Heavy electric flat car based on lithium battery driving

Abstract

The utility model relates to the technical field of transportation tools, in particular to a heavy electric flat car based on lithium battery driving, which comprises a flat plate main body and a protective cover, an inner groove is arranged at the bottom of the flat plate main body, mounting plates are arranged at two ends of the bottom of the inner groove, and a limiting frame is arranged at the middle end of the bottom of the inner groove. A lithium battery pack is embedded in the inner side of the limiting frame, a guide wheel is mounted at the bottom of the mounting plate on the front side, a driving mechanism is mounted on the bottom side of the mounting plate at the other end, a protective cover is embedded in the bottom of the lithium battery pack, heat dissipation grooves are formed in the bottom of the protective cover, and positioning plates are arranged on the two sides of the bottom of the protective cover; a side plate is vertically mounted on the outer side of the positioning plate; the problems that in the prior art, when an existing electric flat car is used, a battery providing a driving source is limited by the occupied volume and is prone to being damaged, when the battery is replaced, the flat car usually needs to be turned over, and the using process is inconvenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of transportation tools, in particular to a heavy-duty electric flatbed truck based on lithium battery drive. Background Technique

[0002] With the rapid development of the social economy and the continuous improvement of the national income, people's requirements for the material living standard have been further improved, which has promoted the further acceleration of the speed of commodity circulation and turnover; this has directly led to the further improvement of the requirements for short-distance transportation tools by the logistics and warehousing departments engaged in commodity circulation and turnover.

[0003] When the existing electric flatbed truck is in use, the battery providing the driving source is restricted by the occupied volume and is prone to damage. When replacing the battery, the flatbed truck usually needs to be turned over, and the use process is relatively inconvenient.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a heavy-duty electric flatbed truck based on lithium battery drive is proposed, in order to achieve a more practical and valuable purpose. Content of the Utility Model

[0005] The purpose of the utility model is to provide a heavy-duty electric flatbed truck based on lithium battery drive to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A heavy-duty electric flatbed truck based on lithium battery drive, including a flatbed main body and a protective cover. An inner groove is opened at the bottom of the flatbed main body, and mounting plates are arranged at both ends of the bottom of the inner groove. A limiting frame is arranged in the middle of the bottom of the inner groove. A lithium battery pack is embedded in the inner side of the limiting frame. A guiding wheel is installed at the bottom of the front mounting plate, and a driving mechanism is installed at the bottom side of the other mounting plate. The protective cover is embedded and installed at the bottom of the lithium battery pack. Heat dissipation grooves are arranged in a row at the bottom of the protective cover, positioning plates are arranged on both sides of the bottom of the protective cover, and side plates are vertically installed on the outer sides of the positioning plates.

[0007] Further, a fitting sliding structure is formed between the side plate and the flatbed main body, and the protective cover is mutually fitted with the limiting frame through the positioning plate in terms of size.

[0008] Further, a positioning seat is arranged at one end of the top of the flatbed main body, a handrail is installed on one side of the top of the positioning seat, and an opening and closing control panel is arranged at one end of the top of the handrail.

[0009] Further, anti-slip protrusions are arranged in a row on the top wall of the flatbed main body.

[0010] Furthermore, the driving mechanism includes a protective plate, a transmission rod, a driving wheel, a belt pulley, a driving motor and a connection wire harness. The transmission rod is movably installed inside the protective plate, and driving wheels are sleeved on both ends of the outer wall of the transmission rod. A belt pulley is installed on one side of the outer wall of the transmission rod, and the other end of the belt pulley is drivingly installed with a driving motor. The outside of the driving motor is electrically connected with a connection wire harness, and the connection wire harness is electrically connected with the lithium battery pack.

[0011] Furthermore, the transmission rod and the driving motor constitute a motor drive structure through the belt pulley, and the belt pulley, the driving wheel and the transmission rod are axially connected;

[0012] Furthermore, the side plate can slide up and down along the outside of the flat plate body.

[0013] The utility model provides a heavy-duty electric flat car based on lithium battery drive, which has the following beneficial effects:

[0014] 1. In the utility model, the flat plate body adopts a large-frame structure, and the bottom is set as a concave structure, so that the lithium battery pack can be hidden at the bottom for embedding, and the whole is protected by a protective cover to avoid scratching of the lithium battery pack during operation;

[0015] On the outside of the protective cover, there is a side plate. The fixing bolts on the side plate can be loosened, so that the whole drives the lithium battery pack to slide down, so as to disengage from the inner groove of the flat plate body, and the lithium battery pack can be taken out and replaced from the side end.

