Electric luggage tractor facilitating battery replacement

Abstract

The utility model belongs to the technical field of tractors, in particular to an electric luggage tractor convenient for battery replacement, which comprises a tractor body, a battery compartment and a compartment door capable of blocking or opening a port of the battery compartment are arranged on the outer wall of the middle of the tractor body, and more than one battery replacement battery is inserted in the battery compartment. And a quick-plug electric connection assembly which is electrically connected with the battery replacement battery and is used for assisting the battery replacement battery in supplying power to the tractor body is arranged in the battery compartment. According to the utility model, by reasonably designing the battery compartment and the compartment door structure, the battery replacing battery with saturated electric quantity and the battery replacing battery in the tractor body can be replaced only by opening the compartment door, and the replaced battery replacing battery can be charged in equipment outside the tractor body, so that the tractor body can be ensured to continuously work; the problems that charging wastes time and continuous operation cannot be carried out due to charging are effectively solved, and the operation efficiency of the tractor is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of towing vehicle, especially point to a kind of electric luggage towing vehicle of battery convenient to replace. BACKGROUND

[0002] The electric luggage towing vehicle disclosed in the existing Chinese utility model patent (authorized publication number CN205150011U) includes a vehicle frame, characterized in that the lower end of the vehicle frame is provided with front wheels, rear wheels, a front suspension system, an electric motor and an electric wheel rim, the upper end is provided with a battery pack, the rear end is provided with a towing bolt, and the front end is provided with a cab; the cab is provided with a hydraulic power steering assembly, a hydraulic power brake foot brake, a mechanical hand brake and a seat; the front wheel front suspension system is a steering system, and the upper end is connected to the hydraulic power steering assembly, the hydraulic power brake foot brake and the mechanical hand brake in the cab; the lower end is hingedly connected to the front wheel; the rear wheel is driven by the electric motor connected to the electric wheel rim; the battery pack is arranged in the middle of the vehicle frame; the upper end of the battery pack is covered with a cover plate; the upper end of the cover plate is provided with a guardrail around the periphery; the rear end of the cover plate is provided with an inclined surface; and a groove is arranged in the middle of the inclined surface.

[0003] That is, the existing electric luggage towing vehicle uses a battery pack and a motor to replace a traditional fuel engine to drive; the built-in battery pack provides power for the electric motor and other electrical equipment such as the electric wheel rim to realize the walking operation of the electric towing vehicle. Correspondingly, this means that the electric luggage towing vehicle needs to charge the built-in battery pack as needed, which not only requires sufficient charging time and is time-consuming, but also the electric luggage towing vehicle cannot continue to work during the charging process, which limits the working efficiency of the towing vehicle. SUMMARY

[0004] The utility model aims to provide a kind of electric luggage towing vehicle of battery convenient to replace, which is reasonably designed battery compartment and door structure, by the way of replacing battery swap, so that towing vehicle body cannot continue to work due to charging, effectively improve the working efficiency of towing vehicle.

[0005] The utility model is realized as follows:

[0006] A kind of electric luggage towing vehicle of battery convenient to replace, including towing vehicle body, battery compartment and door are arranged on the outer wall of the middle part of the towing vehicle body, and the port of battery compartment can be blocked or opened, more than one battery swap is inserted in battery compartment, and fast plug-in electrical coupling assembly is arranged in battery compartment and is electrically connected with battery swap to assist battery swap to power supply for towing vehicle body.

[0007] In the electrically powered luggage tractor with the battery convenient to replace, the front end of the tractor body is provided with a driver's cabin, the rear end is provided with a rear cabin, and a rear cabin cover is arranged at the rear cabin port.

[0008] In the electrically powered luggage tractor with the battery convenient to replace, the battery compartment is provided with two and is symmetrically distributed on the left and right sides of the tractor body.

[0009] In the electrically powered luggage tractor with the battery convenient to replace, one side of the tractor body directly below the battery compartment is provided with a starting battery and a steering motor, and the other side is provided with a radiator assembly for cooling the electrical equipment.

[0010] In the electrically powered luggage tractor with the battery convenient to replace, the battery compartment is arranged at the included angle between the top surface and the side wall of the tractor body, the door is in L-shaped structure and is arranged on the tractor body through gull-wing hinges, the free end of the door is relatively fixed with the tractor body through a lock buckle assembly, and the battery is inserted into or taken out of the battery compartment in the horizontal direction.

[0011] In the electrically powered luggage tractor with the battery convenient to replace, the inner wall surface of the door is hinged with a gas spring support rod between the tractor body.

[0012] In the electrically powered luggage tractor with the battery convenient to replace, the battery compartment is provided with a battery bracket, the battery bracket has more than one layer distributed in the vertical direction and is provided with a battery replacement frame for horizontally inserting the battery, the bottom surface of each battery replacement frame is provided with a roller assembly capable of rolling with the battery, and the two side walls of each battery replacement frame are provided with a guide assembly for guiding the battery to be horizontally inserted.

