JP2018177456A - Vehicle for high lift work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle for high lift work capable of achieving both improved versatility and prolonged life.SOLUTION: A vehicle for high lift work comprises: a travel vehicle; and a high lift work device installed on a sub-frame provided on a chassis frame of the travel vehicle. At least one of a plurality of apparatuses composing the travel vehicle or the vehicle for high lift work is disposed on an upper surface part of the sub-frame.SELECTED DRAWING: Figure 1

Description

  TECHNICAL FIELD The present invention relates to an aerial work vehicle. In particular, the present invention relates to an arrangement structure of a hydraulic oil tank and the like provided in an elevated work device mounted on an elevated work vehicle.

  A high-level work vehicle is configured by mounting a high-place work device including a lifting mechanism capable of lifting and lowering a bucket on which a worker gets on a traveling vehicle such as a truck. The elevating mechanism is often a mechanism operated by hydraulic pressure, and a lift vehicle often includes a hydraulic oil tank for storing hydraulic oil.

  The hydraulic oil tank is often provided below the sub-frame which is provided at the top of the chassis frame and extends to the rear side of the driving cabin, as in the case of a work platform disclosed in Patent Document 1, for example.

Japanese Patent Application Laid-Open No. 2000-255991

  However, when a new device is added to the traveling vehicle, in the case of the elevated work vehicle disclosed in Patent Document 1, there is a possibility that it may be difficult to mount the high-place work device on the traveling vehicle. Specifically, in a traveling vehicle, equipment such as a catalyst and a urea tank tends to be added in order to meet stricter exhaust gas regulations and the like. These devices to be added are often arranged below the subframes. For this reason, in the case of the work vehicle disclosed in Patent Document 1, depending on the type of the traveling vehicle, it becomes difficult to mount the work device on the traveling vehicle. Therefore, the aerial platform vehicle disclosed in Patent Document 1 has room for improvement in terms of improvement in versatility.

  Further, in the case of the work vehicle disclosed in Patent Document 1, since the hydraulic oil tank is disposed below the sub-frame close to the road surface, rainwater, snow melting agents, etc. which are rolled up from the road surface during traveling approach the hydraulic oil tank. Easy to do. For this reason, in the case of the work vehicle disclosed in Patent Document 1, the hydraulic oil tank is easily corroded to cause a problem. Therefore, the work vehicle disclosed in Patent Document 1 has room for improvement in terms of prolonging the product life.

  The present invention has been made in view of the above-mentioned circumstances, and an example of the problem is to solve the above-mentioned problems. That is, an example of the subject of the present invention is to provide a high-altitude work vehicle capable of achieving both improvement in versatility and prolongation of life with a simple configuration.

  An elevated work vehicle according to one aspect of the present invention includes a traveling vehicle, and an elevated work device mounted on a sub-frame provided on a chassis frame of the traveling vehicle, the elevated work device or At least one of the plurality of devices constituting the traveling vehicle is disposed on the upper surface portion of the sub frame.

  Preferably, in the hoisting vehicle, the plurality of devices constituting the hoisting work device include a hydraulic oil tank for storing hydraulic oil supplied to a hydraulic mechanism for performing a hoisting work; and the hydraulic oil A plurality of devices constituting the traveling vehicle, including: an emergency pump operating at the time of abnormality of a hydraulic pump supplying the hydraulic mechanism to the hydraulic mechanism; and a fuel tank for storing fuel supplied to an engine of the traveling vehicle; The hydraulic oil tank, comprising: a cementer for removing impurities contained in the fuel; a vehicle battery for supplying electric power to an electrical component of the traveling vehicle; and an electronic control unit for controlling driving of the traveling vehicle. At least one of the pump, the fuel tank, the cementer, the vehicle battery, and the electronic control unit is disposed on the top surface of the sub-frame.

