Industrial vehicle

Abstract

To provide an industrial vehicle which enables a foreman nearby to easily sense protrusion of an object from a vehicle body.SOLUTION: A reach forklift 1 is an industrial vehicle provided with a vehicle body 10 having a boarding floor 18. The vehicle body 10 includes a lamp 22 that emits notification light H, a sensor 23 that detects protrusion of an object R from the vehicle body 10, and a control unit 29 that executes a notification process for lighting the lamp 22 when the sensor 23 detects the protrusion of the object R from the vehicle body 10. The lamp 22 is disposed at a position where it is visible from around the vehicle body 10.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present disclosure relates to industrial vehicles. [Background technology]

[0002] An example of a conventional industrial vehicle is a forklift truck described in Patent Document 1. This conventional forklift truck includes a vehicle body, a boarding floor on which an operator boards, a brake pedal that the operator can press with his left foot, and a presence pedal that the operator can press with his right foot. The presence of the operator on the boarding floor is detected based on whether the presence pedal is pressed. The brake pedal and the presence pedal are spaced apart from each other in the left-right direction Y, which is perpendicular to the front-rear direction X. The presence pedal has a left edge that extends obliquely relative to the front-rear direction X when viewed from above. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2016-047759 Summary of the Invention [Problem to be solved by the invention]

[0004] When an object, such as an operator's foot, protrudes outside the body of an industrial vehicle, it is desirable to notify not only the operator but also nearby supervisors. However, in a relatively noisy place, such as a factory, there is a problem that the audible notification is difficult for nearby supervisors to detect. There is a need for technology that allows nearby supervisors to easily detect that an object has protruded outside the body of the vehicle so that they can provide on-the-spot guidance to the operator.

[0005] The present disclosure has been made to solve the above-mentioned problems, and aims to provide an industrial vehicle that allows a supervisor in the vicinity to easily detect an object protruding from the vehicle body. [Means for solving the problem]

[0006] The gist of the present disclosure is as follows. [1] An industrial vehicle having a body with a boarding floor, the body having a lamp that emits light for warning, a sensor that detects an object protruding from the body, and a control unit that executes a warning process to turn on the lamp when the sensor detects that the object has protruded from the body, the industrial vehicle having the lamp positioned in a position that is visible from around the body.

[0007] In this industrial vehicle, when a sensor detects an object protruding from the vehicle body, a lamp lights up to notify the operator that an object has protruded from the vehicle body. The lamp is installed on the vehicle body in a position that is visible from around the vehicle. This allows a supervisor around the vehicle to easily notice the lamp being lit. Also, guidance can be given to the vehicle operator on the spot.

[0008] [2] The industrial vehicle according to [1], wherein the lamp and the sensor are disposed on the same exterior wall surface of the vehicle body. In this case, the proximity of the sensor and the lamp can prevent confusion with other lamps, making it easier for supervisors around the vehicle to recognize that an object has been detected protruding from the vehicle body.

[0009] [3] The industrial vehicle according to [1] or [2], wherein the vehicle body has an opening that serves as an entrance and exit to the boarding floor, and the lamp and the sensor are disposed adjacent to a lower portion of the opening. In this case, by locating the sensor and the lamp closer to each other, confusion with other lamps can be suppressed, and it is possible for a supervisor around the vehicle to more reliably recognize that an object has been detected protruding from the vehicle body.

[0010] [4] The industrial vehicle according to [3], wherein the lamp and the sensor are arranged on the same side of the opening. In this case, by placing the sensor and the lamp closer to each other, confusion with other lamps can be suppressed, and supervisors around the vehicle can more reliably recognize that an object protruding from the vehicle body has been detected.

[0011] [5] The industrial vehicle according to any one of [1] to [4], wherein a plurality of the sensors are arranged in the height direction of the vehicle body, and the control unit turns on the lamp when at least one of the plurality of sensors detects that the object is protruding from the vehicle body. In this case, it is possible to detect an object protruding from the vehicle body over a wider area.

