CN213240015U

CN213240015U - Nondestructive testing device for pressure container

Info

Publication number: CN213240015U
Application number: CN202022170498.XU
Authority: CN
Inventors: 夏德权; 李坤; 靳卫华
Original assignee: Sichuan Jingzhun Special Equipment Inspection Co ltd
Current assignee: Sichuan Jingzhun Special Equipment Inspection Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-18
Anticipated expiration: 2030-09-28

Abstract

The utility model provides a pressure vessel nondestructive test device relates to pressure vessel and detects technical field. The pressure container nondestructive testing device comprises a support, a clamping assembly, a supporting plate, a driving motor, a rotating shaft, an adjusting assembly, a fixing rod, a connecting seat, a detecting head and a contact. The pressure vessel can be fixed by the arrangement of the clamping assembly. The pressure container can be driven to rotate by the arrangement of the supporting plate, the driving motor and the rotating shaft. The setting of adjustment subassembly can make the centre gripping subassembly move along level and vertical direction as required. The setting of dead lever, connecting seat, detecting head and contact can be through the articulated and two contacts of dead lever and connecting seat for the detecting head still can keep fixed with pressure vessel's interval when detecting the position that pressure vessel exists the inclined plane, with the accuracy of assurance testing result.

Description

Nondestructive testing device for pressure container

Technical Field

The utility model belongs to the technical field of pressure vessel detects technique and specifically relates to a pressure vessel nondestructive test device is related to.

Background

A pressure vessel is a closed vessel that can withstand pressure. The pressure container has wide application range, and has important position and function in many departments of industry, civil use, military industry and the like and many fields of scientific research.

The pressure vessel is generally subjected to nondestructive testing by a flaw detection device, for example, an operator holds a probe head to detect the pressure vessel, the probe head is connected with an eddy current flaw detector, and the operator can judge whether the pressure vessel has flaws such as cracks or the like from a display result of the eddy current flaw detector. This method requires a high operator demand, and it is difficult to obtain an accurate detection result. In the prior art, the detection head is fixed, and the pressure container is rotated to achieve the purpose of detection. However, some pressure vessels have irregular shapes and some parts have inclined surfaces, so that the distance between the probe head and the detection part is not fixed, and the detection result is easy to have deviation.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a pressure vessel nondestructive test device has solved current pressure vessel because its shape is irregular, and there is the inclined plane in some positions for the detecting head is unset with the distance of detection position, thereby leads to the testing result to have the technical problem of deviation easily.

In order to achieve the above object, the utility model provides a following technical scheme:

a pressure vessel nondestructive testing device mainly comprises: support, centre gripping subassembly, backup pad, driving motor, pivot, adjustment assembly, dead lever, connecting seat, detecting head and contact.

The support comprises a bottom plate and a top plate, and a plurality of supporting rods are arranged between the bottom plate and the top plate.

And the clamping assembly is used for fixing the pressure container and is positioned between the bottom plate and the top plate.

And the supporting plate is used for supporting the clamping assembly.

And the driving motor is used for driving the clamping assembly to rotate.

One end of the rotating shaft is fixed on the clamping component, and the other end of the rotating shaft penetrates through the supporting plate and is in transmission connection with an output shaft of the driving motor.

The adjusting component is fixed on the clamping component, and the adjusting component can enable the clamping component to move in the horizontal and vertical directions.

And a fixing rod fixed at the lower side of the top plate.

The connecting seat is positioned above the clamping assembly. The upper side of the connecting seat is provided with a groove, and the lower end of the fixing rod extends into the groove and is hinged with the connecting seat.

And the detecting head is connected with the eddy current flaw detector and is fixed at the center of the lower side of the connecting seat.

And one end of each contact is used for contacting the pressure container, and the two contacts are respectively fixed on the left side and the right side of the probe.