  Preferably, in the hoisting vehicle, the plurality of devices constituting the hoisting work device include a hydraulic oil tank for storing hydraulic oil supplied to a hydraulic mechanism for performing a hoisting work; and the hydraulic oil And a motor unit for driving a hydraulic pump that supplies the hydraulic mechanism to the hydraulic mechanism, wherein the plurality of devices that constitute the traveling vehicle include a fuel tank that stores fuel supplied to an engine of the traveling vehicle; The hydraulic oil tank, the motor unit, the cementer for removing impurities contained therein, a vehicle battery for supplying power to the electrical components of the traveling vehicle, and an electronic control unit for controlling the driving of the traveling vehicle At least one of a fuel tank, the cementer, the vehicle battery, and the electronic control unit is disposed on the top surface of the sub-frame.

  Preferably, in the aerial work vehicle, at least one of the hydraulic oil tank, the emergency pump, the motor unit, the fuel tank, the segmenter, the vehicle battery, and the electronic control unit is a side of the traveling vehicle. Or it is arranged facing the back.

  Preferably, the aerial work vehicle includes a tool box disposed on the upper surface of the sub-frame and having an openable lid facing a side of the traveling vehicle. At least one of a hydraulic oil tank, an emergency pump, a motor unit, the fuel tank, the segmenter, the vehicle battery, and the electronic control unit is disposed inside the tool box.

  Preferably, in the aerial work vehicle, at least the hydraulic oil tank is disposed on the upper surface portion of the sub-frame.

  Preferably, in the aerial work vehicle, at least the fuel tank is disposed on the top surface of the sub-frame.

  The lift truck according to one aspect of the present invention can achieve both improvement in versatility and long life with a simple configuration.

Some embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings in which:
It is a side view of the height work vehicle concerning embodiment 1 of the present invention. It is the perspective view which expanded the 1st tool box shown by FIG. 1, and its vicinity. It is a side view of the height work vehicle which concerns on Embodiment 2 of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The embodiments described below illustrate some examples of the present invention and do not limit the contents of the present invention. In addition, all of the configurations and operations described in the embodiments are not necessarily essential as the configurations and operations of the present invention. In addition, the same reference numerals are given to the same components, and the overlapping description is omitted.

[1. Configuration of work vehicle at height]
FIG. 1 is a side view of a lift truck 1 according to a first embodiment of the present invention. FIG. 2 is an enlarged perspective view of the first tool box 18 shown in FIG. 1 and the vicinity thereof.

  In the present embodiment, as shown in FIG. 1, the forward direction of the work vehicle 1 is referred to as “forward”, and the reverse direction of the work vehicle 1 is referred to as “backward”. Further, in the present embodiment, when the work vehicle 1 is viewed from the rear to the front, the right side of the work vehicle 1 is simply referred to as the “right”, and the left side of the work vehicle 1 is It is simply referred to as the "left side". And the right side and the left side are generically called "side". Moreover, in the present embodiment, the vehicle height direction of the work vehicle 1 is referred to as “upper”, and the direction opposite to the upper direction is referred to as “lower”. The widthwise direction of the work vehicle 1 is substantially parallel to the lateral direction.

  The aerial work vehicle 1 is a work vehicle used for work at a place higher than the road surface. Preferably, the aerial work vehicle 1 may be an aerial work vehicle used for electric power construction.

  The high work vehicle 1 shown in FIG. 1 includes a traveling vehicle 2 traveling on a road surface, and a high work device 10 for performing high work.

  As shown in FIG. 1, the traveling vehicle 2 is provided on the chassis frame 3 extending in the front-rear direction to form the frame of the traveling vehicle 2 and provided on the chassis frame 3 to reinforce the chassis frame 3 and work at heights And a sub-frame 4 on which the device 10 is mounted. Furthermore, the traveling vehicle 2 is provided at the front of the chassis frame 3 so that the operator can drive the traveling vehicle 2, and the left and right sides of the front of the chassis frame 3 below the cab 5. A front wheel 6 a provided on the surface and a rear wheel 6 b provided on both left and right side surface portions of the rear of the chassis frame 3 are provided. Furthermore, the traveling vehicle 2 is a front outrigger 7 a provided on the left and right side surfaces of the chassis frame 3 and the front part of the sub frame 4 behind the front wheel 6 a, and left and right side surfaces of the rear part of the chassis frame 3 and the sub frame 4. And a rear outrigger 7b provided rearward of the rear wheel 6b. Furthermore, the traveling vehicle 2 supplies power to the fuel tank 8 for storing the fuel supplied to the engine of the traveling vehicle 2, a cementer for removing water and impurities contained in the fuel, and electrical components of the traveling vehicle 2. And an electronic control unit for controlling the driving of the traveling vehicle 2.

