Vehicle body structure and vehicle

Abstract

Embodiments of the present application provide a vehicle body structure and a vehicle, and relate to the field of vehicles. The vehicle body structure comprises a chassis, a water tank and a water pump unit. The water tank is arranged flat on the chassis from the front side to the rear side of the chassis. The water pump unit is arranged on the chassis below the water tank and communicates with the water tank. The vehicle body structure of the embodiments first arranges the water tank flat on the chassis, so that the height of the water tank is lowered and the center of gravity of the water tank is lowered, which is beneficial to complex working conditions such as braking and turning of the vehicle. Secondly, the water pump unit is arranged on the chassis below the water tank, so that the water pump unit does not occupy the upper space of the chassis, and the power compartment is saved, so that more space is arranged for the water tank, which is beneficial to improve the capacity of the water tank. Moreover, the water pump unit is arranged below the water tank, so that the water pump unit can work normally even if the water level of the water tank is low. The vehicle comprises the above vehicle body structure.

Description

Technical Field

[0001] This invention relates to the field of vehicles, and more specifically, to a vehicle body structure and a vehicle. Background Technology

[0002] A road washing truck is a common sanitation vehicle. It is usually equipped with a water tank and a power compartment. The water tank is used to store water, and the power compartment houses a water pump unit that can pump water from the water tank for road washing.

[0003] Currently, most road washing trucks are designed with the water tank and power compartment arranged longitudinally side by side on the chassis. The arrangement of the power compartment occupies the limited space of the chassis, which not only reduces the space for the water tank and decreases its capacity, but also causes the water tank to extend along the height, raising its center of gravity and making it unfavorable for vehicle turning, braking and other operating conditions. Summary of the Invention

[0004] This invention provides a vehicle body structure and a vehicle that can solve the above-mentioned problems.

[0005] The embodiments of the present invention can be implemented as follows: An embodiment of the present invention provides a vehicle body structure, comprising: Chassis; A water tank is laid flat on the chassis, from the front side to the rear side. A water pump unit is installed on the chassis and located below the water tank, and the water pump unit is connected to the water tank.

[0006] Optionally, the water tank includes a connecting plate, a bottom plate, a left side plate, a right side plate, an end plate, and a rear side plate. The periphery of the connecting plate is connected to the end plate, the rear side plate, the left side plate, and the right side plate. The portion of the connecting plate and the end plate forms a top plate. The periphery of the bottom plate is connected to the end plate, the rear side plate, the left side plate, and the right side plate. The bottom plate is provided with a water outlet, the top plate is provided with a lifting lug, and the left side plate and / or the right side plate are provided with a water inlet, a water outlet and an unloading port.

[0007] Optionally, the top plate is provided with an exhaust flange, and the bottom plate is provided with a liquid inlet flange. Both the exhaust flange and the liquid inlet flange are connected to the interior of the water tank.

[0008] Optionally, the base plate is further provided with a bottom reinforcing plate and a connector, wherein the bottom reinforcing plate is used to strengthen the structural strength of the base plate, and the connector is used to connect with the chassis.

[0009] Optionally, the end plate includes a first and a second segmented plate that are perpendicular to each other, and the first and the second segmented plate are connected to form an L-shaped bent plate. The first partition plate is connected to the connecting plate, and the two together form the top plate.

[0010] Optionally, the water tank is equipped with a water level pipe for measuring the water level inside the water tank.

[0011] Optionally, the water tank is equipped with an overflow pipe and a pressure balancing pipe, both of which connect to the inside and outside of the water tank.

[0012] Optionally, the chassis is also equipped with a water system, a hose reel, and a water spray frame, with the water spray frame located on the front side of the chassis; The reel is wound with a water pipe, and both the water pipe and the spray frame are connected to the water system, which is connected to the water pump unit.

[0013] Optionally, the chassis is equipped with side guardrails, and the water pump unit, the water system and the hose reel are all located inside the side guardrails; And / or, the chassis is provided with a rear guardrail, and the water pump unit, the water system and the reel are all located inside the rear guardrail.

[0014] Optionally, the water pump unit is located at the rear of the chassis and below the water tank.

[0015] Optionally, the cross-sectional shape of the water tank along its width direction is an inverted trapezoid or an inverted convex shape.

[0016] An embodiment of the present invention also provides a vehicle including the above-described vehicle body structure, wherein an extension area is provided on the upper part of the water tank; the extension area is used for parking a drone, or the extension area is used for installing a garbage collection bin, or the extension area is used for setting up an aerial work platform, or the extension area is used for installing a cargo box, or the extension area is used for installing a storage box.

[0017] Optionally, a storage box is installed in the extended area, and the storage box is laid flat on top of the water tank; The storage box has a side door on its side and / or a rear door at its rear.