The pressure vessel can be fixed by the arrangement of the clamping assembly. The pressure container can be driven to rotate by the arrangement of the supporting plate, the driving motor and the rotating shaft. The setting of adjustment subassembly can make the centre gripping subassembly move along level and vertical direction as required. The setting of dead lever, connecting seat, detecting head and contact can be through the articulated and two contacts of dead lever and connecting seat for the detecting head still can keep fixed with pressure vessel's interval when detecting the position that pressure vessel exists the inclined plane, with the accuracy of assurance testing result.

In some embodiments of the present invention, the clamping assembly may mainly include: u-shaped board, first splint, insulating cover, movable block, second splint, connecting rod and pressure spring.

The U-shaped plate comprises a vertical plate, and a first transverse plate and a second transverse plate which are respectively fixed at two ends of the vertical plate. One end of the rotating shaft is fixed on the vertical plate.

The first clamping plate is fixed on the first transverse plate.

And the insulating sleeve is fixed on the second transverse plate. An electromagnet and a lithium battery are fixed in the insulating sleeve.

The movable block is sleeved in the insulating sleeve. The movable block is fixed with a magnet.

And the second clamping plate is matched with the first clamping plate together to fix the pressure container.

The connecting rod, on the fixed movable block in upper end, the lower extreme is fixed on the second splint.

The connecting rod overcoat is equipped with the pressure spring, and the both ends of pressure spring are fixed respectively on movable block and second splint.

The U-shaped plate, the first clamping plate, the insulating sleeve, the movable block, the second clamping plate, the connecting rod and the pressure spring are arranged, so that the clamping assembly can be used for fixing pressure containers of various specifications.

In some embodiments of the present invention, there are two U-shaped plates.

The pressure container can be more stably fixed by the arrangement of the two U-shaped plates.

In some embodiments of the present invention, the first clamping plate and the second clamping plate have a radian matching with the pressure container.

First splint and second splint all have the radian that matches with pressure vessel, make things convenient for first splint and second splint centre gripping pressure vessel.

In some embodiments of the present invention, the adjusting assembly mainly includes: hydraulic cylinder, lift seat, first removal seat, first cylinder, second remove seat and second cylinder.

And the hydraulic oil cylinder is fixed on the bottom plate.

The lifting seat is connected with the supporting rod in a sliding mode and can move up and down along the supporting rod. The upper side of the lifting seat is provided with a first slideway.

The lower side of the first movable seat is fixedly provided with a first sliding block matched with the first slide way, and the upper side of the first movable seat is provided with a second slide way.

The first cylinder is fixed at the right end of the upper side of the lifting seat so that the first movable seat can move left and right.

The lower side of the second movable seat is fixedly provided with a second sliding block matched with the second slide way; the supporting plate is fixed on the second movable seat.

And the second cylinder is fixed at the front end of the upper side of the first movable seat so as to enable the first movable seat to move back and forth.

Hydraulic cylinder, lift seat, first removal seat, first cylinder, second remove the setting of seat and second cylinder, make things convenient for the removal of centre gripping subassembly along vertical direction and horizontal direction.

In some embodiments of the present invention, there are four of the supporting rods, the sliding sleeves are all sleeved on the four supporting rods, and the four corners of the lifting seat are respectively fixed on the corresponding sliding sleeves.

The embodiment of the utility model provides an at least, have following advantage or beneficial effect:

1. the pressure vessel can be fixed by the arrangement of the clamping assembly. The pressure container can be driven to rotate by the arrangement of the supporting plate, the driving motor and the rotating shaft. The setting of adjustment subassembly can make the centre gripping subassembly move along level and vertical direction as required. The setting of dead lever, connecting seat, detecting head and contact can be through the articulated and two contacts of dead lever and connecting seat for the detecting head still can keep fixed with pressure vessel's interval when detecting the position that pressure vessel exists the inclined plane, with the accuracy of assurance testing result.