[0012] [6] The industrial vehicle according to any one of [1] to [5], further comprising a metal box-shaped bracket that houses at least the lamp, and a slit that exposes the lamp is provided in the main surface of the bracket in the width direction of the vehicle body. In this case, the bracket can protect the lamp from collisions and impacts. Even if a bracket is provided, providing a slit in the bracket can avoid obstructing the notification by the lamp.

[0013] [7] The industrial vehicle according to [6], wherein the slit extends to a side surface of the bracket adjacent to the main surface. In this case, light from the lamp is emitted from the bracket over a wider range, so that the range of visibility of the lamp to supervisors around the vehicle can be expanded even when the bracket is provided.

[0014] [8] The industrial vehicle according to [6] or [7], wherein the vertical center of the lamp is located lower than the vertical center of the slit. In this case, the light from the lamp is emitted more upward from the bracket, thereby expanding the range of visibility of the lamp to supervisors standing around the vehicle.

[0015] [9] The industrial vehicle according to any one of [1] to [8], wherein the control unit determines whether or not the notification process needs to be executed based on information about the driving state of the vehicle. In this case, execution of unnecessary notification processes can be avoided. [Effects of the Invention]

[0016] According to the present disclosure, a supervisor in the vicinity can easily detect an object protruding from the vehicle body. [Brief explanation of the drawings]

[0017] [Figure 1] 1 is a perspective view showing a reach forklift that is one embodiment of an industrial vehicle according to the present disclosure. FIG. [Figure 2] FIG. 2 is an enlarged perspective view of a main part showing the positional relationship of the alarm device with respect to the reach forklift. [Figure 3] FIG. 2 is a perspective view of the alarm device, showing the inside of the bracket in a visualized manner. [Figure 4] 3 is a cross-sectional view of the alarm device taken along a plane including the height direction and the front-rear direction. [Figure 5] FIG. 2 is a plan view showing the visible area of ​​the lamp. [Figure 6] FIG. 1 is a side view showing the visible area of ​​the lamp. [Figure 7] 2 is a block diagram showing a functional configuration of the notification device including a control unit. FIG. [Figure 8] FIG. 10 is a diagram showing a reference table that associates a driving state with whether or not a notification process is required. [Figure 9] 10 is a flowchart illustrating an example of the operation of a control unit. DETAILED DESCRIPTION OF THE INVENTION

[0018] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of an industrial vehicle according to one aspect of the present disclosure will now be described in detail with reference to the drawings.

[0019] Fig. 1 is a perspective view showing a reach forklift, which is one embodiment of an industrial vehicle according to the present disclosure. As shown in Fig. 1, the reach forklift 1 includes a vehicle body 10 and a traveling device 5. The reach forklift 1 is a stand-on forklift used for transporting cargo at manufacturing sites, logistics sites, etc.

[0020] In the following description, the height direction of the vehicle body 10 is defined as D1, the front-rear direction relative to the vehicle body 10 as D2, and the width direction relative to the vehicle body 10 as D3. The height direction D1, the front-rear direction D2, and the width direction D3 are perpendicular to one another. When the reach forklift 1 is positioned on a horizontal plane, the height direction D1 is the direction along the vertical direction, and the front-rear direction D2 and the width direction D3 are directions along the horizontal direction.

[0021] The traveling device 5 includes road tires as front wheels, drive tires and caster tires as rear wheels, a traveling motor, a steering device, a steering motor, etc. A cargo handling device (not shown) is attached to the front of the reach forklift 1. The cargo handling device includes a mast, lift brackets, forks, a cargo handling motor, etc.

[0022] The reach forklift 1 includes a vehicle body 10. The vehicle body 10 is the vehicle body portion of the reach forklift 1. The vehicle body 10 has a front portion 11, a pair of left and right side portions 12, 13, and a rear portion 14, and is generally shaped like a rectangular parallelepiped. The vehicle body 10 is provided with a head guard 16 supported by a pair of pillars 15a, 15b, etc.

