Safety protection device for LNG (Liquefied Natural Gas) storage tank

Abstract

The utility model provides an LNG (liquefied natural gas) storage tank safety protection device, which relates to the technical field of LNG storage tanks and comprises a protection frame, the protection frame comprises two fixing frames, mounting blocks are fixed at the bottoms of the two fixing frames, a plurality of mounting holes are formed in the mounting blocks, and the device can be fixed on the ground through the mounting blocks and the mounting holes. And therefore, the fixing frames are prevented from deviating when being impacted, and supporting blocks are fixed to the bottoms of the two fixing frames. When the safety protection device for the LNG storage tank is collided, the anti-collision piece can buffer impact, the anti-collision piece transmits the impact force to the ground through the fixing plate, the supporting base, the shell, the first connecting rod, the second connecting rod, the fixing frame and the mounting block, the anti-collision piece does not make contact with the tank body, the impact force is effectively buffered and isolated through the anti-collision piece, and the safety protection device is safe and reliable. And the protection safety of the tank body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of safety protection devices, specifically a kind of LNG storage tank safety protection device, belong to LNG storage tank technical field. BACKGROUND

[0002] Liquefied natural gas, abbreviated as LNG, is a kind of efficient and clean petroleum chemical energy, and LNG storage tank is a container specially used for storing liquefied natural gas. With the rapid development of LNG industry in recent years, the application range of such storage tank is continuously expanding. In order to ensure the safety of LNG storage tank during use, a protection device needs to be provided. However, the existing safety protection structure generally lacks effective anti-impact design, and is prone to deformation or damage when subjected to external impact or strong extrusion, with low safety performance.

[0003] Chinese patent application with publication number CN213930388U discloses a LNG storage tank safety protection device, which is provided with a storage tank body, a protective shell, an anti-collision device, a guide groove, a guide block, a connecting rod and an anti-collision piece. The surface of the anti-collision piece is wrapped with high-strength rubber to protect the periphery of the protective shell. When subjected to external extrusion and impact, the impact force is first applied to the anti-collision piece, causing the connecting rod to move in opposite directions and push the guide block to slide in the guide groove and compress the return spring. The impact force is absorbed and dispersed by the extension and rebound of the return spring, reducing the impact force and avoiding damage to the protective shell and the internal storage tank body.

[0004] Although the above-mentioned patent technology solution sets the anti-collision piece wrapped with high-strength rubber and the return spring energy-absorbing structure, when facing high-speed heavy object impact (such as forklift or transport vehicle collision), the anti-collision piece will be subjected to a large impact and will be attached to the anti-collision device. At this time, further impact will directly impact the tank body, which has certain safety hazards. Therefore, a LNG storage tank safety protection device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a LNG storage tank safety protection device, which does not contact the tank body during the energy-absorbing deformation of the anti-collision piece, effectively buffers and isolates the impact, and improves the protection safety.

[0006] The utility model discloses a LNG storage tank safety protection device, which includes a protective frame, the protective frame includes two fixed frames, the bottom of each fixed frame is fixed with a mounting block, a plurality of mounting holes are formed in the mounting block, the device can be fixed on the ground through the mounting block and the mounting hole, thereby avoiding the deviation of the fixed frame when subjected to impact, and the bottom of each fixed frame is fixed with a supporting block.

[0007] The support block can provide a certain height for the first connecting rod and the second connecting rod, so that the shell is prevented from contacting the ground and causing the shell to be unable to slide on the first connecting rod and the second connecting rod.

[0008] The first connecting rod and the second connecting rod are arranged on the two fixing frames respectively, the fixing device further comprises fixing bolts, the first connecting rod and the second connecting rod are fixed on the fixing frames through the fixing bolts, and the second connecting rod is arranged in the first connecting rod in a sliding mode.

[0009] The second connecting rod is provided with uniformly distributed adjusting holes, the first connecting rod is provided with a threaded block, the threaded block is provided with a threaded hole, the threaded block is installed with a limiting bolt through the threaded hole, the limiting bolt extends into the first connecting rod, the second connecting rod can slide in the first connecting rod, and the second connecting rod can be fixed through the limiting bolt.

