Novel light-weight refrigerator car bottom plate structure

Abstract

The utility model discloses a novel light-weight refrigerator car bottom plate structure which comprises aluminum frames and a wooden support, the wooden support is arranged on the aluminum frames, a limiting groove is formed in the side face of the wooden support, an embedded steel plate is arranged in the limiting groove, a heat preservation material is arranged between the aluminum frames, a plastic plate is arranged on the heat preservation material, and the plastic plate is arranged on the aluminum frames. A polyurea layer is arranged on the surface of the plastic plate, the polyurea layer and the plastic plate form a polyurea plate, a glass steel plate is arranged on the lower surface of the aluminum frame, the wood support is vertically arranged on the aluminum frame, a water passing pipe is arranged on the plastic plate, and the water passing pipe penetrates through the thermal insulation material and the glass steel plate; the whole structure adopts the aluminum frame and the wood support, has the advantage of light weight under the condition of ensuring enough strength, and adopts a polyurea material to replace an inner plywood and glass fiber reinforced plastic structure, so that the compression resistance of the compartment plate can be ensured, the weight of the compartment plate is reduced, one-time gluing step is reduced, and the labor cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerated truck bottom plates, in particular to a novel lightweight refrigerated truck bottom plate structure. Background Art

[0002] With the development of urban commerce in my country, in order to meet the transportation needs of fresh meat, fruits and vegetables, the production of refrigerated trucks is also increasing. The compartments of refrigerated trucks have better insulation requirements, especially the floor of refrigerated trucks must not only have excellent wear resistance and heat preservation, but also have sufficient strength. The floor structure of refrigerated trucks is generally made of steel frame. Although the steel frame has good structural strength, it is heavy, which directly increases the overall weight of the refrigerated truck and increases fuel consumption. With the advancement of technology, it can no longer meet people's needs. The steel frame is combined with inner plywood, fiberglass and insulation cotton. The bottom plate structure is pre-embedded with a metal plate for connection to the sub-vehicle frame. However, when driving on bumpy roads or mountain roads, the embedded steel plate is fixed with glue and is easy to fall off, which makes it easy to tear the layer or bottom plate. For example, Chinese patent application No. 202122886242.3 discloses a car floor and a refrigerated truck, a box body, and a skeleton structure, which are installed on the box body. The skeleton structure is composed of a combination of steel pipes welded together, and the inner and outer skins are made of fiberglass. The above-mentioned technical problems exist, and a new lightweight refrigerated truck bottom plate structure is proposed. Utility Model Content

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a new type of lightweight refrigerated truck floor structure. The overall structure adopts an aluminum frame and wooden supports. While ensuring sufficient strength, it has the advantage of light weight. Polyurea material is used instead of the inner plywood and fiberglass structure to ensure the compressive strength of the compartment plate, reduce the weight of the compartment plate, reduce the gluing step once, save labor costs, and effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel lightweight refrigerated truck floor structure, comprising an aluminum frame and a wooden support, the wooden support being arranged on the aluminum frame, a limiting groove being arranged on the side of the wooden support, an embedded steel plate being arranged in the limiting groove, an insulation material being arranged between the aluminum frames, a plastic plate being arranged on the insulation material, a polyurea layer being arranged on the surface of the plastic plate, and the polyurea layer and the plastic plate forming a polyurea plate.

[0005] Furthermore, a glass fiber reinforced plastic plate is provided on the lower surface of the aluminum frame, and the wooden support is vertically arranged on the aluminum frame.

[0006] Furthermore, a water pipe is provided on the plastic plate, and the water pipe passes through the thermal insulation material and the fiberglass reinforced plastic plate.

[0007] Furthermore, a plastic film is provided between the plastic plate and the thermal insulation material.

[0008] Furthermore, the thermal insulation material is XPS extruded board.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. The overall structure adopts aluminum frame and wooden support, which has the advantage of light weight while ensuring sufficient strength. The use of polyurea material instead of inner plywood and fiberglass structure can ensure the compressive strength of the compartment panel, reduce the weight of the compartment panel, reduce the gluing step once, and save labor costs.

[0011] 2. The limit groove restricts the embedded steel plate to ensure that the embedded steel plate is fixed in position and will not shake due to bumps, thus avoiding tearing of the layer plate or bottom plate due to loosening of the embedded steel plate during shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the partial structure of the bottom plate cross section of the utility model;

[0013] Figure 2 This is a schematic diagram of the position structure of the limit slot of the utility model;

[0014] Figure 3 This is a schematic diagram of the overall structure of the bottom plate of the utility model;

[0015] Figure 4 This is a schematic diagram of the AA cross-section structure of the present utility model.

