CN211825967U

CN211825967U - Nondestructive testing device for seal head of pressure vessel

Info

Publication number: CN211825967U
Application number: CN202020578277.3U
Authority: CN
Inventors: 张永祥; 黄栋; 陈丽萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-10-30
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a pressure vessel head nondestructive test device, including pressure vessel head nondestructive test device main part, the bottom fixedly connected with bottom plate of pressure vessel head nondestructive test device main part, the cover is equipped with the U-shaped base on the bottom plate, and the bottom four corners of U-shaped base all rotates and installs the walking wheel, equal fixedly connected with L shape locating plate on the both sides inner wall of U-shaped base, and the bottom of L shape locating plate and the bottom inner wall fixed connection of U-shaped base, and two L shape locating plate symmetries set up, the equal fixedly connected with rectangle sliding sleeve in both sides of bottom plate. The utility model relates to a rationally, be convenient for according to the height of the personnel quick adjustment pressure vessel head nondestructive test device main part of different heights, the comfort level that improves personnel's operation makes things convenient for the long-time detection achievement of personnel, and the setting up of four walking wheels cooperation U-shaped bases makes things convenient for the workman to remove the position of this device, reaches and makes things convenient for the workman to remove the check point and uses, is favorable to using.

Description

Nondestructive testing device for seal head of pressure vessel

Technical Field

The utility model relates to a nondestructive test equipment technical field especially relates to a pressure vessel head nondestructive test device.

Background

The end socket is a part of the pressure container, is connected with the cylinder body in a welding mode, is usually used at two ends of the pressure container, is a welded pipe product used for plugging the tail end of a pipeline, can be divided into a spherical shape, an oval shape, a disc shape, a spherical crown shape, a conical shell, a flat cover and the like according to different geometric shapes, has high requirements on the sealing performance and the pressure resistance of the end socket in the using process, and is indispensable to the detection process of the end socket; the No. CN205404445U discloses a pressure vessel head nondestructive test device, including base, video nondestructive test device and PLC controlling means, driving motor's output shaft passes through the reduction gear and is connected with the gearbox rotation, be equipped with the piezoceramics oscillator on the upper end output shaft of gearbox, the slot-shaped detection tray is installed to the upper end of piezoceramics oscillator, the both sides upper end of slot-shaped detection tray is fixed with ultrasonic probe through tensile bending post symmetry, ultrasonic probe and PLC controlling means electric connection, CMOS camera scanning head passes through power line box and PLC controlling means electric connection, has simple structure, easy operation, the result is stable, and can avoid adopting the mistake or the deviation that produces because of the testing personnel misoperation when former detection method, improve the comparability of testing result and reduce intensity of labour's advantage.

Above-mentioned patent still has some not enoughly, it is not convenient for suitably adjust nondestructive test device's height according to the personnel of different heights, the comfortable height that the personnel of different heights used also has some deviations, lead to long-time detection work more tired and not too convenient, it also does not make things convenient for the workman to remove nondestructive test device's position, bring some inconveniences for the use, improve to this phenomenon, therefore we provide a pressure vessel head nondestructive test device, a problem for solve above-mentioned.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure vessel head nondestructive testing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pressure vessel head nondestructive testing device comprises a pressure vessel head nondestructive testing device main body, wherein the bottom of the pressure vessel head nondestructive testing device main body is fixedly connected with a bottom plate, the bottom plate is sleeved with a U-shaped base, four corners of the bottom of the U-shaped base are respectively and rotatably provided with a traveling wheel, the inner walls of two sides of the U-shaped base are respectively and fixedly connected with an L-shaped positioning plate, the bottom of the L-shaped positioning plate is fixedly connected with the inner wall of the bottom of the U-shaped base, the two L-shaped positioning plates are symmetrically arranged, two sides of the bottom plate are respectively and fixedly connected with a rectangular sliding sleeve, the rectangular sliding sleeves are sleeved on the corresponding L-shaped positioning plates, a transverse plate is arranged below the bottom plate, two sides of the bottom of the transverse plate are respectively and fixedly connected with a supporting plate, the supporting plates are sleeved on the corresponding L, the screw threads of the two screw rods are opposite in rotating direction, one ends of the two screw rods close to each other are welded, one end of one screw rod of the two screw rods, far away from the other screw rod, is rotatably installed with the inner wall of the left side of the first rectangular hole, the right side of the transverse plate is fixedly provided with a driving motor, an output shaft of the driving motor extends into the first rectangular hole and is fixedly connected with one end of the other screw rod, far away from the one screw rod, two positioning rods are fixedly connected between the inner walls of the two sides of the first rectangular hole, a moving seat is sleeved on the screw threads of the screw rods, the moving seat is sleeved on the two positioning rods in a sliding manner, two obliquely arranged supporting rods are rotatably installed on the front side and the rear side of the moving seat, the two supporting rods positioned on the same side of the same moving seat are symmetrically arranged, the top ends of the four supporting rods positioned above the, the two support rods which are opposite to each other at the left and the right are symmetrically arranged.

