CNG cylinder frame structure suitable for straight-through beam

Abstract

The utility model provides a compressed natural gas (CNG) cylinder frame structure suitable for a straight-through beam, which is characterized in that a lower supporting plate is arranged along the width, main upright posts are upwards arranged at two ends of the lower supporting plate, side upright posts are arranged on the side edges of the main upright posts, and the main upright posts and the side upright posts form the frame structure through a pulling plate; a plurality of layers of middle supporting plates corresponding to the lower supporting plates are arranged on the main stand column, a hoop is arranged on the uppermost layer, CNG cylinders are assembled among the lower supporting plates, the middle supporting plates and the hoop and finally fixed through bolts, and the main stand column directly penetrates through the bottoms of the lower supporting plates and is connected through the bolts. According to the utility model, the main upright posts are directly communicated with the bottom of the lower supporting plate and are connected through bolts, so that the weight can be reduced by about 50 kilograms by removing the secondary beams; the column production efficiency is improved by 50%; the assembly process is simple, and the efficiency can be improved by 100%; the material cost of a single set of assembly is reduced by 240 yuan, the labor cost is reduced by 160 yuan, and the total cost is reduced by 400 yuan; the cost can be reduced by 800,000 yuan according to production of 2000 sets per year, and the competitiveness is improved; and the method can be used for various gas cylinder group design schemes of straight-through beam rear structures.

Description

Technical Field

[0001] The utility model relates to the technical field of gas storage cylinders, and more specifically, to a CNG gas cylinder frame structure applicable to a straight-through beam. Background Art

[0002] During the inflation process of type-IV cylinders (CNG 20 MPA) and hydrogen cylinders (35 MPA), the diameter of the gas cylinders will increase with the increase of air pressure. The expansion coefficient of the gas cylinder diameter is about 5‰. During its use, a gas cylinder frame structure is required to fix it, not only to ensure its safety, but also to ensure its reliable use, while being lightweight and easy to install.

[0003] Chinese Patent Publication No.: CN211315784U discloses a lightweight gas cylinder frame. The structure form of this gas cylinder frame is simple. The bottom beam is removed, which is convenient for loading and unloading, saves the use cost, and can reduce the weight. When using composite materials to prepare this product, the weight can be greatly reduced, and the anti-fatigue and corrosion-resistant properties of the composite materials are much better than those of metals, increasing the service life of the frame.

[0004] Authorized Publication No. CN 206530874 U discloses a welded vacuum-insulated gas cylinder frame structure. By setting lifting hooks on the upper frame and welding them in the diagonal axisymmetric direction, it is not only convenient for hoisting, but also can act as a limiting structure when in fixed use.

[0005] In the technical solutions disclosed in the above patent documents, the frame structure still needs to be fixed by the gas cylinder frame structure during use, not only to ensure its safety, but also to ensure its reliable use, while being lightweight and easy to install.

[0006] The connection method of the main body of the existing product is the connection method of the secondary beam and the lower support plate. The columns are fastened to the secondary beam and the lower support plate with bolts. There are mainly the following disadvantages: 1. There are many structural parts and the production process is complex; 2. The weight increases; 3. The assembly process is relatively complex and the production efficiency is low. Summary of the Utility Model

[0007] Aiming at the defects existing in the prior art, the utility model provides a CNG gas cylinder frame structure applicable to a straight-through beam, which realizes that during use, the gas cylinder frame structure is required to fix it, not only to ensure its safety, but also to ensure its reliable use, while being lightweight and easy to install, and also to ensure universality.

[0008] To this end, the technical solution of the present utility model is a CNG cylinder frame structure applicable to a straight-through beam, including a lower support plate, characterized in that: the lower support plate is arranged along the width, main columns are provided upward at both ends of the lower support plate, side columns are provided on the sides of the main columns, and the main columns and the side columns form a frame structure through a tension plate; and multiple middle support plates are arranged on the main columns corresponding to the lower support plate, and there is also a hoop on the uppermost layer. CNG cylinders are assembled between the lower support plate, the middle support plates and the hoop, and finally fixed by bolts; the main columns penetrate through the bottom of the lower support plate and are connected by bolts.

