JP4407907B2 - Transporter - Google Patents

Description

The present invention relates to a transport vehicle for transporting luggage on the premises such as a wholesale market, a factory, or a warehouse.

The transport vehicle includes a device storage chamber at the front of the vehicle body, and a device that drives a front wheel or the like is stored inside the device storage chamber (see, for example, Patent Document 1). FIG. 6 is a side view showing a conventional transport vehicle. As shown in FIG. 6, the transport vehicle is provided with a vehicle body frame BF provided in the longitudinal direction of the vehicle body, and in the front portion of the vehicle body frame BF, an equipment storage chamber ES that stores a drive system DR of the front wheels FW, and the like. A driver's cab DS is provided, and a handle HA for a driver who rides on the driver's cab DS to steer the front wheels FW is provided above the equipment storage room ES. A bearing BE is provided on the body frame BF, and a swivel base CI that rotatably supports the prime mover DR and the front wheel FW is accommodated in the equipment storage chamber ES via the bearing BE. The prime mover DR is connected to the front wheel FW via a power transmission mechanism TR. Further, the handle HA is connected to the swivel base CI via a shaft SH extending downward, and the swivel base CI and the front wheel FW rotate as the handle HA is steered, thereby maneuvering the vehicle body. it can.
Japanese Patent Laid-Open No. 6-144239, FIG.

In the conventional transport vehicle, since the prime mover DR and the power transmission mechanism TR are configured by a plurality of sprockets and chains, a shaft SH can be provided at the center of the swivel base CI, thereby turning the handle HA. Is transmitted to the turntable CI and the front wheel FW. However, when the prime mover DR is an electric motor, it is necessary to install a motor at the center of the swivel base CI, and thus the shaft SH cannot be provided at the center of the swivel base CI. By the way, when the prime mover DR is an electric motor, a plurality of distribution lines connected to the motor are wired in the device storage room ES. Therefore, the members in the device storage room ES are arranged to protect these distribution lines. Need to be placed.

In addition, since the conventional transport vehicle has the headlight HL disposed in the hole provided in the outer cover of the equipment storage room ES, rain water, cleaning water, and the like are passed through the hole inside the equipment storage room ES. There is a problem that gets into. Further, the headlight HL, an accelerator for adjusting the speed of the vehicle body, a lever member for changing the traveling direction of the vehicle body, and the like are provided in the equipment storage room ES. These accelerators, lever members, etc. are frequently operated during operation and are fixed to the equipment storage room ES even though they are severely damaged and damaged. Requires a working space for storing Furthermore, since the equipment storage room ES is provided so as not to move with respect to the transport vehicle, there is a case where the operator needs a posture that is difficult to take, and there is a problem that the maintenance efficiency is inferior.

Therefore, the present invention has been made in view of these problems, and can appropriately protect the distribution lines in the equipment storage room, and can be transported with extremely easy maintenance such as members frequently operated by the driver. The purpose is to provide a car.

In the transport vehicle according to the present invention, a front wheel is provided below the equipment storage chamber provided at the front of the vehicle body, a rear wheel is provided below the loading platform placed at the rear of the vehicle body, A prime mover that drives the driving of the front wheels is housed, and a steering handle is provided above it, enabling the vehicle to turn a driving force transmission device that supports the front wheels and transmits the driving force from the prime movers to the front wheels. In addition, the driving force transmission device includes a swivel for installing a prime mover, and a steering handle is coupled to the swivel .
The equipment storage room is equipped with a top cover member that covers the equipment storage room from above and a side cover member that covers from the side, and the top cover member can be turned integrally with the steering handle, the swivel base, the drive transmission device, and the front wheels. The side cover member is provided so as not to be able to turn on the vehicle body and to be detachable .
The steering handle is a column that is connected to the swivel base, a panel member that is provided above the column and that is disposed above the prime mover, and a base end portion that is connected to the panel member and has a distal end portion facing upward. A spoke member, and an annular wheel member connected to the tip of the spoke member. A prime mover is installed in the approximate center of the swivel, and a strut is disposed around the prime mover, and an equipment storage chamber. The distribution line to the equipment housed in the machine is laid, and furthermore, a regulating member that regulates the turning of the swivel base with respect to the vehicle body within a predetermined range is provided, and the regulating member swivels within the range where the support column does not contact the distribution line. Regulate the turn of the table.

