CN220410713U - Skeleton texture and have its tractor - Google Patents

Abstract

The utility model provides a framework structure and a tractor with the framework structure, wherein the framework structure comprises: the outer frame support comprises a first connecting frame and a second connecting frame, the first connecting frame comprises a first vertical beam, a first cross beam and a second vertical beam, and the first vertical beam and the second vertical beam are arranged at two ends of the first cross beam; the second connecting frame is arranged below the first connecting frame and comprises a third vertical beam, a second cross beam and a fourth vertical beam, the third vertical beam and the fourth vertical beam are arranged at two ends of the second cross beam, the second cross beam is arranged opposite to the first cross beam, the third vertical beam is connected with the first vertical beam, and the fourth vertical beam is connected with the second vertical beam; the inner beam support is connected with the outer frame support, is arranged in an installation space surrounded by the outer frame support and is divided into a plurality of installation openings; the cover body part is arranged at the mounting opening. By adopting the technical scheme provided by the utility model, the problem that the framework structure in the prior art is inconvenient to mount a plurality of parts can be solved.

Description

Skeleton texture and have its tractor

Technical Field

The utility model relates to the technical field of tractors, in particular to a framework structure and a tractor with the framework structure.

Background

At present, tractors are widely used in production activities requiring use of large work machines, such as agriculture and industry, because tractors can draw and drive other work machines. In the prior art, a framework structure is typically provided on the body of the front section of the tractor to secure the hood body and other components.

However, the skeleton structure in the prior art is generally formed by injection molding, and the skeleton structure formed by injection molding generally has fewer mounting fixing points, so that a plurality of different cover bodies cannot be effectively concentrated on the same skeleton structure, the structure is not compact, and the condition that the same skeleton structure fixes a plurality of parts cannot be met.

Disclosure of Invention

The utility model mainly aims to provide a framework structure and a tractor with the framework structure, so as to solve the problem that the framework structure in the prior art is inconvenient to mount a plurality of components.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a skeletal structure comprising:

the outer frame support comprises a first connecting frame and a second connecting frame, the first connecting frame comprises a first vertical beam, a first cross beam and a second vertical beam which are sequentially connected, the first cross beam is of a U-shaped beam structure, the first cross beam is matched with a top cover of the machine cover in shape, the top cover is arranged on the first cross beam, and the first vertical beam and the second vertical beam are respectively arranged at two ends of the first cross beam; the second connecting frame is arranged below the first connecting frame and comprises a third vertical beam, a second cross beam and a fourth vertical beam which are sequentially connected, the second cross beam is of a U-shaped beam structure, the third vertical beam and the fourth vertical beam are respectively arranged at two ends of the second cross beam, the second cross beam and the first cross beam are oppositely arranged, one end, far away from the second cross beam, of the third vertical beam is connected with the first vertical beam, and one end, far away from the second cross beam, of the fourth vertical beam is connected with the second vertical beam;

the inner beam support is connected with the outer frame support and is arranged in the installation space surrounded by the outer frame support so as to divide the installation space into a plurality of installation openings through the inner beam support; the mounting opening is matched with the shape of the cover body part of the cover so that the cover body part is mounted at the mounting opening;

wherein, be provided with the connecting hole that is used for carrying out the connection with cover body part on frame support and the interior roof beam support.

Further, the cover part comprises a front cover body, the plurality of mounting openings comprise first mounting openings, and the first mounting openings are matched with the shape of the front cover body; the inner beam bracket includes:

the third cross beam is of a U-shaped beam structure, one end of the third cross beam is connected with the third vertical beam, the other end of the third cross beam is connected with the fourth vertical beam, and the third cross beam and the first cross beam are arranged at intervals and form a first mounting opening in a surrounding mode.

Further, the inner beam bracket further includes: and one end of the first reinforcing longitudinal beam is connected with the first cross beam, and the other end of the first reinforcing longitudinal beam is connected with the third cross beam.