[0023] The vehicle body 10 includes a boarding floor 18 and an operating console 17. The space defined by the boarding floor 18 is a space where the operator of the reach forklift 1 boards and drives the vehicle. The vehicle body 10 has an opening 19 that serves as an entrance and exit to the boarding floor 18. Specifically, the opening 19 that serves as an entrance and exit to the boarding floor 18 is provided in the rear portion 14 of the vehicle body 10. In the example of FIG. 1 , the opening 19 is provided in the rear portion 14 to the right of the center in the width direction D3, along the height direction D1 from the same height as the boarding floor 18 to the upper end of the rear portion 14.

[0024] In the vehicle body 10, the control console 17 is arranged across the front and side (here, on the left side) as viewed from the boarding floor 18. The control console 17, which is in front as viewed from the boarding floor 18, is provided with an accelerator lever 17a used to operate the travel (forward and backward) of the reach forklift 1. In addition to the accelerator lever 17a, the control console 17 is also provided with a reach lever, tilt lever, lift lever, display, etc., which are used to operate the forks. The control console 17, which is on the left side as viewed from the boarding floor 18, is provided with a steering wheel 17b which controls the traveling direction of the reach forklift 1.

[0025] A brake pedal 18a is provided at a corner of the boarding floor 18 (in FIG. 1, the corner formed by the front and left operation consoles 17). The reach forklift 1 uses a deadman's type brake that is released by stepping on the brake pedal 18a. The boarding floor 18 is also provided with a floor switch 18b. The floor switch 18b is a type of safety device for the reach forklift 1 and is configured, for example, by a pressure-sensitive switch. The floor switch 18b is turned ON by the weight of the operator on the boarding floor 18 and is turned OFF when the operator leaves the boarding floor 18.

[0026] The reach forklift 1 described above travels and performs cargo handling operations by an operator who enters the boarding floor 18 through an opening 19 in the rear portion 14 of the vehicle body 10 and operates the accelerator lever 17a, brake pedal 18a, etc., of the control console 17. When the reach forklift 1 travels, the opening 19 may not have a door or the like, and it is possible that an object R (see FIG. 2), such as the operator's feet, may protrude outside the vehicle body 10. For example, if the operator's feet protrude from the opening 19, it is preferable that a nearby supervisor sense this and provide on-the-spot guidance on the operator's posture, etc. Therefore, the reach forklift 1 according to this embodiment is equipped with an alarm device 20 that alerts nearby supervisors when an object R, such as the operator's feet, protrudes outside the vehicle body 10. The configuration of the alarm device 20 will be described in detail below.

[0027] Fig. 2 is an enlarged perspective view of the essential parts showing the positional relationship of the alarm device with respect to the reach forklift. Fig. 3 is a perspective view of the alarm device showing the inside of the bracket visualized. Fig. 4 is a cross-sectional view of the alarm device in a plane including the height direction and the front-rear direction. As shown in Figs. 2 to 4, the alarm device 20 is configured to include a bracket 21, a bracket 28, a lamp 22, a sensor 23, and a control unit 29 (see Fig. 7).

[0028] The bracket 21 is a member that houses at least the lamp 22 therein. In this embodiment, the bracket 21 houses the lamp 22 and a sensor 23 that includes a light-projecting unit 24, which will be described later. The bracket 21 is in the shape of a metal box and has a main surface 21a and a pair of side surfaces 21b, 21c adjacent to the main surface 21a. To ensure strength, the metal that constitutes the bracket 21 is, for example, iron or stainless steel. In this embodiment, the bracket 21 has a substantially rectangular parallelepiped shape in which the length in the height direction D1 is longer than the lengths in the front-rear direction D2 and the width direction D3.

[0029] The bracket 21 is disposed on the rear portion 14 (the same outer wall surface) of the vehicle body 10. Specifically, the bracket 21 is disposed below the opening 19 on the rear portion 14 of the vehicle body 10. In the example of FIGS. 2 and 3, the bracket 21 is disposed adjacent to the left edge of the lower portion of the opening 19 on the rear portion 14 of the vehicle body 10, with the main surface 21a facing rearward of the vehicle body 10 and one of the side surfaces 21b, 21c along the edge of the opening 19.

