A welding front bracket and tractor

Abstract

This utility model relates to the field of agricultural equipment technology, specifically to a welded front bracket and a tractor. The welded front bracket includes a front counterweight mounting plate, side plates, a hood lock mounting plate, a battery tray, a radiator support bracket, a cable guide plate, a water tank mounting plate, an engine connection plate, a front axle mounting plate, and a support mounting block. Two side plates are located at both ends of the same side of the front counterweight mounting plate, and the engine connection plate is located at the other end of the side plate. The front counterweight mounting plate, side plates, engine connection plate, and the other side plate form a frame structure. The hood lock mounting plate, cable guide plate, battery tray, and front axle mounting plate are all connected to the two side plates at both ends. The support mounting block is on the front axle mounting plate. The radiator support bracket and water tank mounting plate are on the outer side of the side plates. The engine connection plate has fitting connecting plates at both ends on the inner side of the side plates. This utility model achieves integrated installation, reducing parts and weight; the fitting connecting plates avoid stress concentration caused by traditional welded support plates; and meets the lightweight and anti-sinking requirements of paddy field tractors.

Description

Technical Field

[0001] This utility model relates to the field of agricultural equipment technology, and more specifically, to a welded front bracket and a tractor. Background Technology

[0002] Currently, tractor front brackets are mostly made of castings or welded parts, generally in the form of a "box" structure. The front end connects to the counterweight frame, the lower end connects to the front axle, the rear end connects to the engine, and the upper end fixes the water tank pad / battery / water tank, etc., making them relatively heavy.

[0003] Because tractors are designed for paddy fields, the overall structural weight of the vehicle needs to be significantly reduced to prevent the vehicle from getting stuck.

[0004] Currently available front brackets are very heavy in order to ensure strength, which cannot meet the lightweight requirements of paddy field operations. Utility Model Content

[0005] The purpose of this utility model is to provide a welding front bracket and a tractor that can solve the above-mentioned technical problems.

[0006] In the first aspect, this utility model provides a welded front bracket, which includes a front counterweight mounting plate, a side plate, a hood lock mounting plate, a battery tray, a radiator support bracket, a cable guide plate, a water tank mounting plate, an engine connection plate, a front axle mounting plate, and a support base mounting block.

[0007] The two side plates are disposed at opposite ends on the same side of the front counterweight mounting plate, and the engine connecting plate is disposed at the end of the side plate away from the front counterweight mounting plate. The front counterweight mounting plate, the side plate, the engine connecting plate, and the other side plate form a frame structure.

[0008] The hood lock mounting plate, the cable guide plate, the battery support plate, and the front axle mounting plate are all connected to two side plates at each end;

[0009] The support mounting block is disposed on the front axle mounting plate and is used to install the front axle support.

[0010] The heat dissipation pack bracket and the water tank mounting plate are both located on the outside of the side plate;

[0011] The engine connecting plate has fitting connecting plates at both ends, and the fitting connecting plates are located on the inner side of the side plate.

[0012] In a preferred embodiment, the inner side of the side plate has a welding bevel, and the bonding connecting plate is welded to the side plate at the welding bevel.

[0013] In a preferred embodiment, the engine connecting plate is provided with a first reinforcing rib;

[0014] The first reinforcing rib connects the engine connecting plate and the bonding connecting plate, thereby enhancing the strength between the engine connecting plate and the bonding connecting plate.

[0015] In a preferred embodiment, the inner side of the side plate has a reinforcing plate, and the two ends of the reinforcing plate are respectively connected to the engine connecting plate and the wiring plate.

[0016] In a preferred embodiment, the reinforcing plate abuts against the bonding connecting plate.

[0017] In a preferred embodiment, the wire guide plate is provided with a plurality of wire guide holes.

[0018] In a preferred embodiment, the wire guide plate is disposed above the support mounting block.

[0019] In a preferred embodiment, a second reinforcing rib is provided on the front counterweight mounting plate;

[0020] The second reinforcing rib connects the front counterweight mounting plate and the side plate, thereby enhancing the connection strength between the front counterweight mounting plate and the side plate.

[0021] In a preferred embodiment, a notch is provided at the connection point of the side plate near the end of the front counterweight mounting plate.

