Anti-falling lifeline for construction of LNG (Liquefied Natural Gas) storage tank

Abstract

The utility model discloses an anti-falling lifeline for construction of an LNG (Liquefied Natural Gas) storage tank, which relates to the technical field of lifelines and comprises a cylinder unit, a supporting unit, a lifting unit and an anti-falling unit, the lifting unit comprises a lead screw movably arranged in the column unit and a lifting plate arranged on the outer surface of the lead screw in a sleeving mode and used for supporting and connecting the supporting unit, and the anti-falling unit comprises a spherical part arranged on one side of the top end of the supporting unit and a lifeline arranged in the spherical part in a penetrating mode and used for preventing falling. According to the anti-falling lifeline for construction of the LNG storage tank, the height of the lifeline can be adjusted according to the construction height of the LNG storage tank, the annular construction efficiency of the LNG storage tank is guaranteed, the annular lifeline is arranged, and an anti-falling structure is formed on the inner side or the outer side of the LNG storage tank, so that the construction safety of the LNG storage tank is improved. Safety protection of constructors during annular construction of the LNG storage tank is guaranteed, the protection range is wider, falling of the constructors is avoided, and life safety of the constructors is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of lifelines, in particular to a fall prevention lifeline for LNG storage tank construction. Background Art

[0002] LNG is liquefied natural gas. LNG storage tanks are vertical cylindrical tanks that contain liquefied natural gas LNG. During the construction of LNG storage tanks, due to the relatively high height of LNG storage tanks, the safety of construction workers needs to be guaranteed in high-rise building construction. Therefore, it is necessary to protect the construction workers and use anti-fall lifelines to prevent them from falling.

[0003] During the construction of existing LNG storage tanks, it is difficult to ensure the safety of construction workers during high-rise construction due to the relatively high height of the LNG storage tanks, which may easily lead to falling and cause significant loss of life and property. Therefore, it is necessary to provide an anti-fall lifeline for LNG storage tank construction. Utility Model Content

[0004] The main purpose of the utility model is to provide a fall prevention lifeline for LNG storage tank construction, which can effectively solve the problem in the background technology that during the existing LNG storage tank construction, due to the relatively high height of the LNG storage tank, it is difficult to ensure the safety of construction workers during high-rise construction, which is easy to cause falling and cause serious loss of life and property.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an anti-fall lifeline for LNG tank construction, comprising a column unit, and a support unit movably arranged at the top of the column unit, and also comprising a lifting unit arranged inside the column unit and an anti-fall unit arranged at one side of the top of the support unit;

[0006] The lifting unit includes a screw rod movably arranged inside the column unit, and a lifting plate sleeved on the outer surface of the screw rod for supporting and connecting the support unit;

[0007] The anti-falling unit comprises a spherical part arranged on one side of the top end of the supporting unit, and a lifeline passing through the inside of the spherical part for preventing falling.

[0008] Preferably, the column unit includes six base columns distributed in a ring array, and an inner slide groove provided on the inner wall surface relative to the base columns.

[0009] Preferably, the support unit comprises a support column movably arranged inside the base column, and a rod hole opened at the center of the bottom end of the support column.

[0010] Preferably, the lifting unit also includes a driving motor fixedly connected to one side of the top end of the base column, a rotating shaft fixedly connected to the driving end of the driving motor, a vertical bevel gear fixedly connected to one end of the rotating shaft, a transverse bevel gear sleeved on the outer surface of the bottom end of the screw rod, a threaded block threadedly connected to the outer surface of the screw rod, and a connecting rod fixedly connected to both sides of the threaded block.

[0011] Preferably, the anti-falling unit further comprises a fixing rod fixedly connected to one side of the top ends of the six supporting columns, a through hole provided on the outer surface of the spherical component, and a fixing component penetrating the center of the top of the spherical component.

