Tractor frame and tractor

Abstract

The invention relates to the technical field of tractors, in particular to a tractor frame and a tractor, comprising a front end platform for mounting a driver's seat; the connecting panel is connected with the end part of the front-end platform; the cross beam group is positioned in the middle of the connecting slow plate and extends backwards; the cross beam group comprises a left cross beam, a right cross beam and a bottom plate at the bottoms of the left cross beam and the right cross beam, and a sinking space is formed between the bottom plate and the left cross beam and between the bottom plate and the right cross beam; and the sinking space is used for mounting a tractor part. According to the tractor frame, the tractor frame and the tractor, the sinking space can contain the engine and the gearbox, so that parts of the tractor do not exceed the height of the cross beam set after being installed, the effect that a tractor body of the tractor is lowered is achieved, and the stability of the tractor and the rigidity of the frame are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of tractors, and more particularly to a tractor frame and a tractor. Background Art

[0002] An aircraft tractor is a special vehicle indispensable for providing ground support services for aircraft displacement. In recent years, the technology of aircraft tractors in China has developed rapidly. As the main part of the tractor, the frame plays a very important role and occupies an important position in the overall vehicle design. It not only bears the gravity of all components of the vehicle, but also needs to ensure sufficient strength and stiffness under the condition of relatively low vehicle body to meet the load-bearing capacity requirements. Based on the important role of the frame in the tractor body, the frame must have high strength. Summary of the Invention

[0003] In view of the problems existing in the existing tractor frames as described above, the present invention is proposed.

[0004] Therefore, one object of the present invention is to provide a tractor frame, and the purpose is to provide a frame with high strength.

[0005] To solve the above technical problems, the present invention provides the following technical solution: A tractor frame includes, A front-end platform for installing a driver's seat; A connection panel connected to the end of the front-end platform; and, A crossbeam group extending rearward from the middle of the connection panel; The crossbeam group includes a left crossbeam and a right crossbeam, and a bottom plate at the bottom of the left crossbeam and the right crossbeam. A sunken space is formed between the bottom plate and the left crossbeam and the right crossbeam; The sunken space is used for installing tractor components.

[0006] As a preferred embodiment of the tractor frame of the present invention, wherein: The front-end platform includes a base, a front bumper and a vertical plate, wherein, The connection panel is connected to one end of the base; The front bumper is installed at the other end of the base; The vertical plate is arranged between the base and the front bumper.

[0007] As a preferred embodiment of the tractor frame of the present invention, wherein: The bottom height of the bottom plate does not exceed the bottom of the front-end platform.

[0008] As a preferred embodiment of the tractor frame of the present invention, wherein: The left crossbeam and the right crossbeam are integrally formed by plate-shaped manufacturing, and the outer contours of the left crossbeam and the right crossbeam are the same.

[0009] As a preferred embodiment of the tractor frame of the present invention, wherein: the crossbeam group includes a front end portion, a middle portion, and a rear end portion; The front end portion is connected to the connection panel; The middle portion is connected to the bottom plate; The rear end portion is connected with a rear side bracket.

[0010] As a preferred embodiment of the tractor frame of the present invention, wherein: the front end portion is provided with a front axle groove for installing a front axle; The rear end portion is provided with a rear axle groove for installing a rear axle.

[0011] As a preferred embodiment of the tractor frame of the present invention, wherein: one side of the middle portion is provided with a fuel tank groove for an oil pipeline to pass through; The other side of the middle portion is provided with a pipeline groove for an air filter line to pass through.

[0012] As a preferred embodiment of the tractor frame of the present invention, wherein: the rear end portion is provided with a stress relief block.

[0013] As a preferred embodiment of the tractor frame of the present invention, wherein: a plurality of counterweight blocks are provided on the left crossbeam and the right crossbeam.

[0014] As a preferred embodiment of the tractor frame of the present invention, wherein: module plates are provided on both sides of the crossbeam group, and the module plates extending backward from the connection panel are respectively a front module plate, a middle module plate, and a rear module plate.

