Electric food cart system and method thereof
阅读说明：本技术 电动食品车系统及其方法 (Electric food cart system and method thereof ) 是由 郑岳 廖毅飞 董中进 阎浩 于 2019-10-30 设计创作，主要内容包括：一种电动食品车系统及其方法,包括底盘以及上装部件,所述底盘与上装部件通过叉架相连接,所述上装部件包括一个食品车的厢体以及设置于所述厢体一侧的四向平台,在底盘的中间部位设有驱动电机,驱动电机的输出轴与后轮驱动连接；所述驱动电机的输出轴与后轮驱动连接的结构为：所述后轮套接在转轴上,所述驱动电机的输出轴通过联轴器装置与所述转轴轴连接；所述联轴器装置包括一对套环、一对外表面上开有外丝口的丝杆与一对加固罩。结合其它结构或方法有效避免了现有技术中联轴器在这样频繁的变速调速下产生的弯矩或转矩作用下常使得联轴器与输出轴和转轴之间的相连部位就会发生变形或脆裂、影响航空食品车的安全行驶的缺陷。(An electric food car system and a method thereof comprise a chassis and an upper assembly part, wherein the chassis is connected with the upper assembly part through a fork frame, the upper assembly part comprises a box body of a food car and a four-way platform arranged on one side of the box body, a driving motor is arranged in the middle of the chassis, and an output shaft of the driving motor is in driving connection with a rear wheel; the structure that the output shaft of driving motor and rear wheel drive are connected does: the rear wheel is sleeved on the rotating shaft, and an output shaft of the driving motor is connected with the rotating shaft through a coupling device; the coupling device comprises a pair of lantern rings, a pair of screw rods with external screw openings formed in the outer surfaces, and a pair of reinforcing covers. The defects that in the prior art, the connection part between the coupler and the output shaft and the rotating shaft is deformed or cracked to influence the safe running of the aviation food vehicle under the action of bending moment or torque generated by frequent speed change and speed regulation of the coupler in combination with other structures or methods are effectively overcome.)
1. An electric food cart system comprises a chassis and an upper mounting component, wherein the chassis is connected with the upper mounting component through a fork frame, and the upper mounting component comprises a box body of a food cart and a four-way platform arranged on one side of the box body;
the food cart is characterized in that the food cart is an electric-driven vehicle.
2. The electric food cart system of claim 1, wherein the food cart is provided with a solar panel on the front hood and the door, the solar panel is connected with a storage battery arranged on the chassis through a lead, and the storage battery and the driving motor are in control connection through a charging control system and a driving control system;
a driving motor is arranged in the middle of the chassis, and an output shaft of the driving motor is in driving connection with the rear wheel;
the structure that the output shaft of driving motor and rear wheel drive are connected does:
the rear wheel is sleeved on the rotating shaft, and an output shaft of the driving motor is connected with the rotating shaft through a coupling device;
the coupling device comprises a pair of lantern rings, a pair of screw rods with external screw openings formed on the outer surfaces, and a pair of reinforcing covers;
the pair of lantern rings are respectively and correspondingly sleeved on the outer surfaces of the output shaft of the driving motor and the rotating shaft which are distributed oppositely, so that the output shaft of the driving motor is connected with the rotating shaft.
3. The electric food cart system of claim 2 wherein said pair of collars are joined together, said pair of collars being secured along a direction parallel to a centerline of said collars by a pair of threaded rods having external threads on their outer surfaces;
the pair of lantern rings all constitute through first external member and second external member, each one end of first external member all is via the hinge pin joint with one end of corresponding second external member, each one end of first external member all is equipped with first connector, each one end of second external member all is equipped with the second connector, each all via the hinge pin joint between first connector and the corresponding second connector, each another end of first external member and the another end joint of corresponding second external member, and link firmly along with the direction that the central line is parallel via tight screw that rises.
4. The system of claim 3, wherein the other end of each of the first sleeve members is provided with a third coupling member having a through hole with an internal screw hole formed in an inner surface thereof, the other end of each of the second sleeve members is provided with a fourth coupling member having a through hole with an internal screw hole formed in an inner surface thereof and a locking hole formed therein, and each of the fourth coupling members is locked to the corresponding third coupling member and is engaged with the fourth coupling member by a tightening screw so that the third coupling member and the fourth coupling member are fixedly coupled in a direction parallel to the center line.
5. The electric food cart system of claim 3, wherein the outer surface of each of the first sleeve member and the corresponding second sleeve member is provided with a plurality of first limiting openings for limiting the position of the outer surface of the first sleeve member and the corresponding second sleeve member in a direction towards the center of the first sleeve member and the center of the second sleeve member, and the end walls of the edge portions of each of the first sleeve member and the corresponding second sleeve member are provided with protruding ring-shaped bodies with the same radian.