Preferably, the top of the supporting plate is provided with a second rectangular hole, and the inner wall of the second rectangular hole is in sliding connection with the outer side of the corresponding L-shaped positioning plate.

Preferably, a handle is fixedly connected to the top of one side of the U-shaped base.

Preferably, one side of the moving seat is provided with a threaded hole and two third rectangular holes, the threaded hole is in threaded connection with the corresponding screw, and the inner wall of each third rectangular hole is in sliding connection with the outer side of the corresponding positioning rod.

Preferably, the front side and the rear side of the movable seat are fixedly connected with two round shafts, a round hole is formed in the front side of the supporting rod, a first bearing is fixedly sleeved in the round hole, and the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the corresponding round shaft.

Preferably, a second bearing is fixedly connected to the inner wall of the left side of the first rectangular hole, and the inner side of the inner ring of the second bearing is fixedly connected with the outer side of one screw rod.

Compared with the prior art, the beneficial effects of the utility model are that:

through the bottom plate, the U-shaped base, the L-shaped positioning plate, the walking wheels, the rectangular sliding sleeve, the transverse plates, the supporting plates, the positioning rods, the moving seat, the screw rods, the supporting rods, the driving motor and the round shafts, the arrangement of the four walking wheels is convenient for workers to move the position of the device, the driving motor is started in the forward direction to drive the two screw rods to rotate, the two screw rods can drive the two moving seats to slide on the two positioning rods in the direction away from each other, the moving seat drives the four supporting rods to rotate through the corresponding four round shafts, the four supporting rods below the moving seat extrude the inner wall of the bottom of the U-shaped base, under the extrusion force, the top ends of the supporting rods below the moving seat move upwards and drive the moving seat to move upwards through the corresponding round shafts, the moving seat drives the positioning rods to move upwards through the two transverse plates, four bracing pieces that are located the top rotate the extrusion to the bottom plate when rotating, under the extrusion force, the bottom plate rebound drives two rectangle sliding sleeves and upwards slides respectively on the L shape locating plate that corresponds, and the bottom plate drives pressure vessel head nondestructive test device main part rebound adjustment, and cooperation diaphragm self is also in the rebound, can double quick adjustment height that upwards makes progress in limited space.

The utility model relates to a rationally, be convenient for according to the height of the personnel quick adjustment pressure vessel head nondestructive test device main part of different heights, the comfort level that improves personnel's operation makes things convenient for the long-time detection achievement of personnel, and the setting up of four walking wheels cooperation U-shaped bases makes things convenient for the workman to remove the position of this device, reaches and makes things convenient for the workman to remove the check point and uses, is favorable to using.

Drawings

Fig. 1 is a schematic structural view of a nondestructive testing device for a pressure vessel end socket provided by the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure a of a nondestructive testing apparatus for a head of a pressure vessel according to the present invention;

fig. 3 is an enlarged schematic view of part B in fig. 2.