[0018] Beneficial effects of the embodiments of the present invention: The vehicle structure includes a chassis, a water tank, and a water pump unit. The water tank is laid flat on the chassis from the front to the rear, and the water pump unit is located on the chassis below the water tank, connected to it. In this embodiment, the vehicle structure firstly lowers the height of the water tank by laying it flat on the chassis, thus lowering its center of gravity, which is beneficial for complex operating conditions such as braking and turning. Secondly, by placing the water pump unit on the chassis below the water tank, the water pump unit does not occupy upper chassis space, eliminating the need for a power compartment and allowing more space for the water tank, increasing its capacity. Furthermore, the water pump unit's location below the water tank ensures normal operation even when the water level is low.

[0019] The vehicle includes a body structure, which has all the functions of a body structure. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 A schematic diagram of the left side of a vehicle body structure provided for an embodiment of the present invention; Figure 2 A schematic diagram of a vehicle body structure provided for an embodiment of the present invention; Figure 3 A left-side schematic diagram of another vehicle body structure provided for an embodiment of the present invention; Figure 4 A right-side schematic diagram of another vehicle body structure provided for an embodiment of the present invention; Figure 5 A schematic diagram of the structure of a water tank provided for an embodiment of the present invention; Figure 6 A schematic diagram showing a water tank equipped with an exhaust flange, provided for an embodiment of the present invention; Figure 7 A rear view of the water tank provided for an embodiment of the present invention; Figure 8 A schematic diagram of the left side of the water tank provided for an embodiment of the present invention; Figure 9 A schematic diagram of the bottom side of a water tank provided for an embodiment of the present invention; Figure 10 A schematic diagram showing a base plate with an inlet flange provided for an embodiment of the present invention; Figure 11A schematic diagram of the end plate provided in an embodiment of the present invention; Figure 12 An exploded view of a water tank provided for an embodiment of the present invention; Figure 13 A schematic diagram of the structure of a water pump unit provided for an embodiment of the present invention; Figure 14 A schematic diagram of the left side of a road washing vehicle provided for an embodiment of the present invention; Figure 15 A schematic diagram of the right side of a road washing vehicle provided for an embodiment of the present invention; Figure 16 A rear view of a road washing vehicle provided for an embodiment of the present invention; Figure 17 A schematic diagram of the storage box and water tank in a road washing vehicle provided for an embodiment of the present invention; Figure 18 A schematic diagram showing a garbage collection and transportation compartment provided in the extended area of ​​the vehicle body structure in an embodiment of the present invention; Figure 19 This is a schematic diagram showing an aerial work platform and a storage box provided in the vehicle body structure extension area of ​​an embodiment of the present invention; Figure 20 This is a schematic diagram showing a cargo box provided in the extended area of ​​the vehicle body structure in an embodiment of the present invention; Figure 21 A schematic diagram showing a garbage bin transport container provided in the extended area of ​​the vehicle body structure in an embodiment of the present invention; Figure 22 A schematic diagram showing a storage box, a high-temperature and high-pressure cleaning device, and a sewage tank provided in an embodiment of the present invention for an extended area of ​​the vehicle body structure; Figure 23 This is a schematic diagram of a multi-functional drone parked in the extended area of ​​the vehicle body structure provided in an embodiment of the present invention.

[0022] Icons: 1-Chassis; 10-Side railing; 11-Rear railing; 12-Water system; 13-Hose reel; 14-Sprinkler frame; 2-Water tank; 20-Connecting plate; 201-Exhaust flange; 202-Exhaust flange sealing plate; 203-Lifting lug; 21-Base plate; 211-Inlet flange; 212-Inlet flange sealing plate; 213-Bottom reinforcing plate; 214-Outlet; 215-Connector; 22-Left side plate; 221-Overflow pipe; 23-Right side plate; 231-Pressure balance pipe; 232-Water inlet; 233-Return outlet; 234-Unloading port; 235-Hose reel mounting plate ; 24-End plate; 25-Rear side plate; 251-Water level mounting base; 252-Water level pipe; 26-Connecting base; 3-Water pump unit; 30-Plunger pump; 31-Motor; 32-Drive shaft; 33-Protective cover; 34-Upper structure electrical control; 35-Filter; 36-Mounting bracket; 4-Extension area; 40-Garbage collection and transportation bin; 41-Aerial work platform; 42-Cargo box; 43-Garbage bin transport box; 44-High temperature and high pressure cleaning equipment; 441-Sewage tank; 442-Sewage recycling device; 45-Multi-functional drone; 5-Storage box; 50-Side opening door; 51-Rear opening door. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0025] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0026] In the description of this invention, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of this invention is usually placed, they are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0027] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0028] The terms “comprising,” “including,” or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase “comprising one…” does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Unless otherwise explicitly specified and limited, terms such as "setup" and "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0030] It should be noted that, for the sake of simplicity, the aforementioned method embodiments are all described as a series of actions. However, those skilled in the art should understand that this application is not limited to the described order of actions, because according to this application, some steps can be performed in other orders or simultaneously. The steps in the methods of this application embodiments can be adjusted, combined, or deleted according to actual needs.