By turning the steering handle, it is possible to turn the top cover member, the steering handle, the turntable, the drive transmission device, and the front wheel. At this time, the side cover member cannot turn with respect to the vehicle body. It is not necessary to turn the side cover member, and the transport vehicle can be steered with a light force. Therefore, the burden on the driver can be reduced. Furthermore, by providing the side cover member in a detachable manner, equipment such as a prime mover installed in the equipment storage chamber can be easily and quickly maintained.

In the case where the motor is an electric motor or the like, when a support column that connects the steering handle and the swivel base cannot be provided at the center of the swivel base, it is necessary to arrange the connection support column around the motor. At that time, the struts move as the steering wheel turns, so by arranging multiple distribution lines in the equipment storage room in the area where the struts do not move, tangling of the distribution lines, leakage, etc. are prevented. Can be protected properly.

A top cover member is detachably provided on the steering handle, and a speed control device for adjusting the traveling speed, a forward / reverse switching device for switching the traveling direction between forward and reverse, and a headlight for illuminating the traveling path are provided on the top cover member. It is preferable that a lamp is provided.

The speed control device and the forward / reverse switching device are members that are frequently operated by the driver when traveling on a transport vehicle, and the headlamp needs to irradiate the vehicle body traveling direction quickly. With this configuration, the driver can smoothly operate these operation members, and the headlamp can be quickly irradiated in the vehicle body traveling direction. Furthermore, since these members are severely deteriorated due to damage or the like, the necessity for maintenance is great. Therefore, the maintenance efficiency can be remarkably improved by providing the members so as to be removable.

More preferably, the top cover member is provided with a recess having a side surface and a bottom surface, the headlamp is disposed in the recess, and an insertion hole through which the distribution line is inserted into the side surface at a position higher than the bottom surface. Was provided.

In this way, the top cover member is provided with a recess for placing the headlamp, and the distribution line of the headlamp is arranged through the side surface of the recess so that rainwater, cleaning water, etc. can enter the equipment storage chamber. It is possible to sufficiently protect the equipment such as the prime mover.

More preferably, the vehicle body includes a driver's cab on which the driver gets on between the equipment storage chamber and the cargo bed, and at least in the state where the front wheel is directed straightly, the wheel member has its circumferential axis It is characterized by being provided with a predetermined angle with respect to the horizontal axis and inclined downward toward the cab.

Thus, by tilting the wheel member of the steering handle toward the cab side, the driver's posture during driving can be improved, and the drivability and safety of the transport vehicle can be improved.

As described above, the distribution lines in the equipment storage room can be properly protected, and maintenance of members and the like that are frequently operated by the driver can be performed very easily, and the drivability of the transport vehicle is also improved. be able to.

Hereinafter, a transport vehicle according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an overall view showing a transport vehicle according to the present invention, where FIG. 1A is a side view and FIG. 1B is a plan view. This transport vehicle includes a vehicle body frame 1 provided in a front-rear direction on a vehicle body 23, and a cylindrical device storage chamber 10 in which a motor such as a motor is stored above the frame 1. It has been. A bumper 15 is provided at the front end of the vehicle body so as to cover the lower front part of the device storage chamber 10. Reference numeral 14 denotes a top cover member provided in the upper part of the equipment storage chamber 10, and main components for operating the transport vehicle are collected in the top cover member 14. That is, an electrical component such as a forward / reverse change lever member and a headlamp, an annular steering handle 11 and an accelerator handle 12 are provided on the top of the top cover member 14. The accelerator handle 12 is formed with a small diameter with respect to the steering handle 11, and 11 and 12 are arranged concentrically.

A single front wheel 13 serving as a drive wheel and a steering wheel is disposed below the device storage chamber 10. The front wheel 13 is driven to rotate by a prime mover in the device storage chamber 10, and is transported by this rotation. The car is running. A steering handle 11 is connected to the front wheel 13 so that the traveling direction of the transport vehicle can be steered as the steering handle 11 turns. Further, the accelerator handle 12 is elastically urged upward, and the rotational speed of the front wheel 13 is adjusted in accordance with the pressing of the accelerator handle 12 so that the traveling speed of the transport vehicle can be accelerated and decelerated. Has been.

