Platform guardrail connecting device of LNG low-temperature storage tank
By designing a connecting device including platform, fixed pipe, guardrail, slider, moving block, clamp rod and spring, the problem of difficult disassembly and adjustment of the existing LNG storage tank guardrail is solved, and the rapid disassembly and installation of the guardrail is realized, and the applicability and practicality of the device are improved.
Patent Information
- Application Number
- CN202420405560.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-04
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-04
AI Technical Summary
The existing LNG storage tank guardrails are difficult to disassemble and adjust, and have poor applicability and practicality.
A connection device including a platform, fixed pipe, guardrail, slider, moving block, clamp rod and spring is designed. Through the cooperation of the slider and spring, the guardrail can be easily disassembled and adjusted.
It realizes rapid disassembly and installation of guardrails, is simple and convenient to operate, and improves the applicability and practicality of the device.
Smart Images

Figure CN222559789U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of LNG storage tanks, in particular to a platform guardrail connecting device of an LNG low-temperature storage tank. Background Art
[0002] Liquefied natural gas (LNG) is mainly composed of methane, which can absorb heat and gasify into natural gas (NG). It is a recognized high-quality clean energy. At present, with the increasingly stringent environmental protection requirements, the proportion of natural gas in energy consumption has increased sharply, and the number of LNG receiving stations built accordingly has continued to increase.
[0003] At present, LNG storage tanks need to be fixed to the platform during transportation or installation, and then blocked by guardrails. The existing guardrails are generally welded to the platform, which is inconvenient to disassemble and replace, and has poor applicability. Utility Model Content
[0004] The utility model aims to provide a platform guardrail connecting device for an LNG cryogenic storage tank, which solves the problems raised in the background technology.
[0005] An embodiment of the present application provides a platform guardrail connection device for an LNG cryogenic storage tank, comprising a platform, wherein two installation grooves are symmetrically provided at the upper end of the platform, a fixed pipe is arranged in the installation groove, a plurality of first guardrails are evenly and equidistantly connected between the two fixed pipes, two slide grooves are symmetrically provided at the upper end of the platform, a slider is slidably connected in the slide groove, a moving block is connected to the upper end of the slider, a clamping rod is connected to one end of the moving block, a fixing rod is connected to the side wall on one side of the fixing pipe, a clamping slot is provided on the rod wall of the fixing rod, the clamping rod is arranged through the clamping slot, a spring is connected to the groove wall on one side of the slide groove, and the other end of the spring is connected to the slider.
[0006] By adopting the above technical solution, when disassembly is required, a horizontal force is applied to the moving block, and the moving block will apply a force to the slider under the force, and the slider will move in the slide groove under the force, and the movement of the slider will squeeze the spring, and the movement of the moving block will also drive the clamping rod to move. When the clamping rod is disengaged from the bayonet, a vertical upward force is applied to the fixed tube. When the fixed tube is disengaged from the installation groove, the fixed tube is disassembled. At this time, the spring will reset, and the spring will reset the moving block and the clamping rod. When installation is required, the above operation can be performed in reverse. The above structure facilitates the installation and disassembly of the guardrail, and the operation is simple and convenient, thereby improving the applicability of the device.
[0007] Optionally, an adjusting rod is slidably connected inside the fixed tube, an upper end of the adjusting rod passes through the tube opening of the fixed tube and extends upward, and a plurality of second guardrails are evenly and equidistantly connected between two adjusting rods.
[0008] By adopting the above technical solution, when the height needs to be adjusted, a vertical force is applied to the adjusting rod, and the adjusting rod will move in the vertical direction due to the force. The movement of the adjusting rod will drive the second guardrail to move. The height of the guardrail can be adjusted through the above structure to meet the needs under different conditions, thereby improving the practicability of the device.
[0009] Optionally, bolts are installed on the tube wall of the fixed tube, and the adjusting rod is connected to the fixed tube by the bolts.
[0010] By adopting the above technical solution, it is convenient to fix the adjusting rod in the fixing tube.
[0011] Optionally, a sliding rod is fixedly connected to the inner groove wall of the sliding groove, the sliding rod passes through the sliding block, and the sliding block is slidably connected to the sliding rod.
[0012] By adopting the above technical solution, the sliding block is prevented from being separated from the sliding groove.