  As shown in FIG. 1, the high-level work device 10 is provided at the center in the vehicle width direction of the top surface 4a of the sub frame 4 and behind the rear wheel 6b and in front of the rear outrigger 7b. And a swivel base 11 rotatably provided. Furthermore, the height work device 10 is provided with a telescopic boom 12 provided to be able to ascend and descend with respect to the swivel base 11 and to extend and contract in the longitudinal direction, and a telescoping cylinder that is rotatably supported by the swivel base 11 and makes the telescopic boom 12 undulate And 13. Furthermore, the height work device 10 is provided at the tip end portion and the base end portion of the telescopic boom 12 and at the tip end portion of the leveling cylinder 14a and 14b which holds the bucket 15 in a horizontal state. And a bucket 15 for carrying a worker during work. Furthermore, the high-place work device 10 is provided with a tool box 17 provided on the upper surface 4 a of the sub-frame 4 and capable of storing tools, materials, and the like used during high-place work.

  The tool box 17 may be composed of a first tool box 18, a second tool box 19, and a third tool box 20, as shown in FIGS. 1 and 2. The first tool box 18 is formed to extend from the rear of the front outrigger 7a to the rear wheel 6b, and the openable lid 18a is arranged to face the side of the traveling vehicle 2. The second tool box 19 is formed to extend from the rear end of the first tool box 18 to the front of the rear outrigger 7b, and the openable lid 19a is disposed to face the side of the traveling vehicle 2 It is a tool box. The third tool box 20 is formed to extend from the front outrigger 7a to the front of the rear end of the first tool box 18, and is disposed on the upper surface of the first tool box 18 and is openable and closable. Is a tool box arranged to face the side of the traveling vehicle 2. In FIG. 2, the lid 18 a included in the first tool box 18 is not shown.

  Here, each mechanism which comprises the high-place work apparatus 10 operates with oil pressure. Specifically, the swing motor of the swing base 11 constituting the work apparatus 10 for high places, the extension cylinder of the extension boom 12, the raising and lowering cylinder 13, and the leveling cylinders 14a and 14b are connected via piping, and It operates by the pressure change of flowing hydraulic oil. In the present embodiment, those mechanisms provided in the high-place work device 10 to perform work at high places, which are operated by oil pressure, are referred to as “hydraulic mechanisms 30”.

  The hydraulic mechanism 30 includes a hydraulic fluid tank 31 for storing hydraulic fluid, a hydraulic pump for supplying hydraulic fluid to the hydraulic mechanism 30, an emergency pump for operating when the hydraulic pump is abnormal, and a hydraulic pump which does not use an engine as a power source. The motor unit 32 to be driven and the accessories 33 attached to these can be connected via piping. Among the components that may be connected to the hydraulic mechanism 30, either the emergency pump or the motor unit 32 may be provided in the high-place work device 10. That is, the high-place work device 10 includes a hydraulic circuit including at least the hydraulic mechanism 30, the hydraulic oil tank 31, the hydraulic pump, the emergency pump or motor unit 32, and the accessories 33. .

  In the high work vehicle 1 according to the first embodiment, at least one of the plurality of devices constituting the high work device 10 is disposed on the top surface 4 a of the sub frame 4. Specifically, among the components of the hydraulic circuit of the high-place work device 10, at least the hydraulic oil tank 31 is disposed on the top surface 4 a of the sub-frame 4. Preferably, either the emergency pump or motor unit 32 and the hydraulic oil tank 31 are disposed on the top surface 4 a of the sub-frame 4. More preferably, either the emergency pump or the motor unit 32, the hydraulic oil tank 31, and the accessories 33 are the left side or the right side of the top surface 4a of the sub frame 4 and the rear of the front outrigger 7a. And you may be arrange | positioned ahead of the rear wheel 6b.

