CN218973007U - Reinforcing rib structure for plane shell of vacuum container in vacuum precooler - Google Patents
Reinforcing rib structure for plane shell of vacuum container in vacuum precooler Download PDFInfo
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- CN218973007U CN218973007U CN202320057433.5U CN202320057433U CN218973007U CN 218973007 U CN218973007 U CN 218973007U CN 202320057433 U CN202320057433 U CN 202320057433U CN 218973007 U CN218973007 U CN 218973007U
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 159
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- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 239000003351 stiffener Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 description 8
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Abstract
The utility model discloses a reinforcing rib structure for a vacuum container plane shell in a vacuum pre-cooler, which comprises a container top side wall, a container bottom side wall, a container left side wall and a container right side wall, wherein a horizontal square column cavity of a container is provided with a front end opening and a rear end opening, the container adopts a single-door structure or a double-door structure, and the container side wall is arranged at the end opening of a non-installed vacuum chamber door; the container circumference lateral wall is provided with circumference formula strengthening rib, and single circumference formula strengthening rib includes: a left vertical reinforcing rib welded with the left side wall of the container; a right vertical reinforcing rib welded with the right side wall of the container; a top transverse reinforcing rib welded with the top side wall of the container, wherein a connecting mechanism is arranged between the two end parts of the top transverse reinforcing rib and the left vertical reinforcing rib and between the two end parts of the top transverse reinforcing rib and the right vertical reinforcing rib respectively; and a connecting mechanism is arranged between the two ends of the bottom transverse reinforcing rib welded with the bottom side wall of the container and the left vertical reinforcing rib and the right vertical reinforcing rib respectively. The utility model ensures that the product is safer and more reliable and is convenient to weld.
Description
Technical Field
The utility model relates to the field of fresh agricultural product preservation devices after picking, in particular to a reinforcing rib structure for a plane shell of a vacuum container in a vacuum precooler.
Background
The vacuum preservation equipment design production enterprises of the Shanghai like water preservation technology limited company, which are dedicated to vacuum precoolers and reduced pressure refrigeration preservation technical equipment, need to cooperatively design various links of processing equipment, particularly vacuum links needed by the vacuum equipment, and at the moment, the safety and the working stability of the equipment shell are required to be focused.
The vacuum vessel housing is adapted to withstand a pressure of about 10T/m at one atmosphere 2 The shape is generally spherical, ellipsoidal, or cylindrical + ellipsoidal heads at both ends. The vacuum chamber of the vacuum precooler for rapid cooling after vegetable harvesting is also a vacuum container, but the shell is generally a hexahedral rectangle, and the surface of the shell is a plane. The surface reinforcement structure is important because of the necessary strength and rigidity to withstand one atmosphere of pressure, and the economical and light weight. The reinforcing ribs of the plane shell of the vacuum container are arranged in a cross shape, one direction is arranged in parallel to form a Sichuan shape and a Mi shape, and the other direction is the cross shape and the Mi shape. The stress form of the reinforcing rib is bending caused by transversely uniformly distributing load. According to the basic theory of engineering mechanics, calculation, practical test and practical use effect, the arrangement of the reinforcing ribs of the plane shell of the vacuum container is in a Chuan type, which is an optimal scheme, and the welding stress is reduced on the premise of ensuring safety by combining with a proper welding process.
The reasonable design of the ribs is a technical problem of the design of the vacuum precooler. The utility model provides a reinforcing rib structure of a vacuum container plane shell, which is safe, reliable, convenient to weld and minimum in weight.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides a reinforcing rib structure for a vacuum container plane shell in a vacuum pre-cooler, which is safe, reliable and convenient to weld, and meets the requirements of light weight while meeting the requirements of structural strength and rigidity.
