Electric vehicles

Abstract

In electric vehicles in which a body is mounted behind the driver's cab, the present invention provides an electric vehicle with a configuration that can suppress the mounting height of the body and thus suppress the increase in vehicle height. [Solution] The vehicle body 2 on which the refuse container 3 is mounted is configured such that the refuse container 3 is supported on the chassis frame 15 via a subframe 16. An electric PTO 10, which houses an electric motor for the mounted equipment that drives the refuse container 3, is fixed on the chassis frame 15 by an electric PTO stand 17, and a housing step 20 for housing the electric PTO stand 17 is formed in the subframe 16.

Description

Technical Field

[0001] The present invention relates to an electric vehicle, and more particularly, to a technology for mounting an electric power take-off (PTO) that houses an electric motor in an electric vehicle including a hydraulic device that hydraulically drives a mounted object mounted behind a driver's cab, such as a dust collection vehicle equipped with a dust collection box as a mounted object, and an electric motor that drives this hydraulic device.

Background Art

[0002] For example, in a dust collection vehicle, a dust collection box is mounted on the vehicle body, and a loading section incorporating a dust loading device is provided at the rear of the dust collection box. The dust loading device conveys the dust introduced into the loading section into the dust collection box.

[0003] The dust loading device includes a hydraulic circuit that supplies hydraulic oil to a hydraulic cylinder or the like as an actuator, and this hydraulic circuit is connected to a hydraulic pump driven by power taken from a traveling engine by a power take-off (PTO).

[0004] By the way, when operating the dust loading device, a relatively large hydraulic pressure is required, so the generation of noise and exhaust gas due to an increase in engine output during loading has been a problem. Recently, as a countermeasure to prevent the generation of these engine noises and exhaust gases, an electric dust collection vehicle that drives the dust loading device with electric power supplied from a storage battery is known (see, for example, Patent Document 1).

[0005] In the dust loading device of this type of dust collection vehicle, a hydraulic pump that supplies hydraulic oil to the hydraulic cylinder or the like is driven by an electric motor, and a storage battery that supplies electric power to this electric motor is provided. The electric motor is housed in an electric power take-off (electric PTO).

[0006] This electric PTO is mounted at the rear of the driver's seat, and generally, the electric PTO is provided on the vehicle body in front of the dust collection box.

[0007] In connection with this, since the bodywork is heavy, a subframe may be fixed to the chassis frame to reinforce the chassis frame that constitutes the vehicle body. [Prior art documents] [Patent Documents]

[0008] [Patent Document 1] Japanese Patent Publication No. 2011-207608 [Overview of the project] [Problems that the invention aims to solve]

[0009] Incidentally, electric PTOs are generally positioned off-center from the vehicle's left-right center relative to the chassis frame. In such cases, an electric PTO support frame extending from the chassis frame in the left-right direction of the vehicle is required to support the electric PTO.

[0010] However, in a structure where the electric PTO mount is mounted on the chassis frame, and the subframe is mounted on top of that, the refuse collection box a would have to be mounted even higher on top of that. This would increase the height of the refuse collection vehicle, and improvements were needed to ensure the vehicle's stability.

[0011] This problem was common to both the hydraulic equipment that hydraulically drives the bodywork mounted behind the driver's cab and the electric motor that drives this hydraulic equipment.

[0012] The present invention has been made in view of the aforementioned conventional problems, and its objective is to provide an electric vehicle having a configuration that can suppress the mounting height of a bodywork mounted behind the driver's cab, thereby suppressing an increase in the vehicle's height. [Means for solving the problem]

[0013] To achieve the above objective, the first electric vehicle according to the present invention is a vehicle comprising a vehicle body on which a bodywork is mounted behind the driver's cab, an electric PTO housing an electric motor for the bodywork that drives the bodywork, a storage battery that supplies power to the electric motor, and a hydraulic pump that is driven by the electric motor for the bodywork to hydraulically drive the bodywork, wherein the vehicle body comprises a chassis frame extending in the longitudinal direction of the vehicle, and the bodywork is supported on the chassis frame via a subframe, the electric PTO is fixed on an electric PTO mount installed on the chassis frame in front of the subframe, and the electric PTO mount has an extended portion that extends from the rearward of the PTO to below the bodywork, and is housed in a housing step formed by cutting out the lower portion from the front end of the subframe.

