SUMMERY OF THE UTILITY MODEL
It is a primary object of the present disclosure to overcome the above-mentioned problem of difficult modification of prior art air food vehicles, and to provide a chassis and a vehicle having the same.
According to the utility model discloses a first aspect provides a chassis, include the frame and install the fuel power assembly on the frame, fuel power assembly is used for being connected with the transmission shaft, and the chassis still includes: the electric control box is arranged on the frame; the hydraulic power assembly is arranged on the frame, the electric cabinet is connected with the hydraulic power assembly, and the hydraulic power assembly is used for being connected with the execution unit.
In an embodiment of the present invention, the chassis further includes: the battery pack is arranged on the frame and connected with the electric cabinet to provide power for the hydraulic power assembly through the electric cabinet.
In one embodiment of the present invention, the hydraulic power assembly includes a hydraulic oil tank assembly, a motor hydraulic pump assembly and a hydraulic oil circuit unit disposed on the frame; the electric control box is connected with the motor hydraulic pump assembly, and the hydraulic oil circuit unit is used for being connected with the execution unit so as to control the execution unit to move when the battery assembly provides power for the motor hydraulic pump assembly.
The utility model discloses an embodiment, hydraulic tank subassembly, motor hydraulic pump subassembly and hydraulic pressure oil circuit unit all are located same one side of frame, and battery pack is located the opposite side that frame and motor hydraulic pump subassembly place one side are relative.
In one embodiment of the present invention, the fuel power assembly includes a diesel tank assembly, an engine, and a transmission disposed on the frame, the transmission being adapted to be connected to the transmission shaft; wherein, diesel tank subassembly and the adjacent setting of hydraulic power assembly, and all lie in the same one side of frame, battery pack lies in the opposite side of frame and diesel tank subassembly place one side relative.
In an embodiment of the present invention, the front portion of the frame is used for mounting a cab, and the chassis further includes: the gas tank assembly is arranged on the frame; wherein, electric cabinet and gas pitcher subassembly all are located the afterbody of frame, and are located the both sides of frame respectively, and hydraulic power assembly is located between driver's cabin and the electric cabinet.
According to a second aspect of the present invention, there is provided a vehicle comprising the above-mentioned chassis and a cab disposed on the chassis.
In an embodiment of the present invention, the vehicle further includes: the hydraulic power assembly is connected with the execution unit; the box body is positioned above the frame, and the execution unit is in driving connection with the box body, so that the hydraulic power assembly drives the box body to move along a preset track through the execution unit.
The utility model discloses an in the embodiment, the vehicle is the food car, and the vehicle still includes electric refrigeration unit, and electric refrigeration unit is used for providing the cold source to the box, and electric refrigeration unit includes: the compressor assembly is arranged on the frame; the evaporator is arranged on the box body.
In an embodiment of the present invention, the execution unit includes: one end of the lifting frame is connected with the frame, and the other end of the lifting frame, which is far away from the frame, is connected with the box body; the hydraulic power assembly is connected with the driving oil cylinder, and the driving oil cylinder is in driving connection with the lifting frame so as to drive the box body to move through the lifting frame.
The utility model discloses a chassis sets up the driving system into different driving systems through the driving system with the driving system of frame and execution unit, rotates through fuel power assembly drive transmission shaft promptly and realizes the motion drive to the frame, and the electric cabinet transmits electric power for hydraulic power assembly realizes the motion drive to execution unit. The chassis reserves the fuel power assembly of the fuel chassis, and the driving source of the hydraulic power assembly is changed into electric drive, the fuel power assembly can provide enough motion power for the vehicle, and the electric drive hydraulic power assembly can ensure that the execution unit executes corresponding operation. The basic chassis keeps the basic composition of the original fuel chassis, and the power source of the original fuel chassis is improved to a certain extent, so that the sewage discharge capacity is reduced to a certain extent, the structure of the aviation food vehicle is integrally kept, and the basic modification of the aviation food vehicle is realized.
Detailed Description
Exemplary embodiments that embody features and advantages of the present disclosure are described in detail below in the specification. It is to be understood that the disclosure is capable of various modifications in various embodiments without departing from the scope of the disclosure, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.
