CN217153822U

CN217153822U - Assembly trolley and outer container

Info

Publication number: CN217153822U
Application number: CN202220818837.7U
Authority: CN
Inventors: 何应华
Original assignee: Chongqing Endurance Industry Stock Co Ltd
Current assignee: Chongqing Endurance Industry Stock Co Ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-09
Anticipated expiration: 2032-04-08

Abstract

The utility model belongs to the technical field of the low temperature storage tank assembly, specifically disclose an assembly dolly and outer container, the assembly dolly includes main part atress beam slab, arc and four at least pulleys, and the arc setting is at the upper surface of main part atress beam slab, and the arc is used for placing the inner container, and four edges department in main part atress beam slab bottom are installed respectively to four pulleys. By adopting the technical scheme, the assembly trolley is utilized for assembly operation, the structure is simple, the required number of sealing seams is reduced, and the manufacturing time of the storage tank is shortened.

Description

Assembly trolley and outer container

Technical Field

The utility model belongs to the technical field of low temperature storage tank assembly, a assembly dolly and outer container are related to.

Background

With the continuous development of the low-temperature industrial chain in China, the market of low-temperature liquid is on a red fire day by day, the sales of liquid oxygen, liquid argon, liquid nitrogen, liquid carbon dioxide and LNG natural gas are greatly increased, and the production, storage and transportation of the low-temperature liquid cannot be separated from the heat-insulating storage tank, so that the heat-insulating storage tank is installed and used in large quantity, the application of the low-temperature liquid in civil and industrial fields is increasingly wide, and the design and construction technology of the low-temperature storage tank is mature day by day.

At present, vacuum type heat insulation pressure vessels are roughly divided into two types at home and abroad, one is a movable low-temperature storage tank, and the other is a fixed low-temperature storage tank. The thermal insulation form is roughly classified into three types, one is a vacuum powder type, one is a high vacuum multilayer thermal insulation, and the other is a vacuum composite thermal insulation. The vacuum powder heat insulation storage tank is simple to manufacture and short in period, and the vacuum powder heat insulation form is a fixed low-temperature storage tank (hereinafter referred to as a storage tank) which is widely applied at present.

After the inner container of the storage tank is manufactured and qualified through inspection, an inner container and an outer container are required to be sleeved, corresponding process pipelines are welded on the outer wall of the inner container, and reinforcing rings are welded on the inner wall of the outer container according to the design requirements of the process pipelines of the storage tank. The interlayer space of the inner container and the outer container is small, and in the sleeving process, a process pipeline is easy to collide with an angle steel reinforcing ring in the outer container, so that process pipeline components are damaged. The rationality of the sleeving process directly determines the efficiency and quality of the sleeving. After the sleeving and welding are finished, the pearly-lustre sand is filled between the inner container and the outer container and is vacuumized, so that the quality of the storage tank is effectively guaranteed.

In the traditional process, the time spent in the process of assembling all components of the outer container of the storage tank is long, the interlayer space of the inner container and the outer container is small, and a process pipeline is easy to collide with an angle steel reinforcing ring inside the outer container to damage process pipeline components in the sleeving process. The number of the sealing welding seams is large, and more time is needed for welding. In the prior art, as disclosed in patent 210266712U, a wheeled dolly for assembly of an inner barrel and an outer barrel of a low-temperature storage tank comprises a first wheeled dolly, a second wheeled dolly and a connecting piece, wherein the first wheeled dolly comprises a supporting table, a groove is formed in the top of the supporting table, a buffer table is arranged on the inner side of the groove, an electronic lifting rod is arranged at the bottom of the buffer table, and pressure-resistant springs are symmetrically arranged on two sides of the electronic lifting rod in the horizontal direction. The device has improved stability and has increased operating space, but its used device is more, and connection structure is comparatively complicated, is not convenient for install, use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assembly dolly and outer container, simple structure does benefit to the use.

In order to achieve the above object, the basic scheme of the utility model is: the utility model provides an assembly trolley, includes main part atress beam slab, arc and four at least pulleys, the arc sets up the upper surface at main part atress beam slab, and the arc is used for placing the inner container, four edges department in main part atress beam slab bottom are installed respectively to four pulleys.