A driver's cab 16 is provided in the rear of the equipment storage chamber 10, and a driver who rides on the driver's cab 16 turns the steering handle 11 while standing to control the transport vehicle. Further, a brake pedal 19 and a parking brake 17 are provided on the upper surface of the cab 16. A pair of rear wheels 21, 21 ′ is provided at the rear part of the vehicle body, and the brake pedal 19 is provided at the lower part of the vehicle body frame 1 so that the brake pedal 19 can brake the rear wheels 21, 21 ′. The brake linkage 20 is configured to act on the pair of rear wheels 21 and 21 ′. A backrest 18 used for a driver's backrest and the like is erected on the vehicle body frame 1 behind the cab 16. Further, a loading platform 22 is constituted by a top plate 2 for carrying a load and a support frame 3 provided on the lower surface of the top plate 2 and supported from below, and this loading platform 22 is installed at the rear of the vehicle body. . The loading platform 22 is connected in a state where the support frame 3 is placed on the vehicle body frame 1.

FIG. 2 is a side view showing a front portion of the transport vehicle in which a part of the equipment storage chamber is broken. As shown in FIG. 2, a cab 16 is provided on the vehicle body frame 1, and an equipment storage chamber 10 is provided on the vehicle body front side of the cab 16. Inside the equipment storage chamber 10, equipment 31 such as a prime mover and a cooling fan that rotationally drives the front wheels 13 is stored. In this embodiment, the prime mover is composed of an electric motor. A cylindrical support member 30 that is housed so as to cover the upper portion of the front wheel 13 is erected on the body frame 1. A swivel base 32 is attached to a driving force transmission device 37 supported on the upper portion of the support member 30 so as to be swivelable. The driving force transmission device 37 is arranged such that the turning center axis faces the vertical direction.

The device 31 is fixed on the swivel base 32, and the front wheel 13 is disposed below the swivel base 32, and a prime mover (equipment) via a driving force transmission device 37 configured by a gear transmission mechanism or the like. 31 is connected. The swivel base 32 is connected to the steering handle 11 via the support column 40, and the swivel base 32 rotates as the steering handle 11 turns, whereby the device 31, the driving force transmission device 37, and the like. The front wheel 13 can be rotated. The support column 40 is erected and fixed to an attachment member 42, and the turntable 32 and the steering handle 11 are connected and fixed by attaching the attachment member 42 to the turntable 32.

The device storage chamber 10 is provided with a side cover member 60 on the outer periphery thereof. And since the support | pillar (not shown) is attached to the support member 62 extended in the horizontal direction provided in the lower part of the support member 30, and the side cover member 60 is detachably fixed to this support | pillar, It is provided so as not to move with respect to the vehicle body 23. A bracket member 61 extending in the horizontal direction for holding the distribution line 33 is provided on the side cover member 60. The distribution line 33 is for supplying electric power from a battery (not shown) provided at the rear of the vehicle body to a device 31 such as a prime mover, and extends along the inner surface of the side cover member 60 from the lower part of the device storage chamber 10. Are guided to the upper center of the device 31 along the lower surface of the bracket member 61 and are suspended and connected to the device 31.

The steering handle 11 is provided with an annular wheel member 112 that the driver grips and turns, and the front wheel 13 can be steered by turning of the wheel member 112. In the state where the front wheel 13 is directed in the straight forward direction (the state shown in FIG. 2), the circumferential axis CL1 of the wheel member 112 is inclined backward by a predetermined angle α with respect to the horizontal axis CL2, and the cab 16 Inclined to the side. This eliminates the need to tilt the driver's wrist during driving, improving the driver's posture and significantly improving the drivability and safety of the transport vehicle.

3A is a cross-sectional view taken along the line I-I shown in FIG. 2, and FIG. 3B is a partially enlarged side view showing the inside of the equipment storage chamber. Since the equipment 31 including the electric motor is heavy, it is disposed at the center of the swivel base 32 in order to prevent the steering performance of the steering handle 11 from being lowered due to the eccentric load. Three struts 40, 40 ′, 40 ″ are arranged so as to surround the swivel base 32. When the steering handle 11 is swung clockwise as shown in FIG. 3A, each strut 40, 40 ′. , 40 ″ move to the two-dot chain line positions 40a, 40a ′, 40a ″, and move to the two-dot chain line positions 40b, 40b ′, 40b ″ when turning counterclockwise.