[0031] It should be noted that, where there is no conflict, the features in the embodiments of the present invention can be combined with each other.

[0032] A road washing truck is a common sanitation vehicle. It is usually equipped with a water tank, a storage box, and a power compartment. The water tank is used to store water, the storage box is used to store tools, and the power compartment is equipped with a water pump unit that can pump water from the water tank for road washing and dust suppression spraying.

[0033] Currently, most washing trucks are designed with the water tank, storage tank, and engine compartment arranged side-by-side on the chassis. For example, the storage tank, water tank, and engine compartment are arranged sequentially from the front to the rear of the vehicle, and they are basically at the same height. This arrangement has several drawbacks: (1) The overall structure is complex, which is not conducive to lightweight design.

[0034] (2) It can only be used as a washing vehicle, with a single function, and cannot be expanded into a multi-functional vehicle, and cannot meet diversified needs (such as high-temperature washing, scissor lift operation, etc.).

[0035] (3) The arrangement of the power compartment and storage box will occupy the limited space of the chassis and squeeze the space for the water tank, thus reducing the capacity of the water tank.

[0036] (4) The water tank is located in the middle and the length of the water tank in the vehicle length direction is small. In order to ensure the capacity of the water tank, the water tank can only be extended in the height direction. When the water tank is full of water, the center of gravity of the whole vehicle will become higher, which is not conducive to the driving of the vehicle. For example, the vehicle is prone to overturning when turning. Moreover, in order to ensure the structural strength of the water tank under harsh working conditions such as turning, braking and bumping, multiple reinforcing ribs and anti-wave plates need to be added inside the water tank. The structural design is complicated. When welding, the workers need to enter the sealed water tank to work, which not only poses a safety hazard, but also has a large amount of welding work and high welding difficulty.

[0037] (5) The storage box is located at the front. The storage box is used to store tools. Due to the limited length of the vehicle, the storage box is generally narrow, resulting in a small doorway size, which makes it inconvenient to place tools. Tools tend to pile up inside the storage box, increasing the difficulty of taking tools out.

[0038] (6) A water pump unit is arranged in the engine compartment. Since most water pump units use plunger pumps, the plunger pump needs a certain pressure at the inlet to avoid cavitation. However, the rear-mounted engine compartment will cause the plunger pump inlet to be higher than the bottom of the water tank. After the water level in the water tank drops, the plunger pump will have insufficient water supply pressure, resulting in cavitation at the plunger pump inlet.

[0039] In view of the above reasons, embodiments of the present invention provide a vehicle body structure and a vehicle that can solve the above problems. The vehicle includes the vehicle body structure, which will be described in detail below.

[0040] Please refer to Figures 1 to 4 The vehicle body structure includes a chassis 1, a water tank 2, and a water pump unit 3. From the front side to the rear side of the chassis 1, the water tank 2 is laid flat on the chassis 1, and the water pump unit 3 is located on the chassis 1 and below the water tank 2. The water pump unit 3 is connected to the water tank 2.

[0041] In this embodiment, the vehicle body structure lays the water tank 2 flat on the chassis 1, increasing the area of ​​the water tank 2 on the horizontal plane. This allows the height of the water tank 2 to be lowered without increasing or reducing its capacity, thus lowering the center of gravity of the water tank 2. This is beneficial for the vehicle during complex conditions such as braking and turning, improving driving safety. Secondly, the water pump unit 3 is located on the chassis 1 and below the water tank 2. The water pump unit 3 does not occupy the upper space of the chassis 1, eliminating the need for the traditionally designed power compartment. This provides more space for the water tank 2, increasing its capacity. Moreover, since the water pump unit 3 is located below the water tank 2, it can still pump water normally even when the water level in the water tank 2 is low.

[0042] The form of chassis 1 can be fuel-powered, pure electric, or hybrid chassis 1, and there is no limitation on this.

[0043] refer to Figures 5 to 12 The water tank 2 includes a connecting plate 20, a bottom plate 21, a left side plate 22, a right side plate 23, an end plate 24, and a rear side plate 25. The periphery of the connecting plate 20 is connected to the end plate 24, the rear side plate 25, the left side plate 22, and the right side plate 23. The connecting plate 20 is partially connected to the end plate 24 to form a top plate. The periphery of the bottom plate 21 is connected to the end plate 24, the rear side plate 25, the left side plate 22, and the right side plate 23.

