A pressure tank hoisting structure

Abstract

The present application relates to pressure tank hoisting technical field, specifically a kind of pressure tank hoisting structure, including tank frame frame, tank frame frame is set to the tank body periphery of pressure tank;The top of the neck of pressure tank is provided with outer ring protrusion, tank frame frame includes the clamp of being set to the tank body outer surface of pressure tank, and the hoisting frame of being set to the neck region of pressure tank, hoisting frame is provided with the positioning assembly matched with outer ring protrusion;Positioning assembly includes: positioning piece, is set between the outer ring protrusion;Fixed support frame, is installed on hoisting frame;Supporting piece, is set to the neck region of pressure tank and is supported to the bottom edge of outer ring protrusion;Bottom frame, is set to the bottom edge of hoisting frame and is fixedly connected with fixed support frame;Buffer piece, is inserted and combined type and is installed on bottom frame and is in contact with the bottom region of the neck of pressure tank.The present application is aimed at the tank body without lifting lug, with the neck region as the force point to carry out hoisting operation, hoisting stability is high, can effectively reduce the swing amplitude in the process of tank body operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pressure tank hoisting, in particular to a pressure tank hoisting structure. BACKGROUND

[0002] The existing pressure container often needs to be hoisted by lifting equipment during transportation or movement, and the conventional metal pressure container usually has lifting lugs welded on the tank body as the lifting position. However, the lifting lugs are generally arranged on the periphery of the tank body, which changes the peripheral shape of the tank body, making it inconvenient to load the tank body into related equipment. Therefore, for many devices, in order to stably load the tank body into the equipment, the matching tank body cannot adopt the lug structure. However, the tank body without lugs has many inconveniences and safety hazards during transportation or movement.

[0003] A pressure tank hoisting structure is disclosed in Chinese patent (grant announcement number: CN216190424U), which is aimed at hoisting the tank body without lugs, using the joint part of the top connecting seat as the force receiving member, setting a metal insert embedded in the tank body, installing a joint part extending out of the tank body on the metal insert, and hingedly connecting the end of a lifting ring with the joint part through the pin shaft located on both sides of the joint part. However, the design of this patent has certain defects, and the stability during hoisting is obviously insufficient, so it cannot meet the operation requirements of high-precision and high-stability pressure tanks. SUMMARY

[0004] The present application aims to provide a pressure tank hoisting structure to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0006] A pressure tank hoisting structure, comprising a tank mounting frame, which is arranged on the periphery of the tank body of the pressure tank;

[0007] The top of the tank neck of the pressure tank is provided with an outer ring protrusion, the tank mounting frame comprises a clamp arranged on the outer surface of the tank body of the pressure tank, and a hoisting frame arranged in the tank neck region of the pressure tank, the hoisting frame is provided with a positioning assembly matched with the outer ring protrusion, and the hoisting frame is provided with a lifting device;

[0008] The positioning assembly comprises:

[0009] A positioning member is sleeved between the outer ring protrusions;

[0010] A fixed support frame is installed on the hoisting frame and arranged on the periphery of the top of the tank neck of the pressure tank, and the positioning member is fixed on the fixed support frame;

[0011] The supporting member is sleeved on the neck area of the pressure tank and supported on the bottom edge of the outer ring protrusion, and the supporting member is fixedly installed with the fixed supporting frame;

[0012] The bottom frame is arranged on the bottom edge of the lifting frame and fixedly connected with the fixed supporting frame;

[0013] The buffer member is insertedly installed on the bottom frame and abuts against the bottom area of the neck of the pressure tank.

[0014] As a further scheme of the present application, the lifting frame is provided with a supporting frame column, the fixed supporting frame comprises a fixed frame body installed on the supporting frame column, the positioning member comprises a sleeve ring arranged between the outer ring protrusions, a closing block for closing the sleeve ring, and a supporting block installed on the periphery of the closing block, and the first locking holes are arranged between the supporting block and the fixed frame body, and the first locking holes are inserted with the first locking bolts.

