lower surface of the second support plate 45 is connected with the second electromagnet 47 through a tension spring, and the whole detection device is made of aluminum alloy and does not generate attraction with the magnets, so that the influence of interference force is eliminated, the electromagnets only generate magnetic force with the steel plate 1 below, and the sealing gasket 41 is fixed better.
When in use, the first electromagnet 46 is arranged in the second groove 412, and the second electromagnet 47 is arranged in the third groove 413; a third electromagnet 48 is arranged in the first groove 411; the first electromagnet 46, the second electromagnet 47 and the third electromagnet 48 are all connected with an external power supply, and the electromagnets and the steel plate 1 below generate magnetic force to firmly press the sealing gasket 41 on the surface of the steel plate 1, so that sealing is realized; the magnetic force can be adjusted by an external power supply, so that the pressure on the sealing gasket 41 is adjusted; after the use, only need to cut off the power supply to the electro-magnet, the detection device that pulls down that can be convenient compares in prior art with detection device welding on 1 surface of steel sheet, has the advantage of harmless, the dismouting of being convenient for.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. The utility model provides a hull fillet weld leakproofness nondestructive test device, includes welding seam (11) of steel sheet (1) and contained angle department, its characterized in that: a hollow detection bin (2) is arranged at the welding seam (11), and the rear side surface and the bottom surface of the detection bin (2) are provided with openings and are in contact fit with the surface of the steel plate (1); the front side surface of the detection bin (2) is a window (3) with a transparent inclined surface structure; the top of the detection bin (2) is provided with a circular hole, the edge of the hole is connected with a hollow telescopic joint (21), a dropper (22) penetrates through the telescopic joint (21), the upper end of the dropper (22) is provided with a valve, and the lower end of the dropper is connected with a brush head (23); an air hole is formed in the side surface of the detection bin (2), an air pipe (24) is arranged in the air hole, one end of the air pipe (24) extends into the detection bin (2), and the other end of the air pipe is connected with an air pump (25); the contact part of the detection bin (2) and the steel plate (1) is provided with a sealing device (4), and the sealing device (4) comprises a sealing gasket (41), a pressing device and a self-checking mechanism (42).
2. The ship hull fillet weld tightness nondestructive testing device according to claim 1, characterized in that: the telescopic joint (21) is a hollow fold structure with openings on the upper surface and the lower surface; the opening on the lower surface of the telescopic joint (21) is connected with the edge of a circular hole at the top of the detection bin (2), and the opening on the upper surface of the telescopic joint (21) is connected with the outer surface of the dropper (22).
3. The ship hull fillet weld tightness nondestructive testing device according to claim 1, characterized in that: the diameter of the dropper (22) is smaller than the inner diameter of the telescopic joint (21) and the diameter of the circular hole at the top of the detection bin (2); the top end of the dropper (22) is used for filling detection liquid.
4. The ship hull fillet weld tightness nondestructive testing device according to claim 1, characterized in that: the brush head (23) comprises a hollow connecting block on the upper surface and bristles on the lower surface of the connecting block; the upper surface of the connecting block is in threaded connection with the bottom end of the dropper (22); the lower surface of the connecting block is provided with a hole for discharging liquid.
5. The ship hull fillet weld tightness nondestructive testing device according to claim 1, characterized in that: six sections of contact surfaces on the surfaces of the detection bin (2) and the steel plate (1) are provided with sealing devices (4), and the six sealing devices (4) have the same structure.
6. The ship hull fillet weld tightness nondestructive testing device according to claim 1, characterized in that: the lower surface of the sealing gasket (41) is of a plane structure and is in contact fit with the steel plate (1); the upper surface of the sealing gasket (41) is provided with a first groove (411), a second groove (412) and a third groove (413); wherein the first groove (411) and the second groove (412) are positioned outside the detection chamber (2), and the third groove (413) is positioned inside the detection chamber (2).
7. The ship hull fillet weld tightness nondestructive testing device according to claim 1, characterized in that: the self-checking mechanism (42) is arranged between the first groove (411) and the second groove (412), and the self-checking mechanism (42) is of a hollow tubular structure with an opening on the lower surface; the lower surface of the self-checking mechanism (42) is in contact fit with the steel plate (1); the self-checking mechanisms (42) of the six sealing devices (4) are communicated with each other.
8. The ship hull fillet weld tightness nondestructive testing device according to claim 1, characterized in that: an oil filling pipe (43) is connected to the surface of one side of the self-checking mechanism (42), and a valve is arranged on the oil filling pipe (43); the upper surface of the sealing gasket (41) is also provided with an assembly groove (5) which is matched with a side plate of the detection bin (2) in an inserting way, and a sealing ring is arranged on the contact surface.
9. The ship hull fillet weld tightness nondestructive testing device according to claim 1, characterized in that: the pressing device comprises a first support plate (44) connected to the inner wall of the detection bin and a second support plate (45) connected to the outer wall of the detection bin; the lower surface of the first support plate (44) is connected with a first electromagnet (46) through a tension spring, and the lower surface of the second support plate (45) is connected with a second electromagnet (47) through a tension spring.
10. The hull fillet weld tightness nondestructive testing device according to claim 9, characterized in that: the first electromagnet (46) is arranged in the second groove (412), and the second electromagnet (47) is arranged in the third groove (413); a third electromagnet (48) is arranged in the first groove (411); the first electromagnet (46), the second electromagnet (47) and the third electromagnet (48) are all connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021082902.1U CN212206498U (en) | 2020-06-12 | 2020-06-12 | Nondestructive testing device for tightness of fillet weld of ship body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021082902.1U CN212206498U (en) | 2020-06-12 | 2020-06-12 | Nondestructive testing device for tightness of fillet weld of ship body |
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| Publication Number | Publication Date |
|---|---|
| CN212206498U true CN212206498U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021082902.1U Expired - Fee Related CN212206498U (en) | 2020-06-12 | 2020-06-12 | Nondestructive testing device for tightness of fillet weld of ship body |
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| CN (1) | CN212206498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117074413A (en) * | 2023-07-20 | 2023-11-17 | 威海瀚克船舶科技有限公司 | Detection device for detecting gaps of ship steel plates |
-
2020
- 2020-06-12 CN CN202021082902.1U patent/CN212206498U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117074413A (en) * | 2023-07-20 | 2023-11-17 | 威海瀚克船舶科技有限公司 | Detection device for detecting gaps of ship steel plates |
| CN117074413B (en) * | 2023-07-20 | 2024-05-14 | 台山市信和造船有限公司 | Detection device for detecting gaps of ship steel plates |
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