In order to solve the above technical problems, embodiments of the present utility model provide a stiffener structure for a vacuum container planar housing in a vacuum pre-cooler, which includes:
a container top side wall formed of a metallic material;
a container bottom side wall formed of a metallic material;
a left side wall (1) and a right side wall of the container, which are respectively arranged on the left side and the right side of the top side wall and the bottom side wall of the container;
the horizontal square column cavity formed by the container top side wall, the container bottom side wall, the container left side wall and the container right side wall enclosure is provided with a front end opening and a rear end opening, an openable vacuum chamber door is arranged at the front end opening and/or the rear end opening, and the container side wall formed by a metal material is arranged at the end opening where the vacuum chamber door is not arranged;
the container circumference lateral wall that container left side wall, container right side wall, container top lateral wall, container bottom lateral wall constitute is provided with circumference formula strengthening rib (2), circumference formula strengthening rib along the length direction of container circumference lateral wall with interval k equidistant the arranging, and single circumference formula strengthening rib includes:
a left vertical reinforcing rib (20) welded with the left side wall of the container;
a right vertical reinforcing rib (21) welded with the right side wall of the container;
a top transverse reinforcing rib (22) welded with the top side wall of the container, and a connecting mechanism and/or a guiding mechanism are arranged between the two end parts of the top transverse reinforcing rib and the left vertical reinforcing rib and between the two end parts of the top transverse reinforcing rib and the right vertical reinforcing rib respectively;
a bottom transverse reinforcing rib (23) welded with the bottom side wall of the container, and a connecting mechanism and/or a guiding mechanism are arranged between the two end parts of the bottom transverse reinforcing rib and the left vertical reinforcing rib and between the two end parts of the bottom transverse reinforcing rib and the right vertical reinforcing rib respectively;
gaps (3) are formed between adjacent circumferential reinforcing ribs on the circumferential side wall surface of the container.
Further, the top side wall of the container is welded with the left side wall of the container, the right side wall of the container and the rear side wall of the container;
the bottom side wall of the container is welded with the left side wall of the container, the right side wall of the container and the rear side wall of the container.
Further, the connecting mechanism comprises connecting positions of adjacent reinforcing ribs, 45-degree inclined cutting splicing surfaces positioned on the end faces of the reinforcing ribs are arranged, and the 45-degree inclined cutting splicing surfaces are connected through welding.
Further, the connecting mechanism comprises horizontal splicing surfaces arranged at the ends of the left vertical reinforcing rib and the right vertical reinforcing rib, the top transverse reinforcing rib arranged at the top of the left vertical reinforcing rib and the top transverse reinforcing rib arranged at the top of the right vertical reinforcing rib is welded to the horizontal splicing surfaces corresponding to the reinforcing ribs, and the bottom transverse reinforcing ribs arranged at the bottom of the left vertical reinforcing rib and the bottom of the right vertical reinforcing rib are welded to the horizontal splicing surfaces corresponding to the reinforcing ribs.
Further, in the adjacent 45-degree inclined cutting splicing surfaces, one 45-degree inclined cutting splicing surface is provided with a chute (4), and the other 45-degree inclined cutting splicing surface is provided with an embedded protrusion matched with the chute.
Further, the horizontal square column cavity is provided with a raised boss at the position where the reinforcing rib is arranged.
The utility model has the following beneficial effects:
1. the utility model ensures that the product is safer and more reliable and is convenient to weld.
2. Because the peripheral reinforcing ribs are distributed in a shape like a Chinese character kou, the peripheral reinforcing structure of the product is made to be more material-saving as much as possible, the requirement of light weight of the product is met, and the minimum weight is realized to the greatest extent.
Drawings
Fig. 1 is a schematic view of the structure of a reinforcing rib for a flat shell of a vacuum vessel in a vacuum pre-cooler in example 1.
Fig. 2 is a schematic view of the circumferential reinforcing rib structure in embodiment 1.
Fig. 3 is a schematic view of the circumferential reinforcing rib structure in embodiment 2.
Fig. 4 is a schematic view of the circumferential reinforcing rib structure in embodiment 3.
Fig. 5 is a schematic view of the embodiment 3 in which a chute is provided at the 45 ° chamfer splice face.
Detailed Description
The utility model is further described in connection with the following embodiments in order to make the technical means, the design features, the achievement of the purpose and the effect of the utility model easy to understand.
