Multi-angle detection device for circular seam of pressure vessel

Abstract

The utility model relates to the technical field of pressure vessel circular seam detection, and discloses a pressure vessel circular seam multi-angle detection device, which comprises four driving assemblies for driving a pressure vessel tank to rotate, a bottom plate and a detector, the number of the driving assemblies is four, two driving units form a group in the transverse direction, and the two groups are symmetrically arranged. The two driving units in one group are symmetrically arranged, the four driving units are arranged at the top of the bottom plate, an adjusting assembly is arranged on one side of the bottom plate, a limiting assembly is arranged on the other side of the bottom plate, the detector is horizontally arranged on the adjusting assembly, a rotatable cleaning assembly is arranged at the top of the adjusting assembly, and a rotating rod drives a supporting rod to rotate. The supporting rod drives the brush to rotate synchronously, the brush makes contact with the circular seam in the pressure container, when the circular seam rotates, impurities and dust on the circular seam are cleaned through the brush, and the impurities and the dust are prevented from affecting the detection precision of the detector.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure vessel ring seam detection technical field more particularly to a kind of pressure vessel ring seam multi-angle detection device. BACKGROUND

[0002] The pressure vessel on current market is generally formed by tank and end cover welded on two opening positions thereof, in order to ensure the sealing property of the pressure vessel, the weld formed by welding between the tank and the end cover is detected, and the quality of the weld is generally detected by X-ray flaw detector, and the X-ray emitted by the X-ray flaw detector is used to detect defects inside the material, such as internal porosity and slag inclusion.

[0003] However, when the existing pressure vessel ring seam detection device detects the ring seam of the pressure vessel, impurities and dust are inevitably present on the ring seam of the pressure vessel, which can absorb or scatter part of the X-ray, thereby changing the intensity and distribution of the X-ray, and thus affecting the accuracy of the detection. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of pressure vessel ring seam multi-angle detection device to solve the problem that impurities and dust can absorb or scatter part of the X-ray, thereby changing the intensity and distribution of the X-ray, and thus affecting the accuracy of the detection in the above background art.

[0005] The utility model provides the following technical scheme: a kind of pressure vessel ring seam multi-angle detection device, including the driving component that drives pressure vessel tank rotation, bottom plate and detector, the driving component has four, four driving units horizontal two driving units are a group, two groups are symmetrically arranged, two driving units in a group are symmetrically arranged, four are all set in the top of bottom plate, adjusting assembly is provided on the side of bottom plate, limit component is provided on the other side of bottom plate, detector is horizontally arranged on adjusting assembly, the top of adjusting assembly is provided with rotatable cleaning assembly.

[0006] Further, the driving component includes two fixed plates, a first motor, a power rod, a connecting rod, a main gear, a secondary gear, a rack and two rollers, the two fixed plates are fixedly installed on the top of the bottom plate, the two fixed plates are symmetrically arranged, the power rod and the connecting rod are arranged between the two fixed plates, one end of the power rod and the connecting rod is rotatably connected with one of the two fixed plates, the other end penetrates the other fixed plate and is rotatably connected with the penetrated fixed plate, the first motor is fixedly installed on the fixed plate penetrated by the power rod, the output end of the first motor is fixedly connected with one end of the power rod penetrating the fixed plate, the main gear is fixedly sleeved on the power rod, the secondary gear is fixedly sleeved on the connecting rod, the rack connects the main gear and the secondary gear, and the two rollers are fixedly sleeved on the power rod and the connecting rod respectively.

[0007] Further, the adjusting assembly comprises a connecting plate, a slot, a second motor, a lead screw and a sliding block, one side of the connecting plate is fixedly connected with one side of the bottom plate, the slot is formed in the connecting plate, a fixed end of the second motor is fixedly connected with an inner wall of the slot, one end of the lead screw is fixedly connected with an output end of the second motor, the other end is rotationally connected with the inner wall of the slot, the sliding block is sleeved on the lead screw and is in sliding connection with the slot, and the detector is arranged on one side of the sliding block.