[0009] The effects are as follows: In the present utility model, the main columns adopt the method of penetrating through the bottom of the lower support plate and are connected by bolts. The data analysis is as follows: 1. Removing the secondary beam in this structure can reduce the weight by about 50 kg; 2. The production efficiency of the columns is increased by 50%; 3. The assembly process of the column and the lower support plate assembly is simple and the efficiency can be increased by 100%; 4. The material cost of a single set of assembly is reduced by 240 yuan, and the labor cost is reduced by 160 yuan, with a total cost reduction of 400 yuan; Calculated according to an annual production of 2,000 sets, the cost can be reduced by 800,000 yuan, enhancing the competitiveness of the product in the market; 5. This structure can be used for the design scheme of cylinder groups with various straight-through beam rear structures.

[0010] A further improvement lies in that: an L-shaped folding edge is folded at the bottom of the lower support plate, and the width of the L-shaped folding edge is the same as the width of the E surface on the vehicle frame longitudinal beam.

[0011] A gas cylinder protection surface is provided on the upper part of the lower support plate, and gas cylinder protection surfaces are provided corresponding to the upper and lower parts of the middle support plates and below the hoop.

[0012] The effects are as follows: Folding an L-shaped folding edge at the bottom of the lower support plate forms a supporting surface, which forms a butt-joint relationship with the vehicle frame, being stable and reliable; the gas cylinder protection surface forms protection for the CNG cylinder.

[0013] A further improvement lies in that: a reinforcing rib is also provided between the lower tangent point of the gas cylinder protection surface and the L-shaped folding edge of the lower support plate.

[0014] The effect is as follows: Ensuring that the lower support plate has sufficient supporting strength.

[0015] A further improvement lies in that: the multiple middle support plates are divided into a first middle support plate, a second middle support plate, and a third middle support plate, and a hoop is provided on the third middle support plate. At this time, CNG cylinders are assembled between the lower support plate and the first middle support plate, the first middle support plate and the second middle support plate, the second middle support plate and the third middle support plate, and the third middle support plate and the hoop.

[0016] The effects are as follows: The multi-level setting facilitates the assembly of more CNG cylinders. The multi-layer superposition use of CNG cylinders can increase the capacity and meet the long-distance transportation requirements; This scheme has been implemented on the 2*1080L, 8*260L and 4*260L assembly products. Description of the Drawings

[0017] Figure 1 is the front view structural view of the present utility model;

[0018] Figure 2 is Figure 1 the right view structural view of;

[0019] Figure 3 is Figure 1 the top view structural view of;

[0020] Figure 4 is Figure 1 the three-dimensional structural view of;

[0021] Figure 5 is the three-dimensional view of the lower support plate Figure 1 ;

[0022] Figure 6 is the three-dimensional view of the lower support plate Figure 2 ;

[0023] Figure 7 is the three-dimensional view of the middle support plate.

[0024] In the figure, 1 is the lower support plate, 2 is the main column, 3 is the side column, 4 is the pull plate, 5 is the CNG gas cylinder, 6 is the middle support plate, and 7 is the hoop;

[0025] 101 is the L-shaped hem, 102 is the reinforcing rib, and 103 is the gas cylinder protection surface;

[0026] 601 is the first middle support plate, 602 is the second middle support plate, and 603 is the third middle support plate. Specific embodiments

[0027] The present utility model is as Figure 1-7 shown.

[0028] A CNG gas cylinder frame structure applicable to a straight beam includes a lower support plate 1. The lower support plate 1 is arranged along the width. Main columns 2 are provided upward at both ends of the lower support plate 1. Side columns 3 are provided on the side of the main columns 2. The main columns 2 and the side columns 3 form a frame structure through a pull plate 4. Multiple middle support plates 6 are provided on the main columns 2 corresponding to the lower support plate 1. Among them, there is also a hoop 7 on the topmost layer. CNG gas cylinders 5 are assembled between the lower support plate 1, the middle support plate 6, and the hoop 7, and finally fixed by bolts. The main columns 2 extend through the bottom of the lower support plate 1 and are connected by bolts.