[0012] Preferably, the vertical bevel gear is meshedly connected with the transverse bevel gear, one end of the two connecting rods is fixedly connected to the bottom of both ends of the lifting plate respectively, the two ends of the lifting plate are movably arranged inside the inner slide groove, and the bottom of the support column is fixedly connected to the top of the lifting plate.

[0013] Preferably, one end of the fixing rod is fixedly connected to one side of the spherical component, the inner diameter of the through hole is matched with the outer diameter of the lifeline, the lifeline is annular, and the lifeline is fixed inside the spherical component through a fixing component.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, a driving motor is arranged on the outer side of the bottom end of six base columns, and the synchronous frequency of the six driving motors is set. The driving motor is started to drive the rotating shaft to rotate. The rotation of the rotating shaft drives the screw rod to rotate inside the base column through the engagement of the vertical bevel gear and the horizontal bevel gear. The rotation of the screw rod drives the threaded block to move and rise on its outer surface. The lifting and lowering of the threaded block drives the lifting plate to slide and rise inside the inner slide groove of the base column through the connecting rod, thereby driving the support column to move up and down, and thus driving the lifeline to move up and down. This structure has a height adjustment function for the lifeline, which can be adjusted according to the construction height of the LNG storage tank, thereby ensuring the circular construction efficiency of the LNG storage tank and having good practicality.

[0016] 2. In the utility model, fixing rods are arranged on the inner sides of the top ends of the six support columns, and the spherical parts are fixedly connected to the ends of the six fixing rods. Through holes are opened through the surfaces of the spherical parts, so that the lifelines are successively passed through the through holes and passed between the six spherical parts, and the lifelines are successively fixed inside the spherical parts by the fixing parts, thereby forming a ring-shaped lifeline support connection. This structure forms an anti-fall structure by arranging a ring-shaped lifeline and arranging it on the inner or outer side of the LNG storage tank, thereby ensuring the safety of construction workers during the circular construction of the LNG storage tank, and the protection range is more complete, avoiding the fall of construction workers and thus ensuring the life safety of construction workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of a partial internal cross-section structure of the utility model in a top view;

[0019] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0020] Figure 4 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0021] Figure 5 For this utility model Figure 2 Enlarged structural diagram at point C in the middle.

[0022] In the figure:

[0023] 100, column unit; 101, base column; 102, inner slide;

[0024] 200, support unit; 201, support column; 202, rod hole;

[0025] 300, lifting unit; 301, driving motor; 302, rotating shaft; 303, vertical bevel gear; 304, screw rod; 305, transverse bevel gear; 306, threaded block; 307, connecting rod; 308, lifting plate;

[0026] 400, anti-fall unit; 401, fixing rod; 402, spherical part; 403, through hole; 404, lifeline; 405, fixing part. DETAILED DESCRIPTION

[0027] Example 1

[0028] Please refer to Figure 1 — Figure 5 As shown, the utility model is a fall prevention lifeline for LNG tank construction, comprising a column unit 100, and a support unit 200 movably arranged at the top of the column unit 100, and further comprising a lifting unit 300 arranged inside the column unit 100 and an anti-fall unit 400 arranged at one side of the top of the support unit 200;

[0029] The anti-falling unit 400 includes a spherical member 402 disposed on one side of the top end of the supporting unit 200 , and a lifeline 404 passing through the inside of the spherical member 402 for preventing falling.

[0030] like Figure 1 — Figure 4As shown, the column unit 100 includes six base columns 101 distributed in a ring array, and an inner slide groove 102 opened on the inner wall surface relative to the base column 101. The six ring-shaped base columns 101 can be set on the inner side or outer side of the LNG storage tank for support, so as to facilitate the circular construction operation of the LNG storage tank.

[0031] like Figure 1 , Figure 2 and Figure 4 As shown, the support unit 200 includes a support column 201 movably arranged inside the base column 101, and a rod hole 202 opened at the center of the bottom end of the support column 201. The support column 201 can be raised and lowered on the outer surface of the screw rod 304 without being affected by the direction of the set rod hole 202.