[0044] Optionally, in order to ensure the sealing and structural strength of the water tank 2, the connecting plate 20, bottom plate 21, left side plate 22, right side plate 23, end plate 24 and rear side plate 25 can be connected by welding.

[0045] To avoid the need for welding operations to enter the interior of water tank 2, end plate 24 can be pre-configured as a bent plate (e.g., Figure 11 That is, the end plate 24 includes a first segmented plate and a second segmented plate that are perpendicular to each other. The first segmented plate and the second segmented plate are connected to form an L-shaped bent plate. The first segmented plate is connected to the connecting plate 20, and the two together form the top plate. That is, the first segmented plate acts as part of the top plate, and the second segmented plate acts as the front side plate of the water tank 2. In this way, when the first segmented plate is welded to the connecting plate 20, the weld seam is on the top surface, and the operator can work from the outside, which is beneficial to improving the safety of the operation and reducing the difficulty of the operation. The L-shaped bent plate can be pre-stamped and bent in the factory, which is beneficial to ensuring strength and reducing the amount of welding. Of course, the rear side plate 25 can also be set as a bent plate, and the left side plate 22 and the right side plate 23 can also be set as bent plates.

[0046] Figure 12The left side plate 22 and right side plate 23 shown are both bent plates, and the bottom plate 21 is a U-shaped bent plate. The top of the U-shaped bottom plate 21 is also provided with flanges on both sides to facilitate welding. The weld between the left side plate 22 and the bottom plate 21 is on the bottom surface, and the weld between the right side plate 23 and the bottom plate 21 is also on the bottom surface. The welds are on the bottom and top surfaces, which can reduce the difficulty of welding operations. Even if the water tank 2 leaks during subsequent use, it can be repaired by welding on the outside of the water tank 2, making the operation simpler.

[0047] Water tank 2 contains a large amount of water, therefore it needs to have a certain structural strength. Existing technologies increase the structural strength of water tank 2 by adding reinforcing ribs and frame beams, resulting in a large overall weight and complex structure. To reduce the weight of water tank 2, achieve lightweighting, and simplify its overall structural complexity, in this embodiment, the connecting plate 20, left side plate 22, right side plate 23, end plate 24, and rear side plate 25 constituting water tank 2 are made of bent steel plates. This not only provides high structural strength but also disrupts the flow of water within water tank 2, preventing the water from surging in one direction simultaneously.

[0048] Alternatively, the top plate can be welded from multiple bent plates; of course, the top plate can also be a single piece of wave-damping material. For example... Figure 5 As shown, the top plate includes multiple bent plates and a first split plate of the end plate 24. The bent plates are provided with bending structures, and multiple bent plates are welded together. The multiple bent plates and the first split plate of the end plate 24 are welded together to form the top plate. Since both the connecting plate 20 and the end plate 24 are provided with bending structures, they can increase the structural strength and also act as wave deflectors.

[0049] Of course, in order to increase the structural strength of the base plate 21, a bottom reinforcing plate 213 can also be welded to the base plate 21. The bottom reinforcing plate 213 can be welded to the outside of the base plate 21 or to the inside of the base plate 21 at the same time.

[0050] The base plate 21 is provided with a water outlet 214. A pipe joint can be welded and a filter screen can be installed at the water outlet 214 for connection with the water pump unit 3. The pipes and pipe joints of the water pump unit 3 can be detached for easy maintenance.

[0051] The lower area of ​​the left side plate 22 is provided with a water inlet 232, a water return inlet 233, and an unloading port 234. The water inlet 232 can be welded with a fire hose reel thread for easy fire water supply. Of course, the water inlet 232, water return inlet 233, and unloading port 234 can also be located in the lower area of ​​the right side plate 23, or the water inlet 232, water return inlet 233, and unloading port 234 can be provided on both the left side plate 22 and the right side plate 23.

[0052] After the water tank 2 is welded, it can be further processed by electrophoresis to coat its surface with an anti-corrosion coating. Multiple through holes are provided on the bottom plate 21 and the top plate. An inlet flange 211 is sealed to the through holes on the bottom plate 21, and an vent flange 201 is sealed to the through holes on the top plate. The inlet flange 211 and the vent flange 201 connect the inside and outside of the water tank 2. When the water tank 2 is hoisted into the electrophoretic pool, the bottom plate 21 first contacts the coating. The coating enters the interior of the water tank 2 through the inlet flange 211, and the air inside the water tank 2 is expelled through the vent flange 201 until the coating completely fills and submerges the water tank 2, thus coating both the interior and exterior surfaces of the water tank 2.

