A high-rigidity impact-resistant truck frame lightweight structure

Abstract

The application discloses a kind of high rigidity impact-resistant truck frame light-weight structure, it is related to truck frame technical field, including installation frame one and installation frame two, installation frame one and installation frame two one side are respectively fixedly connected with splice plate one and splice plate two.In the application, the bolt connection between limiting bolt and limiting piece, the bolt connection between limiting piece and buffer piece, the installation and disassembly of buffer piece between installation frame one and installation frame two can be realized by limiting piece, buffer rod one and buffer piece can be the buffer protection of both sides of truck frame, reduce the damage and deformation when truck frame is used, can guarantee the normal use of truck frame main body, when buffer rod one and buffer piece are severely deformed, it can be quickly replaced, without disassembling truck frame as a whole, it is more convenient to operate, can reduce the interference to the rest structure of truck frame, support plate can guide the movement of hinged piece, improve the buffer effect on the bottom of top plate, reduce the damage of truck frame top.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of truck frame, in particular to a high-rigidity and impact-resistant truck frame lightweight structure. BACKGROUND

[0002] The frame is a frame structure across the front and rear axles of the vehicle, commonly known as the girder, which is the base of the vehicle. It is generally composed of two longitudinal beams and several cross beams, supported on the wheels through suspension devices, front axle and rear axle. The truck frame is a frame structure across the front and rear axles of the truck.

[0003] For example, Chinese patent CN210310556U discloses an electric light truck frame, which comprises a truss frame body, a device compartment arranged at the front end of the truss frame body, and a power battery compartment arranged at the middle part of the truss frame body. The truss frame body is composed of 30-35 rectangular tubes connected in an alternating manner, and further comprises a tail end compartment arranged at the rear end of the truss frame body, which is arranged along the radial direction of the truss frame body.

[0004] In the above patent, although the truss frame body solves the problem of needing to use a bracket for installation when installing accessories, the truss frame body is made of integral tailor-welding. When a single tube of the frame is deformed under stress, it cannot be individually disassembled and replaced, and the entire frame needs to be replaced, increasing the difficulty of frame maintenance. SUMMARY

[0005] The present application aims to provide a high-rigidity and impact-resistant truck frame lightweight structure to solve the problem that the truss frame body is made of integral tailor-welding, and when a single tube of the frame is deformed under stress, it cannot be individually disassembled and replaced, and the entire frame needs to be replaced, increasing the difficulty of frame maintenance.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a high-rigidity and impact-resistant truck frame lightweight structure, comprising a mounting frame one and a mounting frame two, one side of the mounting frame one and the mounting frame two is fixedly connected with a splice plate one and a splice plate two respectively, the splice plate one and the splice plate two are connected through bolts, one side of the mounting frame one and the mounting frame two is connected with a mounting piece through bolts, one side of the mounting piece is fixedly connected with a side plate, one side of the side plate is provided with an auxiliary mechanism.

[0007] The auxiliary mechanism includes a mounting plate, a buffer component, and a fixing rod. A fixing rod and an L-shaped rod are fixedly connected to one side of the mounting plate. A connector is fixedly connected to the other end of both the L-shaped rod and the fixing rod. A buffer rod is inserted through the connector. One side of the buffer rod is fixedly connected to the buffer component. A crossbar is fixedly connected to one side of the buffer component. One end of the crossbar is fixedly connected to the buffer rod. A limiter is bolted to one side of the buffer component. One end of the limiter passes through mounting bracket one and mounting bracket two. A limit bolt is threadedly connected between the limiter and mounting bracket one and mounting bracket two.

[0008] Preferably, a support plate is fixedly connected to the top of the side plate, and limit plates are fixedly connected to both sides of the support plate. A trapezoidal plate is slidably connected to one side of the limit plate, and the bottom of the trapezoidal plate is engaged with the side plate.

[0009] Preferably, a vertical rod is fixedly connected to the bottom of the trapezoidal plate, and a diagonal rod is fixedly connected to one side of the vertical rod, with the top of the diagonal rod fixedly connected to the trapezoidal plate.

