Electric work vehicle

Abstract

To enable a charger of an external power source to be connected to a connection part easily in an electric work vehicle.SOLUTION: An electric work vehicle includes: an engine hood 4 provided at a front part of a machine body; and an operation part 5 provided behind the engine hood 4. The electric work vehicle includes a connection part 39 with which a charger which charges a battery is connected. The connection part 39 is disposed at a front part of the engine hood 4.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present invention relates to a configuration for charging a battery in an electric work vehicle. [Background technology]

[0002] In an electric tractor, which is one example of an electric work vehicle, a bonnet is provided at the front of the vehicle body, and many of them have a driver's section provided behind the bonnet. In such electric tractors, as disclosed in Patent Document 1, there is a connection section to which an external power source charger is connected to charge the battery, which is provided on the side of the steering handle of the driver's section. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent Publication No. 2022-60665 Summary of the Invention [Problem to be solved by the invention]

[0004] In electric tractors, a work implement such as a front loader is often attached to the machine body to perform work. In this case, a part of the work implement such as a front loader may be located to the right and left of the driver's unit. In the electric tractor of Patent Document 1, when part of the working implement is located to the right and left of the driver's unit, it is considered that it may become difficult to connect the external power source charger to the connection part using the working implement, so there is room for improvement.

[0005] An object of the present invention is to provide a configuration in which an external power supply charger can be easily connected to a connection section in an electric work vehicle. [Means for solving the problem]

[0006] The electric work vehicle of the present invention comprises a body on which a running device is provided, a battery, a motor that operates using power from the battery and supplies power to the running device, a bonnet provided at the front of the body, a driving unit provided behind the bonnet, and a connection unit to which a charger that charges the battery is connected, the connection unit being located at the front of the bonnet.

[0007] According to the present invention, since the connection part is located at the front of the bonnet, the worker can connect the charger that charges the battery to the connection part while standing in front of the machine body. As a result, even if part of the working device attached to the machine body is located to the right or left of the driver's unit, the worker can easily connect the charger to the connection part without being affected by the working device, thereby improving the workability of the charging work.

[0008] In the present invention, it is preferable that the battery is disposed inside the bonnet.

[0009] According to the present invention, the connection part is disposed at the front of the bonnet and the battery is disposed inside the bonnet, so that the connection part and the battery are close to each other. This makes it possible to shorten the harnesses of the connection part and the battery, thereby simplifying the structure.

[0010] In the present invention, it is preferable that the bonnet has a ceiling portion, a front portion, a right side portion, and a left side portion, a right headlight and a left headlight are provided on the right and left portions of the upper part of the front portion, and the connection portion is arranged between the right headlight and the left headlight in a position in which the charger is connected along the fore-and-aft direction.

[0011] In an electric work vehicle, when the bonnet has a ceiling portion, a front portion, and right and left side portions, the right and left headlights may be provided on the right and left parts of the upper part of the front portion of the bonnet.

[0012] According to the present invention, in the above-mentioned configuration, the connection part is disposed between the right headlight and the left headlight, and the orientation of the connection part is set so that the charger is connected to the connection part in an orientation along the front-rear direction. This makes it easy for an operator to connect the charger to the connection part while standing in front of the vehicle body, which is advantageous in terms of improving the workability of the charging operation.

[0013] In the present invention, it is preferable that the connection portion is arranged inside the bonnet, and an openable and closable cover portion is provided on the portion of the front portion facing the connection portion, which enables connection of the charger to the connection portion.

[0014] According to the present invention, the connection portion is disposed inside the bonnet and covered by the bonnet and the cover portion, so that the intrusion of rainwater and adhesion of dust to the connection portion is reduced, thereby reducing damage to the connection portion. When an operator connects the charger to the connection portion, the operator can easily connect the charger to the connection portion by opening the cover portion, so there is no reduction in workability.

[0015] In the present invention, it is preferable that the bonnet has a ceiling portion, a front portion, a right side portion, and a left side portion, and that the connection portion is arranged in front of the ceiling portion in a position in which the charger is connected along the fore-and-aft direction or the up-and-down direction.

[0016] According to the present invention, when the bonnet has a ceiling, a front, a right side, and a left side, the connection part is disposed at the front of the ceiling of the bonnet, and the orientation of the connection part is set so that the charger is connected to the connection part in an orientation along the front-rear direction or the up-down direction. This makes it easy for an operator to connect the charger to the connection part while standing in front of the machine, which is advantageous in terms of improving the workability of the charging operation.