[0016] 2. In the utility model, the electric flat car adopts a rear-wheel drive transmission method, and the front end uses a guide wheel to control the moving position. With the driving motor as a mechanical transmission part, based on the power supply of the lithium battery pack, the movement of the whole electric flat car is ensured to be stable and steady. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Referring to the accompanying drawings, the disclosure of the utility model will become more understandable. It is easy for those skilled in the art to understand that these drawings are only used to illustrate the technical solutions of the utility model and are not intended to limit the protection scope of the utility model. In the drawings:

[0018] Figure 1 is a front view structural diagram of a heavy-duty electric flat car based on lithium battery drive of the utility model;

[0019] Figure 2 is a bottom view structural diagram of the flat plate body of a heavy-duty electric flat car based on lithium battery drive of the utility model;

[0020] Figure 3 is a top view structural diagram of the protective cover of a heavy-duty electric flat car based on lithium battery drive of the utility model.

[0021] In the figure: 1, flat plate body; 101, inner groove; 102, mounting plate; 103, limiting frame; 2, positioning seat; 3, guide wheel; 4, lithium battery pack; 5, protective cover; 501, heat dissipation groove; 502, positioning plate; 503, side plate; 6, anti-slip protrusion; 7, driving mechanism; 701, protective plate; 702, transmission rod; 703, driving wheel; 704, belt pulley; 705, driving motor; 706, connecting wire harness; 8, handrail; 9, opening and closing control panel. Specific implementation manners

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1 - 3, the present utility model provides a technical solution: a heavy-duty electric flatbed truck based on lithium battery drive, including a flatbed main body 1 and a protective cover 5. An inner groove 101 is opened at the bottom of the flatbed main body 1, and mounting plates 102 are provided at both ends of the bottom of the inner groove 101. A limiting frame 103 is provided in the middle of the bottom of the inner groove 101. A lithium battery pack 4 is embedded inside the limiting frame 103. A guiding wheel 3 is installed at the bottom of the front mounting plate 102, and a driving mechanism 7 is installed at the bottom side of the other mounting plate 102. A protective cover 5 is embedded and installed at the bottom of the lithium battery pack 4. Heat dissipation slots 501 are arranged in a row at the bottom of the protective cover 5, and positioning plates 502 are provided on both sides of the bottom of the protective cover 5. Side plates 503 are vertically installed on the outer sides of the positioning plates 502; A fitting sliding structure is formed between the side plates 503 and the flatbed main body 1, and the protective cover 5 is mutually fitted with the limiting frame 103 through the positioning plates 502 in terms of size; A positioning seat 2 is provided at one end of the top of the flatbed main body 1, a handrail 8 is installed on one side of the top of the positioning seat 2, and an opening and closing control panel 9 is provided at one end of the top of the handrail 8; Anti-slip protrusions 6 are arranged in a row on the top wall of the flatbed main body 1; The driving mechanism 7 includes a protective plate 701, a transmission rod 702, a driving wheel 703, a transmission belt pulley 704, a driving motor 705, and a connection wire harness 706. The transmission rod 702 is movably installed inside the protective plate 701, and driving wheels 703 are sleeved at both ends of the outer wall of the transmission rod 702. A transmission belt pulley 704 is installed on one side of the outer wall of the transmission rod 702, and a driving motor 705 is installed at the other end of the transmission belt pulley 704 through transmission. The outer side of the driving motor 705 is electrically connected to a connection wire harness 706, and the connection wire harness 706 is electrically connected to the lithium battery pack 4; The transmission rod 702 forms a motor transmission structure with the driving motor 705 through the transmission belt pulley 704, and the transmission belt pulley 704, the driving wheel 703, and the transmission rod 702 are axially connected;

[0024] Further, the side plates 503 can slide up and down along the outside of the flatbed main body 1;

[0025] The flatbed main body 1 adopts a large-frame structure, and the bottom is set as a concave structure, so that the lithium battery pack 4 can be hidden at the bottom for embedding, and the protective cover 5 is used to protect the whole of it, avoiding the lithium battery pack 4 from being scratched during operation;

[0026] On the outside of the protective cover 5, there are side plates 503. The fixing bolts on the side plates 503 can be loosened, so that the whole drives the lithium battery pack 4 to slide down, so as to disengage from the inner groove 101 of the flatbed main body 1, and the lithium battery pack 4 can be taken out and replaced from the side end;

[0027] The electric flatbed truck adopts a rear-wheel drive transmission method, and the front end uses the guiding wheel 3 to control the moving position. Taking the driving motor 705 as a mechanical transmission part, based on the power supply of the lithium battery pack 4, the movement of the whole electric flatbed truck is ensured to be stable and steady.