[0030] A slit 26 that exposes the lamp 22 housed in the bracket 21 is provided near the center of the main surface 21a in the height direction D1 of the bracket 21. The slit 26 extends on the main surface 21a in the width direction D3 of the vehicle body 10. In this embodiment, the slit 26 is formed over the entire main surface 21a in the width direction D3 and extends to a pair of side surfaces 21b, 21c adjacent to the main surface 21a. Of the side surfaces 21b, 21c of the bracket 21, the side surface 21b on the opening 19 side is provided with a pair of upper and lower circular window portions 27, 27 that allow the inspection light L from the light-projecting portion 24 of the sensor 23 to pass through. The window portions 27, 27 are arranged side by side in the height direction D1 on either side of the slit 26.

[0031] The sensor 23 is a device that detects whether an object R, such as a foot, protrudes from the vehicle body 10. For example, a photoelectric sensor is used as the sensor 23. The sensor 23 has the above-mentioned light-projecting unit 24 that projects inspection light L and a light-receiving unit 25 that receives the inspection light L. In this embodiment, a pair of upper and lower sensors 23A and 23B are arranged in the height direction D1 of the vehicle body 10. In the following description, unless it is necessary to distinguish between the sensors 23A and 23B, the sensors 23A and 23B will be collectively referred to as the sensors 23. In the example of FIGS. 2 to 4, the light-projecting unit 24A of the sensor 23A and the light-projecting unit 24B of the sensor 23B are arranged at a fixed interval in the height direction D1 within the bracket 21. Within the bracket 21, the light-projecting unit 24A of the upper sensor 23A is arranged at a higher position than the slit 26, and the light-projecting unit 24B of the lower sensor 23B is arranged at a lower position than the slit 26. Each of the inspection lights L from the light projecting units 24A and 24B passes through the window unit 27, crosses the opening 19 along the width direction D3, and travels toward the light receiving unit 25.

[0032] In this embodiment, when arranging light receiving portion 25A of sensor 23A and light receiving portion 25B of sensor 23B, another metal bracket 28 conforming to the shape of bracket 21 is arranged on rear portion 14 of vehicle body 10. Like bracket 21, bracket 28 has a main surface 28a and a pair of side surfaces 28b adjacent to main surface 28a.

[0033] Bracket 28 is disposed on the opposite side of bracket 21 across opening 19, with main surface 28a facing rearward of vehicle body 10 and one of a pair of side surfaces 28b disposed adjacent to the right edge of the lower part of opening 19 so as to be along the edge of opening 19. One of the pair of side surfaces 28b of bracket 28 faces side surface 21b of bracket 21, which has window portion 27. Side surface 27b is provided with a pair of upper and lower circular windows (not shown) that allow inspection light L from light-projecting unit 24A of sensor 23A and light-projecting unit 24B of sensor 23B to pass through. Light-receiving unit 25A of sensor 23A and light-receiving unit 25B of sensor 23B are disposed side by side in bracket 28 along height direction D1 so as to correspond to the positions of the pair of upper and lower windows of side surface 27b, respectively. The light receiving units 25A and 25B output signals indicating that the inspection light L has been received to the control unit 29 in response to receiving the inspection light L from the light projecting units 24A and 24B.

[0034] The lamp 22 is a device that emits light H for notification. For example, an LED or the like can be used as the lamp 22. Here, the lamp 22 has a light-transmitting case that is octagonal in a front view, and emits the light H for notification over a wide range from the front and side of the case. The lamp 22 is disposed in a position on the vehicle body 10 that is visible from the periphery of the vehicle body 10. In this embodiment, the bracket 21 described above is disposed on the rear surface 14, and the lamp 22 housed in the bracket 21, the light-emitting portion 24A of the sensor 23A, and the light-emitting portion 24B of the sensor 23B are disposed on the rear surface 14 (the same outer wall surface) of the vehicle body 10. Furthermore, the lamp 22, the light-emitting portion 24A of the sensor 23A, and the light-emitting portion 24B of the sensor 23B are all disposed on the same side of the opening 19. In this embodiment, by being housed in the above-mentioned bracket 21, the lamp 22, the light-emitting portion 24A of the sensor 23A, and the light-emitting portion 24B of the sensor 23B are arranged adjacent to the bottom of the opening 19 so as to be on the same side (left side) of the opening 19.