[0013] Optionally, a rolling groove is opened at the lower end of the sliding block, a rolling ball is arranged in the rolling groove, the ball passes through the notch of the rolling groove, and the ball is rollingly connected to the bottom of the sliding groove.
[0014] By adopting the above technical solution, the friction between the slider and the slide groove is reduced.
[0015] Optionally, one end of the moving block is connected to a pull ring.
[0016] By adopting the above technical solution, it is convenient to apply force to the moving block.
[0017] Optionally, two groups of auxiliary rods are symmetrically connected to the upper end of the platform, and the two auxiliary rods are symmetrically arranged with respect to the corresponding fixed tubes.
[0018] By adopting the above technical solution, the fixed pipe is limited to prevent the fixed pipe from shaking.
[0019] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0020] The technical solution of the present application facilitates the installation and disassembly of the guardrail by setting up a platform, a fixed tube, a first guardrail, a slider, a moving block, a clamping rod, a fixed rod, a bayonet, a spring, an adjustment rod, and a second guardrail, etc. The operation is simple and convenient, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:
[0022] Figure 1 This is a schematic diagram of the overall structure of a platform guardrail connection device for an LNG cryogenic storage tank according to the utility model;
[0023] Figure 2 for Figure 1 A magnified view of part A;
[0024] Figure 3 for Figure 1 Enlarged view of part B.
[0025] In the figure: 1, platform; 2, fixed pipe; 3, first guardrail; 4, slider; 5, moving block; 6, clamping rod; 7, fixing rod; 8, bayonet; 9, spring; 10, adjusting rod; 11, second guardrail; 12, sliding rod; 13, ball bearing. DETAILED DESCRIPTION
[0026] See also Figure 1-3 The utility model provides a technical solution: a platform guardrail connection device for an LNG cryogenic storage tank, comprising a platform 1, two installation grooves are symmetrically provided on the upper end of the platform 1, a fixed pipe 2 is arranged in the installation groove, a plurality of first guardrails 3 are evenly and equidistantly connected between the two fixed pipes 2, two slide grooves are symmetrically provided on the upper end of the platform 1, a slider 4 is slidably connected in the slide groove, a moving block 5 is connected to the upper end of the slider 4, a clamping rod 6 is connected to one end of the moving block 5, a fixed rod 7 is connected to the side wall on one side of the fixed pipe 2, a bayonet 8 is provided on the rod wall of the fixed rod 7, the clamping rod 6 is arranged through the bayonet 8, a spring 9 is connected to the groove wall on one side of the slide groove, and the other end of the spring 9 is connected to the slider 4
[0027] In the above technical solution, when disassembly is required, a horizontal force is applied to the moving block 5. The moving block 5 will apply a force to the slider 4 under the force. The slider 4 will move in the slide groove under the force. The movement of the slider 4 will squeeze the spring 9. The movement of the moving block 5 will also drive the clamping rod 6 to move. When the clamping rod 6 is disengaged from the bayonet 8, a vertical upward force is applied to the fixed tube 2. When the fixed tube 2 is disengaged from the installation groove, the fixed tube 2 is disassembled. At this time, the spring 9 will reset, and the spring 9 will reset the moving block 5 and the clamping rod 6. When installation is required, the above operation can be performed in reverse. The upper structure is convenient for installing and disassembling the guardrail, and the operation is simple and convenient, thereby improving the applicability of the device.
[0028] In the technical solution of the utility model, an adjusting rod 10 is slidably connected in the fixed tube 2, the upper end of the adjusting rod 10 passes through the pipe mouth of the fixed tube 2 and extends upward, and a plurality of second guardrails 11 are evenly and equidistantly connected between the two adjusting rods 10. When the height needs to be adjusted, a vertical force is applied to the adjusting rod 10, and the adjusting rod 10 moves in the vertical direction under the force, and the movement of the adjusting rod 10 drives the second guardrail 11 to move. The height of the guardrail can be adjusted through the upper structure to meet the needs under different conditions, thereby improving the practicability of the device.
[0029] In the technical solution of the utility model, bolts are installed on the tube wall of the fixed tube 2, and the adjusting rod 10 is connected to the fixed tube 2 by bolts, so as to conveniently fix the adjusting rod 10 in the fixed tube 2.
