Double-row seat fire truck compartment body based on dongfeng off-road chassis

Abstract

The application discloses a double-row seat fire truck compartment body based on a Dongfeng Mengshi cross-country chassis, wherein a first flat plate and a second flat plate are horizontally arranged in the compartment body, the left side surface of the first flat plate and the left side surface of the second flat plate are fixedly connected with the left side wall of the compartment body, the right side surface of the first flat plate and the right side surface of the second flat plate are fixedly connected with the right side wall of the compartment body, the first flat plate and the second flat plate are fixed on the framework at the bottom of the compartment body, the ratio of the size of the first flat plate in the front-rear direction of the fire truck to the size of the second flat plate in the front-rear direction of the fire truck is 1.7-2.3, and a third flat plate is further arranged in the compartment body, the third flat plate is located between the first flat plate and the second flat plate, and is used for connecting the first flat plate and the second flat plate. The application provides a double-row seat fire truck compartment body based on a Dongfeng Mengshi cross-country chassis, which can improve the space utilization rate while ensuring the driving stability of the fire truck.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of Dongfeng Mengshi off-road chassis based fire fighting vehicles, and particularly relates to a double-row seat fire fighting vehicle compartment based on a Dongfeng Mengshi off-road chassis. BACKGROUND

[0002] For mountain forest fire extinguishing, it is very important to transport equipment to the mountain, so the off-road chassis with good climbing performance is often used as the chassis of the fire fighting vehicle, such as the Dongfeng Mengshi off-road chassis. Figure 1 For the single-row seat cab version Dongfeng Mengshi off-road chassis, Figure 1 The structure marked as 4 in the figure is the fixing seat. The Dongfeng Mengshi off-road chassis has a water wading depth of 1.2 meters. For this reason, the highest point of the exhaust pipe needs to be more than 1.2 meters from the ground to prevent the engine from stalling. It is also for this reason that the compartment needs to be relatively high. The highest point of the compartment is also affected by the height of the cab. If it exceeds the cab too much, it is easy to move the center of gravity backward, which will cause the vehicle to be unstable when climbing. Therefore, the space available for the compartment based on the Dongfeng Mengshi off-road chassis is small, and it is also necessary to consider the proper center of gravity of the compartment to avoid instability of the fire fighting vehicle during driving.

[0003] Patent CN217091859U describes a forest fire fighting off-road vehicle. However, the fire fighting off-road vehicle of this patent has only one row of seats, which limits the number of fire fighting personnel in a single vehicle to less than 3. If it is designed as a two-row seat, an extended cab can be arranged next to the original cab, and a second row of seats can be arranged in the extended cab. However, the extended cab will occupy the area on the front side of the chassis where the compartment should be installed, which will reduce the size of the compartment that can be installed on the chassis, and reduce the transportation capacity of the fire fighting vehicle.

[0004] Therefore, for a double-row seat fire fighting vehicle based on the Dongfeng Mengshi off-road chassis, it is very important to improve the space utilization rate while ensuring the driving stability of the fire fighting vehicle. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a double-row seat fire fighting vehicle compartment based on the Dongfeng Mengshi off-road chassis, which improves the space utilization rate while ensuring the driving stability of the fire fighting vehicle.

[0006] To address the aforementioned technical problems, this invention discloses a double-row fire truck body based on the Dongfeng Mengshi off-road chassis. The fire truck includes a driver's cab, an extended driver's cab, the body, and the Dongfeng Mengshi off-road chassis. The driver's cab is fixed to the front of the Dongfeng Mengshi off-road chassis. An extended driver's cab is located adjacent to the rear of the driver's cab and is fixed to the Dongfeng Mengshi off-road chassis. Four fixed seats are located at the rear of the Dongfeng Mengshi off-road chassis. The body is provided with a frame for forming the body and a skeleton for supporting the body. The invention is characterized by...

[0007] The lower side of the bottom frame of the body is provided with four fixing plates, which are used to fix and connect with the four fixing seats of the Dongfeng Mengshi off-road chassis.

