A chassis side plate mechanism for a large transport vehicle

Abstract

The present invention relates to the technical field of large-scale transport vehicles, and discloses a chassis side plate mechanism of a large-scale transport vehicle, comprising a transport vehicle body, wherein positioning plates are arranged on both sides of the front and rear under the frame of the right side of the transport vehicle body, and lifting plates are movably arranged on the outer surfaces of the two positioning plates, and storage grooves are provided above the outer surfaces of the two lifting plates, and auxiliary mechanisms for facilitating climbing the transport vehicle are rotatably arranged in the two storage grooves; the present invention effectively solves the problem that when pedestrians collide with the two sides of the existing large-scale transport vehicle while driving, the pedestrians are easily rolled under the transport vehicle between the tires on both sides, and the pedestrians may be crushed and injured, which has certain potential risks, and the transport vehicle driver needs to climb onto the transport vehicle first when carrying goods, and some transport vehicle drivers are short in height, and because the height of the transport vehicle is high, it is difficult for the driver to climb onto the transport vehicle.

Description

Technical Field

[0001] The invention relates to the technical field of large transport vehicles, in particular to a chassis side plate mechanism of a large transport vehicle. Background Art

[0002] At present, transport trucks are divided into three types: light, medium and heavy. Transport trucks are mainly used to transport large quantities of goods. Generally, heavy-duty transport trucks are also called large transport trucks, with a load capacity of more than 8 tons. Due to their large load capacity and large size, they require higher driving skills from the driver. However, due to the large size of large transport trucks, there are visual blind spots when driving and turning, and because of their large overall weight, they cannot control the brakes in time. In recent years, there have been many traffic accidents caused by large transport trucks.

[0003] At present, when pedestrians hit the sides of the existing large transport vehicles while driving, the pedestrians are easily rolled into the chassis of the transport vehicle between the tires on both sides, and the pedestrians may be crushed and injured. This has certain potential risks. In addition, when transporting goods, the transport vehicle driver needs to climb onto the transport vehicle first. Some transport vehicle drivers are short in height, and because the height of the transport vehicle is high, it is difficult for the driver to climb onto the transport vehicle. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a side panel mechanism for the chassis of a large transport vehicle, which solves the problem that when pedestrians collide with the sides of the existing large transport vehicle while driving, the pedestrians are easily rolled under the transport vehicle between the tires on both sides, causing injuries to the pedestrians. This poses certain potential risks, and the transport vehicle driver needs to climb onto the transport vehicle before transporting goods. Some transport vehicle drivers are short in height, and because the height of the transport vehicle is high, it is difficult for the driver to climb onto the transport vehicle.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions:

[0008] A side plate mechanism for a chassis of a large transport vehicle, comprising a transport vehicle body, positioning plates are arranged on both the front and rear sides of the lower frame of the right side of the transport vehicle body, lifting plates are movably arranged on the outer surfaces of the two positioning plates, storage slots are arranged above the outer surfaces of the two lifting plates, and auxiliary mechanisms for facilitating climbing the transport vehicle are rotatably arranged in the two storage slots;

[0009] The left and right surfaces of the two lifting plates are both provided with cooling mechanisms for cooling the tires;

[0010] The inner surfaces of the two lifting plates are both provided with driving mechanisms for lifting the lifting plates up and down.

[0011] Preferably, rectangular grooves are provided on the left and right sides of the storage grooves on the two lifting plates, guide grooves are provided on the left and right surfaces of the two rectangular grooves, positioning grooves are provided at the lower ends of the multiple guide grooves, and electromagnets are provided in the multiple positioning grooves.

[0012] Preferably, the driving mechanism includes a ball screw, ball nuts are provided on both sides of the left and right sides of the outer surface of the ball screw, moving blocks are provided on the outer surfaces of the two ball nuts, the inner ends of the two moving blocks are hinged with connecting rods, and the ends of the two connecting rods away from the moving blocks are hinged to the lower part of the inner surface of the lifting plate, the right end of the ball screw is provided with a positioning plate through a bearing, the positioning plate is connected to the lower part of the frame on the right side of the transport vehicle body, the right end of the ball screw is connected to a stepper motor 1, and the left end of the ball screw is connected to the left side of the lower part of the frame of the transport vehicle body through a bearing, the outer surface of the output shaft of the stepper motor 1 is provided with a fixing plate 1 through a bearing, and the upper end surface of the fixing plate 1 is fixedly connected to the lower part of the frame of the transport vehicle body.