3. Hydraulic cylinder, lift seat, first removal seat, first cylinder, second remove the setting of seat and second cylinder, make things convenient for the removal of centre gripping subassembly along vertical direction and horizontal direction.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a nondestructive testing apparatus for pressure vessels according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 along direction A;

FIG. 3 is an enlarged view of a portion of position III of FIG. 2;

fig. 4 is a schematic structural diagram of a clamping assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a probe head according to an embodiment of the present invention for detecting a portion of a pressure vessel having an inclined surface.

Icon: 100-pressure vessel nondestructive testing device, 110-support, 111-bottom plate, 112-top plate, 113-support rod, 120-clamping component, 121-U-shaped plate, 1211-vertical plate, 1212-first transverse plate, 1213-second transverse plate, 122-first clamping plate, 123-insulating sleeve, 1231-electromagnet, 1232-lithium battery, 124-movable block, 1241-magnet, 125-second clamping plate, 126-connecting rod, 127-pressure spring, 130-supporting plate, 140-driving motor, 150-rotating shaft, 160-adjusting component, 161-hydraulic oil cylinder, 162-lifting seat, 1621-first slideway, 163-first movable seat, 1631-second slideway, 164-first air cylinder, 165-second movable seat, 166-second air cylinder, 170-fixing rod, 180-connecting seat, 181-groove, 190-probe, 210-contact, 230-sliding sleeve and 300-pressure container.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the embodiments of the present invention, it should be understood that the terms "center", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but 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 considered as limiting the embodiments of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features through another feature not in direct contact. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to fig. 5, the present embodiment provides a pressure vessel nondestructive testing apparatus 100, which mainly includes: the support frame 110, the clamping assembly 120, the support plate 130, the driving motor 140, the rotation shaft 150, the adjusting assembly 160, the fixing rod 170, the connecting socket 180, the probing tip 190 and the contact 210.

The bracket 110 includes a bottom plate 111 and a top plate 112, and a plurality of support rods 113 are disposed between the bottom plate 111 and the top plate 112.

And a clamping assembly 120 for fixing the pressure vessel 300 and located between the bottom plate 111 and the top plate 112.

And a support plate 130 for supporting the clamping assembly 120.

And the driving motor 140 is used for driving the clamping assembly 120 to rotate.

One end of the rotating shaft 150 is fixed on the clamping assembly 120, and the other end thereof penetrates through the supporting plate 130 and is in transmission connection with the output shaft of the driving motor 140.

And an adjusting assembly 160, wherein the clamping assembly 120 is fixed to the adjusting assembly 160, and the adjusting assembly 160 can enable the clamping assembly 120 to move along the horizontal direction and the vertical direction.

And a fixing bar 170 fixed to a lower side of the top plate 112.

The connecting seat 180 is located above the clamping assembly 120. The upper side of the connecting seat 180 is provided with a groove 181, and the lower end of the fixing rod 170 extends into the groove 181 and is hinged with the connecting seat 180.

The probe 190 is connected to an eddy current flaw detector (not shown) and is fixed to the center of the lower side of the connection base 180.

The two contacts 210 are fixed to the left and right sides of the probe head 190, respectively.

The clamping assembly 120 is configured to hold the pressure vessel 300 in place. The supporting plate 130, the driving motor 140 and the rotating shaft 150 are arranged to drive the pressure container 300 to rotate. The adjustment assembly 160 is configured to move the clamping assembly 120 in horizontal and vertical directions as desired. The fixing rod 170, the connecting seat 180, the probing tip 190 and the contacts 210 are arranged, so that the probing tip 190 can still keep fixed with the distance between the pressure container 300 when the inclined surface of the pressure container 300 is detected by the fixing rod 170, the connecting seat 180, the probing tip 190 and the two contacts 210, and the accuracy of the detection result is ensured.

More specifically, the end of the contact 210 that contacts the pressure vessel 300 is tapered to reduce friction between the contact 210 and the pressure vessel 300.

