Front plate and protection plate lap joint structure, cargo compartment and engineering vehicle

By adopting an integrated welded structure and a lap design of the triangular groove connecting rib plate on the protective plate assembly and front plate of the dump truck, the problems of large workload and heavy weight of the protective plate welding reinforcement ribs in the prior art are solved, and the effects of simple structure, light weight and large loading are achieved, and the working efficiency and safety of the whole vehicle are improved.

CN222629440UActive Publication Date: 2025-03-18XUZHOU XCMG MINING MACHINERY CO LTD
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Patent Information

Application Number
CN202421484276.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-03-18
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The protective plates of existing dump trucks need to be long and wide enough to protect people and equipment, resulting in large workloads and heavy weight in welding reinforcement ribs, which affects loading capacity and vehicle efficiency.

Method used

The front plate and protective plate overlap structure are adopted, and the protective plate assembly is made of butt-welded multiple integrated protective plates, with triangular grooves, and the connecting rib plate is welded at the connection between the front plate and the protective plate assembly, external reinforcement ribs are cancelled, and sealing plates are added to prevent material from rolling off.

Benefits of technology

It realizes a lap structure with simple structure, small welding workload and light weight, improves load capacity and vehicle working efficiency, and effectively prevents materials from rolling off the edge of the protection plate, protecting personnel and equipment safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a front plate and protection plate lap joint structure, a cargo compartment and an engineering vehicle. The front plate and protection plate lap joint structure comprises a protection plate assembly, a front plate assembly and a connecting rib plate. The front plate assembly is formed by butting and welding a plurality of front plates; the protection plate assembly and the front plate assembly are welded into a whole, the protection plate assembly is composed of a protection plate assembly formed by butt welding of a plurality of protection plates and a sealing plate which surrounds the periphery of the protection plate assembly and vertically extends upwards, and each protection plate is an integrally-formed part and is bent to form at least one triangular groove penetrating through the protection plate. The connecting rib plate is welded to the joint of the front face of the front plate assembly and the bottom face of the protection plate assembly. The utility model has the advantages of simple structure, reasonable size, small welding workload and light weight, is used for protecting personnel and key and important equipment on the walking board, effectively increases the loading capacity of the whole vehicle, and improves the working efficiency.
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Description

Technical Field

[0001] The utility model relates to a front plate and a protection plate overlap structure, belonging to the technical field of cargo compartments. Background Art

[0002] The dump truck platform contains key equipment such as the cab, converter cabinet, brake resistor grid, and personnel passages such as stairs. There is a risk of materials falling on the protective plate during loading and transportation. The protective plate needs to be long and wide enough to protect the safety of personnel and protect key equipment from damage by materials. The long and wide protective plate requires sufficient strength and rigidity, so reinforcement ribs must be welded on the protective plate to increase the overall structural strength and rigidity. However, there are many reinforcement ribs welded on the protective plate, the welding workload is large, and the overall weight is heavy, resulting in a reduction in loading capacity and affecting the efficiency of the entire vehicle. Summary of the invention

[0003] In order to solve the deficiencies in the prior art, the utility model provides a front plate and protection plate overlap structure with simple structure, reasonable size, small welding workload and light weight, which protects personnel and key important equipment on the walkway, effectively increases the loading capacity of the whole vehicle and improves work efficiency.

[0004] The utility model is implemented according to the following technical solutions:

[0005] In a first aspect, the utility model provides a front plate and a protection plate overlap structure, comprising:

[0006] The front plate assembly is composed of a plurality of front plates butted and welded;

[0007] A protection plate assembly is welded to the front plate assembly to form a whole, the protection plate assembly is composed of a protection plate assembly formed by butt-welding a plurality of protection plates and a sealing plate surrounding the periphery of the protection plate assembly and extending vertically upward therefrom, and each protection plate is an integrally formed part and is bent to have at least one triangular groove penetrating the protection plate;

[0008] The connecting rib is welded at the connection between the front surface of the front plate assembly and the bottom surface of the protection plate assembly.

[0009] In some embodiments, the triangular groove on the protective plate extends from the front end of the protective plate toward the front plate, and the triangular groove is opened upward from the bottom surface of the protective plate.

[0010] In some embodiments, the protective plate assembly is composed of a plurality of front protective plates connected side by side and a plurality of rear protective plates connected side by side; the rear protective plates are connected to the front plates.

[0011] In some embodiments, the triangular groove on the front protective plate is connected end to end with the triangular groove on the rear protective plate to form a long triangular groove extending from the front end of the protective plate assembly to the front plate and welded to the front plate.