[0035] 3 and 4, inside the bracket 21, the lamp 22 is disposed at a height position corresponding to the slit 26. As described above, the slit 26 extends across the main surface 21a of the bracket 21 and the pair of side surfaces 21b, 21c adjacent to the main surface 21a. Therefore, as shown in FIG. 5, when viewed from the height direction D1, the visible area A of the notification light H is formed over a range of approximately 180° behind the vehicle body 10.

[0036] As shown in FIG. 4, the center C1 of the lamp 22 in the height direction D1 is located lower than the center C2 of the slit 26 in the height direction D1. The distance d1 between the centers C1 and C2 can be set without any particular restrictions as long as the lamp 22 is visible from the slit 26. As shown in FIG. 6, when viewed from the width direction D3, the visible area A of the notification light H is formed so as to expand vertically toward the rear of the vehicle body 10. The visible area A expands upward at a sufficient angle due to the height relationship between the slit 26 and the lamp 22 described above. As an example, the height of the visible area A at a position 1 m behind the vehicle body 10 is approximately 170 cm.

[0037] The control unit 29 is a device that executes a notification process to turn on the lamp 22 when the sensor 23 detects that the object R has protruded from the vehicle body 10. The control unit 29 is physically configured, for example, by an ECU (Electronic Control Unit) mounted on the reach forklift 1. The ECU is an electronic control unit that has a CPU, ROM, RAM, a CAN communication circuit, etc. In the ECU, various functions are realized, for example, by loading a program stored in the ROM into the RAM and executing the program loaded into the RAM by the CPU.

[0038] Fig. 7 is a block diagram showing the functional configuration of the notification device including a control unit. As shown in Fig. 7, the notification device 20 is connected to the vehicle-side travel control unit 6 of the reach forklift 1 so that they can communicate with each other. The travel control unit 6 is physically configured by, for example, an ECU mounted on the reach forklift 1, similar to the control unit 29. The ECU may serve as both the travel control unit 6 and the control unit 29.

[0039] The travel control unit 6 controls the travel of the reach forklift 1 using the traveling device 5 described above based on the operation of the accelerator lever 17a, brake pedal 18a, floor switch 18b, etc. The travel control unit 6 outputs travel status information to the control unit 29 of the alarm device 20, including the operation status of the accelerator lever 17a and brake pedal 18a, the traveling speed of the reach forklift 1 using the traveling device 5, and the ON / OFF status of the floor switch 18b.

[0040] The control unit 29 determines whether or not to execute a notification process based on the driving state information of the reach forklift 1 (host vehicle) received from the driving control unit 6. FIG. 8 is a diagram showing a reference table correlating the driving state with the necessity of a notification process. In the example of FIG. 8, the control unit 29 does not execute the notification process when the reach forklift 1 is stopped (item a: floor switch 18b is OFF, driving speed is 0). Furthermore, when the reach forklift 1 is in a driving preparation state (items b to e: floor switch 18b is ON, driving speed is 0), the control unit 29 does not execute the notification process when either the brake pedal 18a or the accelerator lever 17a is OFF, but executes the notification process when both the brake pedal 18a and the accelerator lever 17a are ON. The control unit 29 executes notification processing when the reach forklift 1 is traveling, coasting, or performing regenerative braking (items f to i: floor switch 18b is ON, traveling speed > 0), regardless of whether the brake pedal 18a and accelerator lever 17a are ON or OFF.