[0022] Secondly, this utility model also provides a tractor that includes the welded front bracket described in any of the above claims.

[0023] The beneficial effects of this utility model embodiment are:

[0024] By integrating the front counterweight mounting plate, side plates, and engine connecting plate into a single frame, the front axle, engine, water tank, battery, cooling pack, and counterweight are integrated, reducing parts and welds and significantly reducing weight. The side plates are transversely connected to the hood lock mounting plate, wiring plate, and front axle mounting plate, improving overall torsional rigidity. The battery tray is built-in, while the cooling bracket and water tank mounting plate are external, resulting in a compact layout. The engine connecting plate has fitting connecting plates at both ends, which directly fit the inner side of the side plates, forming a rigid force transmission channel and avoiding stress concentration caused by traditional welded support plates. The front counterweight is welded and integrated with the bracket, lowering the overall center of gravity and meeting the lightweight and anti-sinking requirements of paddy field tractors. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 A bottom view of the welding front bracket provided in an embodiment of this utility model;

[0027] Figure 2 A three-dimensional structural diagram of the welding front bracket provided in an embodiment of this utility model;

[0028] Figure 3 A three-dimensional structural schematic diagram of the welding front bracket provided in an embodiment of this utility model from another perspective;

[0029] Figure 4 An exploded view of the welding front bracket provided in an embodiment of this utility model.

[0030] Icons: 1-Front counterweight mounting plate; 2-Side plate; 3-Hood lock mounting plate; 4-Battery tray; 5-Radiator pack bracket; 6-Front axle mounting plate; 7-Reinforcing plate; 8-Radiator mounting plate; 9-Engine connecting plate; 10-Fitting connecting plate; 11-First reinforcing rib; 12-Second reinforcing rib; 13-Wire guide plate; 14-Support mounting block; 15-Wire guide hole; 16-Welding bevel. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0033] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0034] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0035] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0036] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] The following is combined Figures 1-4 The following describes some embodiments of the present invention in detail. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0038] In a first aspect, this utility model provides a welded front bracket, which includes a front counterweight mounting plate 1, a side plate 2, a hood lock mounting plate 3, a battery tray 4, a radiator support bracket 5, a cable guide plate 13, a water tank mounting plate 8, an engine connecting plate 9, a front axle mounting plate 6, and a support mounting block 14; two side plates 2 are disposed at opposite ends on the same side of the front counterweight mounting plate 1, and the engine connecting plate 9 is disposed at the end of the side plate 2 away from the front counterweight mounting plate 1, and the front counterweight mounting plate 1, side plate 2, engine connecting plate 9, and the other side plate 2 form a frame structure; the hood lock mounting plate 3, cable guide plate 13, battery tray 4, and front axle mounting plate 6 are each connected to the two side plates 2 at their respective ends; the support mounting block 14 is disposed on the front axle mounting plate 6 for mounting the front axle support; the radiator support bracket 5 and the water tank mounting plate 8 are both disposed on the outer side of the side plate 2; the two ends of the engine connecting plate 9 are provided with fitting connecting plates 10, which are disposed on the inner side of the side plate 2.

[0039] In this embodiment, the front bracket is composed of components such as a front counterweight mounting plate 1, two side plates 2, a hood lock mounting plate 3, a battery tray 4, a radiator support bracket 5, a cable guide plate 13, a water tank mounting plate 8, an engine connection plate 9, a front axle mounting plate 6, and a support base mounting block 14.

[0040] Specifically, in this embodiment, these components are weldable sheet metal or weldable castings, which are easy to position and weld in one go on a general-purpose fixture.

[0041] The front counterweight mounting plate 1 and the two side plates 2 are arranged in a "U" shape, and the engine connecting plate 9 closes the "U"-shaped opening to form a closed frame. The hood lock mounting plate 3, the cable guide plate 13, the battery tray 4, and the front axle mounting plate 6 all span across the two side plates 2, connecting the two side plates 2 into a rigid whole. The radiator bracket 5 and the water tank mounting plate 8 are fixed to the outside of the side plates 2, and the support mounting block 14 is fixed to the upper surface of the front axle mounting plate 6 for installing the front axle support. The two ends of the engine connecting plate 9 are provided with fitting connecting plates 10, which extend into the inside of the side plates 2 to achieve contact before welding, keeping the weld away from the main stress line and reducing stress concentration.

