Box-type front frame and tractor

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a box type front frame and a tractor. The box type front frame comprises a first connecting assembly, a second connecting assembly, two cross beam assemblies arranged oppositely and a reinforcing assembly. The first connecting assembly and the second connecting assembly are arranged at the two ends of the cross beam assembly in the length direction correspondingly to define a frame structure. The cross beam assembly is of a hollow box type structure. The first reinforcing piece is embedded in the cross beam assembly and is connected with two opposite inner walls in the cross beam assembly; the second reinforcing piece is arranged between the first connecting assembly and the cross beam assembly. The first reinforcing piece is arranged in the cross beam assembly, so that the mechanical structure strength of the front frame is improved while the weight and the cost are reduced, and it is guaranteed that the front frame has good bearing capacity; in addition, the bending resistance and the torsion resistance of the front frame can be further improved by arranging the second reinforcing piece, and therefore the reliability of the front frame is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a box-type front frame and a tractor. Background Art

[0002] At present, tractors are divided into two typical structures according to the chassis structure: frameless type and frame type. Among them, the chassis structure of high-horsepower articulated tractors basically adopts a frame structure, and is composed of a front frame, a rear frame and an articulated frame assembly respectively; during operation, the load is transmitted through the front and rear frames and the articulation. If the performance of the mechanical structure of the front frame is insufficient, defects such as deformation and cracks are prone to occur, reducing the reliability of the frame. The method of improving the mechanical structure performance of the frame by increasing the plate thickness also has the defects of increased body weight and excessively high cost. Utility Model Content

[0003] In view of this, the purpose of the present application is to provide a box-type front frame and a tractor to solve the problem of increased body weight and excessive cost in the existing tractor in which the mechanical structural performance of the front frame is improved by increasing the plate thickness.

[0004] The first aspect of the utility model provides a box-type front frame, wherein the box-type front frame comprises a first connecting assembly, a second connecting assembly, two cross beam assemblies arranged opposite to each other, and a reinforcing assembly;

[0005] The first connecting assembly and the second connecting assembly are respectively arranged at two ends of the cross beam assembly in the length direction to form a frame structure; the cross beam assembly is formed into a box-type structure with a hollow interior;

[0006] The reinforcement assembly includes a first reinforcement member and a second reinforcement member. The first reinforcement member is embedded in the interior of the beam assembly and connected to two inner walls of the beam assembly that are opposite to each other. The second reinforcement member is arranged between the first connection assembly and the beam assembly.

[0007] Preferably, the first reinforcement is formed as a bent plate-like structure, and the crossbeam assembly is provided with a first through hole corresponding to the first reinforcement, for plug welding connection between the crossbeam assembly and the first reinforcement.

[0008] Preferably, a plurality of the second reinforcement members are provided, and the plurality of the second reinforcement members are arranged at intervals along the height direction;

[0009] The second reinforcement members are disposed both inside and outside the frame structure.

[0010] Preferably, the crossbeam assembly comprises:

[0011] a first top plate, forming a top wall of the crossbeam assembly;

[0012] A main vertical plate, forming an outer wall of the crossbeam assembly;

[0013] An inner vertical plate, arranged relative to the main vertical plate and forming an inner wall of the crossbeam assembly;

[0014] a first bottom plate assembly disposed relative to the first top plate and forming a bottom wall of the crossbeam assembly;

[0015] Sealing plates, arranged on both sides of the inner standing plate;

[0016] A pasting plate is arranged on a side of the beam assembly close to the first connecting assembly, and the pasting plate is connected to the first bottom plate assembly and the first connecting assembly.

[0017] Preferably, the crossbeam assembly further comprises:

[0018] A first support member, disposed on the first top plate, the first support member having a first bearing portion disposed above the first top plate and a first supporting portion disposed between the first bearing portions of the first top plate;

[0019] The second support member is arranged on the inner vertical plate, and the second support member comprises a second bearing portion which is arranged horizontally and a second supporting portion which is arranged below the second bearing portion and connected to the inner vertical plate.

[0020] Preferably, the first connection component comprises:

[0021] a first connecting plate, forming a top wall of the first connecting assembly, the first connecting plate being formed with a connecting portion extending toward the cross beam assembly, the connecting portion being provided with a second through hole for plug welding connection between the first connecting assembly and the cross beam assembly;

[0022] a first vertical plate, forming a side wall of the first connecting assembly, wherein the second reinforcement member is arranged at an angle to the first vertical plate;

[0023] a second connecting plate, forming a bottom wall of the first connecting assembly;

[0024] The first connecting plate and the second connecting plate are both provided with bearing seats.

