Column foot design structure of air separation cold box structure

Abstract

The utility model relates to the technical field of air separation cold boxes, in particular to an air separation cold box structure column foot design structure which comprises a bottom plate, a fixing bolt located on the outer side is connected to the top end of the bottom plate in a penetrating mode, a fixing base is fixedly connected to the top end of the bottom plate, and a first limiting groove is formed in the top end of the fixing base. Through the arrangement of the bottom plate, the fixing bolt, the fixing base, the first limiting groove, the second limiting groove, the threaded rod, the limiting plate, the limiting block, the first fixing hole, the connecting block, the column foot and other components, firstly, a pit with the proper size is dug in the ground, and then the column foot is inserted into the pit; then the bottom plate and the fixing seat are placed in a soil pit, fixing bolts penetrate through the bottom plate to fix the bottom plate in the soil pit, then cement is poured into the surface of the bottom plate, the fixing seat can be fixed in advance, then the limiting block is aligned to the second limiting groove, and the limiting block is clamped into the first limiting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of air separation cold boxes, in particular to a structural column foot design structure of an air separation cold box. Background Technique

[0002] The cold box structure is a high-rise structure with a very large height-width ratio. The inside of the cold box is hollow without floors, and the whole cold box is completely sealed and enclosed with steel plates as the panels. The windward area is very large, and the structural wind load is completely supported by the trusses around the cold box. Therefore, the four corner columns of the cold box are subjected to very large forces, resulting in very large and long anchor bolts for the foundation, which makes it that when using the traditional column foot design method, the anchor bolts for the foundation often have large deviations during the pouring of the foundation because there are no positioning components, and the opening positions on the column foot bottom plate and the embedded anchor bolts for the foundation are completely misaligned. Then, the on-site personnel randomly ream the holes on the column foot bottom plate, resulting in a significant decrease in structural safety. In addition, due to the large height-width ratio of the cold box structure, it is very difficult to control the verticality of the structure during construction and installation.

[0003] The existing fixed seats are buried underground, which is not convenient for the installation and positioning of the column feet. If there are deviations or misalignments in the fixed hole positions, reaming is required, resulting in a decrease in the overall fixing effect and posing a great safety hazard; the column feet of the existing air separation cold boxes are only fixed by the bases directly below. Due to the excessive windward area of the cold box, the existing column foot structure has insufficient support for lateral sway and there is a risk of fixing looseness. Therefore, a structural column foot design structure of an air separation cold box is proposed for the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a structural column foot design structure of an air separation cold box to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A structural column foot design structure of an air separation cold box, including a bottom plate. A fixing bolt located on the outside penetrates through the top end of the bottom plate. A fixing seat is fixedly connected to the top end of the bottom plate. A first limiting groove is opened at the top end of the fixing seat. A second limiting groove located outside the first limiting groove is opened at the top end of the fixing seat. A threaded rod located inside the first limiting groove is fixedly connected to the top end of the bottom plate. A limiting plate is slidably connected to the inside of the first limiting groove. A limiting block located inside the second limiting groove is fixedly connected to the outside of the limiting plate. A first fixing hole is opened at the top end of the limiting plate. A connecting block is fixedly connected to the top end of the limiting plate. A column foot is fixedly connected to the top end of the connecting block.

[0007] Preferably, a support rod located outside the fixed seat is fixedly connected to the top end of the bottom plate. One end of the support rod away from the bottom plate is fixedly connected to a support block. A spring is fixedly connected to the inner side of the support block. One end of the spring away from the support block is fixedly connected to a fixing plate. A second fixing hole is formed in the outer side of the fixing plate. A damping rod located inside the spring is fixedly connected between the support block and the fixing plate.

[0008] Preferably, the damping rod and the spring are in a group, and there are several groups, which are evenly arranged in a matrix on the surface of the support block.

[0009] Preferably, a threaded rod is slidably connected inside the first fixing hole, and the first fixing hole and the threaded rod are in a group, and there are six groups in total.