[0016] In the figure: 1 polyurea layer, 2 thermal insulation material, 3 plastic board, 4 plastic film, 5 wooden support, 6 embedded steel plate, 7 fiberglass plate, 8 limit groove, 9 aluminum frame, 10 water pipe. DETAILED DESCRIPTION

[0017] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0018] See also Figure 1-4The utility model provides a technical solution: a new lightweight refrigerated truck floor structure, including an aluminum frame 9 and a wooden support 5. The wooden support 5 is arranged on the aluminum frame 9, and the aluminum frame material and the wooden material are used to replace the traditional steel frame. While meeting the strength requirements, the weight of the compartment plate is reduced. At the same time, there is no need to use a mold to fix the length when pressing, which reduces the production cycle. A limiting groove 8 is provided on the side of the wooden support 5, and a pre-embedded steel plate 6 is provided in the limiting groove 8. The limiting groove 8 limits the pre-embedded steel plate 6 to ensure that the position of the embedded steel plate 6 is fixed and there is no shaking due to bumps. The traditional pre-embedded steel plate 6 bracket is set on the upper surface of the frame. The problem is that the refrigerated truck is traveling on some bumpy roads or mountain roads. When the vehicle is in a state of shock and displacement, the laminate is prone to delamination at the connection point between the bottom plate and the auxiliary vehicle frame. The main reason is that the embedded steel plate 6 is fixed with glue and is easy to fall off. It is easy to tear the laminate or bottom plate during shaking. The embedded steel plate 6 is located in the limit groove 8 of the wooden support 5, which can effectively solve this problem. Insulation material 2 is arranged between the aluminum frames 9, and a plastic plate 3 is arranged on the insulation material 2. A polyurea layer 1 is arranged on the surface of the plastic plate 3. The polyurea layer 1 and the plastic plate 3 form a polyurea plate. The polyurea plate has the advantages of good weather resistance, good chemical resistance, good wear resistance, and good adhesion. It replaces the traditional inner plywood and fiberglass structure, which can ensure the compressive strength of the compartment panel, reduce the weight of the compartment panel, reduce the gluing step once, and save labor costs.

[0019] The lower surface of the aluminum frame 9 is provided with a glass fiber reinforced plastic plate 7 . It is only necessary to provide the glass fiber reinforced plastic plate 7 on the lower layer and connect it to the aluminum frame 9 by gluing. The wooden support 5 is vertically provided on the aluminum frame 9 .

[0020] A water pipe 10 is provided on the plastic plate 3 , and the water pipe 10 passes through the thermal insulation material 2 and the glass fiber reinforced plastic plate 7 . The water pipe 10 is used to drain the accumulated water on the bottom plate.

[0021] A plastic film 4 is provided between the plastic plate 3 and the heat-insulating material 2 . The plastic film 4 is relatively light and thin and will not affect the weight of the bottom plate. In addition, the plastic film 4 can further increase the waterproof performance of the bottom plate structure.

[0022] The insulation material 2 is XPS extruded board, which has the characteristics of high compression resistance, light weight, non-water absorption, airtightness, wear resistance and non-degradation, and meets the insulation needs of refrigerated trucks.

[0023] The above shows and describes the basic principles, main features and advantages of the present invention. Without departing from the spirit and scope of the present invention, the present invention may also have various changes and improvements, which fall within the scope of the present invention to be protected.

Claims

1. A novel lightweight refrigerated truck floor structure comprising an aluminum frame (9) and a wooden support (5), characterized in that: A wooden support (5) is arranged on an aluminum frame (9), a limiting groove (8) is arranged on a side of the wooden support (5), an embedded steel plate (6) is arranged in the limiting groove (8), a thermal insulation material (2) is arranged between the aluminum frames (9), a plastic plate (3) is arranged on the thermal insulation material (2), a polyurea layer (1) is arranged on the surface of the plastic plate (3), and the polyurea layer (1) and the plastic plate (3) form a polyurea plate.

2. The novel lightweight refrigerated truck floor structure according to claim 1 is characterized in that: A glass fiber reinforced plastic plate (7) is provided on the lower surface of the aluminum frame (9), and a wooden support (5) is vertically provided on the aluminum frame (9).

3. The novel lightweight refrigerated vehicle floor structure according to claim 2, characterized in that: A water pipe (10) is provided on the plastic plate (3), and the water pipe (10) passes through the thermal insulation material (2) and the glass fiber reinforced plastic plate (7).

4. The novel lightweight refrigerated truck floor structure according to claim 1 is characterized in that: A plastic film (4) is provided between the plastic plate (3) and the thermal insulation material (2).

5. The novel lightweight refrigerated truck floor structure according to claim 1 is characterized in that: The thermal insulation material (2) is XPS extruded board.

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