[0008] The interior of the compartment is provided with a first flat plate and a second flat plate placed horizontally. The left side of the first flat plate and the left side of the second flat plate are respectively fixedly connected to the left side wall of the compartment, and the right side of the first flat plate and the right side of the second flat plate are respectively fixedly connected to the right side wall of the compartment. The first flat plate and the second flat plate are both fixed to the frame at the bottom of the compartment.

[0009] The ratio of the dimension of the first flatbed in the longitudinal direction of the fire truck to the dimension of the second flatbed in the longitudinal direction of the fire truck is 1.7-2.3;

[0010] The interior of the compartment is also provided with a third flat plate, which is located between the first flat plate and the second flat plate and is used to connect the first flat plate and the second flat plate.

[0011] As an optional implementation, the third plate consists of two unconnected plates; in the left-right direction of the fire truck, the left side of the left third plate is fixedly connected to the left side wall of the compartment, and the right side of the right third plate is fixedly connected to the right side wall of the compartment.

[0012] Based on the left-right direction of the fire truck, a fourth plate is also provided in the interior of the compartment between the two third plates; the fourth plate is at the same height as the second plate, and the fourth plate is connected to the middle of the second plate in the front-rear direction of the fire truck.

[0013] The front side of the fourth plate is fixedly connected to the front side wall of the compartment; a sealing plate is provided at the left and right edges of the fourth plate, the upper side of each sealing plate is fixedly connected to the lower side of the first plate, and the left sealing plate is connected to the right edge of the left third plate, and the right sealing plate is connected to the left edge of the right third plate.

[0014] The fourth flat plate has a dimension of 850-950mm in the left-right direction of the fire truck.

[0015] As another alternative implementation, both of the third plates are fixedly connected to the upper surface of the second plate based on a preset tilt angle.

[0016] As another optional implementation, a rear door frame is provided on the rear side of the frame;

[0017] The rear side of the compartment is provided with double doors. The left side of the left door of the double doors is hinged to the left side frame post of the rear door frame, and the right side of the right door of the double doors is hinged to the right side frame post of the rear door frame.

[0018] As another optional implementation, a left door frame is provided on the left side of the frame, and a right door frame is provided on the right side of the frame;

[0019] A single door is provided on the left side of the compartment, and the upper side of the single door is hinged to the upper crossbeam of the left door frame; a single door is provided on the right side of the compartment, and the upper side of the single door is hinged to the upper crossbeam of the right door frame.

[0020] As another optional implementation, the frame is made of 6063-T5 aluminum profile.

[0021] As another optional implementation, a tire fixing device is provided on the outward side of either of the double doors, the tire fixing device being used to place and fix the spare tire of the fire truck.

[0022] As another optional implementation, the rear bottom of the left side wall and the rear bottom of the right side wall of the compartment are both provided with chamfers.

[0023] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0024] This invention divides the interior of the truck body into two placement areas based on two flat plates. By determining the ratio of the width of the first flat plate to the width of the second flat plate, the contradiction between space utilization and driving stability is adjusted: when the ratio of the width of the first flat plate to the width of the second flat plate is between 1.7 and 2.3, the driving stability of the fire truck can be guaranteed; when the ratio is at its minimum value, the fire truck can achieve the maximum space utilization while maintaining driving stability. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a structural diagram of a single-row cab version of the Dongfeng Mengshi off-road chassis.

