Integrated pry for LNG (Liquefied Natural Gas) storage tank

Abstract

The utility model discloses an integrated pry for an LNG (Liquefied Natural Gas) storage tank. The device comprises a bottom frame and a width adjusting structure, a length adjusting structure is arranged on the bottom frame; the width adjusting structure is arranged at the top of the length adjusting structure and comprises an adjusting frame welded to the top of the length adjusting structure, a second screw rod rotationally connected to the interior of the adjusting frame, a first fixing base in threaded connection to the second screw rod and a second fixing base in threaded connection to the second screw rod. And the bottoms of the first fixing seat and the second fixing seat are inserted into the adjusting frame. The width adjusting structure is installed on the length adjusting structure, when LNG storage tanks of different specifications are installed, the distance between the first fixing base and the second fixing base can be adjusted by rotating the second screw rod, the width of the supporting feet at the bottom of the LNG storage tank is adjusted, and the supporting feet are fixed to the first fixing base and the second fixing base to form four-point stable supporting. And the bearing capacity of the LNG storage tank is improved, so that the safety of transporting or using the LNG storage tank is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of storage tank integrated skids, in particular to an LNG storage tank integrated skid. Background Art

[0002] Liquefied natural gas, referred to as LNG, is mainly composed of methane and is recognized as the cleanest fossil energy on earth. Horizontal LNG storage tanks are a type of tank used to store liquefied natural gas (LNG). They are usually placed horizontally and take up less space on the ground than vertical tanks. This design helps to reduce the evaporation of liquefied natural gas and maintain temperature stability. Skid-mounted refers to an integration method in which functional components are integrated into an integral base, which can be installed and moved as a whole. Currently, LNG storage tanks are fixed using integrated skids.

[0003] A current LNG tank integrated skid, as described in the patent with publication number CN210739970U, comprises a skid body, a support frame is arranged on the upper surface of the skid body through an adjusting assembly, the adjusting assembly comprises an adjusting rod and a sleeve, the sleeve is fixed to the bottom surface of the skid body by welding, and the sleeve is sleeved on the side surface of the adjusting rod, balls are evenly embedded on the bottom surface of the support frame, a connecting frame is fixed to the upper surface of the support frame through a connecting assembly, and a storage tank is placed on the top of the connecting frame.

[0004] With respect to the above-mentioned related technologies, the applicant believes that an LNG tank integrated skid can use an adjusting rod to adjust the fixed length when in use to adapt to the length of tanks of different specifications, but the widths of the two supporting legs at the bottom of tanks of different specifications and lengths are also different. The connecting frame welded at the bottom of the tank is fixed in the middle position of the connecting frame and the support frame by connecting parts of bolts and nuts. However, the liquefied gas is heavier after being loaded, and the firmness of this connection method is poor. During transportation or fixed storage, the tank may become loose and collapse, and its safety is poor. Utility Model Content

[0005] The purpose of the utility model is to provide an LNG storage tank integrated skid to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An integrated skid for an LNG storage tank comprises: a base frame and a width adjustment structure; a length adjustment structure is arranged on the base frame; the width adjustment structure is arranged on the top of the length adjustment structure, the width adjustment structure comprises an adjustment frame welded to the top of the length adjustment structure, a second screw rod rotatably connected to the inside of the adjustment frame, a first fixing seat threadedly connected to the second screw rod, and a second fixing seat threadedly connected to the second screw rod, the bottoms of the first fixing seat and the second fixing seat are inserted into the inside of the adjustment frame, and the tops of the first fixing seat and the second fixing seat are provided with LNG storage tanks.

[0008] By adopting the above technical solution and installing the width-adjusting structure on the length-adjusting structure, when LNG storage tanks of different specifications are installed, the distance between the first fixing seat and the second fixing seat can be adjusted by rotating the second screw rod to adjust the width of the bottom support feet of the compound LNG storage tank, and the first fixing seat and the second fixing seat are fixed to form a four-point stable support, thereby improving the load-bearing capacity of the LNG storage tank and improving the safety of transporting or using the LNG storage tank.

[0009] Preferably, the length adjustment structure includes a slide groove opened inside the base frame, a connecting rod welded at both ends of the base frame, a first screw rotatably connected to the center position of the connecting rod, and a movable seat slidably connected inside the slide groove, and the center position of the movable seat is threadedly connected to the first screw.

[0010] By adopting the above technical solution, by opening slide grooves on both sides of the base frame, the first screw rod will be used to drive the connecting rod to move in the slide groove, and the two ends can be supported in the slide groove to support the upper width adjustment structure, thereby increasing the support range and improving the problem of poor stability of the single-point support with the support point located in the center of the existing structure, so that the base frame supporting the LNG storage tank can be evenly distributed above, thereby improving the supporting performance of the device for the LNG storage tank.