[0025] Preferably, a protruding hinged support plate is provided on the side of the first vertical plate facing away from the crossbeam assembly for mounting the oil cylinder;

[0026] The reinforcement assembly further includes a third reinforcement member disposed on a side of the first vertical plate facing the crossbeam assembly, the third reinforcement member being connected to the first connecting plate or the second connecting plate, and the third reinforcement member being disposed correspondingly to the hinged support plate.

[0027] Preferably, the second connecting component comprises:

[0028] A second top plate, forming a top wall of the second connecting assembly, the second top plate being connected to the first top plate;

[0029] A second vertical plate, forming a side wall of the second connecting assembly, the second vertical plate being connected to the main vertical plate;

[0030] The second bottom plate forms the bottom wall of the second connecting assembly, and the second bottom plate is connected to the first bottom plate assembly.

[0031] Preferably, the box-type front frame further comprises a third connecting assembly, and the two ends of the third connecting assembly in the length direction are respectively connected to the two cross beam assemblies to separate the frame structure into two parts;

[0032] The third connection component comprises:

[0033] A third top plate, forming a top wall of the third connecting assembly, the third top plate being connected to the first top plate;

[0034] A third vertical plate, forming a side wall of the third connecting assembly, the third vertical plate being connected to the main vertical plate;

[0035] The third bottom plate forms the bottom wall of the third connecting assembly, and the third bottom plate is connected to the first bottom plate assembly.

[0036] A second aspect of the utility model provides a tractor, comprising the box-type front frame described in any of the above technical solutions.

[0037] Compared with the prior art, the beneficial effects of the utility model are:

[0038] The box-type front frame of the utility model is formed into a main frame structure of the front frame by a first connecting assembly, a second connecting assembly and two cross beam assemblies; the cross beam assembly is formed into a box-type structure with a hollow interior, and a first reinforcing member is arranged inside the hollow cross beam assembly to improve the structural strength of the cross beam assembly, thereby reducing the weight and cost while improving the mechanical structural strength of the front frame, ensuring that the front frame has a good load-bearing capacity; in addition, a second reinforcing member is added between the first connecting assembly and the cross beam assembly, which can further improve the bending and torsion resistance of the front frame, thereby ensuring the reliability of the front frame.

[0039] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0041] Figure 1 A schematic structural diagram of a box-type front frame provided in an embodiment of the utility model;

[0042] Figure 2 A schematic structural diagram of a box-type front frame provided in an embodiment of the utility model from another perspective;

[0043] Figure 3 A schematic structural diagram of a first connecting assembly in a box-type front frame provided in an embodiment of the utility model;

[0044] Figure 4 An enlarged schematic diagram of a partial structure of a box-type front frame provided in an embodiment of the utility model at another viewing angle;

[0045] Figure 5 A schematic structural diagram of a crossbeam assembly in a box-type front frame provided by an embodiment of the utility model;

[0046] Figure 6 for Figure 5 A schematic diagram of the structure enlargement in the middle;

[0047] Figure 7 A schematic structural diagram of a cross beam assembly in a box-type front frame provided by an embodiment of the utility model from another perspective;

[0048] Figure 8 A schematic structural diagram of a cross beam assembly in a box-type front frame provided by an embodiment of the utility model from another perspective;

[0049] Fig. 9 A schematic structural diagram of a center plate of a box-type front frame provided in an embodiment of the utility model.

[0050] Icons: 1-first connecting assembly; 11-first connecting plate; 111-connecting portion; 1111-second through hole; 12-first vertical plate; 13-second connecting plate; 14-bearing seat; 15-hinge support plate; 2-second connecting assembly; 21-second top plate; 22-second vertical plate; 23-second bottom plate; 3-third connecting assembly; 31-third top plate; 32-third vertical plate; 33-third bottom plate; 4-crossbeam assembly; 41-first top plate; 42-main vertical plate; 43 -inner vertical plate; 431-first through hole; 44-first bottom plate assembly; 441-front bottom plate; 442-front mounting plate; 443-bent plate; 444-rear mounting plate; 445-rear bottom plate; 45-sealing plate; 46-sticking plate; 51-first reinforcement member; 52-second reinforcement member; 53-third reinforcement member; 61-first supporting member; 611-first bearing portion; 612-first supporting portion; 62-second supporting member; 621-second bearing portion; 622-second supporting portion. DETAILED DESCRIPTION

