Frame of mining wide-body vehicle

Abstract

The utility model relates to the technical field of engineering machinery, and discloses a mining wide-body vehicle frame which comprises a first longitudinal beam and a second longitudinal beam, the first longitudinal beam comprises a first bending part, the first bending part is arranged at one end, close to a first cross beam, of the first longitudinal beam, and the first bending part is formed by bending the first longitudinal beam in the direction away from the second longitudinal beam; the first longitudinal beam comprises a first bending part, the bending angle of the first bending part is 150 degrees, the second longitudinal beam comprises a second bending part, the second bending part is arranged at the end, close to the first transverse beam, of the second longitudinal beam, the second bending part is formed by bending the second longitudinal beam in the direction away from the first longitudinal beam, and the bending angle of the second bending part is 150 degrees. An opening area is formed among the first bent part, the second bent part and the first cross beam and used for containing a heat dissipation device and an engine. According to the mining wide-body vehicle frame, a large-size radiator can be placed, stress concentration is reduced, the strength of the frame can be improved, and the reliability and stability of the frame are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering machinery field, concretely relates to a mine wide-body vehicle frame. BACKGROUND

[0002] The mine dump truck (hereinafter referred to as mine truck) is widely used in large mines, and is used for transporting earthwork and stone materials, and has the characteristics of large load capacity and poor running road; the frame of the mine dump truck is the machine body for bearing, supporting and installing the mine truck, and is the most important structural component of the mine truck. At present, there are two main frames of the mine truck: flexible frame and rigid frame. The flexible frame is suitable for medium and small tonnage mine trucks, and mainly adopts riveting form; the rigid frame can be used for medium and large tonnage mine trucks, and adopts welding form, and has better strength and reliability.

[0003] Taking the rigid frame as an example, the existing frame includes left and right longitudinal beams arranged symmetrically, and the distance between the left and right longitudinal beams is equal. The longitudinal structure of the frame is relatively narrow and fixed, which is not conducive to the arrangement of a large heat dissipation device at the front end position, and only a small size radiator can be placed. The small size radiator refers to the radiator used by the medium and small tonnage mine truck, and the medium and small tonnage refers to less than 100 tons. When the vehicle requires a large size radiator, the frame cannot meet the requirement. The large size radiator refers to the radiator used by the large tonnage mine dump truck, and the large tonnage refers to more than 100 tons. SUMMARY

[0004] In view of the above problems, the utility model embodiment provides a mine wide-body vehicle frame for solving the problem that the large size radiator cannot be placed in the prior art, improving the strength of the frame, reducing the stress concentration phenomenon, and increasing the reliability and stability of the frame.

[0005] The utility model provides a mine wide-body vehicle frame, which comprises a first longitudinal beam, a second longitudinal beam, a first cross beam, a second cross beam and a tail beam, the first longitudinal beam and the second longitudinal beam are arranged oppositely, the first cross beam, the second cross beam and the tail beam are fixedly connected between the first longitudinal beam and the second longitudinal beam respectively, and the second cross beam is arranged between the first cross beam and the tail beam, characterized in that the first longitudinal beam comprises a first bending part, the first bending part is arranged at one end of the first longitudinal beam close to the first cross beam, the first bending part is bent from the first longitudinal beam to form a direction away from the second longitudinal beam, and the bending angle of the first bending part is 150 DEG; the second longitudinal beam comprises a second bending part, the second bending part is arranged at one end of the second longitudinal beam close to the first cross beam, the second bending part is bent from the second longitudinal beam to form a direction away from the first longitudinal beam, and the bending angle of the second bending part is 150 DEG; an opening area is formed between the first bending part, the second bending part and the first cross beam, and the opening area is used for placing a heat dissipation device and an engine.

[0006] In an embodiment, the first longitudinal beam further comprises a first horizontal portion fixedly connected to the first bent portion, and the second longitudinal beam further comprises a second horizontal portion fixedly connected to the second bent portion, wherein the distance between the first bent portion and the second bent portion is greater than the distance between the first horizontal portion and the second horizontal portion.

