Installation of a new component lifting device on top of a storage tank
Patent Information
- Application Number
- CN202522289456.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-29
- Publication Date
- 2026-10-20
- Estimated Expiration
- 2035-10-29
AI Technical Summary
但是，传统的脚手架平台搭设具有投入施工成本大、施工周期长等弊端，而且储罐内部光照完全依赖灯光照明，脚手架搭设安全性与作业人员安全性低
[0016]本实用新型设计科学、结构合理、操作简单、使用方便，利用罐体原有法兰孔，实现了导向支撑管的轻松安装，导向支撑管配合电动葫芦使用，实现了吊笼在罐体内部的自由吊装，从而替代了传统脚手架的搭设，避免了脚手架搭设带来的各种弊端。当罐体内部零部件安装时，可使零部件放置于吊笼上，随后和作业人员一起通过电动葫芦上升到安装位置进行安装，从而有效的增加了作业的安全性。在升降过程中，通过导向支撑管有效减小了电动葫芦起重绳的摩擦力，有效的增加作业安全性，同时也避免了吊装时对设备造成的损伤。在升降过程中，作业点垂直方向无脚手架等阻碍物，从而增加了作业空间，使灯光照明效果更好，便于作业人员观测，从而进一步提高作业的安全性。
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Figure CN224869690U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of tank installation technology, and particularly relates to the installation of storage tank accessories, specifically a lifting device for installing additional components on the top of a storage tank. Background Technology
[0002] Large storage tanks typically refer to vertical cylindrical steel storage tanks with enormous capacity, assembled and welded on-site. They are critical infrastructure in sectors such as energy, petrochemicals, and national reserves, used to store large quantities of liquid raw materials, products, or strategic materials.
[0003] The characteristics of large storage tanks include: 1) Large scale: diameters range from tens to hundreds of meters, heights can reach tens of meters, and volumes range from thousands to hundreds of thousands of cubic meters; 2) Atmospheric or low pressure: most of them operate at near-normal pressure or lower internal pressure (positive or negative pressure); 3) On-site construction: due to their large size, they cannot be transported and must be manufactured and installed on-site at the place of use.
[0004] During the installation of large storage tanks, many components need to be installed inside the tank body. These tanks are characterized by high installation heights and a large number and complexity of components. The traditional installation method involves erecting scaffolding platforms inside the tank. However, traditional scaffolding platforms have drawbacks such as high construction costs and long construction periods. Furthermore, the interior lighting of the storage tank relies entirely on artificial lighting, resulting in low safety for both the scaffolding and the workers. Summary of the Invention
[0005] The purpose of this invention is to solve the problems existing in the prior art and to provide a lifting device for installing additional components on the top of a storage tank.
[0006] This utility model is achieved through the following technical solution: A lifting device for installing additional components on the top of a storage tank includes a guide support pipe, an electric hoist, and a cage.
[0007] The guide support pipe is inserted into the existing flange hole at the top of the storage tank, with one end of the guide support pipe inside the tank and the other end outside the tank.
[0008] The electric hoist is installed on the stair platform outside the tank, and the lifting rope on the electric hoist passes through the guide support pipe and hangs inside the tank.
[0009] The cage is placed inside the tank, and the top of the cage is connected and fixed to the end of the lifting rope on the electric hoist.
[0010] As a preferred technical solution of this utility model, the guide support pipe includes a straight pipe section and a 90° elbow. The 90° elbow is fixedly connected to one end of the straight pipe section. The straight pipe section is located in the original flange hole at the top of the storage tank. The 90° elbow is located inside the tank body, and the pipe opening of the 90° elbow is set downwards.
[0011] As a preferred technical solution of this utility model, a support pulley is installed inside the guide support tube, and the lifting rope on the electric hoist is supported in the groove of the support pulley.
[0012] As a preferred technical solution of this utility model, three sets of support pulleys are provided. The first set of support pulleys is located inside the straight pipe section near the external pipe opening. The second set of support pulleys is located inside the straight pipe section near the 90° bend. The third set of pulleys is located inside the 90° bend. The lifting rope on the electric hoist is supported in the grooves of the three sets of support pulleys.
[0013] As a preferred technical solution of this utility model, an operating groove is provided at the top of the guide support pipe, and the operating groove extends from the top of the straight pipe section to the upper middle part of the 90° bend.