[0011] Preferably, one end of the movable seat is inserted into the slide groove in an L shape, the top of the movable seat is welded to the bottom of the adjustment frame, and the two ends of the movable seat are in contact with the inner walls of the respective slide grooves.

[0012] By adopting the above technical solution, an L-shaped movable seat is used in the slide groove, the outer side can receive the power movement brought by the first screw, and the top can support the movable width adjustment structure, so as to form a stable supporting movable structure with supports at both ends and power movement in the middle, so as to ensure that the length can be adjusted smoothly while improving the performance of supporting the LNG storage tank.

[0013] Preferably, connecting rods and width adjustment structures of the same structure are provided at both ends of the slide groove, and the thread directions of the two groups of connecting rods threadedly connected to the first screw are opposite.

[0014] By adopting the above technical solution, by arranging connecting rods and width-adjusting structures of the same structure on the positive and negative threads at both ends of the first screw, when the first screw rotates, the distances of relative or opposite movement of the two sets of connecting rods and the width-adjusting structures are the same, so that the positions where the connecting rods are supported on the base frame form symmetrical positions, which can evenly disperse the weight of the LNG storage tank on the base frame to improve the supporting performance of the LNG storage tank.

[0015] Preferably, the threads at both ends of the second screw are positive and negative threads, and the first fixing seat and the second fixing seat are respectively threadedly connected to the corresponding end threads.

[0016] By adopting the above technical solution, by using the positive and negative threads at both ends of the second screw to connect the first fixed seat and the second fixed seat, the relative positions of the first fixed seat and the second fixed seat can be always evenly distributed on the adjustment frame, thereby achieving the effect of evenly dispersing the weight of the LNG storage tank and improving the supporting performance of the LNG storage tank.

[0017] Preferably, four groups of supporting legs are welded to the bottom of the LNG storage tank, and the bottom of the supporting legs is a fixing plate with four fixing holes, and the tops of the first fixing seat and the second fixing seat are connected to the supporting legs by bolts and nuts.

[0018] By adopting the above technical solution, four sets of legs are fixed on the top of the first fixing seat and the second fixing seat by bolts and nuts. This can be used to replace the existing single-point fixing method at each end of the LNG storage tank. The support bearing capacity of the LNG storage tank can be improved by evenly fixing four points, reducing the problem of looseness during transportation or handling that affects the use of the LNG storage tank.

[0019] Preferably, a larger rotating disk is welded to one end of the first screw rod, and a hexagonal rotating head is welded to one end of the second screw rod.

[0020] By adopting the above technical solution, the force required to rotate the first screw can be reduced through a larger rotating disk, thereby achieving the effect of saving effort, improving the ability of rotating the first screw to drive the heavier width adjustment structure above to move, and using the hexagonal rotating head, the second screw can be rotated with one hand to adjust the support width. The rotation is convenient and fast during adjustment, and the hexagonal rotating head is small and does not take up space, which is convenient and practical.

[0021] The beneficial effects of the utility model are:

[0022] (1) By installing the width-adjusting structure on the length-adjusting structure, when LNG storage tanks of different specifications are installed, the distance between the first fixing seat and the second fixing seat can be adjusted by rotating the second screw rod to adjust the width of the bottom support foot of the LNG storage tank, and the first fixing seat and the second fixing seat are fixed to form a four-point stable support, thereby improving the load-bearing capacity of the LNG storage tank and improving the safety of transporting or using the LNG storage tank;

[0023] (2) By providing slide grooves on both sides of the base frame, the first screw rod is used to drive the connecting rod to move in the slide groove, and the two ends can be supported in the slide groove to support the width adjustment structure above, thereby increasing the support range and improving the problem of poor stability of the single-point support of the existing structure with the support point located at the center, so that the base frame supporting the LNG storage tank can be evenly distributed above, thereby improving the supporting performance of the device for the LNG storage tank;

[0024] (3) By using the first screw and the second screw with positive and negative threads to respectively connect the connecting rod, the first fixed seat and the second fixed seat, when adjusting the fixed position of the LNG storage tank, the connecting rod can always be evenly distributed on the base frame, and the first fixed seat and the second fixed seat can always be evenly distributed on the adjustment frame, so as to achieve the effect of evenly dispersing the weight of the LNG storage tank and improve the supporting performance of the LNG storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 This is a schematic diagram of the overall structure of the LNG storage tank integrated skid according to an embodiment of the utility model;

[0027] Figure 2 It is a schematic diagram of the chassis structure according to an embodiment of the utility model;

[0028] Figure 3 It is a schematic diagram of the length adjustment structure and the width adjustment structure according to the embodiment of the utility model;

[0029] Figure 4 yes Figure 3 Exploded diagram of the structure;

[0030] Figure 5 It is a top view of the width adjustment structure according to an embodiment of the utility model.

