Transport vehicle battery replacing structure

Abstract

The utility model discloses a transport vehicle battery replacing structure which comprises a battery replacing bin body, the battery replacing bin body is arranged on a vehicle frame main beam, battery bins are arranged on the two sides of the battery replacing bin body, battery packs are placed in the battery bins, battery replacing side doors are arranged at bin openings of the battery bins, and a plurality of anti-collision reinforcing ribs are arranged on the inner sides of the battery replacing side doors. The inner sides of the reinforcing ribs right face the supporting beam body of the battery replacing bin body, the inner side of the battery replacing side door is provided with a buffering pad corresponding to the battery bin chamber, after the battery replacing side door is opened, a battery pack in a sub-bin in the battery bin chamber is replaced, convenient battery replacing of the transport vehicle is achieved, and meanwhile the anti-collision reinforcing ribs are matched with the supporting beam body to play a role in protecting the battery pack.

Description

Technical Field

[0001] The utility model relates to the technical field of transport vehicles, and in particular to a battery replacement structure for a transport vehicle. Background Art

[0002] With the progress and development of the new energy industry, transport vehicles are being used more and more widely, battery capacity requirements are becoming higher and higher, and battery pack size and weight are also increasing. The problem that follows is that the charging time is long, which is not convenient for meeting the production needs of long-term work. Therefore, the use of battery replacement to improve the time of transport vehicles has received widespread attention in the field. In the existing technology, such as the patent including an automatic guided transport vehicle body, a battery compartment and a battery, the battery compartment is fixedly installed at the lower end of the automatic guided transport vehicle body, and a horizontal plate mechanism is provided on the automatic guided transport vehicle body for facilitating the replacement of the battery. The user can directly replace the battery, and the operation is quick and convenient, which can realize the rapid disassembly and replacement of the battery, but the battery compartment anti-collision protection structure is not provided, which is not conducive to improving the safety of the battery pack in the battery compartment. Utility Model Content

[0003] The purpose of the present invention is to overcome the above-mentioned defects or problems existing in the background technology and provide a battery replacement structure for a transport vehicle.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A battery exchange structure for a transport vehicle includes a battery exchange compartment body, which is arranged on the main beam of the vehicle frame. Battery compartments are provided on both sides of the battery exchange compartment body. Battery packs are placed in the battery compartments. A battery exchange side door is provided at the compartment opening of the battery compartment. Several anti-collision reinforcement ribs are provided on the inner side of the battery exchange side door. The inner side of the reinforcement ribs faces the supporting beam of the battery exchange compartment body. A buffer pad is provided on the inner side of the battery exchange side door corresponding to the battery compartment.

[0006] In certain embodiments of the present invention, the battery-exchanging side door includes a door panel, which can be rotated to open. The door panel is installed on the main beam of the frame through a hinge, and a limiter is installed on the inside of the door panel to limit the opening angle of the door panel.

[0007] In certain embodiments of the present invention, the battery exchange compartment is locked to the main beam of the frame by bolts, the door panel is provided with a pull rod lock device, the main beam of the frame is installed with a limiting support plate through a locking bracket, and the limiting support plate is provided with a lock body corresponding to the pull rod lock device.

[0008] In certain embodiments of the present invention, the battery compartment is divided into a plurality of sub-compartments by a partition support plate, which is bolted to the battery compartment. Buffer strips are correspondingly arranged on the inner sidewall of the battery compartment and the partition support plate.

[0009] In certain embodiments of the present invention, the partition support plate is arranged vertically, the anti-collision reinforcement ribs are arranged horizontally on the inner side of the battery-exchange side door, and a reserved gap is set between the anti-collision reinforcement ribs and the partition support plate.

[0010] In certain embodiments of the present invention, the battery compartment is provided with a spring pad device for limiting the battery pack in the up and down directions within the battery compartment, and the rear side wall within the battery compartment is provided with a lateral limiting portion for limiting the battery pack.

[0011] In certain embodiments of the present invention, the spring washer device includes a gasket with a U-shaped cross-section, an elastic pad layer is arranged on the side of the gasket facing the battery pack, the lateral limiting portion is included in the positioning protrusion, and the battery pack is concavely provided with a lateral positioning groove corresponding to the positioning protrusion.