Specifically, the clamping assembly 120 may generally include: a U-shaped plate 121, a first clamping plate 122, an insulating sleeve 123, a movable block 124, a second clamping plate 125, a connecting rod 126 and a pressure spring 127.

The U-shaped plate 121 includes a vertical plate 1211 and a first cross plate 1212 and a second cross plate 1213 fixed to opposite ends of the vertical plate 1211. One end of the shaft 150 is fixed to the riser 1211.

The first clamping plate 122 is fixed to the first horizontal plate 1212.

And the insulating sleeve 123 is fixed on the second transverse plate 1213. An electromagnet 1231 and a lithium battery 1232 are fixed in the insulating sleeve 123.

The movable block 124 is sleeved in the insulating sleeve 123. A magnet 1241 is fixed to the movable block 124.

And a second clamping plate 125 cooperating with the first clamping plate 122 to fix the pressure vessel 300.

The connecting rod 126 is fixed on the movable block 124 at the upper end and fixed on the second clamping plate 125 at the lower end.

A compression spring 127 is sleeved outside the connecting rod 126, and two ends of the compression spring 127 are respectively fixed on the movable block 124 and the second clamping plate 125.

The arrangement of the U-shaped plate 121, the first clamping plate 122, the insulating sleeve 123, the movable block 124, the second clamping plate 125, the connecting rod 126 and the compression spring 127 enables the clamping assembly 120 to be used for fixing pressure vessels 300 of various sizes.

Specifically, there are two U-shaped plates 121. The two U-shaped plates 121 are arranged, so that the pressure container 300 can be fixed more stably.

Specifically, the first clamping plate 122 and the second clamping plate 125 each have an arc that matches the pressure vessel 300. The first clamping plate 122 and the second clamping plate 125 each have an arc that matches the pressure vessel 300, facilitating the clamping of the pressure vessel 300 by the first clamping plate 122 and the second clamping plate 125.

Specifically, the adjustment component 160 may generally include: hydraulic cylinder 161, lift block 162, first movable block 163, first cylinder 164, second movable block 165, and second cylinder 166.

The hydraulic cylinder 161 is fixed to the base plate 111.

The lifting seat 162 is slidably connected with the supporting rod 113, and the lifting seat 162 can move up and down along the supporting rod 113. The lifting seat 162 has a first slideway 1621 formed at an upper side thereof.

The first movable base 163 has a first slider (not shown) fixed on the lower side and matching with the first slide 1621, and a second slide 1631 on the upper side.

And a first cylinder 164 fixed to the right end of the upper side of the lift seat 162 to allow the first movable seat 163 to move left and right.

A second sliding block (not shown) matched with the second slide rail 1631 is fixedly arranged on the lower side of the second movable seat 165; the support plate 130 is fixed to the second moving base 165.

And a second cylinder 166 fixed to an upper front end of the first movable base 163 to allow the first movable base 163 to move forward and backward.

The arrangement of hydraulic cylinder 161, lifting base 162, first movable base 163, first air cylinder 164, second movable base 165 and second air cylinder 166 facilitates the movement of clamping assembly 120 in both the vertical and horizontal directions.

Specifically, there are four supporting rods 113, sliding sleeves 230 are respectively sleeved on the four supporting rods 113, and four corners of the lifting seat 162 are respectively fixed on the corresponding sliding sleeves 230.

