Protection structure of LNG (Liquefied Natural Gas) cylinder for heavy truck

Abstract

The protection structure of the LNG cylinder for the heavy truck comprises two sets of fixed frames connected with a frame girder, each set of fixed frames is formed by splicing a bottom frame and a top frame, a side protection plate is installed on the vertical section of one side of one set of top frame through a hinge, a pair of installation holes are formed in one end of the side protection plate, and the side protection plate is connected with the bottom frame through a hinge. Fastening screws are mounted in the mounting holes, and a pair of threaded holes connected with the fastening screws are formed in the vertical end of one side of the other top frame. A top protection plate is horizontally and fixedly connected between the two top frames. According to the utility model, the side protection plate is arranged on the fixed frame by adopting a mode that the hinge is matched with the fastening screw, so that the side protection plate can be quickly opened during security check and maintenance, the surface condition of the LNG gas cylinder can be more intuitively observed, the use convenience is higher, and meanwhile, due to the arrangement of the top protection plate, the safety of the LNG gas cylinder is improved. And the condition that goods on the top of the container of the commercial vehicle fall off to crush the LNG cylinder can be prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile manufacturing, and more specifically, particularly relates to a protective structure of an LNG gas cylinder for a heavy truck. Background Art

[0002] LNG on-board cylinders are a key part of the fuel supply system of gas heavy trucks, and their safety protection measures are indispensable. The side protection device of the side-mounted LNG cylinder must not only meet the collision regulations of various countries or regions, but also play a good protective role for the LNG cylinder itself, especially when tilting and turning, effectively preventing other external objects from damaging the cylinder body. In the prior art, the side protection device of the LNG cylinder is usually a fixed structure, and its side guard plate is usually connected to the protective main frame by welding. Since LNG cylinders are special equipment, they require regular security inspections and maintenance, that is, it is difficult to open the side guard plate during security inspections and maintenance, which has certain limitations when used. Therefore, the existing structure and deficiencies are studied and improved, and a protective structure for LNG cylinders for heavy trucks is provided. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a protective structure for LNG cylinders for heavy trucks, which is achieved by the following specific technical means:

[0004] A protective structure for LNG cylinders for heavy trucks, comprising a fixed frame connected to a frame beam, wherein two groups of the fixed frames are provided, and both groups of the fixed frames are formed by splicing a bottom frame and a top frame, wherein a vertical section on one side of the top frame of one group is provided with a side guard plate via a hinge, a pair of mounting holes are provided at one end of the side guard plate, and fastening screws are installed in the mounting holes, and a pair of threaded holes connected with the fastening screws are provided at a vertical end on one side of the top frame of the other group; a top guard plate is horizontally fixedly connected between the two groups of the top frames.

[0005] As a preferred technical solution of the present invention, the base frame and the top frame are both L-shaped structures, and are fixedly connected by multiple sets of fastening bolts.

[0006] As a preferred technical solution of the utility model, a mounting opening is provided on one side of the side guard plate, and a plurality of groups of rollers are mounted inside the mounting opening for vertical rotation via a rotating shaft.

[0007] As a preferred technical solution of the utility model, the surfaces of the rotating rollers are fixedly sleeved with rubber sleeves.

[0008] As a preferred technical solution of the utility model, both left and right ends of the side guard plate are obliquely connected with guide plates.

[0009] As a preferred technical solution of the utility model, support blocks are fixedly installed on the top side of the base frame, and the top of the support blocks is provided with an arc surface for placing LNG cylinders; the top of the support blocks is connected with a strap for fastening the LNG cylinders.

[0010] As a preferred technical solution of the utility model, the support block is a rubber block, and the bottom is fixedly connected to the base frame by fastening bolts.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The utility model adopts the method of hinge and fastening screw to install the side guard plate on the fixed frame, so that the side guard plate can be quickly opened during security inspection and maintenance, and the surface condition of the LNG cylinder can be observed more intuitively, which has high convenience in use. At the same time, the provision of the top guard plate can prevent the cargo on the top of the commercial vehicle cargo box from falling and damaging the LNG cylinder; by installing multiple sets of rollers on the side of the side guard plate, when the side guard plate is laterally touched by other vehicles, the force direction of the impacting vehicle can be guided, thereby improving the anti-collision effect of the side guard plate and protecting the LNG cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 .

[0014] Figure 2 It is a schematic diagram of the side guard plate of the utility model in an open state.

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 .