[0013] Preferably, the auxiliary mechanism includes a pedal, a rotating rod two and a stepper motor two, a rotating tube is provided at the upper end of the pedal, a rotating rod one is provided inside the rotating tube, the rotating rod one and the rotating tube are fixedly connected, a gear one is provided at the right end of the outer surface of the rotating rod one, a gear two is provided on the left side of the outer surface of the rotating rod two, a gear three is provided on the right side of the outer surface of the rotating rod two, the gear one is meshingly connected with the gear two, a gear four is provided on the outer surface of the output shaft of the stepper motor two, the gear three and the gear four are connected by a toothed belt, hinge grooves are provided on the left and right sides of the inner surface of the pedal, and support mechanisms are hinged under the two hinge grooves.

[0014] Preferably, the supporting mechanism includes a supporting plate, a cylindrical pin 1 is arranged in the lower end of the supporting plate, a cylindrical pin 2 is arranged in the upper end of the supporting plate, movable slots are opened on the left and right sides of the cylindrical pin 2, and positioning rods, extrusion rings and springs are arranged in the two movable slots, the spring is arranged on the outer surface of the positioning rod, and the extrusion ring is arranged on the inner end of the outer surface of the positioning rod.

[0015] Preferably, the upper end of the support plate is movably arranged in the storage groove by means of cylindrical pin 2, and the two ends of the cylindrical pin 2 are movably arranged in the guide grooves on the left and right sides of the storage groove, and the lower ends of the two support plates are hinged by cylindrical pin 1 under the hinge groove on the inner side of the pedal.

[0016] Preferably, the cooling mechanism includes a second fixing plate, fixing holes are provided on the upper and lower sides of the outer surface of the second fixing plate, fans are arranged in the two fixing holes, a through hole is provided in the middle of the outer surface of the second fixing plate, a water pipe is arranged in the through hole, one end of the water pipe is sealed, two nozzles are arranged on the outer surface of the sealed end of the water pipe, the end of the water pipe away from the nozzle is arranged in a water tank, and a submersible pump is arranged in the water tank.

[0017] Preferably, the second inner surface of the fixed plate is connected to the side surface of the lifting plate, the water tank is fixed on the inner surface of the lifting plate, and the output end of the submersible pump is connected to an end of the water pipe away from the nozzle.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the present invention provides a large transport vehicle chassis side plate mechanism, which has the following beneficial effects:

[0020] 1. The present invention can adjust the height by lifting the lifting plate up and down, and can drive the lifting plate to lift by the driving mechanism. By lifting and adjusting the lifting plate, the distance between the lifting plate and the ground can be reduced when the transport vehicle is traveling at high speed, thereby reducing wind resistance and reducing fuel consumption when the transport vehicle is traveling at high speed. In addition, by adjusting the lifting plate, the lifting plate is close to the ground, which can prevent pedestrians from being rolled under the bottom of the vehicle on both sides when they hit the two sides of the transport vehicle, thereby improving safety and eliminating potential risks.

[0021] 2. The auxiliary mechanism provided in the present invention can be rotated and unfolded, so that a shorter truck driver can climb onto the truck more conveniently through the auxiliary mechanism when climbing onto the truck to unload goods. The support mechanism provided has a good supporting force for the pedal, which can improve the stability of the driver when stepping on the pedal.

[0022] 3. The cooling mechanism provided in the present invention can cool down the tires in hot summer weather and when the transport vehicle is slowly going downhill, thereby preventing the tire temperature from being too high and causing a tire blowout, and avoiding the danger of the transport vehicle becoming unstable and easily overturning due to a tire blowout. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of a side plate mechanism of a large transport vehicle chassis proposed by the present invention;

[0024] Figure 2 A large transport vehicle chassis side plate mechanism proposed by the present invention Figure 1 Connection diagram of the lifting plate with the driving mechanism, cooling mechanism and auxiliary mechanism;

[0025] Figure 3 A large transport vehicle chassis side plate mechanism proposed by the present invention Figure 2 A partial cross-sectional view of the right side surface;