In a first embodiment of the present utility model, a reinforcement structure for a flat shell of a vacuum container in a vacuum pre-cooler is provided, referring to fig. 1, which includes a top container sidewall made of a metal material, a bottom container sidewall made of a metal material, and left and right container sidewalls 1 and 1 disposed on left and right sides of the top container sidewall and the bottom container sidewall, respectively, wherein the top container sidewall, the bottom container sidewall, the left container sidewall and the right container sidewall include, but are not limited to, stainless steel plates, and the thickness may be 3-6mm. It should be noted that, in this embodiment, the top side wall, the bottom side wall, the left side wall, and the right side wall of the container form a horizontal square column cavity, and the horizontal square column cavity has a front end opening (the right end of fig. 1 is defined as the front end of the horizontal square column cavity, and correspondingly, the left end of fig. 1 is defined as the rear end of the horizontal square column cavity) and a rear end opening. The front end opening is provided with an openable vacuum chamber door (not shown in the figure), or the rear end opening is provided with an openable vacuum chamber door (not shown in the figure), at this time, any position of the front end opening or the rear end opening is provided with a vacuum chamber door belonging to a single door structure, and the end opening without the vacuum chamber door is provided with a corresponding side wall during the single door structure. Under the condition that the front end opening and the rear end opening are both provided with vacuum chamber doors, the vacuum chamber door belongs to a double-door structure at the moment. The arrangement of the vacuum chamber door belongs to the prior art and is not described in detail herein.
In this embodiment, a single door structure is adopted, that is, a vacuum chamber door is provided at the front end opening, and a container rear side wall made of a metal material is provided at the rear end opening, where the container rear side wall is made of a metal material such as a stainless steel plate. The container top side wall is welded with the container left side wall, the container right side wall and the container rear side wall, and the container bottom side wall is welded with the container left side wall, the container right side wall and the container rear side wall in the same way, so that the structural strength and the rigidity of the product can be ensured in a welding mode.
With continued reference to fig. 1, the circumferential side wall of the container, which is formed by the left side wall, the right side wall, the top side wall and the bottom side wall of the container, is provided with a circumferential reinforcing rib 2, for example, in this embodiment, a horizontal square column container, so that the circumferential reinforcing rib has a square structure. The circumferential reinforcing ribs are of a four-section structure, are distributed at equal intervals along the length direction of the circumferential side wall of the container, the value of k is 40-60cm, the height of the container is H, and the length of the container is L.
The four-section structure of the single circumferential reinforcing ribs adopts steel sections, and the reinforcing ribs can be hollow square steel pipes or solid square steel pipes. Preferably hollow steel pipe, and the corner position of adjacent strengthening rib can set up L type guiding mechanism in fig. 2, sets up respectively in adjacent strengthening rib and puts into L type guiding mechanism's the groove of putting into, and this kind of distribution both can improve the installation accuracy of adjacent strengthening rib, can also avoid taking place structural displacement in the welding process.
Referring to fig. 2, the four-section structure of the single circumferential reinforcing rib needs to be closely attached and welded with the surface of the side wall of the container, so that the strength and rigidity of the side wall of the container against external force are improved to the greatest extent. The single circumferential reinforcing rib comprises a left vertical reinforcing rib 20 welded with the left side wall of the container, a right vertical reinforcing rib 21 welded with the right side wall of the container and a top transverse reinforcing rib 22 welded with the top side wall of the container, wherein notch parts are formed between two end parts of the top transverse reinforcing rib 22 and the left vertical reinforcing rib and the right vertical reinforcing rib respectively, and only edge parts are adjacent. And the same is true of the bottom transverse reinforcing ribs 23 welded with the side wall of the container bottom, and notch parts are formed between the two end parts of the bottom transverse reinforcing ribs 23 and the left vertical reinforcing rib and the right vertical reinforcing rib respectively, and only the edge parts are adjacent, so that no splice is formed at the position.