Further, the second cross beam comprises a first connecting section, a second connecting section and a third connecting section which are sequentially connected, and the first connecting section and the third connecting section are respectively arranged at two ends of the second connecting section; the third beam comprises a fourth connecting section, a fifth connecting section and a sixth connecting section which are sequentially connected, and the fourth connecting section and the sixth connecting section are respectively arranged at two ends of the fifth connecting section; the first connecting section is arranged opposite to the fourth connecting section, the second connecting section is arranged opposite to the fifth connecting section, and the third connecting section is arranged opposite to the sixth connecting section; the cover body part comprises a first side cover plate, the plurality of mounting openings comprise second mounting openings, and the second mounting openings are matched with the first side cover plate in shape; the inner beam bracket further comprises:

and one end of the fifth vertical beam is connected with the fourth connecting section, the other end of the fifth vertical beam is connected with the connecting part of the first connecting section and the second connecting section, and the second mounting opening is formed by encircling the fifth vertical beam, the first connecting section, the third vertical beam and the fourth connecting section.

Further, the cover body part comprises a second side cover plate, the plurality of mounting openings further comprise a third mounting opening, and the third mounting opening is matched with the shape of the second side cover plate; the inner beam bracket further comprises:

and one end of the sixth vertical beam is connected with the sixth connecting section, the other end of the sixth vertical beam is connected with the connecting position of the second connecting section and the third connecting section, and the sixth vertical beam, the third connecting section, the fourth vertical beam and the sixth connecting section enclose a third mounting port.

Further, the cover body part further comprises a front decorative plate and a grating plate, the grating plate is positioned above the front decorative plate, the plurality of mounting openings further comprise a fourth mounting opening and a fifth mounting opening, the fourth mounting opening is matched with the shape of the front decorative plate, and the fifth mounting opening is matched with the shape of the grating plate; the inner beam bracket further comprises:

the fourth crossbeam is arranged between the second crossbeam and the third crossbeam, one end of the fourth crossbeam is connected with the middle part of the fifth vertical beam, the other end of the fourth crossbeam is connected with the middle part of the sixth vertical beam, the fourth crossbeam, the fifth vertical beam, the second connecting section and the sixth vertical beam enclose a fourth mounting port, and the fourth crossbeam, the fifth vertical beam, the fifth connecting section and the sixth vertical beam enclose a fifth mounting port.

Further, the fifth vertical beam and the sixth vertical beam are both of a bent beam structure; and/or the number of the groups of groups,

the inner beam bracket further comprises: and one end of the connecting beam is connected with the third cross beam, the other end of the connecting beam extends out of the third cross beam to be arranged, the connecting beams are multiple, and the connecting beams are arranged at intervals along the extending direction of the third cross beam.

Further, the first cross beam comprises a seventh connecting section, an eighth connecting section and a ninth connecting section which are sequentially connected; the framework structure further comprises:

the first lap joint frame is arranged below the first connecting frame, and a connecting port is arranged on the first lap joint frame;

the first overlap joint frame is U-shaped, and comprises a first overlap joint vertical beam, a first overlap joint cross beam and a second overlap joint vertical beam which are sequentially connected, wherein the first overlap joint vertical beam is connected with a seventh connecting section, and the second overlap joint vertical beam is connected with a ninth connecting section.

Further, the skeleton structure further includes: the second overlap joint frame, second overlap joint frame include interconnect's second overlap joint crossbeam and mounting panel, and the one end and the first overlap joint crossbeam of second overlap joint crossbeam are connected, and the other end of second overlap joint crossbeam stretches out in first overlap joint crossbeam, and the mounting panel setting is on the second overlap joint crossbeam.

According to another aspect of the present utility model there is provided a tractor comprising the skeletal structure provided above.

