A telescopic support and sealing structure for a floating roof in a storage tank

Abstract

The utility model discloses a telescopic support and seal structure of inner floating disc of storage tank, including first floating shell, the lower end swing joint of first floating shell has the second floating shell, a plurality of symmetrical connecting strips are swing connected between first floating shell, second floating shell, the lower end fixed connection of first floating shell has the limiting shaft, the upper end fixed connection of second floating shell has the adjusting lever, the swing joint adjusting shaft sleeve of adjusting lever, adjusting lever is equipped on the sleeve, a plurality of symmetrical first slot guide rails are connected to the lower end fixed connection of first floating shell, a plurality of symmetrical second slot guide rails are connected to the upper end fixed connection of second floating shell, the limiting circular groove is seted up on the limiting shaft, and the limiting circular groove swing joint is in adjusting shaft sleeve. By above -mentioned structure, can adjust first, second floating shell interval as needed, adapts to different liquid level working condition, avoids floating disc inclination, promotes the reliability and applicability of support, reduces medium volatility, promotes the security and durability of storage tank.

Description

Technical Field

[0001] This utility model relates to the field of floating roof technology, and in particular to a telescopic support and sealing structure for a floating roof inside a storage tank. Background Technology

[0002] In industries such as petroleum and chemical engineering, floating roofs inside storage tanks are used to reduce media evaporation losses and environmental pollution, and their support and sealing performance is crucial. Existing internal floating roof support structures are mostly designed with a fixed height, making it difficult to adapt to different liquid level conditions. When the liquid level is too low, the floating roof is prone to bottoming out and damage.

[0003] Sealing structures often use seals made of a single material, which are prone to aging and deformation under changes in temperature and pressure, leading to sealing failure, media leakage, and safety hazards. Utility Model Content

[0004] The purpose of this utility model is to provide a telescopic support and sealing structure for a floating roof inside a storage tank, which can adjust the distance between the first and second floating shells as needed to adapt to different liquid level conditions, prevent the floating roof from tilting, improve the reliability and applicability of the support, reduce the evaporation of the medium, and improve the safety and durability of the storage tank.

[0005] To achieve the above objectives, a telescopic support and sealing structure for a floating roof inside a storage tank is provided, comprising a first floating shell, a second floating shell movably connected to the lower end of the first floating shell, a plurality of symmetrical connecting strips movably connected between the first floating shell and the second floating shell, a limiting shaft fixedly connected to the lower end of the first floating shell, an adjusting rod fixedly connected to the upper end of the second floating shell, and an adjusting bushing movably connected to the limiting shaft and the adjusting rod.

[0006] According to the aforementioned floating roof telescopic support and sealing structure for a storage tank, a first threaded bushing is fixedly connected to the lower end of the first floating shell, and a first sealing cover is movably connected to the first threaded bushing.

[0007] According to the aforementioned floating roof telescopic support and sealing structure for a storage tank, the upper end of the second floating shell is movably connected to a second threaded bushing, and a second sealing cover is movably connected to the second threaded bushing.

[0008] According to the aforementioned floating roof telescopic support and sealing structure for a storage tank, the first sealing cover and the second sealing cover are respectively fixedly connected with a first anti-slip strip, and the first sealing cover and the second sealing cover are respectively movably connected with a sealing ring.

[0009] According to the aforementioned floating roof telescopic support and sealing structure for a storage tank, the lower end of the first floating shell is fixedly connected to a plurality of symmetrical first groove guide rails, the upper end of the second floating shell is fixedly connected to a plurality of symmetrical second groove guide rails, and the sides of the connecting strip are fixedly connected to sliders, which are movably connected to the first groove guide rails and the second groove guide rails.

[0010] According to the aforementioned floating roof telescopic support and sealing structure for a storage tank, symmetrical first support foams are movably connected inside the first floating shell, and multiple first drying balls are movably connected between the first support foams.

[0011] According to the aforementioned floating roof telescopic support and sealing structure in a storage tank, symmetrical second support foams are movably connected inside the second floating shell, and multiple second drying balls are movably connected between the second support foams. The first support foam and the second support foam are respectively provided with injection holes.

[0012] According to the aforementioned floating roof telescopic support and sealing structure for a storage tank, a limiting groove is provided on the limiting shaft, the limiting groove is movably connected to the adjusting bushing, a threaded groove is provided on the adjusting rod, a threaded strip is fixedly connected inside the adjusting bushing, the threaded strip is movably connected to the threaded groove, and a plurality of second anti-slip strips are fixedly connected on the adjusting bushing.