[0026] Figure 4 A large transport vehicle chassis side plate mechanism proposed by the present invention Figure 2 Left side surface view;

[0027] Figure 5 A large transport vehicle chassis side plate mechanism proposed by the present invention Figure 4 Structural view of the middle drive mechanism;

[0028] Figure 6 A large transport vehicle chassis side plate mechanism proposed by the present invention Figure 4 Sectional connection view of the middle lifting plate, positioning plate and auxiliary mechanism;

[0029] Figure 7 A large transport vehicle chassis side plate mechanism proposed by the present invention Figure 6 Enlarged view at A in the middle;

[0030] Figure 8 A large transport vehicle chassis side plate mechanism proposed by the present invention Figure 4 Auxiliary structure view;

[0031] Fig. 9 A large transport vehicle chassis side plate mechanism proposed by the present invention Figure 8 Structural view of the middle support mechanism;

[0032] Fig.10 A large transport vehicle chassis side plate mechanism proposed by the present invention Figure 4 Structural view of the medium cooling mechanism.

[0033] In the figure: 1. transport vehicle body; 2. lifting plate; 3. positioning plate; 4. driving mechanism; 401. ball screw; 402. fixed plate 1; 403. moving block; 404. connecting rod; 405. stepping motor 1; 5. auxiliary mechanism; 501. stepping on the pedal; 502. rotating rod 1; 503. gear 1; 504. gear 2; 505. rotating rod 2; 506. gear 3; 507. toothed belt; 508. gear 4; 509. stepping motor 2; 510. supporting mechanism; 5101. supporting plate; 5102. cylindrical pin 1; 5103. cylindrical pin 2; 5104. positioning rod; 5105. spring; 5106. extrusion ring; 6. cooling mechanism; 601. fixed plate 2; 602. fan; 603. water pipe; 604. nozzle; 605. water tank; 7. guide groove; 8. positioning groove. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Embodiment 1:

[0036] Reference Figure 1-5 A side plate mechanism for a chassis of a large transport vehicle comprises a transport vehicle body 1, positioning plates 3 are arranged on both sides of the front and rear sides of the lower frame of the right side of the transport vehicle body 1, lifting plates 2 are movably arranged on the outer surfaces of the two positioning plates 3, storage slots are arranged above the outer surfaces of the two lifting plates 2, and auxiliary mechanisms 5 for facilitating climbing the transport vehicle are rotatably arranged in the two storage slots;

[0037] The left and right surfaces of the two lifting plates 2 are both provided with cooling mechanisms 6 for cooling the tires;

[0038] The inner surfaces of the two lifting plates are provided with a driving mechanism 4 for lifting the lifting plate 2 up and down.

[0039] The driving mechanism 4 includes a ball screw 401, and ball nuts are provided on the left and right sides of the outer surface of the ball screw 401, and moving blocks 403 are provided on the outer surfaces of the two ball nuts. The inner ends of the two moving blocks 403 are hinged with connecting rods 404, and the ends of the two connecting rods 404 away from the moving blocks 403 are hinged to the lower part of the inner surface of the lifting plate 2, and a positioning plate 3 is provided at the right end of the ball screw 401 through a bearing, and the positioning plate 3 is connected to the lower part of the frame on the right side of the transport vehicle body 1, and the right end of the ball screw 401 is connected to a stepper motor 405, and the left end of the ball screw 401 is connected to the left side of the lower part of the frame of the transport vehicle body 1 through a bearing, and the outer surface of the output shaft of the stepper motor 405 is provided with a fixed plate 402 through a bearing, and the upper end surface of the fixed plate 402 is fixedly connected to the lower part of the frame of the transport vehicle body 1, and the lifting plate 2 is driven to move up and down by the driving mechanism 4, so that the height of the lifting plate 2 can be adjusted according to needs.