[0027] Figure 2 This is a structural schematic diagram of a double-row fire truck based on the Dongfeng Mengshi off-road chassis disclosed in an embodiment of the present invention;

[0028] Figure 3 This is a structural schematic diagram of a double-row fire truck body based on the Dongfeng Mengshi off-road chassis disclosed in an embodiment of the present invention;

[0029] Figure 4 This is another structural schematic diagram of a double-row fire truck body based on the Dongfeng Mengshi off-road chassis disclosed in an embodiment of the present invention;

[0030] Figure 5 This is another structural schematic diagram of a double-row fire truck body based on the Dongfeng Mengshi off-road chassis disclosed in an embodiment of the present invention. Detailed Implementation

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] See Figures 1-5 This invention discloses a double-row fire truck body based on a Dongfeng Mengshi off-road chassis. The fire truck includes a driver's cab 1a, an extended driver's cab 1b, the body 2, and the Dongfeng Mengshi off-road chassis 3. The driver's cab 1a is fixed to the front of the Dongfeng Mengshi off-road chassis 3. The extended driver's cab 1b is arranged adjacent to the rear of the driver's cab 1a and is fixed to the Dongfeng Mengshi off-road chassis 3. Four fixed seats 4 are arranged on the rear of the Dongfeng Mengshi off-road chassis 3. The body 2 is provided with a frame for forming the body 2 and a skeleton for supporting the body 2.

[0033] The lower side of the bottom frame of the body 2 is provided with four fixing plates 5, which are used to fix and connect with the four fixing seats 4 of the Dongfeng Mengshi off-road chassis 3.

[0034] The interior of the compartment 2 is provided with a first flat plate 6 and a second flat plate 7 placed horizontally. The left side of the first flat plate 6 and the left side of the second flat plate 7 are respectively fixedly connected to the left side wall of the compartment 2, and the right side of the first flat plate 6 and the right side of the second flat plate 7 are respectively fixedly connected to the right side wall of the compartment 2. The first flat plate 6 and the second flat plate 7 are both fixed to the frame at the bottom of the compartment 2.

[0035] The ratio of the dimension of the first flat plate 6 in the longitudinal direction of the fire truck to the dimension of the second flat plate 7 in the longitudinal direction of the fire truck is 1.7-2.3;

[0036] The compartment 2 is also provided with a third flat plate 8, which is located between the first flat plate 6 and the second flat plate 7, and is used to connect the first flat plate 6 and the second flat plate 7.

[0037] In this embodiment, the interior of the compartment 2 is divided into two placement areas based on two flat plates. The first flat plate 6 is located on the tires of the fire truck to utilize the space of the compartment 2 above the tires; the second flat plate 7 is located behind the tires of the fire truck to utilize the space of the compartment 2 above the rear side of the tires.

[0038] In this embodiment, the top height of the compartment 2 is fixed, and the second flatbed 7 is lower than the first flatbed 6. Therefore, when the widths of the two flatbeds (i.e., the dimensions in the longitudinal direction of the fire truck) are equal, the space between the second flatbed 7 and the top is greater than the space between the first flatbed 6 and the top. Thus, when the width of the first flatbed 6 is fixed, increasing the width of the second flatbed 7 can expand the carrying capacity and improve space utilization. However, the width of the compartment 2 increases with the increase in the width of the second flatbed 7, causing the fire truck's center of gravity to gradually shift rearward. When the center of gravity shifts excessively rearward, it can lead to instability and even overturning (in off-road scenarios where climbing is common, a rearward shift of the center of gravity easily causes overturning). To address this, this application adjusts the conflict between space utilization and driving stability by determining the ratio of the widths of the first flatbed 6 to the second flatbed 7. This application determined through multiple simulations and physical experiments that the width ratio of the first plate 6 to the second plate 7 is 1.7-2.3. When the width ratio of the first plate 6 to the second plate 7 is within the range of 1.7-2.3, the driving stability of the fire truck can be guaranteed; when the ratio is at its minimum, the fire truck can achieve the maximum space utilization while maintaining driving stability.

[0039] In an optional embodiment, the third plate 8 consists of two unconnected plates; in the left-right direction of the fire truck, the left side of the left third plate 8 is fixedly connected to the left side wall of the compartment 2, and the right side of the right third plate 8 is fixedly connected to the right side wall of the compartment 2.

[0040] Based on the left-right direction of the fire truck, a fourth plate 9 is also provided in the interior of the compartment 2 between the two third plate 8s, which is placed horizontally; the fourth plate 9 is at the same height as the second plate 7, and the fourth plate 9 is connected to the middle of the second plate 7 in the front-rear direction of the fire truck.