[0008] Further, the limiting assembly comprises a supporting plate, a sliding groove, a bidirectional lead screw, a third motor, two limiting plates and two rotating discs, one side of the supporting plate is fixedly connected with the bottom plate, the sliding groove is formed in the supporting plate, the third motor is fixedly installed in the sliding groove, one end of the bidirectional lead screw is fixedly connected with an output end of the third motor, the other end is rotationally connected with an inner wall of the sliding groove, the threads on the two ends of the bidirectional lead screw are opposite in direction, the two limiting plates are both sleeved on the bidirectional lead screw, the two limiting plates are symmetrically arranged, and the two rotating discs are rotationally connected with the corresponding limiting plates.

[0009] Further, the cleaning assembly comprises a rectangular plate, a fourth motor, a rotating rod, a supporting rod and a brush, the rectangular plate is fixedly installed on the top of the sliding block, one end of the rotating rod penetrates through the rectangular plate and is rotationally connected with the rectangular plate, an output end of the fourth motor is fixedly connected with one end of the rotating rod penetrating through the rectangular plate, one end of the supporting rod is fixedly connected with the rotating rod, and the brush is fixedly installed on the supporting rod through bolts and is located above the detector.

[0010] Further, a supporting strip is fixedly installed at a fixed end of the third motor, and the other end of the supporting strip is fixedly connected with the connecting plate.

[0011] Technical effects and advantages of the present application:

[0012] 1. The utility model discloses a synchronous movement of connecting plate, fourth motor, rotating rod, supporting rod and brush is driven when the sliding block moves, and is moved to the area of ring slit detection, fourth motor starts at this time, rotating rod is driven through fourth motor and rotates, and the synchronous rotation of brush is driven through rotating rod and supporting rod, and the impurity and dust on the ring slit are cleaned through the contact of brush and ring slit when the ring slit rotates, so that the detection precision of detector is prevented from being influenced by impurity and dust. DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the structure schematic diagram of the driving assembly of the utility model;

[0015] Figure 3 It is the structure schematic diagram of the utility model Figure 2 A part amplification structure schematic diagram in the utility model;

[0016] Figure 4 It is a schematic view of the cleaning assembly structure of the utility model;

[0017] Figure 5 It is the utility model Figure 4 The enlarged schematic view of the B part.

[0018] The figure mark is: 1, drive assembly;101, fixed plate;102, first motor;103, power pole;104, connecting pole;105, main gear;106, auxiliary gear;107, rack;108, roller;2, bottom plate;3, detector;4, adjusting assembly;401, connecting plate;402, notched;403, second motor;404, screw;405, sliding block;5, limiting assembly;501, support plate;502, sliding groove;503, bidirectional screw;504, third motor;505, limiting plate;506, rotary disc;6, cleaning assembly;601, rectangular plate;602, fourth motor;603, rotating pole;604, support pole;605, brush;7, support strip. Specific implementation

[0019] The utility model will be further explained in combination with specific implementation examples, however, people skilled in the art should understand that the detailed explanation given in combination with the drawings here is to explain better, the structure of the utility model must exceed these limited examples, and some equivalent replacement schemes or common means will not be described in detail in the text, but still belong to the protection scope of the application.

[0020] Figures 1-5 It is the best embodiment of the utility model, the following will be combined with the Figure 1 ~ appendix Figure 5 The utility model will be further explained.

[0021] The utility model discloses a pressure vessel ring slit multi-angle detection device, including the drive assembly 1 of driving pressure vessel rotation, bottom plate 2 and detector 3, drive assembly 1 has four, four drive units transverse two drive units are a group, and two groups are symmetrically arranged, and the two drive units in a group are symmetrically arranged, and four are all arranged at the top of bottom plate 2, and the one side of bottom plate 2 is provided with adjusting assembly 4, and the other side of bottom plate 2 is provided with limiting assembly 5, and detector 3 is horizontally arranged on adjusting assembly 4, and the top of adjusting assembly 4 is provided with rotatable cleaning assembly 6.