[0040] When the present invention is in use, the stepper motor 405 is powered on, and the output shaft of the stepper motor 405 drives the ball screw 401 to rotate. The rotating ball screw 401 cooperates with the two ball nuts so that the two ball nuts can move on the ball screw 401. Since the thread directions of the two ball nuts are opposite, the two ball nuts move in opposite directions when moving. The two ball nuts drive the two moving blocks 403 to move respectively. When the two moving blocks 403 move outward at both ends of the ball screw 401, the two moving blocks 403 pull the lifting plate 2 upward through the two connecting rods 404. When the two moving blocks 403 move toward the middle of the ball screw 401, the two connecting rods 404 push the lifting plate 2 to move downward, so that the height of the lifting plate 2 can be adjusted according to needs. By adjusting the lifting plate 2 to be close to the ground and reducing the distance between it and the ground, the wind resistance of the transport vehicle can be reduced when it is traveling at high speed, and the fuel consumption of the transport vehicle can be reduced when it is traveling at high speed. In addition, when the transport vehicle is traveling, the lifting plate 2 can prevent pedestrians from being involved in the bottom of the vehicle on both sides of the transport vehicle body 1 and being crushed by the wheels when they hit the two sides of the transport vehicle body 1, thereby improving safety and eliminating potential risks.

[0041] Embodiment 2: Based on embodiment 1, the difference is that;

[0042] Reference Figure 6-9 Rectangular grooves are provided on the left and right sides of the storage grooves on the two lifting plates 2, guide grooves 7 are provided on the left and right surfaces of the two rectangular grooves, and positioning grooves 8 are provided at the lower ends of multiple guide grooves 7. Electromagnets are provided in multiple positioning grooves 8, and the positioning rods 5104 are adsorbed by the electromagnets so that the positioning rods 5104 can be moved into the positioning grooves 8.

[0043] The auxiliary mechanism 5 includes a pedal 501, a rotating rod 505 and a stepper motor 509. A rotating tube is provided at the upper end of the pedal 501, and a rotating rod 1 502 is provided inside the rotating tube. The rotating rod 1 502 and the rotating tube are fixedly connected. A gear 1 503 is provided at the right end of the outer surface of the rotating rod 1 502, a gear 2 504 is provided on the left side of the outer surface of the rotating rod 2 505, and a gear 3 506 is provided on the right side of the outer surface of the rotating rod 2 505. The gear 1 503 is meshed with the gear 2 504. A gear 4 508 is provided on the outer surface of the output shaft of the stepper motor 2 509, and the gear 3 506 is connected to the gear 4 508 through a toothed belt 507. Hinge grooves are provided on the left and right sides of the inner surface of the pedal 501, and support mechanisms 510 are hinged under the two hinge grooves. The pedal 501 allows a shorter transport vehicle driver to climb onto the transport vehicle more conveniently by stepping on the pedal 501 when climbing onto the transport vehicle to unload goods.

[0044] The supporting mechanism 510 includes a supporting plate 5101, a cylindrical pin 1 5102 is arranged in the lower end of the supporting plate 5101, a cylindrical pin 2 5103 is arranged in the upper end of the supporting plate 5101, movable slots are opened on the left and right sides of the cylindrical pin 2 5103, and a positioning rod 5104, an extrusion ring 5106 and a spring 5105 are arranged in the two movable slots. The spring 5105 is arranged on the outer surface of the positioning rod 5104, and the extrusion ring 5106 is arranged on the inner end of the outer surface of the positioning rod 5104. The supporting mechanism 510 has a good supporting force for the pedal 501, which can improve the stability of the pedal 501 when the driver steps on the pedal 501.

[0045] The upper end of the support plate 5101 is movably set in the storage groove through the cylindrical pin 2 5103, and the two ends of the cylindrical pin 2 5103 are movably set in the guide grooves 7 on the left and right sides of the storage groove. The lower ends of the two support plates 5101 are hinged to the bottom of the hinge groove on the inner side of the pedal 501 through the cylindrical pin 1 5102.