[0007] In an embodiment, the first bent portion comprises a first portion and a second portion, wherein the first portion is arranged obliquely, the second portion is arranged parallel to the first horizontal portion, the first portion is connected between the first horizontal portion and the second portion, and the first portion and the second portion are respectively connected in an arc shape; the second bent portion comprises a third portion and a fourth portion, wherein the third portion is arranged obliquely, the fourth portion is arranged parallel to the second horizontal portion, the third portion is connected between the second horizontal portion and the fourth portion, and the third portion and the fourth portion are respectively connected in an arc shape.

[0008] In an embodiment, the first portion is adjacent to a first side of the second longitudinal beam, the second portion is adjacent to a second side of the second longitudinal beam, and the bending angle of the first bent portion is the included angle between the first side and the second side;

[0009] the third portion is adjacent to a third side of the first longitudinal beam, the fourth portion is adjacent to a fourth side of the first longitudinal beam, and the bending angle of the second bent portion is the included angle between the third side and the fourth side.

[0010] In an embodiment, the frame further comprises a traction beam connected between the first longitudinal beam and the second longitudinal beam; the frame further comprises a first rear longitudinal push rod seat and a second rear longitudinal push rod seat arranged symmetrically, wherein the first rear longitudinal push rod seat is fixedly connected to one end of the traction beam adjacent to the first longitudinal beam, the second rear longitudinal push rod seat is fixedly connected to one end of the traction beam adjacent to the second longitudinal beam, and the first rear longitudinal push rod seat and the second rear longitudinal push rod seat are used for mounting the longitudinal push rod of the rear drive axle.

[0011] In an embodiment, the traction beam is a hollow structure.

[0012] In an embodiment, the frame comprises an upper portal frame and a lower portal frame, wherein one end of the upper portal frame is connected to the upper surface of the first longitudinal beam, the other end of the upper portal frame is connected to the upper surface of the second longitudinal beam, one end of the lower portal frame is connected to the lower surface of the first longitudinal beam, the other end of the lower portal frame is connected to the lower surface of the second longitudinal beam, and a protection area is formed between the upper portal frame and the lower portal frame, and the protection area is used for protecting the engine.

[0013] In an embodiment, the frame further comprises a first front longitudinal push rod seat, a second front longitudinal push rod seat, and a connecting rod, the first front longitudinal push rod seat and the second front longitudinal push rod seat are symmetrically arranged, the connecting rod is fixedly connected between the first front longitudinal push rod seat and the second front longitudinal push rod seat, the first front longitudinal push rod seat is fixedly connected to the first longitudinal beam, and the second front longitudinal push rod seat is fixedly connected to the second longitudinal beam.

[0014] In an embodiment, the frame comprises a first oil cylinder seat and a second oil cylinder seat, the first oil cylinder seat is fixedly connected to the first longitudinal beam, the second oil cylinder seat is fixedly connected to the second longitudinal beam, the first oil cylinder seat and the second oil cylinder seat are respectively arranged corresponding to the upper portal frame, the first oil cylinder seat is used for fixing a first oil cylinder, the second oil cylinder seat is used for fixing a second oil cylinder, and the first oil cylinder and the second oil cylinder are used for being connected with a front axle.

[0015] In an embodiment, the frame comprises a third oil cylinder seat and a fourth oil cylinder seat, the third oil cylinder seat is fixedly connected to one end of the first longitudinal beam close to the tail beam, the fourth oil cylinder seat is fixedly connected to one end of the second longitudinal beam close to the tail beam, the third oil cylinder seat is used for fixing a third oil cylinder, the second oil cylinder seat is used for fixing a fourth oil cylinder, and the third oil cylinder and the fourth oil cylinder are used for being connected with a rear axle.

[0016] In an embodiment, the first cross beam comprises a first connecting portion, an intermediate portion, and a second connecting portion, the intermediate portion is fixedly connected between the first connecting portion and the second connecting portion, the first longitudinal beam and the second longitudinal beam are respectively fixedly connected to the intermediate portion, the first connecting portion is matched with the first oil cylinder seat to be used for mounting a right platform, and the second connecting portion is matched with the second oil cylinder seat to be used for mounting a cab.