[0042] Specifically, in this embodiment, the closed frame seals off the force path, allowing any bending moment or torque transmitted from components such as the front axle, engine, counterweight, and radiator to be contained within the frame, avoiding torsional deformation caused by the "open" structure. The hood lock mounting plate 3, cable guide plate 13, battery tray 4, and front axle mounting plate 6 act as "crossbeams," transforming the side plates 2 into "double beams," significantly improving lateral stiffness. The externally mounted radiator bracket 5 and radiator mounting plate 8 provide independent support points without occupying internal space, reducing vibration coupling. The fitting connecting plates 10 at both ends of the engine connecting plate 9 directly introduce the forces from the engine and the front axle rear support into the frame corners, minimizing the force flow and avoiding secondary welds and stress concentrations caused by the additional welding of support plates required in traditional brackets.

[0043] During assembly, the front counterweight mounting plate 1 and the engine connecting plate 9 are first spot welded to the two side plates 2 for positioning. Then, the engine cover lock mounting plate 3, battery tray 4, cable guide plate 13, and front axle mounting plate 6 are welded in sequence. Subsequently, the radiator bracket 5 and water tank mounting plate 8 are welded to the outside of the side plate 2. Finally, the support mounting block 14 is welded to the upper surface of the front axle mounting plate 6.

[0044] In a preferred embodiment, the inner side of the side plate 2 has a welding bevel 16, and the connecting plate 10 and the side plate 2 are welded at the welding bevel 16.

[0045] In this embodiment, the welding groove 16 is formed by partially chamfering the upper edges of the two inner edges of the side plate. Specifically, the chamfer is a 45° chamfer, and the width of the chamfer is less than half the thickness of the side plate. The edge of the connecting plate 10 and the welding groove 16 form an isosceles triangular gap. During welding, only the fillet weld is applied to the inclined surface of the welding groove. No additional deep groove is required, and it will not penetrate the side plate 2.

[0046] It is understood that the welding bevel 16 in this embodiment is a 45° chamfer, but it can also be other types of chamfers, such as a 30° chamfer, a 60° chamfer, or a rounded corner, as long as it can form a welding bevel 16 and facilitate the welding of the bonding connecting plate 10 and the side plate 2.

[0047] In a preferred embodiment, the engine connecting plate 9 is provided with a first reinforcing rib 11; the first reinforcing rib 11 connects the engine connecting plate 9 and the bonding connecting plate 10, and is used to enhance the strength between the engine connecting plate 9 and the bonding connecting plate 10.

[0048] In this embodiment, a triangular first reinforcing rib 11 is integrally cast or welded between the engine connecting plate 9 and each bonding connecting plate 10; the first reinforcing rib 11 is a triangular plate structure, with its two right-angled sides connected to the plate surfaces of the engine connecting plate 9 and the bonding connecting plate 10 respectively.

[0049] Specifically, in this embodiment, a first reinforcing rib 11 is provided at both ends of the engine connecting plate 9 to enhance the connection strength between the two bonding connecting plates 10 and the engine connecting plate 9.

[0050] More specifically, in this embodiment, multiple first reinforcing ribs 11 are connected on the same bonding connecting plate 10 to further ensure the connection strength and connection stability between the bonding connecting plate 10 and the engine connecting plate 9.

[0051] In a preferred embodiment, the inner side of the side plate 2 has a reinforcing plate 7, and the two ends of the reinforcing plate 7 are respectively connected to the engine connecting plate 9 and the wire guide plate 13.

[0052] In this embodiment, a trapezoidal reinforcing plate 7 is provided on the inner side wall of the side plate 2. One end of the reinforcing plate 7 is connected to the engine connecting plate 9, and the two ends of the wire guide plate 13 abut against the other ends of the two reinforcing plates 7 respectively.

[0053] In this embodiment, the connection between the reinforcing plate 7 and the side plate 2 can be welding or bolt fixing.

[0054] In this embodiment, the connection between the wire guide plate 13 and the reinforcing plate 7 can be a simple abutment, or they can be abutted and then welded together to form a more stable structure.

[0055] In a preferred embodiment, the reinforcing plate 7 abuts against the bonding connecting plate 10.

