CN212321574U

CN212321574U - Center exposure support for nondestructive testing of pressure container

Info

Publication number: CN212321574U
Application number: CN202022919136.6U
Authority: CN
Inventors: 张鲁川; 李兴俭; 马照常; 李文芝
Original assignee: Shandong Longxi Guanyu Testing Technology Co ltd
Current assignee: Shandong Longxi Guanyu Testing Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-01-08
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a center exposure support for pressure vessel nondestructive test relates to pressure vessel nondestructive test equipment technical field, and it includes pressure vessel and the holding ring of setting in pressure vessel, be equipped with the detection mechanism who is used for detecting pressure vessel on the holding ring, detection mechanism includes the three sleeve of fixed connection at the holding ring lateral wall, and is three the sleeve lateral wall all runs through and is equipped with a shrink section of thick bamboo, and is three the equal fixedly connected with of shrink section of thick bamboo lateral wall supports tight piece, be equipped with the fixed establishment who is used for fixed check out test set in the holding ring. The utility model discloses can make the center expose support and be adapted to the detection of the pressure vessel of different internal diameters, further enlarge the application scope of device, through the frictional force that increases between block and the pressure vessel inner wall, make a shrink section of thick bamboo contradict at pressure vessel's inside wall more firmly in addition, prevent that the support position from taking place the skew in the measurement process.

Description

Center exposure support for nondestructive testing of pressure container

Technical Field

The utility model relates to a pressure vessel nondestructive test equipment technical field especially relates to a center exposure support for pressure vessel nondestructive test.

Background

The pressure container is widely applied to production and life of people, but has the potential safety hazards of flammability, explosiveness, corrosion and high temperature, and if explosion or leakage occurs, environmental pollution is caused and the health of people is harmed. Therefore, the design, production, installation and application of the pressure vessel need to be monitored so as to ensure that the pressure vessel is always in a safe state.

The hollow cylindrical pressure vessel is open at one end, and is generally placed transversely, before the pressure vessel is put into use, nondestructive testing needs to be carried out on the pressure vessel so as to reduce the possibility of danger when the pressure vessel is used, and a flaw detector is generally adopted to test the problems that cracks, bubbles and the like possibly exist in the pressure vessel. Need the staff to survey earlier among the prior art and get pressure vessel's center axis position, then place the defectoscope on the pressure vessel center axis, carry out nondestructive test but when testing pressure vessel, to the pressure vessel of different internal diameter size, need measure many times to it, error appears easily in the in-process of manual measurement, so cause the result of test inaccurate easily, so, need design a center exposure support for pressure vessel nondestructive test and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a center exposure support for nondestructive testing of a pressure vessel.

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

the utility model provides a center exposure support for pressure vessel nondestructive test, includes pressure vessel and the holding ring of setting in pressure vessel, the three sleeve of holding ring lateral wall fixedly connected with, it is three the sleeve lateral wall all runs through and is equipped with a shrink section of thick bamboo, it is three all be equipped with in the sleeve and be used for driving the flexible actuating mechanism of a shrink section of thick bamboo, actuating mechanism is including rotating the threaded rod of connection at the sleeve lateral wall, threaded rod one end is stretched into in the shrink section of thick bamboo, the fixed cover of threaded rod lateral wall has first conical gear, the sleeve lateral wall rotates and is connected with the axis of rotation, the first conical gear of the first conical gear meshing of axis of rotation one end fixedly connected with, the axis of rotation other end runs through sleeve lateral wall and fixedly connected with carousel.

Preferably, fixed establishment includes the installing frame of fixed connection at the position ring lateral wall, the installing frame lower extreme is equipped with a plurality of sucking discs, installing frame lateral wall sliding connection has the fixed plate.

Preferably, the shrinkage cylinder side wall is fixedly connected with a supporting block, the supporting block side wall is provided with an arc surface, and the supporting block side wall is fixedly connected with an anti-slip pad.