[0014] Furthermore, the second electric vehicle according to the present invention is a vehicle comprising a vehicle body on which a bodywork is mounted behind the driver's cab, an electric PTO housing an electric motor for the bodywork that drives the bodywork, a storage battery that supplies power to the electric motor, and a hydraulic pump that is driven by the electric motor for the bodywork to hydraulically drive the bodywork, wherein the vehicle body comprises a chassis frame extending in the longitudinal direction of the vehicle, and the bodywork is supported on this chassis frame via a subframe, and the electric PTO is fixed on an electric PTO mounting base which is a stepped portion formed by cutting out the upper surface portion of the subframe at the front of the subframe, and the electric PTO mounting base and the subframe are integrally formed.

[0015] A preferred embodiment employs the following configuration. (1) The above-mentioned electric PTO incorporates the above-mentioned hydraulic pump.

[0016] (2) The subframe is a main girder that is installed integrally with the above-mentioned bodywork. [Effects of the Invention]

[0017] According to the electric vehicle of the present invention, the vehicle body, on which a body is mounted behind the driver's cab, is provided with a chassis frame extending in the longitudinal direction of the vehicle, and the body is supported on this chassis frame via a subframe. An electric PTO, which houses an electric motor for the body that drives the body, is fixed to the chassis frame by an electric PTO stand, and a housing step for accommodating the electric PTO stand is formed in the subframe, or the electric PTO stand is integrally formed with the subframe. As a result, the following unique effects can be obtained, and an electric vehicle can be provided that can suppress the mounting height of the body and suppress the increase in vehicle height.

[0018] (1) The vehicle body, on which a body is mounted behind the driver's cab, is equipped with a chassis frame extending in the longitudinal direction of the vehicle, and the body is supported on this chassis frame via a subframe. An electric PTO, which houses an electric motor for the body that drives the body, is fixed to the chassis frame by an electric PTO stand, and a recessed area for housing the electric PTO stand is formed in the subframe. Therefore, even if the electric PTO stand that supports the electric PTO is configured to extend below the body for the purpose of stably fixing the electric PTO, the portion that extends below the body can be housed in the recessed area of ​​the subframe.

[0019] Therefore, the increase in the mounting height of the above-mentioned equipment due to the presence of the electric PTO mount is prevented, thereby suppressing the increase in the overall vehicle height of the electric vehicle and effectively ensuring the stability of the vehicle.

[0020] (2) The vehicle body with a mounted object installed behind the driver's cab includes a chassis frame extending in the longitudinal direction of the vehicle, and the mounted object is supported on this chassis frame via a sub-frame. An electric PTO that houses an electric motor for driving the mounted object is fixed on the chassis frame by an electric PTO mount, and the electric PTO mount is integrally formed with the sub-frame. Therefore, the sub-frame also serves as a support for the electric PTO mount, eliminating the need for a configuration where an independent sub-frame is stacked on the electric PTO mount.

[0021] Therefore, similar to (1) above, the presence of the electric PTO mount prevents an increase in the mounting height of the mounted object, suppressing an increase in the overall vehicle height of the electric vehicle and effectively ensuring the stability of the vehicle.

[0022] (3) By incorporating the hydraulic pump together with the electric motor for the mounted object inside the electric PTO, even if the electric PTO becomes large, due to the cooperative action with the configuration of (1) or (2) above, the presence of the electric PTO mount prevents an increase in the mounting height of the mounted object. As a result, an increase in the overall vehicle height of the electric vehicle is suppressed, and the stability of the vehicle can be effectively ensured.