[0056] In this embodiment, the reinforcing plate 7 is connected to the engine connecting plate 9 at the end of the connecting plate 10, and the outer surface of the reinforcing plate 7 is flush with the outer surface of the connecting plate 10.

[0057] In a preferred embodiment, the wire guide plate 13 is provided with a plurality of wire guide holes 15.

[0058] In this embodiment, the cable guide plate 13 is a long, thin plate with multiple circular cable guide holes 15 evenly distributed along its length. The hole diameter is optimized according to the pipeline diameter, and the hole spacing is greater than or equal to twice the hole diameter. The edges are rounded. The cable guide plate 13 is connected to the side plate 2 or the reinforcing plate 7 by fillet welds.

[0059] Specifically, in this embodiment, the diameter of each wire hole 15 can be the same or different.

[0060] In this embodiment, pipeline classification and management are achieved through the through-hole 15. Radiator coolant pipes, battery cables, sensor harnesses, etc., can be selected according to their diameter to avoid cross-entanglement. The rounded corner design eliminates stress concentration sources at the hole edges and reduces the risk of plate tearing. The through-hole plate 13 itself acts as a protective cover to prevent splashes from damaging the pipelines during operation, while also providing indirect support for the battery support plate 4 and sharing part of the vertical load. Its elongated design follows the longitudinal force flow of the side plate 2 and does not create abrupt changes in stiffness.

[0061] During assembly, the pipelines are pre-bundled and passed through the corresponding cable holes 15, and then fixed to the cable plate 13 with clamps. When welding the cable plate 13 to the side plate 2, a skip welding process is used to prevent thermal deformation. During maintenance, the pipelines can be replaced by loosening the clamps without disassembling the cable plate 13.

[0062] In this embodiment, the wire passage hole 15 is a circular hole, but it is not limited to a circular hole. It can also be other types of hole structures. For example, the wire passage hole 15 can be changed to an oblong hole to accommodate pipelines of multiple diameters. As long as the pipeline can pass through, it is acceptable.

[0063] In a preferred embodiment, the wire guide plate 13 is disposed above the support mounting block 14.

[0064] In this embodiment, the wire guide plate 13 is positioned directly above the support mounting block 14, and the two are vertically projected and overlap in the vertical direction; a predetermined gap is reserved between the lower surface of the wire guide plate 13 and the upper surface of the support mounting block 14, forming a "stacked and slightly spaced" layout.

[0065] When the support mounting block 14 is impacted downward by the front axle support, the gap of the wire guide plate 13 can accommodate instantaneous displacement and avoid rigid collision; the wire guide plate 13 also serves as a local reinforcement plate 7 to improve the torsional stiffness of the area; at the same time, the wire guide plate 13 provides secondary protection for the heat dissipation core body pipeline to prevent gravel from hitting the pipeline from below; its stacked layout makes reasonable use of longitudinal space and reduces the lateral size of the tractor front.

[0066] In a preferred embodiment, a second reinforcing rib 12 is provided on the front counterweight mounting plate 1; the second reinforcing rib 12 connects the front counterweight mounting plate 1 and the side plate 2, and is used to enhance the connection strength between the front counterweight mounting plate 1 and the side plate 2.

[0067] In this embodiment, a second reinforcing rib 12 is welded at the connection between the front counterweight mounting plate 1 and the side plate 2. The second reinforcing rib 12 is triangular, and the surfaces of the front mounting plate, the side plate 2, and the second reinforcing rib 12 are perpendicular to each other. The two right-angled sides of the second reinforcing rib 12 are welded to the front counterweight mounting plate 1 and the side plate 2, respectively.

[0068] In this embodiment, the second reinforcing rib 12 directly transfers the bending moment of the front counterweight mounting plate 1 to the side plate 2, avoiding excessive tensile and compressive stress at the root of the front counterweight mounting plate 1; at the same time, the reinforcing rib improves the lateral bending stiffness of the front counterweight mounting plate 1 and reduces deformation when attaching the counterweight plates; in addition, the reinforcing rib and the side plate 2 form a closed area, providing additional support points for the front axle limit and sharing the longitudinal load of the side plate 2.

[0069] In a preferred embodiment, a notch is provided at the connection point of the side plate 2 near the front counterweight mounting plate 1.

