WO2023171328A1 - Véhicule de montage d'échelle/flèche - Google Patents

Véhicule de montage d'échelle/flèche Download PDF

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Publication number
WO2023171328A1
WO2023171328A1 PCT/JP2023/005826 JP2023005826W WO2023171328A1 WO 2023171328 A1 WO2023171328 A1 WO 2023171328A1 JP 2023005826 W JP2023005826 W JP 2023005826W WO 2023171328 A1 WO2023171328 A1 WO 2023171328A1
Authority
WO
WIPO (PCT)
Prior art keywords
ladder
boom
receiving device
cabin
swash plate
Prior art date
Application number
PCT/JP2023/005826
Other languages
English (en)
Japanese (ja)
Inventor
由樹 高橋
巧司 惠土
Original Assignee
株式会社モリタホールディングス
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社モリタホールディングス filed Critical 株式会社モリタホールディングス
Priority to KR1020247006375A priority Critical patent/KR20240038060A/ko
Priority to CN202380013275.6A priority patent/CN117836037A/zh
Publication of WO2023171328A1 publication Critical patent/WO2023171328A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/044—Working platforms suspended from booms
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C27/00—Fire-fighting land vehicles
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C5/00—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles
    • E06C5/02—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members
    • E06C5/04—Ladders characterised by being mounted on undercarriages or vehicles Securing ladders on vehicles with rigid longitudinal members capable of being elevated or extended ; Fastening means during transport, e.g. mechanical, hydraulic