  FIGS. 1 and 2 show an example in which the motor unit 32 of the emergency pump or motor unit 32 is disposed on the top surface 4 a of the sub-frame 4. When the emergency pump is disposed on the top surface 4 a of the sub-frame 4, the emergency pump may be disposed in the area where the motor unit 32 is located in FIGS. 1 and 2.

  Further, either the emergency pump or the motor unit 32, the hydraulic oil tank 31, and the accessories 33 are disposed to face the side or the rear of the traveling vehicle 2. Preferably, either the emergency pump or the motor unit 32, the hydraulic oil tank 31, and the accessories 33 face the side of the traveling vehicle 2 and move from the front to the rear as the emergency pump Alternatively, any of the motor units 32, the hydraulic oil tank 31, and the accessories 33 may be arranged in series in this order.

  Further, either the emergency pump or the motor unit 32, the hydraulic oil tank 31, and the accessories 33 are disposed inside the tool box 17. Preferably, either the emergency pump or motor unit 32, the hydraulic oil tank 31, and the accessories 33 may be disposed at the front inside the first tool box 18.

[2. Action effect]
As described above, in the work vehicle 1 according to the first embodiment, at least the hydraulic oil tank 31 of the plurality of devices constituting the work device 10 for high places is disposed on the upper surface portion 4 a of the sub frame 4. Preferably, in the work vehicle 1 according to the first embodiment, either the emergency pump or the motor unit 32, the hydraulic oil tank 31, and the accessories 33 are disposed on the upper surface 4a of the sub frame 4. Ru. Therefore, in the work vehicle 1 according to the first embodiment, a space can be created below the sub-frame 4 in which these components are conventionally disposed, and the degree of freedom of the mounting space of the traveling vehicle 2 can be obtained. It can be improved.

  In particular, in recent years, in the traveling vehicle 2 on which the high-place work device 10 is mounted, equipment such as a catalyst and a urea tank tends to be added in order to comply with stricter exhaust gas regulations and the like. Since these devices to be added are often disposed below the sub-frame 4, depending on the type of the traveling vehicle 2, it may be difficult to mount the high-level work device 10. In the lift truck 1 according to the first embodiment, a space is created below the sub-frame 4, and the freedom of the mounting space of the traveling vehicle 2 can be improved. Therefore, the height work vehicle 1 according to the first embodiment can be mounted on the height work device 10 without changing the design for each model of the traveling vehicle 2, so that the versatility can be improved. .

  In addition, in the work vehicle 1 according to the first embodiment, since these components are disposed on the upper surface 4 a of the sub-frame 4, rainwater, a snow melting agent, etc. which are rolled up from the road surface during traveling It can suppress entering. For this reason, since the height work vehicle 1 which concerns on Embodiment 1 can suppress that these components corrode and a malfunction arises even if it does not add a special member, the product life is prolonged. Can be

  Therefore, the height work vehicle 1 according to the first embodiment can achieve both compatibility improvement and long life with a simple configuration.

  Furthermore, in the work vehicle 1 according to the first embodiment, either the emergency pump or the motor unit 32, the hydraulic oil tank 31, and the accessories 33 face the side or the rear of the traveling vehicle 2. Will be placed. Preferably, either the emergency pump or the motor unit 32, the hydraulic oil tank 31, and the accessories 33 are the left side or the right side of the top surface 4a of the sub frame 4 and the side of the traveling vehicle 2 It is arranged to face the For this reason, in the case of the work vehicle 1 according to the first embodiment, the worker can easily maintain these components as compared with the case where the components are disposed at the central portion in the vehicle width direction. Therefore, in the case of the work vehicle 1 according to the first embodiment, since the product life can be further extended, it is possible to further achieve both improvement in versatility and extension of life with a simple configuration.

  In particular, when the work vehicle 1 is a work vehicle used for electric power construction, the central portion in the vehicle width direction of the top surface 4 a of the sub-frame 4 is often used as a loading platform. For this reason, when these components are disposed at the central portion in the vehicle width direction, there is a possibility that the type of traveling vehicle 2 on which the work apparatus 10 can be mounted may be limited. In the work vehicle 1 according to the first embodiment, since these components are not disposed at the center in the vehicle width direction, the vehicle can be mounted regardless of the type of the traveling vehicle 2. Therefore, since the height work vehicle 1 which concerns on Embodiment 1 can aim at the improvement of versatility further, coexistence with the improvement of versatility and the lifetime improvement can be further achieved by simple structure.