[0017] The first longitudinal beam is bent to form a first bending portion, the bending angle of the first bending portion is 150°, the second longitudinal beam is bent to form a second bending portion, the bending angle of the second bending portion is 150°, and an opening area is formed between the first bending portion, the second bending portion, and the first cross beam, which can be used for placing a radiator and an engine for a hundred-ton mine car, so that stress concentration can be effectively relieved, rigidity fluctuation caused by structure mutation can be prevented, the reliability and stability of the frame as a whole are improved, and manufacturing cost is reduced.

[0018] The above description is only a summary of the technical scheme of the embodiments of the utility model, in order to more clearly understand the technical means of the embodiments of the utility model, which can be implemented according to the content of the specification, and in order to let the above and other purposes, characteristics and advantages of the embodiments of the utility model can be more obvious and easy to understand, the specific implementation of the utility model is as follows. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the drawings shown.

[0020] Figure 1 The structural schematic diagram of the frame of the present application is shown.

[0021] Figure 2 is Figure 1 The enlarged structural schematic diagram of A in the middle.

[0022] Explanation of reference numerals: opening area-101; protection area-102; first longitudinal beam-11; first bending part-111; first part-1111; first side-1111a; second part-1112; second side-1112a; first horizontal part-112; second longitudinal beam-12; second bending part-121; third part-1211; fourth part-1212; second horizontal part-122; first cross beam-13; first connecting part-131; middle part-132; second connecting part-133; second cross beam-14; traction beam-15; tail beam-16; upper portal frame-171; lower portal frame-172; first front longitudinal push rod seat-177; second front longitudinal push rod seat-178; connecting rod-179; first rear longitudinal push rod seat-181; second rear longitudinal push rod seat-182; first cross push rod seat-183; turnover seat-185; first oil cylinder seat-191; second oil cylinder seat-192; third oil cylinder seat-193; fourth oil cylinder seat-194.

[0023] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] It should be noted that if the embodiment of the utility model has the directionality indication (such as up, down, left, right, front, back, etc.), the directionality indication is only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, then the directionality indication also changes accordingly.

[0026] In addition, if the embodiment of the utility model has the description of "first", "second", etc., the description of "first", "second", etc. is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the protection scope required by the utility model.

[0027] As Figure 1 and Figure 2As shown, the mine wide-body vehicle frame includes a first longitudinal beam 11, a second longitudinal beam 12, a first cross beam 13, a second cross beam 14 and a tail beam 16, the first longitudinal beam 11 and the second longitudinal beam 12 are oppositely arranged, the first cross beam 13, the second cross beam 14 and the tail beam 16 are fixedly connected between the first longitudinal beam 11 and the second longitudinal beam 12, the second cross beam 14 is arranged between the first cross beam 13 and the tail beam 16, the first longitudinal beam 11 includes a first bending part 111, the first bending part 111 is arranged at one end of the first longitudinal beam 11 close to the first cross beam 13, the first bending part 111 is bent from the first longitudinal beam 11 to a direction away from the second longitudinal beam 12, and the bending angle of the first bending part 111 is 150°; the second longitudinal beam 12 includes a second bending part 121, the second bending part 121 is arranged at one end of the second longitudinal beam 12 close to the first cross beam 13, the second bending part 121 is bent from the second longitudinal beam 12 to a direction away from the first longitudinal beam 11, and the bending angle of the second bending part 121 is 150°; an opening area 101 is formed between the first bending part 111, the second bending part 121 and the first cross beam 13, and the opening area 101 is used for placing a large heat dissipation device and an engine, and the effective arrangement of the large heat sink helps to improve the heat dissipation efficiency of the engine, thereby preventing the overheating of the engine and the resulting unexpected shutdown failure; the heat dissipation device and the engine are used for large-tonnage mine vehicles, at least for more than 100 tons, and the mine vehicle refers to a mine dump truck; it should be noted that the first longitudinal beam 11, the second longitudinal beam 12, the first cross beam 13, the second cross beam 14 and the tail beam 16 are all integrally welded structures, in the embodiment, the whole frame is made of high-strength steel, and the structure of the frame is all welded.