It should be noted that, gaps 3 with the height of b are formed on the surface of the circumferential side wall of the container between adjacent circumferential reinforcing ribs, the value of b is the same as the height of the reinforcing ribs, and considering that the container surface is provided with an outer container protection plate, the gap can be considered to be filled with flame-retardant foaming glue, so that the flatness requirement of the surface laying structure is ensured.
The second embodiment of the utility model provides a reinforcing rib structure for a vacuum container plane shell in a vacuum precooler, which comprises a container top side wall, a container bottom side wall, a container left side wall 1 and a container right side wall which are respectively arranged on the left side and the right side of the container top side wall and the container bottom side wall, wherein the container top side wall is welded with the container left side wall, the container right side wall and the container rear side wall, and the container bottom side wall is welded with the container left side wall, the container right side wall and the container rear side wall.
In this embodiment, the top side wall, the bottom side wall, the left side wall and the right side wall of the container form a horizontal square column cavity, and the horizontal square column cavity has a front end opening and a rear end opening, and openable vacuum chamber doors, i.e. a double door structure, are arranged at the front end opening and the rear end opening. The circumferential side wall of the container, which is formed by the left side wall, the right side wall, the top side wall and the bottom side wall of the container, is provided with circumferential reinforcing ribs 2 which are distributed at equal intervals along the length direction of the circumferential side wall of the container. In this embodiment, the connection mechanism of the single circumferential reinforcing rib is a 45 ° oblique cutting splicing type welding structure, specifically referring to fig. 3, the single circumferential reinforcing rib includes a left vertical reinforcing rib 20 welded with the left side wall of the container, a right vertical reinforcing rib 21 welded with the right side wall of the container, and a top transverse reinforcing rib 22 welded with the top side wall of the container, and a connection mechanism is arranged between two ends of the top transverse reinforcing rib 22 and the left vertical reinforcing rib and the right vertical reinforcing rib respectively, and similarly, a connection mechanism is arranged between two ends of the bottom transverse reinforcing rib 23 welded with the bottom side wall of the container and the left vertical reinforcing rib and the right vertical reinforcing rib respectively. With continued reference to fig. 3, the connection mechanism includes a horizontal splicing surface disposed at the ends of the left and right vertical reinforcing ribs, and a top transverse reinforcing rib disposed at the top of the left and right vertical reinforcing ribs is welded to the horizontal splicing surface of the corresponding reinforcing rib, and similarly, a bottom transverse reinforcing rib disposed at the bottom of the left and right vertical reinforcing ribs is welded to the horizontal splicing surface of the corresponding reinforcing rib.
In fig. 3, for example, the guiding mechanism of the adjacent reinforcing ribs may be an axial positioning column, taking the left vertical reinforcing rib 20 and the top transverse reinforcing rib 22 as examples, the left vertical reinforcing rib 20 is provided with an axial positioning column, and the top transverse reinforcing rib 22 is provided with a positioning slot, so that the mutual positioning assembly structure can improve the installation accuracy of the adjacent reinforcing ribs, improve the installation efficiency, and facilitate the subsequent welding action.
The third embodiment of the utility model provides a reinforcing rib structure for a vacuum container planar shell in a vacuum precooler, which comprises a container top side wall, a container bottom side wall made of metal materials, a container left side wall 1 and a container right side wall which are respectively arranged on the left side and the right side of the container top side wall and the container bottom side wall, wherein the container top side wall is welded with the container left side wall, the container right side wall and the container rear side wall, and the container bottom side wall is welded with the container left side wall, the container right side wall and the container rear side wall.
In this embodiment, the horizontal square column cavity formed by the container top side wall, the container bottom side wall, the container left side wall and the container right side wall has a front end opening and a rear end opening, and the rear end opening is provided with an openable vacuum chamber door, which is of a single door structure. The front end opening is provided with a container front side wall made of metal materials.