[0051] The following specific embodiments are provided to help the reader obtain a comprehensive understanding of the methods, devices and / or systems described herein. However, after understanding the disclosure of the present application, various changes, modifications and equivalents of the methods, devices and / or systems described herein will be apparent. For example, the order of operations described herein is merely an example, and is not limited to the order set forth herein, but in addition to the operations that must occur in a particular order, changes that will be apparent after understanding the disclosure of the present application may be made. In addition, in order to improve clarity and brevity, descriptions of features known in the art may be omitted.

[0052] The features described herein may be implemented in different forms and should not be interpreted as being limited to the examples described herein. Rather, the examples described herein have been provided only to illustrate some of the many possible ways of implementing the methods, devices and / or systems described herein that will be apparent after understanding the disclosure of the present application.

[0053] Throughout the specification, when an element (such as a layer, a region, or a substrate) is described as being “on”, “connected to”, “bound to”, “over”, or “covering” another element, it may be directly “on”, “connected to”, “bound to”, “over”, or “covering” another element, or one or more other elements may be present between them. In contrast, when an element is described as being “directly on”, “directly connected to”, “directly bound to”, “directly over”, or “directly covering” another element, there may be no other elements present between them.

[0054] As used herein, the term "and / or" includes any one of the associated listed items and any combination of any two or more items.

[0055] Although terms such as "first," "second," and "third" may be used herein to describe various members, components, regions, layers, or portions, these members, components, regions, layers, or portions are not limited by these terms. Rather, these terms are only used to distinguish one member, component, region, layer, or portion from another member, component, region, layer, or portion. Therefore, without departing from the teachings of the examples described herein, the first member, component, region, layer, or portion referred to may also be referred to as the second member, component, region, layer, or portion.

[0056] For ease of description, spatial relational terms such as "above", "upper", "below", and "lower" may be used herein to describe the relationship of one element to another element as shown in the accompanying drawings. Such spatial relational terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, an element described as being "above" or "upper" relative to another element will subsequently be "below" or "lower" relative to the other element. Therefore, the term "above" includes both "above" and "below" orientations depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relational terms used herein will be interpreted accordingly.

[0057] The terms used herein are only used to describe various examples and are not used to limit the present disclosure. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms "include", "comprise" and "have" list the stated features, quantities, operations, components, elements and / or their combinations that exist, but do not exclude the existence or addition of one or more other features, quantities, operations, components, elements and / or their combinations.

[0058] Variations in the shapes shown in the drawings may occur due to manufacturing techniques and / or tolerances. Therefore, the examples described herein are not limited to the specific shapes shown in the drawings but include variations in shapes that occur during manufacturing.

[0059] The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have various configurations, other configurations are possible as will be apparent after understanding the disclosure of the present application.

[0060] According to a first aspect of the utility model, a box-type front frame is provided, which includes a first connecting assembly 1, a second connecting assembly 2, two cross beam assemblies 4 and a reinforcing assembly.

[0061] Hereinafter, the specific structures of the above-mentioned components of the box-type front frame according to the present embodiment will be described.

[0062] In this embodiment, if Figure 1 and Figure 2 As shown, two cross beam assemblies 4 are arranged opposite to each other, and the two cross beam assemblies 4 are arranged in mirror symmetry along the length direction of the vehicle body. Specifically, the cross beam assembly 4 extends along the length direction of the vehicle body, and the two cross beam assemblies 4 are arranged at intervals along the width direction of the vehicle body. The first connecting assembly 1 and the second connecting assembly 2 are respectively arranged at both ends of the cross beam assembly 4 in the length direction to form a frame structure. In this embodiment, along the length direction of the vehicle body, the second connecting assembly 2 is located in front of the first connecting assembly 1.

[0063] More specifically, in this embodiment, if Figures 5 to 8 As shown, the cross beam assembly 4 is formed into a box-type structure with a hollow interior, that is, the cross beam assembly 4 is not a solid structure, which reduces the weight of the front frame and reduces the cost.