[0013] Beneficial effects:

[0014] 1. By adjusting the threaded fit between the bushing and the limiting shaft and the adjusting rod, the distance between the first and second float shells can be adjusted as needed to adapt to different liquid level conditions; the connecting strip, in conjunction with the groove guide rail and the slider, ensures structural stability during extension and retraction, prevents the float from tilting, and improves the reliability and applicability of the support.

[0015] 2. The first and second sealing caps, together with the sealing rings, achieve a double seal, reducing the volatilization of the medium; the first and second anti-slip strips facilitate operation, support the foam and drying balls, providing both buoyancy and drying functions; the filling hole facilitates maintenance and filling, improving the safety and durability of the storage tank.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a perspective view of a telescopic support and sealing structure for an internal floating roof in a storage tank, as proposed in this utility model.

[0019] Figure 2This is an internal structural diagram of a floating roof telescopic support and sealing structure for a storage tank proposed in this utility model;

[0020] Figure 3 This is a cross-sectional view of a floating roof telescopic support and sealing structure for a storage tank proposed in this utility model;

[0021] Figure 4 The present utility model proposes Figure 3 Enlarged view of point A in the middle;

[0022] Figure 5 The present utility model proposes Figure 3 Enlarged view of point B in the middle.

[0023] Legend:

[0024] 1. First floating shell; 2. Second floating shell; 3. First sealing cover; 4. Second sealing cover; 5. First anti-slip strip; 6. Adjusting bushing; 7. First groove guide rail; 8. Second groove guide rail; 9. First support foam; 10. Second support foam; 11. First drying ball; 12. Second drying ball; 13. Injection hole; 14. First threaded bushing; 15. Second threaded bushing; 16. Second anti-slip strip; 17. Limiting shaft; 18. Limiting circular groove; 19. Sealing ring; 20. Threaded strip; 21. Threaded groove; 22. Adjusting rod; 23. Slider; 24. Connecting strip. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] Reference Figure 1-5 This utility model provides a telescopic support and sealing structure for a floating roof inside a storage tank, which includes a first floating shell 1, a second floating shell 2 movably connected to the lower end of the first floating shell 1, a plurality of symmetrical connecting strips 24 movably connected between the first floating shell 1 and the second floating shell 2, a limiting shaft 17 fixedly connected to the lower end of the first floating shell 1, and an adjusting rod 22 fixedly connected to the upper end of the second floating shell 2. Adjusting bushings 6 are movably connected to the limiting shaft 17 and the adjusting rod 22 to form a telescopic support structure.

[0027] Specifically: The lower end of the first floating shell 1 is fixedly connected to a first threaded bushing 14, and a first sealing cover 3 is fitted on the first threaded bushing 14 to achieve a sealed connection.

[0028] Specifically: The upper end of the second floating shell 2 is movably connected to a second threaded bushing 15, and a second sealing cover 4 is movably connected on the second threaded bushing 15 to achieve a sealed connection.

[0029] Specifically: the first sealing cover 3 and the second sealing cover 4 are fixedly connected with a first anti-slip strip 5, and the first sealing cover 3 and the second sealing cover 4 are movablely connected with a sealing ring 19.

[0030] Specifically: the lower end of the first floating shell 1 is fixedly connected to multiple symmetrical first groove guide rails 7, the upper end of the second floating shell 2 is fixedly connected to multiple symmetrical second groove guide rails 8, and the sides of the connecting strip 24 are fixedly connected to sliders 23, which are movably connected to the first groove guide rails 7 and the second groove guide rails 8, thus restricting the movement trajectory of the connecting strip 24.

[0031] Specifically: The first floating shell 1 is movably connected with symmetrical first support foams 9, and multiple first drying balls 11 are movably connected between the first support foams 9.

[0032] Specifically: Symmetrical second support foams 10 are movably connected inside the second floating shell 2, and multiple second drying balls 12 are movably connected between the second support foams 10. The first support foam 9 and the second support foam 10 are respectively provided with injection holes 13 for filling or replacing the drying material.

