WO2015173971A1 - Camion pour chargements élevés multi-essieu - Google Patents

Camion pour chargements élevés multi-essieu Download PDF

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Publication number
WO2015173971A1
WO2015173971A1 PCT/JP2014/065734 JP2014065734W WO2015173971A1 WO 2015173971 A1 WO2015173971 A1 WO 2015173971A1 JP 2014065734 W JP2014065734 W JP 2014065734W WO 2015173971 A1 WO2015173971 A1 WO 2015173971A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
axle
center
axis
longitudinal direction
Prior art date
Application number
PCT/JP2014/065734
Other languages
English (en)
Japanese (ja)
Inventor
清英 岡崎
正人 根本
義久 菅野
Original Assignee
日野自動車株式会社
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 日野自動車株式会社 filed Critical 日野自動車株式会社
Publication of WO2015173971A1 publication Critical patent/WO2015173971A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D5/00—Gangways for coupled vehicles, e.g. of concertina type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D53/00—Tractor-trailer combinations; Road trains

Definitions

  • the present invention relates to a multi-axis high load truck.
  • the shortage of trucks has become a major problem. Therefore, it has been considered to increase the transport efficiency of a single truck by increasing the total length of the truck and increasing the maximum load capacity by increasing the number of trucks.
  • an object of the present invention is to provide a multi-axis high-loading truck that can increase the loading capacity and improve the turning performance.
  • a multi-axis high-loading truck extends in the vehicle vertical direction between a front vehicle, a rear vehicle positioned on the rear side of the front vehicle in the vehicle front-rear direction, and the front vehicle and the rear vehicle.
  • a swing connecting portion that swingably connects a front vehicle and a rear vehicle with an axis as a swing center, and the front vehicle includes one or more axles positioned on the front side in the vehicle front-rear direction.
  • a front axle portion, and a rear axle portion configured by one or more axles positioned on the rear side in the vehicle front-rear direction, and the rear vehicle is configured by two axles positioned in the center in the vehicle front-rear direction. The distance from the center in the vehicle longitudinal direction of the rear axle portion to the axis and the distance from the center in the vehicle longitudinal direction of the center axle portion to the axis are substantially the same.
  • a front vehicle and a rear vehicle divided in the vehicle front-rear direction are connected so as to be swingable by a swing connecting portion. For this reason, at the time of turning, the rear vehicle swings with respect to the front vehicle with the axis as the swing center so as to follow the front vehicle, and refracts with respect to the front vehicle with the axis as the starting point.
  • the minimum turning radius of the multi-axle high load truck is reduced, and the difference between the inner wheels of the central axle portion of the rear vehicle with respect to the rear axle portion of the front vehicle is reduced.
  • the distance from the center in the vehicle longitudinal direction of the rear axle portion to the axis and the distance from the center in the vehicle longitudinal direction of the central axle portion to the axis are substantially the same. For this reason, the inner wheel difference of the central axle portion of the rear vehicle relative to the rear axle portion of the front vehicle can be made zero or close to zero. Further, since the rear vehicle is a center axle type vehicle having a central shaft portion constituted by two axles in the center in the longitudinal direction of the vehicle, when a load is loaded on the rear vehicle, a load is applied to the swing connection portion. This can be suppressed. Thereby, the durability of the swing connecting portion is improved.
  • the rear axle portion may be composed of two axles, and at least one of the two axles may be a drive axle.
  • the load capacity can be increased and the turning performance can be improved.
  • FIG. 1 It is a schematic side view of the multi-axis high load truck of an embodiment. It is a schematic plan view of the multi-axis high load truck of the embodiment. It is a schematic plan view which shows the turning attitude
  • FIG. 1 is a schematic side view of a multi-axis high load truck according to an embodiment.
  • FIG. 2 is a schematic plan view of the multi-axis high load truck according to the embodiment.
  • the multi-axis high load truck 1 of the present embodiment is a multi-axis high load truck having four or more axles. More specifically, the multi-axis high-load truck 1 includes a front vehicle 2 positioned on the front side in the vehicle front-rear direction, a rear vehicle 3 positioned on the rear side in the vehicle front-rear direction of the front vehicle 2, and the front vehicle 2. And a swing connecting portion 4 which is disposed between the rear vehicle 3 and swingably connects the front vehicle 2 and the rear vehicle 3.
  • the front vehicle 2 is a driving vehicle for the multi-axis high load truck 1.
  • the front vehicle 2 includes a body frame 21 that extends in the vehicle front-rear direction.
  • the vehicle body frame 21 is mounted with an engine (not shown) serving as a drive source, a cab 22 constituting a driver's seat, and a loading platform 23 on which loads are loaded.
  • An opening (not shown) that communicates with the outside of the loading platform 23 is formed on the rear surface of the loading platform 23 (the surface on the swing connection portion 4 side).
  • the vehicle body frame 21 includes a front axle portion 24 configured by one or more axles positioned on the front side in the vehicle longitudinal direction, and a rear axle configured by one or more axles positioned on the rear side in the vehicle longitudinal direction.
  • Part 25 is attached. That is, the front vehicle 2 has a front axle portion 24 and a rear axle portion 25.
  • the wheels connected to the front axle portion 24 at least a pair of left and right wheels are steering wheels connected to a steering mechanism.
  • At least one shaft of the rear axle portion 25 is a drive shaft connected to a propeller shaft, a differential gear, and the like.
  • the front axle portion 24 may be configured with any number of axes as long as it is configured with one or more axles. In the present embodiment, the description will be made assuming that the front axle portion 24 is composed of two axes, a first front axle 24a located on the front side in the vehicle longitudinal direction and a second front axle 24b located on the rear side in the vehicle longitudinal direction. In the present embodiment, the pair of left and right wheels connected to the first front axle 24a will be described as steering wheels.
  • the rear axle portion 25 may be composed of any number of axes as long as it is composed of one or more axles.
  • the rear axle portion 25 is composed of two axes, a first rear axle 25a located on the front side in the vehicle longitudinal direction and a second rear axle 25b located on the rear side in the vehicle longitudinal direction.
  • the description will be made assuming that the two shafts of the first rear axle 25a and the second rear axle 25b are drive shafts.
  • the rear axle portion 25 is composed of two shafts, a first rear axle 25a and a second rear axle 25b, and at least one of the first rear axle 25a and the second rear axle 25b is driven as a drive shaft.
  • the rear vehicle 3 is a driven vehicle of the multi-axis high load truck 1.
  • the rear vehicle 3 includes a vehicle body frame 31 that extends in the vehicle front-rear direction.
  • the body frame 31 is equipped with a loading platform 32 on which loads are loaded.
  • An opening (not shown) that communicates with the outside of the loading platform 32 is formed on the front surface of the loading platform 32 (the surface on the swing connection portion 4 side).
  • the vehicle body frame 31 is provided with a central axle portion 33 located at the center in the vehicle longitudinal direction. That is, the rear vehicle 3 has the central axle portion 33.
  • the central axle portion 33 is composed of two axles, a first central axle 33a located on the front side in the vehicle longitudinal direction and a second central axle 33b located on the rear side in the vehicle longitudinal direction. For this reason, the rear vehicle 3 is a center axle type vehicle that can stand on its own even when separated from the front vehicle 2.