Definitions

  • the present invention relates to a ladder/boom-equipped vehicle equipped with a gyro turntable type tilt correction device and a ladder or boom capable of telescoping, raising/lowering, or turning operations.
  • Patent Document 1 discloses that when parking on an inclined surface, the support member is spherically shaped relative to the vehicle body so that the pivot axis of the support member relative to the vehicle body is along the vertical direction, and the swing axis of the ladder attached to the support member is along the horizontal direction.
  • a ladder truck is disclosed that detects the second search beam when detecting the second search beam, and rotates the ladder in a direction to detect the other search beam when detecting only one search beam.
  • Patent Document 1 is intended to facilitate the work of storing the ladder, and is not intended to reduce the overall height of the vehicle.
  • the present invention provides a vehicle equipped with a ladder/boom equipped with a gyro turntable type tilt correction device, which is capable of simultaneously suppressing the overall height of the vehicle while traveling and preventing interference between the ladder or boom and the cabin, etc. during tilt correction. With the goal.
  • the ladder/boom-equipped vehicle of the present invention has a cabin 10 located at the front of the vehicle, a vehicle body 20 located behind the cabin 10, and a prone state above the cabin 10 or the vehicle body 20 when stored.
  • a ladder 30 or boom, a gyro turntable 40 which has a lower swash plate 41 and an upper swash plate 42 and is used for correcting the inclination of the ladder 30 or boom on a slope; It is equipped with a support frame 50 that supports the end of the ladder 30 or the boom, and a receiving device 60 that supports between the rear end and the tip of the ladder 30 or the boom, and when the receiving device 60 extends upward, the ladder 30 or the boom in the prone state is It is characterized by being lifted up and widening the gap between it and the cabin 10 or the vehicle body 20.
  • the present invention according to claim 2 is the ladder/boom-equipped vehicle according to claim 1, which includes a control means, and the control means applies a force in a downward direction to the ladder 30 or the boom while the receiving device 60 is being extended. It is characterized by being controlled as follows.
  • the present invention according to claim 3 is the ladder/boom equipped vehicle according to claim 2, in which the control means rotates the lower swash plate 41 of the gyro turntable 40 together with the upper swash plate 42 while the receiving device 60 is being extended. This feature is characterized in that the lower swash plate 41 is adjusted to a predetermined rotational position.
  • the present invention according to claim 4 is the ladder/boom-equipped vehicle according to any one of claims 1 to 3, in which the receiving device 60 includes a receiving portion 61 on which the ladder 30 or the boom in a prone state is placed;
  • the receiver holder 62 includes a receiver holder 62 that holds the receiver 61 from below, and a receiver cylinder 63 used for expanding and contracting the receiver holder 62, and the receiver holder 62 has one leg 62a and the other leg 62a. It is characterized in that a receiving device cylinder 63 is housed in each of one leg 62a and the other leg 62a.
  • an oil tank 90 for storing oil is provided between one leg 62a and the other leg 62a. It is characterized by According to a sixth aspect of the present invention, in the ladder/boom equipped vehicle according to the fifth aspect, the receiving device 60 is provided close to the rear surface of the cabin 10.
  • the present invention in a vehicle equipped with a ladder/boom equipped with a gyro turntable type tilt correction device, it is possible to reduce the gap between the prone ladder or boom and the cabin, etc., thereby lowering the overall height of the vehicle while traveling, and At the time of correction, the gap is enlarged so that the slope correction can be completed without the ladder or boom interfering with the cabin or the like.
  • a diagram showing a ladder-equipped vehicle according to an embodiment of the present invention Diagram showing the receiving device Diagram showing the receiving and holding part and oil tank Diagram showing lifting of a ladder using a support device on the same level ground Diagram showing the state in which the slope of a ladder is corrected on the same slope
  • a vehicle equipped with a ladder/boom includes a cabin located at the front of the vehicle, a vehicle body located behind the cabin, and a ladder that lies prone above the cabin or vehicle body when stored. or a boom, a gyro turntable having a lower swash plate and an upper swash plate and used for correcting the inclination of a ladder or boom on a slope; a support frame attached to the gyro turntable and supporting the rear end of the ladder or boom; It is equipped with a receiving device that supports between the rear end and the tip of the boom, and when the receiving device extends upward, the prone ladder or boom is lifted and the gap between it and the cabin or the vehicle body is widened.
  • the overall height of the vehicle can be suppressed by not extending the receiving device while driving, it becomes easier to pass through roads, garages, etc. that have height restrictions. Furthermore, when performing tilt correction using a gyro turntable on a slope, by extending the receiving device and widening the gap, the tilt correction can be completed without interference between the ladder or boom and the cabin or the vehicle body.
  • a second embodiment of the present invention is a ladder/boom-equipped vehicle according to the first embodiment, which includes a control means, and the control means applies a downward force to the ladder or the boom while the receiving device is being extended. It is controlled so that it is added. According to this embodiment, it is possible to reliably prevent the ladder or the boom from floating away from the receiving portion while being lifted by the receiving device. Further, the receiving device can be raised by properly controlling the force in the downward direction by the control means and balancing it with the rising force of the receiving device.
  • a third embodiment of the present invention is a ladder/boom-equipped vehicle according to the second embodiment, in which the control means rotates the lower swash plate of the gyro turntable together with the upper swash plate during the extension of the receiving device. , to adjust the lower swash plate to a predetermined rotational position. According to this embodiment, the time required for tilt correction can be shortened.
  • a fourth embodiment of the present invention provides a ladder/boom-equipped vehicle according to any one of the first to third embodiments, in which a receiving device includes a receiving portion on which a prone ladder or boom is placed, and a receiving portion. a receiver holder that holds the receiver holder from below, and a receiver cylinder used to expand and contract the receiver holder, the receiver holder has one leg and the other leg, and the receiver cylinder holds the receiver holder from below. and the other leg.
  • the diameter of each cylinder and the diameter of the leg of the receiving device holding portion can be made smaller than when there is only one receiving device cylinder. Moreover, it becomes easier to smoothly raise the receiving part on which the ladder or boom is placed.
  • a fifth embodiment of the present invention is a ladder/boom-equipped vehicle according to the fourth embodiment, in which an oil tank for storing oil is provided between one leg and the other leg. It is something.
  • an oil tank for storing oil is provided between one leg and the other leg. It is something.
  • the oil tank which requires a relatively large installation space, between the legs, it is easier to secure installation space for other equipment than if the oil tank is installed elsewhere, and the layout can be improved. Increased freedom.
  • the receiving device and the oil tank can be integrated into a unit and handled as one unit, the work of installing the receiving device and the oil tank unit can be performed more efficiently than before.
  • a sixth embodiment of the present invention is the ladder/boom equipped vehicle according to the fifth embodiment, in which the receiving device is provided close to the rear surface of the cabin. According to this embodiment, by arranging the receiving device and the oil tank on the rear side of the cabin, that is, on the front side of the vehicle body, it becomes easier to arrange other equipment and the like on the rear side of the vehicle body.
  • FIG. 1 is a diagram showing a ladder-equipped vehicle according to this embodiment.
  • a ladder-equipped vehicle firefighting ladder vehicle
  • the ladder 30 to be stored, the gyro turntable 40 located at the rear of the vehicle body 20, the support frame 50 located on the gyro turntable 40 and supporting the rear end of the ladder 30, and a position close to the rear surface of the cabin 10.
  • the ladder 30 includes a receiving device 60 for receiving and supporting the ladder 30 from below, a basket 70 attached to the tip of the ladder 30, and an outrigger 80.
  • the ladder 30 is provided with a multi-stage ladder 31, a telescoping cylinder 32 used for expanding and contracting the ladder 31, a undulation cylinder 33 used for undulating the ladder 31, and a refraction cylinder 34 used for adjusting the refraction angle of the refraction step. It is being
  • FIG. 2 is a diagram showing the receiving device, with FIG. 2(a) showing the unextended state and FIG. 2(b) showing the extended state.
  • the center is a front view
  • the left end is a left side view
  • the right end is a right side view.