[0053] After the surface coating of water tank 2 is completed, the inlet flange sealing plate 212 can be used to cover the inlet flange 211 to seal the inlet flange 211; similarly, the vent flange sealing plate 202 can be used to cover the vent flange 201 to seal the vent flange 201.

[0054] The processing of water tank 2 usually requires hoisting and relocation. For example, during electrophoresis, the entire water tank 2 needs to be hoisted into the electrophoresis pool. Therefore, to facilitate the hoisting of water tank 2, multiple lifting lugs 203 are provided on water tank 2. The lifting lugs 203 can be used with hooks for hoisting. In this embodiment, the lifting lugs 203 are welded and fixed to the top plate. Of course, the lifting lugs 203 can also be set on the left side plate 22 or the right side plate 23.

[0055] After processing, the water tank 2 is connected to the chassis 1, and the water tank 2 is laid flat in the upper space of the chassis 1. The water tank 2 and the chassis 1 can be fixedly connected by welding or other methods, or the water tank 2 can be detachably connected to the chassis 1 by screws, snaps, or other methods.

[0056] In this embodiment, the water tank 2 and the chassis 1 are detachably connected. This detachable connection facilitates the separation of the water tank 2 from the chassis 1, allowing for quick disassembly and repair in case of damage or leakage. A connector 215 is provided on the base plate 21 of the water tank 2, and a mating part is provided at a corresponding position on the chassis 1. The mating part and the connector 215 are compatible, thereby connecting the water tank 2 to the chassis 1. The structure of the connector 215 is not limited. For example, the connector 215 can be an L-shaped steel sheet, with one side welded to the outer wall of the base plate 21 and threaded holes on it. Reinforcing ribs are also welded to both sides of the steel sheet. A corresponding threaded hole is provided on the chassis 1. When the water tank 2 is placed on the chassis 1, the threaded hole on the steel sheet aligns with the threaded hole on the chassis 1. Bolts can then be used to connect the water tank 2 to the chassis 1 through the aligned threaded holes.

[0057] The water tank 2 is also equipped with an overflow pipe 221 and a pressure balancing pipe 231, both of which connect the interior and exterior of the water tank 2. One end of the overflow pipe 221 is open, and the other end is open on the side. The open end of the overflow pipe 221 is located outside the water tank 2, while the open side end is located inside the water tank 2. The overflow pipe 221 is positioned along the height of the water tank 2, and the open side end is welded to the inner wall of the top plate of the water tank 2. One end of the pressure balancing pipe 231 is open, located outside the water tank 2. The other end of the pressure balancing pipe 231 has a top opening near the top surface, located inside the water tank 2, serving to balance the air pressure inside and outside the water tank 2. When the water tank 2 is full of water, the water level is always lower than the top opening of the air pressure balance pipe 231, so that the air pressure in the water tank 2 is balanced with the external atmospheric pressure. This is conducive to the water in the water tank 2 being discharged through the outlet 214, and also conducive to the water being added into the water tank 2 through the inlet 232.

[0058] An overflow pipe 221 is located on one side of the left side plate 22, with its lower end penetrating the bottom of the left side plate 22. An air pressure balance pipe 231 is located on one side of the right side plate 23, with its lower end penetrating the bottom of the right side plate 23.

[0059] A water level pipe 252 can also be installed on the outside of the water tank 2. The lower end of the water level pipe 252 is connected to the inside of the water tank 2. The water level in the water tank 2 is measured through the water level pipe 252. The water level pipe 252 can accurately reflect the water level in the water tank 2, providing a reference for adding and using water.

[0060] The water level pipe 252 can be installed on the rear side plate 25, the left side plate 22, or the right side plate 23 for easy observation. In this embodiment, the water level pipe 252 is installed on the rear side plate 25. Two water level mounting seats 251 are provided on the rear side plate 25, arranged along the height of the water tank 2. The water level pipe 252 can be installed on the two water level mounting seats 251, with its lower end extending to the bottom plate 21, thus accurately reflecting the water level. Because the internal and external air pressures of the water tank 2 are balanced through the air pressure balance pipe 231, when the water level pipe 252 is connected to the inside of the water tank 2, water from the water tank 2 can flow into the water level pipe 252 and be displayed at the same water level.

[0061] It is worth mentioning that the welding sequence of water tank 2 can be as follows: first, weld the rear side plate 25, left side plate 22, right side plate 23 and bottom plate 21 together to form component one; then install the overflow pipe 221 and air pressure balance pipe 231 on component one and weld them together to form component two; next, weld the connecting plate 20 to component two to form component three; then, weld the end plate 24 to component three to form component four; finally, weld the lifting lug 203 to component four.