[0015] The beneficial effects of this tractor frame: the sunken space formed by the bottom plate and the crossbeam group can accommodate the engine and the gearbox, so that the components of the tractor do not exceed the height of the crossbeam group after installation, achieving the effect of reducing the body of the tractor and improving the stability of the tractor and the stiffness of the frame.

[0016] Another object of the present invention is to provide a tractor, and the purpose is to provide a tractor with high strength.

[0017] To solve the above technical problems, the present invention provides the following technical solution: a tractor, including a gearbox, an engine, a transmission shaft, and wheels, and its frame adopts the tractor frame

[0018] The beneficial effects of the present invention: its sunken space can accommodate the engine and the gearbox, so that the components of the tractor do not exceed the height of the crossbeam group after installation, achieving the effect of reducing the body of the tractor and improving the stability of the tractor and the stiffness of the frame. Brief Description of the Drawings

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the tractor frame of the present invention.

[0021] Figure 2 It is a top view of the crossbeam group of the tractor frame of the present invention.

[0022] Figure 3 It is a bottom view of the crossbeam group of the tractor frame of the present invention.

[0023] Figure 4 It is a left view of the crossbeam group of the tractor frame of the present invention.

[0024] Figure 5 It is a schematic diagram of the module plate structure of the tractor frame of the present invention.

[0025] In the figure: 100, front platform; 200, connection panel; 300, crossbeam group; 301, left crossbeam; 302, right crossbeam; 303, bottom plate; M, sinking space; 101, base; 102, front bumper; 103, vertical plate; 304, front end; 305, middle part; 306, rear end; 400, rear side bracket; 304a, front axle groove; 306a, rear axle groove; 305a, fuel tank groove; 305b, pipeline groove; 306b, stress relief block; 307, counterweight; 201, front panel; 202, left panel; 203, right panel; 304a-1, left front groove; 304a-2, right front groove; 304a-11, high top; 304a-12, low top; 306a-1, left rear groove; 306a-2, right rear groove; 306a-11, left convex block; 306a-12, middle convex block; 306a-13, right convex block; 306b-1, left stress block; 306b-2, right stress block; 306b-11, protruding block; 306b-12, round hole; 401, sealing plate; 402, rear bumper; 403, guard plate; 500, module plate; 501, front module plate; 502, middle module plate; 503, rear module plate; 504, front side plate; 505, rear side plate. Detailed Embodiments

[0026] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following will give a detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings of the specification.

[0027] In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention. However, the present invention may be practiced in other ways than those specifically described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0028] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation manner of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it an individual or alternative embodiment that is mutually exclusive with other embodiments.

[0029] Thirdly, the present invention is described in detail in conjunction with schematic diagrams. When detailing the embodiments of the present invention, for ease of illustration, the cross-sectional views showing the device structure are enlarged locally in a non-general proportion, and the schematic diagrams are only examples and should not limit the scope of protection of the present invention herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0030] Embodiment 1, referring to Figures 1-4 , which is the first embodiment of the present invention, provides a tractor frame. This device includes a front-end platform 100, a connection panel 200, and a crossbeam group 300. The connection panel 200 is connected to the front-end platform 100, and the crossbeam group 300 is located in the middle of the connection panel 200 and extends rearward.

[0031] Among them, the front-end platform 100 includes a base 101, a front bumper 102, and a vertical plate 103 between the base 101 and the front bumper 102. The bottom of the base 101 is horizontal and the front end is upturned. The front bumper 102 is installed at the upturned end of the base 101. There are headlight slots on both sides of the front bumper 102 for installing headlights, and the height of the front bumper 102 is ensured to be sufficient for installing the headlights. The overall height is relatively low and will not affect the driver's line of sight. The connection panel 200 is connected to the horizontal end of the base 101, and the lower end surface of the vertical plate 103 is sequentially connected to the front bumper 102, the base 101, and the connection panel 200. At the same time, there is an inclined slot on the vertical plate 103 that is approximately parallel to the upturned end of the base 101. The base 101, the front bumper 102, the connection panel 200, and the vertical plate 103 are fixed by welding. A driver's seat is installed on the base 101 for the driver to sit on.