  • the receiving device 60 includes a receiving part 61 on which a mounting surface on which a part of the ladder 30 in a prone state is placed is provided with the vehicle width direction as the longitudinal direction, and a receiving holding part 62 that holds the receiving part 61 from below.
  • the receiving portion 61 has upwardly protruding convex portions 61a at both ends.
  • the receiving holding part 62 has a pair of leg parts 62a and a pair of arm parts 62b.
  • the leg portions 62a are arranged vertically, one leg portion 62a and the other leg portion 62a are lined up in the vehicle width direction, and the interval therebetween is smaller than the entire length of the receiving portion 61.
  • the arm portion 62b stands obliquely from the upper surface of one leg portion 62a and the other leg portion 62a toward the longitudinal center of the receiving portion 61, and connects the upper end of one arm portion 62b with the other arm.
  • the upper end of the portion 62b joins the receiving portion 61 at a connection point.
  • the receiving portion 61 rises as the receiving holding portion 62 expands.
  • the maximum raised position of the receiving portion 61 is determined in consideration of the overall height of the vehicle, the degree of interference between the ladder 30 and the cabin 10, etc.
  • a receiving device cylinder 63 is housed in each of the one leg portion 62a and the other leg portion 62a as a hydraulic cylinder used for expanding and contracting the receiving holding portion 62.
  • a receiving device cylinder 63 is housed in each of the one leg portion 62a and the other leg portion 62a as a hydraulic cylinder used for expanding and contracting the receiving holding portion 62.
  • the receiving device cylinder 63 it is possible to provide one hydraulic cylinder between the legs 62a as the receiving device cylinder 63, by providing two receiving device cylinders 63 and distributing them to the left and right as in this embodiment, the receiving device cylinder 63
  • the diameter of each receiving device cylinder 63 and the diameter of each leg portion 62a can be made relatively small compared to the case where only one receiving device cylinder 63 and each leg portion 62a are used. Moreover, it becomes easier to smoothly raise the receiving part 61 on which the ladder 30 is placed.
  • FIG. 3 is a diagram showing the receiving and holding part and the oil tank.
  • oil that is supplied to hydraulic equipment such as the telescopic cylinder 32, the undulating cylinder 33, the bending cylinder 34, and the receiving device cylinder 63 is stored.
  • a tank 90 is provided.
  • the oil tank 90 which requires a relatively large installation space, between the legs 62a, it is easier to secure installation space for other equipment, etc., and the degree of freedom in layout increases, compared to providing the oil tank 90 in another location.
  • the receiving device 60 and the oil tank 90 can be integrated into a unit and handled as one, the work of installing the receiving device 60 and the oil tank 90 can be performed more efficiently than before.
  • FIG. 4 is a diagram illustrating lifting of a ladder by a receiving device on level ground, with FIG. 4(a) showing a state in which the ladder is not raised, and FIG. 4(b) showing a state in which the ladder is raised.
  • the ladder 30 When the ladder 30 is in the stored state, the intermediate portion between the rear end and the tip rests on the receiving part 61, and when the receiving holding part 62 is not extended, it is approximately horizontal as shown in FIG. 4(a). .
  • the overall height of the vehicle is lower than the state in which the ladder 30 is raised forward by extending the support holding part 62. Therefore, when the ladder 30 is not in use, such as while driving, the ladder 30 is raised without extending the support holding part 62.
  • the overall height of the vehicle can be kept within a predetermined height, making it easier to pass through roads and garages with height restrictions.
  • the gyro turntable 40 attached to the vehicle body 20 includes a wedge-shaped lower swash plate 41, a wedge-shaped upper swash plate 42 located above the lower swash plate 41, and a disc located above the upper swash plate 42. It has a shaped upper disk 43 and is used for correcting the slope of the ladder 30 on a slope.
  • the upper surface of the lower swash plate 41 is a slope
  • the lower surface of the upper swash plate 42 is a slope, and the slopes are in contact with each other.
  • a support frame 50 is attached above the upper disk 43.
  • the lower swash plate 41 and the upper swash plate 42 are each rotatable, and the horizontality of the upper disc 43 is adjusted by the combination of the rotational position of the lower swashplate 41 and the rotational position of the upper swashplate 42.
  • the upper swash plate 42 is rotated to a predetermined rotation position. Note that the predetermined rotational positions given to each of the lower swash plate 41 and the upper swash plate 42 are determined based on the amount of inclination of the vehicle body 20 acquired by the sensor.
  • FIG. 5 is a diagram showing a state in which the slope of a ladder is corrected on a slope.
  • Figure 5(a) shows, as a present example, a state in which the ladder is lifted by elongating the receiver holding part to correct the inclination
  • Figure 5(b) shows a comparative example in which the inclination is corrected without lifting the ladder. This shows a situation where interference with the cabin has occurred.
  • the gyro turntable type tilt correction device is used when starting fire extinguishing work or rescue work when a ladder-equipped vehicle parked at a fire scene etc. is tilted back and forth or left and right due to the slope of the ground.
  • the upper disk 43 of the gyro turntable 40 to which the support frame 50 is attached operates so as to be horizontal.
  • the gyro turntable type tilt correction device performs tilt correction by rotating the upper swash plate 42 and the lower swash plate 41 and changing their relative rotational positions.
  • the lower surface of the ladder 30 needs to be separated from the upper surface of the cabin 10 or the like by a predetermined distance or more.
  • the receiving part 61 when driving, is set at the maximum lowered position without extending the receiving holding part 62 in order to reduce the overall height of the vehicle as much as possible, so that the lower surface of the ladder 30
  • the gap (clearance) between the upper surface of the cabin 10 and the upper surface of the cabin 10 is relatively small.
  • FIG. 5(b) shows the case on a slope that slopes upward in the front, the same problem occurs when performing slope correction on a slope that slopes downward in the front or on a slope that slopes to either the left or right.
  • the tip side of the ladder 30 is extended by extending the receiving holding part 62 and raising the receiving part 61 to the maximum raised position as shown in FIG. 4(b). Lift the ladder 30 sufficiently away from the top of the cabin 10, etc.
  • the slope correction can be completed without interference between the ladder 30 and the cabin 10, etc.
  • the ladder-equipped vehicle is equipped with control means (not shown).
  • the control means controls the undulating cylinder 33 to apply a force in the downward direction to the ladder 30 while the ladder 30 is being lifted by the extension of the receiving holding part 62. Thereby, it is possible to reliably prevent the ladder 30 from floating away from the receiving portion 61 while being lifted by the receiving device 60. Further, while the ladder 30 is being lifted up by the receiving device 60, the force in the downward direction is appropriately controlled by the control means, and balanced with the rising force of the receiving device 60, thereby making it possible to raise the receiving device 60. .
  • control means controls the undulation cylinder 33 even while the gyro turntable 40 is being rotated to correct the inclination and while the receiving holding part 62 is being lowered to lower the ladder 30 after the work is completed.
  • the ladder 30 is controlled so that a downward force is applied to the ladder 30.
  • the receiving device is fixed as in the past and the vehicle is driven with the bottom surface of the ladder 30 sufficiently separated from the top surface of the cabin 10, etc., it is possible to shift to slope correction when the vehicle is parked on a slope. .
  • the ladder-equipped vehicle of the present invention it is necessary to extend the receiving holding part 62 and lift the ladder 30 before correcting the inclination using the gyro turntable 40, so it takes longer to correct the inclination than in the past. It will increase. Therefore, the control section rotates the lower swash plate 41 to a predetermined rotational position in parallel with the extension of the receiving holding section 62.
  • the control unit rotates the upper swash plate 42 to a predetermined rotation position.
  • the time required for tilt correction can be shortened compared to the case where tilt correction by the gyro turntable 40 is started after the receiving portion 61 has finished rising.
  • the upper swash plate 42 also rotates tailgatingly, so the relative rotational position between the lower swash plate 41 and the upper swash plate 42 remains unchanged.
  • the angle of elevation of the upper disk 43 is constant. Therefore, even if the lower swash plate 41 is rotated while the receiving part 61 is rising, the ladder 30 will not interfere with the cabin 10.
  • the control part rotates the upper swash plate 42 to the rotation position before inclination correction, and then rotates the lower swash plate 41.
  • the lower swash plate 41 is rotated to the rotational position before the tilt correction, but in parallel with the rotation of the lower swash plate 41, the receiving and holding portion 62 is retracted.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Ladders (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