[0010] Preferably, an inner plate is engaged with one side of the side plate, a support rod is fixedly connected to the top of the inner plate, a square rod is engaged with one side of the side plate, and a reinforcing rod one and a reinforcing rod two are inserted through the square rod and the inner plate, respectively, and the two ends of the reinforcing rod one and the reinforcing rod two are respectively inserted into the mounting bracket one and the mounting bracket two.

[0011] Preferably, an auxiliary component two is fixedly connected to one side of the square rod, the top of the auxiliary component two is inserted into the vertical rod, a diagonal rod two is engaged on one side of the auxiliary component two, and a engaging block is engaged on one side of the diagonal rod two.

[0012] Preferably, an auxiliary component is fixedly connected to one side of the locking block, and the auxiliary component is penetrated by a reinforcing rod.

[0013] Preferably, a buffer assembly is provided above the second reinforcing rod. The buffer assembly includes a top plate, a hinge, and a guide plate. The bottom of the top plate is fixedly connected to the guide plate, and one side of the guide plate is slidably connected to the limiting plate.

[0014] Preferably, one end of the second buffer rod is fixedly connected to the bottom of the top plate, and the bottom of the second buffer rod is connected to the support plate by bolts.

[0015] Preferably, an auxiliary rod is hinged to the bottom of the top plate, the bottom of the auxiliary rod is hinged to a hinge member, and the bottom of the hinge member is slidably connected to the support plate.

[0016] Preferably, the top plate has a mounting hole at the top and a slot at the bottom, which engages with the top of the support rod.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] In the application, the limiting bolt is connected between the limiting piece and the buffer piece, and the limiting piece is connected between the buffer piece and the mounting frame, so that the buffer piece can be mounted and dismounted between the mounting frame I and the mounting frame II, the buffer rod I and the buffer piece can buffer and protect the two sides of the frame, reduce the damage and deformation of the frame during use, ensure the normal use of the frame body, and the buffer rod I and the buffer piece can be quickly replaced without disassembling the whole frame, so that the operation is more convenient, the difficulty of frame maintenance is reduced, and the interference on the rest structure of the frame is reduced.

[0019] In the application, the supporting plate is fixedly connected with the limiting plate, the bottom of the limiting plate is fixedly connected with the side plate, the trapezoidal plate is clamped with the side plate, the connection between the vertical rod and the auxiliary piece II is guided, the two sides of the auxiliary piece II are connected with the auxiliary piece I through the inclined rod II, the connection between the reinforcing rod I and the reinforcing rod II is reinforced through the inclined rod II, the side of the side plate is supported through the built-in plate and the square rod, and the overall torsional stiffness and impact resistance of the frame are improved.

[0020] 3, In the application, the top of the supporting rod is clamped with the top plate, the guiding plate is slidably connected with the limiting plate, the top plate is guided on the top of the supporting plate through the supporting rod, the bottom of the top plate is buffered through the compression of the buffer rod II, the movement of the hinge piece is guided through the change of the inclination angle of the auxiliary rod, the stability of the hinge piece moving along the supporting plate is improved, the buffering effect of the bottom of the top plate is improved, the damage of the top of the frame is reduced, and the service life of the frame is ensured. DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the high-rigidity and impact-resistant truck frame lightweight structure;

[0022] Figure 2 It is a buffer rod I structure schematic view of the high-rigidity and impact-resistant truck frame lightweight structure;

[0023] Figure 3 It is a guiding plate structure installation schematic view of the high-rigidity and impact-resistant truck frame lightweight structure;

[0024] Figure 4 It is an auxiliary rod and hinge piece structure connection schematic view of the high-rigidity and impact-resistant truck frame lightweight structure;

[0025] Figure 5 It is a supporting rod structure installation schematic view of the high-rigidity and impact-resistant truck frame lightweight structure;

[0026] Figure 6It is a vertical rod and inclined rod structure connection schematic view of a high-rigidity impact-resistant truck frame lightweight structure of the present application;

[0027] Figure 7 It is a auxiliary part two structure installation schematic view of a high-rigidity impact-resistant truck frame lightweight structure of the present application.