[0032] like Figure 1 , Figure 3 and Figure 4 As shown, the lifting unit 300 includes a screw rod 304 movably arranged inside the column unit 100, and a lifting plate 308 sleeved on the outer surface of the screw rod 304 for supporting and connecting the support unit 200. The lifting unit 300 also includes a driving motor 301 fixedly connected to one side of the top of the base column 101, a rotating shaft 302 fixedly connected to the driving end of the driving motor 301, a vertical bevel gear 303 fixedly connected to one end of the rotating shaft 302, a transverse bevel gear 305 sleeved on the outer surface of the bottom end of the screw rod 304, a threaded block 306 threadedly connected to the outer surface of the screw rod 304, and connecting rods 307 fixedly connected to both sides of the threaded block 306. The vertical bevel gear 303 is meshedly connected with the transverse bevel gear 305, and one end of the two connecting rods 307 is fixedly connected to the bottom of the two ends of the lifting plate 308 respectively. The two ends of the lifting plate 308 are movably arranged inside the inner slide groove 102, and the bottom of the support column 201 is fixedly connected to the top of the lifting plate 308.

[0033] Working principle: by arranging driving motors 301 on the outside of the bottom ends of the six base columns 101 and setting the synchronous frequency of the six driving motors 301, by starting the driving motors 301, the driving motors 301 drive the rotating shaft 302 to rotate, and the rotation of the rotating shaft 302 drives the screw rod 304 to rotate inside the base column 101 through the engagement of the vertical bevel gear 303 and the horizontal bevel gear 305, and the rotation of the screw rod 304 drives the threaded block 306 to move up and down on its outer surface, and the lifting and lowering of the threaded block 306 drives the lifting plate 308 to slide and lift inside the inner slide groove 102 of the base column 101 through the connecting rod 307, thereby driving the support column 201 to move up and down, and thus driving the lifeline 404 to move up and down. The structure has the function of adjusting the height of the lifeline 404, which can be adjusted according to the construction height of the LNG storage tank, thereby ensuring the circular construction efficiency of the LNG storage tank and having good practicality.

[0034] Example 2

[0035] Please refer to Figure 1 — Figure 5 As shown, the utility model is a fall prevention lifeline for LNG tank construction, comprising a column unit 100, and a support unit 200 movably arranged at the top of the column unit 100, and further comprising a lifting unit 300 arranged inside the column unit 100 and an anti-fall unit 400 arranged at one side of the top of the support unit 200;

[0036] The lifting unit 300 includes a screw rod 304 movably disposed inside the column unit 100 , and a lifting plate 308 sleeved on the outer surface of the screw rod 304 for supporting and connecting the support unit 200 .

[0037] like Figure 1 — Figure 4 As shown, the column unit 100 includes six base columns 101 distributed in a ring array, and an inner slide groove 102 opened on the inner wall surface relative to the base column 101. The six ring-shaped base columns 101 can be set on the inner side or outer side of the LNG storage tank for support, so as to facilitate the circular construction operation of the LNG storage tank.

[0038] like Figure 1 , Figure 2 and Figure 4 As shown, the support unit 200 includes a support column 201 movably arranged inside the base column 101, and a rod hole 202 opened at the center of the bottom end of the support column 201. The support column 201 can be raised and lowered on the outer surface of the screw rod 304 without being affected by the direction of the set rod hole 202.

[0039] like Figure 1 , Figure 2 and Figure 5 As shown, the anti-fall unit 400 includes a spherical part 402 arranged on one side of the top of the support unit 200, and a lifeline 404 for preventing falling that is passed through the inside of the spherical part 402. The anti-fall unit 400 also includes a fixing rod 401 fixedly connected to one side of the top of the six support columns 201, a through hole 403 opened on the outer surface of the spherical part 402, and a fixing part 405 passed through the top center of the spherical part 402. One end of the fixing rod 401 is fixedly connected to one side of the spherical part 402, the inner diameter of the through hole 403 is matched with the outer diameter of the lifeline 404, and the lifeline 404 is in a ring structure. The lifeline 404 is fixed to the inside of the spherical part 402 through the fixing part 405.