[0031] In the figure:

[0032] 1. Base frame; 2. Length adjustment structure; 201. Slide; 202. Connecting rod; 203. First screw rod; 204. Moving seat; 3. Width adjustment structure; 301. Adjusting frame; 302. Second screw rod; 303. First fixed seat; 304. Second fixed seat; 4. LNG storage tank. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] The following is combined with Figure 1-5 The utility model is described in further detail.

[0035] Embodiment 1

[0036] See also Figures 1 to 5 The utility model provides an embodiment: an integrated skid for an LNG storage tank, comprising: a base frame 1 and a width adjustment structure 3, wherein the base frame 1 is provided with a length adjustment structure 2, the width adjustment structure 3 is arranged on the top of the length adjustment structure 2, the width adjustment structure 3 comprises an adjustment frame 301 welded on the top of the length adjustment structure 2, a second screw 302 rotatably connected to the inside of the adjustment frame 301, a first fixing seat 303 threadedly connected to the second screw 302, and a second fixing seat 304 threadedly connected to the second screw 302, the bottoms of the first fixing seat 303 and the second fixing seat 304 are plugged into the adjustment frame Inside 301, an LNG storage tank 4 is arranged on the top of the first fixed seat 303 and the second fixed seat 304. By installing the width adjustment structure 3 on the length adjustment structure 2, when LNG storage tanks 4 of different specifications are installed, the distance between the first fixed seat 303 and the second fixed seat 304 can be adjusted by rotating the second screw 302 to compound the width of the bottom support feet of the LNG storage tank 4, and fix the first fixed seat 303 and the second fixed seat 304 to form a four-point stable support, thereby improving the load-bearing capacity of the LNG storage tank 4 and improving the safety of transporting or using the LNG storage tank 4.

[0037] Embodiment 2

[0038] See also Figures 1 to 5The length adjustment structure 2 includes a slide groove 201 provided inside the base frame 1, a connecting rod 202 welded at both ends of the base frame 1, a first screw rod 203 rotatably connected to the center position of the connecting rod 202, and a moving seat 204 slidably connected inside the slide groove 201. The center position of the moving seat 204 is threadedly connected to the first screw rod 203. By providing the slide grooves 201 on both sides of the base frame 1, the first screw rod 203 is used to drive the connecting rod 202 to move in the slide groove 201. Both ends can be supported in the slide groove 201 to support the upper width adjustment structure 3, which can increase the support range and improve the problem of poor stability of the single-point support of the existing structure with the supporting point located at the center position. The base frame 1 can support the LNG storage tank 4 evenly distributed above, thereby improving the supporting performance of the device for the LNG storage tank 4. One end of the moving seat 204 is inserted into the slide groove 201 in an "L" shape, and the top of the moving seat 204 is welded to the bottom of the adjustment frame 301, and the two ends of the moving seat 204 are connected to the inner side of the respective slide grooves 201. The walls fit each other, and an "L"-shaped moving seat 204 is adopted to be located in the slide groove 201. The outer side can receive the power movement brought by the first screw 203, and the top can support the moving width adjustment structure 3, so as to form a stable supporting moving structure with support at both ends and power movement in the middle, so as to ensure that the length adjustment can be smooth while also improving the performance of supporting the LNG storage tank 4. Connecting rods 202 and width adjustment structures 3 of the same structure are provided at both ends of the slide groove 201. The two groups of connecting rods 202 are threadedly connected to the first screw 203 in opposite directions. By adopting the connecting rods 202 and width adjustment structures 3 of the same structure on the positive and negative threads at both ends of the first screw 203, when the first screw 203 rotates, the distances of relative or opposite movement of the two groups of connecting rods 202 and the width adjustment structure 3 are the same, so that the position where the connecting rods 202 are supported on the base frame 1 forms a symmetrical position, which can evenly disperse the weight of the LNG storage tank 4 on the base frame 1 to improve the supporting performance of the LNG storage tank 4.