[0062] Optionally, the cross-sectional shape of the water tank 2 along its width can be an inverted convex shape, such as... Figure 6 As shown. The cross-sectional shape of the water tank 2 along its width direction can be an inverted trapezoid. In this case, the bottom plate 21 can be set with a trapezoidal open structure. The design of the inverted trapezoidal cross section can increase the water capacity of the water tank 2, and also enhance the rigidity and load-bearing capacity of the side of the water tank 2.

[0063] The water in water tank 2 can be pumped out by water pump unit 3, which is located on the side of chassis 1 and below water tank 2. Alternatively, water pump unit 3 can be located at the rear of chassis 1 and below water tank 2, depending on the requirements.

[0064] Refer again Figures 1 to 4 In this embodiment, the water pump unit 3 is located on the left side of the chassis 1. A water system 12 and a reel 13 are also located on the right side of the chassis 1. A water spray frame 14 is located at the front of the chassis 1. Both the reel 13 and the water system 12 are located below the water tank 2. The reel 13 has a water pipe wound around it, and both the water pipe and the water spray frame 14 are connected to the water system 12, which is connected to the water pump unit 3. A reel mounting plate 235 is located at the bottom of the right side plate 23, and the reel 13 can be mounted on the reel mounting plate 235. The water system 12 includes components such as multi-way valves and pressure gauges, which can distribute water from the water pump unit 3 as needed, allowing water to flow into the water pipe at the reel 13 or into the water spray frame 14. The water spray frame 14 is equipped with nozzles, enabling road washing or dust suppression spraying. The water pipe at the reel 13 can be connected to a handheld spray gun for handheld spraying operations. The specific configuration of the water system 12, the water jet frame 14, and the hose reel 13 is not described here; please refer to existing technology. Furthermore, as... Figure 3 and Figure 4 The water spray frame 14 on the vehicle shown can also be removed depending on the actual situation.

[0065] It is worth mentioning that the front, rear, left, right, top, and bottom directions mentioned in this embodiment are based on the chassis 1 as a reference point. The side closer to the front of the chassis 1 is the front side, the side closer to the rear of the chassis 1 is the rear side, the left side is the left side and the right side is the right side when standing at the rear of the chassis 1 facing the front of the chassis 1, the side of the chassis 1 closest to the ground is the bottom side, and the side of the chassis 1 furthest from the ground is the top side.

[0066] Side guardrails 10 are provided on both the left and right sides of the chassis 1. The left side guardrail 10 can protect the water pump unit 3, so that the water pump unit 3 is located inside the left side guardrail 10; the right side guardrail 10 can protect the water system 12 and the reel 13, so that the water system 12 and the reel 13 are both located inside the right side guardrail 10.

[0067] A rear guardrail 11 is also provided behind the chassis 1. The water pump unit 3, water system 12 and reel 13 are all located inside the rear guardrail 11. The rear guardrail 11 protects the water pump unit 3, water system 12 and reel 13.

[0068] The water pump unit 3 includes a mounting bracket 36 and a water pump. The water pump is mounted on the mounting bracket 36, which is connected to the chassis 1. The water pump is connected to the outlet 214 of the water tank 2 via a water supply pipe. The water pump can be one of various models, and the type of water pump is not limited.

[0069] refer to Figure 13 The water pump unit 3 shown in this embodiment includes a mounting bracket 36, a plunger pump 30, a motor 31, a drive shaft 32, and an upper electrical control unit 34. The motor 31, drive shaft 32, protective cover 33, and plunger pump 30 are all mounted on the mounting bracket 36.

[0070] The output end of motor 31 is connected to drive shaft 32, and a protective cover 33 is provided on the outside of drive shaft 32. The upper-mounted electronic control unit 34 is located outside the protective cover 33. Drive shaft 32 is connected to plunger pump 30. When motor 31 operates, it drives the plunger of plunger pump 30 to reciprocate through drive shaft 32, thereby pumping water out of water tank 2. A filter 35 is also provided on the water inlet side of plunger pump 30 to filter impurities in the water and prevent clogging of plunger pump 30. A speed reducer can also be installed inside the protective cover 33 to reduce the high-speed output of motor 31 and then transmit torque to plunger pump 30. The upper-mounted electronic control unit 34 can regulate the speed of motor 31.

[0071] Of course, the output shaft of the motor 31 can also be directly connected to the plunger pump 30 via a coupling, eliminating the need for the drive shaft 32 and the reducer.

[0072] In this embodiment, the water pump unit 3 is set below the water tank 2. When the water pump is a plunger pump 30, even if the water level in the water tank 2 is low, the plunger pump 30 can still operate normally and will not cause cavitation at the inlet of the plunger pump 30 due to insufficient water supply pressure.

