CN114475463A - Steel plate assembly with curved surface shape for protecting automobile chassis and machining method thereof - Google Patents

Abstract

The invention relates to the technical field, in particular to a curved surface-shaped steel plate component for protecting an automobile chassis and a processing method thereof, wherein the steel plate component comprises a protection plate main body, and the protection plate main body comprises a protection baffle plate main body and a reinforcing protection plate; the protective baffle main body comprises a front baffle, a middle baffle and a tail baffle, grooves are formed in two end faces of the middle baffle, a fixture block is arranged on the connecting face of the front baffle and the middle baffle, the fixture block is also arranged on the connecting face of the tail baffle and the middle baffle, a first threaded hole is formed in the lower end face inside the groove, a second threaded hole is formed in the lower end face inside the groove, a third threaded hole is formed in the fixture block, and the first threaded hole, the second threaded hole and the third threaded hole are in through connection through a first threaded rod; the protective baffle main body is provided with a heat dissipation mechanism, and the protective baffle main body is provided with a baffle installation mechanism. The portable automobile protection plate is convenient to carry, and meanwhile, the protection plate main body has an up-and-down fine adjustment effect, so that the tightness of the installation of the protection plate main body and an automobile chassis is further improved.

Description

A steel plate assembly in the shape of a protective curved surface of an automobile chassis and a processing method thereof

technical field

The invention relates to a protective steel plate assembly for an automobile chassis, in particular to a steel plate assembly in the shape of a protective curved surface of an automobile chassis and a processing method thereof, belonging to the technical field of automobile chassis.

Background technique

The car chassis is composed of four parts: the transmission system, the driving system, the steering system and the braking system. The function of the chassis is to support and install the car engine and its various components, form the overall shape of the car, and receive the power of the engine to make the car move. , Keep driving normally. When the car is driving on the road, the chassis of the car is often scratched. Especially when driving on the rural road, the phenomenon of scratching the chassis is more serious. When the road is rough, the raised parts on the road are easy to bump The engine, gearbox, exhaust pipe and other important parts of the damaged car chassis increase the cost of car maintenance. At the same time, when the car is running, the car tires will roll against hard debris such as stones and metals, causing the debris to be ejected at a high speed. The debris ejected at high speed will also cause damage to important parts of the car chassis. Therefore, it is necessary to install protective devices on the car chassis to better protect the car chassis;

The car chassis protective plate is an important protective device installed on the car chassis to protect important components such as the engine and gearbox. At present, the existing car chassis protective plate is large and inconvenient for installation and carrying. At the same time, the protective plate and the car chassis The tightness cannot be adjusted accordingly according to the usage.

Therefore, it is urgent to improve the automobile chassis to solve the above-mentioned problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a steel plate assembly in the shape of a protective curved surface of an automobile chassis and a processing method thereof. The present invention has a higher shock absorption and protection effect, can better protect the automobile chassis, and at the same time, the main body of the protective plate is divided into two parts. The three sections are easy to carry, and at the same time, the main body of the protective plate has the effect of fine adjustment up and down, which further makes the installation of the main body of the protective plate and the chassis of the car more tight.

In order to achieve the above-mentioned purpose, the main technical scheme adopted in the present invention includes:

A steel plate assembly in the shape of a protective curved surface of an automobile chassis, comprising a protective plate main body, the protective plate main body includes a protective baffle main body and a reinforced protective plate, and the reinforced protective plate is arranged on the lower end surface of the protective baffle main body;

The main body of the protective baffle includes a front baffle, a middle baffle and a tail baffle, the two end surfaces of the middle baffle are provided with grooves, and the connecting surface of the front baffle and the middle baffle is provided with a groove. A clamping block, the connecting surface of the tail baffle and the middle baffle is also provided with a clamping block, the clamping block is clamped in the groove, and the height of the groove is greater than the height of the clamping block, The clamping block slides in the groove, the lower end surface inside the groove is provided with a first threaded hole, the lower end surface inside the groove is provided with a second threaded hole, and the first threaded hole penetrates to the On the lower end surface of the middle baffle plate, the clamping block is provided with a third threaded hole, and the first threaded hole, the second threaded hole and the third threaded hole are connected through a first threaded rod;

A heat dissipation mechanism is arranged on the main body of the protective baffle, and a baffle mounting mechanism is also arranged on the main body of the protective baffle.