[0041] The front side of the fourth plate 9 is fixedly connected to the front side wall of the compartment 2; a sealing plate 10 is provided at the left and right edges of the fourth plate 9, and the upper side of each sealing plate 10 is fixedly connected to the lower side of the first plate 6, and the left sealing plate 10 is connected to the right edge of the left third plate 8, and the right sealing plate 10 is connected to the left edge of the right third plate 8.

[0042] The fourth flat plate 9 has a dimension of 850-950mm in the left-right direction of the fire truck.

[0043] In this embodiment, the fourth flat plate 9 is located on the Dongfeng Mengshi off-road chassis 3 in the area above the chassis between the rear tires, and the fourth flat plate 9 is located directly below the first flat plate 6. This allows for full utilization of the space between the rear tires and the first flat plate 6, further increasing the carrying capacity of the fire truck body 2. Simultaneously, the box with side openings formed by the fourth flat plate 9, the sealing plate, and the first flat plate 6 facilitates the placement of long, narrow fire-fighting equipment, such as shovels and crowbars. The side openings of this box face the rear door, making it convenient to place or retrieve equipment after opening the rear door. Furthermore, if the fire truck experiences bumps during travel, the sealing plates on both sides of the box can limit the swaying of long, narrow fire-fighting equipment, reducing the movement of items and thus improving the efficiency of firefighters in retrieving items.

[0044] In another alternative embodiment, both of the third plates 8 are fixedly connected to the upper surface of the second plate 7 based on a preset tilt angle.

[0045] In this embodiment, the preset tilt angle is less than 90 degrees, that is, the angle between the upper surfaces of the third plate 8 and the second plate 7 is less than 90 degrees.

[0046] The first platen 6 is located at a high position, making it difficult to move items directly from it to the ground. This embodiment, by setting the tilt angle of the third platen 8, allows items, such as heavy objects, from the first platen 6 to be smoothly transferred via the third platen 8 to the second platen 7, which is closer to the ground. Firefighters can then transfer the items from the second platen 7 to the ground, enabling a smooth transfer and saving firefighters' effort.

[0047] In another optional embodiment, a rear door frame 11 is provided on the rear side of the frame; a double door 12 is provided on the rear side of the compartment 2, the left side of the left door of the double door 12 is hinged to the left side frame post of the rear door frame, and the right side of the right door of the double door 12 is hinged to the right side frame post of the rear door frame; this allows firefighters to easily retrieve items from the compartment 2.

[0048] In another optional embodiment, a tire fixing device 13 is provided on the outward side of either of the double doors, the tire fixing device 13 being used to place and fix the spare tire of the fire truck.

[0049] Since the side door where the tire is placed usually increases the weight when opening and closing the side door, this embodiment improves the efficiency of retrieving items when the tire is placed at the rear of the fire truck by fixing the tire to one of the side doors of the double door, so that the items can be retrieved by only opening the side door where the tire is not placed.

[0050] In another optional embodiment, a left door frame is provided on the left side of the frame, and a right door frame is provided on the right side of the frame; a single door is provided on the left side of the compartment 2, the upper side of which is hinged to the upper crossbeam of the left door frame; a single door is provided on the right side of the compartment 2, the upper side of which is hinged to the upper crossbeam of the right door frame; this further facilitates firefighters in retrieving items from the compartment 2.

[0051] In another optional embodiment, the frame is made of 6063-T5 aluminum profile, which is lightweight and strong, protecting the fire-fighting equipment placed inside the fire truck body 2 while adding only a small burden to the fire truck, thereby saving fuel.

[0052] In another optional embodiment, the rear bottom of the left side wall and the rear bottom of the right side wall of the compartment 2 are both provided with chamfers 14 to improve the departure angle of the fire truck in this embodiment.

[0053] The content disclosed in the embodiments of this invention is only a preferred embodiment of the invention and is used only to illustrate the technical solutions of the invention, not to limit it. Although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this invention.