The circumferential reinforcing ribs 2 are arranged on the circumferential side wall of the container, which is formed by the left side wall of the container, the right side wall of the container, the top side wall of the container and the bottom side wall of the container, are distributed at equal intervals along the length direction of the circumferential side wall of the container, as shown in fig. 4, each circumferential reinforcing rib comprises a left vertical reinforcing rib 20 welded with the left side wall of the container and a right vertical reinforcing rib 21 welded with the right side wall of the container, a top transverse reinforcing rib 22 welded with the top side wall of the container is arranged, a connecting mechanism is arranged between two end parts of the top transverse reinforcing rib 22 and the left vertical reinforcing rib and the right vertical reinforcing rib respectively, and a connecting mechanism is arranged between two end parts of the bottom transverse reinforcing rib 23 and the left vertical reinforcing rib and the right vertical reinforcing rib respectively;
it is worth mentioning that the connecting mechanism comprises a connecting position of adjacent reinforcing ribs, 45-degree inclined cutting splicing surfaces positioned on the end faces of the reinforcing ribs are arranged, and the 45-degree inclined cutting splicing surfaces are connected through welding.
Of course, in the case of the circumferential reinforcing rib in fig. 4 adopting a hollow steel pipe, two air flow holes can be formed in the circumferential reinforcing rib at this time to form an air flow channel in the inner channel of the circumferential reinforcing rib, and the air flow channel can be cooled to cool high temperature during welding operation, and also can be used for internal precooling of products in the later use process, and the two air flow holes can be embedded with external connectors.
As a further improvement of the present embodiment, referring to fig. 5, among adjacent 45 ° oblique cut splice faces, one 45 ° oblique cut splice face P is provided with a chute 4, and the other 45 ° oblique cut splice face is provided with an embedded protrusion that matches the chute. The embedded type bulge can be embedded into the chute, so that the positioning and mounting effects can be achieved, and more importantly, the structure can improve the anastomosis strength of the square-shaped reinforcing ribs. The structure can be used as a guiding mechanism of an adjacent 45-degree beveling splicing surface.
As a further improvement to this embodiment, the horizontal square column cavity is provided with a raised boss with the height of 2-4mm at the position where the reinforcing rib is installed, for example, a raised boss is circumferentially arranged on the outer surface of the horizontal square column cavity, so that the reinforcing rib is carried on the raised boss, not only can the reinforcing rib assembly position be provided for constructors for indication, but also the integral structure of the horizontal square column cavity can be enhanced, the welding action of the reinforcing rib (the convenience and the safety of the operation are improved, the damage to the 3mm thick stainless steel plate of the horizontal square column cavity is avoided), and the raised boss can be provided with a cooling channel for cooling heat in the welding operation process.
In summary, the reinforcing bars of fig. 2 have the lowest bending resistance in the second embodiment, and the reinforcing bars of fig. 4 have the highest bending resistance in the third embodiment. No matter how much the length of the reinforcing rib is and what type of profile is selected, if the reinforcing rib is subjected to 1 atmosphere pressure, the length and the cross section size of the reinforcing rib are the same, and the welding modes are the same, then: maximum bending stress, the reinforcing bar in fig. 2 is 3 times that in fig. 4; the maximum deflection (bending deformation) of the rib in fig. 2 is 5 times that of the rib in fig. 4. That is, in terms of satisfying the strength, the 45 ° incline welding of the reinforcing bars in fig. 4 is the best, and the reinforcing bars in fig. 2 are not spliced the worst; in view of satisfying the rigidity, the 45 ° incline welding of the reinforcing bars in fig. 4 is the best, and the reinforcing bars in fig. 2 are not spliced the worst. In short, the reinforcing ribs are arranged in a Chinese character 'Chuan' shape on a plane, and are welded at an inclined plane of 45 degrees according to fig. 4, so that the reinforcing ribs have the best strength and rigidity, and compared with the Chinese character 'jing' shape, chuan'm' shape and Chinese character 'jing' shape and 'Mi' shape, the reinforcing ribs have the lightest weight, the welding deformation is the smallest, welding rods and labor cost are saved the most, and the construction period is short.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the utility model and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.