Preferably, the reinforcing protective plate includes a first protective plate, a second protective plate and a third protective plate, the sizes and shapes of the first protective plate, the second protective plate and the third protective plate are respectively Compatible with the front baffle, the middle baffle and the tail baffle, a replaceable rubber shock pad is attached to the lower end surface of the reinforced protective plate, and the replaceable rubber shock pad is compatible with the Reinforcing fenders are glued connections.

Preferably, the upper end surfaces of the first fender, the second fender and the third fender are horizontally provided with a first sliding block, the front baffle, the middle baffle and the tail The lower end surfaces of the baffles are all provided with first sliding grooves, and the first sliding blocks slide in the first sliding grooves.

Preferably, a compression spring is provided on the upper end surface of the first chute, a partition plate is connected to the lower end surface of the compression spring, and a rubber shock pad is fixed on the lower end surface of the partition plate.

Preferably, the baffle mounting mechanism includes a through slot provided on the front baffle, the middle baffle and the tail baffle, and a sliding block is slidably arranged in the through slot, and the sliding There are mounting holes on the block.

Preferably, both sides of the inner wall of the through groove are provided with second sliding grooves, both sides of the sliding block are provided with second sliding blocks adapted to the second sliding grooves, and the sliding block passes through the The second slider slides on the second chute.

Preferably, the heat dissipation mechanism includes a second through groove provided on the front baffle and a heat dissipation fan disposed in the second through groove, the heat dissipation mechanism is located under the automobile engine, and the heat dissipation fan is connected to the The power supply mechanism inside the car is electrically connected.

Preferably, a plurality of heat dissipation strips are provided on the first protective plate, and the heat dissipation strips are used for further heat dissipation of the heat dissipation fan, and the replaceable rubber shock-absorbing pad under the first protective plate is also provided with There is a heat dissipation groove communicated with the heat dissipation strip.

Preferably, the first sliding block is a T-shaped sliding block, and the first sliding groove is a T-shaped sliding groove matched with the first sliding block.

A method for processing a steel plate assembly in the shape of a protective curved surface of an automobile chassis, comprising the following steps:

S1: combination of the main body of the protective baffle: insert the front baffle into the groove provided on the middle baffle through the blocking block. When the blocking block is inserted into the groove, the The first threaded hole, the second threaded hole and the third threaded hole are in a connected state, and the first threaded rod is used for penetrating connection and fixing, and the tail baffle is also inserted through the clamping block. In the groove provided on the middle baffle, the first threaded hole, the second threaded hole and the third threaded hole are also connected and fixed through the first threaded rod, so as to complete the The combination of the main body of the protective baffle;

S2: Installation of the main body of the protective baffle: After the main body of the protective baffle is assembled, the main body of the protective baffle is moved to the chassis of the vehicle through equipment, and the main body of the protective baffle is lifted up, and the sliding block is placed in the sliding in the through groove, so that the installation hole is adjusted to a suitable installation position, and finally the threaded rod passes through the installation hole, so that the main body of the protective baffle is fixedly installed under the chassis of the vehicle;

S3: Reinforced fender installation: pass the first fender, the second fender and the third fender through the first slider and the front baffle, the middle baffle and the The first chute under the tail baffle is slidably connected, so as to complete the connection between the main body of the protection baffle and the reinforced protection plate.

The present invention at least has the following beneficial effects:

1. The main body of the fender has a higher shock absorption protection effect, which can better protect the chassis of the car. At the same time, the main body of the fender is divided into three sections, which is easy to carry. At the same time, the front baffle and the tail baffle are in the middle section. The baffle has the effect of fine adjustment up and down, which further makes the installation of the main body of the protective plate and the chassis of the car more tightly.

2. The setting of the cooling fan can dissipate the heat in the car engine. The hot air inside the car engine dissipates the heat inside the car engine through the main body of the protective plate through the cooling fan, the cooling groove and the cooling strip, so as to realize the good performance of the main body of the protective plate. cooling effect.

3. The setting of the replaceable rubber shock-absorbing pad can protect the reinforced protective plate, and the reinforced protective plate will not directly contact the ground. At the same time, the replaceable rubber pad is a wear part, which will wear out under long-term use. When a large part is consumed, it is replaced by pasting.