In the following description of various exemplary embodiments of the disclosure, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration various exemplary structures in which aspects of the disclosure may be practiced. Other specific arrangements of systems and steps, and structural and functional modifications may be made without departing from the scope of the present disclosure. Moreover, although the terms "over", "between", "within", and the like may be used in this specification to describe various example features and elements of the disclosure, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the drawings. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of this disclosure.
An embodiment of the utility model provides a chassis, please refer to fig. 1 to 3, chassis include frame 10 and install the fuel power assembly on frame 10, and the fuel power assembly is used for being connected with the transmission shaft, and the chassis still includes: the electric cabinet 20, the electric cabinet 20 is set up on the frame 10; the hydraulic power assembly 30 is arranged on the frame 10, the electric cabinet 20 is connected with the hydraulic power assembly 30, and the hydraulic power assembly 30 is used for being connected with an execution unit.
The utility model discloses a chassis sets up the driving system into the different driving system through the driving system with frame 10's driving system and execution unit, rotates through fuel drive assembly drive transmission shaft promptly and realizes the motion drive to frame 10, and electric cabinet 20 realizes the motion drive to execution unit with electric power transmission for hydraulic drive assembly 30. The chassis reserves the fuel power assembly of the fuel chassis, and the driving source of the hydraulic power assembly 30 is changed into electric drive, the fuel power assembly can provide enough movement power for the vehicle, and the electric drive hydraulic power assembly 30 can ensure that the execution unit executes corresponding operation. The basic chassis keeps the basic composition of the original fuel oil chassis, and the power source of the original fuel oil chassis is improved to a certain extent, so that the discharge capacity is reduced to a certain extent, the structure of the aviation food vehicle is integrally kept, the basic modification of the aviation food vehicle is realized, and the problem that the modification of the aviation food vehicle in the prior art is difficult is solved.
In one embodiment, the fuel power assembly transmits power to the transmission shaft through the gearbox, and the rear axle sequentially drives the driving wheels to move.
In one embodiment, the gearbox is integrated with the power take-off, i.e. the gearbox and the power take-off are driven by one drive motor.
As shown in fig. 1, the chassis further includes: the battery assembly 40 is arranged on the frame 10, and the battery assembly 40 is connected with the electric cabinet 20 so as to provide power for the hydraulic power assembly 30 through the electric cabinet 20.
In one embodiment, the frame 10 is provided with a battery assembly 40, the electric cabinet 20 sends electric energy of the battery assembly 40 to the hydraulic power assembly 30, and then control over the execution unit is achieved through the hydraulic power assembly 30. Because the driving force requirement of the hydraulic power assembly 30 is relatively small, and the operation of the hydraulic power assembly 30 can be realized by supplying energy through the battery component 40, compared with the existing fuel power, the emission of pollutants is reduced to a certain extent.
In one embodiment, battery assembly 40 may be secured to frame 10 and directly charged during a particular charging event.
In one embodiment, battery assembly 40 is removably disposed on frame 10 and may be removed for recharging during a particular recharging session.
In one embodiment, the battery assembly 40 is comprised of a battery pack, a battery management unit, a battery charging port, a secondary battery, and an electric cabinet.
In one embodiment, the battery pack is used to provide electrical power to the hydraulic drive train 30, so that as many battery packs as possible can be installed to increase the range of the chassis.
In one embodiment, when space on frame 10 allows, the battery packs can be divided into two groups, one group is located on the left side of frame 10, and the other group is located on the right side of frame 10, and the installation position of each battery pack not only considers the space occupancy, but also considers the balance of the chassis. A plurality of battery packs may also be stacked. Battery packs are mounted on the left and right sides of the tail of the frame 10.
With respect to the basic components of the hydraulic power assembly 30, as shown in fig. 1, the hydraulic power assembly 30 includes a hydraulic oil tank assembly 31, a motor hydraulic pump assembly 32, and a hydraulic oil circuit unit 33 disposed on the frame 10; wherein, the electric control box 20 is connected with the motor hydraulic pump assembly 32, and the hydraulic oil circuit unit 33 is used for being connected with the execution unit, so that when the battery assembly 40 provides power for the motor hydraulic pump assembly 32, the hydraulic oil circuit unit 33 is used for controlling the execution unit to move.