[0040] Working principle: fixing rods 401 are arranged on the inner side of the top ends of the six support columns 201, and the spherical parts 402 are fixedly connected to the ends of the six fixing rods 401, and through holes 403 are opened on the surface of the spherical parts 402, so that the lifeline 404 passes through the through holes 403 in turn and is arranged between the six spherical parts 402, and the lifeline 404 is fixed in turn inside the spherical parts 402 through the fixing parts 405, thereby forming a ring-shaped lifeline 404 support connection. This structure forms an anti-fall structure by arranging the ring-shaped lifeline 404 and arranging it on the inner or outer side of the LNG storage tank, thereby ensuring the safety protection of the construction workers during the circular construction of the LNG storage tank, and the protection range is more complete, avoiding the fall of the construction workers and thus ensuring the life safety of the construction workers.

Claims

1. A fall prevention lifeline for LNG tank construction, comprising a column unit (100), and a support unit (200) movably arranged at the top of the column unit (100), characterized in that: It also includes a lifting unit (300) arranged inside the column unit (100) and an anti-falling unit (400) arranged on one side of the top end of the support unit (200); The lifting unit (300) comprises a screw rod (304) movably arranged inside the column unit (100), and a lifting plate (308) sleeved on the outer surface of the screw rod (304) and used for supporting and connecting the support unit (200); The anti-falling unit (400) comprises a spherical part (402) arranged on one side of the top end of the supporting unit (200), and a lifeline (404) passing through the inside of the spherical part (402) for preventing falling.

2. The LNG tank construction anti-fall lifeline according to claim 1 is characterized by: The column unit (100) comprises six base columns (101) distributed in a ring-shaped array, and an inner slide groove (102) provided on the inner wall surface of the base column (101) relative to the base column.

3. The LNG tank construction anti-fall lifeline according to claim 2 is characterized by: The support unit (200) comprises a support column (201) movably arranged inside a base column (101), and a rod hole (202) opened at the center of the bottom end of the support column (201).

4. The anti-fall lifeline for LNG tank construction according to claim 3 is characterized by: The lifting unit (300) further comprises a driving motor (301) fixedly connected to one side of the top end of the base column (101), a rotating shaft (302) fixedly connected to the driving end of the driving motor (301), a vertical bevel gear (303) fixedly connected to one end of the rotating shaft (302), a transverse bevel gear (305) sleeved on the outer surface of the bottom end of the screw rod (304), a threaded block (306) threadedly connected to the outer surface of the screw rod (304), and connecting rods (307) fixedly connected to both sides of the threaded block (306).

5. The anti-fall lifeline for LNG tank construction according to claim 3 is characterized by: The anti-falling unit (400) further comprises a fixing rod (401) fixedly connected to one side of the top ends of the six support columns (201), a through hole (403) provided on the outer surface of the spherical member (402), and a fixing member (405) penetrating the top center of the spherical member (402).

6. The anti-fall lifeline for LNG tank construction according to claim 4 is characterized by: The vertical bevel gear (303) is meshedly connected with the transverse bevel gear (305), one end of the two connecting rods (307) is fixedly connected to the bottom of both ends of the lifting plate (308), the two ends of the lifting plate (308) are movably arranged inside the inner slide groove (102), and the bottom of the support column (201) is fixedly connected to the top of the lifting plate (308).

7. The anti-fall lifeline for LNG tank construction according to claim 5 is characterized by: One end of the fixing rod (401) is fixedly connected to one side of the spherical component (402); the inner diameter of the through hole (403) matches the outer diameter of the lifeline (404); the lifeline (404) is annular in structure; and the lifeline (404) is fixed inside the spherical component (402) via a fixing component (405).

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