Preferably, the upper end of the fixing plate is elastically connected with the inner top of the mounting frame through a plurality of springs, the upper end of the fixing plate is symmetrically and fixedly connected with two pull rods, and the upper ends of the two pull rods penetrate through the upper end of the mounting frame.

Preferably, three of the sleeves are circumferentially equally spaced.

Preferably, the side walls of the three shrinkage cylinders are provided with scale marks, and the cross sections of the outer rings of the three shrinkage cylinders are rectangular.

The utility model discloses in, following beneficial effect has:

1. the device is provided with the detection mechanism, the distance between the positioning ring and the inner side wall of the pressure container can be calculated only according to the inner diameter of the pressure container, the three shrinkage cylinders extend outwards for the same length according to the scale marks, the central axis of the positioning ring and the central axis of the pressure container are positioned on the same straight line, the central exposure support can be suitable for detection of pressure containers with different inner diameters, and the application range of the device is further expanded;

2. this device has set up the piece that supports tightly, increases the frictional force between piece and the pressure vessel inner wall that supports tightly, makes a shrink section of thick bamboo conflict at pressure vessel's inside wall more firmly, prevents that support position from taking place the skew in the measurement process, and on the other hand can effectively prevent to support the extrusion of piece to the pressure vessel inner wall.

Drawings

Fig. 1 is a schematic structural view of a central exposure bracket for nondestructive testing of a pressure vessel according to the present invention;

fig. 2 is an enlarged view of a structure of fig. 1.

In the figure: 1 pressure vessel, 2 holding rings, 3 sleeves, 4 threaded rods, 5 mounting frames, 6 suckers, 7 fixing plates, 8 first bevel gears, 9 second bevel gears, 10 rotating shafts, 11 rotating discs, 12 shrinkage cylinders, 13 scale marks, 14 abutting blocks and 15 pull rods.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a center exposure support for nondestructive testing of pressure vessel comprises a pressure vessel 1 and a positioning ring 2 arranged in the pressure vessel 1, wherein three sleeves 3 are fixedly connected to the side wall of the positioning ring 2, the side walls of the three sleeves 3 are all provided with shrinkage barrels 12 in a penetrating manner, and the three sleeves 3 are arranged at equal intervals in the circumferential direction.

All be equipped with in three sleeve 3 and be used for driving the flexible actuating mechanism of a shrink section of thick bamboo 12, actuating mechanism is including rotating threaded rod 4 of connection at 3 lateral walls of sleeve, in 4 one ends of threaded rod stretched into a shrink section of thick bamboo 12, the fixed cover of 4 lateral walls of threaded rod has first conical gear 8, 3 lateral walls of sleeve rotate and are connected with axis of rotation 10, the second conical gear 9 of the first conical gear 8 meshing of 10 one end fixedly connected with of axis of rotation, the 10 other ends of axis of rotation run through 3 lateral walls of sleeve and fixedly connected with carousel 11.

Be equipped with the fixed establishment that is used for fixed check out test set in holding ring 2, fixed establishment includes fixed connection at the installing frame 5 of 2 lateral walls of holding ring, and 5 lower extremes of installing frame are equipped with a plurality of sucking

discs

6, and 5 lateral walls sliding connection of installing frame have fixed plate 7, and top elastic connection in 7 upper ends of fixed plate are through a plurality of springs and installing frame 5, two pull rods 15 of 7 upper end symmetry fixedly connected with of fixed plate, and 5 upper ends of installing frame are all run through to two pull rods 15 upper ends.

The utility model discloses in, the equal fixedly connected with of 12 lateral walls of three shrink section of thick bamboo supports

tight piece

14, 12 lateral walls of three shrink section of thick bamboo all are equipped with scale mark 13, convenient measurement, 12 outer lane cross sections of three shrink section of thick bamboo are the rectangle, make threaded rod 4 when rotating, shrink section of thick bamboo 12 can only follow 4 directions of threaded rod and remove, 14 lateral walls of three support tight piece all are equipped with the cambered surface, the equal fixedly connected with slipmat of 14 lateral walls of three support tight piece, increase the frictional force between tight piece 14 and the 1 inner wall of pressure vessel on the one hand, prevent that the support position from taking place the skew among the measurement process, on the other hand can effectively prevent to support the extrusion of tight piece 14 to 1 inner wall of pressure vessel.