[0015] As a further scheme of the present application, the supporting member comprises a supporting sleeve sleeved on the neck area of the pressure tank, a supporting end arranged on the top of the supporting sleeve, and a fixed protrusion arranged on the outer edge of the supporting sleeve, the bottom of the fixed frame body is further provided with a bottom fixed frame, the second locking holes are arranged between the fixed protrusion and the bottom fixed frame, and the second locking holes are inserted with the second locking bolts.

[0016] As a further scheme of the present application, the inner edge of the bottom frame is provided with a supporting frame, the front edge of the supporting frame is provided with an inner support, the supporting member is installed on the inner support, the bottom of the bottom fixed frame is provided with a lower edge block, the third locking holes are arranged between the lower edge block and the supporting frame, and the third locking holes are inserted with the third locking bolts.

[0017] As a further scheme of the present application, the bottom end of the bottom frame is provided with a pushing track, the main body of the buffer member is an elastic supporting member, the elastic supporting member is slidably installed on the pushing track, the inner end of the pushing track is provided with a fixed sheet, the fixed sheet is provided with a locking bolt, and the locking bolt is used to fix the elastic supporting member; the inner support is further provided with a folding bolt, the outer surface of the elastic supporting member is provided with a connecting bolt, and the connecting bolt is connected with the folding bolt.

[0018] As a further scheme of the present application, the elastic supporting member comprises a supporting body, an inner built-in arch piece and an outer built-in arch piece installed on the supporting body, the inner built-in arch piece is a hard and fixed structure, the outer built-in arch piece is a soft and elastic material, the inner built-in arch piece is arranged in the inner area of the outer built-in arch piece and there is an elastic space between the inner built-in arch piece and the outer built-in arch piece, and a plurality of elastic columns are filled in the elastic space.

[0019] As a further further scheme of the present application: the lifting frame is provided with a plurality of frame layers, a plurality of pull rope rollers are arranged between the frame layers, the pull rope rollers are arranged in a staggered manner, and a lifting rope is wound on each pull rope roller.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] The present application designs a positioning member as a sleeve member for fixing the top of the tank neck, which is sleeved between the outer ring protrusions; a supporting member is a sleeve member for fixing the middle of the tank neck and is supported on the bottom plane of the outer ring protrusions; a fixed support frame is installed on the lifting frame and fixes the positioning member and the supporting member, thereby forming a stable structure; a bottom frame is supported on the bottom edge of the fixed support frame, thereby forming a bottom support structure; in this way, the position of the tank neck of the pressure tank is supported and fixed by the lifting frame, and the lifting device operates on the lifting frame, thereby lifting the whole pressure tank by the tank lifting frame.

[0022] The present application designs a buffering member on the bottom frame, which supports the junction between the tank neck region and the tank body region of the pressure tank, thereby reducing the shaking amplitude of the pressure tank during operation, avoiding collision between the lifting frame and the tank body, and improving the stability during operation.

[0023] The present application is directed to a tank body without lifting lugs, and the tank neck region is used as the force point for lifting operation, without the need for drilling, embedding and other related operation modes, which will not affect the inside of the tank body, and the lifting stability is high, and the shaking amplitude of the tank body during operation can be effectively reduced.

[0024] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings incorporated into the specification and forming part of the specification illustrate embodiments consistent with the present application and, together with the specification, serve to explain the principles of the present application. At the same time, these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by reference to specific embodiments.

[0026] Figure 1 The overall structure schematic diagram of the pressure tank lifting structure provided by the embodiment of the present application.

[0027] Figure 2 The structure schematic diagram of the positioning assembly provided by the embodiment of the present application.

[0028] Figure 3 The position schematic diagram of the outer ring protrusion provided by the embodiment of the present application.

[0029] Figure 4The mounting schematic view of the positioning member, the fixed support frame and the supporting member provided by the embodiment of the present application.

[0030] Figure 5 The mounting schematic view of the bottom frame and the buffer member provided by the embodiment of the present application.

[0031] Figure 6 The mounting schematic view of the elastic supporting member provided by the embodiment of the present application.