[0041] FIG. 9 is a flowchart showing an example of the operation of the control unit. As shown in FIG. 9, the control unit 29 first acquires driving state information (step S01). Next, the control unit 29 refers to a reference table (see FIG. 8) based on the acquired driving state information and determines whether or not a notification process needs to be executed (step S02). If it is determined in step S02 that the notification process does not need to be executed, the process ends. If it is determined that the notification process needs to be executed, the control unit 29 determines whether or not a signal indicating that the inspection light L has been received has been received from the sensor 23 (step S03). If it is determined in step S03 that a signal indicating that the inspection light L has been received has been received from the sensor 23, the control unit 29 determines that the object R does not protrude from the vehicle body 10 and ends the process. On the other hand, if it is determined in step S03 that a signal indicating that the inspection light L has been received has not been received from the sensor 23, the control unit 29 determines that the object R protrudes from the vehicle body 10 and turns on the lamp 22 (step S04).

[0042] In this embodiment, as described above, the pair of upper and lower sensors 23A, 23B is used to detect whether the object R has protruded from the vehicle body 10. In steps S03 and S04, the control unit 29 may turn on the lamp 22 when it determines that it has not received a signal from at least one of the sensors 23A, 23B, or may turn on the lamp 22 when it determines that it has not received a signal from both the sensors 23A, 23B.

[0043] As described above, the alarm device 20 provided on the reach forklift 1 includes the brackets 21, 28, the lamp 22, the sensor 23, and the control unit 29 that executes the alarm processing. With this configuration, when the sensor 23 detects that the object R has protruded from the vehicle body 10, the lamp 22 lights up to alert the operator that the object R has protruded from the vehicle body 10. The lamp 22 is installed on the vehicle body 10 in a position that is visible from around the vehicle body 10. This allows a supervisor around the reach forklift 1 to easily detect the illumination of the lamp 22. Furthermore, guidance can be given to the operator of the reach forklift 1 on the spot.

[0044] In this embodiment, the lamp 22 and the sensor 23 are disposed on the rear part 14 of the vehicle body 10. In this case, the proximity of the lamp 22 and the sensor 23 prevents confusion with other lamps, making it easier for a supervisor around the reach forklift 1 to recognize that an object R has been detected protruding from the vehicle body 10.

[0045] In this embodiment, the vehicle body 10 has an opening 19 that serves as an entrance and exit to the boarding floor 18, and the lamp 22 and the sensor 23 are arranged adjacent to the bottom of the opening 19. In this case, by placing the lamp 22 and the sensor 23 closer to each other, confusion with other lamps can be suppressed, and it becomes easier for a supervisor around the reach forklift 1 to more reliably recognize that an object R has been detected protruding from the vehicle body 10.

[0046] In this embodiment, the lamp 22 and the sensor 23 are arranged on the same side of the opening 19. In this case, the lamp 22 and the sensor 23 are arranged closer to each other, which reduces confusion with other lamps and makes it easier for a supervisor around the reach forklift 1 to more reliably recognize that an object R has been detected protruding from the vehicle body 10.

[0047] In this embodiment, a plurality of sensors 23 are arranged in the height direction D1 of the vehicle body 10, and the control unit 29 turns on the lamp 22 when at least one of the sensors 23A and 23B detects that the object R has protruded from the vehicle body 10. In this case, it is possible to detect the object R protruding from the vehicle body 10 over a wider range.

[0048] In this embodiment, the vehicle further includes a metal box-shaped bracket 21 that houses at least the lamp 22 therein, and a slit 26 that exposes the lamp 22 is provided in the main surface 21a of the bracket 21 in the width direction D3 of the vehicle body 10. In this case, the bracket 21 can protect the sensor 23 and the lamp 22 from collisions and impacts. Even when the bracket 21 is provided, providing the slit 26 in the bracket 21 can prevent the notification by the lamp 22 from being hindered.

[0049] In this embodiment, the slits 26 extend to the side surface 21b adjacent to the main surface 21a of the bracket 21. In this case, light from the lamps 22 is emitted from the bracket 21 over a wider range, so even when the bracket 21 is provided, the visible range of the lamps 22 for supervisors around the reach forklift 1 can be expanded.

[0050] In this embodiment, the center C1 of the lamp 22 in the height direction D1 of the vehicle body 10 is located lower than the center C2 of the slit 26 in the height direction D1 of the vehicle body 10. In this case, the light H from the lamp 22 is emitted more upward from the bracket 21, so the visible range of the lamp 22 can be expanded for a supervisor standing around the reach forklift 1.