[0028] In the embodiment of the utility model, the first bending part 111 is bent from the first longitudinal beam 11, the bending angle of the first bending part 111 is 150°, the second bending part 121 is bent from the second longitudinal beam 12, the bending angle of the first bending part 121 is 150°, the opening area 101 is formed between the first bending part 111, the second bending part 121 and the first cross beam 13, and the opening area 101 can be used for placing the radiator and the engine of the 100-ton mine vehicle, which not only can effectively alleviate the stress concentration phenomenon and prevent the rigidity fluctuation caused by the structure mutation, but also improves the reliability and stability of the whole frame and reduces the manufacturing cost.

[0029] Preferably, the first longitudinal beam 11 further includes a first horizontal part 112, the first horizontal part 112 is fixedly connected to the first bending part 111, the second longitudinal beam 12 further includes a second horizontal part 122, the second horizontal part 122 is fixedly connected to the second bending part 121, and the distance between the first bending part 111 and the second bending part 121 is greater than the distance between the first horizontal part 112 and the second horizontal part 122. It can be understood that the first bending part 111 and the first horizontal part 112 are integrally formed, and the second bending part 121 and the second horizontal part 122 are integrally formed.

[0030] Preferably, the first bending part 111 comprises a first part 1111 and a second part 1112, the first part 1111 is arranged obliquely, the second part 1112 is arranged parallel to the first horizontal part 112, the first part 1111 is connected between the first horizontal part 112 and the second part 1112, and the first part 1111 and the second part 1112 are arc-shapedly connected; the second bending part 121 comprises a third part 1211 and a fourth part 1212, the third part 1211 is arranged obliquely, the fourth part 1212 is arranged parallel to the second horizontal part 122, the third part 1211 is connected between the second horizontal part 122 and the fourth part 1212, and the third part 1211 and the fourth part 1212 are arc-shapedly connected, which can reduce the stress concentration phenomenon and improve the fatigue resistance.

[0031] Preferably, the first part 1111 is a first side 1111a close to one side of the second longitudinal beam 12, the second part 1112 is a second side 1112a close to one side of the second longitudinal beam 12, and the bending angle of the first bending part 111 is the included angle between the first side 1111a and the second side 1112a; the third part 1211 is a third side close to one side of the first longitudinal beam 11, the fourth part 1212 is a fourth side close to one side of the first longitudinal beam 11, and the bending angle of the second bending part 121 is the included angle between the third side and the fourth side.

[0032] Preferably, the first longitudinal beam 11 is a box-shaped hollow structure, so that the cross section of the first longitudinal beam 11 is rectangular; the second longitudinal beam 12 is a box-shaped hollow structure, so that the cross section of the second longitudinal beam 12 is rectangular, which not only increases the utilization rate of materials and saves the cost of the frame, but also improves the load-bearing strength of the first longitudinal beam 11 and the second longitudinal beam 12.

[0033] Preferably, the frame comprises an upper portal beam 171 and a lower portal beam 172, one end of the upper portal beam 171 is connected to the upper surface of the first longitudinal beam 11, the other end of the upper portal beam 171 is connected to the upper surface of the second longitudinal beam 12, one end of the lower portal beam 172 is connected to the lower surface of the first longitudinal beam 11, and the other end of the lower portal beam 172 is connected to the lower surface of the second longitudinal beam 12, a protection area 102 is formed between the upper portal beam 171 and the lower portal beam 172, the upper portal beam 171 and the lower portal beam 172 form a ring beam structure, the protection area 102 is used to protect the engine, and the overall strength of the frame is increased.

[0034] Preferably, the frame further comprises a first front longitudinal push rod seat 177, a second front longitudinal push rod seat 178, and a connecting rod 179, the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178 are symmetrically arranged, the connecting rod 179 is fixedly connected between the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178, the fixed connection is preferably welding, the first front longitudinal push rod seat 177 is fixedly connected to the first longitudinal beam 11, the second front longitudinal push rod seat 178 is fixedly connected to the second longitudinal beam 12, the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178 are used for installing four longitudinal push rods of the front axle, the connecting rod 179 can increase the torsional rigidity of the frame, and deformation of the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178 to the inside or the outside is avoided; the inside refers to one side of the first longitudinal beam 11 close to the second longitudinal beam 12, or one side of the second longitudinal beam 12 close to the first longitudinal beam 11; the outside refers to one side of the first longitudinal beam 11 away from the second longitudinal beam 12, or one side of the second longitudinal beam 12 away from the first longitudinal beam 11.