[0064] In this embodiment, if Figure 5 and Figure 6 As shown, the reinforcement assembly includes a first reinforcement member 51, which is embedded in the cross beam assembly 4 and connected to two inner walls opposite to each other in the cross beam assembly 4 to improve the structural strength of the cross beam assembly 4. In this way, the mechanical structural strength of the front frame is improved while reducing weight and cost, ensuring that the front frame has a good load-bearing capacity.

[0065] Specifically, the first reinforcement 51 is arranged between two side walls extending in the length direction of the vehicle body in the cross beam assembly 4. In a preferred embodiment, the first reinforcement 51 is formed into a bent plate-like structure, and a first through hole 431 corresponding to the first reinforcement 51 is provided on the cross beam assembly 4, which is used for plug welding connection between the cross beam assembly 4 and the first reinforcement 51 to improve the connection strength. In this embodiment, the first reinforcement 51 can be formed into a concave structure, wherein the bottom of the concave structure is arranged toward the first through hole 431, and the first through hole 431 is formed into a strip hole extending in the length direction of the vehicle body to further improve the welding connection strength.

[0066] Preferably, a plurality of first reinforcement members 51 are provided, and the plurality of first reinforcement members 51 are arranged at intervals along the length direction of the vehicle body and / or along the height direction of the vehicle body to further enhance the structural strength of the cross beam assembly 4. The first through holes 431 are arranged one by one with the first reinforcement members 51.

[0067] In addition, in this embodiment, if Figure 1 , Figure 2 and Figure 4 As shown, the reinforcement assembly further includes a second reinforcement member 52, and the second reinforcement member 52 is arranged between the first connection assembly 1 and the cross beam assembly 4, so as to further enhance the bending and torsional resistance of the front frame, thereby ensuring the reliability of the front frame.

[0068] Preferably, the second reinforcement member 52 is formed into a triangular plate-like structure and is respectively welded to the first connecting assembly 1 and the crossbeam assembly 4 to ensure that the second reinforcement member 52 effectively improves the bending and torsional resistance of the front frame.

[0069] In a preferred embodiment, Figure 1 , Figure 2 and Figure 4 As shown, the second reinforcement 52 is formed into a horizontally arranged plate-like structure, and a plurality of second reinforcements 52 are provided. The plurality of second reinforcements 52 are arranged at intervals along the height direction (i.e., the height direction of the vehicle body), so that the second reinforcement 52 can effectively support the front frame and ensure that the front frame is stable and reliable.

[0070] Furthermore, in this embodiment, if Figure 1 , Figure 2 and Figure 4 As shown, the second reinforcement 52 is provided both inside and outside the frame structure, that is, the second reinforcement 52 is provided on the side of the first connecting component 1 facing the second connecting component 2 and the side of the first connecting component 1 facing away from the second connecting component 2, thereby further improving the bending and torsion resistance of the front frame.

[0071] In this embodiment, if Figure 5 , Figure 7 and Figure 8 As shown, the cross beam assembly 4 is formed by splicing a plurality of plate-like structures. Specifically, the cross beam assembly 4 includes a first top plate 41, a main vertical plate 42, an inner vertical plate 43 and a first bottom plate assembly 44. The first top plate 41 forms the top wall of the cross beam assembly 4; the main vertical plate 42 forms the outer wall of the cross beam assembly 4; the inner vertical plate 43 is arranged relative to the main vertical plate 42 and forms the inner wall of the cross beam assembly 4; the first bottom plate assembly 44 is arranged relative to the first top plate 41 and forms the bottom wall of the cross beam assembly 4. The first top plate 41, the main vertical plate 42, the inner vertical plate 43 and the bottom plate assembly all extend along the length direction of the vehicle body. The first top plate 41 and the bottom plate assembly are located on both sides of the cross beam assembly 4 in the height direction of the vehicle body. The main vertical plate 42 and the inner vertical plate 43 are located on both sides of the cross beam assembly 4 in the width direction of the vehicle body. The first reinforcement 51 as described above is arranged between the main vertical plate 42 and the inner vertical plate 43.

[0072] More specifically, the first floor plate assembly 44 includes a front floor plate 441, a front mounting plate 442, a bent plate 443, a rear mounting plate 444 and a rear floor plate 445 which are sequentially connected along the length direction of the vehicle body, wherein the front mounting plate 442, the bent plate 443 and the rear mounting plate 444 are positioned above the front floor plate 441 and the rear floor plate 445, so that a groove structure is formed at the bottom of the cross beam assembly 4 for assembling components such as wheels.