Brief Description of the Drawings

[0023] [Figure 1] Fig. 1 shows a garbage collection vehicle according to Embodiment 1 of the present invention. Fig. 1(a) is a front view, and Fig. 1(b) is a plan view. [Figure 2] It is a block diagram showing the drive system of the garbage collection vehicle. [Figure 3] Fig. 2 schematically shows the rear configuration of the garbage collection vehicle, showing the dump operation state for the rear garbage storage box to discharge the stored garbage. [Figure 4]The rear structure of the dust collection vehicle is schematically shown. Fig. 4(a) is a front view, Fig. 4(b) is a plan sectional view taken along line B-B in Fig. 4(a), and Fig. 4(c) is a plan sectional view taken along line C-C in Fig. 4(a). In the electric PTO mount 17 in Fig. 4(a), the structural line representing the recess between the pair of front and rear cross members 17b, 17b is omitted. [Figure 5] The rear structure of the dust collection vehicle according to Embodiment 2 of the present invention is schematically shown. Fig. 5(a) is a front view, Fig. 5(b) is a plan sectional view taken along line B-B in Fig. 5(a), and Fig. 5(c) is a plan sectional view taken along line C-C in Fig. 5(a). In the electric PTO mount 17 in Fig. 5(a), the structural line representing the recess between the pair of front and rear cross members 17b, 17b is omitted. [Figure 6] The rear structure of the dust collection vehicle according to Embodiment 3 of the present invention is schematically shown. Fig. 6(a) is a front view, Fig. 6(b) is a plan sectional view taken along line B-B in Fig. 6(a), and Fig. 6(c) is a plan sectional view taken along line C-C in Fig. 6(a). In the electric PTO mount 17 in Fig. 6(a), the structural line representing the recess between the pair of front and rear cross members 17b, 17b is omitted. [Figure 7] The rear structure of the dust collection vehicle according to Embodiment 4 of the present invention is schematically shown. Fig. 7(a) is a front view, Fig. 7(b) is a plan sectional view taken along line B-B in Fig. 7(a), and Fig. 7(c) is a plan sectional view taken along line C-C in Fig. 7(a). In the electric PTO mount 17 in Fig. 7(a), the structural line representing the recess between the pair of front and rear cross members 17b, 17b is omitted.

Modes for Carrying Out the Invention

[0024] Hereinafter, embodiments of the present invention will be described in detail based on the drawings. The same reference numerals throughout the drawings denote the same constituent members or elements.

[0025] Embodiment 1 Figures 1 to 4 show the refuse collection vehicle according to the present invention. As shown in Figure 1, the refuse collection vehicle 1 has a refuse collection box 3 for storing refuse mounted on the vehicle body 2. Specifically, a driver's cab 4 is provided at the front of the vehicle body 2, and the above-mentioned refuse collection box 3, which is a bodywork, is mounted behind the driver's cab 4.

[0026] Furthermore, an electric power take-off (electric PTO) 10, which will be described later, is mounted between the waste collection box 3 and the driver's cab 4. As shown in Figure 1(b), this electric PTO 10 is positioned to be offset laterally from the left and right sides of the vehicle body 2.

[0027] This waste container 3 has a waste input section at its rear end 5 that can be opened upward, and although not shown in detail, it is equipped with a waste loading device inside.

[0028] The refuse collection vehicle 1 of this embodiment is an electric vehicle (EV) that is electrically powered from driving to the compression, collection, and discharge of refuse (garbage), and specifically has a drive system as shown in Figure 2.

[0029] Specifically, referring to Figure 2, the rechargeable traction battery (storage battery) 6 supplies electricity to the traction electric motor 7, which drives the vehicle. This driving force rotates the rear left and right wheels 9, 9 via the transmission 8, causing the garbage collection vehicle 1 to move.

[0030] On the other hand, power is extracted from the above-mentioned traction battery 6 by an electric motor 11 for mounting, which is housed in an electric power take-off device (electric PTO) 10, and the above-mentioned refuse collection box (mounted equipment) 3 is hydraulically driven.