[0010] Preferably, the support rod and the support block are in a group, and there are two groups in total, which are symmetrically arranged on the surface of the bottom plate.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. In the present utility model, through components such as the bottom plate, fixing bolts, fixed seat, first limiting groove, second limiting groove, threaded rod, limiting plate, limiting block, first fixing hole, connecting block and column foot, first dig a pit with a suitable size on the ground, then put the bottom plate and the fixed seat into the soil pit, and fix the bottom plate in the soil pit through the fixing bolts passing through the bottom plate. Then pour cement on the surface of the bottom plate to complete the pre - fixing of the fixed seat. After that, align the limiting block with the second limiting groove, snap the limiting plate into the first limiting groove, and the limiting block will also enter the second limiting groove accordingly. As the limiting plate completely enters the first limiting groove, the threaded rod will also enter the first fixing hole. Then connect the nut to the threaded rod to fix the limiting plate. Through the arranged limiting block and the second limiting groove, the position of the limiting plate can be quickly positioned, so that the threaded rod accurately enters the first fixing hole, avoiding the situation of non - engagement, thus solving the problem that the existing fixed seat buried underground is not convenient for the installation and positioning of the column foot, the fixed hole position is deviated or not aligned, and re - reaming is required, resulting in a decline in the overall fixing effect and a large potential safety hazard.

[0013] 2. In the present utility model, through components such as the bottom plate, support rod, support block, spring, fixing plate, second fixing hole and damping rod, after the column foot is installed, pass the bolt through the second fixing hole and connect it to the inside of the column foot to fix the column foot and the fixing plate. Through the fixing plate, spring and damping rod, the shaking generated by the column foot can be effectively reduced. Through the arranged support rod and support block, strong support can be provided on both sides of the column foot to resist the lateral wind of the cold box, thus solving the problem that the column foot of the existing air separation cold box is only fixed by the base directly below. Due to the large wind - receiving area of the cold box, the existing column foot structure has insufficient support for lateral shaking and there is a risk of fixing loosening. Brief Description of the Drawings

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a schematic top view structure diagram of the present utility model;

[0016] Figure 3 is a schematic exploded structure diagram of the present utility model;

[0017] Figure 4 is a schematic bottom view structure diagram of the present utility model;

[0018] Figure 5 is a schematic detailed structure diagram of the damping rod of the present utility model.

[0019] In the figure: 1, bottom plate; 2, fixing bolt; 3, fixing seat; 4, first limiting groove; 5, second limiting groove; 6, threaded rod; 7, limiting plate; 8, limiting block; 9, first fixing hole; 10, connecting block; 11, column foot; 12, support rod; 13, support block; 14, spring; 15, fixing plate; 16, second fixing hole; 17, damping rod. Detailed Implementation Manner

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] It should be noted that the terms used here are only for describing the specific implementation manners and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless otherwise clearly specified in the context, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0022] In addition, it should be noted that the use of terms such as "first" and "second" to limit the components is only for the convenience of differentiating the corresponding components. Without further declaration, the above terms have no special meanings and therefore cannot be understood as limiting the protection scope of the present invention.

[0023] Please refer to Figures 1-5 , the present utility model provides a technical solution:

[0024] A design structure for the column foot of an air separation cold box structure, including a bottom plate 1. A fixing bolt 2 located on the outside penetrates and connects to the top end of the bottom plate 1. A fixing seat 3 is fixedly connected to the top end of the bottom plate 1. A first limiting groove 4 is opened at the top end of the fixing seat 3. A second limiting groove 5 is opened at the top end of the fixing seat 3 and is located outside the first limiting groove 4. A threaded rod 6 located inside the first limiting groove 4 is fixedly connected to the top end of the bottom plate 1. A limiting plate 7 is slidably connected to the inside of the first limiting groove 4. A limiting block 8 located inside the second limiting groove 5 is fixedly connected to the outside of the limiting plate 7. A first fixing hole 9 is opened at the top end of the limiting plate 7. A connecting block 10 is fixedly connected to the top end of the limiting plate 7. A column foot 11 is fixedly connected to the top end of the connecting block 10.