[0073] In this embodiment, if Figure 5 , Figures 7 to 9 As shown, the cross beam assembly 4 also includes a sealing plate 45 and a pasting plate 46. The sealing plate 45 is arranged on both sides of the inner vertical plate 43 in the length direction of the vehicle body to close the opening surrounded by the first top plate 41, the main vertical plate 42, the inner vertical plate 43 and the first bottom plate assembly 44 and located on both sides of the length direction of the vehicle body; the pasting plate 46 is arranged on one side of the cross beam assembly 4 close to the first connecting assembly 1, and is connected to the first bottom plate assembly 44 and the first connecting assembly 1 to improve the structural strength of the main vertical plate 42, thereby ensuring a reliable connection between the cross beam assembly 4 and the first connecting assembly 1.

[0074] In addition, in this embodiment, Figure 1 , Figure 5 and Figure 7 As shown, the cross beam assembly 4 further includes a first support member 61 and a second support member 62 for mounting the engine. Along the length direction of the vehicle body, the first support member 61 is arranged in front of the second support member 62 .

[0075] Specifically, the first support member 61 is disposed on the first top plate 41, and the first support member 61 has a first bearing portion 611 disposed above the first top plate 41 and a first support portion 612 disposed between the first bearing portions 611 of the first top plate 41, the first bearing portion 611 is formed as a horizontally disposed plate-like structure, the first supporting portion 612 is formed as a plate-like structure disposed at an angle to the first bearing portion 611, and preferably a plurality of first supporting portions 612 are provided, and the plurality of first supporting portions 612 are spaced apart along the length direction of the vehicle body. The second support member 62 is disposed on the inner vertical plate 43, and the second support member 62 has a horizontally disposed second bearing portion 621 and a second supporting portion 622 disposed below the second bearing portion 621 and connected to the inner vertical plate 43, the second bearing portion 621 is formed as a horizontally disposed plate-like structure, the second supporting portion 622 is formed as a plate-like structure disposed at an angle to the second bearing portion 621, and preferably a plurality of second supporting portions 622 are provided, and the plurality of second supporting portions 622 are spaced apart along the length direction of the vehicle body. The first support portion 612 and the second support portion 622 may both be formed as triangular plate-like structures.

[0076] Furthermore, in this embodiment, if Figures 1 to 4As shown, the first connecting component 1 includes a first connecting plate 11, a first vertical plate 12 and a second connecting plate 13. The first connecting plate 11 forms the top wall of the first connecting component 1, and the second connecting plate 13 forms the bottom wall of the first connecting component 1; the first connecting plate 11 and the second connecting plate 13 are both formed as horizontally arranged plate-like structures, and the first connecting plate 11 is formed with a connecting portion 111 extending toward the crossbeam component 4, and the connecting portion 111 is arranged one-to-one with the crossbeam component 4. The connecting portion 111 is provided with a second through hole 1111 for plug welding connection between the first connecting component 1 and the crossbeam component 4, thereby ensuring that the first connecting component 1 and the crossbeam component 4 are reliably connected. The second through hole 1111 is preferably formed as a strip hole extending along the length direction of the vehicle body to further ensure the connection strength between the first connecting component 1 and the crossbeam component 4.

[0077] The first vertical plate 12 forms a side wall of the first connecting assembly 1, and the second reinforcement 52 as described above is connected to the first vertical plate 12 and is arranged at an angle relative to the first vertical plate 12; in this embodiment, two first vertical plates 12 are provided, and the two first vertical plates 12 are arranged at intervals along the width direction of the vehicle body.

[0078] In this embodiment, if Figure 3 As shown, the first connecting plate 11 and the second connecting plate 13 are both provided with bearing seats 14 for mounting bearings to meet the articulation requirements of the front frame.

[0079] In addition, in this embodiment, Figure 4 As shown, a protruding hinged support plate 15 is provided on the side of the first vertical plate 12 facing away from the cross beam assembly 4 for installing the oil cylinder. The hinged support plate 15 is arranged parallel to the second connecting plate 13 , and the oil cylinder can be installed between the hinged support plate 15 and the second connecting plate 13 .