[0031] The hydraulic drive of the refuse container 3, although not specifically shown in the diagram, performs the refuse compression and collection operation in the refuse input section 5, and the dumping operation by tilting the refuse container 3 (see Figure 3), which then discharges the collected refuse.

[0032] For this purpose, the waste collection box 3 is equipped with hydraulic equipment that hydraulically drives a plurality of hydraulic cylinders, which serve as actuators for performing the various operations described above. This hydraulic equipment includes an oil tank, a hydraulic pump, and the like.

[0033] In the refuse collection vehicle 1 of this embodiment, the hydraulic pump 12 of the hydraulic equipment is housed in the electric PTO 10 together with the mounting electric motor 11 (Figure 2). The power extracted by the mounting electric motor 11 drives the hydraulic pump 12, drawing in and discharging hydraulic fluid from the oil tank. This discharged hydraulic fluid is supplied to each of the hydraulic cylinders, thereby performing the predetermined operations, namely refuse compression and collection operations, and the discharge operations of the collected refuse.

[0034] In connection with this, since the bodywork is heavy, the vehicle body 2 described above has the following reinforcing structure.

[0035] In this embodiment, a subframe 16 is fixed on the chassis frame 15 as a support frame in order to reinforce the chassis frame 15 that constitutes the vehicle body 2.

[0036] Specifically, as shown in Figure 4, the vehicle body 2 is mainly comprised of a chassis frame 15 extending in the longitudinal direction of the vehicle, and a waste container 3 is supported on this chassis frame 15 via a subframe 16. The electric PTO 10 is fixed on the chassis frame 15 by an electric PTO mount 17.

[0037] The chassis frame 15 supports the entire refuse container 3 from below and constitutes the skeleton of the refuse collection vehicle 1, and is the part that supports the entire weight of the refuse container 3.

[0038] The chassis frame 15 consists of a pair of left and right frame members 15a, 15a extending parallel to the longitudinal direction of the vehicle, and a plurality of cross members (not shown) connecting them in the vehicle width direction at multiple locations in the longitudinal direction of the vehicle. The pair of left and right frame members 15a, 15a are specifically made of channel steel material that forms a groove shape toward the inside in the vehicle width direction, although not shown.

[0039] The subframe 16 is for reinforcing the chassis frame 15 and is fixed on the chassis frame 15, and the waste container 3 is fixed on this subframe 16.

[0040] The subframe 16 is configured to overlap the chassis frame 15 in a stacked manner, and therefore, like the chassis frame 15, it consists of a pair of left and right frame members 16a, 16a extending parallel to the vehicle's longitudinal direction. Specifically, although not shown in the figures, it is made of channel steel that forms a groove shape inward in the vehicle width direction.

[0041] The electric PTO frame 17 that securely supports the electric PTO 10 consists of a pair of left and right frame members 17a, 17a extending parallel to the vehicle's longitudinal direction, and a pair of front and rear cross members 17b, 17b extending perpendicularly to these in the vehicle's width direction. These frame members 17a and cross members 17b are also made of channel steel, similar to the chassis frame 15 and subframe 16, although not specifically shown in the figures.

[0042] The electric PTO mount 17 is fixed to the front end of the chassis frame 15. However, as described above, the electric PTO 10 to be supported is positioned offset to the left and right of the vehicle body 2 (Figure 1(b)). Therefore, the electric PTO mount 17 also has a shape that extends outwards from the chassis frame 15 to a position offset to the left and right of the vehicle, as shown in Figures 4(a) and 4(b). Note that in Figure 4(b), the electric PTO 10 houses equipment as an electric power extraction device, but this equipment is omitted. The same applies to the interior of the electric PTO 10 in Figures 5 to 7.

[0043] Furthermore, in order to stably fix the electric PTO 10, the electric PTO stand 17 is configured to extend below the waste collection box 3 in the illustrated embodiment, as shown in Figure 3(a).