[0032] Figure 7 The hoisting schematic view of the hoisting frame provided by the embodiment of the present application

[0033] In the figure: 11, the canning frame; 12, the clamp; 13, the hoisting device; 14, the outer ring protrusion; 15, the hoisting frame; 16, the positioning assembly; 21, the positioning member; 22, the fixed support frame; 23, the bottom frame; 24, the supporting member; 25, the buffer member; 31, the supporting frame column; 32, the fixed frame body; 33, the first locking hole; 34, the first locking bolt; 41, the closing block; 42, the embedded wire groove; 43, the sleeve clamp; 44, the frame connecting block; 51, the bottom fixed frame; 52, the supporting end; 53, the supporting clamp; 54, the fixed protrusion; 55, the second locking hole; 56, the second locking bolt; 62, the supporting frame; 63, the inner supporting frame; 64, the lower edge block; 65, the third locking hole; 66, the third locking bolt; 71, the elastic supporting member; 72, the pushing track; 73, the locking bolt; 74, the fixed sheet; 75, the folding bolt; 76, the connecting bolt; 81, the external arch sheet; 82, the internal arch sheet; 83, the elastic column; 84, the supporting main body; 85, the elastic space; 91, the frame layer; 92, the pull rope roller; 93, the hoisting rope. Embodiment

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, which are shown in the drawings. When the following description refers to the drawings, the same numerals in different drawings represent the same or similar elements unless otherwise indicated.

[0035] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0036] The specific implementation of the present application will be described in detail below in combination with specific embodiments.

[0037] In one embodiment,

[0038] Please refer to Figure 1 and Figure 3The application provides a pressure tank hoisting structure, which comprises a tank loading frame 11 arranged on the periphery of a tank body of a pressure tank.

[0039] An outer ring protrusion 14 is arranged on the top of a tank neck of the pressure tank, the tank loading frame 11 comprises a clamp 12 arranged on the outer surface of the tank body of the pressure tank and a hoisting frame 15 arranged on the tank neck region of the pressure tank, the hoisting frame 15 is provided with a positioning assembly 16 matched with the outer ring protrusion 14, and a hoisting device 13 is arranged outside the hoisting frame 15.

[0040] The embodiment is aimed at optimizing the hoisting operation of the pressure tank, and the operation object is a tank body without lifting lugs; however, the tank neck region of the pressure tank also needs a corresponding operation structure, the outer ring protrusion 14 is arranged on the annular outer protruding structure of the tank neck region (as shown in the figure), which can be integrally molded and produced with the pressure tank in the production stage, or can be fixed on the tank neck region of the pressure tank by means of subsequent processing welding, and does not affect the overall modeling of the tank body, and the tank neck region is exposed and connected with the joint on the pressure tank loading and related equipment, so as to not affect the installation and operation process of the tank body. Figure 3

[0041] The outer ring protrusion 14 is a force receiving part in the embodiment, so as to perform the hoisting operation; the tank loading frame 11 is a whole frame for hoisting and is arranged on the periphery of the tank body of the pressure tank; the clamp 12 is clamped on the tank body position of the pressure tank; the hoisting frame 15 is arranged on the top of the tank loading frame 11, the positioning assembly 16 thereof is matched with the outer ring protrusion 14, so as to fix the tank neck region of the pressure tank, and the tank neck region is taken as a fulcrum, so as to hoist the pressure tank upward.

[0042] Please refer to Figure 2 The positioning assembly 16 comprises:

[0043] A positioning piece 21 is sleeved between the outer ring protrusions 14;

[0044] A fixed support frame 22 is installed on the hoisting frame 15 and arranged on the periphery of the top of the tank neck of the pressure tank, and the positioning piece 21 is fixed on the fixed support frame 22;

[0045] A supporting piece 24 is sleeved on the tank neck region of the pressure tank and supported on the bottom edge of the outer ring protrusion 14, and the supporting piece 24 is fixedly installed with the fixed support frame 22;

[0046] A bottom frame 23 is arranged on the bottom edge of the hoisting frame 15 and fixedly connected with the fixed support frame 22;

[0047] A buffer piece 25 is insertedly installed on the bottom frame 23 and abuts against the bottom region of the tank neck of the pressure tank.