3. When the car is running, when the reinforcing protective plate is in contact with the ground, a force will be generated, which will cause the first slider to float up and down in the first chute, so as to lift up the partition. The baffle has an elastic effect, so that the force can be absorbed so as not to directly damage the main body of the protective baffle.

Description of drawings

The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation of the present application. In the attached image:

1 is a schematic structural diagram of a protective baffle body of the present invention;

FIG. 2 is a schematic three-dimensional structure diagram of a reinforced protective plate of the present invention;

Fig. 3 is the three-dimensional structure schematic diagram of the present invention;

4 is a schematic diagram of a back three-dimensional structure of the present invention;

5 is a schematic exploded view of the main body of the protective baffle of the present invention;

Fig. 6 is the height fine adjustment schematic diagram of the present invention;

7 is a schematic diagram of the three-dimensional structure of the sliding block of the present invention;

8 is a partial cross-sectional view of the middle baffle plate of the present invention;

FIG. 9 is an enlarged view of FIG. 8A of the present invention.

In the figure, 1-protective baffle body, 101-front baffle, 102-middle baffle, 103-tail baffle, 104-protective baffle body, 2-groove, 3-block, 4-first threaded hole , 5-Second threaded hole, 6-Third threaded hole, 7-First threaded rod, 8-Reinforced protective plate, 801-First protective plate, 802-Second protective plate, 803-Third protective plate, 9 - cooling mechanism, 10- baffle mounting mechanism, 11- replaceable rubber shock pad, 12- first slider, 13- cooling strip, 14- first chute, 15- compression spring, 16- partition plate, 17 -Rubber shock pad, 18-through slot, 19-slide block, 20-installation hole, 21-second chute, 22-second slider, 23-second through slot, 24-cooling fan, 25-cooling groove.

Detailed ways

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so as to fully understand and implement the implementation process of how to apply technical means to solve technical problems and achieve technical effects in the present application.

As shown in FIGS. 1-9 , the steel plate assembly in the shape of a protective curved surface of an automobile chassis and a processing method thereof provided in this embodiment include a protective plate main body 104, and the protective plate main body 104 includes a protective baffle body 1 and a reinforcing protective plate 8, The reinforcing protective plate 8 is arranged on the lower end surface of the protective baffle main body 1 , and the reinforcing protective plate 8 includes a first protective plate 801 , a second protective plate 802 and a third protective plate 803 . The first protective plate 801 and the second protective plate 802 And the size and shape of the third protective plate 803 are adapted to the front baffle 101, the middle baffle 102 and the tail baffle 103 respectively. The lower end surface of the reinforced protective plate 8 is attached with a replaceable rubber shock pad 11, and the rubber can be replaced. The shock-absorbing pad 11 and the reinforcing protective plate 8 are bonded and connected. The arrangement of the replaceable rubber shock-absorbing pad 11 can protect the reinforcing protective plate 8, and the reinforcing protective plate 8 will not directly contact the ground, and the rubber can be replaced at the same time. The pad 11 is a wear part, which will wear out under long-term use. When a large part is consumed, it is replaced by pasting;

The upper end surfaces of the first protection plate 801 , the second protection plate 802 and the third protection plate 803 are all provided with the first sliding block 12 horizontally, and the lower end surfaces of the front baffle 101 , the middle baffle 102 and the tail baffle 103 are all provided with The first sliding groove 14, the first sliding block 12 slides in the first sliding groove 14, the upper end surface of the first sliding groove 14 is provided with a compression spring 15, and the lower end surface of the compression spring 15 is connected with a partition plate 16. A rubber shock-absorbing pad 17 is fixed on the lower end surface. The setting of the compression spring 15 makes the partition plate 16 have an elastic effect. When the lower end surface of the plate 16 is in contact with the vehicle, when the reinforcing protective plate 8 does not touch the ground, the upper end surface of the first slider 12 will always be in slight contact with the partition plate 16. When the reinforcing protective plate 8 is in contact with the ground, A force will be generated, which will cause the first slider 12 to float up and down in the first chute 14, so as to push up the partition 16, and the partition 16 has an elastic effect through the setting of the compression spring 15, so as to absorb the force. , so as not to directly damage the main body of the protective baffle 1, the rubber shock pad 17 further improves the effect of the absorption force of the baffle 16, the first slider 12 is a T-shaped slider, and the first chute 14 is connected to the first slider. 12. The T-shaped chute is suitable for the sliding cooperation between the T-shaped chute and the T-shaped slider, which has higher clamping stability and effectively prevents the slider and the chute from falling off;

