CN114658845A - Rigidity enhancing device suitable for buckling deformation of pressure container and operation method - Google Patents

Abstract

The invention discloses a rigidity reinforcing device suitable for buckling deformation of a pressure container and an operation method thereof, the rigidity reinforcing device comprises a base, a sucker, a support ring and a rotary support assembly, wherein the base is columnar, the sucker is arranged on the bottom surface of the base, the support is arranged on the top surface of the base and is fixed, the support ring is annular and is fixed on the top of the support, the rotary support assembly is arranged on the outer wall of the support ring at equal intervals and in a circumferential manner, the rotary support assembly comprises a rotary ring capable of rotating radially relative to the outer wall of the support ring and a rigidity support unit supported by the inner wall surface of the pressure container vertically opposite to the outer wall of the rotary ring, the rigidity reinforcing device suitable for buckling deformation of the pressure container can be flexibly positioned and arranged, does not need strict arrangement standards, and can adjust buckling deformation under various pressure working conditions within a certain range, compared with the traditional reinforcing rib structure, the reinforcing rib structure can increase the rigidity and reserve more air storage spaces of the pressure container.

Description

A stiffness enhancing device suitable for buckling deformation of a pressure vessel and its operation method

technical field

The invention relates to the technical field of mechanical connection enhancement, in particular to a stiffness enhancement device and an operation method suitable for buckling deformation of a pressure vessel.

Background technique

Pressure vessels used in refrigeration and other fields have to be designed and manufactured in a rectangular shape due to the limitation of installation space, which is easier to form local buckling than a circular shape. In order to reduce buckling, stiffeners are generally used to improve buckling. The design of the stiffener is simple, and it is the standard means of strengthening the strength and stiffness, but the overall processing cost is high, and the stiffener cannot achieve the purpose of stiffness enhancement if it does not reach a certain height, and sometimes the arrangement of the stiffener is unreasonable. above purpose.

SUMMARY OF THE INVENTION

The purpose of this section is to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the application to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions may not be used to limit the scope of the invention.

The present invention is proposed in view of the above-mentioned and/or problems existing in the enhancement of rigidity of existing rectangular pressure vessels.

Therefore, the purpose of the present invention is to provide a rigidity enhancement device and operation method suitable for buckling deformation of pressure vessels. Compared with the traditional stiffeners, the arrangement is flexible, no strict arrangement standard is required, and the stiffness enhancement effect is better than that of the stiffeners.

In order to solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

A rigidity enhancement device suitable for buckling deformation of a pressure vessel, comprising:

base, cylindrical;

a suction cup, mounted on the bottom surface of the base;

a bracket, mounted on the top surface of the base and fixed;

a support ring, in the shape of a ring, fixed on the top of the bracket;

The rotating support assembly is installed on the outer wall of the support ring at equal distances and in a circumferential arrangement, which includes a swivel that can be rotated radially relative to the outer wall of the support ring and a pressure vessel that is perpendicular to the outer wall of the swivel ring. The rigidity support unit supported by the inner wall surface.

As a preferred solution of the rigidity enhancing device suitable for the buckling deformation of the pressure vessel according to the present invention, the top of the base has a shaft groove, and the bottom of the bracket has a shaft groove that is inserted and locked in the shaft groove shaft inside.

As a preferred solution of the rigidity enhancing device suitable for the buckling deformation of the pressure vessel according to the present invention, a plurality of arc-shaped grooves extending to the top and corresponding to the rigidity supporting unit are defined on the side wall of the base;

The outer side wall of the bracket has a plurality of extension blocks, and an arc-shaped gap communicated with the arc-shaped groove is formed between two adjacent extension blocks, and the outer wall part of the swivel ring is located in the arc-shaped gap gap, And when the rigid support units are rotated to a vertical state, the rigid support units are stored in the arc-shaped grooves in a one-to-one correspondence.

As a preferred solution of the rigidity enhancing device suitable for buckling deformation of a pressure vessel according to the present invention, wherein the rigidity supporting unit comprises a rotating arm vertically connected to the outer wall of the swivel ring, and is mounted on the rotating arm. A linear feed member in the arm and movable along the axial direction of the rotating arm, a universal ball joint seat connected with the free end of the linear feed member, and a universal ball joint seat embedded in the universal ball joint seat and installed Universally rotatable universal ball joint suction cup.