In one embodiment, when the battery assembly 40 supplies power to the electro-hydraulic pump assembly 32 through the electric cabinet 20, the electro-hydraulic pump assembly 32 operates such that hydraulic oil in the hydraulic oil tank assembly 31 can be pumped out and then fed into each of the actuating lines through the hydraulic oil circuit unit 33, thereby controlling the actuating units to perform their respective movements.
In one embodiment, the hydraulic oil tank assembly 31, the motor-driven hydraulic pump assembly 32 and the hydraulic oil circuit unit 33 are located on the same side of the frame 10, and the battery assembly 40 is located on the other side of the frame 10 opposite to the side where the motor-driven hydraulic pump assembly 32 is located. The battery assembly 40 and the hydraulic power assembly 30 are respectively located on two sides of the frame, that is, the two can ensure the overall balance of the frame 10 in a balanced configuration.
In one embodiment, the hydraulic oil circuit unit 33 has a control function to ensure reliable entry of hydraulic oil into each of the execution lines.
For the specific structure of the fuel power assembly, the fuel power assembly comprises a diesel tank component 70 arranged on the frame 10, an engine and a gearbox, wherein the gearbox is used for being connected with a transmission shaft; wherein, the diesel tank component 70 is disposed adjacent to the hydraulic power assembly 30, and both are located on the same side of the frame 10, and the battery component 40 is located on the other side of the frame 10 opposite to the side where the diesel tank component 70 is located.
In one embodiment, the fuel powered assembly is a diesel powered assembly, i.e., includes a diesel tank assembly 70, the diesel tank assembly 70 and the hydraulic power assembly 30 are located on the same side of the vehicle frame 10, and the battery assembly 40 is located on the other side of the vehicle frame 10, the weight of the battery assembly 40 substantially corresponding to the weight of the diesel tank assembly 70 and the hydraulic power assembly 30, thereby allowing a substantially balanced condition to be maintained on both sides of the vehicle frame 10.
In view of the integrity of the chassis, as shown in fig. 1 and 2, the front portion of the frame 10 is used for mounting a cab 50, and the chassis further includes: a gas tank assembly 60, the gas tank assembly 60 being provided on the vehicle frame 10; wherein, electric cabinet 20 and gas tank subassembly 60 all are located the afterbody of frame 10, and are located the both sides of frame 10 respectively, and hydraulic power assembly 30 is located between driver's cabin 50 and electric cabinet 20.
In one embodiment, the gas tank assembly 60 on the vehicle frame 10 is used for providing gas source for the brake system, and the gas tank assembly 60 and the electric control box 20 are arranged at the tail part of the vehicle frame 10 and are positioned at two sides of the vehicle frame 10, and the whole is in a symmetrical installation mode, namely, the whole balance of the vehicle frame is ensured.
In one embodiment, the battery assembly 40 and the air tank assembly 60 are located on a first side of the frame 10, and the hydraulic power assembly 30, the diesel tank assembly 70 and the electric cabinet 20 are located on a second side of the frame 10, and the layout of the components on the whole frame 10 needs to take into consideration not only the specific installation space and the use condition, but also the balance of the frame 10.
An embodiment of the present invention further provides a vehicle, please refer to fig. 2 and 3, the vehicle includes the above-mentioned chassis and a cab 50 disposed on the chassis.
In one embodiment, the electric control box 20, the hydraulic power assembly 30, the battery assembly 40, the gas tank assembly 60, and the diesel tank assembly 70 are all disposed on the frame 10 and are all located behind the cab 50.
In one embodiment, cab 50 may be selected as sleeper cab 50, and the sleeper may be cut away to allow space for other components, such as battery packs, to be installed. Alternatively, the cab 50 without the sleeper is selected to reserve an installation space behind the cab 50.
As shown in fig. 2 and 3, the vehicle further includes: the hydraulic power assembly 30 is connected with the execution unit; and the box body 80 is positioned above the frame 10, and the execution unit is in driving connection with the box body 80, so that the hydraulic power assembly 30 drives the box body 80 to move along a preset track through the execution unit.
In one embodiment, the hydraulic drive assembly 30 delivers hydraulic fluid to the actuator unit, which then operates to drive the movement of the housing 80.