[0046] When the transport truck driver needs to climb onto the transport truck to unload the goods, he first lowers the lower end of the lifting plate 2 until it contacts the ground, and then connects the power to the stepper motor 2 509, the output shaft of the stepper motor 2 509 drives the gear 4 508 to rotate, the gear 4 508 drives the toothed belt 507 to run, and then drives the gear 3 506 to rotate, the gear 3 506 drives the rotating rod 2 505 to rotate, and then makes the gear 2 504 rotate synchronously, the gear 2 504 drives the meshing gear 1 503 to rotate, the gear 1 503 drives the rotating rod 1 502 to rotate, and then drives the pedal 501 to rotate outward and unfold, when the pedal 501 rotates outward and unfolds, it pulls one end of the support plate 5101 hinged thereto outward, and the end of the support plate 5101 away from the pedal 501 moves in the guide groove 7, so that the support plate 5101 is away from the pedal 501. One end of the pedal 501 is toward the bottom of the guide groove 7. When the pedal 501 is rotated to the unfolded horizontal state, the positioning rod 5104 on the support plate 5101 and the positioning groove 8 on the lifting plate 2 are at the same horizontal line. The electromagnet is powered on, and the electromagnet is energized to generate magnetic force, which adsorbs the positioning rod 5104 and moves it into the positioning groove 8. The positioning rod 5104 squeezes the spring 5105 through the squeezing ring 5106, and the spring 5105 contracts, so that the positioning rod 5104 moves to the positioning groove 8. The pedal 501 is supported by the support plate 5101. By stepping on the pedal 501, the driver can climb onto the transport vehicle for unloading more conveniently. The support plate 5101 can provide a good supporting force for the pedal 501, which can improve the stability of the pedal 501 when the driver steps on the pedal 501.

[0047] Embodiment 3: Based on embodiment 1, the difference is that;

[0048] Reference Fig.10The cooling mechanism 6 includes a second fixing plate 601, and fixing holes are provided on both upper and lower sides of the outer surface of the second fixing plate 601, and fans 602 are arranged in the two fixing holes. A through hole is provided in the middle of the outer surface of the second fixing plate 601, and a water pipe 603 is arranged in the through hole. One end of the water pipe 603 is sealed, and two nozzles 604 are arranged on the outer surface of the sealed end of the water pipe 603. The end of the water pipe 603 away from the nozzle 604 is arranged in a water tank 605, and a submersible pump is arranged in the water tank 605. The fan 602 blows the sprayed water onto the tire, and the tire can be cooled by the sprayed water and the blown wind.

[0049] The inner surface of the fixed plate 2 601 is connected to the side surface of the lifting plate 2, the water tank 605 is fixed on the inner surface of the lifting plate 2, the output end of the submersible pump is connected to the end of the water pipe 603 away from the nozzle 604, and the water in the water tank 605 is pumped to the nozzle 604 for spraying through the submersible pump.

[0050] When the transport vehicle is driving in the summer and passes downhill, it is necessary to control the downhill speed of the vehicle by stepping on the brakes, and the fan 602 and the hydraulic pump are powered on. The hydraulic pump draws the water in the water tank 605 to the nozzle 604 through the water pipe 603, and the water is sprayed out through the nozzle 604. After the fan 602 is powered on, wind is generated, and the generated wind blows the sprayed water to the tires. The temperature of the tire surface is taken away by the sprayed water and the blown wind, thereby cooling the tires, thereby avoiding the risk of tire blowouts caused by excessively high weather temperatures. Excessive tire temperature can easily lead to tire blowouts, thereby avoiding the risk of the transport vehicle being unstable and easily overturning due to tire blowouts.