  Furthermore, in the work vehicle 1 according to the first embodiment, either the emergency pump or the motor unit 32, the hydraulic oil tank 31, and the accessories 33 are disposed inside the tool box 17. For this reason, in the case of the work vehicle 1 according to the first embodiment, the tool box 17 can prevent rainwater, a snow melting agent, and the like that are rolled up from the road surface during traveling into these components. Therefore, since the work vehicle 1 according to the first embodiment can further extend the product life, it is possible to further achieve both improvement in versatility and extension of life with a simple configuration.

  In addition, in the work vehicle 1 according to the first embodiment, either the emergency pump or the motor unit 32, the hydraulic oil tank 31, and the accessories 33 are disposed at the front of the inside of the first tool box 18. Be done. For this reason, in the case of the work vehicle 1 according to the first embodiment, the longitudinal direction of the work vehicle 1 is compared with the case where these components are disposed inside the second tool box 19 and the third tool box 20. And the center of gravity in the vertical direction can be easily kept in balance. Thereby, the height work vehicle 1 according to the first embodiment can improve the stability of the height work vehicle 1.

[3. Other embodiments]
FIG. 3 is a side view of a work vehicle according to a second embodiment of the present invention.

  The lift truck 1 according to the second embodiment differs from the lift truck 1 according to the first embodiment in that at least one of the plurality of devices constituting the traveling vehicle 2 is mounted on the upper surface portion 4 a of the sub-frame 4. Be placed. Specifically, in the lift truck 1 according to the second embodiment, at least the fuel tank 8 of the components related to the power source of the traveling vehicle 2 is disposed on the top surface 4 a of the sub frame 4.

  The volume of the fuel tank 8 is relatively large among the components related to the power source of the traveling vehicle 2. The occupancy rate of the fuel tank 8 with respect to the mounting space of the traveling vehicle 2 below the sub-frame 4 is large. For this reason, the fuel tank 8 is disposed on the upper surface portion 4 a of the sub-frame 4 to create a large space below the sub-frame 4 in which the fuel tank 8 is conventionally disposed. Freedom is improved. In addition, since the fuel tank 8 is disposed on the upper surface 4 a of the sub-frame 4, it is difficult for rainwater, snow melting agents, etc. rolled up from the road surface during traveling to enter the fuel tank 8. Is suppressed. Therefore, the height work vehicle 1 according to the second embodiment can achieve both compatibility improvement and long life with a simple configuration.

  Preferably, in the work vehicle 1 according to the second embodiment, the fuel tank 8 and the cementer are disposed on the top surface 4 a of the sub-frame 4. Since the cementer is an apparatus for removing the impurities of the fuel supplied from the fuel tank 8 to the engine, it is preferable that the cementer and the fuel tank 8 be disposed on the upper surface 4 a of the sub frame 4. More preferably, the fuel tank 8 and the cementer may be disposed on the left side or the right side of the top surface 4 a of the sub frame 4 and on the rear side of the front outrigger 7 a and on the front side of the rear wheel 6 b.

  Also, the fuel tank 8 and the cementer may be disposed to face the side or the rear of the traveling vehicle 2. Also, the fuel tank 8 and the cementer may be disposed inside the tool box 17. Preferably, the fuel tank 8 and the cementer may be disposed at the front of the inside of the first tool box 18.

  In the work vehicle 1 according to the third embodiment, at least one of the plurality of devices constituting the traveling vehicle 2 is mounted on the upper surface portion 4 a of the sub-frame 4, as in the case of the work vehicle 1 according to the second embodiment. Be placed. Specifically, in the work vehicle 1 according to the third embodiment, at least the vehicle battery 9 or the electronic control unit among the components related to the electric system of the traveling vehicle 2 is disposed on the upper surface portion 4 a of the sub frame 4 Ru.