Claims

1. A double-row fire truck body based on a Dongfeng Mengshi off-road chassis, the fire truck comprising a driver's cab, an extended driver's cab, the body, and the Dongfeng Mengshi off-road chassis, wherein the driver's cab is fixed to the front side of the Dongfeng Mengshi off-road chassis, an extended driver's cab is arranged adjacent to the rear side of the driver's cab, the extended driver's cab is fixed to the Dongfeng Mengshi off-road chassis, four fixed seats are arranged on the rear side of the Dongfeng Mengshi off-road chassis, and the body is provided with a frame for forming the body and a skeleton for supporting the body, characterized in that... The lower side of the bottom frame of the body is provided with four fixing plates, which are used to fix and connect with the four fixing seats of the Dongfeng Mengshi off-road chassis. The interior of the compartment is provided with a first flat plate and a second flat plate placed horizontally. The first flat plate is located on the tires of the fire truck, and the second flat plate is located above and behind the tires of the fire truck. The left side of the first flat plate and the left side of the second flat plate are respectively fixedly connected to the left side wall of the compartment, and the right side of the first flat plate and the right side of the second flat plate are respectively fixedly connected to the right side wall of the compartment. Both the first flat plate and the second flat plate are fixed to the frame at the bottom of the compartment. The ratio of the dimension of the first flatbed in the longitudinal direction of the fire truck to the dimension of the second flatbed in the longitudinal direction of the fire truck is 1.7-2.3; The interior of the compartment is also provided with a third flat plate, which is located between the first flat plate and the second flat plate and is used to connect the first flat plate and the second flat plate. The third plate consists of two unconnected plates; in the left-right direction of the fire truck, the left side of the left third plate is fixedly connected to the left side wall of the compartment, and the right side of the right third plate is fixedly connected to the right side wall of the compartment; both third plates are fixedly connected to the upper surface of the second plate based on a preset tilt angle, the preset tilt angle being less than 90 degrees. Based on the left-right direction of the fire truck, a fourth plate is also provided horizontally between the two third plates inside the compartment. The fourth plate is at the same height as the second plate, and the fourth plate is connected to the middle of the second plate in the front-rear direction of the fire truck. The front side of the fourth plate is fixedly connected to the front side wall of the compartment. A sealing plate is provided at the left and right edges of the fourth plate. The upper side of each sealing plate is fixedly connected to the lower side of the first plate. The left sealing plate is connected to the right edge of the left third plate, and the right sealing plate is connected to the left edge of the right third plate. The rear bottom of the left side wall and the rear bottom of the right side wall of the compartment are both chamfered.

2. The double-row fire truck body based on the Dongfeng Mengshi off-road chassis according to claim 1, characterized in that, The fourth flat plate has a dimension of 850-950mm in the left-right direction of the fire truck.

3. The double-row fire truck body based on the Dongfeng Mengshi off-road chassis according to claim 1, characterized in that, A rear door frame is provided on the rear side of the frame; The rear side of the compartment is provided with double doors. The left side of the left door of the double doors is hinged to the left side frame post of the rear door frame, and the right side of the right door of the double doors is hinged to the right side frame post of the rear door frame.

4. The double-row fire truck body based on the Dongfeng Mengshi off-road chassis according to claim 1, characterized in that, A left door frame is provided on the left side of the frame, and a right door frame is provided on the right side of the frame. A single door is provided on the left side of the compartment, and the upper side of the single door is hinged to the upper crossbeam of the left door frame; a single door is provided on the right side of the compartment, and the upper side of the single door is hinged to the upper crossbeam of the right door frame.

5. The double-row fire truck body based on the Dongfeng Mengshi off-road chassis according to claim 1, characterized in that, The frame is made of 6063-T5 aluminum profile.

6. The double-row fire truck body based on the Dongfeng Mengshi off-road chassis according to claim 3, characterized in that, One of the double doors is equipped with a tire fixing device facing outwards, which is used to place and secure the fire truck's spare tire.

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