[0025] A support rod 12 located outside the fixing seat 3 is fixedly connected to the top end of the bottom plate 1. A support block 13 is fixedly connected to the end of the support rod 12 away from the bottom plate 1. A spring 14 is fixedly connected to the inside of the support block 13. A fixing plate 15 is fixedly connected to the end of the spring 14 away from the support block 13. A second fixing hole 16 is opened on the outside of the fixing plate 15. A damping rod 17 located inside the spring 14 is fixedly connected between the support block 13 and the fixing plate 15. The damping rod 17 and the spring 14 form a group, and there are several groups, which are evenly arranged in a matrix on the surface of the support block 13. The threaded rod 6 is slidably connected to the inside of the first fixing hole 9, and the first fixing hole 9 and the threaded rod 6 form a group, and there are six groups in total. The support rod 12 and the support block 13 form a group, and there are two groups in total, which are symmetrically arranged on the surface of the bottom plate 1.

[0026] Workflow: When the design structure for the column foot of the air separation cold box structure is needed, first dig a pit with a suitable size on the ground, then put the bottom plate 1 and the fixing seat 3 into the pit. Pass the fixing bolt 2 through the bottom plate 1 to fix the bottom plate 1 in the pit, and then pour cement on the surface of the bottom plate 1 to complete the preliminary fixation of the fixing seat 3. Then align the limiting block 8 with the second limiting groove 5, and snap the limiting plate 7 into the first limiting groove 4. The limiting block 8 will also enter the second limiting groove 5 accordingly. As the limiting plate 7 completely enters the first limiting groove 4, the threaded rod 6 will also enter the first fixing hole 9. Then fix the limiting plate 7 by connecting a nut to the threaded rod 6. By setting the limiting block 8 and the second limiting groove 5, the position of the limiting plate 7 can be quickly positioned, so that the threaded rod 6 can accurately enter the first fixing hole 9, avoiding the situation of non - engagement. After fixing, continue to pour cement into the fixing seat 3 to strengthen the connection stability. Next, pass the bolt through the second fixing hole 16 and connect it into the inside of the column foot 11 to fix the column foot 11 and the fixing plate 15. The fixing plate 15, the spring 14 and the damping rod 17 can effectively reduce the shaking generated by the column foot 11. By setting the support rod 12 and the support block 13, strong support can be provided on both sides of the column foot 11 to resist the lateral wind of the cold box.

[0027] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. The standard parts used in this utility model can all be purchased from the market. The special-shaped parts can all be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here.

[0028] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A structural column base design structure for an air separation cold box, comprising a bottom plate (1), characterized in that: The top end of the bottom plate (1) is penetrated and connected with a fixing bolt (2) located on the outside. The top end of the bottom plate (1) is fixedly connected with a fixing seat (3). The top end of the fixing seat (3) is provided with a first limiting groove (4). The top end of the fixing seat (3) is provided with a second limiting groove (5) located outside the first limiting groove (4). The top end of the bottom plate (1) is fixedly connected with a threaded rod (6) located inside the first limiting groove (4). The inside of the first limiting groove (4) is slidably connected with a limiting plate (7). The outside of the limiting plate (7) is fixedly connected with a limiting block (8) located inside the second limiting groove (5). The top end of the limiting plate (7) is provided with a first fixing hole (9). The top end of the limiting plate (7) is fixedly connected with a connecting block (10). The top end of the connecting block (10) is fixedly connected with a column foot (11).

2. The structural column base design structure of an air separation cold box according to claim 1, characterized in that: The top end of the bottom plate (1) is fixedly connected with a support rod (12) located outside the fixing seat (3). One end of the support rod (12) away from the bottom plate (1) is fixedly connected with a support block (13). The inside of the support block (13) is fixedly connected with a spring (14). One end of the spring (14) away from the support block (13) is fixedly connected with a fixing plate (15). The outside of the fixing plate (15) is provided with a second fixing hole (16). A damping rod (17) located inside the spring (14) is fixedly connected between the support block (13) and the fixing plate (15).

3. The column base design structure of an air separation cold box according to claim 2, characterized in that: The damping rod (17) and the spring (14) are a group, and there are several groups, which are evenly arranged in a matrix on the surface of the support block (13).

4. The structural column base design structure of an air separation cold box according to claim 1, characterized in that: The threaded rod (6) is slidably connected inside the first fixing hole (9), and the first fixing hole (9) and the threaded rod (6) are a group, and there are six groups in total.

5. The structural column base design structure of an air separation cold box according to claim 2, characterized in that: The support rod (12) and the support block (13) are a group, and there are two groups in total, which are symmetrically arranged on the surface of the bottom plate (1).

Images