[0017] In the present invention, it is preferable that the connection portion is arranged inside the bonnet, and an openable and closable cover portion is provided on the portion of the ceiling portion facing the connection portion, which enables connection of the charger to the connection portion.

[0018] According to the present invention, the connection portion is disposed inside the bonnet and covered by the bonnet and the cover portion, so that the intrusion of rainwater and adhesion of dust to the connection portion is reduced, thereby reducing damage to the connection portion. When an operator connects the charger to the connection portion, the operator can easily connect the charger to the connection portion by opening the cover portion, so there is no reduction in workability.

[0019] In the present invention, it is preferable that the bonnet has a ceiling portion, a front portion, a right side portion, and a left side portion, and that the connection portion is arranged in a position where the charger is connected along the left-right direction, at the lower front portion of the right side portion or the lower front portion of the left side portion.

[0020] According to the present invention, when the bonnet has a ceiling portion, a front portion, a right side portion, and a left side portion, the connection portion is disposed at the lower part of the front portion of the right side portion (left side portion) of the bonnet, and the orientation of the connection portion is set so that the charger is connected to the connection portion in an orientation along the left-right direction. This makes it easy for an operator to connect the charger to the connection portion while standing in front of the machine, which is advantageous in terms of improving the workability of the charging operation.

[0021] In the production of work vehicles, an electric work vehicle is produced by mounting a battery and a motor on the vehicle, and an engine work vehicle is produced by mounting an engine on the vehicle. When an engine work vehicle is produced, the exhaust port of the exhaust pipe from the engine is sometimes placed at the bottom of the front part of the right side surface (left side surface) of the bonnet.

[0022] According to the present invention, the lower part of the front part of the right side surface (left side surface) of the bonnet can be configured to be used both as a part for arranging the connection part and as a part for arranging the exhaust outlet of the exhaust pipe, thereby simplifying the structure.

[0023] In the present invention, it is preferable that the connection portion is arranged inside the bonnet, and an openable and closable cover portion is provided on the portion facing the connection portion on the right side surface or the left side surface, which enables connection of the charger to the connection portion.

[0024] According to the present invention, the connection portion is disposed inside the bonnet and covered by the bonnet and the cover portion, so that the intrusion of rainwater and adhesion of dust to the connection portion is reduced, thereby reducing damage to the connection portion. When an operator connects the charger to the connection portion, the operator can easily connect the charger to the connection portion by opening the cover portion, so there is no reduction in workability. [Brief description of the drawings]

[0025] [Figure 1] FIG. [Diagram 2] FIG. [Diagram 3] FIG. 4 is a left side view in vertical section showing the arrangement of a connection portion, a battery, a motor, etc. [Figure 4] FIG. 2 is a plan view of the vicinity of the connection portion and the battery. [Diagram 5] FIG. 11 is a vertical sectional left side view of the vicinity of a connection portion and a battery in a first alternative embodiment of the invention. [Figure 6] FIG. 11 is a plan view of the vicinity of a connection portion and a battery in the first alternative embodiment of the invention. [Figure 7] FIG. 11 is a vertical sectional left side view of the vicinity of a connection portion and a battery in a second modified embodiment of the invention. [Figure 8] FIG. 11 is a plan view of the vicinity of a connection portion and a battery in a second alternative embodiment of the invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0026] A tractor, which is an example of an electric work vehicle, is shown in Figures 1 to 8. In Figures 1 to 8, F indicates the front direction, B indicates the rear direction, U indicates the upward direction, D indicates the downward direction, R indicates the right direction, and L indicates the left direction.

[0027] (Overall configuration of the tractor) 1 and 2, right and left front wheels 1 (corresponding to the running gear) and right and left rear wheels 2 (corresponding to the running gear) are attached to a machine body 3. A bonnet 4 is provided at the front of the machine body 3, and a driver's section 5 is provided at the rear of the machine body 3. A steering handle 6 for steering the front wheels 1, a driver's seat 7, and a ROPS frame 9 are provided at the driver's section 5.

[0028] 1 and 3, the vehicle body 3 is configured to include right and left vehicle body frames 10, a continuously variable transmission 11, and a transmission case 12. The continuously variable transmission 11 is connected to the front of the transmission case 12, and the vehicle body frame 10 is connected to the continuously variable transmission 11 and the transmission case 12 and is provided along the front-to-rear direction. A front axle case 8 is attached to the front of the vehicle body frame 10, and a front wheel 1 is attached to the front axle case 8. A rear wheel 2 is attached to the transmission case 12.