In the figure: the nondestructive testing device comprises a pressure vessel end socket nondestructive testing device body 1, a bottom plate 2, a 3U-shaped base, a 4L-shaped positioning plate, 5 walking wheels, a 6 rectangular sliding sleeve, a 7 transverse plate, a 8 supporting plate, a 9 positioning rod, a 10 moving seat, a 11 screw rod, a 12 supporting rod, a 13 driving motor, a 14 circular shaft and a 15 first rectangular hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a pressure vessel head nondestructive testing device comprises a pressure vessel head nondestructive testing device main body 1, a bottom plate 2 is fixedly connected to the bottom of the pressure vessel head nondestructive testing device main body 1, a U-shaped base 3 is sleeved on the bottom plate 2, walking wheels 5 are rotatably mounted at four corners of the bottom of the U-shaped base 3, L-shaped positioning plates 4 are fixedly connected to inner walls of two sides of the U-shaped base 3, the bottom of the L-shaped positioning plate 4 is fixedly connected to inner walls of the bottom of the U-shaped base 3, the two L-shaped positioning plates 4 are symmetrically arranged, rectangular sliding sleeves 6 are fixedly connected to two sides of the bottom plate 2, the rectangular sliding sleeves 6 are slidably sleeved on the corresponding L-shaped positioning plates 4, a transverse plate 7 is arranged below the bottom plate 2, supporting plates 8 are fixedly connected to two sides of the bottom of the transverse plate 7, the supporting, the top of the transverse plate 7 is provided with a first rectangular hole 15, two screw rods 11 are arranged in the first rectangular hole 15, the screw thread turning directions of the two screw rods 11 are opposite, the ends, close to each other, of the two screw rods 11 are welded, one end, far away from the other screw rod 11, of one screw rod 11 of the two screw rods 11 is rotatably installed with the inner wall of the left side of the first rectangular hole 15, the right side of the transverse plate 7 is fixedly provided with a driving motor 13, the output shaft of the driving motor 13 extends into the first rectangular hole 15 and is fixedly connected with one end, far away from the one screw rod 11, of the other screw rod 11, two positioning rods 9 are fixedly connected between the inner walls of the two sides of the first rectangular hole 15, a movable seat 10 is sleeved on the screw rods 11 in a threaded manner, the movable seat 10 is slidably sleeved on the two positioning rods 9, two obliquely arranged support rods 12 are rotatably installed on the front side and, the top of four bracing pieces 12 that lie in the top among eight bracing pieces 12 all is articulated with the bottom of bottom plate 2, and the bottom of four bracing pieces 12 that lie in the below all articulates with U-shaped base 3's bottom inner wall mutually, controls relative two bracing piece 12 symmetry settings, the utility model relates to a rationally, be convenient for according to the height of the personnel quick adjustment pressure vessel head nondestructive test device main part 1 of different heights, the comfort level that improves personnel's operation makes things convenient for the long-time detection work of personnel, and the setting up of four 5 cooperation U-shaped bases 3 of walking wheels makes things convenient for the workman to remove the position of this device, reaches and makes things convenient for the workman to remove the check point and uses, is favorable to.

In the utility model, the top of the supporting plate 8 is provided with a second rectangular hole, the inner wall of the second rectangular hole is connected with the outer side of the corresponding L-shaped positioning plate 4 in a sliding way, the top of one side of the U-shaped base 3 is fixedly connected with a handle, one side of the movable seat 10 is provided with a threaded hole and two third rectangular holes, the threaded hole is connected with the corresponding screw rod 11 in a threaded way, the inner wall of the third rectangular hole is connected with the outer side of the corresponding positioning rod 9 in a sliding way, the front side and the rear side of the movable seat 10 are both fixedly connected with two round shafts 14, the front side of the supporting rod 12 is provided with a round hole, a first bearing is fixedly sleeved in the round hole, the inner side of the inner ring of the first bearing is fixedly connected with the outer side of the corresponding round shaft 14, a second bearing is fixedly connected on the inner wall at the left side of the first rectangular hole 15, and, the height of pressure vessel head nondestructive test device main part 1 is convenient for adjust according to the personnel of different heights fast, improves the comfort level of personnel's operation and makes things convenient for the long-time detection achievement of personnel, and the position that this device was removed to the workman is made things convenient for in the setting up of four 5 cooperation U-shaped bases of walking wheel 3, reaches and makes things convenient for the workman to remove the check point and uses, is favorable to using.