Claims (6)
1. A strengthening rib structure for vacuum container plane casing in vacuum precooling machine, it includes:
a container top side wall formed of a metallic material;
a container bottom side wall formed of a metallic material;
a left side wall (1) and a right side wall of the container, which are respectively arranged on the left side and the right side of the top side wall and the bottom side wall of the container;
the horizontal square column cavity formed by the container top side wall, the container bottom side wall, the container left side wall and the container right side wall enclosure is provided with a front end opening and a rear end opening, an openable vacuum chamber door is arranged at the front end opening and/or the rear end opening, and the container side wall formed by a metal material is arranged at the end opening where the vacuum chamber door is not arranged;
the utility model provides a container circumference lateral wall that its characterized in that, container left side wall, container right side wall, container top lateral wall, container bottom lateral wall constitute is provided with circumference formula strengthening rib (2), circumference formula strengthening rib is equidistant along the length direction of container circumference lateral wall to be arranged, and single circumference formula strengthening rib includes:
a left vertical reinforcing rib (20) welded with the left side wall of the container;
a right vertical reinforcing rib (21) welded with the right side wall of the container;
a top transverse reinforcing rib (22) welded with the top side wall of the container, and a connecting mechanism and/or a guiding mechanism are arranged between the two end parts of the top transverse reinforcing rib and the left vertical reinforcing rib and between the two end parts of the top transverse reinforcing rib and the right vertical reinforcing rib respectively;
a bottom transverse reinforcing rib (23) welded with the bottom side wall of the container, and a connecting mechanism and/or a guiding mechanism are arranged between the two end parts of the bottom transverse reinforcing rib and the left vertical reinforcing rib and between the two end parts of the bottom transverse reinforcing rib and the right vertical reinforcing rib respectively;
gaps (3) are formed between adjacent circumferential reinforcing ribs on the circumferential side wall surface of the container.
2. The reinforcement rib structure for a vacuum container planar housing in a vacuum pre-cooler according to claim 1, wherein the container top side wall is welded with the container left side wall, the container right side wall and the container rear side wall;
the bottom side wall of the container is welded with the left side wall of the container, the right side wall of the container and the rear side wall of the container.
3. The structure of claim 1, wherein the connecting mechanism comprises a 45-degree oblique joint surface positioned on the end surface of the reinforcing rib, and the 45-degree oblique joint surfaces are connected by welding.
4. The reinforcing rib structure for a vacuum container planar shell in a vacuum pre-cooler according to claim 1, wherein the connecting mechanism comprises horizontal splicing surfaces arranged at the ends of the left vertical reinforcing rib and the right vertical reinforcing rib, top transverse reinforcing ribs arranged at the tops of the left vertical reinforcing rib and the right vertical reinforcing rib are welded on the horizontal splicing surfaces of the corresponding reinforcing ribs, and bottom transverse reinforcing ribs arranged at the bottoms of the left vertical reinforcing rib and the right vertical reinforcing rib are welded on the horizontal splicing surfaces of the corresponding reinforcing ribs.
5. A stiffener construction for a vacuum vessel planar housing in a vacuum pre-cooler according to claim 3, wherein one of the adjacent 45 ° miter joints is provided with a chute (4) and the other 45 ° miter joint is provided with an embedded protrusion matching the chute.
6. The reinforcing rib structure for a vacuum vessel flat shell in a vacuum pre-cooler according to claim 1, wherein the horizontal square column cavity is provided with a raised boss at a position where the reinforcing rib is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320057433.5U CN218973007U (en) | 2023-01-09 | 2023-01-09 | Reinforcing rib structure for plane shell of vacuum container in vacuum precooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320057433.5U CN218973007U (en) | 2023-01-09 | 2023-01-09 | Reinforcing rib structure for plane shell of vacuum container in vacuum precooler |
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| Publication Number | Publication Date |
|---|---|
| CN218973007U true CN218973007U (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320057433.5U Active CN218973007U (en) | 2023-01-09 | 2023-01-09 | Reinforcing rib structure for plane shell of vacuum container in vacuum precooler |
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| Country | Link |
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| CN (1) | CN218973007U (en) |
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- 2023-01-09 CN CN202320057433.5U patent/CN218973007U/en active Active
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