[0073] The vehicle structure described above involves laying the water tank 2 flat on the chassis 1, which increases the capacity of the water tank 2 and makes the overall structure of the water tank 2 simpler and lighter. However, in order to make the washing vehicle more versatile and achieve multi-functionality to meet diverse needs, an expansion area 4 is also provided on the upper part of the water tank 2, which can be flexibly expanded as needed.

[0074] Taking the application of the above-mentioned vehicle body structure to a road washing truck as an example, see reference. Figures 14 to 17The road washing vehicle includes a chassis 1, a water tank 2, and a storage box 5. The water tank 2 is laid flat in the upper space of the chassis 1, and the storage box 5 is installed in the extended area 4 above the water tank 2. The storage box 5 is laid flat on top of the water tank 2.

[0075] The storage box 5 is laid flat above the water tank 2 and can be arranged along the length of the vehicle, increasing its horizontal area. When placing tools in the storage box 5, multiple different tools can be laid flat to avoid piling them up, making it easier and more convenient to retrieve them. Furthermore, a side door 50 can be provided on the side of the storage box 5, and a rear door 51 can be provided at the rear. The width of the side door 50 and the rear door 51 is not limited, facilitating personnel access to the storage box 5 and making it easier to retrieve longer tools. Of course, it is also possible to have only a side door 50 on the side of the storage box 5, or only a rear door 51 at the rear of the storage box 5.

[0076] The top of the water tank 2 is provided with multiple connecting seats 26, which are spaced apart on the top of the water tank 2. The connecting seats 26 can be connected to the storage box 5. The structure of the connecting seat 26 can be various and is not limited to one. As an example, the connecting seat 26 is a lock body, which is welded to the top of the water tank 2. The storage box 5 is welded with a locking hook, which can lock and connect with the lock body, thereby connecting the storage box 5 to the water tank 2.

[0077] In addition to being used in road washing vehicles, the above-mentioned vehicle body structure can be further extended to various functional vehicles. Therefore, embodiments of the present invention also provide a vehicle including the above-mentioned vehicle body structure, with the water tank 2 laid flat on the chassis 1 and an extension area 4 provided on the upper part of the water tank 2.

[0078] like Figure 18 The extended area 4 can be equipped with a waste collection bin 40, which collects waste, integrating waste collection and unloading functions with road washing. Sliding doors can be installed on both sides of the waste collection bin 40, and a hidden hydraulic cylinder is installed at the front of the bin 40 to lift it. The waste collection bin 40 can be a sealed bin or a top-open bin.

[0079] like Figure 19 The extended area 4 can also be equipped with an aerial work platform 41, for example, in Figure 14Based on the vehicle body shown, a certain space is reserved on the side of the storage box 5 near the front of the chassis 1. An aerial work platform 41, which can be a scissor lift, is arranged in this space. This allows the vehicle to perform aerial work (such as high-altitude cleaning and maintenance of municipal equipment requiring height access) in addition to its regular road cleaning and maintenance functions. The scissor lift can be placed on top of the water tank 2, or space can be left between the water tank 2 and the front of the vehicle, allowing the scissor lift to be directly mounted on the chassis 1.

[0080] like Figure 20 The extended area 4 can also be equipped with a cargo box 42, which is connected to the water tank 2. The cargo box 42 can be used to load materials (such as materials needed for the maintenance of urban public facilities), realizing multiple functions of the vehicle. The cargo box 42 can be an open box or a closed box.

[0081] like Figure 21 The extended area 4 can also be equipped with garbage bin transport boxes 43. In addition to the regular road cleaning and maintenance functions, the vehicle can also transport garbage bins and bagged garbage, and can also clean the garbage bins.

[0082] like Figure 22 The extended area 4 can also be equipped with storage boxes 5, which are equipped with high-temperature and high-pressure cleaning equipment 44 and sewage tank 441. The high-temperature and high-pressure cleaning equipment 44 can wash the heavy oil road surface and also wash the garbage cans. A sewage recovery device 442 can also be installed on the chassis 1. After the high-temperature and high-pressure cleaning equipment 44 washes the heavy oil road surface, the sewage can be recovered through the sewage recovery device 442 to avoid sewage pollution to the environment. The sewage recovery device 442 is connected to the sewage tank 441. The recovered sewage is collected into the sewage tank 441 and then discharged to a designated location.

[0083] Optionally, a passageway may be provided on the side of the storage box 5, with a door installed in the passageway for easy access to the storage box 5. The door can be a single door, a double door, or a sliding door, etc., and the type of door is not limited. The number of doors and their placement are also not limited.

[0084] Optionally, a rotating boom can be installed above the storage box 5 to collect wastewater, or a suction hole can be installed on the side of the storage box 5 for wastewater collection.