The working principle is as follows: the four traveling wheels 5 are matched with the U-shaped base 3 to facilitate the worker to move the device, so that the worker can conveniently move the device to a detection point for use, when the height needs to be adjusted, the driving motor 13 is started in the forward direction, the driving motor 13 drives the two screw rods 11 to rotate, under the action of a threaded hole formed in one side of the movable seat 10, the two screw rods 11 can drive the two movable seats 10 to slide on the two positioning rods 9 in the direction away from each other, the movable seat 10 drives the four supporting rods 12 to rotate through the corresponding four circular shafts 14, the four supporting rods 12 positioned below extrude the inner wall of the bottom of the U-shaped base 3, under the extrusion force, the top ends of the supporting rods 12 positioned below move upwards and drive the movable seat 10 to move upwards through the corresponding circular shafts 14, the movable seat 10 drives the transverse plate 7 to move upwards through the two positioning rods 9, the transverse plate 7 drives the two supporting plates 8 to respectively slide, four bracing pieces 12 that are located the top rotate the extrusion upwards to bottom plate 2 when rotating, under the extrusion force, bottom plate 2 rebound drives two rectangle sliding sleeves 6 and upwards slides on L shape locating plate 4 that corresponds respectively, bottom plate 2 drives pressure vessel head nondestructive test device main part 1 and upwards moves the adjustment, cooperation diaphragm 7 self is also at the rebound, reach and can double quick upwards adjust pressure vessel head nondestructive test device main part 1, and adopt the distance that the mode of double adjustment can effectively increase altitude mixture control in limited volume.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pressure vessel head nondestructive testing device comprises a pressure vessel head nondestructive testing device main body (1), wherein the bottom of the pressure vessel head nondestructive testing device main body (1) is fixedly connected with a bottom plate (2), and is characterized in that a U-shaped base (3) is sleeved on the bottom plate (2), walking wheels (5) are rotatably arranged at four corners of the bottom of the U-shaped base (3), L-shaped positioning plates (4) are fixedly connected to inner walls of two sides of the U-shaped base (3), the bottom of each L-shaped positioning plate (4) is fixedly connected to the inner wall of the bottom of the U-shaped base (3), the two L-shaped positioning plates (4) are symmetrically arranged, rectangular sliding sleeves (6) are fixedly connected to two sides of the bottom plate (2), the rectangular sliding sleeves (6) are slidably sleeved on the corresponding L-shaped positioning plates (4), and transverse plates (7) are arranged below the bottom plate (2), and both sides of the bottom of the transverse plate (7) are fixedly connected with supporting plates (8), the supporting plates (8) are sleeved on the corresponding L-shaped positioning plates (4) in a sliding manner, the top of the transverse plate (7) is provided with a first rectangular hole (15), two screw rods (11) are arranged in the first rectangular hole (15), the thread turning directions of the two screw rods (11) are opposite, one ends of the two screw rods (11) which are close to each other are welded, one end of one screw rod (11) in the two screw rods (11), which is far away from the other screw rod (11), is rotatably installed with the inner wall of the left side of the first rectangular hole (15), the right side of the transverse plate (7) is fixedly provided with a driving motor (13), an output shaft of the driving motor (13) extends into the first rectangular hole (15) and is fixedly connected with one end of the other screw rod (11), two positioning rods (9) are fixedly connected between the inner walls of the two sides, screw thread cover is equipped with and removes seat (10) on screw rod (11), and remove seat (10) slip cover and establish on two locating levers (9), the front side and the rear side of removing seat (10) all rotate and install bracing piece (12) that two slopes set up, lie in same two bracing pieces (12) symmetry settings of removing seat (10) with one side, the top of four bracing pieces (12) that lie in the top in eight bracing pieces (12) all is articulated mutually with the bottom of bottom plate (2), the bottom of four bracing pieces (12) that lie in the below all articulates with the bottom inner wall of U-shaped base (3), control relative two bracing piece (12) symmetry settings.

2. The nondestructive testing device for the seal head of the pressure vessel according to claim 1 is characterized in that a second rectangular hole is formed in the top of the supporting plate (8), and the inner wall of the second rectangular hole is in sliding connection with the outer side of the corresponding L-shaped positioning plate (4).

3. The nondestructive testing device for the end socket of the pressure vessel according to claim 1 is characterized in that a handle is fixedly connected to the top of one side of the U-shaped base (3).

4. The nondestructive testing device for the seal head of the pressure vessel according to claim 1 is characterized in that one side of the movable seat (10) is provided with a threaded hole and two third rectangular holes, the threaded hole is in threaded connection with the corresponding screw rod (11), and the inner wall of each third rectangular hole is in sliding connection with the outer side of the corresponding positioning rod (9).

5. The nondestructive testing device for the seal head of the pressure vessel according to claim 1 is characterized in that two circular shafts (14) are fixedly connected to the front side and the rear side of the movable seat (10), a circular hole is formed in the front side of the support rod (12), a first bearing is fixedly sleeved in the circular hole, and the inner side of an inner ring of the first bearing is fixedly connected with the outer side of the corresponding circular shaft (14).

6. The nondestructive testing device for the seal head of the pressure vessel according to claim 1, wherein a second bearing is fixedly connected to the inner wall of the left side of the first rectangular hole (15), and the inner side of the inner ring of the second bearing is fixedly connected with the outer side of one screw rod (11).