[0080] In a preferred embodiment, Figure 3 As shown, the reinforcement assembly also includes a third reinforcement member 53 disposed on the side of the first vertical plate 12 facing the cross beam assembly 4, the third reinforcement member 53 is connected to the first connecting plate 11 or the second connecting plate 13, and the third reinforcement member 53 is disposed corresponding to the hinged support plate 15 (that is, the third reinforcement member 53 is disposed on the back side of the first vertical plate 12 where the hinged support plate 15 is disposed, so as to improve the rigidity of the hinged cylinder position. The third reinforcement member 53 can also be formed into a plate-like structure similar to a triangle.

[0081] It should be noted that the reinforcement component can also be formed into a rod-shaped structure, and the two components connected to it form a triangle to improve the overall rigidity of the structure.

[0082] In this embodiment, if Figure 1 and Figure 2As shown, the second connecting assembly 2 includes a second top plate 21, a second vertical plate 22 and a second bottom plate 23. The second top plate 21 forms the top wall of the second connecting assembly 2, and the second top plate 21 is connected to the first top plate 41 as described above; the second vertical plate 22 forms the side wall of the second connecting assembly 2, and the second vertical plate 22 is connected to the main vertical plate 42 as described above; the second bottom plate 23 forms the bottom wall of the second connecting assembly 2, and the second bottom plate 23 is connected to the first bottom plate assembly 44 as described above. The second top plate 21, the second vertical plate 22 and the second bottom plate 23 are strip-shaped plate structures extending in the width direction of the vehicle body, and the second top plate 21 and the second bottom plate 23 are arranged parallel to each other. The second vertical plate 22 is arranged perpendicular to the second top plate 21 and the second bottom plate 23.

[0083] Furthermore, in this embodiment, if Figure 1 and Figure 2 As shown, the box-type front frame also includes a third connecting component 3. Specifically, the third connecting component 3 is respectively connected to two cross beam components 4 at both ends in the length direction, that is, the third connecting component 3 is arranged between the first connecting component 1 and the second connecting component 2 to separate the frame structure into two parts for installing different module units of the tractor.

[0084] Specifically, the third connecting assembly 3 includes a third top plate 31, a third vertical plate 32 and a third bottom plate 33. The third top plate 31 forms the top wall of the third connecting assembly 3, and the third top plate 31 is connected to the first top plate 41 as described above; the third vertical plate 32 forms the side wall of the third connecting assembly 3, and the third vertical plate 32 is connected to the main vertical plate 42 as described above; the third bottom plate 33 forms the bottom wall of the third connecting assembly 3, and the third bottom plate 33 is connected to the first bottom plate assembly 44 as described above. The third top plate 31, the third vertical plate 32 and the third bottom plate 33 are all formed into a strip-shaped plate-like structure extending in the width direction of the vehicle body, and the third top plate 31 and the third bottom plate 33 are arranged parallel to each other. The third vertical plate 32 is arranged perpendicular to the third top plate 31 and the third bottom plate 33. The third vertical plate 32 can be arranged parallel to the second vertical plate 22 as described above.

[0085] It should be noted that, in this embodiment, the connection between the panels can be welding to ensure reliable connection, thereby helping to improve the mechanical structure strength of the front frame.

[0086] According to the box-type front frame of the utility model, the main frame structure of the front frame is surrounded by the first connecting assembly, the second connecting assembly and the two cross beam assemblies; the cross beam assembly is formed into a box-type structure with a hollow interior, and a first reinforcement member is arranged inside the hollow cross beam assembly to improve the structural strength of the cross beam assembly, thereby reducing the weight and cost while improving the mechanical structure strength of the front frame, ensuring that the front frame has a good load-bearing capacity; in addition, adding a second reinforcement member between the first connecting assembly and the cross beam assembly can further improve the bending and torsion resistance of the front frame, thereby ensuring the reliability of the front frame.

[0087] The second aspect of the utility model provides a tractor, comprising the box-type front frame as described above, and thus having all the beneficial technical effects of the box-type front frame, which will not be described in detail herein.