[0028] Through the opening and closing control panel 9 on the handrail 8, the start of the rear drive motor 705 is controlled, and power is provided by the lithium battery pack 4, so that the drive motor 705 drives the belt pulley 704 to rotate, drives the inner transmission rod 702 to rotate, and then drives the drive wheels 703 on both sides to rotate, enabling the electric flatbed truck to move.

[0029] When it is necessary to replace the lithium battery pack 4 of the internal electric flatbed truck, the bolts on the outer side plate 503 of the protective cover 5 can be removed, and the side plate 503 can be loosened to make the side plate 503 break away from the restriction of the bolts and gradually move downward, driving the lithium battery pack 4 to slide down. Then, the connection end of the lithium battery pack 4 and the connection wire harness 706 can be separated, and then the lithium battery pack 4 can be taken out from the side end for replacement.

[0030] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be thought of by those skilled in the art within the technical scope disclosed by the present utility model without creative labor should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. A heavy-duty electric flatbed vehicle driven by lithium battery, comprising a flatbed body (1) and a protective cover (5), characterized in that: The bottom of the flat plate body (1) is provided with an inner groove (101), and mounting plates (102) are arranged at both ends of the bottom of the inner groove (101), and a limit frame (103) is arranged at the middle end of the bottom of the inner groove (101), and a lithium battery pack (4) is embedded in the inner side of the limit frame (103), a guide wheel (3) is installed at the bottom of the mounting plate (102) at the front side, and a driving mechanism (7) is installed at the bottom of the mounting plate (102) at the other end, and a protective cover (5) is embedded and installed at the bottom of the lithium battery pack (4), and heat dissipation grooves (501) are arranged at the bottom of the protective cover (5), and positioning plates (502) are arranged on both sides of the bottom of the protective cover (5), and side plates (503) are vertically installed on the outer side of the positioning plate (502).

2. A heavy-duty electric flatbed vehicle driven by lithium battery according to claim 1, characterized in that: An interlocking sliding structure is formed between the side plate (503) and the flat plate body (1), and the protective cover (5) is interlocked with each other through the size of the positioning plate (502) and the limiting frame (103).

3. A heavy-duty electric flatbed vehicle driven by lithium battery according to claim 1, characterized in that: A positioning seat (2) is provided at one end of the top of the flat plate body (1), a hand grip (8) is installed on one side of the top of the positioning seat (2), and an opening and closing control panel (9) is provided at one end of the top of the hand grip (8).

4. A heavy-duty electric flatbed vehicle driven by lithium battery according to claim 1, characterized in that: The top wall of the flat plate body (1) is provided with anti-slip protrusions (6).

5. A heavy-duty electric flatbed vehicle driven by lithium battery according to claim 1, characterized in that: The driving mechanism (7) comprises a protective plate (701), a transmission rod (702), a driving wheel (703), a transmission pulley (704), a driving motor (705) and a connecting wire harness (706); a transmission rod (702) is movably mounted on the inner side of the protective plate (701), and driving wheels (703) are sleeved on both ends of the outer wall of the transmission rod (702); a transmission pulley (704) is mounted on one side of the outer wall of the transmission rod (702), and a driving motor (705) is transmission-mounted on the other end of the transmission pulley (704); a connecting wire harness (706) is electrically connected to the outer side of the driving motor (705), and the connecting wire harness (706) and the lithium battery pack (4) are electrically connected.

6. A heavy-duty electric flatbed vehicle driven by lithium battery according to claim 5, characterized in that: The transmission rod (702) forms a motor transmission structure through a transmission pulley (704) and a driving motor (705), and the transmission pulley (704), the driving wheel (703) and the transmission rod (702) are axially connected.

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