La présente invention comprend : une cabine (10) ; un corps de véhicule (20 ; une échelle (30) ou une flèche qui, lorsqu'elle est stockée, est dans un état allongé au-dessus de la cabine (10) ou du corps de véhicule (20) ; une plateau tournant gyroscopique (40) qui a un plateau oscillant inférieur (41) et un plateau oscillant supérieur (42), et est utilisé pour la correction d'inclinaison de l'échelle (30) ou de la flèche sur un sol incliné ; un cadre de support (50) qui est fixé au plateau tournant gyroscopique (40) et supporte une extrémité arrière de l'échelle (30) ou de la flèche ; et un dispositif de réception (60) qui reçoit et supporte l'espace entre l'extrémité arrière et l'extrémité de pointe de l'échelle (30) ou de la flèche, le dispositif de réception (60) s'étendant vers le haut pour soulever l'échelle (30) ou la flèche dans l'état allongé, et élargir l'espace entre l'échelle ou la flèche et la cabine (10) ou le corps de véhicule (20). Ce qui précède fournit un véhicule de montage d'échelle/flèche comprenant un dispositif de correction d'inclinaison de type plateau tournant gyroscopique qui supprime la hauteur globale du véhicule pendant le déplacement, et empêche une interférence entre l'échelle ou la flèche et la cabine, etc, pendant la correction d'inclinaison.
PCT/JP2023/005826 2022-03-08 2023-02-17 Véhicule de montage d'échelle/flèche WO2023171328A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020247006375A KR20240038060A (ko) 2022-03-08 2023-02-17 사다리/붐 탑재차
CN202380013275.6A CN117836037A (zh) 2022-03-08 2023-02-17 云梯／悬臂搭载车