[0029] One top link 13 and right and left lower links 14 are attached to the rear of the transmission case 12 so as to be able to swing up and down. Right and left lift arms 15 are provided at the rear of the transmission case 12, and a rod 16 is connected between the lift arms 15 and the lower links 14.

[0030] Various types of working equipment (not shown) can be attached to the top link 13 and the lower link 14. When the lift arm 15 is operated to swing up and down, the working equipment is raised and lowered via the top link 13 and the lower link 14.

[0031] (Front loader configuration) 1 and 2, a front loader 17 is attached to the front of the machine body 3. The front loader 17 has a base 18, a boom 19, a bucket 20, a boom cylinder 21, a bucket cylinder 22, a frame 23, and the like.

[0032] Right and left bases 18 are connected to the machine frame 10, extend upward, and are disposed on the right and left sides of the rear of the bonnet 4. Right and left booms 19 are attached to the upper parts of the bases 18 so as to be able to swing up and down, and extend forward. Right and left boom cylinders 21 are attached across the bases 18 and the boom 19, and the boom cylinders 21 operate to raise and lower the boom 19.

[0033] A bucket 20 is attached to the front of the boom 19 so as to be able to swing up and down. A frame 23 is connected across the right and left booms 19. A bucket cylinder 22 is connected across the bucket 20 and the frame 23, and the bucket 20 is operated for scooping and dumping by the bucket cylinder 22.

[0034] (Moore's composition) As shown in FIGS. 1 and 2, a mower 24 is attached to the machine frame 10 so as to be able to rise and fall, and is disposed between the front wheels 1 and the rear wheels 2.

[0035] The mower 24 has three blades (not shown) that are rotated around an axis that runs vertically, and are arranged inside the mower 24 so that they are lined up in the left-right direction. Grass cut by the blades is discharged to the right side from the right discharge section 24a of the mower 24.

[0036] (Front configuration of the aircraft) As shown in FIGS. 3 and 4, the battery 27, the inverter 28, the motor 29, the battery 33, etc. are provided at the front of the vehicle frame 10.

[0037] Right and left support members 25 (see FIG. 1) are connected to the front of the aircraft frame 10, and a flat support frame 26 is connected to the support members 25. A battery 27 is attached to the upper surface of the support frame 26, and the battery 27 is provided inside the bonnet 4.

[0038] An inverter 28 is attached to the front of the lower surface of the support frame 26. A motor 29 is attached to the rear of the lower surface of the support frame 26, and is disposed between the right and left aircraft frames 10.

[0039] A lower cover 30 is provided to cover the inverter 28 and the motor 29 from below, and a fan 31 is attached to the front of the lower cover 30. Outside air is introduced into the inside of the lower cover 30 by the fan 31, and the inverter 28 and the motor 29 are cooled by the outside air.

[0040] An arch-shaped frame 32 is connected across the right and left body frames 10 and is disposed at the rear end of the bonnet 4, and a 12V battery 33 is attached to the frame 32.

[0041] The power of the battery 27 is supplied to an inverter 28, and the inverter 28 converts the DC power of the battery 27 into AC power and supplies it to a motor 29, which then operates. The power of the battery 27 is supplied to a DC-DC converter (not shown) where it is reduced to 12 V. The power reduced to 12 V is supplied to a battery 33. Various devices (not shown) equipped on the tractor are operated by the 12 V power of the battery 33.

[0042] (Configuration of the transmission system to the front and rear wheels and the mower) 3, the power of the motor 29 is transmitted to the continuously variable transmission 11 via a transmission shaft 34. The continuously variable transmission 11 is configured as a hydrostatic type, and is capable of continuously changing the speed between the forward and reverse sides.

[0043] The power changed in speed by the continuously variable transmission 11 is transmitted to the rear wheels 2 via an auxiliary transmission (not shown) and a rear wheel differential (not shown) provided inside the transmission case 12. The power branched off just before the rear wheel differential is transmitted via transmission shafts 35, 36 to a front wheel differential (not shown) provided inside the front axle case 8, and then transmitted from the front wheel differential to the front wheels 1.

[0044] The PTO shaft 37 is provided facing forward at the bottom of the front part of the transmission case 12, and the PTO shaft 38 is provided facing backward at the rear part of the transmission case 12. Of the power transmitted by the transmission shaft 34, the power that is not subject to speed change by the continuously variable transmission 11 is transmitted to the PTO shafts 37, 38, and a hydraulic pump (not shown) is driven by the power that is not subject to speed change by the continuously variable transmission 11.