[0085] like Figure 23 The extended area 4 can also be used to park the multi-functional drone 45. The multi-functional drone 45 can be used for high-altitude facade cleaning, fire early warning, and initial fire suppression. The chassis 1 can charge the multi-functional drone 45, and the water tank 2 can add water to the multi-functional drone 45.

[0086] It is understandable that the extended area 4 above the water tank 2 is not limited to the above-mentioned extensions, and can be extended for use according to actual needs, which will not be listed one by one.

[0087] In this embodiment of the invention, the water tank 2 is laid flat on the chassis 1, and a storage box 5 is arranged above the water tank 2. This changes the existing layout of the washing vehicle, which has a rear-mounted power compartment, a centrally located water tank 2, and a front-mounted storage box 5. This not only simplifies the overall structure but also increases the capacity of the water tank 2, while avoiding the defects of many existing layouts.

[0088] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A vehicle body structure, characterized in that, include: Chassis (1); Water tank (2), from the front side of the chassis (1) to the rear side, the water tank (2) is laid flat on the chassis (1). A water pump unit (3) is installed on the chassis (1) and located below the water tank (2). The water pump unit (3) is connected to the water tank (2).

2. The vehicle body structure according to claim 1, characterized in that, The water tank (2) includes a connecting plate (20), a bottom plate (21), a left side plate (22), a right side plate (23), an end plate (24), and a rear side plate (25). The periphery of the connecting plate (20) is connected to the end plate (24), the rear side plate (25), the left side plate (22), and the right side plate (23). The connecting plate (20) and part of the end plate (24) form a top plate. The periphery of the bottom plate (21) is connected to the end plate (24), the rear side plate (25), the left side plate (22), and the right side plate (23). The bottom plate (21) is provided with a water outlet (214), the top plate is provided with a lifting lug (203), and the left side plate (22) and / or the right side plate (23) are provided with a water inlet (232), a water return outlet (233) and an unloading outlet (234).

3. The vehicle body structure according to claim 2, characterized in that, The top plate is provided with an exhaust flange (201), and the bottom plate (21) is provided with a liquid inlet flange (211). Both the exhaust flange (201) and the liquid inlet flange (211) are connected to the interior of the water tank (2).

4. The vehicle body structure according to claim 2, characterized in that, The base plate (21) is also provided with a bottom reinforcing plate (213) and a connector (215). The bottom reinforcing plate (213) is used to strengthen the structural strength of the base plate (21), and the connector (215) is used to connect with the chassis (1).

5. The vehicle body structure according to claim 2, characterized in that, The end plate (24) includes a first sub-plate and a second sub-plate that are perpendicular to each other, and the first sub-plate and the second sub-plate are connected to form an L-shaped bent plate. The first sub-plate is connected to the connecting plate (20), and the two together form the top plate.

6. The vehicle body structure according to claim 1, characterized in that, The water tank (2) is equipped with a water level pipe (252), which is used to measure the water level in the water tank (2).

7. The vehicle body structure according to claim 1, characterized in that, The water tank (2) is equipped with an overflow pipe (221) and a pressure balance pipe (231), both of which are connected to the inside and outside of the water tank (2).

8. The vehicle body structure according to any one of claims 1-7, characterized in that, The chassis (1) is also provided with a water system (12), a reel (13) and a water spray frame (14), the water spray frame (14) being located on the front side of the chassis (1); The reel (13) is wound with a water pipe, and the water pipe and the water spray frame (14) are both connected to the water system (12), which is connected to the water pump unit (3).

9. The vehicle body structure according to claim 8, characterized in that, The chassis (1) is equipped with a side guardrail (10), and the water pump unit (3), the water system (12) and the reel (13) are all located inside the side guardrail (10); And / or, the chassis (1) is provided with a rear guardrail (11), and the water pump unit (3), the water system (12) and the reel (13) are all located inside the rear guardrail (11).

10. The vehicle body structure according to claim 1, characterized in that, The water pump unit (3) is located at the rear of the chassis (1) and below the water tank (2).

11. The vehicle body structure according to claim 1, characterized in that, The cross-sectional shape of the water tank (2) along its width direction is an inverted trapezoid or an inverted convex shape.

12. A vehicle, characterized in that, The vehicle body structure includes any one of claims 1-11, wherein the upper part of the water tank (2) is provided with an extension area (4); the extension area (4) is used to park a drone, or the extension area (4) is used to install a garbage collection bin (40), or the extension area (4) is used to install an aerial work platform (41), or the extension area (4) is used to install a cargo box (42), or the extension area (4) is used to install a storage box (5).

13. The vehicle according to claim 12, characterized in that, The extended area (4) is equipped with a storage box (5), which is laid flat on the upper part of the water tank (2); The storage box (5) has a side door (50) on its side and / or a rear door (51) at its rear.

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