[0013] In the electrically powered luggage tractor with the battery convenient to replace, the quick plug electrical connection assembly comprises a quick plug slot arranged on the inner end surface of the battery and a positioning plug block arranged on the battery replacement frame and capable of being inserted into the quick plug slot, and the battery replacement frame on the two sides of the positioning plug block is provided with a line plug column for plugging and electrically connecting with the battery.

[0014] In the electrically powered luggage tractor with the battery convenient to replace, the tractor body is provided with a charging port, the charging port is electrically connected with the battery through a circuit assembly, and the battery in the tractor body is charged by an external power supply through the charging port.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The utility model discloses a battery position and the warehouse door structure are reasonably designed, only need to open the warehouse door and can replace the battery of electric quantity saturation with the battery of electric quantity in the tractor body, and the battery of electric quantity of replacement will be charged in the equipment outside the tractor body, and then ensure that the tractor body can carry out the continuous operation, effectively solve the problem of the time of charging fee and the problem of unable continuous operation because of charging, effectively improve the operation efficiency of tractor. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall perspective drawing of the utility model;

[0018] Figure 2 It is the overall sectional view of the utility model;

[0019] Figure 3 It is the battery bracket and the battery of electric quantity cooperation explosion drawing of the utility model.

[0020] In the drawing: 1, tractor body;2, warehouse door;3, battery of electric quantity;4, cab;5, rear hatch;6, starting battery;7, radiator assembly;8, battery bracket;9, roller assembly;10, guide assembly;11, quick plug slot;12, positioning plug;13, line plug column. DETAILED DESCRIPTION

[0021] The utility model will be further described in the specific embodiment, and see Figure 1 -3:

[0022] A kind of electric luggage tractor of battery convenient to replace, including tractor body 1, the middle part outer wall of the tractor body 1 is provided with battery position, and the warehouse door 2 that can be closed or opened to the port of battery position is inserted with more than one battery of electric quantity 3 in battery position, and battery position is provided with quick plug electrical coupling assembly for assisting battery of electric quantity 3 with the electrical coupling of battery of electric quantity 3 for the power supply of tractor body 1.

[0023] The utility model discloses a battery position and the warehouse door 2 structure are reasonably designed, only need to open the warehouse door 2 and can replace the battery of electric quantity 3 with the battery of electric quantity 3 in the tractor body 1 of electric quantity saturation, and the battery of electric quantity 3 of replacement will be charged in the equipment outside the tractor body 1, and then ensure that the tractor body 1 can carry out the continuous operation, effectively solve the problem of the time of charging fee and the problem of unable continuous operation because of charging, effectively improve the operation efficiency of tractor.

[0024] In the embodiment, the battery compartment is arranged between the cab 4 and the rear compartment of the tractor body 1. The electrical equipment can be one or more of the following: a multi-in-one control assembly, a battery terminal box, an expansion tank, and a steering hydraulic oil tank.

[0025] In order to increase the number of battery replacement batteries 3 that can be installed in the tractor body 1, the battery compartment is arranged on both left and right sides of the tractor body 1. In the embodiment, two battery replacement batteries 3 can be inserted into each battery compartment. Of course, the number of battery replacement batteries 3 that can be installed can be determined according to the actual requirements of the tractor for endurance and output power.

[0026] Further, the positions of the battery compartment and other electrical components in the tractor body 1 are reasonably optimized. The starting battery 6 and the steering motor are arranged on one side of the tractor body 1 below the battery compartment, and the radiator assembly 7 for cooling the electrical equipment is arranged on the other side.

[0027] In the embodiment, in order to facilitate the opening of the door 2 and avoid the door 2 from colliding with the body of the tractor body 1 when the door 2 is opened, the battery compartment is arranged at the angle between the top surface and the side wall of the tractor body 1. The door 2 has an L-shaped structure and is hinged to the tractor body 1 in a gull-wing manner. The free end of the door 2 is relatively fixed to the tractor body 1 by a lock catch assembly, and the battery replacement battery 3 is inserted into or extracted from the battery compartment in a horizontal direction. The lock catch assembly can be a common door lock assembly on the market. The L-shaped design of the door 2 also allows the port of the battery compartment to have a larger space for the horizontal insertion or extraction of the battery replacement battery 3, and provides sufficient maintenance operation space during later maintenance.

[0028] In order to avoid the door 2 from falling down due to gravity when it is opened in a gull-wing manner, thereby interfering with the insertion or extraction of the battery replacement battery 3, a gas spring stay is hinged between the inner wall of the door 2 and the tractor body 1.