[0045] The power of the PTO shaft 37 is transmitted to the mower 24 via a transmission shaft (not shown). The power of the PTO shaft 38 is transmitted to a working device attached to the top link 13 and the lower link 14 via a transmission shaft (not shown). Hydraulic oil from the hydraulic pump operates the boom cylinder 21 and bucket cylinder 22 of the front loader 17 and a hydraulic cylinder (not shown) that swings the lift arm 15.

[0046] (Correspondence to battery claims) With the above configuration, the vehicle is equipped with the machine body 3 provided with the traveling device (front wheel 1 and rear wheel 2), and the battery 27. The vehicle is equipped with a motor 29 that operates with the power of the battery 27 and supplies power to the traveling device (front wheel 1 and rear wheel 2). The vehicle includes a bonnet 4 provided at the front of the vehicle body 3, and a driver's section 5 provided behind the bonnet 4. A battery 27 is disposed inside the bonnet 4.

[0047] (Bonnet configuration) 1 to 4, the bonnet 4 has a ceiling portion 40, a front portion 41, a right side surface portion 42, and a left side surface portion 43, and is integrally formed from synthetic resin. The bonnet 4 is attached to a frame 32 so as to be swingable about an axis P1 along the left-right direction, and can be operated to a closed position (see FIGS. 1, 2, and 3) and an open position spaced above the closed position.

[0048] A front grill 46 with many small openings is provided across the lower part of the front portion 41 of the bonnet 4 and the front part of the right side surface portion 42 and the front part of the left side surface portion 43. The front grill 46 is part of the front portion 41 of the bonnet 4, part of the right side surface portion 42 of the bonnet 4, and part of the left side surface portion 43 of the bonnet 4.

[0049] A right headlamp 44 and a left headlamp 45 are provided on the right and left parts of the upper part of the front portion 41 of the bonnet 4. Side grilles 49 with a large number of small openings are provided on the right and left lateral surfaces 42, 43 of the bonnet 4.

[0050] An opening 47 is provided in a portion of the front portion 41 of the bonnet 4 between the right headlight 44 and the left headlight 45. A cover portion 48 is attached to the front portion 41 of the bonnet 4 (the upper edge portion of the opening 47) so as to be swingable about an axis P2 along the left-right direction. The cover portion 48 can be moved to a closed position (see FIG. 1) and an open position (see FIGS. 2 and 3).

[0051] (Configuration of the connection part where an external power charger is connected to charge the battery) As shown in Figures 3 and 4, inside the bonnet 4, right and left frames 50, which are angled in side view, are connected between the front end of the aircraft frame 10 and the frame 32, and are positioned above and in front of the battery 27.

[0052] Inside the bonnet 4, right and left frames 51 extending in the up-down direction are connected to the front of the support frame 26 and the front of the upper part of the frame 50, and are disposed in front of the battery 27. A frame 52 extending in the left-right direction is connected to the upper parts of the right and left frames 50, and is disposed above the battery 27.

[0053] 2, 3 and 4, inside the bonnet 4, a frame 53 extending in the left-right direction is connected across the upper front parts of the right and left frames 50. A connection part 39 is attached to the center of the left and right parts of the frame 53. The connection part 39 faces forward and is disposed behind an opening 47 in a front part 41 of the bonnet 4. When the cover part 48 is operated to the closed position (see FIG. 1), the connection part 39 is covered by the cover part 48 and is not exposed in front of the bonnet 4.

[0054] When the cover portion 48 is operated to the open position (see FIGS. 2 and 3), the connection portion 39 is exposed toward the front of the bonnet 4 through the opening 47 of the bonnet 4. The worker connects a charger (not shown) of an external power source (not shown) to the connection portion 39 from the front of the bonnet 4 through the opening 47 of the bonnet 4. As a result, the charger of the external power source is connected to the connection portion 39 in a position along the front-to-rear direction, and the power of the external power source is charged from the connection portion 39 to the battery 27.

[0055] (Correspondence to claims at connection points) With the above-mentioned configuration, a connection portion 39 to which a charger that charges the battery 27 is connected is provided, and the connection portion 39 is disposed at the front portion of the bonnet 4.

[0056] The bonnet 4 has a ceiling portion 40, a front portion 41, a right side portion 42, and a left side portion 43. A right headlight 44 and a left headlight 45 are provided on the right and left portions of the upper part of the front portion 41. The connection portion 39 is disposed between the right headlight 44 and the left headlight 45 in a position in which the charger is connected along the fore-and-aft direction.