[0028] In the figure:

[0029] 1, mounting frame one; 11, splice plate one; 2, auxiliary mechanism; 21, mounting plate; 22, limiting part; 23, buffer part; 24, L-shaped rod; 25, buffer rod one; 26, connecting part; 27, fixed rod; 28, cross rod; 29, limiting bolt; 3, mounting frame two; 31, splice plate two; 4, side plate; 41, trapezoidal plate; 42, limiting plate; 43, support plate; 44, built-in plate; 45, support rod; 46, mounting part; 47, vertical rod; 48, inclined rod one; 5, buffer assembly; 51, top plate; 52, auxiliary rod; 53, hinged part; 54, buffer rod two; 55, guide plate; 6, reinforcing rod one; 61, square rod; 62, inclined rod two; 63, reinforcing rod two; 64, auxiliary part one; 65, clamping block; 66, auxiliary part two. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.

[0031] Embodiment one: refer to Figure 1 - Figure 7The truck frame light structure with high rigidity and impact resistance is shown, which comprises mounting frame one 1 and mounting frame two 3, and one side of the mounting frame one 1 and the mounting frame two 3 is fixedly connected with splice plate one 11 and splice plate two 31 respectively, the splice plate one 11 and the splice plate two 31 are connected through bolts, one side of the mounting frame one 1 and the mounting frame two 3 is connected with mounting piece 46 through bolts, one side of the mounting piece 46 is fixedly connected with side plate 4, and one side of the side plate 4 is provided with auxiliary mechanism 2; the auxiliary mechanism 2 comprises mounting plate 21, buffer piece 23 and fixed rod 27, one side of the mounting plate 21 is fixedly connected with fixed rod 27 and L-shaped rod 24 respectively, the L-shaped rod 24 and the fixed rod 27 are fixedly connected with connecting piece 26 at the other end, the connecting piece 26 is internally penetrated and provided with buffer rod one 25, one side of the buffer rod one 25 is fixedly connected with the buffer piece 23, one side of the buffer piece 23 is fixedly connected with cross rod 28, one end of the cross rod 28 is fixedly connected with the buffer rod one 25, and one side of the buffer piece 23 is connected with limiting piece 22 through bolts, one end of the limiting piece 22 penetrates the mounting frame one 1 and the mounting frame two 3 respectively, and the limiting piece 22 is connected with the mounting frame one 1, the mounting frame two 3 and the limiting bolt 29 through threads.

[0032] In the example, threaded holes are formed in the splice plate one 11 and the splice plate two 31, and the splice plate one 11 and the splice plate two 31 are connected through bolts, so that the connection between the two truck frames can be realized, the splicing of multiple truck frames is assisted, the use length of the truck frame is adjusted, the truck frame is matched with trucks of different sizes, the side plate 4 is connected with the mounting frame one 1 and the mounting frame two 3 through the mounting piece 46, the connection between the mounting frame one 1 and the mounting frame two 3 is realized through the side plate 4, the basic frame of the truck frame can be formed, the installation position of the limiting piece 22 in the mounting frame one 1 and the mounting frame two 3 is limited through the limiting bolt 29, the loosening of the limiting piece 22 is reduced, the stability of the buffer piece 23 and the limiting piece 22 is improved when they are connected, the buffer piece 23 is stably installed on one side of the side plate 4, so that the side plate 4 on one side is protected through the buffer piece 23, the collision of external force on the side plate 4 is reduced, and the deformation and damage of the side plate 4 are reduced;

[0033] Meanwhile, the L-shaped rod 24 and the fixed rod 27 form a triangular structure, which can support one side of the mounting plate 21, improve the stability of the mounting plate 21 during installation and use, and the one end of the buffer rod 25 is connected with the cross rod 28, which can reinforce the end of the buffer rod 25 through the cross rod 28. The buffer rod 25 is in a curved state and has a certain deformation amount, so that it can preliminarily buffer one side of the mounting plate 21. After the preliminary buffering of the buffer rod 25, the buffer piece 23 can buffer the external force received by the mounting plate 21 again, so that the external force can be avoided from directly contacting the side plate 4, the deformation of the side plate 4 caused by the stress can be reduced, and the normal use of the vehicle frame can be ensured. After the buffer rod 25 and the buffer piece 23 are damaged and deformed, the buffer rod 25 and the buffer piece 23 can be individually disassembled and replaced, which does not affect the normal use of other parts of the vehicle frame, and the vehicle frame does not need to be disassembled as a whole, and the operation is relatively convenient.