As shown in FIG. 3B, the first protrusion 35 is provided on the upper surface of the support member 30, and the second protrusion 36 is provided on the lower surface of the swivel base 32. Each of the protrusions 35 and 36 is a restricting member that restricts the movement of the swivel base 32. When the protrusions 35 and 36 come into contact with each other by the rotation of the swivel base 32, the rotation of the swivel base 32 is regulated by a predetermined angle. By configuring in this way, it is possible to form a region in which the support columns 40, 40 ', 40' 'cannot turn, so that the bracket member that supports the distribution line 33 in this non-movable region By arranging 61, the support columns 40, 40 ′, 40 ″ are configured not to contact the distribution line 33.

FIG. 4 is a perspective view illustrating a state in which each component installed in the device storage chamber is disassembled. As shown in FIG. 4, the top cover member 14 includes a disk-shaped upper surface portion 145 and a side surface portion 146 that is inclined along the outer periphery of the upper surface portion 145. A speed control device that adjusts the traveling speed including the annular accelerator handle 12 and a forward / reverse switching device that switches the traveling direction of the vehicle body including the lever member 25 between forward and reverse are attached to the upper surface portion 145. Further, as will be described in detail later, a concave portion 14a is provided in the side surface portion 146, and a headlamp 50 that illuminates the traveling path is accommodated in the concave portion 14a. And the base member 51 is attached to the lower surface of the recessed part 14a in which the headlamp 50 was installed.

Further, the steering handle 11 is provided with a disk-like panel member 41 below the annular wheel member 112. The base end portions of the three spoke members 110, 110 ′, and 110 ″ standing upward are connected to the panel member 41, and the tip ends are connected to the wheel member 112. On the lower surface of the panel member 41, there are provided three columns 40, 40 ′, 40 ″ that extend in the vertical direction and connect the steering handle 11 and the swivel base 32, and each column 40, 40 ′, The base end portion of 40 ″ is connected to a semi-disc-shaped attachment member 42. Accordingly, the steering handle 11 is constituted by the wheel member 112, the panel member 41, the spoke members 110, 110 ', 110 ", and the support columns 40, 40', 40", which are integrally connected.

Then, by attaching the mounting member 42 to the swivel base 32, the steering handle 11 and the swivel base 32 can be connected. The side surface portion 146 of the top cover member 14 is provided with three slit portions 146 a that engage with the spoke members 110, 110 ′, 110 ″, and the top cover member 14 is dropped into the panel member 41. It can be installed detachably just by itself, and it has excellent assembly work and maintenance efficiency.

The panel member 41 is provided with a notch 41a, and the base member 51 is arranged in the notch 41a. The pedestal member 51 is a band-shaped member, and a central portion thereof is disposed in the notch portion 41a, and both sides thereof are formed to be placed and locked on the panel members 41 on both sides of the notch portion 41a. ing. By locking the center portion of the pedestal member 51 to the notch portion 41a, the lateral displacement of the headlamp 50 can be prevented. Since both sides of the pedestal member 51 are placed on the panel member 41 via the cushion members 52 and 52 ′, the vibration of the vehicle body can be mitigated by the cushion members 52 and 52 ′. It is possible to reduce backlash caused by vibration of the lighting 50.

Further, a connecting member 111 is provided at the lower part of each spoke member 110, and the steering handle 11 and the panel member 41 are firmly connected by fixing the lower surface of the panel member 41 to the upper surface of the connecting member 111. In addition, since the panel member 41 can be disposed higher than the mounting member 42, the space between the panel member 41 and the device 31 can be increased, and maintenance of the device 31 and the like can be easily performed.

FIG. 5 is a longitudinal sectional view showing the top cover member. The recess 14 a provided in the top cover member 14 has side surfaces 140, 140 ′ and a bottom surface 141, the headlamp 50 is disposed in the recess 14 a, and the rotating shaft 55 erected on the bottom surface 141. The headlamp 50 is rotatably provided through the. The rotating shaft 55 is connected and fixed to the bottom surface 141 of the recess 14a and the pedestal member 51 by bolts or the like, and a rubber member 57 that prevents intrusion of rainwater or the like is provided at the connecting portion between the rotating shaft 55 and the bottom surface 141. It has been. Further, an insertion hole 140a is provided in the side surface 140, the distribution line 56 is connected to the headlamp 50 through the insertion hole 140a, and a collar part 142 is provided in the upper part of the recess 14a. The insertion hole 140a is also provided with a rubber member 57 'that prevents rainwater and the like from entering. With this configuration, rainwater or the like hardly enters the top cover member 14, and rust and wear in the device storage chamber 10 can be reduced.