[0057] The connection portion 39 is disposed inside the bonnet 4. An openable and closable cover portion 48 that enables connection of a charger to the connection portion 39 is provided at a portion of the front portion 41 that faces the connection portion 39.

[0058] (First Alternative Embodiment of the Invention) 5 and 6, an opening 54 is provided in the left-right center of the front part of the ceiling part 40 of the bonnet 4. A cover part 55 is attached to the front part of the ceiling part 40 of the bonnet 4 (the rear edge part of the opening 54) so ​​as to be swingable about an axis P3 along the left-right direction. The cover part 55 can be moved to a closed position and an open position (see FIG. 5).

[0059] Inside the bonnet 4, a frame 56 extending in the left-right direction is connected across the front portions of the upper parts of the right and left frames 50. A connection part 39 is attached to the center of the left and right sides of the frame 56. The connection part 39 faces upward and is disposed below the opening 54 of the bonnet 4. When the cover part 55 is operated to the closed position, the connection part 39 is covered by the cover part 55 and is not exposed above the bonnet 4.

[0060] When the cover portion 55 is operated to the open position (see FIG. 5 ), the connection portion 39 is exposed toward the top of the bonnet 4 through the opening 54 of the bonnet 4. The worker connects a charger (not shown) of an external power source (not shown) to the connection portion 39 from above the bonnet 4 through the opening 54 of the bonnet 4. As a result, the charger of the external power source is connected to the connection portion 39 in a position aligned in the up-down direction, and the electric power of the external power source is charged from the connection portion 39 to the battery 27.

[0061] 5 and 6, the connection part 39 may be attached to the frame 56 facing diagonally upward and forward. With this configuration, the external power charger is connected to the connection part 39 from above the front of the bonnet 4 through the opening 54 of the bonnet 4 in a posture along the front-rear direction.

[0062] (Correspondence of the connection part of the first alternative embodiment to the claims) With the above-mentioned configuration, a connection portion 39 to which a charger that charges the battery 27 is connected is provided, and the connection portion 39 is disposed at the front portion of the bonnet 4.

[0063] The bonnet 4 has a ceiling portion 40, a front portion 41, a right side surface portion 42, and a left side surface portion 43. The connection portion 39 is disposed in front of the ceiling portion 40 in a position in which the charger is connected along the front-rear direction or the up-down direction.

[0064] The connection portion 39 is disposed inside the bonnet 4. An openable and closable cover portion 55 that enables connection of a charger to the connection portion 39 is provided at a portion of the ceiling portion 40 that faces the connection portion 39.

[0065] (Second Alternative Embodiment of the Invention) 7 and 8, an opening 57 is provided in the front portion of the left side surface portion 43 of the bonnet 4 (the lower portion of the left portion of the front grille 46). A cover portion 58 is attached to the lower portion of the front portion of the left side surface portion 43 of the bonnet 4 (the lower portion of the left portion of the front grille 46) (the rear edge of the opening 57) so as to be swingable about an axis P4 that extends in the vertical direction. The cover portion 58 can be moved to a closed position and an open position (see FIG. 8).

[0066] Inside the bonnet 4, a bracket 59 is connected to the lower part of the left frame 51, and the connection part 39 is attached to the bracket 59. The connection part 39 faces leftward and is disposed to the right of an opening 57 of the bonnet 4. When the cover part 58 is operated to the closed position, the connection part 39 is covered by the cover part 58 and is not exposed to the left side of the bonnet 4.

[0067] When the cover portion 58 is operated to the open position (see FIG. 8 ), the connection portion 39 is exposed toward the left of the bonnet 4 through the opening 57 of the bonnet 4. The worker connects a charger (not shown) of an external power source (not shown) to the connection portion 39 from the left of the bonnet 4 through the opening 57 of the bonnet 4. As a result, the charger of the external power source is connected to the connection portion 39 in a position aligned in the left-right direction, and electricity from the external power source is charged from the connection portion 39 to the battery 27.

[0068] In Figures 7 and 8, the connection portion 39 may be attached to the lower portion of the right frame 51 facing to the right, and the opening 57 and the cover portion 58 may be provided in the lower portion of the front portion of the right side surface portion 42 of the bonnet 4 (the lower portion of the right portion of the front grille 46).