[0034] Embodiment two: according to Figure 1 Figure 7 As shown in the figure, the top of the side plate 4 is fixedly connected with a support plate 43, and the two sides of the support plate 43 are fixedly connected with limiting plates 42. The limiting plates 42 are slidably connected with trapezoidal plates 41 on one side, and the trapezoidal plates 41 are hingedly connected with the side plate 4 at the bottom. The trapezoidal plates 41 are fixedly connected with vertical rods 47 at the bottom, and the vertical rods 47 are fixedly connected with inclined rods 48 on one side. The inclined rods 48 are fixedly connected with the trapezoidal plates 41 at the top. The side plate 4 is hingedly connected with an internal plate 44 on one side, and the internal plate 44 is fixedly connected with support rods 45 at the top. The side plate 4 is hingedly connected with a square rod 61 on one side, and the square rod 61 and the internal plate 44 are internally penetrated and inserted with reinforcing rods 61 and reinforcing rods 63. The reinforcing rods 61 and the reinforcing rods 63 are respectively inserted with the mounting frame 1 and the mounting frame 3 at both ends. The square rod 61 is fixedly connected with an auxiliary piece 66 on one side, and the auxiliary piece 66 is inserted with the vertical rod 47 at the top. The auxiliary piece 66 is hingedly connected with an inclined rod 62 on one side, and the inclined rod 62 is hingedly connected with a clamping block 65 on one side. The clamping block 65 is fixedly connected with an auxiliary piece 64 on one side, and the auxiliary piece 64 is penetrated by the reinforcing rod 63.

[0035] ​In the embodiment, the supporting plate 43 can support and reinforce the limiting plates 42 on both sides, improve the stability of the connection between the supporting plate 43 and the side plates 4, the limiting plates 42 can guide the installation of the trapezoidal plates 41, so that the trapezoidal plates 41 can move downward along the limiting plates 42, the bottom side plates 4 are clamped, the installation of the trapezoidal plates 41 is realized, the auxiliary part two 66 can limit the installation of the vertical rods 47, so that the connection between the auxiliary part two 66 and the trapezoidal plates 41 is realized, the bottom of the trapezoidal plates 41 is supported, the stability of the trapezoidal plates 41 during use is improved, the built-in plates 44 can assist the connection of the side plates 4 on both sides, and can support the reinforcing rod one 6 and the reinforcing rod two 63, so that the reinforcing rod one 6 and the reinforcing rod two 63 remain horizontal, thereby improving the rigidity of the entire frame during use, the clamping block 65 can realize the connection between the inclined rod two 62 and the auxiliary part one 64, the other end of the inclined rod two 62 is connected through the auxiliary part two 66, the inclined rod two 62 is installed on both sides of the reinforcing rod one 6 to form a triangular structure with the reinforcing rod one 6, which can reduce the deformation of the frame during use, and the inclined rod two 62 is clamped and connected with the auxiliary part two 66 and the clamping block 65, respectively, which is also convenient for disassembling and replacing the inclined rod two 62, the auxiliary part one 64 can assist the connection between the clamping block 65 and the reinforcing rod two 63, so that after the installation of the inclined rod two 62, one side of the reinforcing rod two 63 can be reinforced, the longitudinal rigidity of the frame can be improved, and the frame has high rigidity and impact resistance.

[0036] Embodiment three: according to Figure 1 Figure 5 As shown in the figure, the reinforcing rod two 63 is provided with a buffer assembly 5, the buffer assembly 5 includes a top plate 51, a hinge part 53 and a guide plate 55, the bottom of the top plate 51 is fixedly connected with the guide plate 55, one side of the guide plate 55 is slidably connected with the limiting plate 42, one end of the buffer rod two 54 is fixedly connected to the bottom of the top plate 51, the bottom of the buffer rod two 54 is connected with the supporting plate 43 through bolts, the auxiliary rod 52 is hinged to the bottom of the top plate 51, the bottom of the auxiliary rod 52 is hinged with the hinge part 53, the hinge part 53 is slidably connected between the bottom of the top plate 51 and the supporting plate 43, the top of the top plate 51 is provided with a mounting hole, and the bottom of the top plate 51 is provided with a clamping groove, the clamping groove is clamped and connected with the top of the supporting rod 45.