6. The electric food cart system of claim 5, wherein the outer surface of each raised ring is provided with a plurality of second limiting openings for limiting in a direction towards the center of the ring, and the end walls of each first sleeve member and the corresponding second sleeve member are provided with first through openings having inner threads on the inner surfaces in a direction parallel to the center line.
7. The electric food cart system of claim 5, wherein a pair of reinforcing covers are fastened between the pair of collars, a plurality of limiting protrusions are arranged on the inner surfaces of the reinforcing covers in a direction towards the center or the center of the reinforcing covers, the limiting protrusions are fastened with the corresponding first limiting opening and the corresponding second limiting opening for limiting, and a second through opening with an internal thread opening is arranged on the inner surface of each reinforcing cover in a direction parallel to the center line.
8. The electric food cart system of claim 5 wherein each of said second through openings having an internal threaded opening on an inner surface thereof is threadably connected to a corresponding first through opening having an internal threaded opening on an inner surface thereof via a threaded rod having an external threaded opening on an outer surface thereof.
9. The electric food cart system of claim 5, wherein a fan-ring-shaped snap-in interface is provided on an inner side end wall of one of said collars, and a fan-ring-shaped snap-in connector is provided on an inner side end wall of the other of said collars, said fan-ring-shaped snap-in connector and fan-ring-shaped snap-in interface being snap-in connected;
a plurality of plastic sheets for increasing friction are fixedly connected to the inner surfaces of the first sleeve and the second sleeve;
the outer surfaces of the pair of lantern rings are hot-dipped with hot-dip galvanized layers;
and a charging control system and a driving control system are arranged in the front cabin of the food vehicle.
The upper mounting component and the chassis are respectively provided with a first hydraulic system and a second hydraulic system which are independent of each other;
the first hydraulic system is used for driving the upper assembly part to move so as to align a cabin door of the airplane; the second hydraulic system is used for supporting the chassis and driving the fork frame to ascend and descend.
10. A method of an electric food cart system, comprising:
when the coupling device is used, the output shaft of the driving motor and the rotating shaft are kept at the same central line and are arranged, the pair of lantern rings are respectively sleeved on the outer surface of the output shaft of the driving motor and the outer surface of the rotating shaft, the pair of lantern rings are arranged side by side and stand up, the tensioning screws are screwed firmly in sequence, the pair of reinforcing covers are sequentially covered and screwed into the screw rod with the external screw hole formed in the outer surface, and therefore the corresponding lantern rings are fixed firmly, and the outer surface of the output shaft of the driving motor and the rotating shaft are connected firmly and stably.
Technical Field
The invention relates to the technical field of electromotion, and also relates to the technical field of food carts, in particular to an electric food cart system and a method thereof.
Background
With the development of society, the pace of life of people is accelerated rapidly, the eating time is short, the packaging and taking away become the current mainstream, fast food becomes a fast and convenient eating mode, and fixed restaurants are full at fixed eating time, so that the eating time of people is greatly influenced. The food cart greatly overcomes the defects of fixed shops and spreading points, and can provide the service of delivering food nearby for consumers.
The food vehicle is an aviation food vehicle applied in the field of airports, belongs to a special vehicle for airports and is specially used for catering of passenger planes. The aviation food vehicle comprises a chassis and an upper assembly part, wherein the upper assembly part comprises a compartment body for storing food and a four-way platform arranged on one side of the compartment body. The chassis is connected with the upper assembly part through a fork frame, and a hydraulic cylinder arranged on the chassis can drive the fork frame to ascend so that the upper assembly part is close to a cabin door of the airplane to convey food to the airplane.
However, the existing aviation food vehicle generally uses gasoline as a driving device of driving energy, and the operation of the driving device using gasoline as driving energy can cause serious air pollution of sulfur compounds and nitrogen oxides, which is not environment-friendly.
Therefore, an environment-friendly driving device for an aviation food vehicle is needed, and generally, the driving device needs to drive wheels of the aviation food vehicle to rotate, an output shaft of the driving device is often connected with a rotating shaft sleeved with the wheels through a coupler, so that the driving device can pull the rotating shaft through the output shaft to rotate the wheels, but because the aviation food vehicle often needs to change speed and adjust speed, and under the action of bending moment or torque generated by the conventional coupler under frequent speed and change speed, the connecting part between the coupler and the output shaft and the rotating shaft is often deformed or brittle after a long time, so that the safe running of the aviation food vehicle is influenced.