FIG. 1 is an overall view showing a transport vehicle according to the present invention, in which A is a side view and B is a plan view. FIG. 2 is a side view showing a front portion of the transport vehicle in which a part of the equipment storage chamber is broken. FIG. 3 is a view showing the inside of the equipment storage chamber, wherein A is a cross-sectional view taken along the line I-I shown in FIG. FIG. 4 is a perspective view illustrating a state in which components installed in the device storage chamber are disassembled. FIG. 5 is a longitudinal sectional view showing the top cover member. FIG. 6 is a side view showing a conventional transport vehicle.

Explanation of symbols

10 Equipment Storage Room 11 Steering Handle 12 Accelerator Handle (Speed Control Device)
13 Front wheel 14 Top cover member 16 Driver's cab 21 Rear wheel 22 Loading platform 23 Car body 25 Lever member (forward / reverse switching device)
31 Motor (equipment)
32 swivel base 33 power distribution line 35 first protrusion 36 of restricting member second protrusion 37 of restricting member driving force transmission device 40 strut 41 of steering handle steering wheel panel member 50 headlamp 56 power distribution line 60 of headlamp Side cover member 14a Concave portion 140 of the top cover member Side surface 141 of the concave portion Bottom surface 110 of the concave portion Steering wheel spoke member 112 Steering wheel member 140a Insertion hole CL1 on the side surface of the concave portion Circumferential axis CL2 of the wheel member 112 Horizontal axis

Claims (4)

A front wheel is provided below the equipment storage chamber provided at the front part of the vehicle body, a rear wheel is provided below the loading platform placed at the rear part of the vehicle body, and the front wheel is driven to travel in the equipment storage room. In the transport vehicle in which the prime mover is stored and the steering handle is provided above the prime mover,
The vehicle body is provided with a turntable for supporting the front wheel and turning the drive force transmission device for transmitting the drive force from the prime mover to the front wheel, and for installing the prime mover on the drive force transmission device, The steering handle is connected to the swivel base,
The device storage chamber includes a top cover member that covers the device storage chamber from above and a side cover member that covers from the side, and the top cover member includes the steering handle, the swivel base, the drive transmission device, and the Provided to be able to turn integrally with the front wheel, and to provide the side cover member to the vehicle body so as not to turn and to be removable .
The steering handle includes a support column connected to the swivel base, a panel member provided above the support column and disposed above the prime mover, and a base end portion connected to the panel member and having a distal end upward. A spoke member that is erected toward the end, and an annular wheel member that is connected to the tip of the spoke member,
The prime mover is installed at substantially the center of the swivel base, the support is arranged around the prime mover, and a distribution line to the equipment stored in the equipment storage room is laid.
Furthermore, a regulating member for regulating the turning of the swivel base with respect to the vehicle body within a predetermined range is provided, and the regulating member regulates the turning of the swivel base within a range in which the support column does not contact the distribution line. Carrying vehicle. The top cover member is detachably attached to the steering handle, and the top cover member illuminates the traveling path, a speed control device that adjusts the traveling speed, a forward / reverse switching device that switches the traveling direction between forward and backward, and a traveling path. The transport vehicle according to claim 1, further comprising a headlamp. The top cover member is provided with a concave portion having a side surface and a bottom surface, the headlamp is disposed in the concave portion, and a distribution line to the headlamp is inserted into the side surface at a position higher than the bottom surface. The transport vehicle according to claim 2 , wherein an insertion hole is provided. The vehicle body includes a driver's cab on which a driver rides between the equipment storage chamber and the cargo bed. At least in the state where the front wheel is directed in a straight traveling direction, the wheel member has a circumferential axis thereof. The transport vehicle according to any one of claims 1 to 3 , wherein the transport vehicle is provided so as to be tilted backward by a predetermined angle with respect to a horizontal axis and inclined downward toward the cab.

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