[0039] Embodiment 3

[0040] See also Figures 1 to 5The threads at both ends of the second screw rod 302 are positive and negative threads, and the first fixing seat 303 and the second fixing seat 304 are respectively threadedly connected to the corresponding end threads. By using the positive and negative threads at both ends of the second screw rod 302 to connect the first fixing seat 303 and the second fixing seat 304, the relative positions of the first fixing seat 303 and the second fixing seat 304 can be evenly distributed on the adjustment frame 301, so as to achieve the effect of evenly dispersing the weight of the LNG storage tank 4 and improve the supporting performance of the LNG storage tank 4. Four sets of legs are welded on the bottom of the LNG storage tank 4, and the bottom of the legs is a fixing plate with four fixing holes. The tops of the first fixing seat 303 and the second fixing seat 304 are connected to the legs by bolts and nuts. By using four sets of legs, they are fixed to the first fixing seat 303 and the second fixing seat 304 by bolts and nuts. The top of the seat 303 and the second fixed seat 304 can be used to replace the existing single-point fixing method at each end of the LNG storage tank 4. The support bearing capacity of the LNG storage tank 4 can be improved by evenly distributing four points, and the problem of looseness during transportation or handling that affects the use of the LNG storage tank 4 is reduced. A larger rotating disk is welded at one end of the first screw 203, and a hexagonal rotating head is welded at one end of the second screw 302. The larger rotating disk can reduce the force required to rotate the first screw 203, thereby achieving a labor-saving effect and improving the ability of rotating the first screw 203 to drive the heavier width adjustment structure 3 above to move. The hexagonal rotating head can be used to rotate the second screw 302 with one hand to adjust the support width. The rotation is convenient and fast during adjustment, and the hexagonal rotating head is small and does not take up space, which is convenient and practical.

[0041] Working principle: When in use, the length and width between the legs of the LNG storage tank 4 are adjusted. Rotating the first screw 203 can drive the connecting rod 202 and the width adjustment structure 3 to move on the base frame 1 to adjust the same length between the legs. Rotating the second screw 302 can drive the first fixed seat 303 and the second fixed seat 304 on the adjustment frame 301 to adjust the same leg width. The LNG storage tank 4 can be fixed on the first fixed seat 303 and the second fixed seat 304 with bolts and nuts.

[0042] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. An integrated skid for LNG storage tanks, characterized in that: include: A base frame (1) and a width adjustment structure (3), wherein a length adjustment structure (2) is arranged on the base frame (1); the width adjustment structure (3) is arranged on the top of the length adjustment structure (2), and the width adjustment structure (3) comprises an adjustment frame (301) welded to the top of the length adjustment structure (2), a second screw (302) rotatably connected to the inside of the adjustment frame (301), a first fixed seat (303) threadedly connected to the second screw (302), and a second fixed seat (304) threadedly connected to the second screw (302), the bottoms of the first fixed seat (303) and the second fixed seat (304) are inserted into the inside of the adjustment frame (301), and LNG storage tanks (4) are arranged on the tops of the first fixed seat (303) and the second fixed seat (304).

2. The LNG storage tank integrated skid according to claim 1, characterized in that: The length adjustment structure (2) comprises a slide groove (201) provided inside the base frame (1), a connecting rod (202) welded to both ends of the base frame (1), a first screw rod (203) rotatably connected to the center position of the connecting rod (202), and a movable seat (204) slidably connected inside the slide groove (201), wherein the center position of the movable seat (204) is threadedly connected to the first screw rod (203).

3. The LNG storage tank integrated skid according to claim 2, characterized in that: One end of the movable seat (204) is inserted into the slide groove (201) in an L shape, the top of the movable seat (204) is welded to the bottom of the adjustment frame (301), and the two ends of the movable seat (204) are in contact with the inner walls of the respective slide grooves (201).

4. The LNG storage tank integrated skid according to claim 2, characterized in that: Connecting rods (202) and width adjustment structures (3) of the same structure are provided at both ends of the slide groove (201); the two groups of connecting rods (202) are threadedly connected to the first screw rod (203) in opposite directions.

5. The LNG storage tank integrated skid according to claim 1, characterized in that: The threads at both ends of the second screw rod (302) are positive and negative threads, and the first fixing seat (303) and the second fixing seat (304) are respectively threadedly connected to the corresponding end threads.

6. The LNG storage tank integrated skid according to claim 1, characterized in that: Four groups of supporting legs are welded at the bottom of the LNG storage tank (4), and the bottom of the supporting legs is a fixing plate with four fixing holes, and the tops of the first fixing seat (303) and the second fixing seat (304) are connected to the supporting legs by bolts and nuts.

7. The LNG storage tank integrated skid according to claim 2, characterized in that: A larger rotating disk is welded to one end of the first screw rod (203), and a hexagonal rotating head is welded to one end of the second screw rod (302).

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