The working principle and the beneficial effects of the basic scheme are as follows: when the inner container and the outer container are assembled, one end of the inner container is placed on the arc-shaped plate, the driving is utilized to provide thrust for the assembly trolley, the assembly trolley is pushed to be assembled, and the inner container and the outer container are easy to operate and beneficial to use. And the distance between the outer wall of the inner container component and the angle steel reinforcing ring in the outer container is kept unchanged in the assembling process, so that the damage of a process pipeline of the inner container component caused by collision is avoided.

And the beam plate transverse reinforcing rib and the beam plate longitudinal reinforcing rib are fixedly connected to the bottom of the main body stress beam plate and are used for supporting the main body stress beam plate.

The supporting effect of the beam plate transverse reinforcing ribs and the beam plate longitudinal reinforcing ribs on the main body stress beam plate is enhanced, and the stability of the main body stress beam plate is ensured.

Further, still include the arc strengthening rib, the arc passes through the arc strengthening rib and is connected with main part atress roof beam board, and the arc strengthening rib is used for supporting the arc.

The arc reinforcing ribs support the arc plate, and the connection stability of the arc plate and the main body stress beam plate is enhanced.

Further, the arc-shaped plate can be attached to the outer wall of the inner container.

The outer wall laminating of the inner container on the arc and placing is made the inner container put more stably.

Further, the main body stress beam plate is provided with a mounting hole, and the mounting hole is used for mounting the pulley.

The installation hole is favorable for installing the pulley, and the space occupied by other devices is reduced.

The utility model provides a be used for the outer container of assembly dolly, including upper portion subassembly, middle subassembly and lower part subassembly, install the guide rail on the middle subassembly, assembly dolly and guide rail sliding connection, lower part subassembly and inner container fixed connection, inner container can stretch into middle subassembly, and the end of stretching into of inner container places on the arc of assembly dolly.

The outer container has fewer assembling parts and is convenient to install. The distance between the outer wall of the inner container part and the angle steel reinforcing ring in the outer container is kept unchanged in the assembling process, so that the process pipeline of the inner container part is prevented from being damaged due to collision. Meanwhile, the number of the sealing seams is reduced from 3 to 2, so that the number of the required sealing seams is reduced, and the assembly efficiency is improved. The integral manual work of the inner container and the lower component in the assembling process of the inner container and the outer container by production workers is reduced, and the injury to personnel caused by misoperation or accidental falling of hoisted objects in the assembling process is prevented.

Drawings

Fig. 1 is a schematic structural view of the assembly trolley of the present invention.

Reference numerals in the drawings of the specification include: pulley 1, main part atress roof beam board 2, the horizontal strengthening rib 3 of roof beam board, the vertical strengthening rib 4 of roof beam board, arc 5, arc strengthening rib 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The utility model discloses an assembly trolley, as shown in figure 1, including main part atress roof beam board 2, arc 5 and four at least pulleys 1. The arc-shaped plate 5 is arranged on the upper surface of the main body stress beam plate 2, the arc-shaped plate 5 is used for placing an inner container, and the arc-shaped plate 5 can be attached to the outer wall of the inner container. Four pulleys 1 are installed respectively at four edges of 2 bottoms of main part atress beam slab, are equipped with the mounting hole on the main part atress beam slab 2, and the mounting hole is used for installing pulley 1, and the size of a dimension of mounting hole is confirmed according to pulley 1's size, and pulley 1 mounting means can adopt prior art like screwed connection etc..

The utility model discloses an among the preferred scheme, the assembly dolly still includes the horizontal strengthening rib of roof beam board 3 and the vertical strengthening rib 4 of roof beam board, and the horizontal strengthening rib of roof beam board 3 and the vertical strengthening rib 4 fixed connection of roof beam board (like welding, bonding etc.) are in main part atress roof beam board 2 bottoms for support main part atress roof beam board 2.

The utility model discloses an among the preferred scheme, the assembly dolly still includes arc strengthening rib 6, and arc 5 is connected with main part atress beam slab 2 through arc strengthening rib 6. One side of arc strengthening rib 6 is the plane, and the opposite side is the cambered surface, and plane one side and the welding of main part atress roof beam board 2 of arc strengthening rib 6, cambered surface one side and the welding of arc 5 increase the area of contact of arc strengthening rib 6 and arc 5 and main part atress roof beam board 2, make to connect more stably, and arc strengthening rib 6 is used for supporting arc 5.