[0048] ​In this embodiment, the outer ring protrusion 14 is provided with two rows, the positioning member 21 is a sleeve member for fixing the top of the tank neck, and is sleeved between the outer ring protrusions 14; the supporting member 24 is a sleeve member for fixing the middle of the tank neck, and is supported on the bottom plane of the outer ring protrusion 14; the fixed support frame 22 is installed on the lifting frame 15 and fixes the positioning member 21 and the supporting member 24, thereby forming a stable structure; the bottom frame 23 is further supported on the bottom edge of the fixed support frame 22, thereby forming a bottom support structure; in this way, the position of the tank neck of the pressure tank is supported and fixed by the lifting frame 15, the lifting device 13 operates on the lifting frame 15, and the whole pressure tank is lifted by the tank lifting frame 11.

[0049] Meanwhile, the bottom frame 23 is further provided with a buffer member 25, which supports the junction between the tank neck region and the tank body region of the pressure tank, thereby reducing the shaking amplitude of the pressure tank during operation, avoiding collision between the lifting frame 15 and the tank body, and improving the stability during operation.

[0050] In this embodiment, the tank body without lifting lugs is lifted by taking the tank neck region as the force point, without the need for drilling, embedding and other related operation modes, which will not affect the inside of the tank body, and the lifting stability is high, and the shaking amplitude of the tank body during operation can be effectively reduced.

[0051] In one embodiment,

[0052] Based on the above embodiment, for the specific implementation structure of the positioning member 21, please refer to Figure 4 , and the embodiment is designed as follows

[0053] The lifting frame 15 is provided with a support frame 31, the fixed support frame 22 includes a fixed frame body 32 installed on the support frame 31, the positioning member 21 includes a sleeve 43 provided between the outer ring protrusions 14, a closing block 41 for closing the sleeve 43, and a bracket block 44 installed on the periphery of the closing block 41, and the bracket block 44 and the fixed frame body 32 are both provided with a first locking hole 33, and the first locking hole 33 is inserted with a first locking bolt 34.

[0054] During operation, the sleeve 43 is first fixed on the tank neck of the pressure tank and clamped between the outer ring protrusions 14, the first locking hole 33 on the bracket block 44 is matched with the first locking hole 33 on the fixed frame body 32 by rotating the sleeve 43, the sleeve 43 is locked, and the bracket block 44 and the fixed frame body 32 are fixed by the first locking bolt 34. In this way, the whole positioning member 21 is positioned on the tank neck of the pressure tank and is fixed on the lifting frame 15.

[0055] Preferably, the outer ring protrusion 14 can be provided with an embedded wire groove 42, the embedded wire groove 42 has a ring structure, the sleeve 43 is clamped into the embedded wire groove 42, and the stability of positioning the tank neck is improved.

[0056] In one embodiment;

[0057] Based on the above embodiment, for the specific implementation structure of the support 24, please refer to Figure 4 , the embodiment is designed as follows:

[0058] The support 24 includes a support hoop 53 sleeved on the neck area of the pressure tank, a support end 52 arranged at the top of the support hoop 53, and a fixing protrusion 54 arranged on the outer edge of the support hoop 53. The bottom of the fixed frame body 32 is further provided with a bottom fixing frame 51, and a second locking hole 55 is arranged between the bottom fixing frame 51 and the fixing protrusion 54. A second locking bolt 56 is inserted into the second locking hole 55.

[0059] During operation, the support hoop 53 is first fixed on the middle area of the tank neck, and the support end 52 is supported on the bottom plane of the outer ring protrusion 14 at the bottom. Then the support hoop 53 is rotated so that the fixing protrusion 54 extends into the frame structure composed of the fixed frame body 32 and the bottom fixing frame 51, and the fixing protrusion 54 is supported on the bottom fixing frame 51. The second locking hole 55 on the bottom fixing frame 51 is matched with the second locking hole 55 on the fixing protrusion 54. Then the support hoop 53 is locked, and the bottom fixing frame 51 and the fixing protrusion 54 are fixed by the second locking bolt 56. Based on the fixing of the positioning member 21 on the top area of the tank neck, the support 24 further fixes the middle area of the tank neck. The support end 52 at the top forms an upward force on the outer ring protrusion 14 from the bottom, and the fixing protrusion 54 at the outer side is fixed with the bottom fixing frame 51, so that the support 24, the positioning member 21 and the fixed support frame 22 form a stable structure fixed in an up-down manner.