Disclosure of Invention
In order to solve the problems, the invention provides an electric food cart system and a method thereof, which effectively overcome the defect that the connection part between a coupler and an output shaft and a rotating shaft is deformed or cracked to influence the safe running of an aviation food cart under the action of bending moment or torque generated by frequent speed change and speed regulation of the coupler in the prior art.
In order to overcome the defects in the prior art, the invention provides a solution for an electric food cart system and a method thereof, which comprises the following steps:
an electric food cart system comprises a chassis A and an upper mounting component, wherein the chassis A is connected with the upper mounting component through a fork frame B, and the upper mounting component comprises a box body C of a food cart and a four-way platform D arranged on one side of the box body C;
the food cart is an electrically driven vehicle.
The food cart is characterized in that solar panels are arranged on a front engine room cover and a cart door of the food cart, the solar panels are connected with a storage battery arranged on a chassis through wires, and the storage battery and a driving motor are in control connection through a charging control system and a driving control system;
a driving motor is arranged in the middle of the chassis, and an output shaft of the driving motor is in driving connection with the rear wheel;
the structure that the output shaft of driving motor and rear wheel drive are connected does:
the rear wheel is sleeved on the rotating shaft, and an output shaft of the driving motor is connected with the rotating shaft through a coupling device;
the coupling device comprises a pair of lantern rings 2, a pair of screw rods 3 with external screw openings on the outer surfaces and a pair of reinforcing covers 4;
the pair of lantern rings 2 are respectively and correspondingly sleeved on the outer surfaces of the output shaft of the driving motor and the rotating shaft which are distributed oppositely, so that the output shaft of the driving motor is connected with the rotating shaft;
the pair of lantern rings 2 are spliced, and the pair of lantern rings 2 are fixedly connected along a direction parallel to the central line of the lantern rings 2 through a pair of screw rods 3 with external screw openings on the outer surfaces;
the pair of lantern rings 2 are composed of a
Each another head of the first
A plurality of first limiting
A plurality of second limiting
A pair of reinforcing covers 4 are fastened between the pair of lantern rings 2, a plurality of limiting protrusions 402 are arranged on the inner surfaces of the reinforcing covers 4 according to the direction pointing to the circle centers or the centers of the reinforcing covers, the limiting protrusions 402 are fastened with corresponding first limiting
The second through hole 403 with an internal screw hole on the inner surface is screwed with the corresponding first through
The end wall of the inner side of one of the lantern rings 2 is provided with a fan-shaped annular clamping interface 2021, the end wall of the inner side of the other lantern ring 2 is provided with a fan-shaped
The inner surfaces of the first and
The outer surfaces of the pair of lantern rings 2 are hot-dipped with hot-dip galvanized layers.
And a charging control system and a driving control system are arranged in the front cabin E of the food vehicle.
The upper mounting component and the chassis are respectively provided with a first hydraulic system and a second hydraulic system which are independent of each other;
the first hydraulic system is used for driving the upper assembly part to move so as to align a cabin door of the airplane; the second hydraulic system is used for supporting the chassis and driving the fork frame to ascend and descend.
The method of the electric food cart system comprises:
when the coupling device is used, the output shaft and the rotating shaft of the driving motor are kept at the same central line and are arranged, the pair of lantern rings 2 are respectively sleeved on the outer surface of the output shaft of the driving motor and the outer surface of the rotating shaft, the pair of lantern rings 2 are arranged side by side and stand up, the tensioning screws 205 are screwed firmly in sequence, the pair of reinforcing covers 4 are sequentially covered and screwed into the screw rod 3 with the outer screw hole on the outer surface, and therefore the corresponding lantern rings 2 are fixed firmly, and the outer surface of the output shaft of the driving motor is firmly and stably connected with the rotating shaft.
The invention has the beneficial effects that:
in a word, the coupler device is not complex in structure and convenient to execute, the size of the area, connected with the coupler device, of the output shaft and the rotating shaft of the driving motor is increased, the whole structure is more suitable for shaft connection, the connected structure is firmer, the probability of deformation or brittle fracture among the coupler, the output shaft and the rotating shaft is reduced, and the safety of safe driving of the aviation food vehicle is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the electric food cart system of the present invention.
Fig. 2 is a shaft coupling structure diagram of the coupling device of the present invention.
Fig. 3 is a partial structural view of the coupling device of the present invention.
Fig. 4 is a partial block diagram of a collar of the coupling device of the present invention.
Fig. 5 is a partial block diagram of another collar of the coupling device of the present invention.
Fig. 6 is a partial structural view of a reinforcing cover of the coupling device of the present invention.
Detailed Description
The invention will be further described with reference to the following figures and examples.
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