[0044] In this case, since both the subframe 16 and the electric PTO mount 17 are fixed to the chassis frame 15, in order to suppress the increase in the mounting height of the waste container 3 on the chassis frame 15, it is necessary to have a structure that prevents interference between these two components 16 and 17.

[0045] Here, since the strength of the electric PTO stand 17 required to support the electric PTO 10 is lower than the strength of the subframe 16 required to support the waste container 3, the height of the electric PTO stand 17 is designed to be lower than the height of the subframe 16.

[0046] Therefore, in order to prevent interference between the subframe 16 and the electric PTO mount 17, a receiving step 20 for accommodating the electric PTO mount 17 is formed in the subframe 16.

[0047] The above-mentioned storage step 20 is a step created by cutting out the lower surface of the subframe 16 (16a, 16a) by the height of the electric PTO mount 17, and this storage step 20 is configured to rest on the electric PTO mount 17. As a result, the subframe 16 and the electric PTO mount 17 are fixed on the chassis frame 15 without interfering with each other.

[0048] Furthermore, the following specific effects can be obtained with the refuse collection vehicle 1 configured as described above.

[0049] (a) The vehicle body 2, on which the refuse container 3 is mounted behind the driver's cab 4, is equipped with a chassis frame 15 extending in the longitudinal direction of the vehicle, and the refuse container 3 is supported on the chassis frame 15 via a subframe 16. An electric PTO 10, which houses an electric motor 11 for the mounted equipment that drives the refuse container 3, is fixed on the chassis frame 15 by an electric PTO stand 17, and a storage step 20 for housing the electric PTO stand 17 is formed in the subframe 16. Therefore, even if the electric PTO stand 17 that supports the electric PTO 10 is configured to extend below the refuse container 3 in order to stably fix the electric PTO 10, the portion that extends below the refuse container 3 can be housed in the storage step 20 of the subframe 16.

[0050] Therefore, the presence of the electric PTO mount 17 prevents an increase in the mounting height of the refuse collection box 3, thereby suppressing an increase in the overall height of the refuse collection vehicle 1 and effectively ensuring the stability of the vehicle.

[0051] (b) By incorporating the electric PTO 10 together with the electric motor 11 for the bodywork and the hydraulic pump 12 into the interior, even if the electric PTO 10 becomes larger, the cooperative action with the configuration in (a) above prevents an increase in the mounting height of the refuse collection box 3 due to the presence of the electric PTO stand 17. As a result, the increase in the overall height of the refuse collection vehicle 1 is suppressed, and the stability of the vehicle can be effectively ensured.

[0052] Embodiment 2 This embodiment is shown in Figure 5 and is a refuse collection vehicle 1 equipped with a discharge plate type configuration for the refuse collection box 3, rather than a dump type (Figure 3) as in Embodiment 1.

[0053] In other words, in the refuse collection vehicle 1 of this embodiment, the main girder 25, which is integrally provided on the lower surface of the refuse container 3, is directly fixed onto the chassis frame 15 of the vehicle body 2, and functions as a support frame similar to the subframe 16 of Embodiment 1. The dashed line in Figure 5(a) represents a virtual boundary line between the refuse container 3 and the main girder 25.

[0054] Specifically, as shown in Figure 5, the main girder 25, which is integrated with the refuse container 3, is directly fixed to the chassis frame 15 that constitutes the vehicle body 2, thereby supporting the refuse container 3.

[0055] The main girder 25 is configured to overlap the chassis frame 15 in a stacked manner, and therefore, like the chassis frame 15, it consists of a pair of left and right frame members 25a, 25a extending parallel to the longitudinal direction of the vehicle, and although not shown in the figures, it is made of channel steel material that forms a groove shape toward the inside in the vehicle width direction.

[0056] Furthermore, similar to the first embodiment, the electric PTO stand 17 is configured to extend below the waste container 3, as shown in Figure 5(a), in order to stably fix the electric PTO 10.