[0037] ​In this embodiment, the top plate 51 can assist the connection of the truck body and the frame, the guide plate 55 and the limiting plate 42 are slidingly connected, which can guide the lifting of the top plate 51, the inner rod and the outer rod of the buffer rod two 54 are provided with springs, which can assist the length adjustment of the buffer rod two 54 by using the contraction of the spring, and then drive the upward movement of the top plate 51 to reset, the auxiliary rod 52 can support the support plate 43 and the top plate 51, which can improve the stability of the top plate 51 during lifting, the support plate 43 can guide the sliding of the hinge 53, thereby improving the buffering effect of the bottom of the top plate 51, the support rod 45 and the built-in plate 44 can support the bottom of the top plate 51, avoiding the middle part of the bottom of the top plate 51 being suspended, and the support rod 45 can also guide the installation of the top plate 51, reducing the deviation of the top plate 51 on the support plate 43, so that the guide plate 55 can slide and lift along the limiting plate 42.

[0038] The use method and working principle of the device are as follows: first, the bottom of the trapezoidal plate 41 is clamped with the two side plates 4, then the two side plates 4 are installed between the mounting frame one 1 and the mounting frame two 3 through the mounting piece 46, the connecting part is welded, then the limiting piece 22 is fixed through the limiting bolt 29, the limiting piece 22 is connected with the buffer piece 23 through the bolt, the installation of the buffer piece 23 on one side of the side plate 4 is realized, the top plate 51 is clamped on the top of the support rod 45, the auxiliary rod 52 is connected with the support plate 43 through the hinge 53 by rotating the auxiliary rod 52 at the bottom of the top plate 51, the assembly of the entire frame is realized, when the frame needs to be spliced for use, the two frames can be placed horizontally, the splice plate one 11 and the splice plate two 31 are connected through the bolt, the splicing of the frame is realized, the installation hole at the top of the top plate 51 can assist the connection of the body and the frame, and the mounting plate 21 can assist the connection of the structure on both sides of the vehicle;

[0039] During the use of the entire frame, when the mounting plate 21 is impacted by external force, the connecting piece 26 can support one side of the mounting plate 21, the buffer rod one 25 deforms to buffer one side of the mounting plate 21, and the deformation of the mounting plate 21 after being subjected to stress is reduced, when the deformation of the mounting plate 21 and the buffer rod one 25 is relatively serious, the limiting bolt 29 can be rotated to separate the limiting piece 22 from the mounting frame one 1 and the mounting frame two 3 respectively, then the buffer piece 23 is separated from the limiting piece 22, and the mounting plate 21 and the buffer piece 23 are disassembled and replaced;

[0040] When the top plate 51 is subjected to downward force, the guide plate 55 moves downward along the limiting plate 42, the buffer rod two 54 is compressed, the inclination angle of the auxiliary rod 52 changes, the bottom of the hinge 53 slides along the support plate 43 to buffer and protect the bottom of the top plate 51, the entire frame reduces the use of support structure pieces, has a lightweight effect, can reduce the overall weight of the frame, thereby improving the fuel economy, reducing emissions, improving the controllability and safety of the truck frame during use.