[0012] In some embodiments, a front sealing plate is welded at the front edge of the protective plate assembly, and side sealing plates are welded at both side edges of the protective plate assembly, and the front end of the side sealing plate is welded to the front sealing plate, and the rear end of the side sealing plate is welded to the front plate assembly; the front sealing plate and the side sealing plate are both higher than the protective plate assembly to prevent materials from rolling off the edge of the protective plate assembly.

[0013] In some embodiments, a side sealing plate 2 is welded to the bottom surface of the protective plate assembly on the inner side of the side sealing plate 1, the front end of the side sealing plate 2 is welded to the front sealing plate, and the rear end of the side sealing plate 2 is welded to the front plate assembly; the bottom surfaces of the side sealing plate 1 and the side sealing plate 2 are formed into a box-type structure that is narrow in the front and wide in the rear by welding bent plates.

[0014] In some embodiments, a plurality of rib plates 1 are welded at intervals at the connection between the front sealing plate and the top surface of the protection plate assembly; and a rib plate 2 is welded at the connection between the side sealing plate 1 and the top surface of the protection plate assembly.

[0015] In some embodiments, the front plate is an arc-shaped plate protruding forward, and the front plate is an integrally formed part with a triangular boss on the top. The shape of the triangular boss is the same as the shape of the triangular groove. The triangular boss is inserted into the triangular groove and the two are welded together.

[0016] In some embodiments, the connecting rib plate is an integrally formed part and has a plurality of triangular bosses on the top. The shape of the triangular bosses is the same as the shape of the triangular grooves. After the triangular bosses are inserted into the triangular grooves, the two are welded together. The top of the connecting rib plate excluding the remaining part of the triangular bosses is welded to the bottom surface of the protective plate assembly after being bonded together, and the bottom of the connecting rib plate is welded to the front of the front plate assembly after being bonded together.

[0017] In a second aspect, the utility model provides a cargo compartment, including the above-mentioned front plate and protection plate overlapping structure.

[0018] In a third aspect, the utility model provides an engineering vehicle equipped with the above-mentioned cargo compartment.

[0019] Beneficial effects of the utility model:

[0020] The utility model provides a front plate and protective plate overlap structure with simple structure, reasonable size, small welding workload and light weight. The structure adopts triangular support in many places, and the plates are mostly formed in one piece, eliminating the previous external reinforcement rib structure. The structure is simple and stable, which can ensure that the strength of the protective plate can well resist the impact of materials. At the same time, the welding workload is small and the weight is light, which can effectively increase the loading capacity and thus improve the working efficiency of the whole vehicle. The sealing plate structure higher than the protective plate can also effectively prevent materials from rolling off the edge of the protective plate, protecting the safety of personnel and key equipment on the walkway. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.

[0022] In the attached picture:

[0023] Figure 1 It is a schematic diagram of the upper structure of the front plate and the protection plate overlap structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the lower structure of the front plate and the protection plate overlap structure of the utility model.

[0025] In the figure: 1 front sealing plate, 2 left front protection plate, 3 rib plate one, 4 middle front protection plate, 5 right front protection plate, 6 left rear protection plate, 7 middle rear protection plate, 8 right rear protection plate, 9 rib plate two, 10 side sealing plate one, 11 bent plate, 12 side sealing plate two, 13 right front plate, 14 middle front plate, 15 left front plate, 16 connecting rib plate.

[0026] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0028] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" 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.

[0030] like Figure 1 , Figure 2 As shown, the utility model proposes a front plate and protective plate overlap structure with simple structure, reasonable size, small welding workload and light weight, which is composed of a protective plate assembly, a front plate assembly and a connecting rib plate 16. The front plate assembly is composed of a plurality of front plates butt-welded; the protective plate assembly and the front plate assembly are welded into a whole, and the protective plate assembly is composed of a protective plate assembly formed by butt-welding a plurality of protective plates and a sealing plate surrounding the periphery of the protective plate assembly and extending vertically upward therefrom, and each protective plate is an integrally formed part and is bent with at least one triangular groove penetrating the protective plate; the connecting rib plate is welded at the connection between the front of the front plate assembly and the bottom surface of the protective plate assembly.

[0031] The above-mentioned protection plate assembly is further described below.