[0051] It should be noted that the term "comprises" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article, or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A side plate mechanism for a chassis of a large transport vehicle, comprising a positioning plate (3), wherein the positioning plate (3) is arranged at the front and rear sides below the frame on the right side of a transport vehicle body (1), and is characterized in that: The outer surfaces of the two positioning plates (3) are both movably provided with lifting plates (2), the upper surfaces of the outer sides of the two lifting plates (2) are both provided with storage slots, and the auxiliary mechanisms (5) for facilitating climbing of the transport vehicle are both rotatably provided in the two storage slots; The left and right surfaces of the two lifting plates (2) are both provided with cooling mechanisms (6) for cooling the tires; The inner surfaces of the two lifting plates are both provided with a driving mechanism (4) for lifting the lifting plate (2) up and down; The storage slots on the two lifting plates (2) are provided with rectangular slots on both sides, the left and right surfaces of the two rectangular slots are provided with guide slots (7), the lower ends of the plurality of guide slots (7) are provided with positioning slots (8), and the plurality of positioning slots (8) are provided with electromagnets; The auxiliary mechanism (5) comprises a pedal (501), a second rotating rod (505) and a second stepping motor (509). A rotating tube is arranged at the upper end of the pedal (501), a first rotating rod (502) is arranged inside the rotating tube, the first rotating rod (502) and the rotating tube are fixedly connected, a first gear (503) is arranged at the right end of the outer surface of the first rotating rod (502), a second gear (504) is arranged at the left end of the outer surface of the second rotating rod (505), and the rotating rod (502) is fixedly connected to the rotating tube. A gear three (506) is arranged on the right side of the outer surface of the second rod (505), the gear one (503) is meshedly connected with the gear two (504), a gear four (508) is arranged on the outer surface of the output shaft of the second stepping motor (509), the gear three (506) and the gear four (508) are connected via a toothed belt (507), and hinge grooves are arranged on both sides of the inner surface of the pedal (501), and support mechanisms (510) are hingedly connected below the two hinge grooves; The support mechanism (510) comprises a support plate (5101), a cylindrical pin 1 (5102) is arranged in the lower end of the support plate (5101), a cylindrical pin 2 (5103) is arranged in the upper end of the support plate (5101), movable slots are provided on the left and right sides of the cylindrical pin 2 (5103), and a positioning rod (5104), an extrusion ring (5106) and a spring (5105) are arranged in the two movable slots, the spring (5105) is arranged on the outer surface of the positioning rod (5104), and the extrusion ring (5106) is arranged on the inner end of the outer surface of the positioning rod (5104); The upper end of the support plate (5101) is movably arranged in the storage slot via a second cylindrical pin (5103), and the two ends of the second cylindrical pin (5103) are movably arranged in the guide slots (7) on the left and right sides of the storage slot, and the lower ends of the two support plates (5101) are hinged to the lower part of the hinge slot on the inner side of the pedal (501) via a first cylindrical pin (5102); When the pedal (501) is rotated to an unfolded horizontal state, the positioning rod (5104) on the support plate (5101) and the positioning slot (8) on the lifting plate (2) are on the same horizontal line, the electromagnet is powered on, the electromagnet is energized to generate magnetic force, and the positioning rod (5104) is attracted to move into the positioning slot (8), the positioning rod (5104) squeezes the spring (5105) through the squeezing ring (5106), and the spring (5105) contracts, so that the positioning rod (5104) moves into the positioning slot (8), and the pedal (501) is supported by the support plate (5101).

2. A large transport vehicle chassis side plate mechanism according to claim 1, characterized in that: The driving mechanism (4) comprises a ball screw (401), ball nuts are arranged on both sides of the outer surface of the ball screw (401), moving blocks (403) are arranged on the outer surfaces of the two ball nuts, connecting rods (404) are hinged at the inner ends of the two moving blocks (403), and the ends of the two connecting rods (404) away from the moving blocks (403) are hinged to the lower part of the inner surface of the lifting plate (2), and a positioning plate is arranged at the right end of the ball screw (401) through a bearing. (3), the positioning plate (3) is connected to the lower part of the frame on the right side of the transport vehicle body (1), the right end of the ball screw (401) is connected to a stepper motor 1 (405), the left end of the ball screw (401) is connected to the left side of the lower part of the frame of the transport vehicle body (1) through a bearing, the outer surface of the output shaft of the stepper motor 1 (405) is provided with a fixing plate 1 (402) through a bearing, and the upper end surface of the fixing plate 1 (402) is fixedly connected to the lower part of the frame of the transport vehicle body (1).

3. The large transport vehicle chassis side plate mechanism according to claim 1, characterized in that: The cooling mechanism (6) comprises a second fixing plate (601), the outer surface of the second fixing plate (601) is provided with fixing holes on both upper and lower sides, and fans (602) are arranged in the two fixing holes, and a through hole is arranged in the middle of the outer surface of the second fixing plate (601), and a water pipe (603) is arranged in the through hole, one end of the water pipe (603) is sealed, and two nozzles (604) are arranged on the outer surface of the sealed end of the water pipe (603), and the end of the water pipe (603) away from the nozzle (604) is arranged in a water tank (605), and a submersible pump is arranged in the water tank (605).

4. A large transport vehicle chassis side plate mechanism according to claim 3, characterized in that: The inner surface of the second fixed plate (601) is connected to the side surface of the lifting plate (2), the water tank (605) is fixed to the inner surface of the lifting plate (2), and the output end of the submersible pump is connected to an end of the water pipe (603) away from the nozzle (604).

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