[0057] In this case, as in Embodiment 1, both the main girder 25 and the electric PTO mount 17 are fixed to the chassis frame 15. Therefore, in order to suppress the increase in the mounting height of the waste container 3 on the chassis frame 15, it is necessary to have a structure that prevents interference between these two components 25 and 17.

[0058] Here, since the strength of the electric PTO support frame 17 required to support the electric PTO 10 is lower than the strength of the main girder 25 of the waste container 3, the height of the electric PTO support frame 17 is designed to be lower than the height of the main girder 25.

[0059] Therefore, in order to prevent interference between the main girder 25 and the electric PTO mount 17, a receiving step 20 for accommodating the electric PTO mount 17 is formed in the main girder 25. The configuration of this receiving step 20 is the same as in the first embodiment, and as a result, the main girder 25 and the electric PTO mount 17 are fixed on the chassis frame 15 without interfering with each other. The other configurations and functions are the same as in Embodiment 1.

[0060] Embodiment 3 This embodiment is shown in Figure 6, in which the electric PTO 10 is fixed to the chassis frame 15 of the vehicle body 2 by an electric PTO mount 17 which is integrally formed with the subframe 16.

[0061] In other words, in the refuse collection vehicle 1 of this embodiment, in order to reinforce the chassis frame 15 that constitutes the vehicle body 2, a subframe 16 fixed on the chassis frame 15 and an electric PTO mount 17 that supports and fixes the electric PTO 10 are integrally formed.

[0062] Specifically, as shown in Figure 6, the tip portion of the subframe 16, which is fixed on the chassis frame 15 that constitutes the vehicle body 2, has portions that correspond to the pair of left and right frame members 17a, 17a of the electric PTO mount 17 in Embodiment 1 integrally formed, thus constituting a part of the electric PTO mount 17.

[0063] As a result, the subframe 16 and the electric PTO mount 17 are fixed onto the chassis frame 15 without interfering with each other.

[0064] Furthermore, the following specific effects can be obtained with the refuse collection vehicle 1 configured as described above.

[0065] In other words, the vehicle body 2, on which the refuse container 3 is mounted behind the driver's cab 4, is equipped with a chassis frame 15 extending in the longitudinal direction of the vehicle, and the refuse container 3 is supported on this chassis frame 15 via a subframe 16. The electric PTO 10, which houses the electric motor 11 for the mounted equipment that drives the refuse container 3, is fixed on the chassis frame 15 by an electric PTO stand 17, and the electric PTO stand 17 is integrally formed with the subframe 16. Therefore, the subframe 16 also serves as a support for the electric PTO stand 17, eliminating the need to mount an independent subframe on top of the electric PTO stand 17.

[0066] Therefore, the presence of the electric PTO mount 17 prevents an increase in the mounting height of the refuse collection box 3, thereby suppressing an increase in the overall height of the refuse collection vehicle 1 and effectively ensuring the stability of the vehicle. The other configurations and functions are the same as in Embodiment 1.

[0067] Embodiment 4 This embodiment is shown in Figure 7 and is a refuse collection vehicle 1 equipped with a discharge plate type configuration for the refuse collection box 3, rather than a dump type (Figure 3) as in Embodiment 3.

[0068] In other words, in the refuse collection vehicle 1 of this embodiment, the main girder 25, which is integrally provided on the lower surface of the refuse container 3, is directly fixed to the chassis frame 15 of the vehicle body 2, similar to Embodiment 2, and functions as a support frame similar to the subframe 16 of Embodiment 3. Note that the dashed line in Figure 7(a) is a virtual boundary line between the refuse container 3 and the main girder 25.

[0069] Specifically, as shown in Figure 7, the tip portion of the main girder 25, which is fixed on the chassis frame 15 that constitutes the vehicle body 2, has portions that correspond to the pair of left and right frame members 17a, 17a of the electric PTO mount 17 in Embodiment 1 integrally formed, thus constituting a part of the electric PTO mount 17.