[0032] Furthermore, preferably, there are two vertical plates 103. At the same time, the two vertical plates 103 are close to the middle of the base 101. The base 101 is symmetrically arranged along the central axis of the frame length direction. The vertical plates 103 are also symmetrically arranged at both ends of the central axis, and there are base 101 buffer blocks symmetrically arranged along the central axis on the base 101.

[0033] Further, the part where the connection panel 200 is connected to the crossbeam group 300 is the front panel 201. The connection panel 200 on the side of the left crossbeam 301 is the left panel 202, and the connection panel 200 on the side of the right crossbeam 302 is the right panel 203. The widths of the left panel 202 and the right panel 203 are substantially the same. The left crossbeam 301 and the right crossbeam 302 are integrally formed in a plate shape, and the outer contours of the left crossbeam 301 and the right crossbeam 302 are consistent. The outer contour of the crossbeam group 300 is symmetrically arranged with respect to the central axis. The left panel 202 and the right panel 203 are located in the same plane, and there is a recess between the front panel 201 and the left panel 202 and the right panel 203.

[0034] Further, the crossbeam group 300 includes a left crossbeam 301 and a right crossbeam 302. A bottom plate 303 is provided at the bottom of the left crossbeam 301 and the right crossbeam 302. A sunken space M is formed between the bottom plate 303 and the left crossbeam 301 and the right crossbeam 302. Components such as an engine and a gearbox can be installed inside the sunken space M. The bottom height of the bottom plate 303 does not exceed the bottom of the base 101, ensuring that obstacles passing through the base 101 can also pass through the bottom plate 303. Components such as an engine and a gearbox are installed in the sunken space M, making the height of the vehicle body roughly flush with the height of the crossbeam group 300, and overall reducing the vehicle body height to improve the passing performance of the tractor.

[0035] The crossbeam group 300 is divided into a front end portion 304, a middle portion 305, and a rear end portion 306 along the length direction of the vehicle frame. The front end portion 304 of the crossbeam group 300 is connected to the connection panel 200, and the connection panel 200 is separated into a front panel 201, a left panel 202, and a right panel 203. The middle portion 305 is connected to the bottom plate 303, and the interior of the bottom plate 303 and the middle portion 305 forms the sunken space M, that is, the left crossbeam 301, the right crossbeam 302 of the middle portion 305 and the bottom plate 303 form the sunken space M, and the space between the front portion and the rear end portion 306 is an extension of the sunken space M.

[0036] Inside the middle part 305, there are engine mounts, transmission mounts, accumulator mounts, emergency pump mounts and filter mounts. The engine mount is located on the inner wall at the front end of the middle part 305. The transmission mount is installed on the inner wall of the middle part 305 behind the engine mount. The accumulator mount, emergency pump mount and filter mount are located on the inner wall at the rear end of the middle part 305, and a part of the accumulator mount that extends beyond the middle part 305 is located in the rear end part 306. The engine mount and the transmission mount are designed to be located at the very middle of the vehicle frame, evenly distributing the loads on the front and rear wheels, achieving the power distribution between the front and rear axles. At the same time, the engine and the transmission are installed in the middle part, shortening the transmission path from the engine to the drive wheels, reducing power loss, improving the transmission efficiency, enhancing the traction force and passability of the vehicle. The inner parts of the front end part 304, the middle part 305 and the rear end part 306 are the inner walls between the left cross beam 301 and the right cross beam 302, and the outer parts of the front end part 304, the middle part 305 and the rear end part 306 are the outer side walls of the left cross beam 301 and / or the right cross beam 302.

[0037] The front end part 304 is provided with a front axle groove 304a, that is, the front axle groove 304a includes a left front groove 304a-1 on the left cross beam 301 and a right front groove 304a-2 on the right cross beam 302. The rear end part 306 is provided with a rear axle groove 306a. The left front groove 304a-1 and the right front groove 304a-2 are respectively for the front axle to pass through. After the two front axles pass through the left front groove 304a-1 and the right front groove 304a-2 respectively, they are used to install the left front wheel and the right front wheel. The rear end part 306 is provided with a rear axle groove 306a, that is, the rear axle groove 306a includes a left rear groove 306a-1 on the left cross beam 301 and a right rear groove 306a-2 on the right cross beam 302. The left rear groove 306a-1 and the right rear groove 306a-2 are respectively for the rear axle to pass through. After the two rear axles pass through the left rear groove 306a-1 and the right rear groove 306a-2 respectively, they are used to install the left rear wheel and the right rear wheel.