[0022] In the embodiment, when in use, the worker places the pressure container horizontally on the four driving assemblies 1 and at the center, and positions the two ends of the pressure container by the limiting assembly 5 to prevent the pressure container from being dislocated when the driving assembly 1 drives the pressure container to rotate, and moves the cleaning assembly 6 and the detector 3 to the girth seam area by the adjusting assembly 4 to align the detector 3 and the cleaning assembly 6, and the cleaning assembly 6 contacts the girth seam, at this time, the pressure container is driven to rotate by the four groups of driving assemblies, the girth seam surface is cleaned by the cleaning assembly 6 to prevent impurities and dust from affecting the detection accuracy of the detector 3, the cleaned girth seam is detected by the detector 3, and the detector 3 detects the internal defects of the material by emitting X-rays. The detector 3 is an X-ray flaw detector in the prior art, which is not explained here.

[0023] Specifically, the driving assembly 1 comprises two fixed plates 101, a first motor 102, a power rod 103, a connecting rod 104, a main gear 105, an auxiliary gear 106, a rack 107 and two rollers 108. The two fixed plates 101 are fixedly installed on the top of the bottom plate 2 and are symmetrically arranged. The power rod 103 and the connecting rod 104 are arranged between the two fixed plates 101. One end of the power rod 103 and the connecting rod 104 is rotatably connected with one of the two fixed plates 101, the other end penetrates through the other fixed plate 101 and is rotatably connected with the penetrated fixed plate 101. The first motor 102 is fixedly installed on the fixed plate 101 penetrated by the power rod 103. The output end of the first motor 102 is fixedly connected with one end of the power rod 103 penetrating the fixed plate 101. The main gear 105 is fixedly sleeved on the power rod 103. The auxiliary gear 106 is fixedly sleeved on the connecting rod 104. The rack 107 connects the main gear 105 and the auxiliary gear 106. The two rollers 108 are fixedly sleeved on the power rod 103 and the connecting rod 104 respectively.

[0024] In the embodiment, when the worker places the pressure container horizontally on the four driving assemblies 1 and at the center, at this time, the surface of the pressure container contacts the two rollers 108 in the four driving assemblies 1. The upper four rollers 108 contact the surface at the center of the horizontally placed pressure container, and the lower four rollers 108 contact the surface of the pressure container. At this time, the first motor 102 is started, the first motor 102 drives the power rod 103 to rotate slowly, the power rod 103 drives the main gear 105 and one of the two rollers 108 to rotate, the main gear 105 drives the auxiliary gear 106 to rotate through the rack 107, the auxiliary gear 106 drives the connecting rod 104 and the other roller 108 to rotate, and the four driving assemblies 1 rotate in the same direction. At this time, the eight rollers 108 rotate, and the pressure container rotates due to the friction. The upper four rollers 108 contact the surface at the center of the horizontally placed pressure container, and the upper four rollers 108 limit the pressure container.

[0025] Specifically, the adjusting assembly 4 comprises a connecting plate 401, a notch 402, a second motor 403, a lead screw 404 and a sliding block 405. One side of the connecting plate 401 is fixedly connected with one side of the bottom plate 2. The notch 402 is arranged on the connecting plate 401. The fixed end of the second motor 403 is fixedly connected with the inner wall of the notch 402. One end of the lead screw 404 is fixedly connected with the output end of the second motor 403, and the other end is rotatably connected with the inner wall of the notch 402. The sliding block 405 is sleeved on the lead screw 404 and is in sliding fit with the notch 402. The detector 3 is arranged on one side of the sliding block 405.

[0026] In the embodiment, when the pressure container is positioned, the second motor 403 is started at this time. The second motor 403 drives the lead screw 404 to rotate. Because of the limitation of the notch 402, the sliding block 405 moves along the notch 402, so that the sliding block 405 drives the detector 3 and the cleaning assembly 6 to move synchronously. The detector 3 moves to the area of the girth joint of the pressure container, so that the detector 3 is aligned with the girth joint of the pressure container and detects the slowly rotating girth joint of the pressure container.