[0012] In certain embodiments of the present invention, the interface of the battery pack is electrically connected to the high-voltage box via a connecting harness, and the connecting harness includes a socket, which is connected to the high-voltage box via a harness body.

[0013] In certain embodiments of the present invention, a middle chamber for accommodating a high-voltage box is provided between the battery compartments on both sides, and an inspection opening is arranged at the bottom of the middle chamber.

[0014] In certain embodiments of the present invention, the socket housing is provided with a torsion spring, the other end of the torsion spring is buckled on the wiring harness fixing plate, the wiring harness fixing plate is connected to the torsion spring through a torsion spring hook, and the wiring harness fixing plate is installed on one side of the battery compartment.

[0015] From the above description of the present invention, it can be seen that compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. After opening the battery-exchange side door, replace the battery pack in the sub-compartment of the battery compartment. Take out the battery pack with low power and replace it with a fully charged battery pack to achieve convenient battery replacement for the transport vehicle. This avoids wasting charging waiting time due to long-term charging of the battery pack, helps meet the transport vehicle's long-term working needs, and increases the transport vehicle's working time.

[0017] 2. The charging and discharging is carried out by using a wiring harness socket. The socket outer shell is provided with a torsion spring to realize the extension function of the socket, so that the socket can avoid the placement space of the battery in the sub-compartment, which is more convenient when changing the battery.

[0018] 3. During battery replacement installation, the rear side of the battery pack is positioned by the positioning protrusion, and the U-shaped gasket is used to limit the vertical displacement of the battery pack in the battery compartment. At the same time, the gasket, buffer strip and buffer pad work together to protect the battery pack.

[0019] 4. Anti-collision reinforcement ribs are arranged on the inner side of the battery swap side door. The inner side of the reinforcement ribs faces the support beam of the battery swap compartment. The partition support plate inside the battery compartment is arranged vertically. The partition support plate is located behind the anti-collision reinforcement ribs. When the battery swap side door collides, the anti-collision reinforcement ribs play a protective role. The impact force of the collision is guided to the support beam and partition support plate behind the anti-collision reinforcement ribs, effectively reducing the deformation of the battery swap side door and ensuring the safe use of the battery pack in the compartment.

[0020] 5. The high-voltage box is installed in the middle room. An inspection opening is arranged at the bottom of the middle room to facilitate maintenance and repair of the high-voltage box from the bottom. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a structural diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the arrangement of the transverse limiting portion of the present utility model;

[0024] Figure 3 This is a schematic diagram of the arrangement of the circular groove of the utility model;

[0025] Figure 4 It is a top view of the utility model;

[0026] Figure 5 AA cross-sectional view of the present utility model;

[0027] Figure 6 It is an enlarged view of B of the present utility model;

[0028] Figure 7 This is a schematic diagram of the installation of the high-voltage box of the utility model;

[0029] Figure 8 It is an enlarged view of C of the present utility model;

[0030] Description of main reference numerals:

[0031] 1. Battery swap compartment, 10. Battery swap side door, 11. Anti-collision reinforcement rib, 12. Buffer pad, 13. Limiter, 14. Pull rod locking device, 15. Partition support plate, 16. Buffer strip, 17. Middle chamber, 18. Limit support plate, 2. Frame main beam, 20. Decorative panel, 3. Battery compartment, 30. Sub-compartment, 31. Horizontal limiter, 4. High-voltage box, 40. High-voltage box bracket, 41. Baffle, 5. Battery pack, 50. Reciprocating groove, 6. Gasket, 60. Elastic cushion, 7. Socket, 70. Torsion spring, 71. Wiring harness body, 72. Torsion spring hook, 8. Wiring harness fixing plate. DETAILED DESCRIPTION

[0032] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are preferred embodiments of the present invention and should not be regarded as excluding other embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0033] In the claims, description and the above-mentioned drawings of the present utility model, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" is to distinguish different objects rather than to describe a specific order.

[0034] In the claims, specification and the above-mentioned drawings of the present utility model, unless otherwise expressly defined, directional words, such as the terms "center", "transverse", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise" and the like, indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific protection scope of the present utility model.