[0030] In the technical solution of the utility model, a slide rod 12 is fixedly connected to the inner wall of the slide groove, the slide rod 12 passes through the slider 4, and the slider 4 is slidably connected to the slide rod 12 to prevent the slider 4 from escaping from the slide groove.
[0031] In the technical solution of the utility model, a rolling groove is opened at the lower end of the slider 4, and a rolling ball 13 is arranged in the rolling groove. The ball 13 is arranged through the notch of the rolling groove, and the ball 13 is rollingly connected to the bottom of the groove, reducing the friction between the slider 4 and the groove.
[0032] In the technical solution of the present utility model, one end of the moving block 5 is connected with a pull ring, which facilitates applying a force to the moving block 5 .
[0033] In the technical solution of the utility model, two groups of auxiliary rods are symmetrically connected to the upper end of the platform 1. The two auxiliary rods are symmetrically arranged with respect to the corresponding fixed pipes 2 to limit the fixed pipes 2 and prevent the fixed pipes 2 from shaking.
[0034] Working principle: when disassembly is required, a horizontal force is applied to the moving block 5. The moving block 5 will apply a force to the slider 4 under the force. The slider 4 will move in the slide groove under the force. The movement of the slider 4 will squeeze the spring 9. The movement of the moving block 5 will also drive the clamping rod 6 to move. When the clamping rod 6 is disengaged from the bayonet 8, a vertical upward force is applied to the fixed tube 2. When the fixed tube 2 is disengaged from the installation groove, the fixed tube 2 is disassembled. At this time, the spring 9 will be reset, and the spring 9 will reset the moving block 5 and the clamping rod 6. When installation is required, the above operation can be reversed.
Claims
1. A platform guardrail connection device for an LNG cryogenic storage tank, comprising a platform (1), characterized in that: The upper end of the platform (1) is symmetrically provided with two installation grooves, a fixed tube (2) is arranged in the installation groove, a plurality of first guardrails (3) are evenly and equidistantly connected between the two fixed tubes (2), the upper end of the platform (1) is symmetrically provided with two slide grooves, a slider (4) is slidably connected in the slide groove, a moving block (5) is connected to the upper end of the slider (4), one end of the moving block (5) is connected to a clamping rod (6), a side wall of one side of the fixed tube (2) is connected to a fixed rod (7), a clamping slot (8) is arranged on the rod wall of the fixed rod (7), the clamping rod (6) is arranged through the clamping slot (8), a spring (9) is connected to the groove wall on one side of the slide groove, and the other end of the spring (9) is connected to the slider (4).
2. The platform guardrail connection device of an LNG cryogenic storage tank according to claim 1 is characterized in that: An adjusting rod (10) is slidably connected inside the fixed tube (2), the upper end of the adjusting rod (10) passes through the tube opening of the fixed tube (2) and extends upward, and a plurality of second guardrails (11) are evenly and equidistantly connected between two adjusting rods (10).
3. The platform guardrail connection device of the LNG cryogenic storage tank according to claim 2 is characterized in that: Bolts are installed on the tube wall of the fixed tube (2), and the adjustment rod (10) is connected to the fixed tube (2) via the bolts.
4. The platform guardrail connection device of the LNG cryogenic storage tank according to claim 1 is characterized in that: A sliding rod (12) is fixedly connected to the inner groove wall of the sliding groove, the sliding rod (12) passes through the sliding block (4), and the sliding block (4) is slidably connected to the sliding rod (12).
5. The platform guardrail connection device of the LNG cryogenic storage tank according to claim 4 is characterized in that: The lower end of the sliding block (4) is provided with a rolling groove, in which a rolling ball (13) is arranged, and the ball (13) passes through the notch of the rolling groove, and the ball (13) is rollingly connected to the bottom of the sliding groove.
6. The platform guardrail connection device of the LNG cryogenic storage tank according to claim 1 is characterized in that: One end of the moving block (5) is connected with a pull ring.
7. The platform guardrail connection device of an LNG cryogenic storage tank according to claim 1, characterized in that: Two groups of auxiliary rods are symmetrically connected to the upper end of the platform (1), and the two auxiliary rods are symmetrically arranged with respect to the corresponding fixed pipes (2).