[0027] Specifically, the limiting assembly 5 comprises a supporting plate 501, a sliding groove 502, a bidirectional lead screw 503, a third motor 504, two limiting plates 505 and two rotating discs 506. One side of the supporting plate 501 is fixedly connected with the bottom plate 2. The sliding groove 502 is arranged on the supporting plate 501. The third motor 504 is fixedly installed in the sliding groove 502. One end of the bidirectional lead screw 503 is fixedly connected with the output end of the third motor 504, and the other end is rotatably connected with the inner wall of the sliding groove 502. The threads on the two ends of the bidirectional lead screw 503 are opposite in direction. The two limiting plates 505 are both sleeved on the bidirectional lead screw 503. The two limiting plates 505 are symmetrically arranged. The two rotating discs 506 are rotatably connected with the corresponding limiting plates 505.

[0028] In the embodiment, when the staff horizontally places the pressure container on the driving assembly 1, the third motor 504 is started. The third motor 504 drives the bidirectional lead screw 503 to rotate. Because of the limitation of the sliding groove 502, the two limiting plates 505 move close to each other. The two limiting plates 505 move and drive the corresponding rotating discs 506 to move synchronously. The two rotating discs 506 move close to each other and contact the two ends of the horizontally placed pressure container. The two rotating discs 506 clamp and limit the horizontally placed pressure container, so as to prevent the pressure container from rotating and being dislocated. When the pressure container rotates, the two rotating discs 506 rotate synchronously with the pressure container. When the detected pressure container needs to be removed, the third motor 504 drives the bidirectional lead screw 503 to reversely rotate, so that the two limiting plates 505 move away from each other, the two rotating discs 506 move away from each other, and the two rotating discs 506 no longer clamp the two ends of the pressure container. At this time, the staff removes the detected pressure container.

[0029] Specifically, the cleaning assembly 6 comprises a rectangular plate 601, a fourth motor 602, a rotating rod 603, a supporting rod 604 and a brush 605, the rectangular plate 601 is fixedly installed on the top of the sliding block 405, the rotating rod 603 penetrates through the rectangular plate 601 at one end and is rotationally connected with the rectangular plate 601, the output end of the fourth motor 602 is fixedly connected with the one end of the rotating rod 603 penetrating through the rectangular plate 601, the supporting rod 604 is fixedly connected with the rotating rod 603 at one end, the brush 605 is fixedly installed on the supporting rod 604 through bolts, and the brush 605 is located above the detector 3.

[0030] In the embodiment, when the sliding block 405 moves and drives the rectangular plate 601, the fourth motor 602, the rotating rod 603, the supporting rod 604 and the brush 605 to move synchronously, the fourth motor 602 is started, the rotating rod 603 is driven to rotate by the fourth motor 602, the supporting rod 604 is driven to rotate by the rotating rod 603, the brush 605 is synchronously driven to rotate by the supporting rod 604, and the brush 605 is in contact with the girth seam on the pressure container, so that the impurities on the girth seam are cleaned by the brush 605 when the girth seam rotates, and the detection precision of the detector 3 is prevented from being affected by the impurities and dust.

[0031] Specifically, the fixed end of the third motor 504 is fixedly installed with a supporting strip 7, and the other end of the supporting strip 7 is fixedly connected with the rectangular plate 601.

[0032] In the embodiment, the supporting strip 7 is used for fixing the third motor 504, so that the stability of the third motor 504 is improved.

[0033] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any person skilled in the art can modify or change the above disclosed technical content into equivalent embodiments. However, any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still falls within the protection scope of the present application.