[0035] In the claims, specification and the above drawings of the present utility model, unless otherwise clearly defined, if the terms "fixed connection" or "fixed connection" are used, they should be understood in a broad sense, that is, any connection method without any displacement relationship and relative rotation relationship between the two parties, that is to say, including non-detachable fixed connection, detachable fixed connection, integral connection and fixed connection through other devices or elements.

[0036] In the claims, description and drawings of the present utility model, if the terms "include", "have" and their variations are used, they are intended to mean "including but not limited to".

[0037] Example 1, see Figure 1-3 :

[0038] A battery swap structure for a transport vehicle includes a battery swap compartment 1, which is arranged on a vehicle frame main beam 2. Battery compartments 3 are symmetrically arranged on both sides of the battery swap compartment 1, and battery swap side doors 10 are arranged at the openings of the battery compartments 3. The vehicle frame main beam 2 is the main beam of the transport vehicle.

[0039] The battery-swap side door 10 is provided with a number of anti-collision reinforcement ribs 11 on the inner side, and the inner side of the reinforcement ribs faces the support beam of the battery-swap compartment 1. A buffer pad 12 is provided on the inner side of the battery-swap side door 10 corresponding to the battery compartment 3. When the battery-swap side door 10 collides, the anti-collision reinforcement ribs 11 play a protective role, and the impact force of the collision is directed to the support beam behind the anti-collision reinforcement ribs 11, effectively reducing the deformation of the battery-swap side door 10, thereby protecting the battery pack 5 inside. At the same time, the buffer pad 12 cooperates to play a buffering and protective role.

[0040] As an embodiment, the interface of the battery pack 5 is electrically connected to the high-voltage box 4 via a connecting harness.

[0041] In one embodiment, the battery-swap side door 10 includes a door panel, which is hingedly mounted on the vehicle frame main beam 2. The door panel can be rotated to open. A limiter 13 is installed on the inner side of the door panel. The limiter 13 is used to limit the opening angle of the door panel and fix the door panel at a certain height to prevent the door panel from hitting the ground due to excessive rotation. In another embodiment, decorative panels 20 are arranged on both sides of the vehicle frame main beam 2. The decorative panels 20 have side door openings corresponding to the battery-swap side door 10.

[0042] In one embodiment, the door panel is provided with a drawbar lock device 14, and a limit support plate 18 is mounted on the frame main beam 2 via a lock bracket. The limit support plate 18 is provided with a lock body corresponding to the drawbar lock device 14. Preferably, there are two drawbar lock devices 14 and corresponding lock bodies, and the two drawbar lock devices 14 are respectively arranged on both sides of the door panel.

[0043] As an embodiment, the battery exchange compartment 1 is fastened to the main frame beam 2 by bolts.

[0044] As an embodiment, a pressure block is provided on the top of the battery swap compartment body 1. Preferably, the pressure block is installed at the bolt locking position between the battery swap compartment body 1 and the main beam 2 of the vehicle frame.

[0045] In one embodiment, the battery compartment 3 is divided into several sub-compartments 30 by a partition support plate 15. The main sub-compartment 30 is used to place the battery pack 5. The partition support plate 15 is bolted to the battery compartment 3. Preferably, the battery pack 5 is a rectangular columnar battery pack, with four sub-compartments 30 on each side.

[0046] As an embodiment, the partition support plate 15 is arranged vertically, and the number of anti-collision reinforcement ribs 11 is two. The two anti-collision reinforcement ribs 11 are respectively arranged horizontally on the upper and lower inner sides of the battery-exchange side door 10, and a reserved gap is provided between the anti-collision reinforcement ribs 11 and the partition support plate 15. Preferably, the reserved gap is 2 mm. When the door panel is closed, the partition support plate 15 is located 2 mm behind the two anti-collision reinforcement ribs 11. When a side collision occurs, the impact force of the collision is also directed to the partition support plate 15.