[0032] like Figure 1 , Figure 2As shown, the protective plate assembly is composed of a front sealing plate 1, a left front protective plate 2, a rib plate 1 3, a middle front protective plate 4, a right front protective plate 5, a left rear protective plate 6, a middle rear protective plate 7, a right rear protective plate 8, a rib plate 2 9, a side sealing plate 1 10, a bent plate 11 and a side sealing plate 2 12; the left front protective plate 2, the middle front protective plate 4 and the right front protective plate 5 are connected side by side to form a front protective plate, and the left rear protective plate 6, the middle rear protective plate 7 and the right rear protective plate 8 are connected side by side to form a rear protective plate. The left front protective plate 2, the middle front protective plate 4, the right front protective plate 5, the left rear protective plate 6, the middle rear protective plate 7 and the right rear protective plate 8 are integrally formed parts with triangular grooves, which are butt-welded to form a protective plate assembly; the triangular groove on the protective plate extends from the front end of the protective plate toward the front plate, and the triangular groove is opened upward from the bottom surface of the protective plate. The triangular groove on the front protective plate and the triangular groove on the rear protective plate are connected end to end to form a long triangular groove extending from the front end of the protective plate assembly to the front plate and welded to the front plate.

[0033] Further solutions, such as Figure 1 , Figure 2 As shown, the front sealing plate 1 is located at the front end of the protection plate assembly and is connected to the front protection plate through a rib plate 3. The side sealing plates 10 are located on the left and right sides of the protection plate assembly and are connected to the protection plate assembly through a rib plate 9. The structure is stable, and the front sealing plate 1 and the side sealing plates 10 are both higher than the protection plate assembly by a certain height, which effectively prevents materials from rolling off the edge of the protection plate assembly and protects the safety of personnel and key equipment on the walkway.

[0034] Further solutions, such as Figure 1 , Figure 2 As shown, a side sealing plate 2 12 is welded to the bottom surface of the protection plate assembly inside the side sealing plate 10, the front end of the side sealing plate 2 12 is welded to the front sealing plate 1, and the rear end of the side sealing plate 2 12 is welded to the front plate assembly; the bottom surfaces of the side sealing plates 10 and 12 are welded with a bent plate 11 to form a box-type structure that is narrow in the front and wide in the rear, thereby further enhancing the stability of the overall structure.

[0035] The above-mentioned front panel assembly is further described below.

[0036] like Figure 1 , Figure 2 As shown, the front panel assembly consists of a right front panel 13, a middle front panel 14 and a left front panel 15; the right front panel 13, the middle front panel 14 and the left front panel 15 are arc-shaped panels protruding forward, and the right front panel 13, the middle front panel 14 and the left front panel 15 are respectively one-piece molded parts with triangular bosses on the top, and the three are butt-welded to form the entire front panel assembly; the shape of the triangular boss is the same as the shape of the triangular groove, and the two are welded together after the triangular boss is inserted into the triangular groove.

[0037] The above-mentioned connecting ribs are further described below.

[0038] like Figure 2 As shown, the connecting rib plate 16 is an integrally formed part and has three triangular bosses on the top. The shape of the triangular bosses is the same as the shape of the triangular grooves. The three triangular bosses are respectively inserted into the triangular grooves on the left rear protective plate 6, the middle rear protective plate 7, and the right rear protective plate 8, and the two are welded together; the remaining part of the top of the connecting rib plate 16 except the three triangular bosses is welded together with the bottom surfaces of the left rear protective plate 6, the middle rear protective plate 7, and the right rear protective plate 8, and the bottom of the connecting rib plate 16 is welded together with the arc surfaces of the right front plate 13, the middle front plate 14, and the left front plate 15.

[0039] In summary, the utility model realizes the following functions:

[0040] 1. Both the protective plate assembly and the front plate assembly are multi-section splicing type, ensuring the appropriate plate size and solving the problem of easy welding deformation of large-size plates.

[0041] 2. The protection plate assembly is divided into multiple sections of one-piece parts. Each section is bent with a triangular groove to replace the external welded reinforcement ribs. The structure is simple and can greatly reduce the welding workload while ensuring the structural strength, effectively reducing the weight of the protection plate.

[0042] 3. The front panel is composed of multiple integrated parts. Each section is designed with a triangular boss, which matches the triangular groove of the protective plate to further enhance the structural stability.

[0043] 4. The front plate assembly is a multi-section arc structure. The elastic deformation of the arc plate can effectively absorb the impact of materials, facilitate unloading, and prevent material accumulation.

[0044] 5. A connecting rib plate is welded between the protection plate assembly and the lower part of the front plate assembly. The connecting rib plate is an integrally formed part. A triangular boss structure is designed on the upper side, corresponding to the triangular groove of the protection plate. The lower side fits well with the arc surface of the front plate, and the overall structure is stable.