[0029] In this utility model, the main column 2 adopts the method of passing through the bottom of the lower support plate 1 and is bolted. The data analysis is as follows: 1. Removing the secondary beam in this structure can reduce the weight by about 50 kg; 2. The production efficiency of the column is increased by 50%; 3. The assembly process of the main column 2 and the lower support plate 1 assembly is simple and the efficiency can be increased by 100%; 4. The material cost of a single set of assembly is reduced by 240 yuan, and the labor cost is reduced by 160 yuan. The total cost reduction is 400 yuan; Calculated according to the annual production of 2,000 sets, the cost can be reduced by 800,000 yuan, improving the competitiveness of the product in the market; 5. This structure can be used for the design scheme of gas cylinder groups with various straight-through beam rear structures.

[0030] An L-shaped hem 101 is folded at the bottom of the lower support plate 1, and the width of the L-shaped hem 101 is the same as the width of the E surface on the vehicle frame longitudinal beam.

[0031] The upper part of the lower support plate 1 is provided with a gas cylinder protection surface 103, and the upper and lower parts of the middle support plate 6 and the lower part of the hoop 7 are correspondingly provided with a gas cylinder protection surface 103.

[0032] An L-shaped hem 101 is folded at the bottom of the lower support plate 1 to form a support surface, which forms a docking relationship with the vehicle frame, being stable and reliable; the protection surface forms protection for the CNG gas cylinder 5.

[0033] Reinforcing ribs 102 are also provided at the lower tangent point of the gas cylinder protection surface 103 and the L-shaped hem 101 of the lower support plate 1.

[0034] The reinforcing ribs 102 ensure that the lower support plate 1 has sufficient support strength.

[0035] The multi-layer middle support plate 6 is divided into a first middle support plate 601, a second middle support plate 602, and a third middle support plate 603, and a hoop 7 is provided on the third middle support plate 603. At this time, CNG gas cylinders 5 are assembled between the lower support plate 1 and the first middle support plate 601, between the first middle support plate 601 and the second middle support plate 602, between the second middle support plate 602 and the third middle support plate 603, and between the third middle support plate 603 and the hoop 7.

[0036] The multi-level setting facilitates the assembly of more CNG gas cylinders 5. The multi-layer superposition use of CNG gas cylinders 5 can increase the capacity and meet the long-distance transportation requirements; This solution has been implemented on the assembly products of 2 * 1080L, 8 * 260L, and 4 * 260L.

Claims

1. A CNG cylinder frame structure suitable for a through beam, comprising a lower support plate (1), characterized in that: The lower support plate (1) is arranged along the width, and main columns (2) are arranged upward at both ends of the lower support plate (1), and side columns (3) are arranged on the sides of the main columns (2). The main columns (2) and the side columns (3) form a frame structure through a pull plate (4); and a plurality of middle support plates (6) are arranged on the main columns (2) corresponding to the lower support plate (1), wherein the uppermost layer also has a clamp (7), and CNG cylinders (5) are installed between the lower support plate (1), the middle support plate (6) and the clamp (7), and finally fixed by bolts, and the main column (2) passes directly through the bottom of the lower support plate (1) and is connected by bolts.

2. A CNG gas cylinder frame structure suitable for a through beam according to claim 1, characterized in that: An L-shaped folded edge (101) is folded at the bottom of the lower support plate (1), and the width of the L-shaped folded edge (101) is consistent with the width of the E surface on the frame longitudinal beam.

3. A CNG cylinder frame structure suitable for a through beam according to claim 1 or 2, characterized in that: The upper portion of the lower support plate (1) is provided with a gas cylinder protection surface (103), and the upper and lower portions of the corresponding middle support plate (6) and the lower portion of the clamp (7) are also provided with a gas cylinder protection surface (103).

4. A CNG cylinder frame structure suitable for a through beam according to claim 3, characterized in that: A reinforcing rib (102) is also provided between the lower tangent point of the gas cylinder protection surface (103) and the L-shaped folded edge (101) of the lower support plate (1).

5. A CNG gas cylinder frame structure suitable for a through beam according to claim 1, characterized in that: The multi-layer middle support plate (6) is divided into a first middle support plate (601), a second middle support plate (602), and a third middle support plate (603), and a clamp (7) is provided on the third middle support plate (603). In this case, CNG cylinders (5) are installed between the lower support plate (1) and the first middle support plate (601), the first middle support plate (601) and the second middle support plate (602), the second middle support plate (602) and the third middle support plate (603), and the third middle support plate (603) and the clamp (7).

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