As a preferred solution of the rigidity enhancing device suitable for the buckling deformation of the pressure vessel according to the present invention, the top of the extension block is provided with a concave insert groove for mounting the support ring.

As a preferred solution of the rigidity enhancing device suitable for buckling deformation of a pressure vessel according to the present invention, wherein the linear feeding component includes a cylindrical linear arm and drives the cylindrical linear arm relative to the rotating arm Cylindrical linear motor for axial movement.

As a preferred solution of the rigidity enhancing device suitable for the buckling deformation of the pressure vessel according to the present invention, the outer wall of the support ring is provided with a limiting notch, and the ring groove of the swivel ring is provided with a rotor, so The support ring is sleeved with a stator, the stator is provided with a limiting block embedded in the limiting notch, and the stator and the rotor are coaxially assembled.

As a preferred solution of the rigidity enhancing device suitable for the buckling deformation of the pressure vessel according to the present invention, a through hole extending through to the bottom is formed on the top of the suction cup, and a metal iron core is arranged in the through hole. and a spiral tube is arranged on the outer wall of the metal iron core, the spiral tube is connected with a power-on control receiver, and the power-on control receiver is electrically connected with the power supply.

An operation method of a stiffness enhancing device suitable for buckling deformation of a pressure vessel, the specific steps are as follows:

S1. First, adsorb the suction cup of the rigidity enhancing device suitable for the buckling deformation of the pressure vessel on the inner wall of the pressure vessel, so that the rigidity enhancing device suitable for the buckling deformation of the pressure vessel is fixed;

S2, then turn over the rotating support assembly, so that the rotating support assembly rotates relative to the support ring to rotate and expand from the arc groove, and spreads out in a circular arrangement;

S3. Finally, the cylindrical linear motor will be started, so that the cylindrical linear motor drives the cylindrical linear arm to extend outward in the rotating arm, until the universal spherical hinge suction cups on each rotating support assembly are arranged in a circle and adhere to the inner wall of the pressure vessel. superior.

Compared with the prior art, the present invention has the beneficial effects as follows: the rigidity enhancing device suitable for the buckling deformation of the pressure vessel designed by the present invention can be flexibly localized and arranged without strict arrangement standards, and within a certain range, can Adjust the buckling deformation under various pressure conditions, increase the local stiffness of the wall after the device is adsorbed to achieve deformation control, and reduce the deformation of the pressure vessel through the reverse movement of the linear feed unit, and compared with the traditional rib structure , which can increase the stiffness and reserve more gas storage space for the pressure vessel.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments. As far as technical personnel are concerned, other drawings can also be obtained based on these drawings without paying creative labor. in:

FIG. 1 is a schematic diagram of the overall structure of a rigidity enhancing device suitable for buckling deformation of a pressure vessel of the present invention in a stored state;

2 is a schematic diagram of the overall structure of a rigidity enhancing device suitable for buckling deformation of a pressure vessel in the unfolded state of the present invention;

FIG. 3 is a partial structural schematic diagram of FIG. 2 of a rigidity enhancing device suitable for buckling deformation of a pressure vessel according to the present invention;

4 is a cross-sectional view of a rigidity enhancing device suitable for buckling deformation of a pressure vessel in an unfolded state according to the present invention;

FIG. 5 is an enlarged view of a part of the structure of FIG. 3 of a rigidity enhancing device suitable for buckling deformation of a pressure vessel according to the present invention;

6 is a schematic structural diagram of a base of a rigidity enhancing device suitable for buckling deformation of a pressure vessel according to the present invention;

FIG. 7 is a schematic diagram of the support structure of a rigidity enhancing device suitable for buckling deformation of a pressure vessel according to the present invention;

8 is a schematic structural diagram of a rotating support assembly of a rigidity enhancing device suitable for buckling deformation of a pressure vessel according to the present invention;

FIG. 9 shows a schematic diagram of the internal structure of a rigidity enhancing device suitable for buckling deformation of a pressure vessel according to the present invention.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Next, the present invention is described in detail with reference to the schematic diagrams. When describing the embodiments of the present invention in detail, for the convenience of explanation, the cross-sectional views showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not be limited here. The scope of protection of the present invention. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual production.