[0060] In one embodiment;

[0061] Based on the above embodiment, for the specific implementation structure of the bottom frame 23, please refer to Figure 5 , the embodiment is designed as follows:

[0062] The inner edge of the bottom frame 23 is provided with a support frame 62, the front edge of the support frame 62 is provided with an inner support 63, the support 24 is installed on the inner support 63, the bottom of the bottom fixing frame 51 is provided with a lower edge block 64, a third locking hole 65 is arranged between the lower edge block 64 and the support frame 62, and a third locking bolt 66 is inserted into the third locking hole 65.

[0063] The bottom frame 23 is arranged at the bottom of the fixed support frame 22, the bottom fixing frame 51 at the bottom of the fixed support frame 22 is arranged on the support frame 62, and the lower edge block 64 and the support frame 62 are fixed by the third locking bolt 66, so as to stably support the bottom of the fixed support frame 22 and improve the stability from bottom to top.

[0064] In one embodiment;

[0065] Based on the above embodiment, for the specific implementation structure of the buffer 25, the embodiment is designed as follows:

[0066] Please refer to Figure 5 , the bottom end of the bottom frame 23 is provided with a pushing track 72, the main body of the buffer 25 is an elastic support 71, the elastic support 71 is slidingly installed on the pushing track 72, the inner end of the pushing track 72 is provided with a fixed sheet 74, the fixed sheet 74 is provided with a locking bolt 73, and the locking bolt 73 is used to fix the elastic support 71; The inner support 63 is also provided with a folding bolt 75, and the outer surface of the elastic support 71 is provided with a connecting bolt 76, which is connected with the folding bolt 75.

[0067] The main body of the buffer 25 is an elastic support 71, which is slidingly installed on the bottom frame 23. During operation, the elastic support 71 is pushed so that the top of the elastic support 71 abuts against the junction of the neck and the body of the tank. For the fixation of the elastic support 71, the embodiment is designed with two fixation methods. The upper and lower sides of the elastic support 71 are fixed by the fixed sheet 74, and then the folding bolt 75 is folded to abut the connecting bolt 76 with the folding bolt 75, thereby pressing and fixing the side of the elastic support 71.

[0068] Please refer to Figure 6 , the elastic support 71 includes a support body 84, an inner arch piece 82 and an outer arch piece 81 installed on the support body 84. The inner arch piece 82 is a hard and shaped structure, and the outer arch piece 81 is a soft and elastic material. The inner arch piece 82 is arranged in the inner region of the outer arch piece 81 and there is a elastic space 85 between the inner arch piece 82 and the outer arch piece 81. The elastic space 85 is filled with a plurality of elastic columns 83.

[0069] The supporting part of the elastic support 71 is the outer arch piece 81, which is designed in an arc shape and is made of soft and elastic material, and is fitted to the arc region at the bottom of the neck. The elastic column 83 is also made of elastic material, and the inner arch piece 82 is a supporting part inside the outer arch piece 81. The elastic column 83 abuts against the inner wall of the outer arch piece 81. The number of elastic columns 83 can be determined according to the required elastic support effect.

[0070] The neck of the pressure tank in the embodiment is the fulcrum of lifting, and the elastic support 71 is arranged at the junction of the neck and the body of the tank. This effectively reduces the shaking caused by gravity during lifting and transportation of the tank body, improves the stability of the tank body during lifting and transportation, and avoids the problem of deformation of the neck region of the pressure tank, thereby avoiding the negative impact of lifting and transportation on the pressure tank.

[0071] In one embodiment,

[0072] Based on the above embodiment, for the specific implementation of the pressure tank hoisting, please refer to Figure 7 , the embodiment is designed as follows:

[0073] The hoisting frame 15 is provided with a plurality of shelf layers 91, a plurality of pull rope rollers 92 are arranged between the shelf layers 91, the pull rope rollers 92 are arranged in a staggered manner, the hoisting rope 93 is wound on each pull rope roller 92, and the hoisting ropes 93 are gathered and connected at the hoisting device 13. The hoisting frame 15 is provided with a plurality of pull rope rollers 92, each pull rope roller 92 is a suspension point for hoisting, and the suspension points at different shelf layers 91 are arranged in a staggered manner, so that the force balance during hoisting operation is improved, and the stability of the pressure tank hoisting is ensured.