The main body 1 of the protective baffle includes a front baffle 101, a middle baffle 102 and a tail baffle 103. Both ends of the middle baffle 102 are provided with grooves 2, and the connection surface between the front baffle 101 and the middle baffle 102 is provided with Block 3, the connecting surface of the tail baffle 103 and the middle baffle 102 is also provided with a block 3, the block 3 is clamped in the groove 2, the height of the groove 2 is greater than the height of the block 3, and the block 3 is located in the groove 2. The groove 2 slides, the lower end surface of the groove 2 is provided with a first threaded hole 4, the lower end surface of the groove 2 is provided with a second threaded hole 5, and the first threaded hole 4 penetrates to the lower end surface of the middle baffle 102, The clamping block 3 is provided with a third threaded hole 6 , the first threaded hole 4 , the second threaded hole 5 and the third threaded hole 6 are connected through the first threaded rod 7 , and the front baffle 101 is inserted into the middle section through the clamping block 3 In the groove 2 provided on the baffle 102, when the clamping block 3 is stuck in the groove 2, the first threaded hole 4, the second threaded hole 5 and the third threaded hole 6 are in the same state, and the first threaded hole 4, the second threaded hole 5 and the third threaded hole 6 7. Through connection and fixing, the tail baffle 102 is also inserted into the groove 2 provided on the middle baffle 102 through the clamping block 3, and the first threaded hole 4, the second threaded hole 5 and the first threaded hole 4, the second threaded hole 5 and the The third threaded hole 6 is connected and fixed through, so as to complete the combination of the protective baffle body 1. The height of the groove 2 is greater than the height of the clamping block 3 so that the clamping block 3 has a sliding effect in the groove 2. The current baffle 101 When the height of the tail baffle 103 needs to be fine-tuned, by turning the first threaded rod 7 again, the first threaded rod 7 drives the block 3 to slide in the groove 2, thereby driving the front baffle 101 and the tail baffle 103. The heights of the two sides of the middle baffle 102 are fine-tuned, so that the main body 1 of the protective baffle is closely attached to the chassis of the vehicle;

The main body 1 of the protective baffle is provided with a heat dissipation mechanism 9. The heat dissipation mechanism 9 includes a second through groove 23 disposed on the front baffle 101 and a heat dissipation fan 24 disposed in the second through groove 23. The heat dissipation mechanism 9 is located in the vehicle engine. Below, the cooling fan 24 is electrically connected to the power supply mechanism inside the car. The cooling fan 24 is used for heat dissipation of the car engine. The cooling fan 24 is electrically connected to the power supply mechanism inside the car. Then, the engine is turned on to dissipate heat from the engine. The first protective plate 801 is provided with a number of heat dissipation strips 13. The heat dissipation strips 13 are used for further heat dissipation by the heat dissipation fan 24. The rubber shock-absorbing pad 11 under the first protective plate 801 can be replaced. There is also a heat dissipation groove 25 communicated with the heat dissipation strip 13, and the heat dissipation groove 25 is communicated with the heat dissipation strip 13. When the heat dissipation fan 24 is turned on, the heat in the automobile engine can be dissipated, and the hot air passes through the heat dissipation fan 24 and the heat dissipation groove 25. And the heat dissipation strip 13 dissipates the heat inside the automobile engine through the fender body 1, so as to achieve a good heat dissipation effect of the fender main body 1;

The protective baffle body 1 is also provided with a baffle installation mechanism 10 , and the baffle installation mechanism 10 includes a through groove 18 arranged on the front baffle 101 , the middle baffle 102 and the tail baffle 103 and slides in the through groove 18 . A sliding block 19 is provided, the sliding block 19 is provided with a mounting hole 20, both sides of the inner wall of the through groove 18 are provided with second sliding grooves 21, and both sides of the sliding block 19 are provided with a matching second sliding groove 21. The second sliding block 22 and the sliding block 19 slide on the second sliding groove 21 through the second sliding block 22 . The setting of the second sliding groove 21 and the second sliding block 22 enables the sliding block 19 to have a sliding adjustment effect in the through groove 18 , so that the corresponding position of the mounting hole 20 can be adjusted according to the required position.