[0014] As a preferred technical solution of this utility model, a roller is installed on the side of the cage near the inner wall of the tank, and the roller abuts against the inner wall of the tank.
[0015] As a preferred technical solution of this utility model, this utility model also includes a fall arrestor, which is installed on a stair platform outside the tank, and the safety rope on the fall arrestor passes through the guide support pipe and hangs down inside the tank.
[0016] This utility model features a scientific design, reasonable structure, simple operation, and convenient use. Utilizing the existing flange holes in the tank body, it allows for easy installation of the guide support pipe. The guide support pipe, used in conjunction with an electric hoist, enables free hoisting of the cage within the tank body, thus replacing traditional scaffolding and avoiding its various drawbacks. When installing internal tank components, the components can be placed on the cage, and then hoisted to the installation position by the electric hoist along with the workers, effectively increasing operational safety. During lifting, the guide support pipe effectively reduces the friction of the electric hoist's lifting rope, further enhancing operational safety and preventing damage to the equipment during hoisting. During lifting, there are no obstructions such as scaffolding in the vertical direction of the work point, increasing the working space, improving lighting effects, and facilitating worker observation, thereby further enhancing operational safety. Attached Figure Description
[0017] To more clearly illustrate the technical solutions of the specific embodiments of this utility model, the accompanying drawings used in the specific embodiments will be briefly introduced below. In the drawings, the components or parts are not necessarily drawn to actual scale.
[0018] Figure 1 This is a schematic diagram illustrating the installation and use of the device of this utility model.
[0019] Figure 2 This is the front view of the guide support tube in this utility model.
[0020] Figure 3 This is a top view of the guide support tube in this utility model.
[0021] Figure 4 for Figure 2 AA section view in the image.
[0022] Figure 5 This is a left view of the guide support tube in this utility model.
[0023] Figure 6 for Figure 3 BB section view in the middle.
[0024] In the diagram: 1. Storage tank; 2. Existing flange hole; 3. Staircase platform; 4. Guide support pipe; 5. Electric hoist; 6. Hoist cage; 7. Lifting rope; 8. Support pulley; 9. Operating trough; 10. Roller. Detailed Implementation
[0025] The embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present utility model and are not intended to limit its scope of protection. It should be noted that, unless otherwise stated, the technical or scientific terms used in this application should have the ordinary meaning understood by those skilled in the art to which this utility model pertains.
[0026] This embodiment takes a liquid chemical terminal berth project as an example, which has installed 27 large storage tanks, each 26 meters high. After the tanks are installed, a vertical foam generator is added. The foam release cover on the generator needs to be installed inside the tank. The installation of the foam release cover is characterized by its high installation height and small size. If traditional scaffolding platforms are used for installation, the construction cost is too high, the construction period is too long, and the lighting inside the tanks relies entirely on artificial lighting, resulting in low safety for scaffolding erection and workers.
[0027] In response to the above problems, and considering the structural characteristics of this type of storage tank, namely: the top tank wall of this type of storage tank 1 is provided with an existing flange hole 2 for installing a foam slow-release cover, and the exterior of the storage tank 1 is equipped with a stair platform 3.
[0028] Therefore, this embodiment provides a lifting device for installing additional components on the top of the storage tank, such as... Figures 1 to 6 As shown, it includes a guide support pipe 4, an electric hoist 5, a cage 6, and a fall arrestor; the guide support pipe 4 is inserted into the existing flange hole 2 at the top of the storage tank 1, with one end of the guide support pipe 4 located inside the tank and the other end located outside the tank; the electric hoist 5 is installed on the stair platform 3 outside the tank, and the lifting rope 7 on the electric hoist 5 passes through the guide support pipe 4 and hangs inside the tank; the cage 6 is installed inside the tank, and the top of the cage 6 is connected and fixed to the end of the lifting rope 7 on the electric hoist 5; the fall arrestor is installed on the stair platform 3 outside the tank, and the safety rope on the fall arrestor passes through the guide support pipe 4 and hangs inside the tank.