[0016] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0017] 1. Bottom frame; 2. Top frame; 3. Side guard plate; 4. Roller; 5. Top guard plate; 6. Support block; 7. Binding strap; 8. Guide plate; 9. Fastening screws. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0019] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] As attached Figure 1 To Attachment Figure 3 As shown:

[0022] The utility model provides a protective structure for LNG gas cylinders for heavy trucks, including a fixed frame connected to a frame beam, wherein the fixed frame is provided with two groups, and the two groups of the fixed frames are both formed by splicing a bottom frame 1 and a top frame 2, wherein a vertical section on one side of the top frame 2 of one group is provided with a side guard plate 3 through a hinge, one end of the side guard plate 3 is provided with a pair of mounting holes, and fastening screws 9 are installed in the mounting holes, and a pair of threaded holes connected with the fastening screws 9 are provided at a vertical end on one side of the top frame 2 of the other group; a top guard plate 5 is horizontally fixedly connected between the two groups of the top frames 2.

[0023] The bottom frame 1 and the top frame 2 are both L-shaped structures, and are fixedly connected by multiple sets of fastening bolts to facilitate installation and removal of LNG cylinders.

[0024] Among them, an installation port is provided on one side of the side guard plate 3, and a plurality of sets of rollers 4 are installed inside the installation port through vertical rotation of a rotating shaft. When the side guard plate 3 is laterally hit by other vehicles, the force direction of the impacting vehicle can be guided by the rotation of the rollers 4, thereby improving the anti-collision effect of the side guard plate 3 and protecting the LNG cylinder.

[0025] The surfaces of the rotating rollers 4 are all fixedly sleeved with rubber sleeves to improve the anti-collision effect of the rotating rollers 4 .

[0026] The left and right ends of the side guard plate 3 are both obliquely connected with guide plates 8 .

[0027] Among them, support blocks 6 are fixedly installed on the top side of the base frame 1, and the top of the support blocks 6 is provided with an arc surface for placing the LNG gas cylinder; the top of the support blocks 6 is connected with a strap 7 for fastening the LNG gas cylinder.

[0028] The support block 6 is a rubber block, and the bottom is fixedly connected to the base frame 1 by fastening bolts.

[0029] The working principle of this embodiment: during security inspection and maintenance, the fastening screws 9 on the side guard plate 3 can be removed with the help of tools such as wrenches. After removal, the side guard plate 3 can be rotated to facilitate the staff to intuitively observe and maintain the LNG gas cylinder, which is more convenient to use; in daily use, the side guard plate 3 can be closed and the fastening screws 9 can be locked to ensure high stability during use. The setting of the top guard plate 5 can prevent the cargo on the top of the commercial vehicle cargo box from falling and damaging the LNG gas cylinder; by installing multiple sets of rollers 4 on the side of the side guard plate 3, when the side guard plate 3 is laterally touched by other vehicles, the force direction of the impacting vehicle can be guided, thereby improving the anti-collision effect of the side guard plate 3 to protect the LNG gas cylinder.

[0030] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A protective structure for an LNG cylinder for a heavy truck, comprising a fixed frame connected to a frame beam, wherein two sets of the fixed frames are provided, and both sets of the fixed frames are formed by splicing a bottom frame (1) and a top frame (2), and wherein: A side guard plate (3) is installed on a vertical section of one side of one group of the top frames (2) via a hinge, a pair of mounting holes is provided at one end of the side guard plate (3), and fastening screws (9) are installed in each of the mounting holes, and a pair of threaded holes connected to the fastening screws (9) are provided at a vertical end of one side of the other group of the top frames (2); a top guard plate (5) is horizontally fixedly connected between the two groups of the top frames (2).

2. The protective structure of the LNG cylinder for heavy trucks as claimed in claim 1, characterized in that: The bottom frame (1) and the top frame (2) are both L-shaped structures, and are fixedly connected by a plurality of sets of fastening bolts.

3. The protective structure of the LNG cylinder for heavy trucks as claimed in claim 1, characterized in that: A mounting opening is provided on one side of the side guard plate (3), and a plurality of groups of rollers (4) are mounted inside the mounting opening for vertical rotation via a rotating shaft.

4. The protective structure of the LNG cylinder for heavy trucks as claimed in claim 3, characterized in that: The surfaces of the rotating rollers (4) are all fixedly sleeved with rubber sleeves.

5. The protective structure of the LNG cylinder for heavy trucks as claimed in claim 1, characterized in that: The left and right ends of the side guard plate (3) are both obliquely connected to guide plates (8).

6. The protective structure of the LNG cylinder for heavy trucks as claimed in claim 1, characterized in that: A support block (6) is fixedly mounted on the top side of the base frame (1), and a curved surface for placing an LNG gas cylinder is provided at the top of the support block (6); and a strap (7) for fastening the LNG gas cylinder is connected to the top of the support block (6).

7. A protective structure for a heavy truck LNG cylinder as claimed in claim 6, characterized in that: The support block (6) is a rubber block, and the bottom is fixedly connected to the base frame (1) via fastening bolts.

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