[0051] In this embodiment, the control unit 29 determines whether or not it is necessary to execute the notification process based on the information on the traveling state of the reach forklift 1. In this case, it is possible to avoid executing unnecessary notification processes.

[0052] The present disclosure is not limited to the above-described embodiment. For example, in the above-described embodiment, the lamp 22 is disposed adjacent to the lower portion of the opening 19. However, the lamp 22 may be disposed in any position on the vehicle body 10 that is visible from the periphery of the vehicle body 10, and may be attached to either the head guard 16 or the pillars 15a, 15b. In the above-described embodiment, the sensors 23 are disposed in pairs, one above the other, but the sensors 23 may be disposed as a single sensor or as three or more sensors.

[0053] In the above embodiment, the lamp 22 and the sensor 23 are arranged adjacent to the lower part of the opening 19, but the height positions of the lamp 22 and the sensor 23 may be positions corresponding to the center of the opening 19 or positions corresponding to the upper part of the opening 19. In the above embodiment, the lamp 22, the light-emitting unit 24A of the sensor 23A, and the light-emitting unit 24B of the sensor 23B are arranged on the same side of the opening 19, but this arrangement may be reversed. That is, the lamp 22, the light-receiving unit 25A of the sensor 23A, and the light-receiving unit 25B of the sensor 23B may be arranged on the same side of the opening 19.

[0054] In the above embodiment, the slits 26 extend to the side surfaces 21b and 21c of the bracket 21 that are adjacent to the main surface 21a, but the configuration of the slits 26 is not limited to this. For example, the slits 26 may be provided only in the main surface 21a. In this case, the slits 26 may extend to the edges of the main surface 21a in the width direction D3, or may extend to a degree that does not reach the edges of the main surface 21a in the width direction D3. [Explanation of symbols]

[0055] 1...reach forklift (industrial vehicle), 10...vehicle body, 14...rear portion, 17...operation console, 18...boarding floor, 19...opening, 21, 28...bracket, 21a...main surface, 21b, 21c...side surface, 22...lamp, 23 (23A, 23B)...sensor, 26...slit, 29...control unit, D1...height direction, D3...width direction, C1...center of lamp in height direction, C2...center of slit in height direction.

Claims

1. An industrial vehicle having a body with a boarding floor, The vehicle body is a lamp that emits light for notification; a sensor that detects an object protruding from the vehicle body; a control unit that executes a notification process to turn on the lamp when the sensor detects that the object has protruded from the vehicle body, The lamp is disposed in a position visible from around the vehicle body.

2. 2. The industrial vehicle according to claim 1, wherein the lamp and the sensor are arranged on the same outer wall surface of the vehicle body.

3. The vehicle body has an opening serving as an entrance / exit to the boarding floor, The industrial vehicle according to claim 1 , wherein the lamp and the sensor are disposed adjacent to a lower portion of the opening.

4. 4. The industrial vehicle according to claim 3, wherein the lamp and the sensor are disposed on the same side of the opening.

5. The sensor is arranged in a plurality in a height direction of the vehicle body, The industrial vehicle according to claim 1 , wherein the control unit turns on the lamp when at least one of the plurality of sensors detects that the object is protruding from the vehicle body.

6. Further provided is a metal box-shaped bracket that accommodates at least the lamp therein, 2. The industrial vehicle according to claim 1, wherein a slit for exposing the lamp is provided in a main surface of the bracket in a width direction of the vehicle body.

7. The industrial vehicle according to claim 6, wherein the slit extends to a side surface of the bracket adjacent to the main surface.

8. 7. The industrial vehicle according to claim 6, wherein a center of the lamp in the height direction of the vehicle body is positioned lower than a center of the slit in the height direction of the vehicle body.

9. 9. The industrial vehicle according to claim 1, wherein the control unit determines whether or not the notification process needs to be performed based on information about a running state of the vehicle.

Images