  • the swing connection portion 4 includes a connection mechanism 41, a passage portion 42, and a bellows portion 43.
  • connection mechanism 41 connects the front vehicle 2 and the rear vehicle 3 so as to be swingable, with an axis A extending in the vehicle vertical direction between the front vehicle 2 and the rear vehicle 3 as a swing center.
  • the connection mechanism 41 does not connect the front vehicle 2 and the rear vehicle 3 so as to be easily detachable like a trailer (towing vehicle), but detachably connects the front vehicle 2 and the rear vehicle 3. is doing.
  • the front vehicle 2 and the rear vehicle 3 can be separated by removing fasteners such as bolts.
  • the structure of the connection mechanism 41 is not particularly limited. Any connection structure may be used as long as the front vehicle 2 and the rear vehicle 3 can be swingably connected with the axis A as the swing center.
  • the passage portion 42 directly or indirectly connects the floor (not shown) of the loading platform 23 of the front vehicle 2 and the floor (not shown) of the loading platform 32 of the rear vehicle 3. For this reason, it is possible to go back and forth between the loading platform 23 and the loading platform 32 through the passage portion 42.
  • the bellows portion 43 communicates the opening on the rear surface of the loading platform 23 with the opening on the front surface of the loading platform 32 and covers the connection mechanism 41 and the passage portion 42.
  • the bellows portion 43 is configured by an expandable bellows-shaped hood.
  • the distance L1 from the vehicle longitudinal direction center C1 of the rear axle portion 25 to the axis A and the distance L2 from the vehicle longitudinal direction center C2 of the central axle portion 33 to the axis A are substantially the same.
  • the position of the axis line of the axle is the vehicle longitudinal direction center C1 of the rear axle portion 25.
  • the center position in the vehicle front-rear direction of the axis of the foremost axle and the axis of the rearmost axle among the plurality of axles of the rear axle portion 25 is This is the vehicle front-rear direction center C1 of the rear axle portion 25.
  • the center in the vehicle longitudinal direction of the axis of the front axle of the rear axle 25 and the axis of the rear axle of the rear axle 25 is the center.
  • the position is the vehicle longitudinal direction center C1 of the rear axle portion 25.
  • the central axle portion 33 is composed of two axes, the central position in the vehicle front-rear direction between the axis line of the front axle of the central axle portion 33 and the axis line of the rear axle of the central axle portion 33 is the central axle portion. 33 is the vehicle longitudinal direction center C2.
  • FIG. 3 is a schematic plan view showing a turning posture of the multi-axis high load truck according to the embodiment.
  • the symbol O indicates the turning center of the multi-axis high load truck 1.
  • the connecting mechanism 41 connects the front vehicle 2 and the rear vehicle 3 so as to be swingable, as shown in FIG. Then, it swings with respect to the front vehicle 2 with the axis A as the swing center so as to follow the front vehicle 2. Thereby, the rear vehicle 3 is refracted with respect to the front vehicle 2 with the axis A as a starting point.
  • the turning radius R1 of the multi-axis high-loading truck 1 is the distance from the turning center O of the multi-axis high-loading truck 1 to the travel locus of the first front axle 24a on the outer wheel side. Since the rear vehicle 3 is refracted with respect to the front vehicle 2, the turning radius R ⁇ b> 1 of the multi-axle high-load truck 1 is smaller than that when the rear vehicle 3 is not refracted with respect to the front vehicle 2.
  • an inner ring difference corresponding to the wheel base of the front vehicle 2 occurs between the front axle portion 24 and the rear axle portion 25.
  • the rear vehicle 3 is a center accelerator type vehicle having a central axle portion 33 composed of two axles, a first central axle 33a and a second central axle 33b, at the center in the vehicle longitudinal direction. For this reason, when a load is loaded on the rear vehicle 3, it is possible to suppress a load from being applied to the swing connection portion 4. Thereby, the durability of the swing connection part 4 is improved.
  • FIG. 3 is a schematic plan view illustrating a turning posture of the multi-axis high loading truck according to the first embodiment.
  • FIG. 4 is a schematic plan view showing the turning posture of the multi-axis high loading trucks of Comparative Examples 1 and 2.
  • the present invention is not limited to the following examples.
  • Example 1 The multi-axis high load truck 1 of Example 1 is the same type as the multi-axis high load truck 1 of the above embodiment.
  • the multi-axle high load truck 1 of the first embodiment has a total vehicle length of 21.35 m, a turning radius R1 of 12 m, and a swing angle ⁇ 1 of the rear vehicle 3 around the axis A of 55.
  • the distance (L1 + L2) from the vehicle longitudinal direction center C1 of the rear axle portion 25 to the vehicle longitudinal direction center C2 of the central axle portion 33 was 9326.4 mm, 6 °.
  • L1 / L2 was changed from 0.30 to 1.30 in increments of 0.10, and the inner wheel difference of the central axle portion 33 with respect to the rear axle portion 25 was calculated.
  • the calculation results are shown in FIG. (Comparative Examples 1 and 2) As shown in FIG.
  • the multi-axle high load truck 101 of Comparative Examples 1 and 2 includes a tractor 102 having a front axle portion 124 and a rear axle portion 125 located on the front side in the vehicle longitudinal direction, And a full trailer 103 having a central axle part 133 located on the rear side in the vehicle longitudinal direction.
  • the front vehicle 2 and the rear vehicle 3 are swingably connected with an axis B extending in the vehicle vertical direction as a swing center at a position in front of the rear end of the tractor 102.
  • the front axle portion 124 of the tractor 102 is composed of two axes, a first front axle 124a located on the front side in the vehicle longitudinal direction and a second front axle 124b located on the rear side in the vehicle longitudinal direction.
  • the pair of left and right wheels connected to the first front axle 124a is a steering wheel.
  • the rear axle portion 125 of the tractor 102 includes two shafts, a first rear axle 125a located on the front side in the vehicle front-rear direction and a second rear axle 125b located on the rear side in the vehicle front-rear direction.
  • the two axes of the first rear axle 125a and the second rear axle 125b serve as drive shafts.
  • the central axle portion 133 of the full trailer 103 includes two axles, a first central axle 133a located on the front side in the vehicle longitudinal direction and a second central axle 133b located on the rear side in the vehicle longitudinal direction.
  • the total vehicle length is 18.99 m
  • the turning radius R1 is 12 m
  • the swing angle ⁇ 2 of the rear vehicle 3 around the axis B is 51.2 °
  • the axis B from the vehicle longitudinal center C1 of the rear axle 125 The distance L1 from the vehicle longitudinal direction center C2 of the central axle portion 133 to the axis B is 5460 mm
  • the distance (L1 + L2) was 7730 mm
  • L1 / L2 was 0.42.
  • the total vehicle length is 20.99 m
  • the turning radius R1 is 12 m
  • the swing angle ⁇ 2 of the rear vehicle 3 around the axis B is 51.2 °
  • the axis B from the vehicle longitudinal center C1 of the rear axle 125 The distance L1 from the vehicle longitudinal direction center C2 of the central axle portion 133 to the axis B is 6460 mm
  • the vehicle longitudinal direction center C1 of the rear axle portion 125 to the vehicle longitudinal direction center C2 of the central axle portion 133 Distance (L1 + L2) was 8730 mm
  • L1 / L2 was 0.35.
  • Example 1 As shown in FIG. 5 and Table 1, in Example 1, the inner ring difference decreases as L1 / L2 approaches 1.0. In the range of 0.7 ⁇ L1 / L2 ⁇ 1.3, the comparative example Compared with 1 and 2, the inner ring difference was significantly smaller. From this result, it can be seen that 0.8 ⁇ L1 / L2 ⁇ 1.2 is preferable, and 0.9 ⁇ L1 / L2 ⁇ 1.1 is more preferable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