[0088] Finally, it should be noted that the above-described embodiments are only specific implementation methods of the present application, which are used to illustrate the technical solutions of the present application, rather than to limit them. The protection scope of the present application is not limited thereto. Although the present application is described in detail with reference to the above-described embodiments, ordinary technicians in the field should understand that any technician familiar with the technical field can still modify the technical solutions recorded in the above-described embodiments within the technical scope disclosed in the present application, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A box-type front frame, characterized in that: The box-type front frame comprises a first connecting assembly, a second connecting assembly, two cross beam assemblies arranged opposite to each other, and a reinforcing assembly; The first connecting assembly and the second connecting assembly are respectively arranged at two ends of the cross beam assembly in the length direction to form a frame structure; the cross beam assembly is formed into a box-type structure with a hollow interior; The reinforcement assembly includes a first reinforcement member and a second reinforcement member. The first reinforcement member is embedded in the interior of the beam assembly and connected to two inner walls of the beam assembly that are opposite to each other. The second reinforcement member is arranged between the first connection assembly and the beam assembly.

2. The box-type front frame according to claim 1, characterized in that: The first reinforcement is formed into a bent plate-like structure, and the crossbeam assembly is provided with a first through hole corresponding to the first reinforcement, which is used for plug welding connection between the crossbeam assembly and the first reinforcement.

3. The box-type front frame according to claim 1, characterized in that: There are a plurality of second reinforcement members, and the plurality of second reinforcement members are arranged at intervals along the height direction; The second reinforcement members are disposed both inside and outside the frame structure.

4. The box-type front frame according to claim 1, characterized in that: The crossbeam assembly comprises: a first top plate, forming a top wall of the crossbeam assembly; A main vertical plate, forming an outer wall of the crossbeam assembly; An inner vertical plate, arranged relative to the main vertical plate and forming an inner wall of the crossbeam assembly; a first bottom plate assembly disposed relative to the first top plate and forming a bottom wall of the crossbeam assembly; Sealing plates, arranged on both sides of the inner standing plate; A pasting plate is arranged on a side of the beam assembly close to the first connecting assembly, and the pasting plate is connected to the first bottom plate assembly and the first connecting assembly.

5. The box-type front frame according to claim 4, characterized in that: The crossbeam assembly further comprises: A first support member, disposed on the first top plate, the first support member having a first bearing portion disposed above the first top plate and a first supporting portion disposed between the first bearing portions of the first top plate; The second support member is arranged on the inner vertical plate, and the second support member comprises a second bearing portion which is arranged horizontally and a second supporting portion which is arranged below the second bearing portion and connected to the inner vertical plate.

6. The box-type front frame according to claim 1, characterized in that: The first connection component comprises: a first connecting plate, forming a top wall of the first connecting assembly, the first connecting plate being formed with a connecting portion extending toward the cross beam assembly, the connecting portion being provided with a second through hole for plug welding connection between the first connecting assembly and the cross beam assembly; a first vertical plate, forming a side wall of the first connecting assembly, wherein the second reinforcement member is arranged at an angle to the first vertical plate; a second connecting plate, forming a bottom wall of the first connecting assembly; The first connecting plate and the second connecting plate are both provided with bearing seats.

7. The box-type front frame according to claim 6, characterized in that: A protruding hinged support plate is provided on the side of the first vertical plate facing away from the crossbeam assembly for mounting the oil cylinder; The reinforcement assembly further includes a third reinforcement member disposed on a side of the first vertical plate facing the crossbeam assembly, the third reinforcement member being connected to the first connecting plate or the second connecting plate, and the third reinforcement member being disposed correspondingly to the hinged support plate.

8. The box-type front frame according to claim 4, characterized in that: The second connection component comprises: A second top plate, forming a top wall of the second connecting assembly, the second top plate being connected to the first top plate; A second vertical plate, forming a side wall of the second connecting assembly, the second vertical plate being connected to the main vertical plate; The second bottom plate forms the bottom wall of the second connecting assembly, and the second bottom plate is connected to the first bottom plate assembly.

9. The box-type front frame according to claim 4, characterized in that: The box-type front frame further includes a third connecting assembly, and the two ends of the third connecting assembly in the length direction are respectively connected to the two cross beam assemblies to separate the frame structure into two parts; The third connection component comprises: A third top plate, forming a top wall of the third connecting assembly, the third top plate being connected to the first top plate; A third vertical plate, forming a side wall of the third connecting assembly, the third vertical plate being connected to the main vertical plate; The third bottom plate forms the bottom wall of the third connecting assembly, and the third bottom plate is connected to the first bottom plate assembly.

10. A tractor, characterized in that: The box-type front frame comprises the box-type front frame as described in any one of claims 1 to 9.

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