In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

The invention provides a rigidity enhancing device suitable for buckling deformation of a pressure vessel. Compared with the traditional reinforcing ribs, the arrangement is flexible, no strict arrangement standard is required, and the rigidity enhancing effect is better than that of the reinforcing ribs.

Figures 1 to 9 are schematic structural diagrams of an embodiment of a rigidity enhancement device suitable for buckling deformation of pressure vessels according to the present invention. Please refer to Figures 1 to 9. An embodiment of this embodiment is suitable for buckling deformation of pressure vessels. The rigidity enhancing device of the invention includes a base 100 , a suction cup 200 , a bracket 300 , a support ring 400 and a rotating support assembly 500 .

The base 100 has a column shape and is used as a supporting body of the bracket 300 , the supporting ring 400 and the rotating supporting assembly 500 .

The suction cup 200 is installed on the bottom surface of the base 100 for adsorbing on the inner wall of the pressure vessel, so that the rigidity enhancing device can be installed at any position of the pressure vessel, and there is no need to reserve an installation interface on the inner wall of the pressure vessel.

The bracket 300 is installed and fixed on the top surface of the base 100 to support and install the support ring 400. Preferably, in this embodiment, the top of the base 100 has a shaft groove 110, and the bottom of the bracket 300 has a shaft slot 110 that is inserted and locked on the shaft. The shaft 310 in the groove 110 and the shaft 310 on the bracket 300 can be screwed into the top of the base 100 with the shaft groove 110 through interference fit or internal and external thread fitting, and the side wall of the base 100 has a plurality of openings extending to The arc groove 120 at the top and corresponding to the rigid support unit 520, the outer side wall of the bracket 300 has a plurality of extension blocks 320, and there is an arc-shaped gap 330 communicated with the arc-shaped groove 120 between two adjacent extension blocks 320. The outer wall part of the ring 510 is located in the gap of the arc-shaped gap 330, and when the rigid support unit 520 is rotated to the vertical state, the rigid support units 520 are stored in the arc-shaped groove 120 in a one-to-one correspondence, so that the rotation support assembly 500 is not in use. In this embodiment, the extension block 320 is provided with a recessed groove 320a on the top of the extension block 320 for mounting and installing the support ring 400 .

The support ring 400 is in the shape of a ring, and is fixed on the top of the bracket 300 for installing the rotating support assembly 500 so that the rotating support assembly 500 can be reversed relative to each other.

The rotary support assemblies 500 are installed on the outer wall of the support ring 400 at equal distances and in a circumferential arrangement, and are used to support the inner wall of the pressure vessel in a circular shape. The swivel 510 and the rigidity support unit 520 arranged perpendicular to the outer wall of the swivel 510 and supporting the inner wall of the pressure vessel, in this embodiment, the rigidity support unit 520 includes a rotating arm 520a vertically connected to the outer wall of the swivel 510 , a linear feed member 520b installed in the rotary arm 520a and movable along the axis of the rotary arm 520a, a universal ball joint seat 520c connected with the free end of the linear feed member 520b, and a universal ball joint seat 520c embedded in the universal ball joint The universal spherical hinge suction cup 520d in the seat 520c and can be universally rotated. During use, the linear feed member 520b extends toward the inner wall of the pressure vessel relative to the rotating arm 520a. When the inner wall surface is in contact, the universal spherical hinge suction cup 520d is adsorbed on the inner wall surface of the pressure vessel. Preferably, in this embodiment, the linear feeding member 520b includes a cylindrical linear arm and a driving cylindrical linear arm relative to the axis of the rotating arm 520a. Cylindrical linear motor to move. The outer wall of the support ring 400 is provided with a limiting notch 410, the ring groove of the swivel ring 510 has a rotor 510a, the support ring 400 is sleeved with a stator 510b, and the stator 510b has a limiting block 510c embedded in the limiting notch 410, And the stator 510b and the rotor 510a are assembled coaxially.