[0010] The first connecting rod and the second connecting rod are provided with top protection components, the top protection components comprise top plates and connecting plates, the connecting plates are fixed on the first connecting rod and the fixing frames, and the top plates can protect the top of the tank body, and the protection effect is further improved.

[0011] The anti-collision component is arranged on the first connecting rod and the second connecting rod, the anti-collision component comprises a shell and an anti-collision piece, the shell is arranged on the first connecting rod and the second connecting rod in a sliding mode, the anti-collision piece is arranged on the shell, the anti-collision piece is used for anti-collision, the anti-collision component further comprises a support seat, the shell is fixed to the support seat, the support seat is provided with a fixed plate, the fixed plate is hinged to the support seat, the anti-collision piece can be fixed through cooperation of the support seat and the fixed plate, the fixed plate and the support seat are both provided with fixed ears, the fixed plate and the fixed ears are connected through bolts, and the damaged anti-collision piece can be replaced by disassembling the bolts on the fixed ears.

[0012] The utility model provides a kind of LNG storage tank safety protection device, it has the beneficial effects as follows:

[0013] 1, the LNG storage tank safety protection device is impacted, the anti-collision piece can buffer impact and transmit impact force to ground through fixed plate, support seat, shell, first connecting rod, second connecting rod, fixing frame, mounting block, anti-collision piece is not contacted with tank body, impact force is effectively buffered and isolated by anti-collision piece, and the protection safety of tank body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of the utility model; Figure 1 It is a structure enlarged schematic view of the utility model in A place;

[0016] Figure 3 It is a structure schematic view of the utility model of fixed frame and second connecting rod;

[0017] Figure 4 It is a three-dimensional structure schematic view of the utility model; Figure 1 It is a structure enlarged schematic view of the utility model in B place.

[0018] Explanation of reference signs

[0019] 1, protective frame;101, fixed frame;102, first connecting rod;103, second connecting rod;104, adjusting hole;105, threaded block;106, limit bolt;107, fixed bolt;108, support block;109, mounting block;110, mounting hole;

[0020] 2, anti-collision component;201, shell;202, anti-collision piece;203, support seat;204, fixed plate;205, fixed lug;

[0021] 3, top protection component;301, top plate;302, connecting plate;

[0022] 4, tank. Specific implementation

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0024] Please refer to Figures 1-4 The utility model proposes the following implementation plan: a LNG storage tank safety protection device, including the protective frame 1, the protective frame 1 includes two fixed frames 101, and the bottom of two fixed frames 101 is fixed with mounting block 109.

[0025] A plurality of mounting holes 110 are formed in mounting block 109, and the device can be fixed on the ground through mounting block 109 and mounting hole 110, so as to avoid the deviation of fixed frame 101 when being impacted, and the bottom of two fixed frames 101 is fixed with support block 108.

[0026] The support block 108 can provide a certain height for the first connecting rod 102 and the second connecting rod 103, avoid the shell 201 from contacting the ground, and cause the shell 201 to be unable to slide on the first connecting rod 102 and the second connecting rod 103.

[0027] The two fixed frames 101 are respectively provided with the first connecting rod 102 and the second connecting rod 103, the protection frame 1 further includes a fixing bolt 107, the first connecting rod 102 and the second connecting rod 103 are both fixed on the fixed frame 101 through the fixing bolt 107, the second connecting rod 103 is slidingly arranged in the first connecting rod 102, and the first connecting rod 102 and the second connecting rod 103 can be disassembled by removing the fixing bolt 107, so that the first connecting rod 102 and the second connecting rod 103 are conveniently stored when not in use.

[0028] The second connecting rod 103 is provided with uniformly distributed adjusting holes 104, the first connecting rod 102 is fixed with a threaded block 105, the threaded block 105 is provided with a threaded hole, the threaded block 105 is installed with a limiting bolt 106 through the threaded hole, and the limiting bolt 106 extends into the interior of the first connecting rod 102.

[0029] The second connecting rod 103 can slide in the first connecting rod 102 to adapt to different lengths of the tank body 4, the limiting bolt 106 can be screwed in or out in the threaded block 105, and the second connecting rod 103 can be fixed by screwing the limiting bolt 106 into the adjusting hole 104.