[0041] Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can be modified, or some of the technical features can be replaced by equivalent features, by those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lightweight structure for a high-rigidity, impact-resistant truck frame, comprising mounting bracket one (1) and mounting bracket two (3), characterized in that: The outer sides of the mounting frame 1 (1) and mounting frame 2 (3) are respectively fixedly connected with splicing plate 1 (11) and splicing plate 2 (31). When the vehicle frame needs to be spliced, the two vehicle frames are placed horizontally, and splicing plate 1 (11) and splicing plate 2 (31) are connected by bolts. The inner sides of the mounting frame 1 (1) and mounting frame 2 (3) are connected with mounting component (46) by bolts. A side plate (4) is fixedly connected to one side of the mounting component (46). The side plate (4) is used to realize the connection between mounting frame 1 (1) and mounting frame 2 (3). An auxiliary mechanism (2) is provided on one side of the side plate (4). The auxiliary mechanism (2) includes a mounting plate (21), a buffer (23), and a fixing rod (27). The mounting plate (21) is used to assist in the connection of the structures on both sides of the vehicle. The mounting plate (21) is fixedly connected to a fixing rod (27) and an L-shaped rod (24) at both ends. The fixing rod (27) and the L-shaped rod (24) form a triangular structure. The other end of the L-shaped rod (24) and the fixing rod (27) is fixedly connected to a connector (26). A buffer rod (25) is inserted through the connector (26). The buffer rod (25) is in a bent state and the buffer rod (25) bends towards the side plate (4). The buffer (23) is fixedly connected to the buffer (23). A crossbar (28) is fixedly connected to the side of the buffer (23) away from the connector (26). One end of the crossbar (28) is fixedly connected to the buffer rod (25). A limiter (22) is bolted to one side of the buffer (23). One end of the limiter (22) passes through the mounting frame (1) and the mounting frame (3) respectively. A limiter bolt (29) is threaded between the limiter (22) and the mounting frame (1) and the mounting frame (3). The limiter bolt (29) limits the installation position of the limiter (22) inside the mounting frame (1) and the mounting frame (3).

2. The lightweight structure for a high-rigidity, impact-resistant truck frame according to claim 1, characterized in that: The top of the side plate (4) is fixedly connected to a support plate (43), and both sides of the support plate (43) are fixedly connected to limit plates (42). A trapezoidal plate (41) is slidably connected to one side of the limit plate (42), and the bottom of the trapezoidal plate (41) is engaged with the side plate (4).

3. The lightweight structure for a high-rigidity, impact-resistant truck frame according to claim 2, characterized in that: A vertical rod (47) is fixedly connected to the bottom of the trapezoidal plate (41), and a diagonal rod (48) is fixedly connected to one side of the vertical rod (47). The top of the diagonal rod (48) is fixedly connected to the trapezoidal plate (41).

4. The lightweight structure for a high-rigidity, impact-resistant truck frame according to claim 3, characterized in that: The side plate (4) has an inner plate (44) attached to one side. The inner plate (44) has a support rod (45) fixedly connected to the top. The side plate (4) has a square rod (61) attached to one side. The square rod (61) and the inner plate (44) are both inserted with a first reinforcing rod (6) and a second reinforcing rod (63). The two ends of the first reinforcing rod (6) and the second reinforcing rod (63) are respectively inserted into the first mounting bracket (1) and the second mounting bracket (3).

5. The lightweight structure for a high-rigidity, impact-resistant truck frame according to claim 4, characterized in that: Auxiliary component two (66) is fixedly connected to one side of the square rod (61). The top of the auxiliary component two (66) is inserted into the vertical rod (47). A diagonal rod two (62) is engaged on one side of the auxiliary component two (66). A locking block (65) is engaged on one side of the diagonal rod two (62).

6. The lightweight structure for a high-rigidity, impact-resistant truck frame according to claim 5, characterized in that: The locking block (65) is fixedly connected to one side of an auxiliary component (64), which is penetrated by a reinforcing rod (63).

7. The lightweight structure for a high-rigidity, impact-resistant truck frame according to claim 6, characterized in that: A buffer assembly (5) is provided above the second reinforcing rod (63). The buffer assembly (5) includes a top plate (51), a hinge (53), and a guide plate (55). The bottom of the top plate (51) is fixedly connected to the guide plate (55), and one side of the guide plate (55) is slidably connected to the limiting plate (42).

8. The lightweight structure for a high-rigidity, impact-resistant truck frame according to claim 7, characterized in that: The bottom of the top plate (51) is fixedly connected to one end of the buffer rod (54), and the bottom of the buffer rod (54) is connected to the support plate (43) by bolts.

9. The lightweight structure for a high-rigidity, impact-resistant truck frame according to claim 8, characterized in that: The bottom of the top plate (51) is hinged to an auxiliary rod (52), the bottom of the auxiliary rod (52) is hinged to a hinge (53), and the bottom of the hinge (53) is slidably connected to the support plate (43).

10. The lightweight structure for a high-rigidity, impact-resistant truck frame according to claim 9, characterized in that: The top plate (51) has an installation hole at the top and a slot at the bottom, which engages with the top of the support rod (45).

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