[0029] In order to enable the battery replacement battery 3 to be stably plugged in the battery compartment, the battery compartment is provided with a battery bracket 8, the battery bracket 8 has one or more than one vertical distribution of the battery replacement frame, the bottom surface of each battery replacement frame is provided with a roller assembly 9 capable of rolling with the battery replacement battery 3, and the two side walls of each battery replacement frame are provided with a guide assembly 10 capable of guiding the horizontal insertion of the battery replacement battery 3. The roller assembly 9 can be a plurality of roller shafts rotatably matched on the battery bracket 8, and the guide assembly 10 can be a guide rail provided on the corresponding side wall of the battery replacement frame and a guide wheel rotatably matched on the guide rail.

[0030] Meanwhile, in the embodiment, the battery compartment is provided with two symmetrical structures on the left and right, and the battery replacement frame in the two battery compartments adopts an integrated and symmetrical structure design (see the accompanying drawings Figure 2 and Figure 3 ).

[0031] Further, the quick plug electrical connection assembly includes a quick plug slot 11 provided on the inner end face of the battery replacement battery 3, and a positioning plug 12 provided on the battery replacement frame and capable of being inserted into the quick plug slot 11, and the battery replacement frame on both sides of the positioning plug 12 is provided with a line plug column 13 for plugging and electrically connecting with the battery replacement battery 3.

[0032] In addition, in order to enable the battery replacement electric vehicle in the traction vehicle body 1 to be charged in an emergency when there is no other replaceable battery replacement battery 3, the traction vehicle body 1 is provided with a charging port, the charging port is electrically connected with the battery replacement battery 3 through a circuit assembly, and the battery replacement battery 3 in the traction vehicle body 1 is charged by an external power supply through the charging port.

[0033] The above embodiment is only one of the preferred embodiments of the present application, and does not limit the scope of the present application, so: any equivalent changes made according to the shape, structure and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A motorized luggage dolly for facilitating battery replacement, comprising a dolly body (1), characterized in that: The middle outer wall of the tractor body (1) is provided with a battery compartment, a compartment door (2) capable of plugging or opening the battery compartment port, one or more battery replacement batteries (3) inserted in the battery compartment, and a quick plug electrical coupling assembly electrically coupled with the battery replacement batteries (3) for assisting the battery replacement batteries (3) to power the tractor body (1).

2. The electric luggage tractor with easy battery replacement according to claim 1, characterized in that: The front end of the tractor body (1) is provided with a cab (4), the rear end is provided with a rear compartment, and a rear compartment cover (5) is arranged at the rear compartment port. The rear compartment is provided with electrical equipment, and the battery compartment is arranged between the cab (4) and the rear compartment.

3. The electrically powered luggage dolly of claim 1, wherein: The battery compartment is provided with two and is symmetrically distributed on the left and right sides of the tractor body (1).

4. The electrically powered luggage dolly of claim 2, wherein: The side of the tractor body (1) directly below the battery compartment is provided with a starting battery (6) and a steering motor, and the other side is provided with a radiator assembly (7) for cooling electrical equipment.

5. The electrically powered luggage dolly of any one of claims 1, 2 or 3, wherein: The battery compartment is arranged at the included angle between the top surface and the side wall of the tractor body (1), the compartment door (2) is in a gull-wing type hinge on the tractor body (1), the free end of the compartment door (2) and the tractor body (1) are relatively fixed by a lock catch assembly, and the battery replacement battery (3) is inserted into or extracted from the battery compartment in the horizontal direction.

6. The electrically powered luggage dolly of claim 5, wherein: The inner wall surface of the compartment door (2) is hinged with a gas spring strut between the tractor body (1).

7. The electrically powered luggage dolly of claim 5, wherein: The battery compartment is provided with a battery bracket (8), the battery bracket (8) has one or more layers distributed in the vertical direction and is provided with a battery replacement frame for horizontal insertion of the battery replacement battery (3). The bottom surface of each battery replacement frame is provided with a roller assembly (9) capable of rolling with the battery replacement battery (3), and the two side walls of each battery replacement frame are provided with a guide assembly (10) for guiding the horizontal insertion of the battery replacement battery (3).

8. The electrically powered luggage dolly of claim 7, wherein: The quick plug electrical coupling assembly includes a quick plug slot (11) provided on the inner end surface of the battery replacement battery (3), and a positioning plug (12) provided on the battery replacement frame and capable of being inserted into the quick plug slot (11). The battery replacement frame on both sides of the positioning plug (12) is provided with a line plug column (13) for plugging and electrically connecting with the battery replacement battery (3).

9. The electrically powered luggage dolly of claim 1, wherein: The tractor body (1) is provided with a charging port, which is electrically connected with the battery replacement battery (3) through a circuit assembly, and the battery replacement battery (3) in the tractor body (1) is charged by an external power supply through the charging port.

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