[0035] Preferably, the frame further comprises a first front longitudinal push rod seat 177, a second front longitudinal push rod seat 178, and a connecting rod 179, the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178 are symmetrically arranged, the connecting rod 179 is fixedly connected between the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178, the fixed connection is preferably welding, the first front longitudinal push rod seat 177 is fixedly connected to the first longitudinal beam 11, the second front longitudinal push rod seat 178 is fixedly connected to the second longitudinal beam 12, the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178 are used for installing four longitudinal push rods of the front axle, the connecting rod 179 can increase the torsional rigidity of the frame, and deformation of the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178 to the inside or the outside is avoided; the inside refers to one side of the first longitudinal beam 11 close to the second longitudinal beam 12, or one side of the second longitudinal beam 12 close to the first longitudinal beam 11; the outside refers to one side of the first longitudinal beam 11 away from the second longitudinal beam 12, or one side of the second longitudinal beam 12 away from the first longitudinal beam 11.

[0036] Preferably, the frame further comprises a first front longitudinal push rod seat 177, a second front longitudinal push rod seat 178, and a connecting rod 179, the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178 are symmetrically arranged, the connecting rod 179 is fixedly connected between the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178, the fixed connection is preferably welding, the first front longitudinal push rod seat 177 is fixedly connected to the first longitudinal beam 11, the second front longitudinal push rod seat 178 is fixedly connected to the second longitudinal beam 12, the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178 are used for installing four longitudinal push rods of the front axle, the connecting rod 179 can increase the torsional rigidity of the frame, and deformation of the first front longitudinal push rod seat 177 and the second front longitudinal push rod seat 178 to the inside or the outside is avoided; the inside refers to one side of the first longitudinal beam 11 close to the second longitudinal beam 12, or one side of the second longitudinal beam 12 close to the first longitudinal beam 11; the outside refers to one side of the first longitudinal beam 11 away from the second longitudinal beam 12, or one side of the second longitudinal beam 12 away from the first longitudinal beam 11.

[0037] Preferably, the frame comprises a first oil cylinder seat 191 and a second oil cylinder seat 192, the first oil cylinder seat 191 and the second oil cylinder seat 192 are symmetrically arranged, the first oil cylinder seat 191 is fixedly connected to the first longitudinal beam 11, and specifically, the first oil cylinder seat 191 is fixedly connected to the first longitudinal beam 11, and the second oil cylinder seat 192 is fixedly connected to the second longitudinal beam 12, wherein the second oil cylinder seat 192 is fixedly connected to the second longitudinal beam 12, the first oil cylinder seat 191 and the second oil cylinder seat 192 are respectively arranged corresponding to the upper gantry 171, the first oil cylinder seat 191 is used for fixing a first oil cylinder, the second oil cylinder seat 192 is used for fixing a second oil cylinder, and the first oil cylinder and the second oil cylinder are used for being connected with a front axle; the first oil cylinder and the second oil cylinder are suspension oil cylinders, which can be understood as spring members connecting the frame and the front axle, and have the functions of buffering and supporting.

[0038] Preferably, the frame comprises a third oil cylinder seat 193 and a fourth oil cylinder seat 194, the third oil cylinder seat 193 and the fourth oil cylinder seat 194 are symmetrically arranged, the third oil cylinder seat 193 and the fourth oil cylinder seat 194 are respectively provided with two, two third oil cylinder seats 193 are arranged in the length direction of the first longitudinal beam 11, and two fourth oil cylinder seats 194 are arranged in the length direction of the second longitudinal beam 12, the third oil cylinder seat 193 is fixedly connected to one end of the first longitudinal beam 11 close to the tail beam 16, the fourth oil cylinder seat 194 is fixedly connected to one end of the second longitudinal beam 12 close to the tail beam 16, the third oil cylinder seat 193 is used for fixing a third oil cylinder, and the second oil cylinder seat 192 is used for fixing a fourth oil cylinder, and the third oil cylinder and the fourth oil cylinder are used for being connected with a rear axle, the third oil cylinder and the fourth oil cylinder are suspension oil cylinders, which can be understood as spring members connecting the frame and the rear axle, and have the functions of buffering and supporting.