[0070] As a result, the main girder 25 and the electric PTO mount 17 are fixed onto the chassis frame 15 without interfering with each other. The other configurations and functions are the same as in Embodiment 3.

[0071] It should be noted that the embodiments 1 to 4 described above are merely preferred embodiments of the present invention, and the present invention is not limited to these embodiments; various design modifications are possible within their scope.

[0072] For example, regarding the specific structure of each component constituting the refuse collection vehicle 1, other structures having the same function as the illustrated embodiment can be adopted. For instance, in the illustrated embodiment, the hydraulic pump 12 in the hydraulic equipment of the refuse collection box 3 is housed in the electric PTO 10 together with the mounting electric motor 11 (Figure 2), but the electric PTO 10 may be configured to house only the mounting electric motor. In this case, the hydraulic pump 12 can be fixed to the chassis frame 15 or subframe 16 instead of on the electric PTO mount 17.

[0073] Furthermore, the present invention is applicable to electric vehicles of the same type other than the garbage collection vehicle 1 shown in the illustrated embodiment, and is applicable to electric vehicles such as the following:

[0074] (a) A dump truck equipped with a tilting cargo box as a bodywork (see, for example, Japanese Patent Publication No. 2023-86510)

[0075] (b) A container transport vehicle equipped with an arm with a hook as a mounting structure (see, for example, Japanese Patent Publication No. 2024-23747)

[0076] (c) A vehicle carrier equipped with a cargo bed for carrying transport vehicles and a loading / unloading device for the same purpose (see, for example, Japanese Patent Publication No. 2023-180126)

[0077] (d) A vehicle for transporting powders and granules equipped with a tank as a bodywork (see, for example, Japanese Patent Publication No. 6378367)

[0078] (e) A tank truck equipped with a tank as a bodywork (see, for example, Japanese Patent Publication No. 5784345) [Explanation of Symbols]

[0079] 1. Garbage collection vehicle 2 car bodies 3. Refuse container 4 Driver's cab 5 Garbage input section 6. Driving battery (storage battery) 7. Electric motor for driving 10 Electric power takeoff device (electric PTO) 11. Electric motor for mounting 12 Hydraulic pumps 15 Chassis Frame 16. Subframe (support frame) 17 Electric PTO mount 20 Storage steps 25 Main girder

Claims

1. A vehicle comprising a body with a bodywork mounted behind the driver's cab, an electric PTO housing an electric motor for the bodywork that drives the bodywork, a storage battery that supplies power to the electric motor, and a hydraulic pump that is driven by the electric motor for the bodywork to hydraulically drive the bodywork, The vehicle body comprises a chassis frame extending in the longitudinal direction of the vehicle, and the bodywork is supported on this chassis frame via a subframe. The electric PTO is fixed to an electric PTO mount installed on the chassis frame in front of the subframe. The electric PTO mount has an extended portion that extends rearward from the PTO to below the bodywork, and this extended portion is housed in a recessed area formed by cutting out the lower portion from the front end of the subframe. An electric vehicle characterized by the following features.

2. A vehicle comprising a body with a bodywork mounted behind the driver's cab, an electric PTO housing an electric motor for the bodywork that drives the bodywork, a storage battery that supplies power to the electric motor, and a hydraulic pump that is driven by the electric motor for the bodywork to hydraulically drive the bodywork, The vehicle body comprises a chassis frame extending in the longitudinal direction of the vehicle, and the bodywork is supported on this chassis frame via a subframe. The electric PTO is fixed to an electric PTO mounting base, which is a stepped portion formed by cutting out the upper surface portion of the subframe at the front of the subframe. The electric PTO mount and the subframe are integrally formed. An electric vehicle characterized by the following features.

3. The electric PTO incorporates the hydraulic pump. The electric vehicle according to claim 1 or 2.

4. The subframe is a main girder that is provided integrally with the frame. The electric vehicle according to claim 1 or 2.

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