In one embodiment, the vehicle is a food cart, the vehicle further comprising an electric refrigeration unit for providing a cold source to the compartment 80, the electric refrigeration unit comprising: the compressor assembly 91, the compressor assembly 91 is arranged on the frame 10; an evaporator provided on the case 80. Since the vehicle is a food vehicle, that is, the box 80 is mainly used for transporting food, an electric refrigerator unit needs to be arranged on the vehicle, and the power of the electric refrigerator unit is derived from the battery assembly 40, that is, the electric refrigerator unit is driven to operate by electric power, so that the electric refrigerator unit does not depend on fuel oil, and the emission of pollutants can be reduced.
In one embodiment, the electric refrigeration unit is an electric air conditioner.
In one embodiment, the compressor assembly 91 is located on the same side of the frame 10 as the hydraulic drive train 30, the diesel tank assembly 70 and the electric control box 20.
As for the specific structure of the execution unit, as shown in fig. 2, the execution unit includes: one end of the lifting frame 84 is connected with the frame 10, and the other end of the lifting frame 84, which is far away from the frame 10, is connected with the box body 80; the driving oil cylinder 85, the hydraulic power assembly 30 and the driving oil cylinder 85 are connected, and the driving oil cylinder 85 and the lifting frame 84 are in driving connection so as to drive the box body 80 to move through the lifting frame 84.
In one embodiment, the crane 84 operates under the action of the driving cylinder 85, that is, after the hydraulic power assembly 30 sends hydraulic oil to the driving cylinder 85, the driving rod of the driving cylinder 85 extends out, and the driving rod drives the crane 84 to move, so that the box body 80 moves away from the frame 10. Conversely, when the driving rod is retracted, the driving rod drives the crane 84 to move, thereby moving the box body 80 to a direction close to the vehicle frame 10.
In one embodiment, the crane 84 is composed of a first frame body 841 and a second frame body 842, the first frame body 841 is hinged to the frame 10 at one end and movably disposed on the box body 80 at the other end, the second frame body 842 is hinged to the box body 80 at one end and movably disposed on the frame 10 at the other end, and the first frame body 841 and the second frame body 842 are connected by a connecting shaft and can rotate with each other. When the driving cylinder 85 drives the second frame 842 to move, the second frame 842 also drives the first frame 841 to move.
As shown in fig. 2 and 3, the vehicle further includes a driving portion, a four-way platform 81 is disposed on the box, the four-way platform 81 is used for interfacing with a door of the aircraft, and the four-way platform 81 includes: a fixing part provided on the case 80; a traverse section, the position of which is adjustably arranged on the fixing section, and the driving section is arranged on the traverse section; the telescopic part is used for being butted with the cabin door, and the driving part is in driving connection with the telescopic part so as to drive the telescopic part to move along the direction close to or far away from the cabin door.
In one embodiment, the drive portion may be a drive cylinder, the movement of which is controlled by the hydraulic power pack 30.
In one embodiment, the driving part may be an electric push rod, and is powered by the battery assembly 40 and then operated.
In one embodiment, the four-way platform 81 on the box 80 is primarily used to interface with a door of an aircraft, i.e., to communicate the interior of the box 80 with the cabin interior. The fixed part ensures that the four-way platform 81 moves up and down along with the box body, the transverse moving part mainly ensures that the four-way platform is horizontally aligned with the cabin door, and the telescopic part is used for being abutted with the cabin door.
For further improvement of the vehicle, as shown in fig. 2 and 3, the vehicle further includes: the movable awning 82, the movable awning 82 is arranged at one end of the box body 80 close to the four-way platform 81; wherein at least a portion of the moving rain fly 82 is telescopically disposed such that the moving rain fly 82 has a first position in which it is shielded above the four-way platform 81 and a second position in which it releases the four-way platform 81.
In one embodiment, the movable rain fly 82 is mainly used for protecting the four-way platform 81, and the movable rain fly 82 is driven by a driving part, which can be an oil cylinder or an electric push rod.
In one embodiment, the vehicle further comprises: and the side ladder 83 is used for allowing workers to enter the four-way platform 81. In particular, the side ladder 83 is used for the staff to enter the four-way platform 81, which can be directly fixed on the frame 10 or can be erected on the cab 50.