  The volume of the vehicle battery 9 and the volume of the electronic control unit are relatively large among the components related to the electrical system of the traveling vehicle 2. The occupancy ratio of the vehicle battery 9 or the electronic control unit to the mounting space of the traveling vehicle 2 below the sub-frame 4 is large. Therefore, by disposing the vehicle battery 9 or the electronic control unit on the upper surface portion 4a of the sub frame 4, a large space is created below the sub frame 4 in which the vehicle battery 9 or the electronic control unit is conventionally disposed. The degree of freedom of the mounting space of the traveling vehicle 2 is improved. Further, by arranging the vehicle battery 9 or the electronic control unit on the upper surface portion 4a of the sub-frame 4, it is difficult for rainwater, snow melting agents, etc. rolled up from the road surface during traveling to enter the vehicle battery 9 or the electronic control unit. The occurrence of a failure due to the corrosion of the battery 9 or the electronic control unit is suppressed.

  In particular, since the vehicle battery 9 and the electronic control unit are required to have high waterproof performance, it is preferable that the vehicle battery 9 and the electronic control unit be disposed on the top surface 4 a of the sub-frame 4 from the viewpoint of protection from rain water and snow melting agents. Therefore, the height work vehicle 1 according to the third embodiment can achieve both compatibility improvement and long life with a simple configuration.

  More preferably, the vehicle battery 9 or the electronic control unit may be disposed on the left side or the right side of the top surface 4 a of the sub-frame 4 behind the front outrigger 7 a and in front of the rear wheel 6 b.

  In addition, the vehicle battery 9 or the electronic control unit may be disposed to face the side or the rear of the traveling vehicle 2. Also, the vehicle battery 9 or the electronic control unit may be disposed inside the tool box 17. Preferably, the vehicle battery 9 or the electronic control unit may be arranged at the front inside the first tool box 18.

  Thus, in the high work vehicle 1 according to the first to third embodiments, at least one of the plurality of devices constituting the high work device 10 or the traveling vehicle 2 is disposed on the upper surface portion 4 a of the sub frame 4 Ru. Specifically, in the work vehicle 1 according to Embodiments 1 to 3, at least one of the hydraulic oil tank 31, the emergency pump, the motor unit 32, the fuel tank 8, the cementer, the vehicle battery 9, and the electronic control unit It is disposed on the top surface 4 a of the sub-frame 4. Therefore, in the work vehicle 1 according to the first to third embodiments, since the improvement of the degree of freedom of the mounting space of the traveling vehicle 2 and the prolongation of the product life can be achieved with a simple configuration, the configuration can be simplified. It is possible to achieve both improvement in versatility and longer life.

  In addition, in the work vehicle 1, the devices constituting the work device 10 and the devices constituting the traveling vehicle 2 may be mixed and disposed on the upper surface 4 a of the sub frame 4. For example, the hydraulic oil tank 31 constituting the work apparatus 10 for high places and the fuel tank 8 constituting the traveling vehicle 2 may be disposed on the upper surface 4 a of the sub frame 4.

  Further, in the work vehicle 1, both the emergency pump and the motor unit 32 that may be connected to the hydraulic mechanism 30 may be provided in the work device 10. In this case, in the work vehicle 1, both the emergency pump and the motor unit 32 may be disposed on the upper surface 4a of the sub frame 4, or either the emergency pump or the motor unit 32 is the sub frame 4. You may arrange | position to the upper surface part 4a.

[4. Other]
In the above-described embodiment, the work platform vehicle 1 corresponds to an example of the "work platform vehicle" described in the claims. The high-place work device 10 corresponds to an example of the “high-place work device” described in the claims. The traveling vehicle 2 corresponds to an example of the “traveling vehicle” described in the claims. The chassis frame 3 corresponds to an example of the "chassis frame" described in the claims. The sub-frame 4 corresponds to an example of the “sub-frame” described in the claims. The hydraulic mechanism 30 corresponds to an example of the “hydraulic mechanism” described in the claims. The hydraulic oil tank 31 corresponds to an example of the "hydraulic oil tank" described in the claims. The emergency pump corresponds to an example of the "emergency pump" described in the claims. The motor unit 32 corresponds to an example of the “motor unit” described in the claims. The fuel tank 8 corresponds to an example of the "fuel tank" described in the claims. The vehicle battery 9 corresponds to an example of the "vehicle battery" described in the claims. The cementer corresponds to an example of the "segementer" described in the claims. The electronic control unit corresponds to an example of the "electronic control unit" described in the claims. The tool box 17 corresponds to an example of the “tool box” described in the claims.