Claims

1. A multi-angle detection device for circumferential seams of a pressure vessel, comprising a drive assembly (1) for rotating the pressure vessel tank, a base plate (2), and a detector (3), characterized in that: The drive assembly (1) has four units. The four drive units are arranged in groups of two horizontally. The two groups are symmetrically arranged. The two drive units in each group are symmetrically arranged. All four units are located on the top of the base plate (2). An adjustment assembly (4) is located on one side of the base plate (2). A limit assembly (5) is located on the other side of the base plate (2). The detector (3) is horizontally located on the adjustment assembly (4). A rotatable cleaning assembly (6) is located on the top of the adjustment assembly (4).

2. The pressure vessel circumferential seam multi-angle detection device according to claim 1, characterized in that: The drive assembly (1) includes two fixed plates (101), a first motor (102), a power rod (103), a connecting rod (104), a main gear (105), a secondary gear (106), a rack (107), and two rollers (108). The two fixed plates (101) are fixedly installed on the top of the base plate (2). The two fixed plates (101) are symmetrically arranged. The power rod (103) and the connecting rod (104) are arranged between the two fixed plates (101). One end of the power rod (103) and the connecting rod (104) is rotatably connected to one of the two fixed plates (101), and the other end passes through the other fixed plate. A plate (101) is rotatably connected to a through fixed plate (101). A first motor (102) is fixedly installed on the fixed plate (101) through which the power rod (103) passes. The output end of the first motor (102) is fixedly connected to one end of the power rod (103) through the fixed plate (101). A main gear (105) is fixedly sleeved on the power rod (103). A secondary gear (106) is fixedly sleeved on the connecting rod (104). A rack (107) connects the main gear (105) and the secondary gear (106). Two rollers (108) are fixedly sleeved on the power rod (103) and the connecting rod (104) respectively.

3. The pressure vessel circumferential seam multi-angle detection device according to claim 2, characterized in that: The adjustment assembly (4) includes a connecting plate (401), a slot (402), a second motor (403), a lead screw (404), and a slider (405). One side of the connecting plate (401) is fixedly connected to one side of the base plate (2). The slot (402) is opened on the connecting plate (401). The fixed end of the second motor (403) is fixedly connected to the inner wall of the slot (402). One end of the lead screw (404) is fixedly connected to the output end of the second motor (403), and the other end is rotatably connected to the inner wall of the slot (402). The slider (405) is sleeved on the lead screw (404) and slides with the slot (402). The detector (3) is set on one side of the slider (405).

4. The pressure vessel circumferential seam multi-angle detection device according to claim 1, characterized in that: The limiting component (5) includes a support plate (501), a slide groove (502), a bidirectional lead screw (503), a third motor (504), two limiting plates (505), and two turntables (506). One side of the support plate (501) is fixedly connected to the base plate (2). The slide groove (502) is opened on the support plate (501). The third motor (504) is fixedly installed in the slide groove (502). One end of the bidirectional lead screw (503) is fixedly connected to the output end of the third motor (504), and the other end is rotatably connected to the inner wall of the slide groove (502). The threads on both ends of the bidirectional lead screw (503) are opposite in direction. The two limiting plates (505) are both sleeved on the bidirectional lead screw (503). The two limiting plates (505) are symmetrically arranged. The two turntables (506) are rotatably connected to the corresponding limiting plates (505).

5. The pressure vessel circumferential seam multi-angle detection device according to claim 4, characterized in that: The cleaning assembly (6) includes a rectangular plate (601), a fourth motor (602), a rotating rod (603), a support rod (604), and a brush (605). The rectangular plate (601) is fixedly installed on the top of the slider (405). One end of the rotating rod (603) passes through the rectangular plate (601) and is rotatably connected to the rectangular plate (601). The output end of the fourth motor (602) is fixedly connected to one end of the rotating rod (603) that passes through the rectangular plate (601). One end of the support rod (604) is fixedly connected to the rotating rod (603). The brush (605) is fixedly installed on the support rod (604) by bolts. The brush (605) is located above the detector (3).

6. The pressure vessel circumferential seam multi-angle detection device according to claim 5, characterized in that: The third motor (504) has a support bar (7) fixedly installed at its fixed end, and the other end of the support bar (7) is fixedly connected to the connecting plate (401).

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