[0039] Preferably, the first cross beam 13 comprises a first connecting portion, an intermediate portion and a second connecting portion, the intermediate portion is fixedly connected between the first connecting portion and the second connecting portion, the first longitudinal beam 11 and the second longitudinal beam 12 are respectively fixedly connected to the intermediate portion, the first connecting portion is matched with the first oil cylinder seat 191 to be used for mounting a right platform, and the second connecting portion is matched with the second oil cylinder seat 192 to be used for connecting a cab. Specifically, the first connecting portion is matched with the first fixed plate of the first oil cylinder seat 191 to be used for mounting the right platform, the right platform is used for placing accessories of an engine or for an overhauling personnel to overhaul the engine, and the second connecting portion is matched with the first fixed plate of the second oil cylinder seat 192 to mount the cab, so that the first cross beam 13 integrates the mounting functions of the bumper, the cab and the right platform, and the overall integration of the frame is higher.

[0040] Preferably, the frame further comprises two turnover seats 185, the turnover seats 185 are fixedly connected to the tail beam 16, and each turnover seat 185 is arranged in the length direction of the tail beam 16, a cargo compartment tail of the mine car is hinged to the turnover seat 185, and when the cargo compartment of the mine car needs to be turned over, the turnover seat 185 is used as a hinge point to turn over.

[0041] In the embodiment, the first front longitudinal push rod seat 177, the second front longitudinal push rod seat 178, the first rear longitudinal push rod seat 181, the second rear longitudinal push rod seat 182, the first transverse push rod seat 183, the second transverse push rod seat, the first mounting seat, the second mounting seat, the third mounting seat, the fourth mounting seat, the first oil cylinder seat 191, the second oil cylinder seat 192, the third oil cylinder seat 193, the fourth oil cylinder seat 194 and the turnover seat 185 are collectively referred to as suspension supports, and the suspension supports are welded on the surface of the frame and play a role of connecting and supporting other parts outside the frame.

[0042] The above is only optional embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.

Claims

1. A mine wide-body vehicle frame, comprising a first longitudinal beam (11), a second longitudinal beam (12), a first cross beam (13), a second cross beam (14) and a tail beam (16), the first longitudinal beam (11) and the second longitudinal beam (12) are oppositely arranged, the first cross beam (13), the second cross beam (14) and the tail beam (16) are respectively fixedly connected between the first longitudinal beam (11) and the second longitudinal beam (12), and the second cross beam (14) is arranged between the first cross beam (13) and the tail beam (16), characterized in that, The first longitudinal beam (11) comprises a first bent portion (111), which is arranged at one end of the first longitudinal beam (11) close to the first transverse beam (13), and is formed by bending the first longitudinal beam (11) away from the second longitudinal beam (12) at an angle of 150°. The second longitudinal beam (12) comprises a second bent portion (121), which is arranged at one end of the second longitudinal beam (12) close to the first transverse beam (13), and is formed by bending the second longitudinal beam (12) away from the first longitudinal beam (11) at an angle of 150°. The first bent portion (111), the second bent portion (121) and the first transverse beam (13) form an opening area (101) for placing a heat dissipation device and an engine.

2. The mine wide body vehicle frame of claim 1, wherein, The first longitudinal beam (11) further comprises a first horizontal portion (112) fixedly connected to the first bent portion (111), and the second longitudinal beam (12) further comprises a second horizontal portion (122) fixedly connected to the second bent portion (121). The distance between the first bent portion (111) and the second bent portion (121) is greater than the distance between the first horizontal portion (112) and the second horizontal portion (122).