  It will be apparent to those skilled in the art that the above-described embodiments can apply each other's techniques to each other including variations.

  The above description is intended to be illustrative only and not limiting. Thus, it will be apparent to one skilled in the art that changes can be made to the embodiments of the present invention without departing from the scope of the claims.

  The terms used throughout the specification and claims should be construed as "non-limiting" terms. For example, the terms "including" and "included" should be interpreted as "not limited to what has been described as being included." The term "having" should be interpreted as "not limited to what has been described as having."

DESCRIPTION OF SYMBOLS 1 aerial work vehicle 2 traveling vehicle 3 chassis frame 4 sub frame 4a upper surface part 5 cab 6a front wheel 6b rear wheel 7a front outrigger 7b rear outrigger 8 fuel tank 9 vehicle battery 10 high work equipment 11 turning platform 12 telescopic boom 13 relief cylinder 14a leveling cylinder 14b leveling cylinder 15 bucket 17 tool box 18 first tool box 18a lid 19 second tool box 19a lid 20 third tool box 20a lid 30 hydraulic mechanism 31 hydraulic oil tank 32 motor unit 33 accessories Cs Turning center

Claims (7)

A traveling vehicle,
A high-level work device mounted on a sub-frame provided on a chassis frame of the traveling vehicle;
Equipped with
At least one of the height work device or a plurality of devices constituting the traveling vehicle is disposed on the upper surface portion of the sub frame.
Work place at height. The plurality of devices constituting the high-place work device are:
A hydraulic oil tank for storing hydraulic oil supplied to a hydraulic mechanism for work at heights;
An emergency pump that operates in the event of an abnormality in a hydraulic pump that supplies the hydraulic fluid to the hydraulic mechanism;
Including
The plurality of devices constituting the traveling vehicle are:
A fuel tank for storing fuel supplied to an engine of the traveling vehicle;
A cementer for removing impurities contained in the fuel;
A vehicle battery for supplying power to electrical components of the traveling vehicle;
An electronic control unit for controlling driving of the traveling vehicle;
Including
At least one of the hydraulic oil tank, the emergency pump, the fuel tank, the segmenter, the vehicle battery, and the electronic control unit is disposed on the upper surface of the sub frame.
The work vehicle according to claim 1. The plurality of devices constituting the high-place work device are:
A hydraulic oil tank for storing hydraulic oil supplied to a hydraulic mechanism for work at heights;
A motor unit for driving a hydraulic pump that supplies the hydraulic fluid to the hydraulic mechanism;
Including
The plurality of devices constituting the traveling vehicle are:
A fuel tank for storing fuel supplied to an engine of the traveling vehicle;
A cementer for removing impurities contained in the fuel;
A vehicle battery for supplying power to electrical components of the traveling vehicle;
An electronic control unit for controlling driving of the traveling vehicle;
Including
At least one of the hydraulic oil tank, the motor unit, the fuel tank, the segmenter, the vehicle battery, and the electronic control unit is disposed on the upper surface portion of the sub frame.
The work vehicle according to claim 1. At least one of the hydraulic oil tank, the emergency pump, the motor unit, the fuel tank, the segmenter, the vehicle battery, and the electronic control unit is disposed to face the side or the rear of the traveling vehicle.
The aerial work vehicle according to claim 2 or 3. The high-place work device includes a tool box disposed on the upper surface of the sub-frame and disposed such that an openable lid faces a side of the traveling vehicle.
At least one of the hydraulic oil tank, the emergency pump, the motor unit, the fuel tank, the segmenter, the vehicle battery, and the electronic control unit is disposed inside the tool box.
The aerial work vehicle according to any one of claims 2 to 4. At least the hydraulic fluid tank is disposed on the upper surface of the sub frame,
The aerial work vehicle according to any one of claims 2 to 5. At least the fuel tank is disposed on the upper surface portion of the sub frame.
The aerial work vehicle according to any one of claims 2 to 5.