When the device is used, according to the size of the inner diameter of a pressure container 1, a worker calculates the distance between a positioning ring 2 and the inner side wall of the pressure container 1, the worker sequentially rotates three rotating discs 11, the rotating discs 11 drive a rotating shaft 10 to rotate, the rotating shaft 10 drives a threaded rod 4 to rotate through the meshing of a first bevel gear 8 and a second bevel gear 9, under the limiting action of a sleeve 3, a shrinkage cylinder 12 extends outwards, the three shrinkage cylinders 12 extend outwards for the same length according to a scale mark 13, the central axis of the positioning ring 2 and the central axis of the pressure container 1 are located on the same straight line, two pull rods 15 are pulled upwards, a fixing plate 7 moves upwards, a flaw detector is placed on a mounting frame 5, a plurality of suction cups 6 adsorb the bottom of the flaw detector, the pull rods 15 are loosened, the fixing plate 7 moves downwards under the elastic action of a spring to clamp and fix the flaw detector, the pressure vessel 1 can be subjected to nondestructive testing by using a flaw detector.

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. The utility model provides a center exposure support for pressure vessel nondestructive test, includes pressure vessel (1) and holding ring (2) of setting in pressure vessel (1), its characterized in that, three sleeve (3) of holding ring (2) lateral wall fixedly connected with, it is three sleeve (3) lateral wall all runs through and is equipped with shrink section of thick bamboo (12), it is three all be equipped with in sleeve (3) and be used for driving the flexible actuating mechanism of shrink section of thick bamboo (12), actuating mechanism is including rotating threaded rod (4) of connection at sleeve (3) lateral wall, threaded rod (4) one end stretches into in shrink section of thick bamboo (12), threaded rod (4) lateral wall is fixed to be cup jointed first conical gear (8), sleeve (3) lateral wall rotates and is connected with axis of rotation (10), axis of rotation (10) one end fixedly connected with first conical gear (8) engaged with second conical gear (9), the other end of the rotating shaft (10) penetrates through the side wall of the sleeve (3) and is fixedly connected with a turntable (11), and a fixing mechanism for fixing the detection equipment is arranged in the positioning ring (2).

2. The center exposure support for the nondestructive testing of the pressure vessel is characterized in that the fixing mechanism comprises a mounting frame (5) fixedly connected to the side wall of the positioning ring (2), the lower end of the mounting frame (5) is provided with a plurality of suckers (6), and the side wall of the mounting frame (5) is slidably connected with a fixing plate (7).

3. The center exposure support for the nondestructive testing of the pressure vessel as claimed in claim 1, wherein the side walls of all three shrink cylinders (12) are fixedly connected with the abutting blocks (14), the side walls of all three abutting blocks (14) are provided with cambered surfaces, and the side walls of all three abutting blocks (14) are fixedly connected with anti-skid pads.

4. The center exposure support for the nondestructive testing of the pressure vessel is characterized in that the upper end of the fixing plate (7) is elastically connected with the inner top of the mounting frame (5) through a plurality of springs, two pull rods (15) are symmetrically and fixedly connected to the upper end of the fixing plate (7), and the upper ends of the two pull rods (15) penetrate through the upper end of the mounting frame (5).

5. A central exposure frame for the nondestructive examination of pressure vessels according to claim 1 characterized in that three of said sleeves (3) are circumferentially equally spaced.

6. The center exposure support for the nondestructive testing of the pressure vessel as claimed in claim 3, wherein the side walls of all three shrinkage cylinders (12) are provided with scale marks (13), and the cross sections of the outer rings of all three shrinkage cylinders (12) are rectangular.