In one embodiment, the chassis is an electric lift truck chassis which can effectively solve the problem that a battery pack is difficult to install and arrange on a lift truck. The electric lift truck adopts an internal combustion engine driving mode (namely a fuel power assembly) in the running process, and a battery assembly 40 is adopted for supplying power to drive the hydraulic system (the hydraulic power assembly 30) and the refrigeration system (the electric refrigeration unit) when working.
In one embodiment, the motorized lift truck includes a cab 50, a chassis, a lift (crane 84), and a lift platform (box 80 and four-way platform 81). Wherein the cab 50 is positioned at the foremost end of the whole vehicle, and a side ladder assembly (side ladder 83) is arranged at one side of the cab 50; the chassis is installed in the bottom of driver's cabin, and mobilizable above the chassis installs elevating gear, and elevating platform locates elevating gear's upper end, and under elevating gear's effect, elevating platform can be relative chassis up-and-down motion.
In one embodiment, a battery assembly 40 and a gas tank assembly 60 are disposed on one side of the chassis, wherein the battery assembly 40 provides power to electrical components (the motor hydraulic pump assembly 32 and the compressor assembly 91) of the entire vehicle, and the gas tank assembly 60 is used to adjust the speed and the like of the entire vehicle during driving. Hydraulic oil circuit unit 33, hydraulic oil tank subassembly 31, motor hydraulic pump subassembly 32, compressor unit spare 91, diesel tank subassembly 70 and electric cabinet 20 are installed to the opposite side on chassis, and wherein, hydraulic oil circuit unit 33, hydraulic oil tank subassembly 31, motor hydraulic pump subassembly 32 constitute the hydraulic system of whole car, control elevating gear's lift, and diesel tank subassembly 70 is used for providing drive power for going of whole car.
In one embodiment, the battery assembly 40 and the air tank assembly 60 are relatively large in weight and volume compared with other assemblies, the battery assembly 40 and the air tank assembly 60 are arranged on one side of the chassis, and the other assemblies are arranged on the other side of the chassis, so that the weight of two sides of the whole chassis can be effectively balanced, the gravity center of the whole chassis is ensured to be located on a longitudinal central shaft, and only the battery assembly 40 and the air tank assembly 60 are arranged on one side of the chassis, so that the battery assembly 40 has enough installation space, and charging is more convenient.
In addition, the hydraulic oil circuit unit 33 and the hydraulic oil tank assembly 31 are arranged in a centralized manner, so that the centralized arrangement of a hydraulic pipeline, the motor hydraulic pump assembly 32 and the compressor assembly 91 can be effectively simplified, and the wiring and the pipe routing and the maintenance and the debugging of an electrical system are facilitated.
The heat preservation carriage body (box body 80) is arranged at the upper end of the lifting device. The front end of the movable rain shed is provided with a four-way platform 81, and the front end of the top of the movable rain shed is provided with a movable rain shed 82. When the aviation food vehicle is in butt joint with an airplane, workers can enter the four-way platform 81 through the side ladder 83 to work, and goods in the heat-insulation compartment body are conveyed to the airplane. When the rain is rainy, the movable rain cover 82 extends out under the driving of the hydraulic oil cylinder to protect workers on the four-way platform 81.
In order to ensure the balance of the temperature in the heat preservation carriage body, the evaporator arranged at the center of the top of the outer side of the heat preservation carriage body is matched with the compressor assembly 91 for use, and the evaporator is arranged at the outer side of the heat preservation carriage body, so that the wiring of a circuit is facilitated.
The basic chassis keeps the basic composition of the original fuel oil chassis, and the power source of the original fuel oil chassis is improved to a certain extent, so that the discharge capacity is reduced to a certain extent, the structure of the aviation food vehicle is integrally kept, the basic modification of the aviation food vehicle is realized, and the problem that the modification of the aviation food vehicle in the prior art is difficult is solved.
And the internal combustion drive is adopted when the lift truck travels, the traveling speed of the truck can be ensured, the diesel tank is large in capacity and convenient to fill, and the cruising mileage of the lift truck can be effectively ensured. The battery pack provides power for a hydraulic system and air conditioning refrigeration, so that energy conservation and emission reduction can be reduced, and the policy of environmental protection and energy conservation is met. The layout of each subassembly of lift vehicle chassis is reasonable, can effectively solve the problem of battery installation difficulty.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.