By using the technical scheme of the utility model, the framework structure is divided into the outer frame support and the inner beam support, and the first connecting frame and the second connecting frame are arranged on the outer frame support so as to form a plurality of mounting openings through the matching of the outer frame support and the inner beam support, so that the cover body and other devices can be conveniently mounted through the plurality of mounting openings, and the problem that the framework structure in the prior art is inconvenient to mount a plurality of parts can be solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic structural view of a skeleton structure provided according to a first embodiment of the present utility model;

FIG. 2 illustrates a side view of a skeletal structure provided in accordance with a first embodiment of the present utility model;

FIG. 3 illustrates a rear view of a skeletal structure provided in accordance with a first embodiment of the present utility model;

FIG. 4 is a schematic view of a skeleton structure according to an embodiment of the present utility model;

fig. 5 shows a schematic structural diagram of a skeleton structure provided according to an embodiment of the present utility model at another view angle.

Wherein the above figures include the following reference numerals:

10. an outer frame bracket; 11. a first connection frame; 111. a first vertical beam; 112. a first cross beam; 1121. a seventh connection section; 1122. an eighth connecting section; 1123. a ninth connection section; 113. a second vertical beam; 12. a second connecting frame; 121. a third vertical beam; 122. a second cross beam; 1221. a first connection section; 1222. a second connection section; 1223. a third connecting section; 123. a fourth vertical beam;

20. an inner beam bracket; 21. a third cross beam; 211. a fourth connecting section; 212. a fifth connecting section; 213. a sixth connection section; 22. a first reinforcing stringer; 23. a fifth vertical beam; 24. a sixth vertical beam; 25. a fourth cross beam; 26. a connecting beam;

30. a first overlap frame; 31. a first overlapping vertical beam; 32. a first overlapping beam; 33. a second overlapping vertical beam;

40. a second overlap frame; 41. a second overlapping cross beam; 42. a mounting plate;

50. and a second reinforcing stringer.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 5, in a first embodiment of the present utility model, a skeleton structure for supporting a hood is provided, the hood including a top cover and a hood body member connected to each other. The framework structure comprises an outer frame support 10 and an inner beam support 20. The outer frame bracket 10 comprises a first connecting frame 11 and a second connecting frame 12, the first connecting frame 11 comprises a first vertical beam 111, a first cross beam 112 and a second vertical beam 113 which are sequentially connected, the first cross beam 112 is of a U-shaped beam structure, the first cross beam 112 is matched with the shape of a top cover of the machine cover, the top cover is arranged on the first cross beam 112, and the first vertical beam 111 and the second vertical beam 113 are respectively arranged at two ends of the first cross beam 112; the second link 12 is disposed below the first link 11, the second link 12 includes a third vertical beam 121, a second beam 122 and a fourth vertical beam 123 that are sequentially connected, the second beam 122 is in a U-beam structure, the third vertical beam 121 and the fourth vertical beam 123 are disposed at two ends of the second beam 122, the second beam 122 is disposed opposite to the first beam 112, one end of the third vertical beam 121 far from the second beam 122 is connected with the first vertical beam 111, and one end of the fourth vertical beam 123 far from the second beam 122 is connected with the second vertical beam 113. The inner beam support 20 is connected with the outer frame support 10, and the inner beam support 20 is arranged in an installation space surrounded by the outer frame support 10 so as to divide the installation space into a plurality of installation openings through the inner beam support 20; the mounting opening is adapted to the shape of the cover member such that the cover member is mounted at the mounting opening. Wherein, the outer frame support 10 and the inner beam support 20 are provided with connecting holes for connecting with the cover body components.

By adopting such arrangement, the plurality of cross beams and the vertical beams of the first connecting frame 11 and the second connecting frame 12 are utilized to form the installation space, the installation space is further divided into a plurality of installation openings by the inner beam support 20 arranged in the installation space, a plurality of structures of the cover body component can be respectively installed at the corresponding installation openings through the connecting holes arranged on the outer frame support 10 and the inner beam support 20, so that the connection of the cover body component and the framework structure can be more facilitated, and the problem that the framework structure in the prior art is inconvenient to install a plurality of components can be solved. In addition, since most of the structures of the first connecting frame 11 and the second connecting frame 12 are manufactured in an integrally formed manner, the stability of the whole skeleton structure can be effectively enhanced.