3. The mine wide body vehicle frame of claim 2, wherein, The first bent portion (111) comprises a first portion (1111) and a second portion (1112). The first portion (1111) is arranged obliquely, and the second portion (1112) is arranged parallel to the first horizontal portion (112). The first portion (1111) is connected between the first horizontal portion (112) and the second portion (1112), and the first portion (1111) and the second portion (1112) are connected in an arc shape. The second bent portion (121) comprises a third portion (1211) and a fourth portion (1212). The third portion (1211) is arranged obliquely, and the fourth portion (1212) is arranged parallel to the second horizontal portion (122). The third portion (1211) is connected between the second horizontal portion (122) and the fourth portion (1212), and the third portion (1211) and the fourth portion (1212) are connected in an arc shape.

4. The mine wide body vehicle frame of claim 3, wherein, The side of the first portion (1111) close to the second longitudinal beam (12) is a first side (1111a), and the side of the second portion (1112) close to the second longitudinal beam (12) is a second side (1112a). The bending angle of the first bent portion (111) is the included angle between the first side (1111a) and the second side (1112a). The third part (1211) is a third side surface close to one side surface of the first longitudinal beam (11), and the fourth part (1212) is a fourth side surface close to one side surface of the first longitudinal beam (11), and the bending angle of the second bending part (121) is an included angle between the third side surface and the fourth side surface.

5. The mine wide body vehicle frame of claim 1 wherein, The frame further comprises a traction beam (15) connected between the first longitudinal beam (11) and the second longitudinal beam (12), and the frame further comprises symmetrically arranged first and second rear longitudinal push rod seats (181) and (182), the first rear longitudinal push rod seat (181) being fixedly connected to one end of the traction beam (15) close to the first longitudinal beam (11), and the second rear longitudinal push rod seat (182) being fixedly connected to one end of the traction beam (15) close to the second longitudinal beam (12), the first and second rear longitudinal push rod seats (181) and (182) being used for mounting longitudinal push rods of a rear axle.

6. The mine wide body vehicle frame of claim 5, wherein, The traction beam (15) is a box-shaped hollow structure.

7. The mine wide body vehicle frame of claim 1 wherein, The frame comprises an upper portal frame (171) and a lower portal frame (172), one end of the upper portal frame (171) being connected to an upper surface of the first longitudinal beam (11), the other end of the upper portal frame (171) being connected to an upper surface of the second longitudinal beam (12), one end of the lower portal frame (172) being connected to a lower surface of the first longitudinal beam (11), and the other end of the lower portal frame (172) being connected to a lower surface of the second longitudinal beam (12), a protection area (102) being formed between the upper portal frame (171) and the lower portal frame (172), and the protection area (102) being used for protecting the engine.

8. The mine wide body vehicle frame of claim 1 wherein, The frame comprises first and second oil cylinder seats (191) and (192), the first oil cylinder seat (191) being fixedly connected to the first longitudinal beam (11), and the second oil cylinder seat (192) being fixedly connected to the second longitudinal beam (12), the first and second oil cylinder seats (191) and (192) being respectively arranged corresponding to the upper portal frame, the first oil cylinder seat (191) being used for fixing a first oil cylinder, and the second oil cylinder seat (192) being used for fixing a second oil cylinder, the first and second oil cylinders being used for connecting with a front axle.

9. The mine wide body vehicle frame of claim 8, wherein, The frame comprises third and fourth oil cylinder seats (193) and (194), the third oil cylinder seat (193) being fixedly connected to one end of the first longitudinal beam (11) close to the tail beam (16), and the fourth oil cylinder seat (194) being fixedly connected to one end of the second longitudinal beam (12) close to the tail beam (16), the third oil cylinder seat (193) being used for fixing a third oil cylinder, and the fourth oil cylinder seat (192) being used for fixing a fourth oil cylinder, the third and fourth oil cylinders being used for connecting with a rear axle.

10. The mine wide body vehicle frame of claim 9, wherein, The first cross beam (13) comprises a first connecting part, an intermediate part and a second connecting part, the intermediate part is fixedly connected between the first connecting part and the second connecting part, the first longitudinal beam (11) and the second longitudinal beam (12) are respectively fixedly connected to the intermediate part, the first connecting part cooperates with the first oil cylinder seat (191) for mounting the right platform, and the second connecting part cooperates with the second oil cylinder seat (192) for mounting the cab.

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