[0030] The first connecting rod 102 and the second connecting rod 103 are provided with a top protection component 3, the top protection component 3 includes a top plate 301 and a connecting plate 302, the connecting plate 302 is fixed on the first connecting rod 102 and the fixed frame 101, and the top plate 301 can protect the top of the tank body 4, further improving the protection effect.

[0031] Please refer to Figure 1 and Figure 2 , further including an anti-collision component 2, the anti-collision component 2 is arranged on the first connecting rod 102 and the second connecting rod 103, the anti-collision component 2 includes a shell 201 and an anti-collision piece 202, the shell 201 is slidingly arranged on the first connecting rod 102 and the second connecting rod 103, and the anti-collision piece 202 is arranged on the shell 201.

[0032] The anti-collision piece 202 is used for anti-collision, is a rubber column, has good buffering effect, the anti-collision part 2 further includes a support seat 203, the shell 201 is fixed with the support seat 203, a fixed plate 204 is arranged on the support seat 203, the fixed plate 204 is hinged on the support seat 203, the support seat 203 and the fixed plate 204 can be fixed to the anti-collision piece 202, the fixed plate 204 and the support seat 203 are fixed with the fixed lug 205, the fixed plate 204 and the fixed lug 205 are connected by bolt, the damaged anti-collision piece 202 can be replaced after the bolt on the fixed lug 205 is disassembled.

[0033] Working principle: when the tank 4 is about to be impacted, the anti-collision piece 202 will first contact the impact object, the impact can be buffered through the anti-collision piece 202 and the impact force is transmitted to the ground through the fixed plate 204, the support seat 203, the shell 201, the first connecting rod 102, the second connecting rod 103, the fixed frame 101 and the mounting block 109, the anti-collision piece 202 is not in contact with the tank 4, and then the impact force is effectively buffered and isolated through the anti-collision piece 202, and the protection safety of the tank 4 is improved.

[0034] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A LNG tank safety shield device comprising a shield frame (1), characterized in that: The guard frame (1) comprises two fixed frames (101), and first connecting rods (102) and second connecting rods (103) are arranged on the two fixed frames (101) respectively, and the second connecting rods (103) are slidingly arranged in the first connecting rods (102); The anti-collision component (2) is arranged on the first connecting rods (102) and the second connecting rods (103); The anti-collision component (2) comprises a shell (201) and an anti-collision piece (202), the shell (201) is slidingly arranged on the first connecting rods (102) and the second connecting rods (103), and the anti-collision piece (202) is arranged on the shell (201) and used for anti-collision.

2. The LNG storage tank safety shield according to claim 1, wherein: Uniformly distributed adjusting holes (104) are arranged on the second connecting rods (103), threaded blocks (105) are fixed on the first connecting rods (102), the threaded blocks (105) are provided with threaded holes, and limit bolts (106) are arranged on the threaded blocks (105) and extend into the first connecting rods (102).

3. The LNG storage tank safety shield of claim 1, wherein: The guard frame (1) further comprises fixing bolts (107), and the first connecting rods (102) and the second connecting rods (103) are fixed on the fixed frames (101) through the fixing bolts (107).

4. The LNG storage tank safety shield of claim 1, wherein: The bottom of each of the two fixed frames (101) is fixed with a mounting block (109), and a plurality of mounting holes (110) are arranged on the mounting block (109).

5. The LNG storage tank safety shield of claim 1, wherein: The anti-collision component (2) further comprises a support seat (203), the shell (201) is fixed with the support seat (203), a fixed plate (204) is arranged on the support seat (203), fixed ears (205) are arranged on the fixed plate (204) and the support seat (203), and the fixed plate (204) and the fixed ears (205) are connected through bolts.

6. The LNG storage tank safety shield of claim 1, wherein: The first connecting rods (102) and the second connecting rods (103) are provided with top protection components (3), and the top protection components (3) comprise top plates (301) and connecting plates (302), and the connecting plates (302) are fixed on the first connecting rods (102) and the fixed frames (101).

7. The LNG storage tank safety shield of claim 1, wherein: The bottom of each of the two fixed frames (101) is fixed with a support block (108).

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