[0074] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be embraced in the present application.

[0075] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A pressure tank hoisting structure, comprising a tank mounting frame arranged on the outer periphery of a tank body of a pressure tank, characterized in that, an outer ring protrusion is arranged on the top of a tank neck of the pressure tank, the tank mounting frame comprises a clamp arranged on the outer surface of the tank body of the pressure tank and a hoisting frame arranged on the tank neck region of the pressure tank, the hoisting frame is provided with a positioning assembly matched with the outer ring protrusion, and a hoisting device is arranged outside the hoisting frame. the positioning assembly comprises: a positioning member sleeved between the outer ring protrusions; a fixed support frame mounted on the hoisting frame and arranged on the outer periphery of the top of the tank neck of the pressure tank, the positioning member being fixed to the fixed support frame; a supporting member sleeved on the tank neck region of the pressure tank and supported on the bottom edge of the outer ring protrusion, the supporting member being fixedly mounted with the fixed support frame; a bottom frame arranged on the bottom edge of the hoisting frame and fixedly connected with the fixed support frame; a buffer member insertedly mounted on the bottom frame and abutting against the bottom region of the tank neck of the pressure tank.

2. The pressure tank hoisting structure according to claim 1, characterized by a support frame column is arranged on the hoisting frame, the fixed support frame comprises a fixed frame body mounted on the support frame column, the positioning member comprises a sleeve clamp arranged between the outer ring protrusions, a closing block for closing the sleeve clamp, and a frame connecting block mounted on the outer periphery of the closing block, first locking holes being arranged between the frame connecting block and the fixed frame body, and first locking bolts being inserted in the first locking holes.

3. The pressure tank hoisting structure according to claim 2, characterized by the supporting member comprises a supporting clamp sleeved on the tank neck region of the pressure tank, a supporting end arranged on the top of the supporting clamp, and a fixed protrusion arranged on the outer edge of the supporting clamp, the bottom of the fixed frame body is further provided with a bottom fixed frame, second locking holes are arranged between the fixed protrusion and the bottom fixed frame, and second locking bolts are inserted in the second locking holes.

4. The pressure tank hoisting structure according to claim 3, characterized by the inner edge of the bottom frame is provided with a support frame, the front edge of the support frame is provided with an inner support, the supporting member is mounted on the inner support, the bottom of the bottom fixed frame is provided with a lower edge block, third locking holes are arranged between the lower edge block and the support frame, and third locking bolts are inserted in the third locking holes.

5. The pressure tank hoisting structure according to claim 4, characterized by the bottom end of the bottom frame is provided with a pushing track, the main body of the buffer member is an elastic supporting member, the elastic supporting member is slidably mounted on the pushing track, the inner end of the pushing track is provided with a fixed sheet, a locking bolt is arranged on the fixed sheet, and the locking bolt is used to fix the elastic supporting member; a folding bolt is further arranged on the inner support, the outer surface of the elastic supporting member is provided with a connecting bolt, and the connecting bolt is connected with the folding bolt.

6. The pressure tank hoisting structure according to claim 5, characterized by the elastic supporting member comprises a supporting main body, an inner built-in arch piece and an outer built-in arch piece mounted on the supporting main body, the inner built-in arch piece is a hard and fixed structure, the outer built-in arch piece is made of soft and elastic material, the inner built-in arch piece is arranged in the inner region of the outer built-in arch piece and there is an elastic space between the inner built-in arch piece and the outer built-in arch piece, and a plurality of elastic columns are filled in the elastic space.

7. The pressure tank hoisting structure according to any one of claims 1 to 6, characterized by a plurality of frame layers are arranged on the hoisting frame, a plurality of rope rollers are arranged between the frame layers, the rope rollers are arranged in a staggered manner, and hoisting ropes are wound on the rope rollers, the hoisting ropes are gathered and connected at the hoisting device.

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