The utility model also provides a be used for the outer container of assembly dolly, including upper portion subassembly, middle subassembly and lower part subassembly. Install the guide rail on the middle subassembly, the guide rail welding is on the middle subassembly, assembly dolly and guide rail sliding connection, and guide rail length establishes to Lmm, and guide rail length can carry out the adaptability adjustment according to the specification length of different storage tanks. The lower component is fixedly connected (e.g. welded) with the inner container, the inner container can extend into the middle component, and the extending end of the inner container is placed on the arc-shaped plate 5 of the assembly trolley.

When the assembly trolley is used, the assembly trolley is placed at the rightmost end of the guide rail, and the middle component is positioned on the roller carrier. The inner container assembly and the lower assembly are welded into a whole, and the whole is lifted to a certain height by a crane and slowly sleeved into the middle part. The sleeved end of the inner container component is placed on the assembly trolley, and the rear end of the inner container component can be lifted by a travelling crane. And controlling the travelling crane to move forwards, and pushing the assembly trolley to slide forwards until the assembly trolley slides to the leftmost end of the guide rail. And lifting the two ends of the inner container assembly to a certain height by adopting a crane, and then taking out the assembly trolley to firmly spot-weld the first sealing seam. The circumferential support is welded and fixed at the sealing seam for fixing the inner container component, and the integral component is a whole. The upper assembly is sleeved into the second sealing joint at the upper position, the second sealing joint is firmly spot-welded after the assembly is finished, and finally the 2-position sealing joint of the upper assembly is welded. The heat-insulating material expanded perlite can be filled into the interlayer space between the inner container and the outer container, and the installation stability is facilitated.

The utility model discloses container part outer wall keeps unchangeable with the inside angle steel reinforcing ring distance of outer container in the assembling process, has avoided the process line that leads to the container part to collide and has damaged. Meanwhile, the number of the assembling parts of the outer container of the storage tank is reduced from four parts to three parts, and the number of the sealing seams is reduced from 3 to 2, so that the manufacturing time of the storage tank is shortened, and the probability of damaging process pipelines is reduced. The scheme solves the problems of long assembling time, easy damage of process pipelines in the assembling process and large number of sealing welding lines, makes the assembling process more reasonable, improves the assembling efficiency and reduces the time investment in the manufacturing process. The quality of the storage tank is effectively guaranteed, and the damage of process pipelines in the assembling process is avoided. If leakage points are found in the process of detecting leakage of the inner container and the interlayer space after assembly, can opening treatment is carried out, the number of sealing seams of the storage can is reduced, and the welding time of the sealing seams is shortened.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The assembly trolley is characterized by comprising a main body stress beam plate, an arc-shaped plate and at least four pulleys, wherein the arc-shaped plate is arranged on the upper surface of the main body stress beam plate and used for placing an inner container, and the four pulleys are respectively arranged at four corners of the bottom of the main body stress beam plate.

2. The assembly trolley according to claim 1, further comprising a beam plate transverse reinforcing rib and a beam plate longitudinal reinforcing rib, wherein the beam plate transverse reinforcing rib and the beam plate longitudinal reinforcing rib are fixedly connected to the bottom of the main stressed beam plate and are used for supporting the main stressed beam plate.

3. The assembly trolley according to claim 1, further comprising an arc plate reinforcing rib, wherein the arc plate is connected with the main body stress beam plate through the arc plate reinforcing rib, and the arc plate reinforcing rib is used for supporting the arc plate.

4. The assembly trolley according to claim 1, wherein the arcuate plate is adapted to engage an outer wall of the inner container.

5. The assembly trolley as claimed in claim 1, wherein the main body load-bearing beam plate is provided with mounting holes for mounting the pulleys.

6. An outer container for the assembly trolley according to any one of claims 1 to 5, comprising an upper component, a middle component and a lower component, wherein the middle component is provided with a guide rail, the assembly trolley is connected with the guide rail in a sliding manner, the lower component is fixedly connected with the inner container, the inner container can extend into the middle component, and the extending end of the inner container is placed on the arc-shaped plate of the assembly trolley.