[0029] In specific implementation, the guide support pipe 4 includes a straight pipe section and a 90° elbow. The 90° elbow is fixedly connected to one end of the straight pipe section. The straight pipe section is located inside the existing flange hole 2 at the top of the storage tank 1. The 90° elbow is located inside the tank, with its opening facing downwards. A support pulley 8 is installed inside the guide support pipe 4, and the lifting rope 7 of the electric hoist 5 is supported in the groove of the support pulley 8. There are three sets of support pulleys 8. The first set of support pulleys 8 is located inside the straight pipe section near the external pipe opening. The second set of support pulleys 8 is located inside the straight pipe section near the 90° elbow. The third set of pulleys is located inside the 90° elbow, and the lifting rope 7 of the electric hoist 5 is supported in the grooves of the three sets of support pulleys 8. An operating groove 9 is opened at the top of the guide support pipe 4. The operating groove 9 extends from the top of the straight pipe section to the upper middle part of the 90° elbow. The operation groove 9 facilitates the easy and smooth installation of the lifting rope 7 of the electric hoist 5. During the lifting operation, the guide support pipe 4 can effectively reduce the friction of the lifting rope 7 of the electric hoist 5, effectively increase the safety of the operation, and at the same time avoid damage to the equipment itself caused by the installation operation.
[0030] In practice, a roller 10 is installed on the side of the cage 6 near the inner wall of the tank, and the roller 10 abuts against the inner wall of the tank. When the cage 6 is lifted up or lowered down, the roller 10 installed on it can abut against and roll on the inner wall of the tank, so as to achieve the purpose of the cage 6 sliding on the inner wall of the tank, further improving the stability and safety of the cage 6.
[0031] In practice, the safety rope on the fall arrestor is connected to the worker's body. The fall arrestor can effectively avoid the risk of falling and ensure the worker's personal safety.
[0032] The lifting device for installing the new component on the top of the storage tank provided in this embodiment allows the foam release cover to be placed on the cage 6 during installation. Then, together with the workers, it can be raised to the installation position by the electric hoist 5 for installation. During the installation process, there are no obstacles such as scaffolding in the vertical direction of the work point, which increases the working space, improves the lighting effect, and facilitates the observation of the workers, thereby further improving the safety of the operation.
[0033] The construction steps for installing the foam slow-release cover by installing the lifting device of the newly added component on the top of the storage tank are as follows: construction preparation → inspection of construction equipment → installation of fall arrestor → installation of electric hoist 5 → installation of lifting rope 7 of electric hoist 5 onto guide support pipe 4 → installation of guide support pipe 4 → installation of cage 6 → lifting test → installation of foam slow-release cover.
[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.
Claims
1. A lifting device for installing additional components on the top of a storage tank, characterized in that: Includes guide support pipes, electric hoists, and hoist cages; The guide support pipe is inserted into the existing flange hole at the top of the storage tank, with one end of the guide support pipe inside the tank and the other end outside the tank. The electric hoist is installed on the stair platform outside the tank, and the lifting rope on the electric hoist passes through the guide support pipe and hangs inside the tank. The cage is placed inside the tank, and the top of the cage is connected and fixed to the end of the lifting rope on the electric hoist.
2. The lifting device for installing additional components on the top of the storage tank according to claim 1, characterized in that: The guide support pipe includes a straight pipe section and a 90° elbow. The 90° elbow is fixedly connected to one end of the straight pipe section. The straight pipe section is located inside the existing flange hole at the top of the storage tank. The 90° elbow is located inside the tank body, and the opening of the 90° elbow is set downwards.
3. The lifting device for installing additional components on the top of the storage tank according to claim 2, characterized in that: A support pulley is installed inside the guide support tube, and the lifting rope on the electric hoist is supported in the groove of the support pulley.
4. The lifting device for installing additional components on the top of the storage tank according to claim 3, characterized in that: There are three sets of support pulleys. The first set of support pulleys is located inside the straight pipe section near the external pipe opening. The second set of support pulleys is located inside the straight pipe section near the 90° bend. The third set of pulleys is located inside the 90° bend. The lifting rope on the electric hoist is supported in the grooves of the three sets of support pulleys.
5. The lifting device for installing additional components on the top of the storage tank according to any one of claims 2-4, characterized in that: An operating groove is provided at the top of the guide support pipe, which extends from the top of the straight pipe section to the upper middle part of the 90° bend.
6. The lifting device for installing additional components on the top of the storage tank according to claim 5, characterized in that: Rollers are installed on the side of the cage near the inner wall of the tank, and the rollers abut against the inner wall of the tank.
7. The lifting device for installing additional components on the top of the storage tank according to claim 1 or 6, characterized in that: It also includes a fall arrestor, which is installed on a stair platform outside the tank. The safety rope on the fall arrestor passes through a guide support pipe and hangs inside the tank.