[0038] Among them, the left front slot 304a-1 and the right front slot 304a-2 have the same shape. Taking the left front slot 304a-1 as an example for detailed description, the left front slot 304a-1 is a square through slot opened in the left cross beam 301, and the bottom of the left front slot 304a-1 is open. Its top has a stepped shape, namely a high top 304a-11 and a low top 304a-12. The length of the high top 304a-11 is twice the length of the bottom top. The two ends of the high top 304a-11 are concave 1 / 4 arcs, and are respectively connected to the side of the left front slot 304a-1 and the side of the low top 304a-12. The horizontal side of the low top 304a-12 is connected to the side of the high top 304a-11. The other end of the low top 304a-12 is a concave 1 / 4 arc and is connected to the other side of the left front slot 304a-1. On the left cross beam 301 around the left front slot 304a-1, a plurality of support frames for tractor parts are installed. The other end of the support frame is located inside the front end 304, reasonably occupying space and increasing the space utilization rate inside the front end 304.

[0039] Among them, the left rear slot 306a-1 and the right rear slot 306a-2 have the same shape. Taking the left rear slot 306a-1 as an example for detailed description, the left rear slot 306a-1 is a square through slot opened in the left cross beam 301, and the bottom of the left rear slot 306a-1 is open. The two ends of its top are concave 1 / 4 arcs, and there are protruding left bump 306a-11, middle bump 306a-12 and right bump 306a-13 in the middle. The middle bump 306a-12 is located at the central axis of the left rear slot 306a-1. The left bump 306a-11 and the right bump 306a-13 are symmetrically arranged with respect to the middle bump 306a-12. The width of the middle bump 306a-12 is 3 times the width of the left bump 306a-11, and the interval between the middle bump 306a-12 and the left bump 306a-11 is 1.5 times the width of the left bump 306a-11.

[0040] Furthermore, the middle part 305 is provided with an oil tank slot 305a and a pipeline slot 305b. The oil tank slot 305a is opened on the left cross beam 301. A tractor fuel tank is installed on the left cross beam 301 outside the oil tank slot 305a. The pipeline of the fuel tank can pass through the oil tank slot 305a and enter the engine in the sunken space M for connection. The pipeline slot 305b is opened on the right cross beam 302. Components such as an air filter and an exhaust pipe are installed on the right cross beam 302 outside the pipeline. The pipeline in it passes through the pipeline slot 305b and is connected to the engine in the sunken space M. By adjusting the opening sizes of the oil tank slot 305a and the pipeline slot 305b, the difference in counterweights on both sides of the cross beam group 300 is reduced, improving the stability of the vehicle frame. The pipeline slot 305b can be provided with multiple ones, which are opened according to the positions of components such as the air filter and the exhaust pipe, facilitating the pipeline to directly pass through the pipeline slot 305b and enter the middle part 305.

[0041] Further, a stress relief block 306b is provided at the rear end portion 306. The tops of the front end portions 304 and the middle portions 305 of the left cross beam 301 and the right cross beam 302 are horizontal, while the top ends of the rear end portions 306 of the left cross beam 301 and the right cross beam 302 are inclined downward relative to the front end portions 304 of the left cross beam 301 and the right cross beam 302; the stress relief block 306b includes a left stress block 306b-1 mounted on the left cross beam 301 and a right stress block 306b-2 mounted on the right cross beam 302, and the left stress block 306b-1 and the right stress block 306b-2 are mounted on two inclined surfaces of the rear end portion 306.