Specifically, the cover body part comprises a front cover body, the plurality of mounting openings comprise first mounting openings, and the first mounting openings are matched with the shape of the front cover body; the inner beam bracket 20 comprises a third cross beam 21. The third beam 21 is in a U-shaped beam structure, one end of the third beam 21 is connected with a third vertical beam 121, the other end of the third beam 21 is connected with a fourth vertical beam 123, and the third beam 21 and the first beam 112 are arranged at intervals and form a first mounting opening. With such an arrangement, the space in the mounting opening can be divided, the mounting of the front cover body is facilitated, and the third cross member 21 can also form a certain support for the front cover body mounted in the first mounting opening.

In this embodiment, the inner beam brackets 20 further include a first reinforcing longitudinal beam 22. One end of the first reinforcing longitudinal beam 22 is connected to the first cross member 112, and the other end of the first reinforcing longitudinal beam 22 is connected to the third cross member 21. With such arrangement, the structural strength at the first mounting opening can be enhanced, so that the strength of the skeleton structure after the front cover is mounted on the skeleton structure can be ensured, and the stability of the skeleton structure can also be enhanced to some extent by the first reinforcing side member 22.

Specifically, the second beam 122 includes a first connecting section 1221, a second connecting section 1222, and a third connecting section 1223 connected in sequence, the first connecting section 1221 and the third connecting section 1223 being provided at both ends of the second connecting section 1222, respectively; the third beam 21 includes a fourth connection section 211, a fifth connection section 212 and a sixth connection section 213 connected in sequence, the fourth connection section 211 and the sixth connection section 213 being respectively disposed at both ends of the fifth connection section 212; the first connecting section 1221 is disposed opposite to the fourth connecting section 211, the second connecting section 1222 is disposed opposite to the fifth connecting section 212, and the third connecting section 1223 is disposed opposite to the sixth connecting section 213; the cover body part comprises a first side cover plate, and the plurality of mounting openings comprise second mounting openings which are matched with the shape of the first side cover plate. The inner beam bracket 20 further includes a fifth vertical beam 23, one end of the fifth vertical beam 23 is connected with the fourth connecting section 211, the other end of the fifth vertical beam 23 is connected with the connection of the first connecting section 1221 and the second connecting section 1222, and the fifth vertical beam 23, the first connecting section 1221, the third vertical beam 121 and the fourth connecting section 211 enclose a second installation opening. By adopting the arrangement, the second mounting port structure can be formed on one side of the framework structure, the first side cover plate can be conveniently mounted at the second mounting port, and the framework structure and the cover body component can be further conveniently connected.

In this embodiment, the cover member includes a second side cover plate, and the plurality of mounting openings further includes a third mounting opening, and the third mounting opening is adapted to a shape of the second side cover plate. The inner beam bracket 20 further includes a sixth vertical beam 24, one end of the sixth vertical beam 24 is connected to the sixth connecting section 213, the other end of the sixth vertical beam 24 is connected to a junction of the second connecting section 1222 and the third connecting section 1223, and the sixth vertical beam 24, the third connecting section 1223, the fourth vertical beam 123, and the sixth connecting section 213 enclose a third mounting hole. By adopting the arrangement, the third mounting port structure can be formed at the other side of the framework structure, so that the second side cover plate can be mounted at the third mounting port, and the framework structure and the cover body part can be further convenient to connect.