A method for processing a steel plate assembly in the shape of a protective curved surface of an automobile chassis, comprising the following steps:

S1: combination of the main body of the protective baffle: insert the front baffle 101 into the groove 2 provided on the middle baffle 102 through the clamping block 3. When the clamping block 3 is inserted into the groove 2, the first threaded hole 4, the second The second threaded hole 5 and the third threaded hole 6 are in the same state, and the first threaded rod 7 is used for penetrating connection and fixing, and the tail baffle 102 is also inserted into the groove 2 provided on the middle baffle 102 through the clamping block 3, The first threaded hole 4, the second threaded hole 5 and the third threaded hole 6 are also connected and fixed through the first threaded rod 7, thereby completing the combination of the protective baffle body 1;

S2: Installation of the main body of the protective baffle: After the main body of the protective baffle 1 is assembled, the main body of the protective baffle 1 is moved to the chassis of the vehicle through the equipment, and the main body of the protective baffle 1 is lifted up, and the sliding block 19 is inserted into the through groove 18. Sliding, so that the installation hole 20 is adjusted to a suitable installation position, and finally the threaded rod passes through the installation hole 21, so that the protective baffle body 1 is fixedly installed under the chassis of the vehicle;

S3: Reinforced fender installation: Pass the first fender 801 , the second fender 802 and the third fender 803 through the first slider 12 and the first fender 101 below the front fender 101 , the middle fender 102 and the tail fender 103 . The sliding groove 14 is slidably connected, so as to complete the connection between the protective baffle main body 1 and the reinforcing protective plate 8 .

As used in the specification and claims, certain terms are used to refer to particular components. It should be understood by those skilled in the art that hardware manufacturers may refer to the same component by different nouns. The description and claims do not use the difference in name as a way to distinguish components, but use the difference in function of the components as a criterion for distinguishing. As mentioned in the entire specification and claims, "comprising" is an open-ended term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range, and basically achieve technical effects.

It should be noted that the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a commodity or system comprising a list of elements includes not only those elements, but also those not explicitly listed Other elements, or also include elements inherent to the commodity or system. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the commodity or system that includes the element.

The foregoing description shows and describes several preferred embodiments of the present invention, but as previously mentioned, it should be understood that the present invention is not limited to the form disclosed herein, and should not be construed as an exclusion of other embodiments, but may be used in various and other combinations, modifications and environments, and can be modified within the scope of the inventive concepts described herein, from the above teachings or from skill or knowledge in the relevant art. However, modifications and changes made by those skilled in the art do not depart from the spirit and scope of the present invention, and should all fall within the protection scope of the appended claims of the present invention.

Claims (10)