[0047] As an embodiment, buffer strips 16 are arranged on the inner side walls of the battery compartment 3 and the side walls of the partition support plate 15. Preferably, buffer strips 16 are arranged on the left and right inner walls of the battery compartment 3 and the left and right walls of the partition support plate 15, respectively. A buffer strip 16 is arranged transversely on the upper and lower parts of each side wall to provide buffering protection after the battery pack 5 is installed.

[0048] As an embodiment, the battery compartment 3 is provided with a spring pad device for limiting the battery pack 5 in the up and down directions in the battery compartment 3 , and the rear side wall of the battery compartment 3 is provided with a lateral limiting portion 31 for limiting the battery pack 5 .

[0049] In one embodiment, the spring washer device includes a gasket 6 having a U-shaped cross-section. The U-shaped opening of the gasket 6 faces the inner wall of the battery compartment 3 where it is installed. An elastic cushion layer 60 is arranged on the side of the gasket 6 facing the battery pack 5. The transverse limiting portion 31 includes a positioning protrusion, and the battery pack 5 is recessed with a transverse positioning groove corresponding to the positioning protrusion. Preferably, the transverse positioning groove is a circular groove 50.

[0050] When the battery needs to be replaced, open the battery replacement side door 10 and replace the battery pack 5 in the sub-compartment 30 in the battery compartment 3. Take out the battery pack 5 with low power and replace it with the fully charged battery pack 5, so as to realize convenient battery replacement for the transport vehicle and avoid the transport vehicle from wasting charging waiting time due to long-term charging of the battery pack 5, which helps to meet the use requirements of the transport vehicle for long-term operation; when installing the battery replacement, the rear side of the battery pack 5 is positioned by the positioning protrusion, and the U-shaped gasket 6 is used to limit the up and down direction of the battery pack 5 in the battery compartment 3, and cooperate with the buffer strip 16 to protect the battery pack 5, and the interface of the battery pack 5 is electrically connected to the high-voltage box 4 through the connecting harness. Then, close the battery replacement side door 10, and the buffer pad 12 plays a buffering and protective role for the battery pack 5 from the front.

[0051] Example 2, see Figure 4-8 :

[0052] Repeating Example 1, the interface of the battery pack 5 is electrically connected to the high-voltage box 4 via a connecting harness, but the connecting harness includes a socket 7, which is connected to the high-voltage box 4 via a harness body 71. The socket 7 is provided with a torsion spring 70 on its outer sleeve, and the other end of the torsion spring 70 is buckled onto a harness fixing plate 8, which is mounted on one side of the battery compartment 3. When the battery pack 5 is replaced, there is no battery pack in the sub-compartment 30, and the socket 7 is not connected to the battery pack interface. The tension of the torsion spring 70 pulls the socket 7 upward, realizing the retractable function of the socket 7, allowing the socket 7 to avoid the battery placement space in the sub-compartment 30, making it more convenient to place the battery pack 5 when replacing the battery.

[0053] In one embodiment, the side wall of the sub-compartment 30 is provided with a wiring opening to facilitate the passage of the connecting wire harness, and the interface of the battery pack 5 is directly opposite the wiring opening. Preferably, the interface of the battery pack 5 is located at the front of the side wall of the battery pack 5, making it easy to connect the socket 7 to the interface after the battery pack 5 is placed in the sub-compartment 30.

[0054] As an embodiment, the wire harness fixing plate 8 is connected to the torsion spring 70 via a torsion spring hook 72 .

[0055] As an embodiment, a middle chamber 17 for accommodating the high-voltage box 4 is provided between the battery compartments 3 on both sides, and an inspection opening is arranged at the bottom of the middle chamber 17 to facilitate maintenance and inspection of the high-voltage box 4 from the bottom, that is, the staff can perform maintenance and inspection at the bottom of the transport vehicle.

[0056] In one embodiment, the upper portion of the high-voltage box 4 is removably mounted in the middle chamber 17 via a high-voltage box bracket 40. Preferably, a baffle 41 is provided at the bottom of the high-voltage box bracket 40. After the high-voltage box bracket 40 is installed, the baffle 41 is used to block the maintenance opening. During maintenance, the high-voltage box bracket 40 and the high-voltage box 4 can be removed together. In other embodiments, the high-voltage box bracket 40 is not provided with a baffle, and an inspection door is installed at the inspection opening.