Specifically, the cover body part further comprises a front decorative plate and a grating plate, the grating plate is located above the front decorative plate, the plurality of mounting openings further comprise a fourth mounting opening and a fifth mounting opening, the fourth mounting opening is matched with the shape of the front decorative plate, and the fifth mounting opening is matched with the shape of the grating plate. The inner beam bracket 20 further comprises a fourth cross beam 25. The fourth cross beam 25 is disposed between the second cross beam 122 and the third cross beam 21, one end of the fourth cross beam 25 is connected with the middle of the fifth vertical beam 23, the other end of the fourth cross beam 25 is connected with the middle of the sixth vertical beam 24, the fourth cross beam 25, the fifth vertical beam 23, the second connection section 1222 and the sixth vertical beam 24 enclose a fourth mounting opening, and the fourth cross beam 25, the fifth vertical beam 23, the fifth connection section 212 and the sixth vertical beam 24 enclose a fifth mounting opening. By adopting the arrangement, the lower space of the framework structure can be further divided into two layers of structures of the fourth mounting opening and the fifth mounting opening, the grid plate can be mounted in the fifth mounting opening of the upper layer, the front decorative plate is mounted in the fourth mounting opening of the lower layer, the grid plate and the front decorative plate can be conveniently mounted in different areas so that the mounting is more convenient, and the framework structure and the cover body part can be further conveniently mounted and connected.

In this embodiment, the fifth vertical beam 23 and the sixth vertical beam 24 may each be a bent beam structure. By adopting the arrangement, the connection of the fifth vertical beam 23, the sixth vertical beam 24 and the fourth cross beam 25 can be facilitated, the shape of each part of the cover body part can be more adapted, and meanwhile, the bending beam structure can also form a support for the framework structure to a certain extent, so that the stability of the framework structure is improved.

Or, the inner beam bracket 20 further includes a connecting beam 26, one end of the connecting beam 26 is connected with the third beam 21, the other end of the connecting beam 26 extends out of the third beam 21, the connecting beam 26 is plural, and the plural connecting beams 26 are arranged at intervals along the extending direction of the third beam 21. With such a configuration, the skeleton structure and the cover member can be more conveniently connected by the plurality of connection beams 26, and the connection beams 26 can also make the connection of the cover member more stable.

Still alternatively, a plurality of connection beams 26 may be provided while the fifth and sixth vertical beams 23 and 24 are each of a bent beam structure. The adoption of the arrangement can further improve the stability of the framework structure.

In the present embodiment, the first beam 112 includes a seventh connecting section 1121, an eighth connecting section 1122, and a ninth connecting section 1123, which are connected in this order. The framework structure further comprises a first lap joint frame 30, the first lap joint frame 30 is arranged below the first connecting frame 11, and a connecting port is arranged on the first lap joint frame 30. Wherein, first overlap joint frame 30 is U-shaped structure, and first overlap joint frame 30 is including the first overlap joint vertical beam 31, first overlap joint crossbeam 32 and the second overlap joint vertical beam 33 that connect gradually, and first overlap joint vertical beam 31 is connected with seventh linkage segment 1121, and second overlap joint vertical beam 33 is connected with ninth linkage segment 1123. Wherein, a plurality of mounting holes may be provided on the first landing gear 30. By adopting the arrangement, the framework structure can be more matched with the front end structure of the tractor through the U-shaped structure, the U-shaped structure can also form a mounting cavity or a protection cavity to accommodate more electrical elements or the structure of the tractor, and meanwhile, the U-shaped structure of the first lapping frame 30 can also increase the fixing area, so that more parts can be fixed through a plurality of mounting holes, and the framework structure can be more convenient to be matched with the cover part or the tractor in a mounting way.

Specifically, the skeletal structure further includes a second bridge 40. The second lapping frame 40 includes a second lapping beam 41 and a mounting plate 42 which are connected to each other, one end of the second lapping beam 41 is connected to the first lapping beam 32, the other end of the second lapping beam 41 extends out of the first lapping beam 32, and the mounting plate 42 is provided on the second lapping beam 41. With such a configuration, it is possible to facilitate more structure installation through the mounting plate 42, and structural strength and stability of the second lapping frame 40 can be improved through the second lapping beam 41, and simultaneously, since the second lapping beam 41 is connected with the first lapping beam 32, the second lapping beam 41 can also improve installation stability of the first lapping frame 30.