　La présente invention concerne un camion pourvu d'un véhicule avant, d'un véhicule arrière positionné sur le côté arrière longitudinal de véhicule du véhicule avant, et d'une partie de connexion oscillante pour relier le véhicule avant et le véhicule arrière de sorte que les véhicules sont libres d'osciller autour d'un centre d'oscillation qui est un axe s'étendant dans la direction verticale de véhicule entre le véhicule avant et le véhicule arrière. Le véhicule avant comporte : une partie d'essieu avant positionnée sur le côté avant longitudinal de véhicule, la partie d'essieu avant étant conçue à partir d'un ou de plusieurs essieux ; et une partie d'essieu arrière positionnée sur le côté arrière longitudinal de véhicule, la partie d'essieu arrière étant conçue à partir d'un ou de plusieurs essieux. Le véhicule arrière comporte une partie d'essieu centrale positionnée dans le centre longitudinal de véhicule, la partie d'essieu centrale étant conçue à partir de deux essieux. La distance du centre longitudinal de véhicule de la partie d'essieu arrière à l'axe, et la distance du centre longitudinal de véhicule de la partie d'essieu centrale à l'axe sont sensiblement égales.
PCT/JP2014/065734 2014-05-15 2014-06-13 Camion pour chargements élevés multi-essieu WO2015173971A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014101485A JP2015217744A (ja) 2014-05-15 2014-05-15 多軸高積載トラック
JP2014-101485 2014-05-15