[0042] The left stress block 306b-1 and the right stress block 306b-2 are identical in shape and position. Here, the left stress block 306b-1 will be described in detail. The left stress block 306b-1 is mounted at the middle position of the top surface of the rear end portion 306 of the left cross beam 301. The left stress block 306b-1 is a protruding block 306b-11 provided on the top surface of the rear end portion 306 of the left cross beam 301, and the top of the protruding block 306b-11 is arc-shaped. The two ends of the protruding block 306b-11 are smoothly transitioned with the top surface of the rear end portion 306 of the left cross beam 301, and a round hole 306b-12 is provided in the middle of the protruding block 306b-11, and a large arc transition is used to eliminate the stress influence.

[0043] Further, a plurality of counterweight blocks 307 are provided on the left cross beam 301 and the right cross beam 302. Counterweight blocks 307 are mounted on both sides of the front end of the middle portion 305 of the cross beam group 300, and a counterweight block 307 is mounted at the tail of the rear end portion 306 of the cross beam group 300. The mounting positions and weights of the counterweight blocks 307 are not specific, and they are reasonably set according to the specific weight distribution of the vehicle frame. Their main function is to adjust the balance and stability, prevent rollover, increase the load-bearing capacity of the vehicle frame. By reasonably adjusting the distribution position, on the one hand, the center of gravity of the tractor is reduced, and on the other hand, the traction force of the tractor is increased.

[0044] Further, a rear side bracket 400 is connected to the rear end portion 306. The rear side bracket 400 includes a sealing plate 401 and a rear bumper 402. The sealing plate 401 is connected to the end portion of the cross beam group 300. A groove is provided in the middle of the sealing plate 401, and notches are provided at both ends of the groove. Clamping blocks are provided at the end portions of the left cross beam 301 and the right cross beam 302, and the two clamping blocks are respectively clamped in the two notches. The rear bumper 402 is mounted at the bottom of the sealing plate 401, and two taillight grooves are provided in the rear bumper 402 for mounting taillights. The two ends of the rear bumper 402 contract inward, and the top end protrudes. The two ends of the protruding top end contract inward. A guard plate 403 is further provided on the surface of the rear bumper 402, and the guard plate 403 is clamped at the front portion and both side portions of the rear bumper 402.

[0045] The crossbeam group 300 of this embodiment is made of a plate-like structure, and a bottom plate 303 is also installed at the bottom of both. The sunken space M formed by the bottom plate 303 and the crossbeam group 300 can accommodate the engine and the transmission, so that the components of the tractor do not exceed the height of the crossbeam group 300 after installation, achieving the effect of lowering the body of the tractor, improving the stability of the tractor, and the plate-like crossbeam group 300 can further improve the strength, increase the turning rigidity, and at the same time remove unnecessary reinforcing ribs and support structures to reduce redundant materials and weight.

[0046] Embodiment 2, refer to Figure 5 , which is the second embodiment of the present invention. The difference between this embodiment and the first embodiment is that module plates 500 are installed on the outer walls on both sides of the crossbeam group 300. The outer side walls of the crossbeam group 300 are respectively the front module plate 501, the middle module plate 502, and the rear module plate 503 from the front platform 100 towards the rear bracket 400. Among them, the front module plate 501 and the rear module plate 503 are roughly the same in shape and are inverted U-shaped, the middle module plate 502 is U-shaped, and the width of the middle module plate 502 is smaller than the widths of the front module plate 501 and the rear module plate 503.

[0047] One side of the front module plate 501 is shared with the connection panel 200, and one side of the rear module plate 503 is shared with the sealing plate 401. When the front module plate 501 and the rear module plate 503 are reprocessed, only the non-shared parts need to be processed, and they can be welded and connected during installation. The front module plate 501 is located outside the front axle groove 304a, and the front wheel is installed inside the front module plate 501. The rear module plate 503 is located outside the rear axle groove 306a, and the rear wheel is installed inside the front module plate 501. The front module plate 501 and the rear module plate 503 are roughly the same in shape. Here, the front module plate 501 is described in detail. The two sides of the front module plate 501 are vertical, the top is horizontal, and the connection between the top and the side is inclined. The middle module plate 502 on the left crossbeam 301 is located outside the fuel tank groove 305a, and a fuel tank bracket for installing the fuel tank is installed inside the middle module plate 502 on the left crossbeam 301. The middle module plate 502 on the right crossbeam 302 is located outside the pipeline groove 305b, and an air filter bracket and an exhaust pipe bracket for installing the air filter and the exhaust pipe are installed inside the middle module plate 502 on the right crossbeam 302.