[0033] Specifically: a limiting groove 18 is provided on the limiting shaft 17, the limiting groove 18 is movably connected to the adjusting bushing 6, a threaded groove 21 is provided on the adjusting rod 22, a threaded strip 20 is fixedly connected inside the adjusting bushing 6, the threaded strip 20 is movably connected to the threaded groove 21, and multiple second anti-slip strips 16 are fixedly connected on the adjusting bushing 6 to facilitate manual adjustment operation, and the second floating shell 2 is driven to rise and fall through the threaded transmission.

[0034] Working principle: By rotating the second anti-slip strip 16 on the adjusting bushing 6, the threaded strip 20 inside the adjusting bushing 6 engages with the threaded groove 21 of the adjusting rod 22, driving the second floating shell 2 to rise and fall along the limiting shaft 17. Simultaneously, the slider 23 on the connecting strip 24 slides within the first groove guide rail 7 and the second groove guide rail 8, ensuring smooth extension and retraction of the first and second floating shells. For sealing, the first sealing cover 3 and the second sealing cover 4 are respectively connected to the first threaded bushing 14 and the second threaded bushing 15 via threads. When tightened, the sealing ring 19 is compressed and deformed, achieving a seal. The first anti-slip strip 5 facilitates operation and prevents slippage. The first support foam 9 and the first drying ball 11 inside the first floating shell 1, and the second support foam 10 and the second drying ball 12 inside the second floating shell 2, provide buoyancy and absorb moisture, maintaining the dryness inside the floating disc. The drying material can be periodically replaced through the injection hole 13 to ensure drying effect, ultimately achieving stable support, efficient sealing, and long-term protection for the floating disc.

[0035] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A telescopic support and sealing structure for a floating roof inside a storage tank, comprising a first floating shell (1), characterized in that: The lower end of the first floating shell (1) is movably connected to the second floating shell (2), and multiple symmetrical connecting strips (24) are movably connected between the first floating shell (1) and the second floating shell (2). The lower end of the first floating shell (1) is fixedly connected to a limiting shaft (17), and the upper end of the second floating shell (2) is fixedly connected to an adjusting rod (22). The limiting shaft (17) and the adjusting rod (22) are fitted with movably connected adjusting bushings (6).

2. The floating roof telescopic support and sealing structure for a storage tank according to claim 1, characterized in that, The lower end of the first floating shell (1) is fixedly connected to a first threaded bushing (14), and a first sealing cap (3) is fitted on the first threaded bushing (14).

3. The floating roof telescopic support and sealing structure for a storage tank according to claim 2, characterized in that, The upper end of the second floating shell (2) is movably connected to a second threaded bushing (15), and a second sealing cap (4) is movably connected to the second threaded bushing (15).

4. The floating roof telescopic support and sealing structure for a storage tank according to claim 3, characterized in that, The first sealing cover (3) and the second sealing cover (4) are fixedly connected with corresponding first anti-slip strips (5), and the first sealing cover (3) and the second sealing cover (4) are movably connected with corresponding sealing rings (19).

5. The floating roof telescopic support and sealing structure for a storage tank according to claim 1, characterized in that, The lower end of the first floating shell (1) is fixedly connected to a plurality of symmetrical first groove guide rails (7), the upper end of the second floating shell (2) is fixedly connected to a plurality of symmetrical second groove guide rails (8), and the side of the connecting strip (24) is fixedly connected to a slider (23), which is movably connected to the first groove guide rail (7) and the second groove guide rail (8).

6. The floating roof telescopic support and sealing structure for a storage tank according to claim 1, characterized in that, The first floating shell (1) is movably connected with symmetrical first support foams (9), and a plurality of first drying balls (11) are movably connected between the first support foams (9).

7. The floating roof telescopic support and sealing structure for a storage tank according to claim 6, characterized in that, The second floating shell (2) is movably connected with symmetrical second support foams (10), and multiple second drying balls (12) are movably connected between the second support foams (10). The first support foam (9) and the second support foam (10) are respectively provided with injection holes (13).

8. The floating roof telescopic support and sealing structure for a storage tank according to claim 1, characterized in that, The limiting shaft (17) has a limiting circular groove (18) which is movably connected to the adjusting bushing (6). The adjusting rod (22) has a threaded groove (21). A threaded strip (20) is fixedly connected inside the adjusting bushing (6) and is movably connected to the threaded groove (21). A plurality of second anti-slip strips (16) are fixedly connected to the adjusting bushing (6).

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