The operation principle of the pressure vessel nondestructive testing device 100 is as follows:

the electromagnet 1231 is electrified, the electromagnet 1231 attracts the magnet 1241, the magnet 1241 drives the movable block 124 to move, and then the second clamping plate 125 is driven to move, so that the distance between the second clamping plate 125 and the first clamping plate 122 is increased, after the pressure container 300 is transversely placed on the first clamping plate 122, the electromagnet 1231 is powered off, and the second clamping plate 125 is tightly attached to the pressure container 300 under the action of the pressure spring 127 so as to fix the pressure container 300. After the pressure container 300 is fixed, the position of the pressure container 300 is adjusted by the hydraulic cylinder 161, the lifting base 162, the first moving base 163, the first air cylinder 164, the second moving base 165, and the second air cylinder 166, so that the two contacts 210 are in contact with the surface of the pressure container 300, and the distance between the probe head 190 and the pressure container 300 is fixed because the vertical distance between the two contacts 210 and the probe head 190 is fixed. When the position of the pressure container 300 with the inclined surface is detected, the connecting base 180 rotates relative to the fixing rod 170, so that the two contacts 210 can still be in contact with the surface of the pressure container 300, and the purposes of fixing the distance between the probe 190 and the pressure container 300 and ensuring the accuracy of the detection result are achieved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure vessel nondestructive inspection apparatus, comprising:

the support comprises a bottom plate and a top plate, and a plurality of support rods are arranged between the bottom plate and the top plate;

the clamping assembly is used for fixing the pressure container and is positioned between the bottom plate and the top plate;

a support plate for supporting the clamping assembly;

the driving motor is used for driving the clamping assembly to rotate;

one end of the rotating shaft is fixed on the clamping component, and the other end of the rotating shaft penetrates through the supporting plate and is in transmission connection with an output shaft of the driving motor;

the clamping assembly is fixed on the adjusting assembly, and the adjusting assembly can enable the clamping assembly to move along the horizontal and vertical directions;

the fixing rod is fixed on the lower side of the top plate;

the connecting seat is positioned above the clamping assembly; a groove is formed in the upper side of the connecting seat, and the lower end of the fixing rod extends into the groove and is hinged with the connecting seat;

the probe is connected with the eddy current flaw detector and is fixed at the center of the lower side of the connecting seat;

2. The pressure vessel nondestructive inspection apparatus of claim 1 wherein said clamping assembly comprises:

the U-shaped plate comprises a vertical plate, a first transverse plate and a second transverse plate, wherein the first transverse plate and the second transverse plate are respectively fixed at two ends of the vertical plate; one end of the rotating shaft is fixed on the vertical plate;

the first clamping plate is fixed on the first transverse plate;

the insulating sleeve is fixed on the second transverse plate; an electromagnet and a lithium battery are fixed in the insulating sleeve;

the movable block is sleeved in the insulating sleeve; a magnet is fixed on the movable block;

the second clamping plate is matched with the first clamping plate together to fix the pressure container;

the upper end of the connecting rod is fixed on the movable block, and the lower end of the connecting rod is fixed on the second clamping plate;

the connecting rod overcoat is equipped with the pressure spring, the both ends of pressure spring are fixed respectively the movable block with on the second splint.

3. The pressure vessel nondestructive testing apparatus of claim 2 wherein said U-shaped plates are two in number.

4. The pressure vessel nondestructive testing apparatus of claim 2 wherein said first clamping plate and said second clamping plate each have an arc matching the arc of the pressure vessel.

5. The pressure vessel nondestructive testing apparatus of claim 1, wherein said adjustment assembly comprises:

the hydraulic oil cylinder is fixed on the bottom plate;

the lifting seat is connected with the support rod in a sliding mode and can move up and down along the support rod; a first slideway is formed in the upper side of the lifting seat;

the lower side of the first movable seat is fixedly provided with a first sliding block matched with the first slide way, and the upper side of the first movable seat is provided with a second slide way;

the first cylinder is fixed at the right end of the upper side of the lifting seat so as to enable the first movable seat to move left and right;

the lower side of the second movable seat is fixedly provided with a second sliding block matched with the second slide way; the supporting plate is fixed on the second movable seat;

6. The nondestructive testing device for pressure vessels according to claim 5, wherein there are four supporting rods, four of the supporting rods are sleeved with sliding sleeves, and four corners of the lifting seat are fixed on the corresponding sliding sleeves respectively.