[0048] Furthermore, front side plates 504 and rear side plates 505 are installed at the sides of the front module plate 501, the middle module plate 502, and the rear module plate 503. The front side plate 504 wraps all the sides of the front module plate 501 and the left side of the middle module plate 502, and the rear side plate 505 includes the right side of the middle module plate 502 and all the sides of the rear module plate 503.

[0049] Among them, the modular boards 500 are all manufactured separately. Through the installation and cooperation of multiple modular boards 500, a reasonable installation layout of the internal parts of the tractor is achieved. At the same time, with the modular design, each module has specific functions and structures, which can reduce the number of components and connection points, reduce the generation of welding seams, and improve the overall rigidity and stability of the frame.

[0050] The remaining structures are the same as those in Embodiment 1.

[0051] Embodiment 3, referring to Figures 1-5 , is the third embodiment of the present invention. This embodiment provides a tractor, which includes all the structures of the tractor frame, and also includes a gearbox, an engine, a transmission shaft and tires. Its overall composition forms a complete tractor, which has the advantages of a lower body and better stability, and the overall stiffness and strength are effectively improved.

[0052] The remaining structures are the same as those in Embodiment 2.

[0053] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A tractor frame, characterized in that: Comprising, A front-end platform (100) for installing a driver's seat; A connection panel (200) connected to the end of the front-end platform (100); and, A crossbeam group (300) located in the middle of the connection panel (200) and extending rearward; The crossbeam group (300) includes a left crossbeam (301) and a right crossbeam (302), and a bottom plate (303) at the bottom of the left crossbeam (301) and the right crossbeam (302), and a sunken space (M) is formed between the bottom plate (303) and the left crossbeam (301) and the right crossbeam (302); The sunken space (M) is used for installing tractor components.

2. The tractor frame according to claim 1, wherein: The front-end platform (100) includes a base (101), a front bumper (102) and a vertical plate (103), wherein, The connection panel (200) is connected to one end of the base (101); The front bumper (102) is installed at the other end of the base (101); The vertical plate (103) is arranged between the base (101) and the front bumper (102).

3. The tractor frame according to claim 1 or 2, characterized in that: The bottom height of the bottom plate (303) does not exceed the bottom of the front-end platform (100).

4. The tractor frame according to claim 3, characterized in that: The left crossbeam (301) and the right crossbeam (302) are integrally formed by plate-shaped manufacturing, and the outer contours of the left crossbeam (301) and the right crossbeam (302) are the same.

5. The tractor frame according to claim 1, 2 or 4, characterized in that: The crossbeam group (300) includes a front end (304), a middle part (305) and a rear end (306); The front end (304) is connected to the connection panel (200); The middle part (305) is connected to the bottom plate (303); A rear support (400) is connected to the rear end (306).

6. The tractor frame according to claim 5, characterized in that: The front end (304) is provided with a front axle groove (304a) for installing a front axle; The rear end (306) is provided with a rear axle groove (306a) for installing a rear axle.

7. The tractor frame according to claim 5, characterized in that: One side of the middle part (305) is provided with an oil tank groove (305a) for an oil pipeline to pass through; The other side of the middle part (305) is provided with a pipeline groove (305b) for an air filter line to pass through.

8. The tractor frame according to claim 6 or 7, characterized in that: The rear end (306) is provided with a stress relief block (306b).

9. The tractor frame according to claim 1, 2, 4, 6 or 7, characterized in that: A plurality of counterweight blocks (307) are provided on the left crossbeam (301) and the right crossbeam (302).

10. The tractor frame according to claim 1, 2, 4, 6 or 7, characterized in that: Module plates (500) are provided on both sides of the crossbeam group (300), and the module plates (500) extending backward from the connection panel (200) are respectively a front module plate (501), a middle module plate (502) and a rear module plate (503).

11. A tractor, characterized in that: Including a gearbox, an engine, a drive shaft and wheels, and its vehicle frame adopts the tractor vehicle frame.

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