[0070] In this embodiment, a notch is made at the connection point of the side plate 2 near the front counterweight mounting plate 1, and the notch is located at the upper edge of the side plate 2. The edge of the notch is rounded, and the remaining part of the side plate 2 at the notch forms a step.

[0071] The notch lowers the mounting surface of the front counterweight mounting plate 1, thereby lowering the center of gravity of the vehicle and improving the stability of paddy field operations.

[0072] The notch is produced by CNC plasma cutting or one-piece molding, and then deburring is performed to ensure the smoothness of the edges.

[0073] In this embodiment, the shape of the notch can be set arbitrarily. For example, the notch can be set as a semi-circle, which further reduces stress concentration but increases the amount of material removed. As long as it can reduce the mounting surface of the counterweight plate, it is acceptable.

[0074] Secondly, this utility model also provides a tractor that includes the welded front bracket of any of the above-mentioned components.

[0075] The beneficial effects of this utility model embodiment are:

[0076] By forming an integrated frame with the front counterweight mounting plate 1, the two side plates 2, and the engine connecting plate 9, the front axle, engine, water tank, battery, cooling pack, and counterweight are integrated and installed, reducing parts and welds and significantly reducing weight. The side plates 2 are transversely connected with the hood lock mounting plate 3, the cable guide plate 13, and the front axle mounting plate 6, improving the overall torsional rigidity. The battery tray 4 is built-in, while the cooling bracket and water tank mounting plate 8 are external, resulting in a compact layout. The engine connecting plate 9 has fitting connecting plates 10 at both ends, which are directly fitted to the inner side of the side plates 2 to form a rigid force transmission channel, avoiding stress concentration caused by traditional welded support plates. The front counterweight is welded and integrated with the bracket, lowering the overall vehicle center of gravity and meeting the lightweight and anti-sinking requirements of paddy field tractors.

[0077] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pre-weld carrier, characterized in that, This includes the front counterweight mounting plate, side plates, hood lock mounting plate, battery tray, radiator bracket, cable guide plate, water tank mounting plate, engine connection plate, front axle mounting plate, and support base mounting block; The two side plates are disposed at opposite ends on the same side of the front counterweight mounting plate, and the engine connecting plate is disposed at the end of the side plate away from the front counterweight mounting plate. The front counterweight mounting plate, the side plate, the engine connecting plate, and the other side plate form a frame structure. The hood lock mounting plate, the cable guide plate, the battery support plate, and the front axle mounting plate are all connected to two side plates at each end; The support mounting block is disposed on the front axle mounting plate and is used to install the front axle support. The heat dissipation pack bracket and the water tank mounting plate are both located on the outside of the side plate; The engine connecting plate has fitting connecting plates at both ends, and the fitting connecting plates are located on the inner side of the side plate.

2. The pre-weld carrier of claim 1, wherein, The inner side of the side plate has a welding bevel, and the bonding connecting plate is welded to the side plate at the welding bevel.

3. The pre-weld carrier of claim 1, wherein, The engine connecting plate is provided with a first reinforcing rib; The first reinforcing rib connects the engine connecting plate and the bonding connecting plate, thereby enhancing the strength between the engine connecting plate and the bonding connecting plate.

4. The pre-weld carrier of claim 1, wherein, The inner side of the side plate has a reinforcing plate, and the two ends of the reinforcing plate are respectively connected to the engine connecting plate and the wiring plate.

5. The pre-weld carrier of claim 4, wherein, The reinforcing plate abuts against the bonding connecting plate.

6. The weld front carrier of claim 1, wherein, The cable guide plate is provided with multiple cable guide holes.

7. The pre-weld carrier of claim 1, wherein, The cable guide plate is positioned above the support mounting block.

8. The weld front carrier of claim 1, wherein, The front counterweight mounting plate is provided with a second reinforcing rib; The second reinforcing rib connects the front counterweight mounting plate and the side plate, thereby enhancing the connection strength between the front counterweight mounting plate and the side plate.

9. The welding pre-bracket according to claim 1, characterized in that, A notch is provided at the connection point of the side plate near the front counterweight mounting plate.

10. A tractor characterised in that, Includes the welding front bracket as described in any one of claims 1-9.

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