1. A steel plate assembly in the shape of a protective curved surface of an automobile chassis, comprising a protective plate main body (104), wherein the protective plate main body (104) comprises a protective baffle main body (1) and a reinforced protective plate (8), The reinforced protective plate (8) is arranged on the lower end surface of the protective baffle main body (1); The protective baffle body (1) includes a front baffle (101), a middle baffle (102) and a tail baffle (103), and grooves (2) are formed on both end surfaces of the middle baffle (102). ), the connecting surface of the front baffle (101) and the middle baffle (102) is provided with a clamping block (3), and the connecting surface of the tail baffle (103) and the middle baffle (102) A block (3) is also provided, the block (3) is clamped in the groove (2), the height of the groove (2) is greater than the height of the block (3), the The clamping block (3) slides in the groove (2), the lower end surface inside the groove (2) is provided with a first threaded hole (4), and the lower end surface inside the groove (2) is provided with a first threaded hole (4) The second threaded hole (5), the first threaded hole (4) penetrates to the lower end surface of the middle baffle plate (102), the clamping block (3) is provided with a third threaded hole (6), the The first threaded hole (4), the second threaded hole (5) and the third threaded hole (6) are connected through a first threaded rod (7); The protective baffle main body (1) is provided with a heat dissipation mechanism (9), and the protective baffle main body (1) is further provided with a baffle installation mechanism (10). 2 . The steel plate assembly with a protective curved surface shape for an automobile chassis according to claim 1 , wherein the reinforced protective plate ( 8 ) comprises a first protective plate ( 801 ), a second protective plate ( 802 ) and The size and shape of the third protective plate (803), the first protective plate (801), the second protective plate (802) and the third protective plate (803) are respectively the same as those of the front baffle (101). ), the middle baffle (102) and the tail baffle (103) are adapted, and a replaceable rubber shock pad (11) is attached to the lower end surface of the reinforced protective plate (8). The rubber shock-absorbing pad (11) is bonded to the reinforced protective plate (8). 3. A steel plate assembly with a curved surface shape for protecting an automobile chassis according to claim 2, characterized in that: the first protective plate (801), the second protective plate (802) and the third protective plate The upper end surface of (803) is provided with a first slider (12) horizontally, and the lower end surfaces of the front baffle (101), the middle baffle (102) and the tail baffle (103) are all provided with A first chute (14), the first sliding block (12) slides in the first chute (14). 4 . The steel plate assembly with a curved surface shape for the protection of an automobile chassis according to claim 3 , wherein a compression spring ( 15 ) is provided on the upper end surface of the first chute ( 14 ), and the compression spring ( 15 ). 5 . ) is connected with a partition plate (16), and a rubber shock-absorbing pad (17) is fixedly arranged on the lower end surface of the partition plate (16). 5. A steel plate assembly with a protective curved surface shape for an automobile chassis according to claim 1, characterized in that: the baffle mounting mechanism (10) comprises a The plate (102) and the through groove (18) on the tail baffle (103) and a sliding block (19) is slidably arranged in the through groove (18), and a mounting block (19) is provided on the sliding block (19). hole (20). 6. A steel plate assembly with a curved surface shape for the protection of an automobile chassis according to claim 5, characterized in that: both sides of the inner wall of the through groove (18) are provided with second chute (21), and the sliding block Both sides of (19) are provided with second sliding blocks (22) adapted to the second sliding grooves (21), and the sliding blocks (19) pass through the second sliding blocks (22). Slide on the second chute (21). 7 . The steel plate assembly with a curved surface shape for protecting an automobile chassis according to claim 1 , wherein the heat dissipation mechanism ( 9 ) comprises a second through groove ( 23) and a cooling fan (24) disposed in the second through groove (23), the cooling mechanism (9) is located below the engine of the vehicle, and the cooling fan (24) is electrically connected to the power supply mechanism inside the vehicle . 8 . The steel plate assembly with a protective curved surface shape for an automobile chassis according to claim 2 , wherein: the first protective plate ( 801 ) is provided with a plurality of heat dissipation strips ( 13 ), and the heat dissipation strips ( 13 ). ) is used to further dissipate heat by the cooling fan (24), and the replaceable rubber shock pad (11) under the first protective plate (801) is also provided with a connection with the cooling strip (13) heat sink (25). 9 . The steel plate assembly with a protective curved surface shape for an automobile chassis according to claim 1 , wherein the first slider ( 12 ) is a T-shaped slider, and the first chute ( 14 ) is connected to the The first sliding block (12) is adapted to the T-shaped chute. 10. A method for processing a steel plate assembly in the shape of a protective curved surface of an automobile chassis, characterized in that it comprises the following steps: S1: combination of the main body of the protective baffle: insert the front baffle (101) into the groove (2) provided on the middle baffle (102) through the clamping block (3), when the When the clamping block (3) is clamped into the groove (2), the first threaded hole (4), the second threaded hole (5) and the third threaded hole (6) are in a communicating state, After connecting and fixing through the first threaded rod (7), the tail baffle (102) is also inserted into the recess provided on the middle baffle (102) through the clamping block (3). In the groove (2), the first threaded hole (4), the second threaded hole (5) and the third threaded hole (6) are also connected and fixed through the first threaded rod (7), Thus, the combination of the protective baffle body (1) is completed; S2: Installation of the main body of the protective baffle: After the main body of the protective baffle (1) is assembled, the main body of the protective baffle (1) is moved to the chassis of the vehicle through equipment, and the main body of the protective baffle (1) is jacked up , by sliding the sliding block (19) in the through groove (18), so that the mounting hole (20) is adjusted to a proper mounting position, and finally the threaded rod passes through the mounting hole (21) , so that the protective baffle body (1) is fixedly installed under the chassis of the vehicle; S3: Reinforced fender installation: connect the first fender (801), the second fender (802) and the third fender (803) through the first slider (12) to the The front baffle (101), the middle baffle (102) and the first chute (14) below the tail baffle (103) are slidably connected, so as to complete the protective baffle body (1) and the Describe the connection of the strengthening protection plate (8).

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