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WO2015173971A1 true WO2015173971A1 (fr) 2015-11-19

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60143186A (ja) * 1983-12-30 1985-07-29 Hino Motors Ltd 連結車輛
JPS60146764A (ja) * 1983-12-30 1985-08-02 Hino Motors Ltd 連結車輛
JPS60150110U (ja) * 1984-03-16 1985-10-05 富士重工業株式会社 連節バスにおける床連節構造
JPS6441482A (en) * 1987-05-06 1989-02-13 Lohr Ind Universal shortening coupler for trailer
JPH0419206A (ja) * 1990-05-15 1992-01-23 Takakita Co Ltd トラクタにおける２輪作業車の牽引装置
JP2008168696A (ja) * 2007-01-10 2008-07-24 Japan Vehicle:Kk 車両用連結装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60143186A (ja) * 1983-12-30 1985-07-29 Hino Motors Ltd 連結車輛
JPS60146764A (ja) * 1983-12-30 1985-08-02 Hino Motors Ltd 連結車輛
JPS60150110U (ja) * 1984-03-16 1985-10-05 富士重工業株式会社 連節バスにおける床連節構造
JPS6441482A (en) * 1987-05-06 1989-02-13 Lohr Ind Universal shortening coupler for trailer
JPH0419206A (ja) * 1990-05-15 1992-01-23 Takakita Co Ltd トラクタにおける２輪作業車の牽引装置
JP2008168696A (ja) * 2007-01-10 2008-07-24 Japan Vehicle:Kk 車両用連結装置

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JP2015217744A (ja) 2015-12-07

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