In this embodiment, the skeleton structure may further include a second reinforcing longitudinal beam 50, one end of the second reinforcing longitudinal beam 50 is connected to the third cross member 21, and the other end of the second reinforcing longitudinal beam 50 is connected to the fourth cross member 25. By adopting the arrangement, the reinforcing longitudinal beam structures are arranged on the upper side and the lower side of the third cross beam 21, so that the structural strength and the stability of the framework structure can be further improved, and the occurrence of the damage of the framework structure caused by torsion or other stress can be effectively avoided.

In a second embodiment of the present utility model, a tractor is provided that includes the skeletal structure of the first embodiment.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: through setting up frame support 10 and interior roof beam support 20 to cooperate with a plurality of crossbeams and the vertical beam of frame support 10 through interior roof beam support 20 in order to form a plurality of installing ports, can be convenient for install cover body part in installing port department, thereby can solve the problem that the skeleton texture among the prior art is inconvenient for installing a plurality of parts.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A skeletal structure, comprising:

the outer frame support (10), the outer frame support (10) includes first link (11) and second link (12), first link (11) are including first vertical beam (111), first crossbeam (112) and the second vertical beam (113) that connect gradually, first crossbeam (112) are U-shaped beam structure, shape looks adaptation of first crossbeam (112) and the top cap of aircraft bonnet, the top cap is installed on first crossbeam (112), first vertical beam (111) with second vertical beam (113) set up respectively the both ends of first crossbeam (112); the second connecting frame (12) is arranged below the first connecting frame (11), the second connecting frame (12) comprises a third vertical beam (121), a second cross beam (122) and a fourth vertical beam (123) which are sequentially connected, the second cross beam (122) is of a U-shaped beam structure, the third vertical beam (121) and the fourth vertical beam (123) are respectively arranged at two ends of the second cross beam (122), the second cross beam (122) and the first cross beam (112) are oppositely arranged, one end, far away from the second cross beam (122), of the third vertical beam (121) is connected with the first vertical beam (111), and one end, far away from the second cross beam (122), of the fourth vertical beam (123) is connected with the second vertical beam (113).

The inner beam support (20) is connected with the outer frame support (10), and the inner beam support (20) is arranged in an installation space surrounded by the outer frame support (10) so as to divide the installation space into a plurality of installation openings through the inner beam support (20); the mounting opening is matched with the shape of a cover body part of the hood so that the cover body part is mounted at the mounting opening;

wherein the outer frame support (10) and the inner beam support (20) are provided with connecting holes for connecting with the cover body parts.

2. The skeletal structure of claim 1, wherein said cover member includes a front cover, said plurality of mounting openings including a first mounting opening, said first mounting opening conforming to a shape of said front cover; the inner beam bracket (20) comprises:

the third cross beam (21), third cross beam (21) is U-shaped beam structure, one end of third cross beam (21) with third vertical beam (121) are connected, the other end of third cross beam (21) with fourth vertical beam (123) are connected, third cross beam (21) with first cross beam (112) interval sets up and encloses into first installing port.

3. The skeletal structure of claim 2, characterized in that the inner beam brackets (20) further comprise:

and one end of the first reinforcing longitudinal beam (22) is connected with the first transverse beam (112), and the other end of the first reinforcing longitudinal beam (22) is connected with the third transverse beam (21).

4. The skeletal structure of claim 2, characterized in that the second cross beam (122) comprises a first connecting section (1221), a second connecting section (1222) and a third connecting section (1223) connected in sequence, the first connecting section (1221) and the third connecting section (1223) being arranged at both ends of the second connecting section (1222), respectively; the third cross beam (21) comprises a fourth connecting section (211), a fifth connecting section (212) and a sixth connecting section (213) which are sequentially connected, and the fourth connecting section (211) and the sixth connecting section (213) are respectively arranged at two ends of the fifth connecting section (212); the first connecting section (1221) is arranged opposite to the fourth connecting section (211), the second connecting section (1222) is arranged opposite to the fifth connecting section (212), and the third connecting section (1223) is arranged opposite to the sixth connecting section (213); the cover body part comprises a first side cover plate, the plurality of mounting openings comprise second mounting openings, and the second mounting openings are matched with the shape of the first side cover plate; the inner beam bracket (20) further comprises:

the fifth vertical beam (23), one end of the fifth vertical beam (23) is connected with the fourth connecting section (211), the other end of the fifth vertical beam (23) is connected with the joint of the first connecting section (1221) and the second connecting section (1222), and the second mounting opening is surrounded by the fifth vertical beam (23), the first connecting section (1221), the third vertical beam (121) and the fourth connecting section (211).

5. The skeletal structure of claim 4, wherein said cover member includes a second side cover plate, said plurality of mounting openings further including a third mounting opening, said third mounting opening conforming to the shape of said second side cover plate; the inner beam bracket (20) further comprises:

the sixth vertical beam (24), the one end of sixth vertical beam (24) with sixth linkage segment (213) are connected, the other end of sixth vertical beam (24) with second linkage segment (1222) with the junction of third linkage segment (1223), sixth vertical beam (24), third linkage segment (1223), fourth vertical beam (123) with sixth linkage segment (213) enclose into the third installation mouth.

6. The skeletal structure of claim 5, wherein said cover member further comprises a front trim panel and a grid panel, said grid panel being positioned above said front trim panel, said plurality of mounting openings further comprising a fourth mounting opening that conforms to the shape of said front trim panel and a fifth mounting opening that conforms to the shape of said grid panel; the inner beam bracket (20) further comprises:

fourth crossbeam (25), fourth crossbeam (25) set up second crossbeam (122) with between third crossbeam (21), the one end of fourth crossbeam (25) with the middle part of fifth vertical beam (23) is connected, the other end of fourth crossbeam (25) with the middle part of sixth vertical beam (24) is connected, fourth crossbeam (25) fifth vertical beam (23) second linkage segment (1222) with sixth vertical beam (24) enclose into fourth mounting hole, fourth crossbeam (25) fifth vertical beam (23), fifth linkage segment (212) with sixth vertical beam (24) enclose into fifth mounting hole.

7. The skeletal structure of claim 5, wherein,

the fifth vertical beam (23) and the sixth vertical beam (24) are of a bent beam structure; and/or the number of the groups of groups,

the inner beam bracket (20) further comprises: the connecting beam (26), the one end of connecting beam (26) with third crossbeam (21) is connected, the other end of connecting beam (26) stretch out in third crossbeam (21) set up, connecting beam (26) are a plurality of, a plurality of connecting beam (26) are followed the extending direction interval setting of third crossbeam (21).

8. The skeletal structure of claim 1, wherein the first beam (112) includes a seventh connecting section (1121), an eighth connecting section (1122), and a ninth connecting section (1123) connected in sequence; the skeletal structure further comprises:

the first lap joint frame (30) is arranged below the first connecting frame (11), and a connecting port is arranged on the first lap joint frame (30);

the first overlap joint frame (30) is of a U-shaped structure, the first overlap joint frame (30) comprises a first overlap joint vertical beam (31), a first overlap joint cross beam (32) and a second overlap joint vertical beam (33) which are sequentially connected, the first overlap joint vertical beam (31) is connected with the seventh connecting section (1121), and the second overlap joint vertical beam (33) is connected with the ninth connecting section (1123).

9. The skeletal structure of claim 8, further comprising:

the second overlap joint frame (40), second overlap joint frame (40) are including interconnect's second overlap joint crossbeam (41) and mounting panel (42), the one end of second overlap joint crossbeam (41) with first overlap joint crossbeam (32) are connected, the other end of second overlap joint crossbeam (41) stretch out in first overlap joint crossbeam (32), mounting panel (42) set up on second overlap joint crossbeam (41).

10. A tractor comprising the skeletal structure of any one of claims 1 to 9.