Further, in this embodiment, the suction cup 200 is adsorbed on the inner wall of the pressure vessel. If the inner wall of the pressure vessel is uneven or rough, the suction and grasping force of the suction cup 200 is likely to be weak. In order to further improve the adsorption force of the disk 200, the top of the suction disk 200 is provided with a through hole 210 that penetrates to the bottom, the through hole 210 is provided with a metal iron core 220, and the outer wall of the metal iron core 220 is provided with a spiral tube 230. 230 is connected with a power-on control receiver, and the power-on control receiver is electrically connected to the power supply. When the suction cup 200 needs to be adsorbed on the inner wall of the pressure vessel, the power-on control receiver can directly receive the external power-on signal, and the power-on control receiver is at this time. The controller controls the solenoid 230 to be energized, the metal iron core 220 is magnetized by the electrified solenoid, and the magnetized metal iron core 220 becomes a magnet, which is tightly adsorbed on the inner wall of the pressure vessel. When the inner wall surface is removed, it is only necessary to power off the spiral tube 230 through the power-on control receiver. After the spiral tube 230 is de-energized, the metal iron core 220 no longer exhibits magnetism, that is, it does not have the ability to be adsorbed on the inner wall of the pressure vessel.

Correspondingly, in this embodiment, in order to further improve the adsorption force of the rigidity support unit 520, a metal iron core 220 can also be arranged in the universal spherical hinge suction cup 520d, and a spiral tube 230 can be arranged on the outer wall of the metal iron core 220. , the solenoid 230 is connected to the power-on control receiver, and the power-on control receiver is electrically connected to the power supply, so that the power-on control receiver controls the solenoid 230 to power on, the metal iron core 220 is magnetized by the power-on solenoid, and the magnetized metal iron The core 220 becomes a magnet, which is tightly attached to the inner wall of the pressure vessel. When the rigid support unit 520 needs to be removed from the inner wall of the pressure vessel, it is only necessary to power off the solenoid 230 through the power-on control receiver, and send the power to the ball hinge. The metal iron core 220 in the suction cup 520d is no longer capable of being adsorbed on the inner wall of the pressure vessel.

In order to further elaborate on the operation method of the above-mentioned stiffness enhancing device suitable for buckling deformation of pressure vessels, the present invention also provides an operating method for the stiffness enhancing device suitable for buckling deformation of pressure vessels. The specific steps are as follows:

S1. First, the suction cup 200 of the rigidity enhancing device suitable for buckling deformation of the pressure vessel is adsorbed on the inner wall surface of the pressure vessel, so that the rigidity enhancing device suitable for the buckling deformation of the pressure vessel is fixed;

S2, then flip the rotary support assembly 500, so that the rotary support assembly 500 rotates relative to the support ring 400 to rotate and expand from the arc-shaped groove 120, and spreads out in a circular arrangement;

S3. Finally, the cylindrical linear motor will be started, so that the cylindrical linear motor drives the cylindrical linear arm to extend outward in the rotating arm 520a, until the universal spherical hinge suction cups 520d on each rotating support assembly 500 are arranged in a circle and are attached to the pressure on the inner wall of the container.

To sum up, the stiffness enhancement device designed by the present invention suitable for buckling deformation of pressure vessels can be flexibly localized and arranged without strict arrangement standards, and can adjust the buckling deformation amount under various pressure conditions within a certain range. After the device is adsorbed, the local rigidity of the wall surface is increased to achieve deformation control, and the deformation of the pressure vessel is reduced by the reverse movement of the linear feed member 520b, and compared with the traditional reinforcing rib structure, it can increase the rigidity and reserve more The gas storage space of the pressure vessel.

Although the present invention has been described above with reference to the embodiments, various modifications may be made and equivalents may be substituted for parts thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features in the disclosed embodiments of the present invention can be combined with each other in any way, and the description of these combinations is not exhaustive in this specification. For the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (9)

1. A stiffness enhancing device adapted for buckling deformation of a pressure vessel, comprising:

a base (100) having a columnar shape;

a suction cup (200) mounted on a bottom surface of the base (100);

a bracket (300) mounted on the top surface of the base (100) and fixed;

the support ring (400) is in a ring shape and is fixed at the top of the bracket (300);

the rotary support assemblies (500) are arranged on the outer wall of the support ring (400) at equal intervals and in a circumferential arrangement mode, and comprise rotary rings (510) capable of rotating in the radial direction relative to the outer wall of the support ring (400) and rigidity support units (520) which are perpendicular to the outer wall of the rotary rings (510) and support the inner wall surface of the pressure container.