[0069] (Correspondence of the connection part of the second alternative embodiment to the claims) With the above-mentioned configuration, a connection portion 39 to which a charger that charges the battery 27 is connected is provided, and the connection portion 39 is disposed at the front portion of the bonnet 4.

[0070] The bonnet 4 has a ceiling portion 40, a front portion 41, a right side surface portion 42, and a left side surface portion 43. The connection portion 39 is disposed below the front portion of the right side surface portion 42 or below the front portion of the left side surface portion 43 in a position in which the charger is connected along the left-right direction.

[0071] The connection portion 39 is disposed inside the bonnet 4. An openable and closable cover portion 58 that enables connection of a charger to the connection portion 39 is provided at a portion of the right side surface portion 42 or the left side surface portion 43 that faces the connection portion 39.

[0072] (Third Alternative Embodiment of the Invention) In the configuration shown in Figures 7 and 8, the battery 27, inverter 28, motor 29, etc. may be eliminated, and an engine (not shown) may be mounted on the front of the vehicle frame 10 to produce an engine work vehicle.

[0073] In this case, the opening 57 of the bonnet 4 is left, the cover part 58 is eliminated, and the exhaust port of the exhaust pipe (not shown) from the engine is arranged in the opening 57 of the bonnet 4, so that the engine exhaust is discharged to the outside through the opening 57 of the bonnet 4.

[0074] (Fourth Alternative Embodiment of the Invention) 1 to 8, the connection portion 39 may be attached directly to the front portion of the bonnet 4, rather than to the inside of the bonnet 4. In this configuration, the connection portion 39 is exposed, so it is preferable to provide a dustproof and waterproof cap (not shown) that can be attached and detached to the connection portion 39.

[0075] (Fifth Alternative Embodiment of the Invention) Instead of the rear wheels 2, a crawler traveling device (not shown) may be provided as the traveling device. Instead of the front wheels 1 and the rear wheels 2, a crawler traveling device (not shown) may be provided as the traveling device. [Industrial Applicability]

[0076] The present invention can be applied not only to tractors but also to other electric work vehicles such as electric carts and transport vehicles. [Explanation of symbols]

[0077] 1 Front wheel (running gear) 2 Rear wheels (running gear) 3. Aircraft 4. Bonnet 5. Driving section 27 Battery 29 Motor 39 Connection 40 Ceiling 41 Front part 42 Right side section 43 Left lateral part 44 Right headlight 45 Left headlight 48 Cover part 55 Cover part 58 Cover part

Claims

1. An aircraft having a running gear; A battery; a motor that operates using power from the battery and supplies power to the traveling device; A bonnet provided at the front of the aircraft; A driving section provided behind the bonnet; a connection portion to which a charger that charges the battery is connected, An electric work vehicle, wherein the connection portion is disposed at a front portion of the bonnet.

2. 2. The electric work vehicle according to claim 1, wherein the battery is disposed inside the hood.

3. The bonnet has a ceiling portion, a front portion, a right side surface portion, and a left side surface portion, A right headlight and a left headlight are provided on the right and left parts of an upper part of the front part, 3. The electric work vehicle according to claim 1, wherein the connection portion is disposed between the right headlight and the left headlight in a position in which the charger is connected along a front-rear direction.

4. The connection portion is disposed inside the bonnet, The electric work vehicle according to claim 3 , further comprising an openable and closable cover portion that enables connection of the charger to the connection portion, the cover portion being disposed at a portion of the front portion that faces the connection portion.

5. The bonnet has a ceiling portion, a front portion, a right side surface portion, and a left side surface portion, The electric work vehicle according to claim 1 or 2, wherein the connection portion is disposed at a front portion of the ceiling portion in a position in which the charger is connected along a front-rear direction or a top-bottom direction.

6. The connection portion is disposed inside the bonnet, The electric work vehicle according to claim 5, further comprising an openable and closable cover portion that enables connection of the charger to the connection portion, the cover portion being disposed on a portion of the ceiling portion facing the connection portion.

7. The bonnet has a ceiling portion, a front portion, a right side surface portion, and a left side surface portion, The electric work vehicle according to claim 1 or 2, wherein the connection portion is arranged in a position in which the charger is connected along the left-right direction, at the lower front portion of the right side panel or the lower front portion of the left side panel.

8. The connection portion is disposed inside the bonnet, The electric work vehicle according to claim 7 , wherein an openable and closable cover portion that enables connection of the charger to the connection portion is provided on a portion of the right side surface portion or the left side surface portion facing the connection portion.

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