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022035090A JP2023130665A (ja) 2022-03-08 2022-03-08 梯子／ブーム搭載車
JP2022-035090 2022-03-08

Publications (1)

Publication Number Publication Date
WO2023171328A1 true WO2023171328A1 (fr) 2023-09-14

Family

ID=87936894

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/005826 WO2023171328A1 (fr) 2022-03-08 2023-02-17 Véhicule de montage d'échelle/flèche

Country Status (4)

Country Link
JP (1) JP2023130665A (fr)
KR (1) KR20240038060A (fr)
CN (1) CN117836037A (fr)
WO (1) WO2023171328A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285599A (ja) * 1988-05-11 1989-11-16 Morita Pump Kk 高所作業車
US4962827A (en) * 1989-07-18 1990-10-16 Garnett Edward V Extendable, elevatable, rotatable, collapsible boom and basket for vehicles
JPH11151315A (ja) * 1997-11-25 1999-06-08 Morita:Kk 配管接手および消防自動車
JP2000350791A (ja) * 1999-06-11 2000-12-19 Morita Corp 梯子車
JP2012214291A (ja) * 2011-04-01 2012-11-08 Satohiro Takeuchi 高所作業用車両

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285599A (ja) * 1988-05-11 1989-11-16 Morita Pump Kk 高所作業車
US4962827A (en) * 1989-07-18 1990-10-16 Garnett Edward V Extendable, elevatable, rotatable, collapsible boom and basket for vehicles
JPH11151315A (ja) * 1997-11-25 1999-06-08 Morita:Kk 配管接手および消防自動車
JP2000350791A (ja) * 1999-06-11 2000-12-19 Morita Corp 梯子車
JP2012214291A (ja) * 2011-04-01 2012-11-08 Satohiro Takeuchi 高所作業用車両

Also Published As

Publication number Publication date
KR20240038060A (ko) 2024-03-22
JP2023130665A (ja) 2023-09-21
CN117836037A (zh) 2024-04-05

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