[0057] The above description and embodiments are used to explain the scope of protection of the utility model, but do not constitute a limitation on the scope of protection of the utility model. Based on the enlightenment of the utility model or the above embodiments, modifications, equivalent replacements, or other improvements to the embodiments of the utility model or part of the technical features thereof that can be obtained by ordinary technicians in this field through logical analysis, reasoning, or limited experiments in combination with common knowledge, ordinary technical knowledge in this field and / or existing technology should be included in the scope of protection of the utility model.

Claims

1. A transport vehicle battery replacement structure, characterized by: The invention comprises a battery swap compartment (1), wherein the battery swap compartment (1) is arranged on a main beam of a vehicle frame (2), battery compartments (3) are arranged on both sides of the battery swap compartment (1), a battery pack (5) is placed in the battery compartment (3), a battery swap side door (10) is arranged at the opening of the battery compartment (3), a plurality of anti-collision reinforcement ribs (11) are arranged on the inner side of the battery swap side door (10), the inner side of the anti-collision reinforcement ribs (11) is directly opposite to the supporting beam of the battery swap compartment (1), and a buffer pad (12) is arranged on the inner side of the battery swap side door (10) corresponding to the battery compartment (3).

2. A transport vehicle battery replacement structure according to claim 1, characterized in that: The battery-exchange side door (10) comprises a door panel, which is mounted on the vehicle frame main beam (2) via a hinge, and a limiter (13) is mounted on the inner side of the door panel, and the limiter (13) is used to limit the opening angle of the door panel.

3. The battery replacement structure for a transport vehicle according to claim 2, characterized in that: The battery exchange compartment (1) is locked to the main beam (2) of the vehicle frame by means of bolts, the door panel is provided with a pull rod lock device (14), the main beam (2) of the vehicle frame is provided with a limit support plate (18) via a locking bracket, and the limit support plate (18) is provided with a lock body corresponding to the pull rod lock device (14).

4. The battery replacement structure for a transport vehicle according to claim 1, characterized in that: The battery compartment (3) is divided into a plurality of sub-compartments (30) by a partition support plate (15), and buffer strips (16) are correspondingly arranged on the inner side wall of the battery compartment (3) and the partition support plate (15).

5. The battery replacement structure for a transport vehicle according to claim 4, characterized in that: The partition support plate (15) is arranged vertically, the anti-collision reinforcement rib (11) is arranged horizontally on the inner side of the battery-exchange side door (10), and a reserved gap is provided between the anti-collision reinforcement rib (11) and the partition support plate (15).

6. The battery replacement structure for a transport vehicle according to claim 1, characterized in that: The battery compartment (3) is provided with a spring pad device for limiting the battery pack (5) in the upper and lower directions within the battery compartment (3), and the rear side wall within the battery compartment (3) is provided with a transverse limiting portion (31) for limiting the battery pack (5).

7. The battery replacement structure for a transport vehicle according to claim 6, characterized in that: The spring washer device comprises a washer (6) with a U-shaped cross section, an elastic pad layer (60) being arranged on the side of the washer (6) facing the battery pack (5), a transverse limiting portion (31) being included in the positioning convex portion, and a transverse positioning groove being concavely provided in the battery pack (5) corresponding to the positioning convex portion.

8. A transport vehicle battery replacement structure according to any one of claims 1 to 7, characterized in that: The interface of the battery pack (5) is electrically connected to the high-voltage box (4) via a connecting harness, wherein the connecting harness comprises a socket (7), and the socket (7) is connected to the high-voltage box (4) via a harness body (71).

9. The battery replacement structure for a transport vehicle according to claim 8, characterized in that: A middle chamber (17) for accommodating the high-voltage box (4) is provided between the battery compartments (3) on both sides, and an inspection opening is arranged at the bottom of the middle chamber (17).

10. The battery replacement structure for a transport vehicle according to claim 8, characterized in that: The outer shell of the socket (7) is provided with a torsion spring (70), and the other end of the torsion spring (70) is buckled on the wire harness fixing plate (8), and the wire harness fixing plate (8) is installed on one side of the battery compartment (3).

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