[0045] 6. Sealing plates are welded on the front and left and right sides of the protection plate assembly. Each sealing plate is higher than the protection plate assembly by a certain height and is connected to the protection plate through rib plates to enhance structural stability, effectively prevent materials from rolling off the edge of the protection plate assembly, and protect the safety of personnel and key equipment on the walkway.

[0046] The utility model also provides a cargo compartment, comprising the above-mentioned front plate and protection plate overlapping structure.

[0047] The utility model also provides an engineering vehicle equipped with the above-mentioned cargo compartment.

[0048] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0049] In addition, those skilled in the art will understand that, although some embodiments described herein include certain features included in other embodiments but not other features, the combination of features of different embodiments also means being within the scope of protection of the present utility model and forming different embodiments. For example, in the above embodiments, those skilled in the art can use them in combination according to the known technical solutions and the technical problems to be solved by the present application.

[0050] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A front plate and a protection plate overlap structure, characterized in that: include: The front plate assembly is composed of a plurality of front plates butted and welded; A protection plate assembly is welded to the front plate assembly to form a whole, the protection plate assembly is composed of a protection plate assembly formed by butt-welding a plurality of protection plates and a sealing plate surrounding the periphery of the protection plate assembly and extending vertically upward therefrom, and each protection plate is an integrally formed part and is bent to have at least one triangular groove penetrating the protection plate; The connecting rib is welded at the connection between the front surface of the front plate assembly and the bottom surface of the protection plate assembly.

2. The front plate and protection plate overlap structure according to claim 1, characterized in that: The triangular groove on the protection plate extends from the front end of the protection plate toward the front plate, and the triangular groove is opened upward from the bottom surface of the protection plate.

3. The front plate and protection plate overlap structure according to claim 2, characterized in that: The protection plate assembly is composed of a plurality of front protection plates connected in parallel and a plurality of rear protection plates connected in parallel; the rear protection plates are connected to the front plates.

4. The front plate and protection plate overlap structure according to claim 3, characterized in that: The triangular groove on the front protective plate and the triangular groove on the rear protective plate are connected end to end to form a long triangular groove extending from the front end of the protective plate assembly to the front plate and welded to the front plate.

5. The front plate and protection plate overlap structure according to claim 1, characterized in that: A front sealing plate is welded at the front edge of the protection plate assembly, and a side sealing plate 1 is welded at the two side edges of the protection plate assembly, and the front end of the side sealing plate 1 is welded to the front sealing plate, and the rear end of the side sealing plate 1 is welded to the front plate assembly; The front sealing plate and the side sealing plate are both higher than the protection plate assembly to prevent materials from rolling off the edge of the protection plate assembly.

6. The front plate and protection plate overlap structure according to claim 5, characterized in that: The bottom surface of the protection plate assembly on the inner side of the side sealing plate 1 is welded with the side sealing plate 2, the front end of the side sealing plate 2 is welded to the front sealing plate, and the rear end of the side sealing plate 2 is welded to the front plate assembly; the bottom surfaces of the side sealing plates 1 and 2 are formed into a box-type structure that is narrow in the front and wide in the rear by welding bent plates.

7. The front plate and protection plate overlap structure according to claim 5, characterized in that: A plurality of rib plates are welded at intervals at the connection between the front sealing plate and the top surface of the protection plate assembly; A rib plate 2 is welded at the connection between the side sealing plate 1 and the top surface of the protection plate assembly.

8. The front plate and protection plate overlap structure according to claim 1, characterized in that: The front plate is an arc-shaped plate protruding forward, and the front plate is an integrally formed part with a triangular boss on the top. The shape of the triangular boss is the same as the shape of the triangular groove. The triangular boss is inserted into the triangular groove and the two are welded together.

9. The front plate and protection plate overlap structure according to claim 1, characterized in that: The connecting rib plate is an integrally formed part and has a plurality of triangular bosses on the top. The shape of the triangular bosses is the same as the shape of the triangular grooves. The triangular bosses are inserted into the triangular grooves and the two are welded together. The remaining portion of the top of the connecting rib plate except the triangular boss is welded to the bottom surface of the protection plate assembly after being fitted, and the bottom of the connecting rib plate is welded to the front of the front plate assembly after being fitted.

10. A cargo compartment, characterized in that: It includes the overlapping structure of the front plate and the protection plate as described in any one of claims 1 to 9.

11. An engineering vehicle, characterized in that: The cargo box according to claim 10 is installed.