2. The rigidity enhancing device for buckling deformation of the pressure vessel as claimed in claim 1, wherein the base (100) has a shaft groove (110) at the top, and the bracket (300) has a shaft rod (310) at the bottom inserted and locked in the shaft groove (110).

3. The rigidity enhancing device suitable for the buckling deformation of the pressure vessel as claimed in claim 1, wherein the side wall of the base (100) is provided with a plurality of arc-shaped grooves (120) which extend to the top and correspond to the rigidity supporting units (520);

the outer side wall of the support (300) is provided with a plurality of extension blocks (320), an arc-shaped notch (330) communicated with the arc-shaped groove (120) is formed between every two adjacent extension blocks (320), the outer wall part of the rotating ring (510) is located in the arc-shaped notch (330), and when the rigidity supporting units (520) rotate to the vertical state, the rigidity supporting units (520) are correspondingly stored in the arc-shaped groove (120).

4. A stiffness enhancing device suitable for buckling deformation of a pressure vessel according to claim 1 or 3, wherein the stiffness support unit (520) comprises a rotating arm (520 a) vertically connected with the outer wall of the swivel (510), a linear feeding member (520 b) mounted in the rotating arm (520 a) and axially movable along the rotating arm (520 a), a universal ball hinge mount (520 c) connected with the free end of the linear feeding member (520 b), and a universal ball hinge suction cup (520 d) embedded in the universal ball hinge mount (520 c) and universally rotatable.

5. The rigidity enhancing device suitable for the buckling deformation of the pressure vessel as claimed in claim 3, wherein the top of the extension block (320) is provided with a recessed groove (320 a) for mounting the support ring (400).

6. The rigidity enhancing apparatus for buckling deformation of pressure vessel as claimed in claim 4, wherein the linear feeding member (520 b) comprises a cylindrical linear arm and a cylindrical linear motor for driving the cylindrical linear arm to move axially relative to the rotating arm (520 a).

7. The stiffness enhancing device suitable for the buckling deformation of the pressure vessel as claimed in claim 1, wherein the outer wall of the support ring (400) is provided with a limiting notch (410), the annular groove of the swivel ring (510) is provided with a rotor (510 a), the support ring (400) is sleeved with a stator (510 b), the stator (510 b) is provided with a limiting block (510 c) embedded and installed in the limiting notch (410), and the stator (510 b) and the rotor (510 a) are coaxially assembled.

8. The rigidity enhancing device suitable for buckling deformation of the pressure vessel as claimed in claim 1, wherein the sucker (200) is provided with a through hole (210) at the top and through to the bottom, a metal core (220) is arranged in the through hole (210), a spiral pipe (230) is wound on the outer wall of the metal core (220), the spiral pipe (230) is connected with a power control receiver, and the power control receiver is electrically connected with a power supply.

9. An operation method of the rigidity reinforcing device suitable for the buckling deformation of the pressure vessel according to any one of claims 1 to 8 is characterized by comprising the following specific steps:

s1, firstly, adsorbing the sucker (200) of the rigidity reinforcing device suitable for the buckling deformation of the pressure vessel on the inner wall surface of the pressure vessel to fix the rigidity reinforcing device suitable for the buckling deformation of the pressure vessel;

s2, turning over the rotary supporting component (500) to enable the rotary supporting component (500) to rotate relative to the supporting ring (400) and to be unfolded from the arc-shaped groove (120) in a rotating mode and to be distributed outwards in a circumferential arrangement;

and S3, finally, starting the cylindrical linear motor to drive the cylindrical linear arm to extend outwards in the rotating arm (520 a) until the universal spherical hinge suckers (520 d) on the rotating support assemblies (500) are arranged circumferentially and attached to the inner wall surface of the pressure vessel one by one.

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